72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
/*
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This file is part of Warzone 2100.
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Copyright (C) 1999-2004 Eidos Interactive
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Copyright (C) 2005-2013 Warzone 2100 Project
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Warzone 2100 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; either version 2 of the License, or
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(at your option) any later version.
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Warzone 2100 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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You should have received a copy of the GNU General Public License
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along with Warzone 2100; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef __INCLUDED_SRC_GEOMETRY_H__
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#define __INCLUDED_SRC_GEOMETRY_H__
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#include "map.h"
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#include "hci.h"
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struct QUAD
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{
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Vector2i coords[4];
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};
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extern uint16_t calcDirection(int32_t x0, int32_t y0, int32_t x1, int32_t y1);
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bool inQuad(const Vector2i *pt, const QUAD *quad);
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Vector2i positionInQuad(Vector2i const &pt, QUAD const &quad);
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extern DROID *getNearestDroid( UDWORD x, UDWORD y, bool bSelected );
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extern bool droidOnScreen( DROID *psDroid, SDWORD tolerance );
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static inline STRUCTURE *getTileStructure(UDWORD x, UDWORD y)
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{
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BASE_OBJECT * psObj = mapTile(x,y)->psObject;
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if (psObj && psObj->type == OBJ_STRUCTURE)
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{
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return (STRUCTURE *)psObj;
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}
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return NULL;
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}
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static inline FEATURE *getTileFeature(UDWORD x, UDWORD y)
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{
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BASE_OBJECT * psObj = mapTile(x,y)->psObject;
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if (psObj && psObj->type == OBJ_FEATURE)
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{
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return (FEATURE *)psObj;
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}
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return NULL;
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}
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/// WARNING: Returns NULL if tile not visible to selectedPlayer.
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static inline BASE_OBJECT *getTileOccupier(UDWORD x, UDWORD y)
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{
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MAPTILE *psTile = mapTile(x,y);
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if (TEST_TILE_VISIBLE(selectedPlayer, psTile))
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{
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return mapTile(x,y)->psObject;
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} else {
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return NULL;
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}
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}
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#endif // __INCLUDED_SRC_GEOMETRY_H__
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