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43cfe01f3d
classes: Screen and Mouse. Screen handles most of the drawing, except the mouse cursor and in-game menus. The old Graphics class is no more. I've also fixed some "reverse stereo" regressions from the first part of the restructuring. I'm not sure what the next step will be, but hopefully it will be smaller than this one was. svn-id: r16812
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/* Copyright (C) 1994-1998 Revolution Software Ltd.
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* Copyright (C) 2003-2005 The ScummVM project
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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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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* $Header$
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*/
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// WALKER.CPP by James (14nov96)
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// Script functions for moving megas about the place & also for keeping tabs
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// on them
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#include "common/stdafx.h"
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#include "sword2/sword2.h"
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#include "sword2/defs.h"
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#include "sword2/interpreter.h"
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#include "sword2/logic.h"
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#include "sword2/memory.h"
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#include "sword2/resman.h"
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#include "sword2/router.h"
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namespace Sword2 {
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/**
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* Work out direction from start to dest.
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*/
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// Used in whatTarget(); not valid for all megas
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#define diagonalx 36
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#define diagonaly 8
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int Logic::whatTarget(int startX, int startY, int destX, int destY) {
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int deltaX = destX - startX;
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int deltaY = destY - startY;
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// 7 0 1
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// 6 2
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// 5 4 3
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// Flat route
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if (ABS(deltaY) * diagonalx < ABS(deltaX) * diagonaly / 2)
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return (deltaX > 0) ? 2 : 6;
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// Vertical route
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if (ABS(deltaY) * diagonalx / 2 > ABS(deltaX) * diagonaly)
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return (deltaY > 0) ? 4 : 0;
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// Diagonal route
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if (deltaX > 0)
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return (deltaY > 0) ? 3 : 1;
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return (deltaY > 0) ? 5 : 7;
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}
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} // End of namespace Sword2
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