Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
(*
* Hedgewars, a free turn based strategy game
* Copyright (c) 2004-2012 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 uGearsList;
interface
uses uFloat, uTypes;
function AddGear(X, Y: LongInt; Kind: TGearType; State: Longword; dX, dY: hwFloat; Timer: LongWord): PGear;
procedure DeleteGear(Gear: PGear);
procedure InsertGearToList(Gear: PGear);
procedure RemoveGearFromList(Gear: PGear);
implementation
uses uRandom, uUtils, uConsts, uVariables, uAmmos, uTeams, uStats,
uTextures, uScript, uRenderUtils, uAI, uCollisions,
uGearsRender, uGearsUtils;
procedure InsertGearToList(Gear: PGear);
var tmp, ptmp: PGear;
begin
tmp:= GearsList;
ptmp:= GearsList;
while (tmp <> nil) and (tmp^.Z <= Gear^.Z) do
begin
ptmp:= tmp;
tmp:= tmp^.NextGear
end;
if ptmp <> tmp then
begin
Gear^.NextGear:= ptmp^.NextGear;
Gear^.PrevGear:= ptmp;
if ptmp^.NextGear <> nil then
ptmp^.NextGear^.PrevGear:= Gear;
ptmp^.NextGear:= Gear
end
else
begin
Gear^.NextGear:= GearsList;
if Gear^.NextGear <> nil then
Gear^.NextGear^.PrevGear:= Gear;
GearsList:= Gear;
end;
end;
procedure RemoveGearFromList(Gear: PGear);
begin
if Gear^.NextGear <> nil then
Gear^.NextGear^.PrevGear:= Gear^.PrevGear;
if Gear^.PrevGear <> nil then
Gear^.PrevGear^.NextGear:= Gear^.NextGear
else
GearsList:= Gear^.NextGear
end;
function AddGear(X, Y: LongInt; Kind: TGearType; State: Longword; dX, dY: hwFloat; Timer: LongWord): PGear;
const Counter: Longword = 0;
var gear: PGear;
begin
inc(Counter);
AddFileLog('AddGear: #' + inttostr(Counter) + ' (' + inttostr(x) + ',' + inttostr(y) + '), d(' + floattostr(dX) + ',' + floattostr(dY) + ') type = ' + EnumToStr(Kind));
New(gear);
FillChar(gear^, sizeof(TGear), 0);
gear^.X:= int2hwFloat(X);
gear^.Y:= int2hwFloat(Y);
gear^.Target.X:= NoPointX;
gear^.Kind := Kind;
gear^.State:= State;
gear^.Active:= true;
gear^.dX:= dX;
gear^.dY:= dY;
gear^.doStep:= doStepHandlers[Kind];
gear^.CollisionIndex:= -1;
gear^.Timer:= Timer;
gear^.FlightTime:= 0;
gear^.uid:= Counter;
gear^.SoundChannel:= -1;
gear^.ImpactSound:= sndNone;
gear^.nImpactSounds:= 0;
gear^.Density:= _1;
// Define ammo association, if any.
gear^.AmmoType:= GearKindAmmoTypeMap[Kind];
if Ammoz[Gear^.AmmoType].Ammo.Propz and ammoprop_NeedTarget <> 0 then
gear^.Z:= cHHZ+1
else gear^.Z:= cUsualZ;
if CurrentHedgehog <> nil then
begin
gear^.Hedgehog:= CurrentHedgehog;
gear^.IntersectGear:= CurrentHedgehog^.Gear
end;
case Kind of
gtGrenade,
gtClusterBomb,
gtGasBomb: begin
gear^.ImpactSound:= sndGrenadeImpact;
gear^.nImpactSounds:= 1;
gear^.AdvBounce:= 1;
gear^.Radius:= 5;
gear^.Elasticity:= _0_8;
gear^.Friction:= _0_8;
gear^.Density:= _1_5;
gear^.RenderTimer:= true;
if gear^.Timer = 0 then
gear^.Timer:= 3000
end;
gtWatermelon: begin
gear^.ImpactSound:= sndMelonImpact;
gear^.nImpactSounds:= 1;
gear^.AdvBounce:= 1;
gear^.Radius:= 6;
gear^.Elasticity:= _0_8;
gear^.Friction:= _0_995;
gear^.Density:= _2;
gear^.RenderTimer:= true;
if gear^.Timer = 0 then
gear^.Timer:= 3000
end;
gtMelonPiece: begin
gear^.Density:= _2;
end;
gtHedgehog: begin
gear^.AdvBounce:= 1;
gear^.Radius:= cHHRadius;
