hedgewars/uVisualGearsHandlers.pas
branchwebgl
changeset 9521 8054d9d775fd
parent 9127 e350500c4edb
parent 9283 76e68c136a11
child 9950 2759212a27de
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hedgewars/uVisualGearsHandlers.pas	Fri Oct 11 17:43:13 2013 +0200
@@ -0,0 +1,907 @@
+(*
+ * 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
+ *)
+
+(*
+ * This file contains the step handlers for visual gears.
+ *
+ * Since the effects of visual gears do not affect the course of the game,
+ * no "synchronization" between players is required.
+ * => The usage of safe functions or data types (e.g. GetRandom() or hwFloat)
+ * is usually not necessary and therefore undesirable.
+ *)
+ 
+{$INCLUDE "options.inc"} 
+ 
+unit uVisualGearsHandlers;
+
+interface
+uses uTypes;
+
+var doStepHandlers: array[TVisualGearType] of TVGearStepProcedure;
+
+procedure doStepFlake(Gear: PVisualGear; Steps: Longword);
+procedure doStepBeeTrace(Gear: PVisualGear; Steps: Longword);
+procedure doStepCloud(Gear: PVisualGear; Steps: Longword);
+procedure doStepExpl(Gear: PVisualGear; Steps: Longword);
+procedure doStepNote(Gear: PVisualGear; Steps: Longword);
+procedure doStepLineTrail(Gear: PVisualGear; Steps: Longword);
+procedure doStepEgg(Gear: PVisualGear; Steps: Longword);
+procedure doStepFire(Gear: PVisualGear; Steps: Longword);
+procedure doStepShell(Gear: PVisualGear; Steps: Longword);
+procedure doStepSmallDamage(Gear: PVisualGear; Steps: Longword);
+procedure doStepBubble(Gear: PVisualGear; Steps: Longword);
+procedure doStepSteam(Gear: PVisualGear; Steps: Longword);
+procedure doStepAmmo(Gear: PVisualGear; Steps: Longword);
+procedure doStepSmoke(Gear: PVisualGear; Steps: Longword);
+procedure doStepDust(Gear: PVisualGear; Steps: Longword);
+procedure doStepSplash(Gear: PVisualGear; Steps: Longword);
+procedure doStepDroplet(Gear: PVisualGear; Steps: Longword);
+procedure doStepSmokeRing(Gear: PVisualGear; Steps: Longword);
+procedure doStepFeather(Gear: PVisualGear; Steps: Longword);
+procedure doStepTeamHealthSorterWork(Gear: PVisualGear; Steps: Longword);
+procedure doStepTeamHealthSorter(Gear: PVisualGear; Steps: Longword);
+procedure doStepSpeechBubbleWork(Gear: PVisualGear; Steps: Longword);
+procedure doStepSpeechBubble(Gear: PVisualGear; Steps: Longword);
+procedure doStepHealthTagWork(Gear: PVisualGear; Steps: Longword);
+procedure doStepHealthTagWorkUnderWater(Gear: PVisualGear; Steps: Longword);
+procedure doStepHealthTag(Gear: PVisualGear; Steps: Longword);
+procedure doStepSmokeTrace(Gear: PVisualGear; Steps: Longword);
+procedure doStepExplosionWork(Gear: PVisualGear; Steps: Longword);
+procedure doStepExplosion(Gear: PVisualGear; Steps: Longword);
+procedure doStepBigExplosionWork(Gear: PVisualGear; Steps: Longword);
