LuaAPI.wiki
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#summary API for writing Lua scripts in Hedgewars.
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#labels Featured
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= Core Lua API documentation =
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== Introduction ==
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Version 0.9.13 of Hedgewars introduced the ability to use Lua scripts to modify Hedgewars behaviour for different maps without having to recompile the whole game. The till then used triggers (only appeared in training maps) were removed.
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Lua is an easy to learn scripting language that’s implemented using open source libraries. If you’d like to learn more about Lua, have a look at [http://www.lua.org Lua's official homepage]. Even though its easy to learn syntax this wiki page won't explain all basics of using Lua, e.g. declaring variables or using control structures. There are tons of step-by-step tutorials and documentation available on the internet. Just throw “Lua” into your favourite search engine and give it a try.
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=== About this wiki page ===
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This page might become outdated. For a list of undocumented functions, see [http://hw.ercatec.net/docs/lua_wiki_check.php].
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<wiki:toc max_depth="4" />
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== Overview ==
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=== How Hedgewars handles Lua scripts ===
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As of Version 0.9.20, Hedgewars supports Lua scripts for two similar tasks: Define tutorial missions, campaign missions or provide special map behaviour for precreated maps. It is also used for multiplayer scripts to create new game styles.
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=== Tutorial missions ===
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Tutorial missions are located within text files inside `share/hedgewars/Data/Missions/Training`. The game will list all files with the lua extension inside this directory in the Training selection screen. You’ll find some premade example scripts within this directory that contain several comments on the script lines and what they do.
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See [Missions] for details.
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=== Special maps ===
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In addition to tutorial missions predrawn maps (maps not created using the random map creator) may contain a single lua script file named `map.lua`. If it’s there, it will be used once the map is played. This way it’s possible to play maps alone or over the internet using custom goals. Mission maps can be found in singleplayer mode under the “training” button and in multiplayer mode, it is selectable as a map type.
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See also [PresetMaps] for more information about such maps.
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=== How Lua scripts are used ===
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Several parts of script files are executed multiple times. In general, the whole script file is read while loading the map. Declarations as well as function calls outside functions are executed at once. Later on the game will call special predefined function names at special occassions such as the creation of new game objects (called “gears”).
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=== Important things to know ===
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It is possible to play missions in multiplayer. However this requires all participating players to have the exact same version of the map files, including the `map.lua` script file. If this isn’t the case the game will probably desync and “kick” at least the one player using a different version of the map files. To avoid problems when running prepackaged maps, you should never modify any maps provided with the Hedgewars default package. Instead, create a copy of the existing map and modify this one. Feel free to share your work on the forums.
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Another thing to note is the current status of our scripting implementation. Similar to the whole game, this is still work in progress and we can’t guarantee that scripts working in this version will run in future revisions of the game as we might extend, change or rename parts of the scripting engine.
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=== Global variables/constants ===
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Global variables are used by the game to interact with the scripts by passing and retrieving their values. While some of the variables are never read by the engine some allow you to modify the engine’s behaviour, e.g. the theme to be used for the current map.
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=== Functions called by the game: Event handlers ===
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After successfully loading the Lua script the game will call the following functions on different occasions. To be used, they have to use the exact same name as defined below.
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== Data types ==
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This section defines some commonly used non-primitive parameter types which are used in multiple functions. This section is a bit incomplete at the moment.
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=== Color ===
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Some functions take a `color` parameter.
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Colors are stored in RGB or RGBA format and are specified as a three- or four-byte number, respecively.
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In 3-byte (RGB) colors, each byte represents a color component. The value 0 means no intensity and 255 is largest intensity of the component.
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The first byte is for the red component, the second byte for the green component and the third byte for the blue component.
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Four-byte (RGBA) colors use the first 3 bytes for the color components (like for the 3-byte colors) and the fourth byte is used for opacity, where 255 means maximum opacity and 0 means fully transparent (also called the “alpha channel”).
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Specifying the color number becomes much easier if you write it in hexadecimal notation.
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Examples for RGB (3-byte) colors:
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<code language="lua">
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c = 0x000000 -- black (R, G, B are all 0)
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c = 0xFF0000 -- red
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c = 0x00FF00 -- green
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c = 0x0000FF -- blue
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c = 0xFFFFFF -- white
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c = 0x808080 -- gray (50%)</code>
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Hint: On [http://www.colorpicker.com/] you find a color-picking tool for getting RGB colors easily.
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== Globally available variables and constants ==
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The following variables are made available by Hedgewars in Lua and can be used to quickly query a value. Lua scripts schould normally *not* write to these variables, only read from them.
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=== General variables and constants ===
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Here are some unsorted variables or constants which are available in Lua. You shouldn’t write to most of them.
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|| *Identifier* || *Description* ||
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|| `LAND_WIDTH` || The width of the landscape in pixels ||
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|| `LAND_HEIGHT` || The height of the landscape in pixels ||
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|| `LOCALE` || Current locale identifier (e.g. “de” for German) ||
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|| `LeftX` || X coordinate of the leftmost point of the landscape ||
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|| `RightX` || X coordinate of the rightmost point of the landscape ||
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|| `TopY` || Y coordinate of the topmost point of the landscape ||
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|| `CursorX` || The X position of the cursor if the player is choosing a target. Otherwise, this is `-2147483648` ||
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|| `CursorY` || The Y position of the cursor if the player is choosing a target. Otherwise, this is `-2147483648` ||
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|| `WaterLine` || The y position of the water, used to determine at which position stuff drowns. Use `SetWaterLine` to change. ||
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|| `ClansCount` || Number of clans, including defeated ones (a clan is a group of teams with same color) ||
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|| `TeamsCount` || Number of teams, including defeated ones ||
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|| `TurnTimeLeft` || Number of game ticks (milliseconds) left until the current turn ends. You can change this variable directly. ||
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|| `ReadyTimeLeft` || Remaining ready time in millseconds, 0 if turn in progress. Can be set in onNewTurn. In other places, it should only be read, not written. ||
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|| `GameTime` || Number of total game ticks ||
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|| `TotalRounds` || Number of rounds that have passed. Equals `-1` if game has not started yet or hogs are still being placed. This variable is buggy in 0.9.23 and earlier! ||
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|| `CurrentHedgehog` || The hedgehog gear that is currently in play ||
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|| `AmmoTypeMax` || Maximum ammo type ID (useful to iterate through all ammo types, starting by 0) ||
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=== !GameFlags ===
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The !GameFlags are used to store simple boolean settings of the game.
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You can read/modify them using the [LuaAPI#GameFlags_functions GameFlags-Functions].
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|| *Identifier* || *Description (active state)* ||
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|| `gfOneClanMode` || Used when only one clan is in the game. This game flag is primarily used for training missions. ||
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|| `gfMultiWeapon` || TODO (Used in training missions.) ||
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|| `gfSwitchHog` || Free hog switching at turn start ||
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|| `gfDivideTeams` || The teams will start at opposite sites of the terrain. Two clans maximum. ||
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|| `gfBorder` || An indestructible border is active around the map. ||
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|| `gfBottomBorder` || There is an indestructable border at the bottom of the map. ||
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|| `gfShoppaBorder` || The terrain edge will be replaced by a decorative black/yellow “danger stripe”. This has no gameplay effect. ||
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|| `gfSolidLand` || The terrain is indestructible. ||
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|| `gfLowGravity` || The gravity is low. ||
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|| `gfLaserSight` || A laser sight is almost always active. ||
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|| `gfInvulnerable` || All hedgehogs are invulnerable. ||
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|| `gfVampiric` || All hedgehogs become vampires and get 80% of the damage they deal as health. ||
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|| `gfKarma` || Attackers share the damage they deal to enemies. ||
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|| `gfArtillery` || Hedgehogs can’t walk. ||
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|| `gfRandomOrder` || The game is played in random order. ||
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|| `gfPlaceHog` || Placement mode: At the beginning of the round, all hedgehogs are placed manually first. ||
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|| `gfKing` || King Mode: One hedgehog per team becomes their king, if the king dies, the team loses. ||
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|| `gfSharedAmmo` || Teams in the same clan share their ammo. ||
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|| `gfDisableGirders` || No girders will be created in random maps ||
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|| `gfDisableLandObjects` || No land objects will be created in random maps ||
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|| `gfAISurvival` || Computer-controlled hedgehogs will be revived after they die. ||
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|| `gfInfAttack` || Attacks don’t end the turn. ||
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|| `gfResetWeps` || The weapons will be reset to the initial state each turn. ||
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|| `gfPerHogAmmo` || Each hedgehog has its own weapon stash. ||
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|| `gfDisableWind` || There is no wind. ||
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|| `gfMoreWind` || There is always strong wind. ||
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|| `gfTagTeam` || Tag Team: Teams in the same clan share their turn time. ||
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|| `gfResetHealth` || The health of all living hedgehogs is reset at the end of each turn. ||
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=== Land flags ===
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The land flags denote several types of terrain. Like all flags, they can be combined at will.
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|| *Identifier* || *Meaning* ||
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|| `lfIce` || Slippery terrain, hogs will slide on it. ||
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|| `lfBouncy` || Bouncy terrain, hogs and some other gears will bounce off when they collide with it. ||
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|| `lfIndestructible` || Almost indestructible terrain, most weapons will not destroy it. ||
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|| `0` || Normal destroyable terrain. Note that this is the case when no other land flag is set. ||
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=== More constants ===
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More constants are at at [GearTypes Gear Types] , [AmmoTypes Ammo Types], [Sounds], [States], [Sprites], [VisualGearTypes Visual Gear Types].
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== Event handlers ==
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Lua scripts are supposed to _define_ these functions to do something. The functions are then _called_ by Hedgewars when a certain event has occoured.
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=== <tt>onGameInit()</tt> ===
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This function is called before the game loads its resources. One can read and modify various game variables here. These variables will become globally available after `onGameInit` has been invoked, but changing them has only an effect in `onGameInit`.
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Most variables are optional, but for missions, `Theme` must be set by the scripter if you want to use a random map, rather than an image map. All other variables do not need to be set by the scripter and have default values.
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List of game variables:
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|| *Identifier* || *Default* || *Description* ||
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|| `Theme` || _depends_ || The theme to be used. When `Map` is set, a default value is used. For missions which don't use an image map, `Theme` *must* be set explicitly ||
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|| `Map` || `""` || The image map being played or `""` if no image map is used ||
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|| `Seed` || `0` || Seed of the random number generator ||
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|| `MapGen` || `mgRandom` || Type of map generator. One of `mgRandom`, `mgMaze`, `mgPerlin`, `mgDrawn`. ||
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|| `TemplateFilter` || `0` || _unknown meaning_ ||
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|| `TemplateNumber` || `0` || _unknown meaning_ ||
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|| `MapFeatureSize` || `50` || Used by random maps to determine its “curvyness” or complexity. This value can be set by the user with the slider under the random map preview in the game setup screen. The user-set value ranges from 1 (leftmost position) to 25 (rightmost position). A good starting value is `12`. ||
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|| `GameFlags` || `0` || All `GameFlags` combined as a bitmask. Setting `GameFlags` directly is discouraged, use the [LuaAPI#GameFlags_functions] instead ||
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|| `Ready` || `5000` || Ready timer at the start of the turn (in milliseconds) ||
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|| `Delay` || `100` || Delay between each turn in milliseconds ||
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|| `TurnTime` || `45000` || Turn time in milliseconds ||
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|| `GetAwayTime` || `100` || Retreat time in percent ||
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|| `CaseFreq` || `5` || Probability that a crate drops in a turn. 0: never, >0: probability = `1/CaseFreq` ||
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|| `HealthCaseProb` || `35` || Chance that a crate drop is a health crate, in percent (other crates are ammo or utility crates) ||
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|| `HealthCaseAmount` || `25` || Amount of health in a health crate ||
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|| `DamagePercent` || `100` || Global damage in percent, affects damage and knockback ||
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|| `RopePercent` || `100` || Rope length in percent ||
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|| `MinesNum` || `4` || Number of mines being placed on a medium-sized map ||
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|| `MinesTime` || `3000` || Time for a mine to explode from activated (in milliseconds), `-1000` for random ||
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|| `MineDudPercent` || `0` || Chance of mine being a dud, in percent ||
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|| `AirMinesNum` || `0` || Number of air mines being placed on a medium-sized map ||
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|| `Explosives` || `2` || Number of barrels being placed on a medium-sized map ||
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|| `SuddenDeathTurns` || `15` || Turns until Sudden Death begins ||
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|| `WaterRise` || `47` || Height of water rise in pixels for each Sudden Death turn ||
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|| `HealthDecrease` || `5` || Amount of health decreased on each turn in Sudden Death ||
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|| `Goals` || `""` || Use this to add additional text to the goal text popup shown at the beginning and when using the quit or pause keys. The text is added to the default text which usually explains the game modifiers and does not replace it. Use `|` for line breaks. Also, all text before and including a `:` in a line will be highlighted. See also `ShowMission`. ||
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|| `WorldEdge` || `weNone` || Type edges being used at the left and right sides of the terrain (see below). ||
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|| `ScreenWidth` || _N/A_ || Width of the Hedgewars window or screen ||
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|| `ScreenHeight` || _N/A_ || Height of the Hedgewars window or screen ||
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The proper way to disable Sudden Death is by setting both `WaterRise` and `HealthDecrease` to `0`.
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If you want to add teams or hogs manually, you have to do it here. If you want to draw your own map using `AddPoint` and `FlushPoints`, you have to do this within this function as well.
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==== `WorldEdge` ====
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The value of `WorldEdge` can have the following values:
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|| *Identifier* || *Meaning* ||
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|| `weNone` || No world edges ||
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|| `weBounce` || Bouncy world edges ||
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|| `weWrap` || World wraps around at the edges ||
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|| `weSea` || Ocean world edges ||
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=== <tt>onGameStart()</tt> ===
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This function is called when the first round starts.
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Can be used to show the mission and for more setup, for example initial target spawning.
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=== <tt>onPreviewInit()</tt> ===
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This function is called when the map preview in the frontend is initialized. This happens when the script is selected or you change a map generator parameter.
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It is useful for scripts which create their own maps (see `AddPoint` and `FlushPoints`). If you create a map in this function, a preview will be generated from this map and is exposed to the frontend.
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=== <tt>onParameters()</tt> ===
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This function is called when the script parameters (as specified in the game scheme) become available. The script parameter string is stored in the global variable `ScriptParam`.
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Please note that it is normally not safe to call many of the other functions inside this function, this function is called very early in the game, only use this to initialize variables and other internal stuff like that.