gear^.Elasticity:= _0_35;
gear^.Friction:= _0_999;
gear^.Angle:= cMaxAngle div 2;
gear^.Density:= _3;
gear^.Z:= cHHZ;
if (GameFlags and gfAISurvival) <> 0 then
if gear^.Hedgehog^.BotLevel > 0 then
gear^.Hedgehog^.Effects[heResurrectable] := true;
end;
gtShell: begin
gear^.Radius:= 4;
gear^.Density:= _1;
end;
gtSnowball: begin
gear^.ImpactSound:= sndMudballImpact;
gear^.nImpactSounds:= 1;
gear^.Radius:= 4;
gear^.Elasticity:= _1;
gear^.Friction:= _1;
gear^.Density:= _0_5;
end;
gtFlake: begin
with Gear^ do
begin
Pos:= 0;
Radius:= 1;
DirAngle:= random * 360;
if State and gstTmpFlag = 0 then
begin
dx.isNegative:= GetRandom(2) = 0;
dx.QWordValue:= GetRandom(100000000);
dy.isNegative:= false;
dy.QWordValue:= GetRandom(70000000);
if GetRandom(2) = 0 then
dx := -dx
end;
State:= State or gstInvisible;
Health:= random(vobFrameTicks);
Timer:= random(vobFramesCount);
Angle:= (random(2) * 2 - 1) * (1 + random(10000)) * vobVelocity
end
end;
gtGrave: begin
gear^.ImpactSound:= sndGraveImpact;
gear^.nImpactSounds:= 1;
gear^.Radius:= 10;
gear^.Elasticity:= _0_6;
end;
gtBee: begin
gear^.Radius:= 5;
gear^.Timer:= 500;
gear^.RenderTimer:= true;
gear^.Elasticity:= _0_9;
gear^.Tag:= 0;
end;
gtSeduction: begin
gear^.Radius:= 250;
end;
gtShotgunShot: begin
gear^.Timer:= 900;
gear^.Radius:= 2
end;
gtPickHammer: begin
gear^.Radius:= 10;
gear^.Timer:= 4000
end;
gtHammerHit: begin
gear^.Radius:= 8;
gear^.Timer:= 125
end;
gtRope: begin
gear^.Radius:= 3;
gear^.Friction:= _450 * _0_01 * cRopePercent;
RopePoints.Count:= 0;
end;
gtMine: begin
gear^.ImpactSound:= sndMineImpact;
gear^.nImpactSounds:= 1;
gear^.Health:= 10;
gear^.State:= gear^.State or gstMoving;
gear^.Radius:= 2;
gear^.Elasticity:= _0_55;
gear^.Friction:= _0_995;
gear^.Density:= _0_9;
if cMinesTime < 0 then
gear^.Timer:= getrandom(51)*100
else
gear^.Timer:= cMinesTime;
end;
gtSMine: begin
gear^.Health:= 10;
gear^.State:= gear^.State or gstMoving;
gear^.Radius:= 2;
gear^.Elasticity:= _0_55;
gear^.Friction:= _0_995;
gear^.Density:= _0_9;
gear^.Timer:= 500;
end;
gtCase: begin
gear^.ImpactSound:= sndGraveImpact;
gear^.nImpactSounds:= 1;
gear^.Radius:= 16;
gear^.Elasticity:= _0_3
end;
gtExplosives: begin
gear^.ImpactSound:= sndGrenadeImpact;
gear^.nImpactSounds:= 1;
gear^.Radius:= 16;
gear^.Elasticity:= _0_4;
gear^.Friction:= _0_995;
gear^.Density:= _6;
gear^.Health:= cBarrelHealth;
gear^.Z:= cHHZ-1
end;
gtDEagleShot: begin
gear^.Radius:= 1;
gear^.Health:= 50
end;
gtSniperRifleShot: begin
gear^.Radius:= 1;
gear^.Health:= 50
end;
gtDynamite: begin
gear^.Radius:= 3;
gear^.Elasticity:= _0_55;
gear^.Friction:= _0_03;
gear^.Density:= _2;
gear^.Timer:= 5000;
end;
gtCluster: begin
gear^.Radius:= 2;
gear^.Density:= _1_5;
gear^.RenderTimer:= true
end;
gtShover: gear^.Radius:= 20;
gtFlame: begin
gear^.Tag:= GetRandom(32);
gear^.Radius:= 1;
gear^.Health:= 5;
gear^.Density:= _1;
if (gear^.dY.QWordValue = 0) and (gear^.dX.QWordValue = 0) then
begin
gear^.dY:= (getrandom - _0_8) * _0_03;
gear^.dX:= (getrandom - _0_5) * _0_4
end
end;
gtFirePunch: begin
gear^.Radius:= 15;
gear^.Tag:= Y
end;
gtAirBomb: begin
gear^.Radius:= 5;
gear^.Density:= _2;
end;
