author | unc0rr |
Sun, 16 Jun 2013 15:45:19 +0400 | |
changeset 9193 | 1394137589e4 |
parent 9080 | 9b42757d7e71 |
child 9521 | 8054d9d775fd |
child 9706 | 5178d2263521 |
permissions | -rw-r--r-- |
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(* |
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* Hedgewars, a free turn based strategy game |
9080 | 3 |
* Copyright (c) 2004-2013 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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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; version 2 of the License |
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* |
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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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* 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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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
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*) |
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|
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{$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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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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procedure PrevAngle(Gear: PGear; dA: LongInt); inline; |
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begin |
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Gear^.Angle := (LongInt(Gear^.Angle) - dA) and 3 |
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end; |
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procedure NextAngle(Gear: PGear; dA: LongInt); inline; |
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begin |
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Gear^.Angle := (LongInt(Gear^.Angle) + dA) and 3 |
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end; |
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procedure cakeStep(Gear: PGear); |
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var |
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xx, yy, xxn, yyn: LongInt; |
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dA: LongInt; |
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begin |
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dA := hwSign(Gear^.dX); |
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xx := dirs[Gear^.Angle].x; |
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yy := dirs[Gear^.Angle].y; |
7721 | 54 |
xxn := dirs[(LongInt(Gear^.Angle) + dA) and 3].x; |
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yyn := dirs[(LongInt(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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begin |
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Gear^.Tag := 0; |
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Gear^.Y := Gear^.Y + int2hwFloat(yy); |
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if not TestCollisionXwithGear(Gear, xxn) then |
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begin |
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Gear^.X := Gear^.X + int2hwFloat(xxn); |
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NextAngle(Gear, dA) |
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end; |
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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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begin |
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Gear^.Tag := 0; |
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Gear^.X := Gear^.X + int2hwFloat(xx); |
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if TestCollisionYwithGear(Gear, yyn) = 0 then |
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begin |
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Gear^.Y := Gear^.Y + int2hwFloat(yyn); |
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NextAngle(Gear, dA) |
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end; |
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end; |
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end; |
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end. |