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*Tip*: If you use the Params library  (`/Scripts/Params.lua`), you can make the task of dissecting the string into useful values a bit easier, but it’s not required. (The Params library is not documented yet, however).
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*Tip*: If you use this callback, make sure to document the interpretation of the parameters so others know how to set the parameters properly.
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=== <tt>onGameTick()</tt> ===
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This function is called on every game tick, i.e. 1000 times a second. If you just need to check on something periodically, consider `onGameTick20`.
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=== <tt>onGameTick20()</tt> ===
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This function is called every 20 game ticks, which equals 50 times a second. It reduces Lua overhead for simple monitoring that doesn’t need to happen every single tick.
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=== <tt>onNewTurn()</tt> ===
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This function calls at the start of every turn. You can set `ReadyTimeLeft` here to change the ready time for this turn. (See also: `Ready`)
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=== <tt>onEndTurn()</tt> (0.9.24) ===
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This function calls at the end of every turn. The end of a turn is defined as the point of time after the current hedgehog lost control and all the important gears are either gone or have settled.
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`CurrentHedgehog` holds the gear ID of the hedgehog whose turn just ended.
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This function is called at one of the earliest possible moment after the end of a turn. After this callback, Hedgewars then performs all the other stuff between turns. This includes things like: Applying poison or Sudden Death damage, calculating total hog damage, rising the water in Sudden Death, dropping a crate, checking victory, giving control to the next hog.
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Because this function is called *before* victories are checked, this is useful to set up your victory conditions here.
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=== <tt>onSkipTurn()</tt> (0.9.24) ===
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This function calls when a hog skips its turn.
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=== <tt>onSuddenDeath()</tt> ===
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This function is called on the start of Sudden Death.
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=== <tt>onGearAdd(gearUid)</tt> ===
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This function is called when a new gear is added. Useful in combination with `GetGearType(gearUid)`.
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=== <tt>onGearDelete(gearUid)</tt> ===
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This function is called when a new gear is deleted. Useful in combination with `GetGearType(gearUid)`.
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=== <tt>onVisualGearAdd(vgUid)</tt> (0.9.23) ===
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This function is called when a new visual gear is added. Useful in combination with `GetVisualGearType(vgUid)`.
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=== <tt>onVisualGearDelete(vgUid)</tt> (0.9.23) ===
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This function is called when a new visual gear is deleted. Useful in combination with `GetVisualGearType(vgUid)`.
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=== <tt>onGearDamage(gearUid, damage)</tt> ===
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This function is called when a gear is damaged.
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Example:
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<code language="lua">    function onGearDamage(gear, damage)
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        if (GetGearType(gear) == gtHedgehog) then
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            -- adds a message saying, e.g. "Hoggy H took 25 points of damage"
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            AddCaption(GetHogName(gear) .. ' took ' .. damage .. ' points of damage')
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        end
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    end</code>
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=== <tt>onGearResurrect(gearUid) </tt> ===
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This function is called when a gear is resurrected due to the hog effect `heResurrectable` being set (see `SetEffect`) and/or being an AI hog when the game modifier “AI Survival” (`gfAISurvival`) is active. It is *not* called when a hog was resurrected by the resurrector tool you can use in the game.
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=== <tt>onAmmoStoreInit()</tt> ===
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This function is called when the game is initialized to request the available ammo and ammo probabilities. Use `SetAmmo` here.
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=== <tt>onNewAmmoStore(team/clan index, hog index)</tt> ===
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This function is identical to `onAmmoStoreInit` in function, but is called once per ammo store.  This allows different ammo sets for each clan, team or hedgehog depending on the mode.
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If `gfSharedAmmo` is set, the parameters passed are the clan index, and `-1`, and the function will be called once for each clan.
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If `gfPerHogAmmo` is set, the parameters passed are the team index and the hog index in that team, and the function will be called once for each hedgehog.
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If neither is set, the parameters passed are the team index and `-1`, and the function will be called once for each team.
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These indexes can be used to look up details of the clan/team/hedgehog prior to gear creation. Routines to do these lookups will be created as needed.
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If you add this hook, the expectation is that you will call SetAmmo appropriately. Any values from `onAmmoStoreInit` are ignored.
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=== <tt>onGearWaterSkip(gear)</tt> ===
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This function is called when the gear `gear` skips over water.
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=== <tt>onScreenResize()</tt> ===
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This function is called when you resize the screen. Useful place to put a redraw function for any `vgtHealthTags` you're using.
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=== <tt>onAttack()</tt> ===
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This function is called when your Hedgehog attacks.
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=== <tt>onHJump()</tt> ===
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This function is called when you press the high jump key.
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=== <tt>onLJump()</tt> ===
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This function is called when you press the long jump key.
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=== <tt>onPrecise()</tt> ===
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This function is called when you press the precise key.
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=== <tt>onLeft()</tt> ===
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This function is called when you press the left key.
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=== <tt>onRight()</tt> ===
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This function is called when you press the right key.
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=== <tt>onUp()</tt> ===
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This function is called when you press the up key.
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=== <tt>onDown()</tt> ===
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This function is called when you press the down key.
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=== <tt>onAttackUp()</tt> ===
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This function is called when you release the attack key.
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=== <tt>onDownUp()</tt> ===
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This function is called when you release the down key.
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=== <tt>onHogAttack(ammoType)</tt> ===
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This function is called when you press the attack key. Beginning with 0.9.21, the parameter `ammoType` is provided. It contains the ammo type of the weapon used for the attack.
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=== <tt>onLeftUp()</tt> ===
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This function is called when you release the left key.
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=== <tt>onPreciseUp()</tt> ===
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This function is called when you release the precise key.
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=== <tt>onRightUp()</tt> ===
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This function is called when you release the right key.
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=== <tt>onSetWeapon(msgParam)</tt> ===
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It is get called when a weapon is selected or switched.
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`msgParam` tells you which ammo type was selected.
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=== <tt>onSlot(msgParam)</tt> ===
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This function is called when one of the weapon slot keys has been pressed.
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`msgParam` tells the slot number minus 1 (i.e. `0` is for slot number 1, `1` is for slot number 2, etc.).
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=== <tt>onSwitch()</tt> ===
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This function is called when a hog is switched to another.
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=== <tt>onTaunt(msgParam)</tt> ===
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This function is called when the player uses an animated emote for example by using the chat commands `/wave`, `/juggle`, etc.
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`msgParam` tells you which animation was played:
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|| *`msgParam`* || *Animation* || *Associated chat command* ||
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|| 0 || Rolling up || `/rollup` ||
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|| 1 || Sad face || `/sad` ||
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|| 2 || Waving hand || `/wave` ||
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|| 3 || Stupid winner's grin / “Awesome” face || `/hurrah` ||
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|| 4 || Peeing || `/ilovelotsoflemonade` ||
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|| 5 || Shrug || `/shrug` ||
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|| 6 || Juggling || `/juggle` ||
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=== <tt>onTimer(msgParam)</tt> ===
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This function is called when one of the timer keys is pressed.
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`msgParams` tells the set timer in seconds (i.e. `3` for the 3 seconds timer key).
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=== <tt>onUpUp()</tt> ===
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This function is called when you release the up key.
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=== <tt>onUsedAmmo(ammoType)</tt> (0.9.23) ===
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Called after a weapon has been used completely, with `ammoType` as the used ammo type.
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For example, it is called right after a bazooka is fired, when both shots of a shotgun have been fired, when extra time is used, or when all 4 shots of a portable portal device have been fired. It is also called when using a multi-shot ammo has been aborted by changing the weapon selection mid-way, because this still uses up the ammo.
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=== <tt>onHogHide(gearUid)</tt> ===
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This function is called when a hedgehog with the gear ID `gearUid` is hidden (removed from the map).
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   367
=== <tt>onHogRestore(gearUid)</tt> ===
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This function is called when a hedgehog with the specified gear ID `gearUid` is restored (unhidden).
173
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   369
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=== <tt>onSpritePlacement(spriteId, centerX, centerY)</tt> ===
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   371
This function is called when a [Sprites Sprite] has been placed.
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   372
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   373
`spriteID` is the type of the sprite, you find a list at [Sprites Sprites]. `centerX` and `centerY` are the coordinates of the center of the sprite.
dbb7937903a4 Add onSpritePlacement.
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=== <tt>onGirderPlacement(frameIdx, centerX, centerY)</tt> ===
402
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   376
This function is called when a girder has been placed.
1e7586c110f6 Documented 0.9.21 functions onGirderPlacement and onRubberPlacement.
almikes@aol.com
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   377
940
8c4a529edddb LuaAPI: PlaceRubber
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   378
`frameIdx` is used for the length and orientation of the girder. The possible values are explained in `PlaceGirder`. `centerX` and `centerY` are the coordinates of the girder’s center.
402
1e7586c110f6 Documented 0.9.21 functions onGirderPlacement and onRubberPlacement.
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   379
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   380
=== <tt>onRubberPlacement(frameIdx, centerX, centerY)</tt> ===
402
1e7586c110f6 Documented 0.9.21 functions onGirderPlacement and onRubberPlacement.
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   381
This function is called when a rubber has been placed.
1e7586c110f6 Documented 0.9.21 functions onGirderPlacement and onRubberPlacement.
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   382
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8c4a529edddb LuaAPI: PlaceRubber
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   383
`frameIdx` is used for the rubber orientation. The possible values are explained in `PlaceRubber`. `centerX` and `centerY` are the coordinates of the rubber’s center.
402
1e7586c110f6 Documented 0.9.21 functions onGirderPlacement and onRubberPlacement.
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   384
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   385
=== `onSpecialPoint(x, y, flags)` ===
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   386
This is used while a special hand-drawn map is loaded. The engine is building these hand-drawn maps by reading points from the map definition. Optionally, some of these points may be “special”. These are not actually drawn on the map, but are used to store additional information for a position on the map. Special points currently need to be added manually in the map, the in-game editor is not able to add those yet (as of 0.9.23).
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Wuzzy
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   387
Now, when such a special point at the coordinates `x` and `y` with an assigned value of `flags` is added, this function is called. `flags` is a whole number between `0` and `255` inclusive.
868b783afc88 LuaAPI: Add onSpecialPoints. I hope it's more or less correct
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   388
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   389
This function is used in Racer and !TechRacer to define waypoints.
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   390
1225
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   391
=== `onAchievementsDeclaration()` ===
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   392
This function is called after the stats for the stats screen (after the game) have been generated. You are supposed to call `DeclareAchievement` here.
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   393
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
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== Functions for creating gears ==
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=== <tt>!AddGear(x, y, gearType, state, dx, dy, timer)</tt> ===
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This creates a new gear at position x,y (measured from top left) of kind `gearType` (see [GearTypes Gear Types]). The initial velocities are `dx` and `dy`. All arguments are numbers. The function returns the `uid` of the gear created. Gears can have multple states at once: `state` is a bitmask, the flag variables can be found in [States].
12
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   399
Example:
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   401
<code language="lua">    local gear = AddGear(0, 0, gtTarget, 0, 0, 0, 0)
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sheepyluva@gmail.com
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   402
    FindPlace(gear, true, 0, LAND_WIDTH)</code>
39
45a576e56425 Updating with visual gear functions and delete gear
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   403
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=== <tt>!AddVisualGear(x, y, visualGearType, state, critical [, layer])</tt> ===
7438c7dfeff6 LuaAPI: Add layer param to AddVisualGear
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This creates a new visual gear at position x,y (measured from top left) of kind `visualGearType` (see [VisualGearTypes Visual Gear Types]). The function returns the `uid` of the visual gear created.  Set `critical` to `true` if the visual gear is crucial to game play. Use `false` if it is just an effect, and can be skipped when in fast-forward mode (such as when joining a room). A critical visual gear will always be created, a non-critical one may fail. Most visual gears delete themselves. You can set an optional `layer` to specify which visual gears get drawn on top.
39
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   406
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   407
Example:
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   408
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almikes@aol.com
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   409
<code language="lua">  -- adds an non-critical explosion at position 1000,1000. Returns 0 if it was not created.
361
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diff changeset
   410
    vgear = AddVisualGear(1000, 1000, vgtExplosion, 0, false) 
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
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   411
</code>
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   412
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=== <tt>!SpawnHealthCrate(x, y, [, health])</tt> ===
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Spawns a health crate at the specified position. If `x` and `y` are set to 0, the crate will spawn on a random position (but always on land). Set `health` for the initial health contained in the health crate. If not set, the default health (`HealthCaseAmount`) is used. Do not use a negative value for `health`.
417
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   415
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=== <tt>!SpawnSupplyCrate(x, y, ammoType [, amount])</tt> (0.9.24) ===
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Spawns an ammo or utility crate at the specified position with the given ammo type and an optional amount (default: 1). The crate type is chosen automatically based on the ammo type.
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Otherwise, this function behaves like `SpawnAmmoCrate`.
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   419
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=== <tt>!SpawnAmmoCrate(x, y, ammoType [, amount])</tt> ===
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Spawns an ammo crate at the specified position with content of `ammoType` (see [AmmoTypes Ammo Types]). Any `ammoType` is permitted, an ammo crate is spawned even if the ammo is normally defined as an utility.
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If `ammoType` is set to `amNothing`, a random weapon (out of the available weapons from the weapon scheme) will be selected. If `x` and `y` are set to 0, the crate will spawn on a random position (but always on land). The `amount` parameter specifies the amount of ammo contained in the crate. If `amount` is `nil` or `0`, the value set by `SetAmmo` is used, or if `SetAmmo` has not been used, it falls back to the weapon scheme's value. If ´amount` is equal to or greater than `100` or greater, the amount is infinite.
1031
637ad254daf9 LuaAPI: Explain the initial ammo setting in missions
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   423
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   424
Note that in Lua missions, the default number of ammo in crates is 0, so it has to be set to at least 1 with `SetAmmo` first, see the example:
417
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   425
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   426
Example:
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
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diff changeset
   427
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Wuzzy
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   428
<code language="lua">    SetAmmo(amGrenade, 0, 0, 0, 1) -- grenade ammo crates now contain 1 grenade each
ea42a17739d0 LuaAPI: fix spawnammocrate mistakes
Wuzzy
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   429
    SpawnAmmoCrate(0, 0, amGrenade) -- spawn grenade ammo crate at random position</code>
417
f4b7962d39cd Better documentation about the special coordinates x=0, y=0 for the crate spawn functions.
almikes@aol.com
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diff changeset
   430
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3222b4cfef8a LuaAPI: Additional parameter for SpawnHealthCrate, SpawnAmmoCrate, SpawnUtilityCrate
Wuzzy
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   431
=== <tt>!SpawnUtilityCrate(x, y, ammoType [, amount])</tt> ===
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ab6bd4812ca4 LuaAPI: special amNothing for SpawnAmmoCrate / SpawnUtilityCrate
Wuzzy
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   432
Spawns an utility crate with some ammo at the specified position. The function behaves almost like `SpawnAmmoCrate`, the differences are 1) the crate looks different and 2) if `ammoType` is set to `amNothing`, a random utility out of the set of available utilities from the weapon scheme is chosen as content.
