Ignore all objects for fall tracing with shove to avoid considering checkins as obstacles. many objects will get knocked by the kick anyway, so end result should be pretty good. Oh, and ditch the sniper rifle doubling.
(*
* 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
*)
(*
* 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.
*)
procedure doStepFlake(Gear: PVisualGear; Steps: Longword);
var sign: real;
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
if round(X) < cLeftScreenBorder then
X:= X + cScreenSpace
else
if round(X) > cRightScreenBorder then
X:= X - cScreenSpace;
// 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)
end
else if (Gear^.Layer <> 2) and (round(Y) + 50 > LAND_HEIGHT) then
begin
X:= cLeftScreenBorder + random(cScreenSpace);
Y:= Y - (1024 + random(25))
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);
begin
Gear^.X:= Gear^.X + Gear^.dX * Steps;
Gear^.Y:= Gear^.Y + Gear^.dY * Steps;
//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
Steps := Steps;
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 Steps 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 640;
team^.TeamHealthBarWidth:= team^.NewTeamHealthBarWidth + dw * LongInt(Gear^.Timer) div cSorterWorkTime;
{$WARNINGS ON}
end;
if (Gear^.Timer = 0) or (currsorter <> Gear) then
begin
if currsorter = Gear then
currsorter:= nil;
DeleteVisualGear(Gear);
exit
end
end
end;
procedure doStepTeamHealthSorter(Gear: PVisualGear; Steps: Longword);
var i: Longword;
b: boolean;
t: LongInt;
begin
Steps:= Steps; // avoid compiler hint
for t:= 0 to Pred(TeamsCount) do
with thexchar[t] do
begin
dy:= TeamsArray[t]^.DrawHealthY;
dw:= TeamsArray[t]^.TeamHealthBarWidth - TeamsArray[t]^.NewTeamHealthBarWidth;
team:= TeamsArray[t];
SortFactor:= TeamsArray[t]^.Clan^.ClanHealth;
SortFactor:= (SortFactor shl 3) + TeamsArray[t]^.Clan^.ClanIndex;
SortFactor:= (SortFactor shl 30) + TeamsArray[t]^.TeamHealth;
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
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
Steps:= Steps; // avoid compiler hint
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);
performRumble();
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;