+procedure doStepBigExplosion(Gear: PVisualGear; Steps: Longword);
+procedure doStepChunk(Gear: PVisualGear; Steps: Longword);
+procedure doStepBulletHit(Gear: PVisualGear; Steps: Longword);
+procedure doStepCircle(Gear: PVisualGear; Steps: Longword);
+procedure doStepSmoothWindBar(Gear: PVisualGear; Steps: Longword);
+procedure doStepStraightShot(Gear: PVisualGear; Steps: Longword);
+
+procedure initModule;
+
+implementation
+uses uVariables, Math, uConsts, uVisualGearsList, uFloat, uSound, uRenderUtils, uWorld;
+
+procedure doStepFlake(Gear: PVisualGear; Steps: Longword);
+var sign: real;
+    moved: boolean;
+begin
+if vobCount = 0 then exit;
+
+sign:= 1;
+with Gear^ do
+    begin
+    inc(FrameTicks, Steps);
+    if not SuddenDeathDmg and (FrameTicks > vobFrameTicks) then
+        begin
+        dec(FrameTicks, vobFrameTicks);
+        inc(Frame);
+        if Frame = vobFramesCount then
+            Frame:= 0
+        end
+    else if SuddenDeathDmg and (FrameTicks > vobSDFrameTicks) then
+        begin
+        dec(FrameTicks, vobSDFrameTicks);
+        inc(Frame);
+        if Frame = vobSDFramesCount then
+            Frame:= 0
+        end;
+    X:= X + (cWindSpeedf * 400 + dX + tdX) * Steps * Gear^.Scale;
+    if SuddenDeathDmg then
+        Y:= Y + (dY + tdY + cGravityf * vobSDFallSpeed) * Steps * Gear^.Scale
+    else
+        Y:= Y + (dY + tdY + cGravityf * vobFallSpeed) * Steps * Gear^.Scale;
+    Angle:= Angle + dAngle * Steps;
+    if Angle > 360 then
+        Angle:= Angle - 360
+    else
+        if Angle < - 360 then
+            Angle:= Angle + 360;
+
+
+    if (round(X) >= cLeftScreenBorder)
+    and (round(X) <= cRightScreenBorder)
+    and (round(Y) - 75 <= LAND_HEIGHT)
+    and (Timer > 0) and (Timer-Steps > 0) then
+        begin
+        if tdX > 0 then
+            sign := 1
+        else
+            sign:= -1;
+        tdX:= tdX - 0.005*Steps*sign;
+        if ((sign < 0) and (tdX > 0)) or ((sign > 0) and (tdX < 0)) then
+            tdX:= 0;
+        if tdX > 0 then
+            sign := 1
+        else
+            sign:= -1;
+        tdY:= tdY - 0.005*Steps*sign;
+        if ((sign < 0) and (tdY > 0)) or ((sign > 0) and (tdY < 0)) then
+            tdY:= 0;
+        dec(Timer, Steps)
+        end
+    else
+        begin
+        moved:= false;
+        if round(X) < cLeftScreenBorder then
+            begin
+            X:= X + cScreenSpace;
+            moved:= true
+            end
+        else
+            if round(X) > cRightScreenBorder then
+                begin
+                X:= X - cScreenSpace;
+                moved:= true
+                end;
+            // if round(Y) < (LAND_HEIGHT - 1024 - 75) then Y:= Y + 25.0; // For if flag is set for flakes rising upwards?