417
f4b7962d39cd Better documentation about the special coordinates x=0, y=0 for the crate spawn functions.
almikes@aol.com
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diff changeset
   433
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   434
Example:
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   435
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
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   436
<code language="lua">    SetAmmo(amLaserSight, 0, 0, 0, 1)
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315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   437
    SpawnUtilityCrate(0, 0, amLaserSight)</code>
400
0b7f8aed3c5e Documented the following functions:
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   438
0b7f8aed3c5e Documented the following functions:
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   439
=== <tt>!SpawnFakeAmmoCrate(x, y, explode, poison) </tt> ===
417
f4b7962d39cd Better documentation about the special coordinates x=0, y=0 for the crate spawn functions.
almikes@aol.com
parents: 416
diff changeset
   440
Spawns a crate at the specified coordinates which looks exactly like a real ammo crate but contains not any ammo. It can be use useful for scripted events or to create a trap. If `x` and `y` are set to 0, the crate will spawn on a random position (but always on land).
400
0b7f8aed3c5e Documented the following functions:
almikes@aol.com
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diff changeset
   441
`explode` and `poison` are booleans.
0b7f8aed3c5e Documented the following functions:
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   442
If `explode` is `true`, the crate will explode when collected.
0b7f8aed3c5e Documented the following functions:
almikes@aol.com
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   443
If `poison` is `true`, the collector will be poisoned.
0b7f8aed3c5e Documented the following functions:
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   444
0b7f8aed3c5e Documented the following functions:
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parents: 398
diff changeset
   445
Example:
0b7f8aed3c5e Documented the following functions:
almikes@aol.com
parents: 398
diff changeset
   446
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5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   447
<code language="lua">SpawnFakeAmmoCrate(500, 432, false, false) -- Spawns a fake ammo crate at the coordinates (500, 434) without explosion and poison.
400
0b7f8aed3c5e Documented the following functions:
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   448
</code>
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diff changeset
   449
0b7f8aed3c5e Documented the following functions:
almikes@aol.com
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diff changeset
   450
=== <tt>!SpawnFakeHealthCrate(x, y, explode, poison) </tt> ===
1241
50cb37fde767 LuaAPI: Simplify SpawnFakeHealthCrate and SpawnFakeUtilityCrate
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parents: 1240
diff changeset
   451
Same as `SpawnFakeAmmoCrate`, except the crate will look like a health crate.
400
0b7f8aed3c5e Documented the following functions:
almikes@aol.com
parents: 398
diff changeset
   452
0b7f8aed3c5e Documented the following functions:
almikes@aol.com
parents: 398
diff changeset
   453
=== <tt>!SpawnFakeUtilityCrate(x, y, explode, poison) </tt> ===
1241
50cb37fde767 LuaAPI: Simplify SpawnFakeHealthCrate and SpawnFakeUtilityCrate
Wuzzy
parents: 1240
diff changeset
   454
Same as `SpawnFakeAmmoCrate`, except the crate will look like an utility crate.
400
0b7f8aed3c5e Documented the following functions:
almikes@aol.com
parents: 398
diff changeset
   455
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
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diff changeset
   456
=== <tt>!AddHog(hogname, botlevel, health, hat)</tt> ===
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6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
   457
Adds a new hedgehog for current team (last created one with the `AddTeam` function), with bot level and specified health, also hat.
556
e57188e7bc3b Better explanation of botlevel (AddHog argument).
almikes@aol.com
parents: 555
diff changeset
   458
`botlevel` ranges from `0` to `5`, where `0` denotes a human player and `1` to `5` denote the skill level of a bot, where `1` is strongest and `5` is the weakest. Note that this is the reverse order of how the bot level is displayed in the game.
413
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
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parents: 412
diff changeset
   459
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ed6441e7ff84 LuaAPI: Add limitations of AddHog
Wuzzy
parents: 1158
diff changeset
   460
*Warning*: This only works in singleplayer mode (e.g. missions). Also, Hedgewars only supports up to 48 hedgehogs in a game. If you add more hedgehogs or call this function in multiplayer mode, Hedgewars might fail.
12
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   462
Example:
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
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parents:
diff changeset
   463
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5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   464
<code language="lua">    local player = AddHog("HH 1", 0, 100, "NoHat") -- botlevel 0 means human player
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   465
    SetGearPosition(player, 1500, 1000)</code>
12
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parents:
diff changeset
   466
== Functions to get gear properties ==
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74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
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=== <tt>!GetGearType(gearUid)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
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parents: 890
diff changeset
   469
This function returns the [GearTypes gear type] for the specified gear.
12
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   470
916
a01743eb08f1 LuaAPI: onVisualGearAdd, onVisualGearDelete, GetVisualGearType
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parents: 913
diff changeset
   471
=== <tt>!GetVisualGearType(vgUid)</tt> (0.9.23) ===
a01743eb08f1 LuaAPI: onVisualGearAdd, onVisualGearDelete, GetVisualGearType
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parents: 913
diff changeset
   472
This function returns the [VisualGearTypes visual gear type] for the specified visual gear.
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parents: 913
diff changeset
   473
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   474
=== <tt>!GetGearPosition(gearUid)</tt> ===
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d991247c5c05 LuaAPI: minor description fixes
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parents: 890
diff changeset
   475
Returns x,y coordinates for the specified gear. Not to be confused with `GetGearPos`.
12
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diff changeset
   476
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fb89844d7b78 LuaAPI: Move GetGearCollisionMask
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parents: 1243
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   477
=== `GetGearCollisionMask(gearUid)` ===
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parents: 1243
diff changeset
   478
Returns the current collision mask of the given gear. See `SetGearCollisionMask` for an explanation of the mask.
fb89844d7b78 LuaAPI: Move GetGearCollisionMask
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parents: 1243
diff changeset
   479
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   480
=== <tt>!GetGearRadius(gearUid)</tt> ===
892
05bb5a116783 LuaAPI: proper description of GetGearRadius
Wuzzy
parents: 891
diff changeset
   481
Returns the `Radius` value for the specified gear. For most [GearTypes gear types] for “projectile” gears (like `gtShell` or `gtGrenade`), the radius refers to the gear's collision radius. This is an invisible circle around the center of the gear which is used for the collision checks. For a few gear types, its radius means something different, see [Gear Types] for a full list.
05bb5a116783 LuaAPI: proper description of GetGearRadius
Wuzzy
parents: 891
diff changeset
   482
05bb5a116783 LuaAPI: proper description of GetGearRadius
Wuzzy
parents: 891
diff changeset
   483
To set the `Radius` value, use `SetGearValues`.
148
f343b50d5619 Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 147
diff changeset
   484
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   485
=== <tt>!GetGearVelocity(gearUid)</tt> ===
555
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   486
Returns a tuple of dx,dy values for the specified gear.
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   487
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   488
=== <tt>!GetFlightTime(gearUid)</tt> ===
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   489
Returns the `FlightTime` of the specified gear. The `FlightTime` is a gear varialbe used to store a general time interval. The precise meaning of the `FlightTime` depends on the gear type.
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   490
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   491
For example: The `FlightTime` of a hedgehog (`gtHedgehog`) is the time since they last have stood on solid ground. For most projectile gear types (i.e. `gtShell`), it stores the time after it has been launched.
71
2dcbebb06088 Edited wiki page LuaAPI through web user interface.
henrik.rostedt
parents: 70
diff changeset
   492
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   493
=== <tt>!GetGearElasticity(gearUid) </tt> ===
611
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   494
Returns the elasticity of the specified gear. The elasticity normally determines how strong the gear will bounce after collisions, where higher elasticity is for stronger bounces.
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   495
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   496
This is also useful for determining if a hog is on a rope or not. If a hog is attached to a rope, or is busy firing one, the elasticity of the rope will be non-zero.
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   497
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   498
=== <tt>!GetGearFriction(gearUid) </tt> ===
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   499
Returns the friction of the specified gear. The friction normally determines how well the gear will slide on terrain. Higher values are for increased sliding properties.
74
6130cad02b02 Added GetGearElasticity
RedGrinner
parents: 73
diff changeset
   500
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   501
=== <tt>!GetHogClan(gearUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   502
Returns the clan ID of the specified hedgehog gear.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   503
28
026591d95ac6 Edited wiki page LuaAPI through web user interface.
henrik.rostedt
parents: 24
diff changeset
   504
=== <tt>!GetHogTeamName(gearUid)</tt> ===
1039
e312e2616b75 LuaAPI: GetHogTeamName: Allow gtGrave
Wuzzy
parents: 1038
diff changeset
   505
Returns the name of the specified gear’s team. `gearUid` can be a hedgehog or a grave.
28
026591d95ac6 Edited wiki page LuaAPI through web user interface.
henrik.rostedt
parents: 24
diff changeset
   506
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   507
=== <tt>!GetHogName(gearUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   508
Returns the name of the specified hedgehog gear.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   509
140
04d82b673bc4 Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 139
diff changeset
   510
=== <tt>!GetEffect(gearUid, effect)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   511
Returns the state of given effect for the given hedgehog gear.
140
04d82b673bc4 Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 139
diff changeset
   512
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   513
See `SetEffect` for further details.
373
0f9322acd00a update GetEffect/SetEffect info
sheepyluva@gmail.com
parents: 369
diff changeset
   514
133
b737ccb5b49a Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 132
diff changeset
   515
=== <tt>!GetHogHat(gearUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   516
Returns the hat of the specified hedgehog gear.
133
b737ccb5b49a Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 132
diff changeset
   517
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   518
=== <tt>!GetHogFlag(gearUid)</tt> ===
610
b5b545b29e6a GetHogFlag, GetHogGrave, GetHogVoicepack
Wuzzy
parents: 608
diff changeset
   519
Returns the name of the flag of the team of the specified hedgehog gear.
b5b545b29e6a GetHogFlag, GetHogGrave, GetHogVoicepack
Wuzzy
parents: 608
diff changeset
   520
932
86ddcaa6813a LuaAPI: GetHogFort
Wuzzy
parents: 926
diff changeset
   521
=== <tt>!GetHogFort(gearUid)</tt> (0.9.23) ===
86ddcaa6813a LuaAPI: GetHogFort
Wuzzy
parents: 926
diff changeset
   522
Returns the name of the fort of the team of the specified hedgehog gear.
86ddcaa6813a LuaAPI: GetHogFort
Wuzzy
parents: 926
diff changeset
   523
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   524
=== <tt>!GetHogGrave(gearUid)</tt> ===
610
b5b545b29e6a GetHogFlag, GetHogGrave, GetHogVoicepack
Wuzzy
parents: 608
diff changeset
   525
Returns the name of the grave of the team of the specified hedgehog gear.
b5b545b29e6a GetHogFlag, GetHogGrave, GetHogVoicepack
Wuzzy
parents: 608
diff changeset
   526
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   527
=== <tt>!GetHogVoicepack(gearUid)</tt> ===
610
b5b545b29e6a GetHogFlag, GetHogGrave, GetHogVoicepack
Wuzzy
parents: 608
diff changeset
   528
Returns the name of the voicepack of the team of the specified hedgehog gear.
b5b545b29e6a GetHogFlag, GetHogGrave, GetHogVoicepack
Wuzzy
parents: 608
diff changeset
   529
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   530
=== <tt>!GetAmmoCount(gearUid, ammoType)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   531
Returns the ammo count of the specified ammo type for the specified hedgehog gear.
133
b737ccb5b49a Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 132
diff changeset
   532
913
33b5b51f54d6 LuaAPI: Add IsHogLocal
Wuzzy
parents: 912
diff changeset
   533
=== <tt>!IsHogLocal(gearUid)</tt> (0.9.23) ===
1190
0d33477246bc LuaAPI: update IsHogLocal
Wuzzy
parents: 1189
diff changeset
   534
Returns `true` if the specified hedgehog gear is controlled by a human player on the computer on which Hedgewars runs on (i.e. not over a computer over the network). Also returns `true` if the hog is a member of any of the local clans. Returns `false` otherwise. Returns `nil` if `gearUid` is invalid.
0d33477246bc LuaAPI: update IsHogLocal
Wuzzy
parents: 1189
diff changeset
   535
0d33477246bc LuaAPI: update IsHogLocal
Wuzzy
parents: 1189
diff changeset
   536
This is perfect to hide certain captions like weapon messages from enemy eyes.
913
33b5b51f54d6 LuaAPI: Add IsHogLocal
Wuzzy
parents: 912
diff changeset
   537
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   538
=== <tt>!GetGearTarget(gearUid, x, y) </tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   539
Returns the x and y coordinate of target-based weapons/utilities. 
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   540
<b>Note:</b>: This can’t be used in `onGearAdd()` but must be called after gear creation. 
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   541
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   542
=== <tt>GetX(gearUid)</tt> ===
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   543
Returns x coordinate of the gear.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   544
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   545
=== <tt>GetY(gearUid)</tt> ===
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   546
Returns y coordinate of the gear.
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   547
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   548
=== <tt>!GetState(gearUid)</tt> ===
415
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   549
Returns the state of the gear. The gear state is a bitmask which is built out of the variables as shown in [States].
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   550
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   551
This function is usually used in combination with `band` to extract the truth value of a single flag. It is also used together with `SetState` and `bor` in order to activate a single flag.
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   552
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   553
Examples:
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   554
<code language="lua">
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   555
local state = GetState(gear)
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   556
--[[ Stores the full raw bitmask of gear in state. Usually
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   557
useless on its own. ]]
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   558
</code>
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   559
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   560
<code language="lua">
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   561
isDrowning = band(GetState(CurrentHedgehog),gstDrowning) ~= 0
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   562
--[[ GetState(CurrentHedgehog) returns the state bitmask of
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   563
CurrentHedgehog, gstDrowning is a bitmask where only the
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   564
“drowning” bit is set. band does a bitwise AND on both, if
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   565
it returns a non-zero value, the hedgehog is drowning.]]
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   566
</code>
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   567
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   568
<code language="lua">
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   569
SetState(CurrentHedgehog, bor(GetState(CurrentHedgehog), gstInvisible))
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   570
--[[ first the state bitmask of CurrentHedgehog is bitwise ORed with
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   571
the gstInvisible flag, thus making the bit responsible for
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   572
invisiblity to become 1. Then the new bitmask is applied to
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   573
CurrentHedgehog, thus making it invisible.]]