gtBlowTorch: begin
gear^.Radius:= cHHRadius + cBlowTorchC;
gear^.Timer:= 7500
end;
gtSwitcher: begin
gear^.Z:= cCurrHHZ
end;
gtTarget: begin
gear^.ImpactSound:= sndGrenadeImpact;
gear^.nImpactSounds:= 1;
gear^.Radius:= 10;
gear^.Elasticity:= _0_3;
gear^.Timer:= 0
end;
gtTardis: begin
gear^.Timer:= 0;
gear^.Pos:= 1;
gear^.Z:= cCurrHHZ+1;
end;
gtMortar: begin
gear^.Radius:= 4;
gear^.Elasticity:= _0_2;
gear^.Friction:= _0_08;
gear^.Density:= _1;
end;
gtWhip: gear^.Radius:= 20;
gtHammer: gear^.Radius:= 20;
gtKamikaze: begin
gear^.Health:= 2048;
gear^.Radius:= 20
end;
gtCake: begin
gear^.Health:= 2048;
gear^.Radius:= 7;
gear^.Z:= cOnHHZ;
gear^.RenderTimer:= true;
gear^.DirAngle:= -90 * hwSign(Gear^.dX);
if not dX.isNegative then
gear^.Angle:= 1
else
gear^.Angle:= 3
end;
gtHellishBomb: begin
gear^.ImpactSound:= sndHellishImpact1;
gear^.nImpactSounds:= 4;
gear^.AdvBounce:= 1;
gear^.Radius:= 4;
gear^.Elasticity:= _0_5;
gear^.Friction:= _0_96;
gear^.Density:= _1_5;
gear^.RenderTimer:= true;
gear^.Timer:= 5000
end;
gtDrill: begin
if gear^.Timer = 0 then
gear^.Timer:= 5000;
// Tag for drill strike. if 1 then first impact occured already
gear^.Tag := 0;
gear^.Radius:= 4;
gear^.Density:= _1;
end;
gtBall: begin
gear^.ImpactSound:= sndGrenadeImpact;
gear^.nImpactSounds:= 1;
gear^.AdvBounce:= 1;
gear^.Radius:= 5;
gear^.Tag:= random(8);
gear^.Timer:= 5000;
gear^.Elasticity:= _0_7;
gear^.Friction:= _0_995;
gear^.Density:= _1_5;
end;
gtBallgun: begin
gear^.Timer:= 5001;
end;
gtRCPlane: begin
gear^.Timer:= 15000;
gear^.Health:= 3;
gear^.Radius:= 8
end;
gtJetpack: begin
gear^.Health:= 2000;
gear^.Damage:= 100
end;
gtMolotov: begin
gear^.Radius:= 6;
gear^.Density:= _2;
end;
gtBirdy: begin
gear^.Radius:= 16; // todo: check
gear^.Timer:= 0;
gear^.Health := 2000;
gear^.FlightTime := 2;
end;
gtEgg: begin
gear^.Radius:= 4;
gear^.Elasticity:= _0_6;
gear^.Friction:= _0_96;
gear^.Density:= _1;
if gear^.Timer = 0 then
gear^.Timer:= 3000
end;
gtPortal: begin
gear^.ImpactSound:= sndMelonImpact;
gear^.nImpactSounds:= 1;
gear^.AdvBounce:= 0;
gear^.Radius:= 17;
// set color
gear^.Tag:= 2 * gear^.Timer;
gear^.Timer:= 15000;
gear^.RenderTimer:= false;
gear^.Health:= 100;
end;
gtPiano: begin
gear^.Radius:= 32;
gear^.Density:= _50;
end;
gtSineGunShot: begin
gear^.Radius:= 5;
gear^.Health:= 6000;
end;
gtFlamethrower: begin
gear^.Tag:= 10;
gear^.Timer:= 10;
gear^.Health:= 500;
gear^.Damage:= 100;
end;
gtLandGun: begin
gear^.Tag:= 10;
gear^.Timer:= 10;
gear^.Health:= 1000;
gear^.Damage:= 100;
end;
gtPoisonCloud: begin
gear^.Timer:= 5000;
gear^.dY:= int2hwfloat(-4 + longint(getRandom(8))) / 1000;
end;
gtResurrector: begin
gear^.Radius := 100;
gear^.Tag := 0
end;
gtWaterUp: begin
gear^.Tag := 47;
end;
gtNapalmBomb: begin
gear^.Timer:= 1000;
gear^.Radius:= 5;
gear^.Density:= _1_5;
end;
gtStructure: begin
gear^.Elasticity:= _0_55;
gear^.Friction:= _0_995;
gear^.Density:= _0_9;
gear^.Radius:= 13;
gear^.Health:= 200;
gear^.Timer:= 0;
gear^.Tag:= TotalRounds + 3;
gear^.Pos:= 1;
end;
end;
InsertGearToList(gear);
AddGear:= gear;
ScriptCall('onGearAdd', gear^.uid);
end;
procedure DeleteGear(Gear: PGear);
var team: PTeam;