+        if (Gear^.Layer = 2) and (round(Y) - 225 > LAND_HEIGHT) then
+            begin
+            X:= cLeftScreenBorder + random(cScreenSpace);
+            Y:= Y - (1024 + 250 + random(50)); // TODO - configure in theme (jellies for example could use limited range)
+            moved:= true
+            end
+        else if (Gear^.Layer <> 2) and (round(Y) + 50 > LAND_HEIGHT) then
+            begin
+            X:= cLeftScreenBorder + random(cScreenSpace);
+            Y:= Y - (1024 + random(25));
+            moved:= true
+            end;
+        if moved then
+            begin
+            Angle:= random(360);
+            dx:= 0.0000038654705 * random(10000);
+            dy:= 0.000003506096 * random(7000);
+            if random(2) = 0 then dx := -dx
+            end;
+        Timer:= 0;
+        tdX:= 0;
+        tdY:= 0
+        end;
+    end;
+
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepBeeTrace(Gear: PVisualGear; Steps: Longword);
+begin
+if Gear^.FrameTicks > Steps then
+    dec(Gear^.FrameTicks, Steps)
+else
+    DeleteVisualGear(Gear);
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepCloud(Gear: PVisualGear; Steps: Longword);
+var s: Longword;
+    t: real;
+begin
+Gear^.X:= Gear^.X + (cWindSpeedf * 750 * Gear^.dX * Gear^.Scale) * Steps;
+
+// up-and-down-bounce magic
+s := (GameTicks + Gear^.Timer) mod 4096;
+t := 8 * Gear^.Scale * hwFloat2Float(AngleSin(s mod 2048));
+if (s < 2048) then t := -t;
+
+Gear^.Y := LAND_HEIGHT - 1184 + LongInt(Gear^.Timer mod 8) + t;
+
+if round(Gear^.X) < cLeftScreenBorder then
+    Gear^.X:= Gear^.X + cScreenSpace
+else
+    if round(Gear^.X) > cRightScreenBorder then
+        Gear^.X:= Gear^.X - cScreenSpace
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepExpl(Gear: PVisualGear; Steps: Longword);
+var s: LongInt;
+begin
+s:= min(Steps, cExplFrameTicks);
+
+Gear^.X:= Gear^.X + Gear^.dX * s;
+Gear^.Y:= Gear^.Y + Gear^.dY * s;
+//Gear^.dY:= Gear^.dY + cGravityf;
+
+if Gear^.FrameTicks <= Steps then
+    if Gear^.Frame = 0 then
+        DeleteVisualGear(Gear)
+    else
+        begin
+        dec(Gear^.Frame);
+        Gear^.FrameTicks:= cExplFrameTicks
+        end
+    else dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepNote(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+
+Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
+Gear^.dY:= Gear^.dY + cGravityf * Steps / 2;
+
+Gear^.Angle:= Gear^.Angle + (Gear^.Frame + 1) * Steps / 10;
+while Gear^.Angle > cMaxAngle do
+    Gear^.Angle:= Gear^.Angle - cMaxAngle;
+
+if Gear^.FrameTicks <= Steps then
+    DeleteVisualGear(Gear)
+else
+    dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepLineTrail(Gear: PVisualGear; Steps: Longword);
+begin
+{$IFNDEF PAS2C}
+Steps := Steps;
+{$ENDIF}
+if Gear^.Timer <= Steps then
+    DeleteVisualGear(Gear)
+else
+    dec(Gear^.Timer, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepEgg(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+
+Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
+Gear^.dY:= Gear^.dY + cGravityf * Steps;
+
+Gear^.Angle:= round(Gear^.Angle + Steps) mod cMaxAngle;
+
+if Gear^.FrameTicks <= Steps then
+    begin
+    DeleteVisualGear(Gear);
+    exit
+    end
+else
+    dec(Gear^.FrameTicks, Steps);
+
+if Gear^.FrameTicks < $FF then