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   574
</code>
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   575
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   576
114
e311af715b57 Edited wiki page LuaAPI through web user interface.
henrik.rostedt@gmail.com
parents: 107
diff changeset
   577
=== <tt>!GetGearMessage(gearUid)</tt> ===
625
e463f9d97820 Some copy-editing
Wuzzy
parents: 624
diff changeset
   578
Returns the message of the gear. This is a bitmask built out of flags seen in [GearMessages].
419
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   579
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   580
=== <tt>!GetTag(gearUid)</tt> ===
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   581
Returns the tag of the specified gear (by `gearUid`). 
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   582
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   583
The `Tag` of a gear is just another arbitrary variable to hold the gear's state. The meaning of a tag depends on the gear type. For example, for `gtBall` gears, it specifies the ball color, for `gtAirAttack` gears (airplane) it specifies the direction of the plane, etc. See [GearTypes] for a full list. The returned value will be an integer.
419
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   584
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   585
Note that the word “tag” here does _not_ refer to the name and health tags you see above hedgehogs, this is something different. 
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   586
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   587
<code language="lua">
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   588
-- This adds a ball (the one from the ballgun) at (123, 456):
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   589
ball = AddGear(123, 456, gtBall, 0, 0, 0, 0)
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   590
-- The tag of a ball defines its color. It will automatically chosen at random when created.
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   591
colorTag = GetTag(ball)
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   592
-- Now colorTag stores the tag of ball (in this case a number denoting its color)
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   593
</code>
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   594
421
d584704354ad Add link to GearTypes for SetTag and GetTag.
almikes@aol.com
parents: 419
diff changeset
   595
The meaning of tags are described in [GearTypes].
419
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   596
209
26805ae2a319 Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 203
diff changeset
   597
=== <tt>!GetFollowGear()</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   598
Returns the uid of the gear that is currently being followed.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   599
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   600
=== <tt>!GetTimer(gearUid)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   601
Returns the timer of the gear. This is for example the time it takes for watermelon, mine, etc. to explode. This is also the time used to specify the blowtorch or RC plane time. See [GearTypes] for a full list.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   602
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   603
=== <tt>!GetHealth(gearUid)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   604
Returns the health of the gear. Depending on the gear type, the gear's “health” can also refer to other things, see [GearTypes] for a full list.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   605
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   606
=== <tt>!GetHogLevel(gearUid)</tt> ===
1243
770aa6d54ae2 LuaAPI: clarify HogLevel stuff
Wuzzy
parents: 1241
diff changeset
   607
Returns the bot level ranging from `0` to `5`. `1` is the strongest bot level and `5` is the weakest one (this is the reverse of what players see). `0` is for human player.
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   608
503
87a36ae53518 Add GetGearPos
almikes@aol.com
parents: 502
diff changeset
   609
=== <tt>!GetGearPos(gearUid)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   610
Get the `Pos` value of the specified gear. `Pos` is just another arbitrary value to hold the state of the gear, such as `Tag` and `Health`, the meaning depends on the gear type. See [GearTypes] for the conrete meaning of a gear's `Pos` value. 
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   611
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   612
*Important*: Pos is *not* related to the gear's position, use `GetGearPosition` for that.
503
87a36ae53518 Add GetGearPos
almikes@aol.com
parents: 502
diff changeset
   613
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   614
=== <tt>!GetGearValues(gearUid)</tt> ===
616
51fafc27af9c Fix GetGearValues return value
Wuzzy
parents: 615
diff changeset
   615
This returns a bunch of values associated with the gear, their meaning is often depending on the gear type and many values might be unused for certain gear types.
612
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   616
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   617
This is returned (all variables are integers):
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   618
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
   619
`Angle, Power, WDTimer, Radius, Density, Karma, DirAngle, AdvBounce, ImpactSound, nImpactSounds, Tint, Damage, Boom`
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
   620
612
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   621
A rough description of some of the parameters:
615
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   622
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   623
 * `Radius`: Effect or collision radius, most of the time
625
e463f9d97820 Some copy-editing
Wuzzy
parents: 624
diff changeset
   624
 * `ImpactSound`: Sound it makes on a collision (see [Sounds])
615
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   625
 * `Tint`: Used by some gear types to determine its colorization. The color is in RGBA format.
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   626
 * `Boom`: Used by most gears to determine the damage dealt.
612
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   627
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   628
Example:
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   629
<code language="lua">
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   630
-- Get all values in a single line of code:
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
   631
local Angle, Power, WDTimer, Radius, Density, Karma, DirAngle, AdvBounce, ImpactSound, nImpactSounds, Tint, Damage, Boom = GetGearValues(myGear)
612
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   632
</code>
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   633
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   634
=== <tt>!GetVisualGearValues(vgUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   635
This returns the typically set visual gear values, useful if manipulating things like smoke or bubbles or circles. It returns the following values:
614
64c94ad363c8 Prettify GetVisualGearValues documentation
Wuzzy
parents: 613
diff changeset
   636
64c94ad363c8 Prettify GetVisualGearValues documentation
Wuzzy
parents: 613
diff changeset
   637
`X, Y, dX, dY, Angle, Frame, FrameTicks, State, Timer, Tint`
64c94ad363c8 Prettify GetVisualGearValues documentation
Wuzzy
parents: 613
diff changeset
   638
615
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   639
 * `X`, `Y`: typically position
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   640
 * `dX`, `dY`: typically speed
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   641
 * `Angle` is usually the rotation angle
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   642
 * `Frame` is typically the animation frame
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   643
 * `FrameTicks` is usually an animation counter
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   644
 * `State` can have a variety of values, but is typically bit packed
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   645
 * `Timer` is usually the gear lifetime
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   646
 * `Tint` is the RGBA color
614
64c94ad363c8 Prettify GetVisualGearValues documentation
Wuzzy
parents: 613
diff changeset
   647
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   648
Most visual gears require little to no modification of parameters.
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   649
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   650
Example:
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   651
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   652
<code language="lua">    GetVisualGearValues(vgUid) -- return visual gear values
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   653
</code>
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   654
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   655
== Functions to modify gears ==
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   656
243
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   657
=== <tt>!HideHog(gearUid)</tt> ===
1004
94d046b03855 LuaAPI: Update HideHog
Wuzzy
parents: 1003
diff changeset
   658
Removes a hedgehog from the map. The hidden hedgehog can be restored with `RestoreHog(gearUid)`. Since 0.9.23, returns `true` on success and `false` on failure (if gear does not exist / hog is already hidden).
243
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   659
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   660
Example: 
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   661
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   662
<code language="lua">    gear = AddGear(...)
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   663
     HideHog(gear) -- Hide the newly created gear.</code>
243
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   664
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   665
=== <tt>!RestoreHog(gearUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   666
Restores a previously hidden hedgehog.
243
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   667
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   668
Example: 
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   669
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   670
<code language="lua">    gear = AddGear(...)
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   671
     HideHog(gear) -- Hide the newly created gear.
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   672
     RestoreHog(gear) -- Restore the newly hidden gear.</code>
243
ac34d3763a17 Edited wiki page LuaAPI through web user interface.
szabibibi@gmail.com
parents: 209
diff changeset
   673
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   674
=== <tt>!DeleteGear(gearUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   675
Deletes a gear.
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   676
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   677
Example:
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   678
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   679
<code language="lua">    gear = AddGear(...)
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   680
    DeleteGear(gear) -- Delete the newly created gear.</code>
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   681
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   682
=== <tt>!DeleteVisualGear(vgUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   683
Deletes a visual gear. Note, most visual gears delete themselves.
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   684
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   685
Example:
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   686
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   687
<code language="lua">    vgear = AddVisualGear(...)
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   688
    DeleteVisualGear(vgear) -- Delete the newly created visual gear.</code>
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   689
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   690
=== <tt>!SetGearValues(gearUid, Angle, Power, WDTimer, Radius, Density, Karma, DirAngle, AdvBounce, ImpactSound, ImpactSounds, Tint, Damage, Boom)</tt> ===
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   691
Sets various gear value for the specified gear (`gearUid`). The meaining of each value often depends on the gear type. See the documentation on !GetGearValues for a brief description of the gear values.
612
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   692
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   693
Set `nil` for each value you do not want to change.
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   694
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   695
Example:
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   696
<code language="lua">
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   697
-- Paints all RC planes into a white color
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   698
function onGearAdd(gear)
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   699
    if GetGearType(gear) == gtRCPlane then
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   700
         SetGearValues(gear, nil, nil, nil, nil, nil, nil, nil, nil, nil, nil, 0xFFFFFFFF)
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   701
    end
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   702
end
376d1dcb3114 SetGearValues, GetGearValues
Wuzzy
parents: 611
diff changeset
   703
</code>
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   704
554
b77ffc789732 Escape “FrameTicks” once again
almikes@aol.com
parents: 553
diff changeset
   705
=== <tt>!SetVisualGearValues(vgUid, X, Y, dX, dY, Angle, Frame, !FrameTicks, State, Timer, Tint)</tt> ===
1188
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   706
This allows manipulation of many of the visual gear values of the visual gear `vgUid`. All visual gear values are numbers. Each visual gear may be using these parameters differently, but the *usual* meaning of these is the following:
613
50ad270cfcfb Prettify SetVisualGearValues documentation
Wuzzy
parents: 612
diff changeset
   707
615
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   708
 * `X`, `Y`: Position
1188
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   709
 * `dX`, `dY`: Speed along the X and Y axis
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   710
 * `Angle`: Current rotation
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   711
 * `Frame`: Image frame, if using a sprite sheet
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   712
 * `FrameTicks`: ???
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   713
 * `State`: Helper value to save some internal state
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   714
 * `Timer`: Time in milliseconds until it expires
615
632e4dcc8b52 Fix bullet point lists
Wuzzy
parents: 614
diff changeset
   715
 * `Tint`: RGBA color
613
50ad270cfcfb Prettify SetVisualGearValues documentation
Wuzzy
parents: 612
diff changeset
   716
1188
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   717
Some visual gears interpret these values differently, just like normal gears. See [VisualGearTypes] for details.  Also, most visual gears are not even using some of these values.
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   718
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   719
Note that most visual gears require little to no modification of their values.
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   720
613
50ad270cfcfb Prettify SetVisualGearValues documentation
Wuzzy
parents: 612
diff changeset
   721
Example 1:
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   722
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   723
<code language="lua">  -- set a circle to position 1000,1000 pulsing from opacity 20 to 200 (8%-78%), radius of 50, 3px thickness, bright red.
552
27add396065d Update SetVisualGearValues
almikes@aol.com
parents: 549
diff changeset
   724
    SetVisualGearValues(circleUid, 1000,1000, 20, 200, 0, 0, 100, 50, 3, 0xff0000ff)</code>
27add396065d Update SetVisualGearValues
almikes@aol.com
parents: 549
diff changeset
   725
1188
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   726
Only the first argument is required. Everything else is optional. Any such argument which is declared as `nil` will not overwrite the corresponding value of the visual gear.
552
27add396065d Update SetVisualGearValues
almikes@aol.com
parents: 549
diff changeset
   727
613
50ad270cfcfb Prettify SetVisualGearValues documentation
Wuzzy
parents: 612
diff changeset
   728
Example 2:
552
27add396065d Update SetVisualGearValues
almikes@aol.com
parents: 549
diff changeset
   729
1188
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   730
<code language="lua">  -- set a visual gear to position 1000,1000
552
27add396065d Update SetVisualGearValues
almikes@aol.com
parents: 549
diff changeset
   731
    SetVisualGearValues(circleUid, 1000, 1000)</code>
1188
fbcd3b2458b8 LuaAPI: details for SetVisualGearValues
Wuzzy
parents: 1165
diff changeset
   732
<code language="lua">  -- set the tint of a visual gear to bright red.
552
27add396065d Update SetVisualGearValues
almikes@aol.com
parents: 549
diff changeset
   733
    SetVisualGearValues(circleUid, nil, nil, nil, nil, nil, nil, nil, nil, nil, 0xff0000ff)</code>
27add396065d Update SetVisualGearValues
almikes@aol.com
parents: 549
diff changeset
   734
39
45a576e56425 Updating with visual gear functions and delete gear
kyberneticist
parents: 38
diff changeset
   735
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   736
=== <tt>!FindPlace(gearUid, fall, left, right[, tryHarder])</tt> ===
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   737
Finds a place for the specified gear between x=`left` and x=`right` and places it there. `tryHarder` is optional, setting it to `true`/`false` will determine whether the engine attempts to make additional passes, even attempting to place gears on top of each other.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   738
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   739
Example:
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   740
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   741
<code language="lua">    gear = AddGear(...)
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   742
    FindPlace(gear, true, 0, LAND_WIDTH) -- places the gear randomly between 0 and LAND_WIDTH</code>
1254
51daf8e0be6c LuaAPI: fix hogsay
Wuzzy
parents: 1253
diff changeset
   743
=== `HogSay(gearUid, text, manner [,vgState])` ===
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   744
Makes the specified gear say, think, or shout some text in a comic-style speech or thought bubble. `gearUid` is _not_ limited to hedgehogs, altough the function name suggests otherwise.
533
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   745
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   746
The `manner` parameter specifies the type of the bubble and can have one of these values:
59
233360620ae2 Edited wiki page LuaAPI through web user interface.
RedGrinner
parents: 58
diff changeset
   747
533
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   748
|| *Value of `manner`* || *Looks* ||
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   749
|| `SAY_THINK` || Thought bubble ||
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   750
|| `SAY_SAY` || Speech bubble ||
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   751
|| `SAY_SHOUT` || Exclamatory bubble (denotes shouting) ||
59
233360620ae2 Edited wiki page LuaAPI through web user interface.
RedGrinner
parents: 58
diff changeset
   752
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   753
There is a optional 4th parameter `vgState`, it defines wheather the speechbubble is drawn fully opaque or semi-transparent. The value `0` is the default value.
533
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   754
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   755
|| *Value of `vgState`* || *Effect* ||
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   756
|| `0` || If the specified gear is a hedgehog, and it’s the turn of the hedgehog’s team, the bubble is drawn fully opaque.<br>If the gear is a hedgehog, and it’s another team’s turn, the bubble is drawn translucent.<br>If the gear is not a hedgehog, the bubble is drawn fully opaque. ||
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   757
|| `1` || The bubble is drawn translucent. ||
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   758
|| `2` || The bubble is drawn fully opaque. ||
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   759
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   760
Examples:
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   761
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   762
<code language="lua">HogSay(CurrentHedgehog, "I wonder what to do …", SAY_THINK) -- thought bubble with text “I wonder what to do …”</code>
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   763
<code language="lua">HogSay(CurrentHedgehog, "I'm hungry.", SAY_SAY) -- speech bubble with text “I’m hungry.”</code>
f33a741d9057 Update HogSay for 0.9.21
almikes@aol.com
parents: 519
diff changeset
   764
<code language="lua">HogSay(CurrentHedgehog, "I smell CAKE!", SAY_SHOUT) -- exclamatory bubble with text “I smell CAKE!”</code>
52
714b56de5ea1 Edited wiki page LuaAPI through web user interface.
