diff -r 090269e528df -r da1e7fe7cff7 hedgewars/uGearsUtils.pas --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/hedgewars/uGearsUtils.pas Fri Dec 30 13:54:39 2011 +0400 @@ -0,0 +1,559 @@ +(* + * Hedgewars, a free turn based strategy game + * Copyright (c) 2004-2011 Andrey Korotaev + * + * 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 uGearsUtils; +interface +uses uTypes; + +procedure doMakeExplosion(X, Y, Radius: LongInt; AttackingHog: PHedgehog; Mask: Longword; const Tint: LongWord = $FFFFFFFF); +function ModifyDamage(dmg: Longword; Gear: PGear): Longword; +procedure ApplyDamage(Gear: PGear; AttackerHog: PHedgehog; Damage: Longword; Source: TDamageSource); +procedure spawnHealthTagForHH(HHGear: PGear; dmg: Longword); +procedure HHHurt(Hedgehog: PHedgehog; Source: TDamageSource); +procedure CheckHHDamage(Gear: PGear); +procedure CalcRotationDirAngle(Gear: PGear); +procedure ResurrectHedgehog(gear: PGear); +procedure FindPlace(var Gear: PGear; withFall: boolean; Left, Right: LongInt; skipProximity: boolean = false); +function CheckGearNear(Gear: PGear; Kind: TGearType; rX, rY: LongInt): PGear; +function CheckGearsNear(mX, mY: LongInt; Kind: TGearsType; rX, rY: LongInt): PGear; + + +implementation +uses uFloat, uSound, uCollisions, uUtils, uConsts, uVisualGears, uAIMisc, + uVariables, uLandGraphics, uScript, uStats, uCaptions, uTeams, uStore, + uLocale, uTextures, uRenderUtils, uRandom, uGearsList, SDLh, uDebug; + +procedure doMakeExplosion(X, Y, Radius: LongInt; AttackingHog: PHedgehog; Mask: Longword; const Tint: LongWord); +var Gear: PGear; + dmg, dmgRadius, dmgBase: LongInt; + fX, fY: hwFloat; + vg: PVisualGear; + i, cnt: LongInt; +begin + if Radius > 4 then AddFileLog('Explosion: at (' + inttostr(x) + ',' + inttostr(y) + ')'); + if Radius > 25 then KickFlakes(Radius, X, Y); + + if ((Mask and EXPLNoGfx) = 0) then + begin + vg:= nil; + if Radius > 50 then vg:= AddVisualGear(X, Y, vgtBigExplosion) + else if Radius > 10 then vg:= AddVisualGear(X, Y, vgtExplosion); + if vg <> nil then + vg^.Tint:= Tint; + end; + if (Mask and EXPLAutoSound) <> 0 then PlaySound(sndExplosion); + + if (Mask and EXPLAllDamageInRadius) = 0 then + dmgRadius:= Radius shl 1 + else + dmgRadius:= Radius; + dmgBase:= dmgRadius + cHHRadius div 2; + fX:= int2hwFloat(X); + fY:= int2hwFloat(Y); + Gear:= GearsList; + while Gear <> nil do + begin + dmg:= 0; + //dmg:= dmgRadius + cHHRadius div 2 - hwRound(Distance(Gear^.X - int2hwFloat(X), Gear^.Y - int2hwFloat(Y))); + //if (dmg > 1) and + if (Gear^.State and gstNoDamage) = 0 then + begin + case Gear^.Kind of + gtHedgehog, + gtMine, + gtBall, + gtMelonPiece, + gtGrenade, + gtClusterBomb, + // gtCluster, too game breaking I think + gtSMine, + gtCase, + gtTarget, + gtFlame, + gtExplosives, + gtStructure: begin + // Run the calcs only once we know we have a type that will need damage + if hwRound(hwAbs(Gear^.X-fX)+hwAbs(Gear^.Y-fY)) < dmgBase then + dmg:= dmgBase - max(hwRound(Distance(Gear^.X - fX, Gear^.Y - fY)),Gear^.Radius); + if dmg > 1 then + begin + dmg:= ModifyDamage(min(dmg div 2, Radius), Gear); + //AddFileLog('Damage: ' + inttostr(dmg)); + if (Mask and EXPLNoDamage) = 0 then + begin + if not Gear^.Invulnerable then + ApplyDamage(Gear, AttackingHog, dmg, dsExplosion) + else + Gear^.State:= Gear^.State or gstWinner; + end; + if ((Mask and