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OgreMeshManager.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright (c) 2000-2005 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #ifndef __MeshManager_H__
00026 #define __MeshManager_H__
00027 
00028 #include "OgrePrerequisites.h"
00029 
00030 #include "OgreResourceManager.h"
00031 #include "OgreSingleton.h"
00032 #include "OgreVector3.h"
00033 #include "OgreHardwareBuffer.h"
00034 #include "OgreMesh.h"
00035 #include "OgrePatchMesh.h"
00036 
00037 namespace Ogre {
00038 
00046     class _OgreExport MeshManager: public ResourceManager, public Singleton<MeshManager>, 
00047         public ManualResourceLoader
00048     {
00049     public:
00050         MeshManager();
00051         ~MeshManager();
00052 
00054         void _initialise(void);
00055 
00078         MeshPtr load( const String& filename, const String& groupName,
00079             HardwareBuffer::Usage vertexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 
00080             HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 
00081             bool vertexBufferShadowed = true, bool indexBufferShadowed = true);
00082 
00083 
00097         MeshPtr createManual( const String& name, const String& groupName, 
00098             ManualResourceLoader* loader = 0);
00099 
00139         MeshPtr createPlane(
00140             const String& name, const String& groupName, const Plane& plane,
00141             Real width, Real height,
00142             int xsegments = 1, int ysegments = 1,
00143             bool normals = true, int numTexCoordSets = 1,
00144             Real uTile = 1.0f, Real vTile = 1.0f, const Vector3& upVector = Vector3::UNIT_Y,
00145             HardwareBuffer::Usage vertexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 
00146             HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY,
00147             bool vertexShadowBuffer = true, bool indexShadowBuffer = true);
00148 
00149         
00200         MeshPtr createCurvedIllusionPlane(
00201             const String& name, const String& groupName, const Plane& plane,
00202             Real width, Real height, Real curvature,
00203             int xsegments = 1, int ysegments = 1,
00204             bool normals = true, int numTexCoordSets = 1,
00205             Real uTile = 1.0f, Real vTile = 1.0f, const Vector3& upVector = Vector3::UNIT_Y,
00206             const Quaternion& orientation = Quaternion::IDENTITY,
00207             HardwareBuffer::Usage vertexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 
00208             HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY,
00209             bool vertexShadowBuffer = true, bool indexShadowBuffer = true, 
00210             int ySegmentsToKeep = -1);
00211 
00253         MeshPtr createCurvedPlane( 
00254             const String& name, const String& groupName, const Plane& plane, 
00255             Real width, Real height, Real bow = 0.5f, 
00256             int xsegments = 1, int ysegments = 1,
00257             bool normals = false, int numTexCoordSets = 1, 
00258             Real xTile = 1.0f, Real yTile = 1.0f, const Vector3& upVector = Vector3::UNIT_Y,
00259             HardwareBuffer::Usage vertexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 
00260             HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY,
00261             bool vertexShadowBuffer = true, bool indexShadowBuffer = true);
00262 
00297         PatchMeshPtr createBezierPatch(
00298             const String& name, const String& groupName, void* controlPointBuffer, 
00299             VertexDeclaration *declaration, size_t width, size_t height,
00300             size_t uMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL, 
00301             size_t vMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL,
00302             PatchSurface::VisibleSide visibleSide = PatchSurface::VS_FRONT,
00303             HardwareBuffer::Usage vbUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 
00304             HardwareBuffer::Usage ibUsage = HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY,
00305             bool vbUseShadow = true, bool ibUseShadow = true);
00306         
00310         void setPrepareAllMeshesForShadowVolumes(bool enable);
00312         bool getPrepareAllMeshesForShadowVolumes(void);
00313 
00329         static MeshManager& getSingleton(void);
00345         static MeshManager* getSingletonPtr(void);
00346 
00350         Real getBoundsPaddingFactor(void);
00351     
00354         void setBoundsPaddingFactor(Real paddingFactor);
00355 
00357         void loadResource(Resource* res);
00358 
00359     protected:
00361         Resource* createImpl(const String& name, ResourceHandle handle, 
00362             const String& group, bool isManual, ManualResourceLoader* loader, 
00363             const NameValuePairList* createParams);
00364         
00367         void tesselate2DMesh(SubMesh* pSub, int meshWidth, int meshHeight, 
00368             bool doubleSided = false, 
00369             HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY,
00370             bool indexSysMem = false);
00371 
00372         void createPrefabPlane(void);
00373     
00375         enum MeshBuildType
00376         {
00377             MBT_PLANE,
00378             MBT_CURVED_ILLUSION_PLANE,
00379             MBT_CURVED_PLANE
00380         };
00382         struct MeshBuildParams
00383         {
00384             MeshBuildType type;
00385             Plane plane;
00386             Real width;
00387             Real height;
00388             Real curvature;
00389             int xsegments;
00390             int ysegments;
00391             bool normals;
00392             int numTexCoordSets;
00393             Real xTile;
00394             Real yTile;
00395             Vector3 upVector;
00396             Quaternion orientation;
00397             HardwareBuffer::Usage vertexBufferUsage;
00398             HardwareBuffer::Usage indexBufferUsage;
00399             bool vertexShadowBuffer;
00400             bool indexShadowBuffer;
00401             int ySegmentsToKeep;
00402         };
00404         typedef std::map<Resource*, MeshBuildParams> MeshBuildParamsMap;
00405         MeshBuildParamsMap mMeshBuildParams;
00406 
00408         void loadManualPlane(Mesh* pMesh, MeshBuildParams& params);
00410         void loadManualCurvedPlane(Mesh* pMesh, MeshBuildParams& params);
00412         void loadManualCurvedIllusionPlane(Mesh* pMesh, MeshBuildParams& params);
00413 
00414         bool mPrepAllMeshesForShadowVolumes;
00415     
00416     //the factor by which the bounding box of an entity is padded   
00417     Real mBoundsPaddingFactor;
00418     };
00419 
00420 
00421 } //namespace
00422 
00423 #endif

Copyright © 2000-2005 by The OGRE Team
Last modified Sun Apr 10 23:21:18 2005