+   Gear^.Tint:= (Gear^.Tint and $FFFFFF00) or Gear^.FrameTicks
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepFire(Gear: PVisualGear; Steps: Longword);
+var vgt: PVisualGear;
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+
+Gear^.Y:= Gear^.Y + Gear^.dY * Steps;// + cGravityf * (Steps * Steps);
+if (Gear^.State and gstTmpFlag) = 0 then
+    begin
+    Gear^.dY:= Gear^.dY + cGravityf * Steps;
+    if ((GameTicks mod 200) < Steps + 1) then
+        begin
+        vgt:= AddVisualGear(round(Gear^.X), round(Gear^.Y), vgtFire);
+        if vgt <> nil then
+            begin
+            vgt^.dx:= 0;
+            vgt^.dy:= 0;
+            vgt^.State:= gstTmpFlag;
+            end;
+        end
+    end
+else
+    inc(Steps, Steps);
+
+if Gear^.FrameTicks <= Steps then
+       DeleteVisualGear(Gear)
+else
+    dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepShell(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+
+Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
+Gear^.dY:= Gear^.dY + cGravityf * Steps;
+
+Gear^.Angle:= round(Gear^.Angle + Steps) mod cMaxAngle;
+
+if Gear^.FrameTicks <= Steps then
+    DeleteVisualGear(Gear)
+else
+    dec(Gear^.FrameTicks, Steps)
+end;
+
+procedure doStepSmallDamage(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.Y:= Gear^.Y - 0.02 * Steps;
+
+if Gear^.FrameTicks <= Steps then
+    DeleteVisualGear(Gear)
+else
+    dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepBubble(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
+Gear^.Y:= Gear^.Y - cDrownSpeedf * Steps;
+Gear^.dX := Gear^.dX / (1.001 * Steps);
+Gear^.dY := Gear^.dY / (1.001 * Steps);
+
+if (Gear^.FrameTicks <= Steps) or (round(Gear^.Y) < cWaterLine) then
+    DeleteVisualGear(Gear)
+else
+    dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepSteam(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + (cWindSpeedf * 100 + Gear^.dX) * Steps;
+Gear^.Y:= Gear^.Y - cDrownSpeedf * Steps;
+
+if Gear^.FrameTicks <= Steps then
+    if Gear^.Frame = 0 then
+        DeleteVisualGear(Gear)
+    else
+        begin
+        if Random(2) = 0 then
+            dec(Gear^.Frame);
+        Gear^.FrameTicks:= cExplFrameTicks
+        end
+else dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepAmmo(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.Y:= Gear^.Y - cDrownSpeedf * Steps;
+
+Gear^.scale:= Gear^.scale + 0.0025 * Steps;
+Gear^.alpha:= Gear^.alpha - 0.0015 * Steps;
+
+if Gear^.alpha < 0 then
+    DeleteVisualGear(Gear)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepSmoke(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + (cWindSpeedf + Gear^.dX) * Steps;
+Gear^.Y:= Gear^.Y - (cDrownSpeedf + Gear^.dY) * Steps;
+
+Gear^.dX := Gear^.dX + (cWindSpeedf * 0.3 * Steps);
+//Gear^.dY := Gear^.dY - (cDrownSpeedf * 0.995);
+
+if Gear^.FrameTicks <= Steps then
+    if Gear^.Frame = 0 then
+        DeleteVisualGear(Gear)
+    else
+        begin
+        if Random(2) = 0 then
+            dec(Gear^.Frame);
+        Gear^.FrameTicks:= cExplFrameTicks
+        end
+    else dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepDust(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + (cWindSpeedf + (cWindSpeedf * 0.03 * Steps) + Gear^.dX) * Steps;
+Gear^.Y:= Gear^.Y - (Gear^.dY) * Steps;
+
+Gear^.dX := Gear^.dX - (Gear^.dX * 0.005 * Steps);