RedGrinner
parents: 51
diff changeset
   765
=== <tt>!HogTurnLeft(gearUid, boolean)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   766
Faces the specified hog left or right.
52
714b56de5ea1 Edited wiki page LuaAPI through web user interface.
RedGrinner
parents: 51
diff changeset
   767
714b56de5ea1 Edited wiki page LuaAPI through web user interface.
RedGrinner
parents: 51
diff changeset
   768
Example:
714b56de5ea1 Edited wiki page LuaAPI through web user interface.
RedGrinner
parents: 51
diff changeset
   769
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   770
<code language="lua">    HogTurnLeft(CurrentHedgehog, true) -- turns CurrentHedgehog left 
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   771
    HogTurnLeft(CurrentHedgehog, false) -- turns CurrentHedgehog right</code>
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   772
=== <tt>!SetGearPosition(gearUid, x, y)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   773
Places the specified gear exactly at the position (`x`,`y`). Not to be confused with `SetGearPos`.
71
2dcbebb06088 Edited wiki page LuaAPI through web user interface.
henrik.rostedt
parents: 70
diff changeset
   774
1227
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   775
=== `SetGearCollisionMask(gearUid, mask)` ===
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   776
Set the collision mask of the given gear with `gearUid`.
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   777
The collision mask defines with which gears and terrain types the gear can collide.
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   778
1302
3083c0d7e422 LuaAPI: fix some landflag issues
Wuzzy
parents: 1301
diff changeset
   779
`mask` is a number between `0x0000` and `0xFFFF` and used as a bitfield, which means you can combine these flags with `bor`. These are the available flags:
1227
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   780
1303
3a0bedfe5c75 LuaAPI: remove value colum of gearcollisionmask
Wuzzy
parents: 1302
diff changeset
   781
|| *Identifier* || *Collision with …* ||
3a0bedfe5c75 LuaAPI: remove value colum of gearcollisionmask
Wuzzy
parents: 1302
diff changeset
   782
|| `lfLandMask` || Terrain ||
3a0bedfe5c75 LuaAPI: remove value colum of gearcollisionmask
Wuzzy
parents: 1302
diff changeset
   783
|| `lfCurrentHog` || Current hedgehog and crates ||
3a0bedfe5c75 LuaAPI: remove value colum of gearcollisionmask
Wuzzy
parents: 1302
diff changeset
   784
|| `lfHHMask` || Any hedgehogs ||
3a0bedfe5c75 LuaAPI: remove value colum of gearcollisionmask
Wuzzy
parents: 1302
diff changeset
   785
|| `lfNotHHObjMask` || Objects, not hogs (e.g. mines, explosives) ||
3a0bedfe5c75 LuaAPI: remove value colum of gearcollisionmask
Wuzzy
parents: 1302
diff changeset
   786
|| `lfAllObjMask` || Hedgehogs and objects ||
1227
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   787
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   788
Beware, the collision mask is often set by the engine as well.
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   789
1228
460d8f3aaf32 LuaAPI: Rewrite SetGearCollisionMask
Wuzzy
parents: 1227
diff changeset
   790
Examples:
1301
d4d6bc1dc1de LuaAPI: add SetGearCollisionMask constants
Wuzzy
parents: 1300
diff changeset
   791
<code language="lua">SetGearCollisionMask(gear, bnot(lfCurrentHegehog))
1231
550b1afc9300 LuaAPI: fix code syntax
Wuzzy
parents: 1230
diff changeset
   792
-- Ignore collision with current hedgehog</code>
1227
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   793
1231
550b1afc9300 LuaAPI: fix code syntax
Wuzzy
parents: 1230
diff changeset
   794
<code language="lua">SetGearCollisionMask(gear, 0xFFFF)
550b1afc9300 LuaAPI: fix code syntax
Wuzzy
parents: 1230
diff changeset
   795
-- Collide with everything</code>
1228
460d8f3aaf32 LuaAPI: Rewrite SetGearCollisionMask
Wuzzy
parents: 1227
diff changeset
   796
1302
3083c0d7e422 LuaAPI: fix some landflag issues
Wuzzy
parents: 1301
diff changeset
   797
<code language="lua">SetGearCollisionMask(gear, lfAllObjMask)
1231
550b1afc9300 LuaAPI: fix code syntax
Wuzzy
parents: 1230
diff changeset
   798
-- Collide with hedgehogs and objects</code>
1228
460d8f3aaf32 LuaAPI: Rewrite SetGearCollisionMask
Wuzzy
parents: 1227
diff changeset
   799
1231
550b1afc9300 LuaAPI: fix code syntax
Wuzzy
parents: 1230
diff changeset
   800
<code language="lua">SetGearCollisionMask(gear, 0x0000)
550b1afc9300 LuaAPI: fix code syntax
Wuzzy
parents: 1230
diff changeset
   801
-- Collide with nothing</code>
1228
460d8f3aaf32 LuaAPI: Rewrite SetGearCollisionMask
Wuzzy
parents: 1227
diff changeset
   802
1304
41f5508fe01c LuaAPI: setgearcollisionmask exposure
Wuzzy
parents: 1303
diff changeset
   803
There are actual more flags availbable, but they are not as useful for use in Lua and their constants have not been exposed to Lua. You can find the full range of flags in the engine source code (in Pascal):
41f5508fe01c LuaAPI: setgearcollisionmask exposure
Wuzzy
parents: 1303
diff changeset
   804
41f5508fe01c LuaAPI: setgearcollisionmask exposure
Wuzzy
parents: 1303
diff changeset
   805
[https://hg.hedgewars.org/hedgewars/file/default/hedgewars/uConsts.pas#l112]
1227
edda2e2b973f LuaAPI: Add SetGearCollisionMask and GetGearCollisionMask
Wuzzy
parents: 1226
diff changeset
   806
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   807
=== <tt>!SetGearVelocity(gearUid, dx, dy)</tt> ===
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   808
Gives the specified gear the velocity of `dx`, `dy`.
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   809
555
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   810
=== <tt>!SetFlightTime(gearUid, flighttime)</tt> ===
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   811
Sets the `FlightTime` of the given gear to `flighttime`. The meaning of `FlightTime` is explained in the section `GetFlightTime`.
b7dd77a7d356 Add GetFlightTime and SetFlightTime
almikes@aol.com
parents: 554
diff changeset
   812
611
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   813
=== <tt>!SetGearElasticity(gearUid, Elasticity) </tt> ===
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   814
Sets the elasticity of the specified gear. For most gears, the elasticity determines how strong the gear will bounce after collisions, where higher elasticity is for stronger bounces. Recommended are values between `0` and `9999`.
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   815
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   816
=== <tt>!SetGearFriction(gearUid, Friction) </tt> ===
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   817
Sets the friction of the specified gear. The friction normally determines how well the gear will slide on terrain. Higher values are for increased sliding properties. `0` is for no sliding whatsoever, where `9999` is for very long slides, greater values are not recommended.
a1d30b3b866c Elasticity and friction
Wuzzy
parents: 610
diff changeset
   818
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   819
=== <tt>!SetHealth(gearUid, health)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   820
Sets the health of the specified gear. The “health” of a gear can refer to many things, depending on the gear type.
99
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   821
1381
6695b6e1d39a LuaAPI: Point to HealHog
Wuzzy
parents: 1327
diff changeset
   822
*Hint*: If you like to increase the health of a hedgehog with nice visual effects, consider using `HealHog` instead.
6695b6e1d39a LuaAPI: Point to HealHog
Wuzzy
parents: 1327
diff changeset
   823
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   824
Use cases:
99
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   825
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   826
  * Setting the health of a hedgehog (`gtHedgehog`) to 99
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   827
  * Starting the RC Plane (`gtRCPlane`) with 10 bombs
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   828
  * Starting flying saucer (`gtJetpack`) with only 50% fuel
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   829
  * Setting all the mines (`gtMine`) to duds
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   830
  * And more!
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   831
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   832
See [GearTypes] for a full description.
99
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   833
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   834
<code language="lua">    function onGearAdd(gear)
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   835
       if (GetGearType(gear) == gtHedgehog) then
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   836
            -- Set hedgehog health to 99
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   837
            SetHealth(gear, 99)
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   838
       end
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   839
       if (GetGearType(gear) == gtRCPlaane) then
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   840
            -- Give the plane 10 bombs
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   841
            SetHealth(gear, 10)
99
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   842
       end
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   843
       if (GetGearType(gear) == gtJetpack) then
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   844
            -- Set fuel to 50% only
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   845
            SetHealth(gear, 1000)
99
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   846
       end
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   847
       if (GetGearType(gear) == gtMine) then
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   848
            -- Turn mine into dud
361
315e9db1f458 no need to prevent linking of names in code blocks
sheepyluva@gmail.com
parents: 360
diff changeset
   849
            SetHealth(gear, 0)
99
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   850
       end
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   851
    end</code>
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   852
1189
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
   853
=== `HealHog(gearUid, healthBoost[, showMessage[, tint]])` (0.9.24) ===
1381
6695b6e1d39a LuaAPI: Point to HealHog
Wuzzy
parents: 1327
diff changeset
   854
Convenience function to increase the health of a hedgehog with default visual effects.
99
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   855
1381
6695b6e1d39a LuaAPI: Point to HealHog
Wuzzy
parents: 1327
diff changeset
   856
Specifically, this increases the health of the hedgehog gear with the given ID `gearUid` by `healthBoost`, displays some healing particles at the hedgehog and shows the health increae as a message. This is similar to the behavour after taking a health crate, or getting a health boost from vampirism.
1189
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
   857
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
   858
If `showMessage` is false, no message is shown. With `tint` you can set the RGBA color of the particles (default: `0x00FF00FF`).
99
983ec9ac63c7 Added a non-exhaustive list of examples for further applications of SetHealth()
RedGrinner@gmail.com
parents: 98
diff changeset
   859
1191
40698f589acb LuaAPI: HealHog does not affect poison
Wuzzy
parents: 1190
diff changeset
   860
This function does not affect the poison state, however (see `SetEffect`).
40698f589acb LuaAPI: HealHog does not affect poison
Wuzzy
parents: 1190
diff changeset
   861
373
0f9322acd00a update GetEffect/SetEffect info
sheepyluva@gmail.com
parents: 369
diff changeset
   862
=== <tt>!SetEffect(gearUid, effect, effectState)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   863
Sets the state for one of the effects <tt>heInvulnerable, heResurrectable, hePoisoned, heResurrected, heFrozen</tt> for the specified hedgehog gear.
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   864
A value of 0 usually means the effect is disabled, values other than that indicate that it is enabled and in some cases specify e.g. the remaining time of that effect.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   865
824
adfb23d8bc13 LuaAPI: fix typo
Wuzzy
parents: 823
diff changeset
   866
|| *`effect`* || *Description* || *`effectState`* ||
823
83dacaa4d7d0 LuaAPI: Explain the different hedgehog effects
Wuzzy
parents: 822
diff changeset
   867
|| `heInvulnerable` || Wether hog is invulnerable || Any non-zero value turns on invulnerability. `0` turns it off. ||
83dacaa4d7d0 LuaAPI: Explain the different hedgehog effects
Wuzzy
parents: 822
diff changeset
   868
|| `hePoisoned` || Poison damage, damages hog each turn. || Amount of damage per turn. Use `0` to disable poisoning. ||
83dacaa4d7d0 LuaAPI: Explain the different hedgehog effects
Wuzzy
parents: 822
diff changeset
   869
|| `heResurrectable` || Whether to resurrect the hog on death || With a non-zero value, the hedgehog will be resurrected and teleported to a random location on death. `0` disables this. ||
824
adfb23d8bc13 LuaAPI: fix typo
Wuzzy
parents: 823
diff changeset
   870
|| `heResurrected` || Whether the hedgehog has been resurrected once. This is only a subtle graphical effect. || With a non-zero value, the hedgehog was resurrected, `0` otherwise. ||
1216
6f312a1ab443 LuaAPI: fix syntax fail near heFrozen
Wuzzy
parents: 1215
diff changeset
   871
|| `heFrozen` || Freeze level. Frozen hedgehogs skip turn, are heavy and take half damage || The hog is considered frozen if the value is `256` or higher, otherwise not. A number of `256` or higher denotes “how frozen” the hedgehog is, i.e. how long it takes to melt. The freezer sets this to `199999` initially. The value will be reduced by `50000` each round. Being hit by a flame reduces this number by `1000`. The values `0` to `255` are used for the freeze/melt animations. ||
1299
c0cade1e3676 LuaAPI: 0.9.24 updates
Wuzzy
parents: 1272
diff changeset
   872
|| `heArtillery` || If enabled, the hedgehog can't walk (since 0.9.24). || `0` = disabled. `1` = permanently enabled. `2` = temporarily enabled (used by sniper rifle between shots) ||
823
83dacaa4d7d0 LuaAPI: Explain the different hedgehog effects
Wuzzy
parents: 822
diff changeset
   873
83dacaa4d7d0 LuaAPI: Explain the different hedgehog effects
Wuzzy
parents: 822
diff changeset
   874
Example (sets all bots poisoned with poison damage of 1):
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   875
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
   876
<code language="lua">    function onGearAdd(gear)
558
e9a42aa9e4c2 GetHogLevel, not GetBotLevel
nemo
parents: 557
diff changeset
   877
        if (GetGearType(gear) == gtHedgehog) and (GetHogLevel(gear) > 0) then
373
0f9322acd00a update GetEffect/SetEffect info
sheepyluva@gmail.com
parents: 369
diff changeset
   878
            SetEffect(gear, hePoisoned, 1)
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   879
        end
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   880
    end</code>
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   881
17
2893bd461cc7 LuaAPI: minor improvement
tobias.neumann
parents: 16
diff changeset
   882
=== <tt>CopyPV(gearUid, gearUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   883
This sets the position and velocity of the second gear to the first one.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   884
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   885
=== <tt>!FollowGear(gearUid)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   886
Makes the game client follow the specifiec gear.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   887
139
6bf231a611a7 Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 138
diff changeset
   888
=== <tt>!SetHogName(gearUid, name)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   889
Sets the name of the specified hedgehog gear.
