(*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2013 Andrey Korotaev <unC0Rr@gmail.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*)
{$INCLUDE "options.inc"}
unit uVisualGearsList;
interface
uses uTypes;
function AddVisualGear(X, Y: LongInt; Kind: TVisualGearType): PVisualGear; inline;
function AddVisualGear(X, Y: LongInt; Kind: TVisualGearType; State: LongWord): PVisualGear; inline;
function AddVisualGear(X, Y: LongInt; Kind: TVisualGearType; State: LongWord; Critical: Boolean): PVisualGear;
procedure DeleteVisualGear(Gear: PVisualGear);
function VisualGearByUID(uid : Longword) : PVisualGear;
const
cExplFrameTicks = 110;
var VGCounter: LongWord;
VisualGearLayers: array[0..6] of PVisualGear;
implementation
uses uFloat, uVariables, uConsts, uTextures, uVisualGearsHandlers;
function AddVisualGear(X, Y: LongInt; Kind: TVisualGearType): PVisualGear; inline;
begin
AddVisualGear:= AddVisualGear(X, Y, Kind, 0, false);
end;
function AddVisualGear(X, Y: LongInt; Kind: TVisualGearType; State: LongWord): PVisualGear; inline;
begin
AddVisualGear:= AddVisualGear(X, Y, Kind, State, false);
end;
function AddVisualGear(X, Y: LongInt; Kind: TVisualGearType; State: LongWord; Critical: Boolean): PVisualGear;
var gear: PVisualGear;
t: Longword;
sp: real;
begin
AddVisualGear:= nil;
if ((GameType = gmtSave) or (fastUntilLag and (GameType = gmtNet)) or fastScrolling) and // we are scrolling now
((Kind <> vgtCloud) and (not Critical)) then
exit;
if ((cReducedQuality and rqAntiBoom) <> 0) and
(not Critical) and
(not (Kind in
[vgtTeamHealthSorter,
vgtSmallDamageTag,
vgtSpeechBubble,
vgtHealthTag,
vgtExplosion,
vgtSmokeTrace,
vgtEvilTrace,
vgtNote,
vgtSmoothWindBar])) then
exit;
inc(VGCounter);
New(gear);
FillChar(gear^, sizeof(TVisualGear), 0);
gear^.X:= real(X);
gear^.Y:= real(Y);
gear^.Kind := Kind;
gear^.doStep:= doStepHandlers[Kind];
gear^.State:= 0;
gear^.Tint:= $FFFFFFFF;
gear^.uid:= VGCounter;
gear^.Layer:= 0;
with gear^ do
case Kind of
vgtFlake:
begin
Timer:= 0;
tdX:= 0;
tdY:= 0;
Scale:= 1.0;
if SuddenDeathDmg then
begin
FrameTicks:= random(vobSDFrameTicks);
Frame:= random(vobSDFramesCount);
end
else
begin
FrameTicks:= random(vobFrameTicks);
Frame:= random(vobFramesCount);
end;
Angle:= random(360);
dx:= 0.0000038654705 * random(10000);
dy:= 0.000003506096 * random(7000);
if random(2) = 0 then
dx := -dx;
if SuddenDeathDmg then
dAngle:= (random(2) * 2 - 1) * (vobSDVelocity + random(vobSDVelocity)) / 1000
else
dAngle:= (random(2) * 2 - 1) * (vobVelocity + random(vobVelocity)) / 1000
end;
vgtCloud:
begin
Frame:= random(4);
dx:= 0.5 + 0.1 * random(5); // how much the cloud will be affected by wind
timer:= random(4096);
Scale:= 1.0
end;
vgtExplPart,
vgtExplPart2:
begin
t:= random(1024);
sp:= 0.001 * (random(95) + 70);
dx:= hwFloat2Float(AngleSin(t)) * sp;
dy:= hwFloat2Float(AngleCos(t)) * sp;
if random(2) = 0 then
dx := -dx;
if random(2) = 0 then
dy := -dy;
Frame:= 7 - random(3);
FrameTicks:= cExplFrameTicks
end;
vgtFire:
begin
t:= random(1024);