+Gear^.dY := Gear^.dY - (cDrownSpeedf * 0.001 * Steps);
+
+if Gear^.FrameTicks <= Steps then
+    if Gear^.Frame = 0 then
+            DeleteVisualGear(Gear)
+    else
+        begin
+        dec(Gear^.Frame);
+        Gear^.FrameTicks:= cExplFrameTicks
+        end
+    else dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepSplash(Gear: PVisualGear; Steps: Longword);
+begin
+if Gear^.FrameTicks <= Steps then
+    DeleteVisualGear(Gear)
+else
+    dec(Gear^.FrameTicks, Steps);
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepDroplet(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+
+Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
+Gear^.dY:= Gear^.dY + cGravityf * Steps;
+
+if round(Gear^.Y) > cWaterLine then
+    begin
+    DeleteVisualGear(Gear);
+    PlaySound(TSound(ord(sndDroplet1) + Random(3)));
+    end;
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepSmokeRing(Gear: PVisualGear; Steps: Longword);
+begin
+inc(Gear^.Timer, Steps);
+if Gear^.Timer >= Gear^.FrameTicks then
+    DeleteVisualGear(Gear)
+else
+    begin
+    Gear^.scale := 1.25 * (-power(2, -10 * Int(Gear^.Timer)/Gear^.FrameTicks) + 1) + 0.4;
+    Gear^.alpha := 1 - power(Gear^.Timer / 350, 4);
+    if Gear^.alpha < 0 then
+        Gear^.alpha:= 0;
+    end;
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepFeather(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+
+Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
+Gear^.dY:= Gear^.dY + cGravityf * Steps;
+
+Gear^.Angle:= round(Gear^.Angle + Steps) mod cMaxAngle;
+
+if Gear^.FrameTicks <= Steps then
+    DeleteVisualGear(Gear)
+else
+    dec(Gear^.FrameTicks, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+const cSorterWorkTime = 640;
+var thexchar: array[0..cMaxTeams] of
+            record
+            dy, ny, dw: LongInt;
+            team: PTeam;
+            SortFactor: QWord;
+            end;
+    currsorter: PVisualGear = nil;
+
+procedure doStepTeamHealthSorterWork(Gear: PVisualGear; Steps: Longword);
+var i, t: LongInt;
+begin
+for t:= 1 to min(Steps, Gear^.Timer) do
+    begin
+    dec(Gear^.Timer);
+    if (Gear^.Timer and 15) = 0 then
+        for i:= 0 to Pred(TeamsCount) do
+            with thexchar[i] do
+                begin
+                {$WARNINGS OFF}
+                team^.DrawHealthY:= ny + dy * LongInt(Gear^.Timer) div cSorterWorkTime;
+                team^.TeamHealthBarWidth:= team^.NewTeamHealthBarWidth + dw * LongInt(Gear^.Timer) div cSorterWorkTime;
+                {$WARNINGS ON}
+                end;
+    end;
+
+if (Gear^.Timer = 0) or (currsorter <> Gear) then
+    begin
+    if currsorter = Gear then
+        currsorter:= nil;
+    DeleteVisualGear(Gear);
+    exit
+    end
+end;
+
+procedure doStepTeamHealthSorter(Gear: PVisualGear; Steps: Longword);
+var i: Longword;
+    b: boolean;
+    t: LongInt;
+begin
+{$IFNDEF PAS2C}
+Steps:= Steps; // avoid compiler hint
+{$ENDIF}
+
+for t:= 0 to Pred(TeamsCount) do
+    with thexchar[t] do
+        begin
+        team:= TeamsArray[t];
+        dy:= team^.DrawHealthY;
+        dw:= team^.TeamHealthBarWidth - team^.NewTeamHealthBarWidth;
+        if team^.TeamHealth > 0 then
+            begin
+            SortFactor:= team^.Clan^.ClanHealth;
+            SortFactor:= (SortFactor shl  3) + team^.Clan^.ClanIndex;
+            SortFactor:= (SortFactor shl 30) + team^.TeamHealth;
