OgreGrid3DPageStrategy.h
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1 /*
2 -----------------------------------------------------------------------------
3 This source file is part of OGRE
4 (Object-oriented Graphics Rendering Engine)
5 For the latest info, see http://www.ogre3d.org/
6 
7 Copyright (c) 2000-2013 Torus Knot Software Ltd
8 
9 Permission is hereby granted, free of charge, to any person obtaining a copy
10 of this software and associated documentation files (the "Software"), to deal
11 in the Software without restriction, including without limitation the rights
12 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
13 copies of the Software, and to permit persons to whom the Software is
14 furnished to do so, subject to the following conditions:
15 
16 The above copyright notice and this permission notice shall be included in
17 all copies or substantial portions of the Software.
18 
19 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
22 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
25 THE SOFTWARE.
26 -----------------------------------------------------------------------------
27 */
28 
29 #ifndef __Ogre_Grid3DPageStrategy_H__
30 #define __Ogre_Grid3DPageStrategy_H__
31 
33 #include "OgrePageStrategy.h"
34 #include "OgreVector3.h"
35 
36 namespace Ogre
37 {
45 
46 
105  {
106  protected:
123 
124  public:
125  static const uint32 CHUNK_ID;
126  static const uint16 CHUNK_VERSION;
127 
130 
132  virtual void setOrigin(const Vector3& worldOrigin);
134  virtual const Vector3& getOrigin(const Vector3& worldOrigin) { return mWorldOrigin; }
136  virtual void setCellSize(const Vector3& sz);
138  virtual Vector3 getCellSize() const { return mCellSize; }
140  virtual void setLoadRadius(Real sz);
142  virtual Real getLoadRadius() const { return mLoadRadius; }
144  virtual void setHoldRadius(Real sz);
146  virtual Real getHoldRadius() const { return mHoldRadius; }
147 
149  virtual void setCellRange(int32 minX, int32 minY, int32 minZ, int32 maxX, int32 maxY, int32 maxZ);
151  virtual void setCellRangeMinX(int32 minX);
153  virtual void setCellRangeMinY(int32 minY);
155  virtual void setCellRangeMinZ(int32 minZ);
157  virtual void setCellRangeMaxX(int32 maxX);
159  virtual void setCellRangeMaxY(int32 maxY);
161  virtual void setCellRangeMaxZ(int32 maxZ);
163  virtual int32 getCellRangeMinX() const { return mMinCellX; }
165  virtual int32 getCellRangeMinY() const { return mMinCellY; }
167  virtual int32 getCellRangeMinZ() const { return mMinCellZ; }
169  virtual int32 getCellRangeMaxX() const { return mMaxCellX; }
171  virtual int32 getCellRangeMaxY() const { return mMaxCellY; }
173  virtual int32 getCellRangeMaxZ() const { return mMaxCellZ; }
174 
176  bool load(StreamSerialiser& stream);
178  void save(StreamSerialiser& stream);
179 
180  virtual void getMidPointGridSpace(int32 x, int32 y, int32 z, Vector3& mid);
182  virtual void getBottomLeftGridSpace(int32 x, int32 y, int z, Vector3& bl);
187  virtual void getCornersGridSpace(int32 x, int32 y, int32 z, Vector3* pEightPoints);
188 
190  void determineGridLocation(const Vector3& gridpos, int32* x, int32* y, int32* z);
191 
192  PageID calculatePageID(int32 x, int32 y, int32 z);
193  void calculateCell(PageID inPageID, int32* x, int32* y, int32* z);
194  };
195 
196 
204  {
205  public:
207 
209 
210  // Overridden members
211  void notifyCamera(Camera* cam, PagedWorldSection* section);
212  PageStrategyData* createData();
213  void destroyData(PageStrategyData* d);
214  void updateDebugDisplay(Page* p, SceneNode* sn);
215  PageID getPageID(const Vector3& worldPos, PagedWorldSection* section);
216  };
217 
220 }
221 
222 #endif

Copyright © 2012 Torus Knot Software Ltd
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This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.
Last modified Wed Oct 23 2013 06:57:24