sp:= 0.001 * (random(85) + 95);
dx:= hwFloat2Float(AngleSin(t)) * sp;
dy:= hwFloat2Float(AngleCos(t)) * sp;
if random(2) = 0 then
dx := -dx;
if random(2) = 0 then
dy := -dy;
FrameTicks:= 650 + random(250);
Frame:= random(8)
end;
vgtEgg:
begin
t:= random(1024);
sp:= 0.001 * (random(85) + 95);
dx:= hwFloat2Float(AngleSin(t)) * sp;
dy:= hwFloat2Float(AngleCos(t)) * sp;
if random(2) = 0 then
dx := -dx;
if random(2) = 0 then
dy := -dy;
FrameTicks:= 650 + random(250);
Frame:= 1
end;
vgtShell: FrameTicks:= 500;
vgtSmallDamageTag:
begin
gear^.FrameTicks:= 1100
end;
vgtBubble:
begin
dx:= 0.0000038654705 * random(10000);
dy:= 0;
if random(2) = 0 then
dx := -dx;
FrameTicks:= 250 + random(1751);
Frame:= random(5)
end;
vgtSteam:
begin
dx:= 0.0000038654705 * random(10000);
dy:= 0.001 * (random(85) + 95);
if random(2) = 0 then
dx := -dx;
Frame:= 7 - random(3);
FrameTicks:= cExplFrameTicks * 2;
end;
vgtAmmo:
begin
alpha:= 1.0;
scale:= 1.0
end;
vgtSmokeWhite,
vgtSmoke:
begin
Scale:= 1.0;
dx:= 0.0002 * (random(45) + 10);
dy:= 0.0002 * (random(45) + 10);
if random(2) = 0 then
dx := -dx;
Frame:= 7 - random(2);
FrameTicks:= cExplFrameTicks * 2;
end;
vgtDust:
begin
dx:= 0.005 * (random(15) + 10);
dy:= 0.001 * (random(40) + 20);
if random(2) = 0 then dx := -dx;
if random(2) = 0 then Tag:= 1
else Tag:= -1;
Frame:= 7 - random(2);
FrameTicks:= random(20) + 15;
end;
vgtSplash:
begin
dx:= 0;
dy:= 0;
FrameTicks:= 740;
Frame:= 19;
Scale:= 0.75;
Timer:= 1;
end;
vgtDroplet:
begin
dx:= 0.001 * (random(180) - 90);
dy:= -0.001 * (random(160) + 40);
FrameTicks:= 250 + random(1751);
Frame:= random(3)
end;
vgtBeeTrace:
begin
FrameTicks:= 1000;
Frame:= random(16);
end;
vgtSmokeRing:
begin
dx:= 0;
dy:= 0;
FrameTicks:= 600;
Timer:= 0;
Frame:= 0;
scale:= 0.6;
alpha:= 1;
angle:= random(360);
end;
vgtFeather:
begin
t:= random(1024);
sp:= 0.001 * (random(85) + 95);
dx:= hwFloat2Float(AngleSin(t)) * sp;
dy:= hwFloat2Float(AngleCos(t)) * sp;
if random(2) = 0 then
dx := -dx;
if random(2) = 0 then
dy := -dy;
FrameTicks:= 650 + random(250);
Frame:= 1
end;
vgtHealthTag:
begin
Frame:= 0;
Timer:= 1500;
dY:= -0.08;
dX:= 0;
//gear^.Z:= 2002;
end;
vgtSmokeTrace,
vgtEvilTrace:
begin
gear^.X:= gear^.X - 16;
gear^.Y:= gear^.Y - 16;
gear^.State:= 8;
//gear^.Z:= cSmokeZ
end;
vgtBigExplosion:
begin
gear^.Angle:= random(360);
end;
vgtChunk:
begin
gear^.Frame:= random(4);
t:= random(1024);
sp:= 0.001 * (random(85) + 47);
dx:= hwFloat2Float(AngleSin(t)) * sp;
dy:= hwFloat2Float(AngleCos(t)) * sp * -2;
if random(2) = 0 then
dx := -dx;
end;
vgtNote:
begin
dx:= 0.005 * (random(15) + 10);
dy:= -0.001 * (random(40) + 20);
if random(2) = 0 then
dx := -dx;
Frame:= random(4);
FrameTicks:= random(2000) + 1500;
end;
vgtBulletHit:
begin
dx:= 0;
dy:= 0;
FrameTicks:= 350;
Frame:= 7;
Angle:= 0;
end;
vgtSmoothWindBar:
begin
Angle:= hwFloat2Float(cMaxWindSpeed)*2 / 1440; // seems rate below is supposed to change wind bar at 1px per 10ms. Max time, 1440ms. This tries to match the rate of change
