author | unc0rr |
Wed, 25 Jul 2012 22:46:03 +0400 | |
changeset 7437 | a46ce1812419 |
parent 7416 | 2f2f78fc65a3 |
child 7671 | 43f38923bc6e |
permissions | -rw-r--r-- |
7370
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1 |
(* |
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* Hedgewars, a free turn based strategy game |
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* Copyright (c) 2004-2012 Andrey Korotaev <unC0Rr@gmail.com> |
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* |
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* This program is free software; you can redistribute it and/or modify |
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6 |
* it under the terms of the GNU General Public License as published by |
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7 |
* the Free Software Foundation; version 2 of the License |
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8 |
* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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12 |
* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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16 |
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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17 |
*) |
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18 |
|
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19 |
{$INCLUDE "options.inc"} |
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|
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unit uGearsHandlers; |
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interface |
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|
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uses uTypes; |
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|
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procedure cakeStep(Gear: PGear); |
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|
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implementation |
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|
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uses SDLh, uFloat, uCollisions; |
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|
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||
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const dirs: array[0..3] of TPoint = ((X: 0; Y: -1), (X: 1; Y: 0),(X: 0; Y: 1),(X: -1; Y: 0)); |
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|
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procedure PrevAngle(Gear: PGear; dA: LongInt); inline; |
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37 |
begin |
7405 | 38 |
Gear^.Angle := (Gear^.Angle - dA) and 3 |
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end; |
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|
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procedure NextAngle(Gear: PGear; dA: LongInt); inline; |
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begin |
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Gear^.Angle := (Gear^.Angle + dA) and 3 |
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end; |
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|
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procedure cakeStep(Gear: PGear); |
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47 |
var |
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xx, yy, xxn, yyn: LongInt; |
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dA: LongInt; |
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tdx, tdy: hwFloat; |
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begin |
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dA := hwSign(Gear^.dX); |
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53 |
xx := dirs[Gear^.Angle].x; |
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54 |
yy := dirs[Gear^.Angle].y; |
7416
2f2f78fc65a3
AI uses cake! Known issues: AI could damage itself for no reason, could let cake go looping in a hole with exit closed by AI hog.
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55 |
xxn := dirs[(Gear^.Angle + dA) and 3].x; |
2f2f78fc65a3
AI uses cake! Known issues: AI could damage itself for no reason, could let cake go looping in a hole with exit closed by AI hog.
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56 |
yyn := dirs[(Gear^.Angle + dA) and 3].y; |
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|
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if (xx = 0) then |
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if TestCollisionYwithGear(Gear, yy) <> 0 then |
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PrevAngle(Gear, dA) |
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else |
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62 |
begin |
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63 |
Gear^.Tag := 0; |
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64 |
Gear^.Y := Gear^.Y + int2hwFloat(yy); |
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if not TestCollisionXwithGear(Gear, xxn) then |
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66 |
begin |
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Gear^.X := Gear^.X + int2hwFloat(xxn); |
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68 |
NextAngle(Gear, dA) |
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69 |
end; |
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70 |
end; |
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|
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if (yy = 0) then |
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if TestCollisionXwithGear(Gear, xx) then |
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PrevAngle(Gear, dA) |
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else |
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76 |
begin |
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77 |
Gear^.Tag := 0; |
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78 |
Gear^.X := Gear^.X + int2hwFloat(xx); |
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if TestCollisionYwithGear(Gear, yyn) = 0 then |
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80 |
begin |
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81 |
Gear^.Y := Gear^.Y + int2hwFloat(yyn); |
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82 |
NextAngle(Gear, dA) |
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83 |
end; |
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84 |
end; |
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85 |
end; |
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|
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87 |
end. |