EXPLDoNotTouchAny) = 0) and (((Mask and EXPLDoNotTouchHH) = 0) or (Gear^.Kind <> gtHedgehog)) then + begin + DeleteCI(Gear); + if Gear^.Kind <> gtHedgehog then + begin + Gear^.dX:= Gear^.dX + SignAs(_0_005 * dmg + cHHKick, Gear^.X - fX)/Gear^.Density; + Gear^.dY:= Gear^.dY + SignAs(_0_005 * dmg + cHHKick, Gear^.Y - fY)/Gear^.Density; + end + else + begin + Gear^.dX:= Gear^.dX + SignAs(_0_005 * dmg + cHHKick, Gear^.X - fX); + Gear^.dY:= Gear^.dY + SignAs(_0_005 * dmg + cHHKick, Gear^.Y - fY); + end; + + Gear^.State:= (Gear^.State or gstMoving) and (not gstLoser); + if not Gear^.Invulnerable then + Gear^.State:= (Gear^.State or gstMoving) and (not gstWinner); + Gear^.Active:= true; + if Gear^.Kind <> gtFlame then FollowGear:= Gear + end; + if ((Mask and EXPLPoisoned) <> 0) and (Gear^.Kind = gtHedgehog) and (not Gear^.Invulnerable) then + Gear^.Hedgehog^.Effects[hePoisoned] := true; + end; + + end; + gtGrave: begin + // Run the calcs only once we know we have a type that will need damage + if hwRound(hwAbs(Gear^.X-fX)+hwAbs(Gear^.Y-fY)) < dmgBase then + dmg:= dmgBase - hwRound(Distance(Gear^.X - fX, Gear^.Y - fY)); + if dmg > 1 then + begin + dmg:= ModifyDamage(min(dmg div 2, Radius), Gear); + Gear^.dY:= - _0_004 * dmg; + Gear^.Active:= true + end + end; + end; + end; + Gear:= Gear^.NextGear + end; + + if (Mask and EXPLDontDraw) = 0 then + if (GameFlags and gfSolidLand) = 0 then + begin + cnt:= DrawExplosion(X, Y, Radius) div 1608; // approx 2 16x16 circles to erase per chunk + if (cnt > 0) and (SpritesData[sprChunk].Texture <> nil) then + for i:= 0 to cnt do + AddVisualGear(X, Y, vgtChunk) + end; + + uAIMisc.AwareOfExplosion(0, 0, 0) +end; + +function ModifyDamage(dmg: Longword; Gear: PGear): Longword; +var i: hwFloat; +begin +(* Invulnerability cannot be placed in here due to still needing kicks + Not without a new damage machine. + King check should be in here instead of ApplyDamage since Tiy wants them kicked less +*) +i:= _1; +if (CurrentHedgehog <> nil) and CurrentHedgehog^.King then i:= _1_5; +if (Gear^.Hedgehog <> nil) and (Gear^.Hedgehog^.King) then + ModifyDamage:= hwRound(_0_01 * cDamageModifier * dmg * i * cDamagePercent * _0_5) +else + ModifyDamage:= hwRound(_0_01 * cDamageModifier * dmg * i * cDamagePercent) +end; + +procedure ApplyDamage(Gear: PGear; AttackerHog: PHedgehog; Damage: Longword; Source: TDamageSource); +var s: shortstring; + vampDmg, tmpDmg, i: Longword; + vg: PVisualGear; +begin + if Damage = 0 then exit; // nothing to apply + + if (Gear^.Kind = gtHedgehog) then + begin + Gear^.LastDamage := AttackerHog; + + Gear^.Hedgehog^.Team^.Clan^.Flawless:= false; + HHHurt(Gear^.Hedgehog, Source); + AddDamageTag(hwRound(Gear^.X), hwRound(Gear^.Y), Damage, Gear^.Hedgehog^.Team^.Clan^.Color); + tmpDmg:= min(Damage, max(0,Gear^.Health-Gear^.Damage)); + if (Gear <> CurrentHedgehog^.Gear) and (CurrentHedgehog^.Gear <> nil) and (tmpDmg >= 1) then + begin + if cVampiric then + begin + vampDmg:= hwRound(int2hwFloat(tmpDmg)*_0_8); + if vampDmg >= 1 then + begin + // was considering pulsing on attack, Tiy thinks it should be permanent while in play + //CurrentHedgehog^.Gear^.State:= CurrentHedgehog^.Gear^.State or gstVampiric; + inc(CurrentHedgehog^.Gear^.Health,vampDmg); + str(vampDmg, s); + s:= '+' + s; + AddCaption(s, CurrentHedgehog^.Team^.Clan^.Color, capgrpAmmoinfo); + RenderHealth(CurrentHedgehog^); + RecountTeamHealth(CurrentHedgehog^.Team); + i:= 