t,i: Longword;
k: boolean;
begin
ScriptCall('onGearDelete', gear^.uid);
DeleteCI(Gear);
FreeTexture(Gear^.Tex);
Gear^.Tex:= nil;
// make sure that portals have their link removed before deletion
if (Gear^.Kind = gtPortal) then
begin
if (Gear^.IntersectGear <> nil) then
if (Gear^.IntersectGear^.IntersectGear = Gear) then
Gear^.IntersectGear^.IntersectGear:= nil;
end
else if Gear^.Kind = gtHedgehog then
(*
This behaviour dates back to revision 4, and I accidentally encountered it with TARDIS. I don't think it must apply to any modern weapon, since if it was actually hit, the best the gear could do would be to destroy itself immediately, and you'd still end up with two graves. I believe it should be removed
if (CurAmmoGear <> nil) and (CurrentHedgehog^.Gear = Gear) then
begin
AttackBar:= 0;
Gear^.Message:= gmDestroy;
CurAmmoGear^.Message:= gmDestroy;
exit
end
else*)
begin
if (Gear <> CurrentHedgehog^.Gear) or (CurAmmoGear = nil) or (CurAmmoGear^.Kind <> gtKamikaze) then
Gear^.Hedgehog^.Team^.Clan^.Flawless:= false;
if (hwRound(Gear^.Y) >= cWaterLine) then
begin
t:= max(Gear^.Damage, Gear^.Health);
Gear^.Damage:= t;
if ((not SuddenDeathDmg and (cWaterOpacity < $FF)) or (SuddenDeathDmg and (cWaterOpacity < $FF)))
and (hwRound(Gear^.Y) < cWaterLine + 256) then
spawnHealthTagForHH(Gear, t);
end;
team:= Gear^.Hedgehog^.Team;
if CurrentHedgehog^.Gear = Gear then
begin
AttackBar:= 0;
FreeActionsList; // to avoid ThinkThread on drawned gear
if ((Ammoz[CurrentHedgehog^.CurAmmoType].Ammo.Propz and ammoprop_NoRoundEnd) <> 0)
and (CurrentHedgehog^.MultiShootAttacks > 0) then
OnUsedAmmo(CurrentHedgehog^);
end;
Gear^.Hedgehog^.Gear:= nil;
if Gear^.Hedgehog^.King then
begin
// are there any other kings left? Just doing nil check. Presumably a mortally wounded king will get reaped soon enough
k:= false;
for i:= 0 to Pred(team^.Clan^.TeamsNumber) do
if (team^.Clan^.Teams[i]^.Hedgehogs[0].Gear <> nil) then
k:= true;
if not k then
for i:= 0 to Pred(team^.Clan^.TeamsNumber) do
begin
team^.Clan^.Teams[i]^.hasGone:= true;
TeamGoneEffect(team^.Clan^.Teams[i]^)
end
end;
// should be not CurrentHedgehog, but hedgehog of the last gear which caused damage to this hog
// same stand for CheckHHDamage
if (Gear^.LastDamage <> nil) then
uStats.HedgehogDamaged(Gear, Gear^.LastDamage, 0, true)
else
uStats.HedgehogDamaged(Gear, CurrentHedgehog, 0, true);
inc(KilledHHs);
RecountTeamHealth(team);
if (CurrentHedgehog <> nil) and CurrentHedgehog^.Effects[heResurrectable] and
(not Gear^.Hedgehog^.Effects[heResurrectable]) then
with CurrentHedgehog^ do
begin
inc(Team^.stats.AIKills);
FreeTexture(Team^.AIKillsTex);
Team^.AIKillsTex := RenderStringTex(inttostr(Team^.stats.AIKills), Team^.Clan^.Color, fnt16);
end
end;
with Gear^ do
AddFileLog('Delete: #' + inttostr(uid) + ' (' + inttostr(hwRound(x)) + ',' + inttostr(hwRound(y)) + '), d(' + floattostr(dX) + ',' + floattostr(dY) + ') type = ' + EnumToStr(Kind));
if CurAmmoGear = Gear then
CurAmmoGear:= nil;
if FollowGear = Gear then
FollowGear:= nil;
if lastGearByUID = Gear then
lastGearByUID := nil;
RemoveGearFromList(Gear);
Dispose(Gear)
end;
end.