Tag:= hwRound(cWindSpeed * 72 / cMaxWindSpeed);
end;
vgtStraightShot:
begin
Angle:= 0;
Scale:= 1.0;
dx:= 0.001 * random(45);
dy:= 0.001 * (random(20) + 25);
State:= ord(sprHealth);
if random(2) = 0 then
dx := -dx;
Frame:= 0;
FrameTicks:= random(750) + 1250;
State:= ord(sprSnowDust);
end;
end;
if State <> 0 then
gear^.State:= State;
case Gear^.Kind of
vgtFlake: if cFlattenFlakes then
gear^.Layer:= 0
else if random(3) = 0 then
begin
gear^.Scale:= 0.5;
gear^.Layer:= 0 // 33% - far back
end
else if random(3) = 0 then
begin
gear^.Scale:= 0.8;
gear^.Layer:= 4 // 22% - mid-distance
end
else if random(3) <> 0 then
gear^.Layer:= 5 // 30% - just behind land
else if random(2) = 0 then
gear^.Layer:= 6 // 7% - just in front of land
else
begin
gear^.Scale:= 1.5;
gear^.Layer:= 2; // 7% - close up
end;
vgtCloud: if cFlattenClouds then gear^.Layer:= 5
else if random(3) = 0 then
begin
gear^.Scale:= 0.25;
gear^.Layer:= 0
end
else if random(2) = 0 then
gear^.Layer:= 5
else
begin
gear^.Scale:= 0.4;
gear^.Layer:= 4
end;
// 0: this layer is very distant in the background when in stereo
vgtTeamHealthSorter,
vgtSmoothWindBar: gear^.Layer:= 0;
// 1: this layer is on the land level (which is close but behind the screen plane) when stereo
vgtSmokeTrace,
vgtEvilTrace,
vgtLineTrail,
vgtSmoke,
vgtSmokeWhite,
vgtDust,
vgtFire,
vgtSplash,
vgtDroplet,
vgtBubble: gear^.Layer:= 1;
// 3: this layer is on the screen plane (depth = 0) when stereo
vgtSpeechBubble,
vgtSmallDamageTag,
vgtHealthTag,
vgtStraightShot,
vgtChunk: gear^.Layer:= 3;
// 2: this layer is outside the screen when stereo
vgtExplosion,
vgtBigExplosion,
vgtExplPart,
vgtExplPart2,
vgtSteam,
vgtAmmo,
vgtShell,
vgtFeather,
vgtEgg,
vgtBeeTrace,
vgtSmokeRing,
vgtNote,
vgtBulletHit,
vgtCircle: gear^.Layer:= 2
end;
if VisualGearLayers[gear^.Layer] <> nil then
begin
VisualGearLayers[gear^.Layer]^.PrevGear:= gear;
gear^.NextGear:= VisualGearLayers[gear^.Layer]
end;
VisualGearLayers[gear^.Layer]:= gear;
AddVisualGear:= gear;
end;
procedure DeleteVisualGear(Gear: PVisualGear);
begin
FreeTexture(Gear^.Tex);
Gear^.Tex:= nil;
if Gear^.NextGear <> nil then
Gear^.NextGear^.PrevGear:= Gear^.PrevGear;
if Gear^.PrevGear <> nil then
Gear^.PrevGear^.NextGear:= Gear^.NextGear
else
VisualGearLayers[Gear^.Layer]:= Gear^.NextGear;
if lastVisualGearByUID = Gear then
lastVisualGearByUID:= nil;
Dispose(Gear);
end;
function VisualGearByUID(uid : Longword) : PVisualGear;
var vg: PVisualGear;
i: LongWord;
begin
VisualGearByUID:= nil;
if uid = 0 then
exit;
if (lastVisualGearByUID <> nil) and (lastVisualGearByUID^.uid = uid) then
begin
VisualGearByUID:= lastVisualGearByUID;
exit
end;
// search in an order that is more likely to return layers they actually use. Could perhaps track statistically AddVisualGear in uScript, since that is most likely the ones they want
for i:= 2 to 5 do
begin
vg:= VisualGearLayers[i mod 4];
while vg <> nil do
begin
if vg^.uid = uid then
begin
lastVisualGearByUID:= vg;
VisualGearByUID:= vg;
exit
end;
vg:= vg^.NextGear
end
end
end;
end.