139
6bf231a611a7 Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 138
diff changeset
   890
398
1f9f7fb00be3 Added entries for SetHogTeamName, SetWeapon
RedGrinner@gmail.com
parents: 394
diff changeset
   891
=== <tt>!SetHogTeamName(gearUid, name)</tt> ===
1039
e312e2616b75 LuaAPI: GetHogTeamName: Allow gtGrave
Wuzzy
parents: 1038
diff changeset
   892
Sets the team name of the specified gear. The gear can be a hedgehog or grave.
398
1f9f7fb00be3 Added entries for SetHogTeamName, SetWeapon
RedGrinner@gmail.com
parents: 394
diff changeset
   893
139
6bf231a611a7 Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 138
diff changeset
   894
=== <tt>!SetHogHat(gearUid, hat)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   895
Sets the hat of the specified hedgehog gear.
139
6bf231a611a7 Edited wiki page LuaAPI through web user interface.
RedGrinner@gmail.com
parents: 138
diff changeset
   896
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   897
=== <tt>!SetGearTarget(gearUid, x, y)</tt> ===
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   898
Sets the x and y coordinate of target-based weapons/utilities.
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   899
*Note*: This can’t be used in onGearAdd() but must be called after gear creation.
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   900
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   901
=== <tt>!SetState(gearUid, state)</tt> ===
415
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   902
Sets the state of the specified gear to the specified `state`. This is a bitmask made out of the variables as seen in [States].
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   903
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   904
This function is often used together with `GetState` and the bitmask utility functions `band` and `bnot` in order to manipulate a single flag.
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   905
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   906
Examples:
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   907
<code language="lua">
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   908
SetState(CurrentHedgehog, bor(GetState(CurrentHedgehog), gstInvisible))
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   909
--[[ first the state bitmask of CurrentHedgehog is bitwise ORed with
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   910
the gstInvisible flag, thus making the bit responsible for
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   911
invisiblity to become 1. Then the new bitmask is applied to
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   912
CurrentHedgehog, thus making it invisible. ]]
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   913
</code>
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   914
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   915
<code language="lua">
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   916
SetState(CurrentHedgehog, band(GetState(CurrentHedgehog), bnot(gstInvisible)))
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   917
--[[ The reverse of the above: This function toggles CurrentHedgehog’s
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   918
gstInvisible flag off, thus making it visible again. ]]
70961d4eef05 Fixed misleading descriptions of GetState and SetState (use of bitmasks were not mentioned). Added commented examples.
almikes@aol.com
parents: 414
diff changeset
   919
</code>
28
026591d95ac6 Edited wiki page LuaAPI through web user interface.
henrik.rostedt
parents: 24
diff changeset
   920
114
e311af715b57 Edited wiki page LuaAPI through web user interface.
henrik.rostedt@gmail.com
parents: 107
diff changeset
   921
=== <tt>!SetGearMessage(gearUid, message)</tt> ===
625
e463f9d97820 Some copy-editing
Wuzzy
parents: 624
diff changeset
   922
Sets the gear messages of the specified gear. `message` is a bitmask built out of flags seen in [GearMessages].
114
e311af715b57 Edited wiki page LuaAPI through web user interface.
henrik.rostedt@gmail.com
parents: 107
diff changeset
   923
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   924
=== <tt>!SetTag(gearUid, tag)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   925
Sets the `Tag` value of the specified gear (by `gearUid`). The `Tag` value of a gear is simply an extra variable to modify misc. things. The meaning of a tag depends on the gear type. For example, for `gtBall` gears, it specifies the ball color, for `gtAirAttack` gears (airplane) it specifies the direction of the plane, etc. See [GearTypes] for a full list. `tag` has to be an integer.
419
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   926
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   927
Note that the word “tag” here does _not_ refer to the name and health tags you see above hedgehogs, this is something different. 
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   928
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   929
<code language="lua">
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   930
-- This adds a ball (the one from the ballgun) at (123, 456):
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   931
ball = AddGear(123, 456, gtBall, 0, 0, 0, 0)
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   932
-- This sets the tag of the gear. For gtBall, the tag specified the color. “8” is the color white.
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   933
SetTag(ball, 8) -- 
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   934
</code>
861e9e89e19c Update SetTag, add GetTag.
almikes@aol.com
parents: 418
diff changeset
   935
421
d584704354ad Add link to GearTypes for SetTag and GetTag.
almikes@aol.com
parents: 419
diff changeset
   936
The meaning of tags are described in [GearTypes].
28
026591d95ac6 Edited wiki page LuaAPI through web user interface.
henrik.rostedt
parents: 24
diff changeset
   937
181
714a208397bd version number fixes
sheepyluva@gmail.com
parents: 180
diff changeset
   938
=== <tt>!SetTimer(gearUid, timer)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   939
Sets the timer of the specified gear. Also see `GetTimer`.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   940
360
2fcb523f0cc4 small fixes
sheepyluva@gmail.com
parents: 359
diff changeset
   941
=== <tt>!SetHogLevel(gearUid, level)</tt> ===
1243
770aa6d54ae2 LuaAPI: clarify HogLevel stuff
Wuzzy
parents: 1241
diff changeset
   942
Sets the bot level from 0 to 5. `1` is the strongest bot level and `5` is the weakest one (this is the reverse of what players see). `0` means human player.
69
48f6e6c0076d Edited wiki page LuaAPI through web user interface.
henrik.rostedt
parents: 68
diff changeset
   943
1224
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   944
=== `SetGearAIHints(gearUid, aiHint)` ===
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   945
Set some behaviour hints for computer-controlled hedgehogs for any given gear with `gearUid`.
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   946
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   947
Set `aiHint` to either of:
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   948
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   949
 * `aihUsualProcessing`: AI hogs treat this gear the usual way. This is the default.
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   950
 * `aihDoesntMatter`: AI hogs don't bother attacking this gear intentionally.
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   951
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   952
Example:
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   953
1231
550b1afc9300 LuaAPI: fix code syntax
Wuzzy
parents: 1230
diff changeset
   954
<code language="lua">
1224
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   955
SetGearAIHints(uselessHog, aihDoesntMatter)
1231
550b1afc9300 LuaAPI: fix code syntax
Wuzzy
parents: 1230
diff changeset
   956
-- This makes AI hogs stop caring about attacking uselessHog</code>
1224
90c14fae29f2 LuaAPI: Add SetGearAIHints
Wuzzy
parents: 1223
diff changeset
   957
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   958
=== <tt>!SetGearPos(gearUid, value)</tt> ===
891
d991247c5c05 LuaAPI: minor description fixes
Wuzzy
parents: 890
diff changeset
   959
Sets the `Pos` value (not the position!) of the specified gear to specified value. See `GetGearPos` for more information.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   960
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   961
== Gameplay functions ==
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
   962
549
fdff535292e4 Minor fix.
almikes@aol.com
parents: 540
diff changeset
   963
=== `GameFlags` functions ===
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   964
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   965
==== <tt>!ClearGameFlags()</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   966
Disables *all* !GameFlags.
380
b9bd613524ca adding gameflag api documentation
sheepyluva@gmail.com
parents: 379
diff changeset
   967
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   968
==== <tt>!DisableGameFlags(gameflag, ...)</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   969
Disables the listed !GameFlags, without changing the status of other !GameFlags.
380
b9bd613524ca adding gameflag api documentation
sheepyluva@gmail.com
parents: 379
diff changeset
   970
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   971
==== <tt>!EnableGameFlags(gameflag, ...)</tt> ====
1253
ea75236aa30c LuaAPI: clarify initial GameFlags
Wuzzy
parents: 1252
diff changeset
   972
Enables the listed !GameFlags, without changing the status of other !GameFlags. In missions, no !GameFlags are set initially.
380
b9bd613524ca adding gameflag api documentation
sheepyluva@gmail.com
parents: 379
diff changeset
   973
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   974
==== <tt>!GetGameFlag(gameflag)</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   975
Returns `true` if the specified gameflag is enabled, otherwise `false`.
380
b9bd613524ca adding gameflag api documentation
sheepyluva@gmail.com
parents: 379
diff changeset
   976
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   977
=== Environment ===
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   978
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   979
==== <tt>!SetGravity(percent)</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   980
Changes the current gravity of the game in percent (relative to default, integer value).
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   981
Setting it to 100 will set gravity to default gravity of hedgewars, 200 will double it, etc.
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   982
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   983
==== <tt>!GetGravity()</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   984
Returns the current gravity in percent.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   985
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   986
==== <tt>!SetWaterLine(waterline)</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
   987
Sets the water level (`WaterLine`) to the specified y-coordinate.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   988
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   989
==== <tt>!SetWind(windSpeed)</tt> ====
1189
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
   990
Sets the current wind in the range of -100 to 100 inclusive. Use together with `gfDisableWind` for full control.
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
   991
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
   992
==== <tt>!GetWind()</tt> (0.9.24) ====
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
   993
Returns current wind, expressed as a floating point number between -100 to 100 inclusive. Note there may be rounding errors.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
   994
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
   995
==== <tt>!SetMaxBuildDistance(distInPx)</tt> ====
790
1c4b787e841d LuaAPI: fix SetMaxBuildDistance documentation
Wuzzy
parents: 775
diff changeset
   996
Sets the maximum building distance for of girders and rubber bands in pixels to `distInPx`. If `distInPx` is `0`, the limit is disabled. If called without arguments, the distance will be reset to the default value.
608
9a49d69316f2 SetMaxBuildDistance
Wuzzy
parents: 583
diff changeset
   997
1270
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
   998
==== `Explode(x, y, radius[, options])` (0.9.24) ====
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
   999
Cause an explosion or erase land, push or damage gears.
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1000
1271
006fe546bd26 LuaAPI: fix typos
Wuzzy
parents: 1270
diff changeset
  1001
By default, an explosion destroys a circular piece of land and damages and pushes gears in its radius.
006fe546bd26 LuaAPI: fix typos
Wuzzy
parents: 1270
diff changeset
  1002
006fe546bd26 LuaAPI: fix typos
Wuzzy
parents: 1270
diff changeset
  1003
The explosion occours at coordinates `(x, y)` with the given `radius`. Assuming 100% damage, the explosion damage at the center equals the explosion radius.
1270
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1004
1272
4f93f837c427 LuaAPI: Explode: animation
Wuzzy
parents: 1271
diff changeset
  1005
The explosion will also have a visual effect (by spawning an explosion visual gear), unless the radius is very small.
4f93f837c427 LuaAPI: Explode: animation
Wuzzy
parents: 1271
diff changeset
  1006
1270
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1007
`options` is a bitmask which can be used to tweak how the explosion behaves:
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1008
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1009
|| *Flag* || *Meaning* ||
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1010
|| `EXPLAutoSound` || Plays an appropriate sound ||
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1011
|| `EXPLNoDamage` || Deal no damage to gears ||
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1012
|| `EXPLDoNotTouchHH` || Do not push hedgehogs ||
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1013
|| `EXPLDoNotTouchAny` || Do not push any gears ||
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1014
|| `EXPLDontDraw` || Do not destroy land ||
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1015
|| `EXPLNoGfx` || Do not show an explosion animation and do not shake the screen ||
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1016
|| `EXPLPoisoned` || Poison all hedgehogs in explosion radius ||
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1017
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1018
`options` is assumed to be `EXPLAutoSound` by default. Set `options` to 0 to disable all flags.
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1019
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1020
Examples:
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1021
<code language="lua">
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1022
-- Simple explosion at (100, 50) with radius 50
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1023
Explode(100, 50, 50)
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1024
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1025
-- Simlpe explosion without sound
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1026
Explode(100, 50, 50, 0)
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1027
1271
006fe546bd26 LuaAPI: fix typos
Wuzzy
parents: 1270
diff changeset
  1028
-- Fake explosion which only pushes gears but deals no damage to gears and terrain
1270
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1029
Explode(500, 1000, 50, EXPLAutoSound + EXPLNoDamage + EXPLDontDraw)
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1030
1271
006fe546bd26 LuaAPI: fix typos
Wuzzy
parents: 1270
diff changeset
  1031
-- Erase a circle of land without side effects
1270
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1032
Explode(500, 100, 100, EXPLNoDamage + EXPLDoNotTouchAny + EXPLNoGfx)
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1033
</code>
2c4320387c2f LuaAPI: Explode()
Wuzzy
parents: 1269
diff changeset
  1034
1269
347b7c9acf0a LuaAPI: Add SkipTurn and onSkipTurn
Wuzzy
parents: 1265
diff changeset
  1035
==== `SkipTurn()` (0.9.24) ====
347b7c9acf0a LuaAPI: Add SkipTurn and onSkipTurn
Wuzzy
parents: 1265
diff changeset
  1036
Forces the current hedgehog to skip its turn.
347b7c9acf0a LuaAPI: Add SkipTurn and onSkipTurn
Wuzzy
parents: 1265
diff changeset
  1037
1212
ba87334e07c9 LuaAPI: fix EndTurn
Wuzzy
parents: 1211
diff changeset
  1038
==== `EndTurn([noTaunts])` (0.9.23) ====
1325
14223a7d3c15 LuaAPI: Add Retreat
Wuzzy
parents: 1304
diff changeset
  1039
Ends the current turn immediately.
997
97eba4395dfd LuaAPI: Add EndTurn
Wuzzy
parents: 996
diff changeset
  1040
97eba4395dfd LuaAPI: Add EndTurn
Wuzzy
parents: 996
diff changeset
  1041
Normally, a “Coward” taunt may be played and an announcer message may be shown (depending on the situation). Set the optional `noTaunts` parameter to `true` to force the engine to never play a taunt or show a message. `noTaunts` is `false` by default.
97eba4395dfd LuaAPI: Add EndTurn
Wuzzy
parents: 996
diff changeset
  1042
1327
b4d511c8648a LuaAPI: fix Retreat heading
Wuzzy
parents: 1326
diff changeset
  1043
==== `Retreat(time [, respectGetAwayTimeFactor)` (0.9.25) ====
1325
14223a7d3c15 LuaAPI: Add Retreat
Wuzzy
parents: 1304
diff changeset
  1044
Forces the current turn into the retreating phase, as if the hog made an attack. That is, the current hedgehog is unable to attack or select a weapon, only movement is possible until the retreat time is up.
14223a7d3c15 LuaAPI: Add Retreat
Wuzzy
parents: 1304
diff changeset
  1045
14223a7d3c15 LuaAPI: Add Retreat
Wuzzy
parents: 1304
diff changeset
  1046
The retreat time must be set with `time` in milliseconds. By default, this time is automatically multiplied with get-away time percentage from the game scheme for seamless integration with schemes. If you want to ignore the game scheme for some reason and set the retreat time no matter what, set `respectGetAwayTimeFactor` to `false`.
