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shadows.h
Go to the documentation of this file.00001 /* 00002 Crystal Space 3D engine 00003 Copyright (C) 2001 by Jorrit Tyberghein 00004 00005 This library is free software; you can redistribute it and/or 00006 modify it under the terms of the GNU Library General Public 00007 License as published by the Free Software Foundation; either 00008 version 2 of the License, or (at your option) any later version. 00009 00010 This library is distributed in the hope that it will be useful, 00011 but WITHOUT ANY WARRANTY; without even the implied warranty of 00012 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00013 Library General Public License for more details. 00014 00015 You should have received a copy of the GNU Library General Public 00016 License along with this library; if not, write to the Free 00017 Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 00018 */ 00019 00020 #ifndef __CS_IENGINE_SHADOWS_H__ 00021 #define __CS_IENGINE_SHADOWS_H__ 00022 00029 #include "csutil/scf.h" 00030 #include "csgeom/frustum.h" 00031 00032 struct iShadowBlock; 00033 struct iShadowBlockList; 00034 class csTransform; 00035 class csPlane3; 00036 class csVector3; 00037 00038 SCF_VERSION (iShadowIterator, 0, 0, 1); 00039 00044 struct iShadowIterator : public iBase 00045 { 00047 virtual void Reset () = 0; 00049 virtual bool HasNext () = 0; 00051 virtual csFrustum* Next () = 0; 00053 virtual void* GetUserData () = 0; 00055 virtual bool IsRelevant () = 0; 00057 virtual void MarkRelevant (bool rel) = 0; 00059 virtual void DeleteCurrent () = 0; 00061 virtual iShadowBlock* GetCurrentShadowBlock () = 0; 00063 virtual iShadowBlock* GetNextShadowBlock () = 0; 00064 }; 00065 00066 SCF_VERSION (iShadowBlock, 0, 0, 3); 00067 00072 struct iShadowBlock : public iBase 00073 { 00075 virtual iShadowIterator* GetShadowIterator (bool reverse = false) = 0; 00077 virtual void DeleteShadows () = 0; 00078 00085 virtual void AddRelevantShadows (iShadowBlock* source, 00086 csTransform* trans = 0) = 0; 00087 00093 virtual void AddRelevantShadows (iShadowBlockList* source) = 0; 00094 00100 virtual void AddAllShadows (iShadowBlockList* source) = 0; 00101 00107 virtual void AddUniqueRelevantShadows (iShadowBlockList* source) = 0; 00108 00114 virtual csFrustum* AddShadow (const csVector3& origin, void* userData, 00115 int num_verts, csPlane3& backplane) = 0; 00116 00118 virtual void UnlinkShadow (int idx) = 0; 00119 00121 virtual int GetShadowCount () = 0; 00122 00124 virtual csFrustum* GetShadow (int idx) = 0; 00125 00129 virtual void Transform (csTransform* trans) = 0; 00130 00132 virtual const csBox3& GetBoundingBox () = 0; 00133 }; 00134 00135 SCF_VERSION (iShadowBlockList, 0, 0, 5); 00136 00141 struct iShadowBlockList : public iBase 00142 { 00144 virtual iShadowIterator* GetShadowIterator (bool reverse = false) = 0; 00151 virtual iShadowIterator* GetShadowIterator ( 00152 const csBox3& bbox, bool reverse = false) = 0; 00153 00155 virtual iShadowBlock* NewShadowBlock (int num_shadows = 30) = 0; 00156 00158 virtual iShadowBlock* GetFirstShadowBlock () = 0; 00160 virtual iShadowBlock* GetLastShadowBlock () = 0; 00162 virtual iShadowBlock* GetNextShadowBlock (iShadowBlock* s) = 0; 00164 virtual iShadowBlock* GetPreviousShadowBlock (iShadowBlock* s) = 0; 00166 virtual void RemoveLastShadowBlock () = 0; 00168 virtual void DeleteAllShadows () = 0; 00169 00176 virtual uint32 MarkNewRegion () = 0; 00177 00182 virtual void RestoreRegion (uint32 prev) = 0; 00183 00188 virtual bool FromCurrentRegion (iShadowBlock* block) = 0; 00189 }; 00190 00193 #endif // __CS_IENGINE_SHADOWS_H__ 00194
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