share/hedgewars/Data/Missions/Training/Basic_Training_-_Grenade.lua
changeset 7094 f5a5578be66b
child 7165 aad1aea05f1e
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/share/hedgewars/Data/Missions/Training/Basic_Training_-_Grenade.lua	Sat May 19 17:15:12 2012 +0200
@@ -0,0 +1,190 @@
+-- Hedgewars Grenade Training
+-- Scripting Example
+
+-- Lines such as this one are comments - they are ignored
+-- by the game, no matter what kind of text is in there.
+-- It's also possible to place a comment after some real
+-- instruction as you see below. In short, everything
+-- following "--" is ignored.
+
+---------------------------------------------------------------
+-- At first we implement the localization library using loadfile.
+-- This allows us to localize strings without needing to think
+-- about translations.
+-- We can use the function loc(text) to localize a string.
+
+loadfile(GetDataPath() .. "Scripts/Locale.lua")()
+
+-- This variable will hold the number of destroyed targets.
+local score = 0
+-- This variable represents the number of targets to destroy.
+local score_goal = 5
+-- This variable controls how many milliseconds/ticks we'd
+-- like to wait before we end the round once all targets
+-- have been destroyed.
+local end_timer = 4000 -- 5000 ms = 5 s
+-- This variable is set to true if the game is lost (i.e.
+-- time runs out).
+local game_lost = false
+-- This variable ensures that the death function isn't called
+-- repeatedly when game is over.
+local team_death = false
+-- This variable will point to the hog's gear
+local player = nil
+-- This variable will grab the time left at the end of the round
+local time_goal = 0
+
+-- This is a custom function to make it easier to
+-- spawn more targets with just one line of code
+-- You may define as many custom functions as you
+-- like.
+function spawnTarget()
+	-- add a new target gear
+	gear = AddGear(0, 0, gtTarget, 0, 0, 0, 0)
+	
+	-- move it to a random position within 0 and
+	-- LAND_WIDTH - the width of the map
+	FindPlace(gear, true, 0, LAND_WIDTH-1350)
+	
+	-- move the target to a higher vertical position
+	-- to ensure it's not somewhere down below
+	x, y = GetGearPosition(gear)
+	SetGearPosition(gear, x, 500)
+end
+
+-- This function is called before the game loads its
+-- resources.
+-- It's one of the predefined function names that will
+-- be called by the game. They give you entry points
+-- where you're able to call your own code using either
+-- provided instructions or custom functions.
+function onGameInit()
+	-- At first we have to overwrite/set some global variables
+	-- that define the map, the game has to load, as well as
+	-- other things such as the game rules to use, etc.
+	-- Things we don't modify here will use their default values.
+
+	-- The base number for the random number generator
+	Seed = 1
+	-- Game settings and rules
+	GameFlags = gfInfAttack + gfOneClanMode 
+	-- The time the player has to move each round (in ms)
+	TurnTime = 60000
+	-- The frequency of crate drops
+	CaseFreq = 0
+	-- The number of mines being placed
+	MinesNum = 0
+	-- The number of explosives being placed
+	Explosives = 0
+	-- The delay between each round
+	Delay = 1
+	-- The map to be played
+	Map = "Battlefield"
+	-- The theme to be used
+	Theme = "Castle"
+
+	-- Create the player team
+	AddTeam(loc("Grenadiers"), 14483456, "Simple", "Island", "Default")
+	-- And add a hog to it
+	player = AddHog(loc("Nade Boy"), 0, 1, "war_grenadier1")
+	SetGearPosition(player, 1530, 1100)
+end
+
+-- This function is called when the round starts
+-- it spawns the first target that has to be destroyed.
+-- In addition it shows the scenario goal(s).
+function onGameStart()
+	-- Spawn the first target.
+	spawnTarget()
+	
+	-- Show some nice mission goals.
+	-- Parameters are: caption, sub caption, description,
+	-- extra text, icon and time to show.
+	-- A negative icon parameter (-n) represents the n-th weapon icon
+	-- A positive icon paramter (n) represents the (n+1)-th mission icon
+	-- A timeframe of 0 is replaced with the default time to show.
+	ShowMission(loc("Grenade Training"), loc("Aiming Practice"), loc("Eliminate all targets before your time runs out.|You have unlimited ammo for this mission."), -amGrenade, 0)
+end
+
+function onNewTurn()
+	ParseCommand("setweap " .. string.char(amGrenade))
+end
+
+-- This function is called every game tick.
+-- Note that there are 1000 ticks within one second.
+-- You shouldn't try to calculate too complicated
+-- code here as this might slow down your game.
+function onGameTick()
+	-- If time's up, set the game to be lost.
+	-- We actually check the time to be "1 ms" as it
+	-- will be at "0 ms" right at the start of the game.
+	if TurnTimeLeft == 1 and score < score_goal then
+		game_lost = true
+		-- ... and show a short message.
+		ShowMission(loc("Grenade Training"), loc("Aiming Practice"), loc("Oh no! Time's up! Just try again."), -amSkip, 0)
+		-- How about killing our poor hog due to his poor performance?
+		SetHealth(player, 0)
+		-- Just to be sure set the goal time to 1 ms
+		time_goal = 1
+	end
+	-- If the goal is reached or we've lost ...
+	if score == score_goal or game_lost then
+		-- ... check to see if the time we'd like to
+		-- wait has passed and then ...
+		if end_timer == 0 then
+			-- Override the 'Draw' message with the appropriate message.
+			if game_lost then
+				AddCaption("Mission lost!", 0xffba00ff,capgrpGameState)
+			else
+				AddCaption("Mission won!", 0xffba00ff,capgrpGameState)
+			end
+			-- Remove the team to end the game. Only do this once.
+			if team_death == false then
+				team_death = true
+				ParseCommand("teamgone " .. "Grenadiers")
+			end
+		else
+			-- ... or just lower the timer by 1.
+			end_timer = end_timer - 1
+			-- Reset the time left to stop the timer
+			TurnTimeLeft = time_goal
+		end
+	end
+end
+
+-- This function is called when the game is initialized
+-- to request the available ammo and probabilities
+function onAmmoStoreInit()
+	-- add an unlimited supply of bazooka ammo
+	SetAmmo(amGrenade, 9, 0, 0, 0)
+end
+
+-- This function is called when a new gear is added.
+-- We don't need it for this training, so we can
+-- keep it empty.
+function onGearAdd(gear)
+end
+
+-- This function is called before a gear is destroyed.
+-- We use it to count the number of targets destroyed.
+function onGearDelete(gear)
+	-- We're only interested in target gears.
+	if GetGearType(gear) == gtTarget then
+		-- Add one point to our score/counter
+		score = score + 1
+		-- If we haven't reached the goal ...
+		if score < score_goal then
+			-- ... spawn another target.
+			spawnTarget()
+		else
+			if not game_lost then
+			-- Otherwise show that the goal was accomplished
+			ShowMission(loc("Grenade Training"), loc("Aiming Practice"), loc("Congratulations! You've eliminated all targets|within the allowed time frame."), 0, 0)
+			-- Also let the hogs shout "victory!"
+			PlaySound(sndVictory)
+			-- Save the time left so we may keep it.
+			time_goal = TurnTimeLeft
+			end
+		end
+	end
+end