+            end
+        else
+            SortFactor:= 0;
+        end;
+
+if TeamsCount > 1 then
+    repeat
+    b:= true;
+    for t:= 0 to TeamsCount - 2 do
+        if (thexchar[t].SortFactor > thexchar[Succ(t)].SortFactor) then
+            begin
+            thexchar[cMaxTeams]:= thexchar[t];
+            thexchar[t]:= thexchar[Succ(t)];
+            thexchar[Succ(t)]:= thexchar[cMaxTeams];
+            b:= false
+            end
+    until b;
+
+t:= - 4;
+for i:= 0 to Pred(TeamsCount) do
+        with thexchar[i] do
+          if team^.TeamHealth > 0 then
+            begin
+            dec(t, team^.HealthTex^.h + 2);
+            ny:= t;
+            dy:= dy - ny
+            end;
+
+Gear^.Timer:= cSorterWorkTime;
+Gear^.doStep:= @doStepTeamHealthSorterWork;
+currsorter:= Gear;
+//doStepTeamHealthSorterWork(Gear, Steps)
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepSpeechBubbleWork(Gear: PVisualGear; Steps: Longword);
+begin
+if Gear^.Timer > Steps then dec(Gear^.Timer, Steps) else Gear^.Timer:= 0;
+
+if (Gear^.Hedgehog^.Gear <> nil) then
+    begin
+    Gear^.X:= hwFloat2Float(Gear^.Hedgehog^.Gear^.X) + (Gear^.Tex^.w div 2  - Gear^.FrameTicks);
+    Gear^.Y:= hwFloat2Float(Gear^.Hedgehog^.Gear^.Y) - (16 + Gear^.Tex^.h);
+    end;
+
+if Gear^.Timer = 0 then
+    begin
+    if Gear^.Hedgehog^.SpeechGear = Gear then
+        Gear^.Hedgehog^.SpeechGear:= nil;
+    DeleteVisualGear(Gear)
+    end;
+end;
+
+procedure doStepSpeechBubble(Gear: PVisualGear; Steps: Longword);
+begin
+
+{$IFNDEF PAS2C}
+Steps:= Steps; // avoid compiler hint
+{$ENDIF}
+
+with Gear^.Hedgehog^ do
+    if SpeechGear <> nil then
+        SpeechGear^.Timer:= 0;
+
+Gear^.Hedgehog^.SpeechGear:= Gear;
+
+Gear^.Timer:= max(LongInt(Length(Gear^.Text)) * 150, 3000);
+
+Gear^.Tex:= RenderSpeechBubbleTex(Gear^.Text, Gear^.FrameTicks, fnt16);
+
+case Gear^.FrameTicks of
+    1: Gear^.FrameTicks:= SpritesData[sprSpeechTail].Width-28;
+    2: Gear^.FrameTicks:= SpritesData[sprThoughtTail].Width-20;
+    3: Gear^.FrameTicks:= SpritesData[sprShoutTail].Width-10;
+    end;
+
+Gear^.doStep:= @doStepSpeechBubbleWork;
+
+Gear^.Y:= Gear^.Y - Gear^.Tex^.h
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepHealthTagWork(Gear: PVisualGear; Steps: Longword);
+begin
+if Steps > Gear^.Timer then
+    DeleteVisualGear(Gear)
+else
+    begin
+    dec(Gear^.Timer, Steps);
+    Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
+    Gear^.X:= Gear^.X + Gear^.dX * Steps
+    end;
+end;
+
+procedure doStepHealthTagWorkUnderWater(Gear: PVisualGear; Steps: Longword);
+begin
+if round(Gear^.Y) - 10 < cWaterLine then
+    DeleteVisualGear(Gear)
+else
+    Gear^.Y:= Gear^.Y - 0.08 * Steps;
+
+end;
+
+procedure doStepHealthTag(Gear: PVisualGear; Steps: Longword);
+var s: shortstring;
+begin
+s:= '';
+
+str(Gear^.State, s);
+if Gear^.Hedgehog <> nil then
+    Gear^.Tex:= RenderStringTex(s, Gear^.Hedgehog^.Team^.Clan^.Color, fnt16)
+else
+    Gear^.Tex:= RenderStringTex(s, cWhiteColor, fnt16);
+
+Gear^.doStep:= @doStepHealthTagWork;
+
+if (round(Gear^.Y) > cWaterLine) and (Gear^.Frame = 0)  then
+    Gear^.doStep:= @doStepHealthTagWorkUnderWater;
+
+Gear^.Y:= Gear^.Y - Gear^.Tex^.h;
+
+if Steps > 1 then
+    Gear^.doStep(Gear, Steps-1);
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepSmokeTrace(Gear: PVisualGear; Steps: Longword);
