--- a/hedgewars/uCollisions.pas Fri Nov 21 15:58:36 2008 +0000
+++ b/hedgewars/uCollisions.pas Fri Nov 21 21:47:51 2008 +0000
@@ -23,10 +23,10 @@
const cMaxGearArrayInd = 255;
type PGearArray = ^TGearArray;
- TGearArray = record
- ar: array[0..cMaxGearArrayInd] of PGear;
- Count: Longword
- end;
+ TGearArray = record
+ ar: array[0..cMaxGearArrayInd] of PGear;
+ Count: Longword
+ end;
procedure AddGearCI(Gear: PGear);
procedure DeleteCI(Gear: PGear);
@@ -48,27 +48,27 @@
uses uMisc, uConsts, uLand, uLandGraphics, uConsole;
type TCollisionEntry = record
- X, Y, Radius: LongInt;
- cGear: PGear;
- end;
+ X, Y, Radius: LongInt;
+ cGear: PGear;
+ end;
const MAXRECTSINDEX = 511;
var Count: Longword = 0;
- cinfos: array[0..MAXRECTSINDEX] of TCollisionEntry;
- ga: TGearArray;
+ cinfos: array[0..MAXRECTSINDEX] of TCollisionEntry;
+ ga: TGearArray;
procedure AddGearCI(Gear: PGear);
begin
if Gear^.CollisionIndex >= 0 then exit;
TryDo(Count <= MAXRECTSINDEX, 'Collision rects array overflow', true);
with cinfos[Count] do
- begin
- X:= hwRound(Gear^.X);
- Y:= hwRound(Gear^.Y);
- Radius:= Gear^.Radius;
- ChangeRoundInLand(X, Y, Radius - 1, true);
- cGear:= Gear
- end;
+ begin
+ X:= hwRound(Gear^.X);
+ Y:= hwRound(Gear^.Y);
+ Radius:= Gear^.Radius;
+ ChangeRoundInLand(X, Y, Radius - 1, true);
+ cGear:= Gear
+ end;
Gear^.CollisionIndex:= Count;
inc(Count)
end;
@@ -76,41 +76,39 @@
procedure DeleteCI(Gear: PGear);
begin
if Gear^.CollisionIndex >= 0 then
- begin
- with cinfos[Gear^.CollisionIndex] do
- ChangeRoundInLand(X, Y, Radius - 1, false);
- cinfos[Gear^.CollisionIndex]:= cinfos[Pred(Count)];
- cinfos[Gear^.CollisionIndex].cGear^.CollisionIndex:= Gear^.CollisionIndex;
- Gear^.CollisionIndex:= -1;
- dec(Count)
- end;
+ begin
+ with cinfos[Gear^.CollisionIndex] do
+ ChangeRoundInLand(X, Y, Radius - 1, false);
+ cinfos[Gear^.CollisionIndex]:= cinfos[Pred(Count)];
+ cinfos[Gear^.CollisionIndex].cGear^.CollisionIndex:= Gear^.CollisionIndex;
+ Gear^.CollisionIndex:= -1;
+ dec(Count)
+ end;
end;
function CheckGearsCollision(Gear: PGear): PGearArray;
var mx, my: LongInt;
- i: Longword;
- Result: PGearArray;
+ i: Longword;
begin
-Result:= @ga;
+CheckGearsCollision:= @ga;
ga.Count:= 0;
if Count = 0 then exit;
mx:= hwRound(Gear^.X);
my:= hwRound(Gear^.Y);
for i:= 0 to Pred(Count) do
- with cinfos[i] do
- if (Gear <> cGear) and
- (sqr(mx - x) + sqr(my - y) <= sqr(Radius + Gear^.Radius)) then
- begin
- ga.ar[ga.Count]:= cinfos[i].cGear;
- inc(ga.Count)
- end;
-CheckGearsCollision:= Result
+ with cinfos[i] do
+ if (Gear <> cGear) and
+ (sqr(mx - x) + sqr(my - y) <= sqr(Radius + Gear^.Radius)) then
+ begin
+ ga.ar[ga.Count]:= cinfos[i].cGear;
+ inc(ga.Count)
+ end
end;
function TestCollisionXwithGear(Gear: PGear; Dir: LongInt): boolean;
var x, y, i: LongInt;
- TestWord: LongWord;
+ TestWord: LongWord;
begin
if Gear^.IntersectGear <> nil then
with Gear^ do