520389e3
 xiaoyu
接入cocos源码，编译未通过，继续修改
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//
// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
//
// This software is provided 'as-is', without any express or implied
// warranty. In no event will the authors be held liable for any damages
// arising from the use of this software.
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it
// freely, subject to the following restrictions:
// 1. The origin of this software must not be misrepresented; you must not
// claim that you wrote the original software. If you use this software
// in a product, an acknowledgment in the product documentation would be
// appreciated but is not required.
// 2. Altered source versions must be plainly marked as such, and must not be
// misrepresented as being the original software.
// 3. This notice may not be removed or altered from any source distribution.
//
#ifndef DETOURPROXIMITYGRID_H
#define DETOURPROXIMITYGRID_H
class dtProximityGrid
{
float m_cellSize;
float m_invCellSize;
struct Item
{
unsigned short id;
short x,y;
unsigned short next;
};
Item* m_pool;
int m_poolHead;
int m_poolSize;
unsigned short* m_buckets;
int m_bucketsSize;
int m_bounds[4];
public:
dtProximityGrid();
~dtProximityGrid();
bool init(const int poolSize, const float cellSize);
void clear();
void addItem(const unsigned short id,
const float minx, const float miny,
const float maxx, const float maxy);
int queryItems(const float minx, const float miny,
const float maxx, const float maxy,
unsigned short* ids, const int maxIds) const;
int getItemCountAt(const int x, const int y) const;
inline const int* getBounds() const { return m_bounds; }
inline float getCellSize() const { return m_cellSize; }
};
dtProximityGrid* dtAllocProximityGrid();
void dtFreeProximityGrid(dtProximityGrid* ptr);
#endif // DETOURPROXIMITYGRID_H
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