+begin
+inc(Gear^.Timer, Steps );
+if Gear^.Timer > 64 then
+    begin
+    if Gear^.State = 0 then
+        begin
+        DeleteVisualGear(Gear);
+        exit;
+        end;
+    dec(Gear^.State, Gear^.Timer div 65);
+    Gear^.Timer:= Gear^.Timer mod 65;
+    end;
+Gear^.dX:= Gear^.dX + cWindSpeedf * Steps;
+Gear^.X:= Gear^.X + Gear^.dX;
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepExplosionWork(Gear: PVisualGear; Steps: Longword);
+begin
+inc(Gear^.Timer, Steps);
+if Gear^.Timer > 75 then
+    begin
+    inc(Gear^.State, Gear^.Timer div 76);
+    Gear^.Timer:= Gear^.Timer mod 76;
+    if Gear^.State > 5 then
+        DeleteVisualGear(Gear);
+    end;
+end;
+
+procedure doStepExplosion(Gear: PVisualGear; Steps: Longword);
+var i: LongWord;
+    gX,gY: LongInt;
+    vg: PVisualGear;
+begin
+gX:= round(Gear^.X);
+gY:= round(Gear^.Y);
+for i:= 0 to 31 do
+    begin
+    vg:= AddVisualGear(gX, gY, vgtFire);
+    if vg <> nil then
+        begin
+        vg^.State:= gstTmpFlag;
+        inc(vg^.FrameTicks, vg^.FrameTicks)
+        end
+    end;
+for i:= 0 to  8 do AddVisualGear(gX, gY, vgtExplPart);
+for i:= 0 to  8 do AddVisualGear(gX, gY, vgtExplPart2);
+Gear^.doStep:= @doStepExplosionWork;
+if Steps > 1 then
+    Gear^.doStep(Gear, Steps-1);
+end;
+
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepBigExplosionWork(Gear: PVisualGear; Steps: Longword);
+var maxMovement: LongInt;
+begin
+
+inc(Gear^.Timer, Steps);
+if (Gear^.Timer and 5) = 0 then
+    begin
+    maxMovement := max(1, 13 - ((Gear^.Timer * 15) div 250));
+    ShakeCamera(maxMovement);
+    end;
+
+if Gear^.Timer > 250 then
+    DeleteVisualGear(Gear);
+end;
+
+procedure doStepBigExplosion(Gear: PVisualGear; Steps: Longword);
+var i: LongWord;
+    gX,gY: LongInt;
+    vg: PVisualGear;
+begin
+//ScreenFade:= sfFromWhite;
+//ScreenFadeValue:= round(60 * zoom * zoom);
+//ScreenFadeSpeed:= 5;
+gX:= round(Gear^.X);
+gY:= round(Gear^.Y);
+AddVisualGear(gX, gY, vgtSmokeRing);
+for i:= 0 to 46 do
+    begin
+    vg:= AddVisualGear(gX, gY, vgtFire);
+    if vg <> nil then
+        begin
+        vg^.State:= gstTmpFlag;
+        inc(vg^.FrameTicks, vg^.FrameTicks)
+        end
+    end;
+for i:= 0 to 15 do
+    AddVisualGear(gX, gY, vgtExplPart);
+for i:= 0 to 15 do
+    AddVisualGear(gX, gY, vgtExplPart2);
+Gear^.doStep:= @doStepBigExplosionWork;
+if Steps > 1 then
+    Gear^.doStep(Gear, Steps-1);
+
+{$IFNDEF PAS2C}
+with mobileRecord do
+    if (performRumble <> nil) and (not fastUntilLag) then
+        performRumble(kSystemSoundID_Vibrate);
+{$ENDIF}
+end;
+
+procedure doStepChunk(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+
+Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
+Gear^.dY:= Gear^.dY + cGravityf * Steps;
+
+Gear^.Angle:= round(Gear^.Angle + Steps) mod cMaxAngle;
+
+if (round(Gear^.Y) > cWaterLine) and ((cReducedQuality and rqPlainSplash) = 0) then
+    begin
+    AddVisualGear(round(Gear^.X), round(Gear^.Y), vgtDroplet);
+    DeleteVisualGear(Gear);
+    end
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepBulletHit(Gear: PVisualGear; Steps: Longword);
+begin
+if Gear^.FrameTicks <= Steps then
+    DeleteVisualGear(Gear)
+else
+    dec(Gear^.FrameTicks, Steps);
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepCircle(Gear: PVisualGear; Steps: Longword);