0; + while i < vampDmg do + begin + vg:= AddVisualGear(hwRound(CurrentHedgehog^.Gear^.X), hwRound(CurrentHedgehog^.Gear^.Y), vgtStraightShot); + if vg <> nil then + with vg^ do + begin + Tint:= $FF0000FF; + State:= ord(sprHealth) + end; + inc(i, 5); + end; + end + end; + if ((GameFlags and gfKarma) <> 0) and + ((GameFlags and gfInvulnerable) = 0) and + (not CurrentHedgehog^.Gear^.Invulnerable) then + begin // this cannot just use Damage or it interrupts shotgun and gets you called stupid + inc(CurrentHedgehog^.Gear^.Karma, tmpDmg); + CurrentHedgehog^.Gear^.LastDamage := CurrentHedgehog; + spawnHealthTagForHH(CurrentHedgehog^.Gear, tmpDmg); + end; + uStats.HedgehogDamaged(Gear, AttackerHog, Damage, false); + end; + end else if Gear^.Kind <> gtStructure then // not gtHedgehog nor gtStructure + begin + Gear^.Hedgehog:= AttackerHog; + end; + inc(Gear^.Damage, Damage); + + ScriptCall('onGearDamage', Gear^.UID, Damage); +end; + +procedure spawnHealthTagForHH(HHGear: PGear; dmg: Longword); +var tag: PVisualGear; +begin +tag:= AddVisualGear(hwRound(HHGear^.X), hwRound(HHGear^.Y), vgtHealthTag, dmg); +if (tag <> nil) then + tag^.Hedgehog:= HHGear^.Hedgehog; // the tag needs the tag to determine the text color +AllInactive:= false; +HHGear^.Active:= true; +end; + +procedure HHHurt(Hedgehog: PHedgehog; Source: TDamageSource); +begin +if (Source = dsFall) or (Source = dsExplosion) then + case random(3) of + 0: PlaySound(sndOoff1, Hedgehog^.Team^.voicepack); + 1: PlaySound(sndOoff2, Hedgehog^.Team^.voicepack); + 2: PlaySound(sndOoff3, Hedgehog^.Team^.voicepack); + end +else if (Source = dsPoison) then + case random(2) of + 0: PlaySound(sndPoisonCough, Hedgehog^.Team^.voicepack); + 1: PlaySound(sndPoisonMoan, Hedgehog^.Team^.voicepack); + end +else + case random(4) of + 0: PlaySound(sndOw1, Hedgehog^.Team^.voicepack); + 1: PlaySound(sndOw2, Hedgehog^.Team^.voicepack); + 2: PlaySound(sndOw3, Hedgehog^.Team^.voicepack); + 3: PlaySound(sndOw4, Hedgehog^.Team^.voicepack); + end +end; + +procedure CheckHHDamage(Gear: PGear); +var + dmg: Longword; + i: LongInt; + particle: PVisualGear; +begin + if _0_4 < Gear^.dY then + begin + dmg := ModifyDamage(1 + hwRound((hwAbs(Gear^.dY) - _0_4) * 70), Gear); + PlaySound(sndBump); + if dmg < 1 then exit; + + for i:= min(12, (3 + dmg div 10)) downto 0 do + begin + particle := AddVisualGear(hwRound(Gear^.X) - 5 + Random(10), hwRound(Gear^.Y) + 12, vgtDust); + if particle <> nil then particle^.dX := particle^.dX + (Gear^.dX.QWordValue / 21474836480); + end; + + if (Gear^.Invulnerable) then exit; + + //if _0_6 < Gear^.dY then + // PlaySound(sndOw4, Gear^.Hedgehog^.Team^.voicepack) + //else + // PlaySound(sndOw1, Gear^.Hedgehog^.Team^.voicepack); + + if Gear^.LastDamage <> nil then + ApplyDamage(Gear, Gear^.LastDamage, dmg, dsFall) + else + ApplyDamage(Gear, CurrentHedgehog, dmg, dsFall); + end +end; + + +procedure CalcRotationDirAngle(Gear: PGear); +var + dAngle: real; +begin + dAngle := (Gear^.dX.QWordValue + Gear^.dY.QWordValue) / $80000000; + if not Gear^.dX.isNegative then + Gear^.DirAngle := Gear^.DirAngle + dAngle + else + Gear^.DirAngle := Gear^.DirAngle - dAngle; + + if Gear^.DirAngle < 0 then Gear^.DirAngle := Gear^.DirAngle + 360 + else if 360 < Gear^.DirAngle