14223a7d3c15 LuaAPI: Add Retreat
Wuzzy
parents: 1304
diff changeset
  1047
1326
81f8f7659f50 LuaAPI: Retreat update
Wuzzy
parents: 1325
diff changeset
  1048
If the current hedgehog was busy doing an attack, the attack is aborted, no shot is made. If this function is called in the ready phase of af a turn, the ready phase continues normally, but the turn will begin in the retreat phase instead.
1325
14223a7d3c15 LuaAPI: Add Retreat
Wuzzy
parents: 1304
diff changeset
  1049
14223a7d3c15 LuaAPI: Add Retreat
Wuzzy
parents: 1304
diff changeset
  1050
Note: If you want the turn to end instantly, it is recommended to use `EndTurn` instead.
14223a7d3c15 LuaAPI: Add Retreat
Wuzzy
parents: 1304
diff changeset
  1051
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1052
==== <tt>!EndGame()</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1053
Makes the game end.
12
74ead59b6c64 LuaAPI page + GearTypes,AmmoTypes,Sounds,States listing pages
Tobias Neumann <mail@tobias-neumann.eu>
parents:
diff changeset
  1054
912
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1055
=== Ammo ===
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1056
==== <tt>!SetAmmo(ammoType, count, probability, delay, numberInCrate)</tt> ====
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1057
This updates the settings for a specified [AmmoTypes Ammo Type] as of count available for players, spawn probability, availability delay in turns, and the number available in crates. This is supposed to be used in the `onAmmoStoreInit()` event handler.
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1058
1032
8ce955537e1c LuaAPI: fix **all** syntax fail
Wuzzy
parents: 1031
diff changeset
  1059
In Lua missions, for *all* ammo types, the ammo count, probability, delay and number in crates is set to 0 initially. Note: This also includes skip!
1031
637ad254daf9 LuaAPI: Explain the initial ammo setting in missions
Wuzzy
parents: 1030
diff changeset
  1060
912
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1061
Example:
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1062
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1063
<code language="lua">    SetAmmo(amShotgun, 9, 0, 0, 0) -- unlimited amount of shotgun ammo for players
1031
637ad254daf9 LuaAPI: Explain the initial ammo setting in missions
Wuzzy
parents: 1030
diff changeset
  1064
    SetAmmo(amGrenade, 0, 0, 0, 3) -- crates should contain always three grenade
637ad254daf9 LuaAPI: Explain the initial ammo setting in missions
Wuzzy
parents: 1030
diff changeset
  1065
    SetAmmo(amSkip, 9, 0, 0, 0) -- enable skip</code>
637ad254daf9 LuaAPI: Explain the initial ammo setting in missions
Wuzzy
parents: 1030
diff changeset
  1066
637ad254daf9 LuaAPI: Explain the initial ammo setting in missions
Wuzzy
parents: 1030
diff changeset
  1067
Hint: It is recommended to always enable skip in missions. Only in exceptional circumstances you should choose to not enable skip.
912
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1068
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1069
==== <tt>!SetAmmoDelay(ammoType, delay)</tt> ====
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1070
Changes the delay of a specified [AmmoTypes Ammo Type].
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1071
918
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1072
==== <tt>!SetAmmoTexts(ammoType, name, caption, description)</tt> (0.9.23) ====
1006
160112dc2fcf LuaAPI: Clarify SetAmmoTexts usage: Must not be called before onGameStart was fired
Wuzzy
parents: 1004
diff changeset
  1073
Allows you to overwrite the displayed name and tooltip descriptions of a given ammo type. This function must only be called either inside the `onGameStart` callback function, or after the engine has called `onGameStart`.
918
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1074
919
47ff2b524869 LuaAPI: fix bullet points
Wuzzy
parents: 918
diff changeset
  1075
 * `ammoType`: The ammo type to set the text for
47ff2b524869 LuaAPI: fix bullet points
Wuzzy
parents: 918
diff changeset
  1076
 * `name`: Name of the ammo type (e.g. “Grenade” for `amGrenade`), affects both name in ammo menu and in the “ticker” message on the screen top.
47ff2b524869 LuaAPI: fix bullet points
Wuzzy
parents: 918
diff changeset
  1077
 * `caption`: The second line in the ammo menu (below the title). E.g. “Timed grenade” for `amGrenade`.
47ff2b524869 LuaAPI: fix bullet points
Wuzzy
parents: 918
diff changeset
  1078
 * `description`: Description text in ammo menu, below the caption.
918
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1079
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1080
`title`, `caption`, `description` can be `nil`, in which case they will be reverted to the engine default value. This function returns `nil`.
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1081
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1082
Example:
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1083
<code language="lua">
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1084
-- Overwrites bazooka name and description
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1085
SetAmmoTexts(amBazooka, "Spoon Missile", "Crazy weapon", "This crazy weapon looks like a spoon and explodes on impact.|Attack: Hold to launch with more power")</code>
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1086
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1087
==== <tt>!SetAmmoDescriptionAppendix(ammoType, descAppend)</tt> (0.9.23) ====
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1088
Will set a string `descAppend` to be appended below the “core” description (ammo tooltip) of the specified `ammoType`, without changing the ordinary description.
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1089
Note that calling this function always sets the complete appended string, you can't use this function to append multiple texts in row.
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1090
920
657f3042209d LuaAPI: fix typo
Wuzzy
parents: 919
diff changeset
  1091
This function is recommended if you have tweaked an existing ammo type only a little and want to keep the original description intact as much as possible.
918
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1092
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1093
Example:
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1094
<code language="lua">
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1095
-- Appends a text to the ammo tooltip of the bazooka but leaves name and main description intact
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1096
SetAmmoTexts(amBazooka, "This weapon deals double the damage than usually.")</code>
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1097
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
  1098
==== <tt>!AddAmmo(gearUid, ammoType, ammoCount)</tt> ====
1030
b8c041a2f98e LuaAPI: Clarify ammoCount parameter of AddAmmo
Wuzzy
parents: 1029
diff changeset
  1099
Adds `ammoType` to the specified gear. The amount added is determined by the arguments passed via `SetAmmo()` in the `onAmmoStoreInit()` event handler. `ammoCount` is an optional parameter. If this is set, the ammo will **not** be added, but instead set to `ammoCount`. A value of 0 will remove the weapon, a value of 100 will give infinite ammo.
912
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1100
918
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1101
==== <tt>!GetAmmoName(ammoType [, ignoreOverwrite ])</tt> (0.9.23) ====
87e1d0a11e99 LuaAPI: Add SetAmmoDescriptionAppendix, SetAmmoTexts and update GetAmmoName
Wuzzy
parents: 917
diff changeset
  1102
Returns the localized name for the specified `ammoType`, taking an ammo name overwritten by `SetAmmoTexts` into account. If `ignoreOverwrite` is `true`, this function will always return the original ammo name of the weapon and ignores names which may have been overwritten by `SetAmmoTexts`.
912
ea13b02292c5 LuaAPI: Move non-gear related ammo functions to new section
Wuzzy
parents: 911
diff changeset
  1103
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1104
=== Map ===
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1105
==== <tt>!MapHasBorder()</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1106
Returns `true`/`false` if the map has a border or not.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1107
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
  1108
==== <tt>!TestRectForObstacle(x1, y1, x2, y2, landOnly)</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1109
Checks the rectangle between the given coordinates for possible collisions. Set `landOnly` to `true` if you don’t want to check for collisions with gears (hedgehogs, etc.).
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1110
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
  1111
==== <tt>!PlaceGirder(x, y, frameIdx)</tt> ====
940
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1112
Attempts to place a girder with centre points `x`, `y` and a certain length and orientation, specified by `frameIdx`. The girder can only be placed in open space and must not collide with anything so this function may fail. It will return `true` on successful placement and `false` on failure.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1113
940
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1114
These are the accepted values for `frameIdx`:
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1115
940
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1116
|| *`frameIdx`* || *Length* || *Orientation* ||
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1117
|| 0 || short || horizontal ||
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1118
|| 1 || short || decreasing right ||
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1119
|| 2 || short || vertical ||
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1120
|| 3 || short || increasing right ||
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1121
|| 4 || long || horizontal ||
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1122
|| 5 || long || decreasing right ||
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1123
|| 6 || long || vertical ||
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1124
|| 7 || long || increasing right ||
412
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1125
940
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1126
==== <tt>!PlaceRubber(x, y, frameIdx)</tt> (0.9.23) ====
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1127
Attempts to place a rubber with centre points `x`, `y` and a certain orientation, specified by `frameIdx`. The rubber can only be placed in open space and must not collide with anything so this function may fail. It will return `true` on successful placement and `false` on failure.
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1128
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1129
These are the accepted values for `frameIdx`:
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1130
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1131
|| *`frameIdx`* || *Orientation* ||
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1132
|| 0 || horizontal ||
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1133
|| 1 || decreasing right ||
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1134
|| 2 || vertical ||
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1135
|| 3 || increasing right ||
8c4a529edddb LuaAPI: PlaceRubber
Wuzzy
parents: 936
diff changeset
  1136
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1137
==== <tt>!PlaceSprite(x, y, sprite, frameIdx, tint, behind, flipHoriz, flipVert, [, landFlag, ...])</tt> ====
869
a09b1abfe5e8 LuaAPI: return PlaceGirder and PlaceSprite tweaks
Wuzzy
parents: 866
diff changeset
  1138
Places a [Sprites sprite] at the specified position (`x`, `y`) on the map, it behaves like terrain then. Unlike `PlaceGirder`, this function does not check for collisions, so the sprite can be placed anywhere within map boundaries. The function returns `true` if the placement was successful, `false` otherwise. `frameIdx` is the frame index starting by 0. `frameIdx` is used if the sprite consists of several sub-images. Only a subset of the sprites is currently supported by this function:
539
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1139
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1140
 * `sprAmGirder`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1141
 * `sprAmRubber`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1142
 * `sprAMSlot`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1143
 * `sprAMAmmos`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1144
 * `sprAMAmmosBW`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1145
 * `sprAMCorners`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1146
 * `sprHHTelepMask`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1147
 * `sprTurnsLeft`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1148
 * `sprSpeechCorner`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1149
 * `sprSpeechEdge`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1150
 * `sprSpeechTail`
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
  1151
 * `sprTargetBee`
539
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1152
 * `sprThoughtCorner`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1153
 * `sprThoughtEdge`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1154
 * `sprThoughtTail`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1155
 * `sprShoutCorner`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1156
 * `sprShoutEdge`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1157
 * `sprShoutTail`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1158
 * `sprBotlevels`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1159
 * `sprIceTexture`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1160
 * `sprCustom1`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1161
 * `sprCustom2`
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1162
692
111f39408390 Clean up markup for PlaceSprite and EraseSprite and clarify some stuff
Wuzzy
parents: 691
diff changeset
  1163
`tint` is for an RGBA colouring to apply, this works about the same as `Tint` in gears. `behind` indicates the sprite should not replace existing land. `flipHoriz` and `flipVert` are for mirroring the sprite vertically and horizontally before placing, respectively.
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1164
The 9th and later arguments specify land flags (see the constants section) to be used for the newly created terrain. If omited, `lfNormal` is assumed.
539
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1165
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1166
Example:
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1167
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1168
<code language="lua">PlaceSprite(2836, 634, sprAmGirder, 5)
539
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1169
-- Places the girder sprite as normal terrain at (2836, 634). The `frameIdx` 5 is for the long decreasing right girder.</code>
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1170
<code language="lua">PlaceSprite(1411, 625, sprAmRubber, 1, nil, nil, nil, nil, lfBouncy)
539
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1171
-- Places the rubber band sprite as bouncy terrain at (2836, 634). The `frameIdx` 1 is for the decreasing right rubber band.</code>
7173ac8996f9 Add PlaceSprite
almikes@aol.com
parents: 538
diff changeset
  1172
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1173
==== <tt>!EraseSprite(x, y, sprite, frameIdx, eraseOnLFMatch, onlyEraseLF, flipHoriz, flipVert, [, landFlag, ...])</tt> ====
692
111f39408390 Clean up markup for PlaceSprite and EraseSprite and clarify some stuff
Wuzzy
parents: 691
diff changeset
  1174
Erases a [Sprites sprite] at the specified position (`x`, `y`) on the map. `frameIdx` is the frame index starting by 0. `sprite`, `frameIdx`, `flipHoriz` and `flipVert` behave the same as in `PlaceSprite`. For `sprite`, the same subset of sprites is permitted.
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1175
692
111f39408390 Clean up markup for PlaceSprite and EraseSprite and clarify some stuff
Wuzzy
parents: 691
diff changeset
  1176
Set `eraseOnLFMatch` to `true` to erase all land for a pixel that matches any of the passed in land flags.  This is useful if, for example, an `lfBouncy` sprite was placed “behind” land using `PlaceSprite` and you want to remove it without destroying the non-bouncy terrain.
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1177
692
111f39408390 Clean up markup for PlaceSprite and EraseSprite and clarify some stuff
Wuzzy
parents: 691
diff changeset
  1178
Set `onlyEraseLF` to `true` to only remove specific land flags. If for example a sprite consists of `lfIndestructible` and `lfBouncy`, and you call `EraseSprite` with `onlyEraseLF` and `lfIndestructible` set, the sprite will remain bouncy but can be destroyed.  You can use this to entirely remove all land flags from a sprite—at this point the sprite will be visual only, painted on the map but with no collision.
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1179
692
111f39408390 Clean up markup for PlaceSprite and EraseSprite and clarify some stuff
Wuzzy
parents: 691
diff changeset
  1180
Examples:
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1181
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1182
<code language="lua">EraseSprite(2836, 634, sprAmGirder, 5)
692
111f39408390 Clean up markup for PlaceSprite and EraseSprite and clarify some stuff
Wuzzy
parents: 691
diff changeset
  1183
-- Removes the girder sprite at (2836, 634). The frameIdx 5 is for the long decreasing right girder.</code>
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1184
<code language="lua">EraseSprite(1411, 625, sprAmRubber, 1, true, true, nil, nil, lfIndestructible)
692
111f39408390 Clean up markup for PlaceSprite and EraseSprite and clarify some stuff
Wuzzy
parents: 691
diff changeset
  1185
-- Removes indestructibility from a rubber band sprite at (2836, 634). The frameIdx 1 is for the decreasing right rubber band.</code>
688
d9fc58ac04f2 Update EraseSprite, PlaceSprite and Get/Set GearValues
nemo
parents: 685
diff changeset
  1186
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
  1187
==== <tt>!AddPoint(x, y [, width [, erase] ])</tt> ====
412
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1188
This function is used to draw your own maps using Lua. The maps drawn with this are of type “hand-drawn”.