+var tmp: LongInt;
+    i: LongWord;
+begin
+with Gear^ do
+    if Frame <> 0 then
+        for i:= 1 to Steps do
+            begin
+            inc(FrameTicks);
+            if (FrameTicks mod Frame) = 0 then
+                begin
+                tmp:= Gear^.Tint and $FF;
+                if tdY >= 0 then
+                    inc(tmp)
+                else
+                    dec(tmp);
+                if tmp < round(dX) then
+                    tdY:= 1;
+                if tmp > round(dY) then
+                    tdY:= -1;
+                if tmp > 255 then
+                    tmp := 255;
+                if tmp < 0 then
+                    tmp := 0;
+                Gear^.Tint:= (Gear^.Tint and $FFFFFF00) or Longword(tmp)
+                end
+            end
+end;
+
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepSmoothWindBar(Gear: PVisualGear; Steps: Longword);
+begin
+inc(Gear^.Timer, Steps);
+
+while Gear^.Timer >= 10 do
+    begin
+    dec(Gear^.Timer, 10);
+    if WindBarWidth < Gear^.Tag then
+        inc(WindBarWidth)
+    else if WindBarWidth > Gear^.Tag then
+        dec(WindBarWidth);
+    end;
+if cWindspeedf > Gear^.dAngle then
+    begin
+    cWindspeedf := cWindspeedf - Gear^.Angle*Steps;
+    if cWindspeedf < Gear^.dAngle then cWindspeedf:= Gear^.dAngle;
+    end
+else if cWindspeedf < Gear^.dAngle then
+    begin
+    cWindspeedf := cWindspeedf + Gear^.Angle*Steps;
+    if cWindspeedf > Gear^.dAngle then cWindspeedf:= Gear^.dAngle;
+    end;
+
+if (WindBarWidth = Gear^.Tag) and (cWindspeedf = Gear^.dAngle)  then
+    DeleteVisualGear(Gear)
+end;
+////////////////////////////////////////////////////////////////////////////////
+procedure doStepStraightShot(Gear: PVisualGear; Steps: Longword);
+begin
+Gear^.X:= Gear^.X + Gear^.dX * Steps;
+Gear^.Y:= Gear^.Y - Gear^.dY * Steps;
+
+if Gear^.FrameTicks <= Steps then
+    DeleteVisualGear(Gear)
+else
+    begin
+    dec(Gear^.FrameTicks, Steps);
+    if (Gear^.FrameTicks < 501) and (Gear^.FrameTicks mod 5 = 0) then
+        Gear^.Tint:= (Gear^.Tint and $FFFFFF00) or (((Gear^.Tint and $000000FF) * Gear^.FrameTicks) div 500)
+    end
+end;
+
+
+const handlers: array[TVisualGearType] of TVGearStepProcedure =
+        (
+            @doStepFlake,
+            @doStepCloud,
+            @doStepExpl,
+            @doStepExpl,
+            @doStepFire,
+            @doStepSmallDamage,
+            @doStepTeamHealthSorter,
+            @doStepSpeechBubble,
+            @doStepBubble,
+            @doStepSteam,
+            @doStepAmmo,
+            @doStepSmoke,
+            @doStepSmoke,
+            @doStepShell,
+            @doStepDust,
+            @doStepSplash,
+            @doStepDroplet,
+            @doStepSmokeRing,
+            @doStepBeeTrace,
+            @doStepEgg,
+            @doStepFeather,
+            @doStepHealthTag,
+            @doStepSmokeTrace,
+            @doStepSmokeTrace,
+            @doStepExplosion,
+            @doStepBigExplosion,
+            @doStepChunk,
+            @doStepNote,
+            @doStepLineTrail,
+            @doStepBulletHit,
+            @doStepCircle,
+            @doStepSmoothWindBar,
+            @doStepStraightShot
+        );
+
+procedure initModule;
+begin
+    doStepHandlers:= handlers
+end;
+
+end.