then Gear^.DirAngle := Gear^.DirAngle - 360 +end; + +function CheckGearDrowning(Gear: PGear): boolean; +var + skipSpeed, skipAngle, skipDecay: hwFloat; + i, maxDrops, X, Y: LongInt; + vdX, vdY: real; + particle: PVisualGear; + isSubmersible: boolean; +begin + isSubmersible:= (Gear = CurrentHedgehog^.Gear) and (CurAmmoGear <> nil) and (CurAmmoGear^.AmmoType = amJetpack); + // probably needs tweaking. might need to be in a case statement based upon gear type + Y:= hwRound(Gear^.Y); + if cWaterLine < Y + Gear^.Radius then + begin + skipSpeed := _0_25; + skipAngle := _1_9; + skipDecay := _0_87; + X:= hwRound(Gear^.X); + vdX:= hwFloat2Float(Gear^.dX); + vdY:= hwFloat2Float(Gear^.dY); + // this could perhaps be a tiny bit higher. + if (hwSqr(Gear^.dX) + hwSqr(Gear^.dY) > skipSpeed) and + (hwAbs(Gear^.dX) > skipAngle * hwAbs(Gear^.dY)) then + begin + Gear^.dY.isNegative := true; + Gear^.dY := Gear^.dY * skipDecay; + Gear^.dX := Gear^.dX * skipDecay; + CheckGearDrowning := false; + PlaySound(sndSkip) + end + else + begin + if not isSubmersible then + begin + CheckGearDrowning := true; + Gear^.State := gstDrowning; + Gear^.RenderTimer := false; + if (Gear^.Kind <> gtSniperRifleShot) and (Gear^.Kind <> gtShotgunShot) and + (Gear^.Kind <> gtDEagleShot) and (Gear^.Kind <> gtSineGunShot) then + if Gear^.Kind = gtHedgehog then + begin + if Gear^.Hedgehog^.Effects[heResurrectable] then + ResurrectHedgehog(Gear) + else + begin + Gear^.doStep := @doStepDrowningGear; + Gear^.State := Gear^.State and (not gstHHDriven); + AddCaption(Format(GetEventString(eidDrowned), Gear^.Hedgehog^.Name), cWhiteColor, capgrpMessage); + end + end + else Gear^.doStep := @doStepDrowningGear; + if Gear^.Kind = gtFlake then exit // skip splashes + end; + if ((not isSubmersible) and (Y < cWaterLine + 64 + Gear^.Radius)) or + (isSubmersible and (Y < cWaterLine + 2 + Gear^.Radius) and ((CurAmmoGear^.Pos = 0) and (CurAmmoGear^.dY < _0_01))) then + // don't play splash if they are already way past the surface + PlaySound(sndSplash) + end; + + if ((cReducedQuality and rqPlainSplash) = 0) and + (((not isSubmersible) and (Y < cWaterLine + 64 + Gear^.Radius)) or + (isSubmersible and (Y < cWaterLine + 2 + Gear^.Radius) and ((CurAmmoGear^.Pos = 0) and (CurAmmoGear^.dY < _0_01)))) then + begin + AddVisualGear(X, cWaterLine, vgtSplash); + + maxDrops := (Gear^.Radius div 2) + round(vdX * Gear^.Radius * 2) + round(vdY * Gear^.Radius * 2); + for i:= max(maxDrops div 3, min(32, Random(maxDrops))) downto 0 do + begin + particle := AddVisualGear(X - 3 + Random(6), cWaterLine, vgtDroplet); + if particle <> nil then + begin + particle^.dX := particle^.dX - vdX / 10; + particle^.dY := particle^.dY - vdY / 5; + end + end + end; + if isSubmersible and (CurAmmoGear^.Pos = 0) then CurAmmoGear^.Pos := 1000 + end + else + CheckGearDrowning := false; +end; + + +procedure ResurrectHedgehog(gear: PGear); +var tempTeam : PTeam; +begin + AttackBar:= 0; + gear^.dX := _0; + gear^.dY := _0; + gear^.Damage := 0; + gear^.Health := gear^.Hedgehog^.InitialHealth; + gear^.Hedgehog^.Effects[hePoisoned] := false; + if not CurrentHedgehog^.