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1189
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1190
The function takes a `x`,`y` location, a `width` (means start of a new line) and `erase` (if `false`, this function will draw normally, if `true`, this function will erase drawn stuff).
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1191
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1192
This function must be called within `onGameInit`, where `MapGen` has been set to `mgDrawn`. You also should call `FlushPoints` when you are finished with drawing.
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1193
1391
86bada04da8f LuaAPI: Add reference to LuaDrawing
Wuzzy
parents: 1381
diff changeset
  1194
See [LuaDrawning] for some examples.
86bada04da8f LuaAPI: Add reference to LuaDrawing
Wuzzy
parents: 1381
diff changeset
  1195
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
  1196
==== <tt>!FlushPoints()</tt> ====
412
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1197
Makes sure that all the points/lines specified using `AddPoint` are actually applied to the map. This function must be called within `onGameInit`.
d2f4b5b9b77c Add AddPoint and FlushPoints.
almikes@aol.com
parents: 411
diff changeset
  1198
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1199
=== Current hedgehog ===
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1200
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
  1201
==== <tt>!GetCurAmmoType()</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1202
Returns the currently selected [AmmoTypes Ammo Type].
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1203
1232
4ac63a5c0184 LuaAPI: Remove most pre-0.9.23 version number mentions as very old
Wuzzy
parents: 1231
diff changeset
  1204
==== <tt>!SwitchHog(gearUid)</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1205
This function will switch to the hedgehog with the specifiedd `gearUid`.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1206
1246
0f08b9671715 LuaAPI: fix header of SetWeapon and SetNextWeapon
Wuzzy
parents: 1245
diff changeset
  1207
==== <tt>!SetWeapon(ammoType)</tt> ====
1245
355898ec2631 LuaAPI: Move SetWeapon and SetNextWeapon
Wuzzy
parents: 1244
diff changeset
  1208
Sets the selected weapon of `CurrentHedgehog` to one of the [AmmoTypes Ammo Type].
355898ec2631 LuaAPI: Move SetWeapon and SetNextWeapon
Wuzzy
parents: 1244
diff changeset
  1209
1299
c0cade1e3676 LuaAPI: 0.9.24 updates
Wuzzy
parents: 1272
diff changeset
  1210
Examples:
1245
355898ec2631 LuaAPI: Move SetWeapon and SetNextWeapon
Wuzzy
parents: 1244
diff changeset
  1211
355898ec2631 LuaAPI: Move SetWeapon and SetNextWeapon
Wuzzy
parents: 1244
diff changeset
  1212
<code language="lua">
1299
c0cade1e3676 LuaAPI: 0.9.24 updates
Wuzzy
parents: 1272
diff changeset
  1213
  SetWeapon(amBazooka) -- select the bazooka (if hog has one)
c0cade1e3676 LuaAPI: 0.9.24 updates
Wuzzy
parents: 1272
diff changeset
  1214
</code>
c0cade1e3676 LuaAPI: 0.9.24 updates
Wuzzy
parents: 1272
diff changeset
  1215
<code language="lua">
c0cade1e3676 LuaAPI: 0.9.24 updates
Wuzzy
parents: 1272
diff changeset
  1216
  SetWeapon(amNothing) -- unselects the weapon.
c0cade1e3676 LuaAPI: 0.9.24 updates
Wuzzy
parents: 1272
diff changeset
  1217
</code>
1245
355898ec2631 LuaAPI: Move SetWeapon and SetNextWeapon
Wuzzy
parents: 1244
diff changeset
  1218
1246
0f08b9671715 LuaAPI: fix header of SetWeapon and SetNextWeapon
Wuzzy
parents: 1245
diff changeset
  1219
==== <tt>!SetNextWeapon()</tt> ====
1245
355898ec2631 LuaAPI: Move SetWeapon and SetNextWeapon
Wuzzy
parents: 1244
diff changeset
  1220
This function makes the current hedgehog switch to the next weapon in list of available weapons. It can be used for example in trainings to pre-select a weapon.
355898ec2631 LuaAPI: Move SetWeapon and SetNextWeapon
Wuzzy
parents: 1244
diff changeset
  1221
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1222
==== <tt>!SetInputMask(mask)</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1223
Masks specified player input. This means that Hedgewars ignores certain player inputs, such as walking or jumping.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1224
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1225
Example: 
416
5aa55bbe4b73 Fixed faulty syntax highlighting in code block (was: “<code lang=…” instead of “<code language=…”)
almikes@aol.com
parents: 415
diff changeset
  1226
<code language="lua">    -- masks the long and high jump commands
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1227
SetInputMask(band(0xFFFFFFFF, bnot(gmLJump + gmHJump))) 
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1228
    -- clears input mask, allowing player to take actions
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1229
    SetInputMask(0xFFFFFFFF) 
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1230
		</code>
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1231
*Note*: Using the input mask is an effective way to script uninterrupted cinematics, or create modes such as No Jumping.
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1232
936
14d3c48a8913 LuaAPI: Warn about Animate (SetInputMask)
Wuzzy
parents: 932
diff changeset
  1233
*Note*: This function is used internally in the Animate [LuaLibraries library].
14d3c48a8913 LuaAPI: Warn about Animate (SetInputMask)
Wuzzy
parents: 932
diff changeset
  1234
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1235
See also [GearMessages].
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1236
405
4e1c166740b0 Add GetInputMask
almikes@aol.com
parents: 404
diff changeset
  1237
==== <tt>!GetInputMask()</tt> ====
4e1c166740b0 Add GetInputMask
almikes@aol.com
parents: 404
diff changeset
  1238
Returns the current input mask of the player.
4e1c166740b0 Add GetInputMask
almikes@aol.com
parents: 404
diff changeset
  1239
1219
b467502126fd LuaAPI: Move SetVampiric and SetLaserSight one level down
Wuzzy
parents: 1218
diff changeset
  1240
==== `SetVampiric(bool)` (0.9.24) ====
1189
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
  1241
Toggles vampirism mode for this turn. Set `bool` to `true` to enable (same effect as if the hedgehog has used Vampirism), `false` to disable.
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
  1242
1219
b467502126fd LuaAPI: Move SetVampiric and SetLaserSight one level down
Wuzzy
parents: 1218
diff changeset
  1243
==== `SetLaserSight(bool)` (0.9.24) ====
1189
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
  1244
Toggles laser sight for this turn. Set `bool` to `true` to enable (same effect as if the hedgehog has used Laser Sight), `false` to disable.
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
  1245
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1246
=== Randomness ===
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1247
==== <tt>!GetRandom(number)</tt> ====
515
8e9d86efc07b Copy-editing of the entire page. Also a few updates to some fairly out-dated information while I’m at it.
almikes@aol.com
parents: 505
diff changeset
  1248
Returns a randomly generated number in the range of 0 to number - 1. This random number uses the game seed, so is synchronised, and thus safe for multiplayer and saved games. Use `GetRandom` for anything that could impact the engine state. For example, a visual gear could simply use Lua’s `math.random`, but adding a regular gear should use `GetRandom`.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1249
413
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1250
=== Clans and teams ===
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1251
==== <tt>!AddTeam(teamname, color, grave, fort, voicepack, flag)</tt> ====
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1252
476
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1253
Adds a new team. Note that this can only be done in `onGameInit`, not at a later time.
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1254
You *must* add at least one hedgehog with `AddHog` after calling this. The engine does not support empty teams.
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1255
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1256
Arguments:
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1257
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1258
 * `teamname`: The name of the team.
583
0818d57c392f Clarifications on differences of RGB vs RGBA.
almikes@aol.com
parents: 579
diff changeset
  1259
 * `color`: The RGB color of the team as defined in [LuaAPI#Color]
476
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1260
 * `grave`: The name of the team’s grave (equals file name without the suffix)
638
9f17dc37a141 some AddTeam clarifications
Wuzzy
parents: 637
diff changeset
  1261
 * `fort`: The name of the team’s fort (equals file name without the suffix and without the letter “L” or “R” before that suffix)
476
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1262
 * `voicepack`: The name of the team’s voice pack (equals the directory name)
638
9f17dc37a141 some AddTeam clarifications
Wuzzy
parents: 637
diff changeset
  1263
 * `flag`: Optional argument for the name of the team’s flag (equals file name without the suffix). If set to `nil`, the flag “hedgewars” is used.
476
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1264
625
e463f9d97820 Some copy-editing
Wuzzy
parents: 624
diff changeset
  1265
*Note*: This works only for singleplayer training missions for now and will desync multiplayer games.
413
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1266
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1267
Example:
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1268
476
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1269
<code language="lua">AddTeam("team 1", 0xDD0000, "Simple", "Tank", "Default", "hedgewars")
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1270
--[[ Adds a new team with name “team 1”, red color (hexadecimal notation), the grave “Simple”,
dd4470df66ad Restructure information about AddTeam, add info that Hedgewars does not support empty teams.
almikes@aol.com
parents: 461
diff changeset
  1271
the fort “Tank” the voicepack “Default” and the flag “hedgewars”. ]]</code>
413
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1272
1189
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
  1273
==== <tt>!GetTeamName(teamIdx)</tt> (0.9.24) ====
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
  1274
Returns the name of the team with the index `teamIdx`. `teamIdx` is a number between 0 and `TeamsCount-1`.
e69155e475c8 LuaAPI: Add 0.9.24 functions
Wuzzy
parents: 1188
diff changeset
  1275
1218
344aa78491f6 LuaAPI: fix GetTeamIndex
Wuzzy
parents: 1217
diff changeset
  1276
==== <tt>!GetTeamIndex(teamname)</tt> (0.9.24) ====
1217
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1277
Returns the team index (number between 0 and `TeamsCount-1`) of the team with the name `teamName`.
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1278
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1279
==== <tt>!GetTeamClan(teamname)</tt> (0.9.24) ====
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1280
Returns the clan ID of the team with the given `teamName`.
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1281
413
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1282
==== <tt>!DismissTeam(teamname)</tt> ====
1217
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1283
Vaporizes all the hogs of the team with the given team name in a puff of smoke.
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1284
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1285
This function must not be called while it's the team's turn.
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1286
1240
7c0f5e773736 LuaAPI: fix typo
Wuzzy
parents: 1235
diff changeset
  1287
==== `SetTeamLabel(teamname[, label])` (0.9.24) ====
1217
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1288
Set or remove a label for the team with the given team name. The label is a string and will be displayed next to the team's health bar.
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1289
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1290
If `label` is `nil`, the label will be removed.
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1291
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1292
There's a special case: If the AI Survival game modifier is active, the AI kill counter will be replaced by the custom team label if it has been set. If `label` is set to `nil`, the default AI counter is shown again.
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1293
dcd14c9ccd2f LuaAPI: Add 3 more 0.9.24 functions
Wuzzy
parents: 1216
diff changeset
  1294
Use this to display a score, power value or another important team attribute. There's no hard length limit, but please try to keep it as short as possible to avoid visual clutter.
413
6d90d6994e95 Add DismissTeam, move AddTeam to new “Clans and teams” section.
almikes@aol.com
parents: 412
diff changeset
  1295
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1296
==== <tt>!GetClanColor(clan)</tt> ====
858
2a562faa73fb LuaAPI: GetClanColor, SetClanColor: They use RGBA instead of RGB
Wuzzy
parents: 826
diff changeset
  1297
Returns the RGBA color of the chosen clan by its number. The color data type is described in [LuaAPI#Color].
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1298
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1299
==== <tt>!SetClanColor(clan, color)</tt> ====
858
2a562faa73fb LuaAPI: GetClanColor, SetClanColor: They use RGBA instead of RGB
Wuzzy
parents: 826
diff changeset
  1300
Sets the RGBA color of the chosen clan by its number. The color data type is described in [LuaAPI#Color].
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1301
577
6e77c79a8457 Add GetCampaignVar and SaveCampaignVar
almikes@aol.com
parents: 576
diff changeset
  1302
=== Campaign management ===
6e77c79a8457 Add GetCampaignVar and SaveCampaignVar
almikes@aol.com
parents: 576
diff changeset
  1303
==== <tt>!SaveCampaignVar(varname, value)</tt> ====
6e77c79a8457 Add GetCampaignVar and SaveCampaignVar
almikes@aol.com
parents: 576
diff changeset
  1304
Stores the value `value` (a string) into the campaign variable `varname` (also a string). Campaign variables allow you to save progress of a team in a certain campaign. Campaign variables are saved on a per-team per-campaign basis. They are written into the team file (see [ConfigurationFiles#TeamName.hwt]).
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1305
579
9895045e9963 Updated SaveCampaignVar / GetCampaignVar links
almikes@aol.com
parents: 577
diff changeset
  1306
There are some special campaign variables which are used by Hedgewars to determine which missions to display in the campaign menu. This is described [ConfigurationFiles#%5BCampaign%20%3CCAMPAIGN_NAME%3E%5D here].
9895045e9963 Updated SaveCampaignVar / GetCampaignVar links
almikes@aol.com
parents: 577
diff changeset
  1307
577
6e77c79a8457 Add GetCampaignVar and SaveCampaignVar
almikes@aol.com
parents: 576
diff changeset
  1308
==== <tt>!GetCampaignVar(varname)</tt> ====
579
9895045e9963 Updated SaveCampaignVar / GetCampaignVar links
almikes@aol.com
parents: 577
diff changeset
  1309
Returns the value of the campaign variable `varname` as a string. See also `SaveCampaignVar`.
404
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1310
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1311
== Functions affecting the GUI ==
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1312
37d44392ad2b Reorganize the section “other functions” into several logical subunits.
almikes@aol.com
parents: 403
diff changeset
  1313
=== <tt>!AddCaption(text)</tt> ===
561
814f54a83d06 Update AddCaption
almikes@aol.com
parents: 560
diff changeset
  1314
Display an event text in the upper part of the screen. The text will be white and the caption group will be `capgrpMessage`.
814f54a83d06 Update AddCaption
almikes@aol.com
parents: 560
diff changeset
  1315
583
0818d57c392f Clarifications on differences of RGB vs RGBA.
almikes@aol.com
parents: 579
diff changeset
  1316
Example:
0818d57c392f Clarifications on differences of RGB vs RGBA.
almikes@aol.com
parents: 579
diff changeset
  1317
<code language="lua">
0818d57c392f Clarifications on differences of RGB vs RGBA.
almikes@aol.com
parents: 579
diff changeset
  1318
AddCaption("Hello, world!")