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86 lines
1.9 KiB
C++
86 lines
1.9 KiB
C++
/* Copyright (C) 1994-2003 Revolution Software Ltd
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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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#ifndef _ROUTER_H
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#define _ROUTER_H
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#include "bs2/memory.h"
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#include "bs2/object.h"
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namespace Sword2 {
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#if !defined(__GNUC__)
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#pragma START_PACK_STRUCTS
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#endif
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struct _walkData {
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uint16 frame;
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int16 x;
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int16 y;
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uint8 step;
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uint8 dir;
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} GCC_PACK;
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struct _barData {
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int16 x1;
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int16 y1;
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int16 x2;
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int16 y2;
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int16 xmin;
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int16 ymin;
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int16 xmax;
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int16 ymax;
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int16 dx; // x2 - x1
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int16 dy; // y2 - y1
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int32 co; // co = (y1 *dx)- (x1*dy) from an equation for a line y*dx = x*dy + co
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} GCC_PACK;
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struct _nodeData {
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int16 x;
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int16 y;
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int16 level;
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int16 prev;
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int16 dist;
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} GCC_PACK;
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#if !defined(__GNUC__)
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#pragma END_PACK_STRUCTS
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#endif
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int32 RouteFinder(Object_mega *ob_mega, Object_walkdata *ob_walkdata, int32 x, int32 y, int32 dir);
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void EarlySlowOut(Object_mega *ob_mega, Object_walkdata *ob_walkdata);
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void AllocateRouteMem(void);
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_walkData* LockRouteMem(void);
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void FloatRouteMem(void);
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void FreeRouteMem(void);
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void FreeAllRouteMem(void);
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void AddWalkGrid(int32 gridResource);
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void RemoveWalkGrid(int32 gridResource);
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void ClearWalkGridList(void);
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#ifdef _SWORD2_DEBUG
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void PlotWalkGrid(void);
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#endif
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} // End of namespace Sword2
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#endif
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