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; + tempTeam := gear^.Hedgehog^.Team; + DeleteCI(gear); + FindPlace(gear, false, 0, LAND_WIDTH, true); + if gear <> nil then begin + RenderHealth(gear^.Hedgehog^); + ScriptCall('onGearResurrect', gear^.uid); + gear^.State := gstWait; + end; + RecountTeamHealth(tempTeam); +end; + + +procedure FindPlace(var Gear: PGear; withFall: boolean; Left, Right: LongInt; skipProximity: boolean); + + function CountNonZeroz(x, y, r, c: LongInt): LongInt; + var i: LongInt; + count: LongInt = 0; + begin + if (y and LAND_HEIGHT_MASK) = 0 then + for i:= max(x - r, 0) to min(x + r, LAND_WIDTH - 4) do + if Land[y, i] <> 0 then + begin + inc(count); + if count = c then exit(count) + end; + CountNonZeroz:= count; + end; + +var x: LongInt; + y, sy: LongInt; + ar: array[0..511] of TPoint; + ar2: array[0..1023] of TPoint; + cnt, cnt2: Longword; + delta: LongInt; + reallySkip, tryAgain: boolean; +begin +reallySkip:= false; // try not skipping proximity at first +tryAgain:= true; +while tryAgain do + begin + delta:= 250; + cnt2:= 0; + repeat + x:= Left + LongInt(GetRandom(Delta)); + repeat + inc(x, Delta); + cnt:= 0; + y:= min(1024, topY) - 2 * Gear^.Radius; + while y < cWaterLine do + begin + repeat + inc(y, 2); + until (y >= cWaterLine) or (CountNonZeroz(x, y, Gear^.Radius - 1, 1) = 0); + + sy:= y; + + repeat + inc(y); + until (y >= cWaterLine) or (CountNonZeroz(x, y, Gear^.Radius - 1, 1) <> 0); + + if (y - sy > Gear^.Radius * 2) and + (((Gear^.Kind = gtExplosives) + and (y < cWaterLine) + and (reallySkip or (CheckGearsNear(x, y - Gear^.Radius, [gtFlame, gtHedgehog, gtMine, gtCase, gtExplosives], 60, 60) = nil)) + and (CountNonZeroz(x, y+1, Gear^.Radius - 1, Gear^.Radius+1) > Gear^.Radius)) + or + ((Gear^.Kind <> gtExplosives) + and (y < cWaterLine) + and (reallySkip or (CheckGearsNear(x, y - Gear^.Radius, [gtFlame, gtHedgehog, gtMine, gtCase, gtExplosives], 110, 110) = nil)))) then + begin + ar[cnt].X:= x; + if withFall then ar[cnt].Y:= sy + Gear^.Radius + else ar[cnt].Y:= y - Gear^.Radius; + inc(cnt) + end; + + inc(y, 45) + end; + + if cnt > 0 then + with ar[GetRandom(cnt)] do + begin + ar2[cnt2].x:= x; + ar2[cnt2].y:= y; + inc(cnt2) + end + until (x + Delta > Right); + + dec(Delta, 60) + until (cnt2 > 0) or (Delta < 70); + if (cnt2 = 0) and skipProximity and (not reallySkip) then tryAgain:= true + else tryAgain:= false; + reallySkip:= true; + end; + +if cnt2 > 0 then + with ar2[GetRandom(cnt2)] do + begin + Gear^.X:= int2hwFloat(x); + Gear^.Y:= int2hwFloat(y); + AddFileLog('Assigned Gear coordinates (' + inttostr(x) + ',' + inttostr(y) + ')'); + end + else + begin + OutError('Can''t find place for Gear', false); + if Gear^.Kind = gtHedgehog then Gear^.Hedgehog^.Effects[heResurrectable] := false; + DeleteGear(Gear); + Gear:= nil + end +end; + +function CheckGearNear(Gear: PGear; Kind: TGearType; rX, rY: LongInt): PGear; +var t: PGear; +begin +t:= GearsList; +rX:= sqr(rX); +rY:= sqr(rY); + +while t <> nil do + begin + if (t <> Gear) and (t^.Kind = Kind) then + if not((hwSqr(Gear^.X - t^.X) / rX + hwSqr(Gear^.Y - t^.Y) / rY) > _1) then + exit(t); + t:= t^.NextGear + end; + +CheckGearNear:= nil +end; + + +function CheckGearsNear(mX, mY: LongInt; Kind: TGearsType; rX, rY: LongInt): PGear; +var t: PGear; +begin +t:= GearsList; +rX:= sqr(rX); +rY:= sqr(rY); +while t <> nil do + begin + if t^.Kind in Kind then + if not (hwSqr(int2hwFloat(mX) - t^.X) / rX + hwSqr(int2hwFloat(mY) - t^.Y) / rY > _1) then + exit(t); + t:= t^.NextGear + end; +CheckGearsNear:= nil +end; +end.