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) 2000-2006 Torus Knot Software Ltd 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 You may alternatively use this source under the terms of a specific version of 00025 the OGRE Unrestricted License provided you have obtained such a license from 00026 Torus Knot Software Ltd. 00027 ----------------------------------------------------------------------------- 00028 */ 00029 #ifndef __MeshManager_H__ 00030 #define __MeshManager_H__ 00031 00032 #include "OgrePrerequisites.h" 00033 00034 #include "OgreResourceManager.h" 00035 #include "OgreSingleton.h" 00036 #include "OgreVector3.h" 00037 #include "OgreHardwareBuffer.h" 00038 #include "OgreMesh.h" 00039 #include "OgrePatchMesh.h" 00040 00041 namespace Ogre { 00042 00050 class _OgreExport MeshManager: public ResourceManager, public Singleton<MeshManager>, 00051 public ManualResourceLoader 00052 { 00053 public: 00054 MeshManager(); 00055 ~MeshManager(); 00056 00058 void _initialise(void); 00059 00082 MeshPtr load( const String& filename, const String& groupName, 00083 HardwareBuffer::Usage vertexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00084 HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00085 bool vertexBufferShadowed = true, bool indexBufferShadowed = true); 00086 00087 00101 MeshPtr createManual( const String& name, const String& groupName, 00102 ManualResourceLoader* loader = 0); 00103 00143 MeshPtr createPlane( 00144 const String& name, const String& groupName, const Plane& plane, 00145 Real width, Real height, 00146 int xsegments = 1, int ysegments = 1, 00147 bool normals = true, int numTexCoordSets = 1, 00148 Real uTile = 1.0f, Real vTile = 1.0f, const Vector3& upVector = Vector3::UNIT_Y, 00149 HardwareBuffer::Usage vertexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00150 HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00151 bool vertexShadowBuffer = true, bool indexShadowBuffer = true); 00152 00153 00204 MeshPtr createCurvedIllusionPlane( 00205 const String& name, const String& groupName, const Plane& plane, 00206 Real width, Real height, Real curvature, 00207 int xsegments = 1, int ysegments = 1, 00208 bool normals = true, int numTexCoordSets = 1, 00209 Real uTile = 1.0f, Real vTile = 1.0f, const Vector3& upVector = Vector3::UNIT_Y, 00210 const Quaternion& orientation = Quaternion::IDENTITY, 00211 HardwareBuffer::Usage vertexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00212 HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00213 bool vertexShadowBuffer = true, bool indexShadowBuffer = true, 00214 int ySegmentsToKeep = -1); 00215 00257 MeshPtr createCurvedPlane( 00258 const String& name, const String& groupName, const Plane& plane, 00259 Real width, Real height, Real bow = 0.5f, 00260 int xsegments = 1, int ysegments = 1, 00261 bool normals = false, int numTexCoordSets = 1, 00262 Real xTile = 1.0f, Real yTile = 1.0f, const Vector3& upVector = Vector3::UNIT_Y, 00263 HardwareBuffer::Usage vertexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00264 HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00265 bool vertexShadowBuffer = true, bool indexShadowBuffer = true); 00266 00303 PatchMeshPtr createBezierPatch( 00304 const String& name, const String& groupName, void* controlPointBuffer, 00305 VertexDeclaration *declaration, size_t width, size_t height, 00306 size_t uMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL, 00307 size_t vMaxSubdivisionLevel = PatchSurface::AUTO_LEVEL, 00308 PatchSurface::VisibleSide visibleSide = PatchSurface::VS_FRONT, 00309 HardwareBuffer::Usage vbUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00310 HardwareBuffer::Usage ibUsage = HardwareBuffer::HBU_DYNAMIC_WRITE_ONLY, 00311 bool vbUseShadow = true, bool ibUseShadow = true); 00312 00316 void setPrepareAllMeshesForShadowVolumes(bool enable); 00318 bool getPrepareAllMeshesForShadowVolumes(void); 00319 00335 static MeshManager& getSingleton(void); 00351 static MeshManager* getSingletonPtr(void); 00352 00356 Real getBoundsPaddingFactor(void); 00357 00360 void setBoundsPaddingFactor(Real paddingFactor); 00361 00363 void loadResource(Resource* res); 00364 00365 protected: 00367 Resource* createImpl(const String& name, ResourceHandle handle, 00368 const String& group, bool isManual, ManualResourceLoader* loader, 00369 const NameValuePairList* createParams); 00370 00373 void tesselate2DMesh(SubMesh* pSub, int meshWidth, int meshHeight, 00374 bool doubleSided = false, 00375 HardwareBuffer::Usage indexBufferUsage = HardwareBuffer::HBU_STATIC_WRITE_ONLY, 00376 bool indexSysMem = false); 00377 00378 void createPrefabPlane(void); 00379 void createPrefabCube(void); 00380 void createPrefabSphere(void); 00381 00383 enum MeshBuildType 00384 { 00385 MBT_PLANE, 00386 MBT_CURVED_ILLUSION_PLANE, 00387 MBT_CURVED_PLANE 00388 }; 00390 struct MeshBuildParams 00391 { 00392 MeshBuildType type; 00393 Plane plane; 00394 Real width; 00395 Real height; 00396 Real curvature; 00397 int xsegments; 00398 int ysegments; 00399 bool normals; 00400 int numTexCoordSets; 00401 Real xTile; 00402 Real yTile; 00403 Vector3 upVector; 00404 Quaternion orientation; 00405 HardwareBuffer::Usage vertexBufferUsage; 00406 HardwareBuffer::Usage indexBufferUsage; 00407 bool vertexShadowBuffer; 00408 bool indexShadowBuffer; 00409 int ySegmentsToKeep; 00410 }; 00412 typedef std::map<Resource*, MeshBuildParams> MeshBuildParamsMap; 00413 MeshBuildParamsMap mMeshBuildParams; 00414 00416 void loadManualPlane(Mesh* pMesh, MeshBuildParams& params); 00418 void loadManualCurvedPlane(Mesh* pMesh, MeshBuildParams& params); 00420 void loadManualCurvedIllusionPlane(Mesh* pMesh, MeshBuildParams& params); 00421 00422 bool mPrepAllMeshesForShadowVolumes; 00423 00424 //the factor by which the bounding box of an entity is padded 00425 Real mBoundsPaddingFactor; 00426 }; 00427 00428 00429 } //namespace 00430 00431 #endif
Copyright © 2000-2005 by The OGRE Team
This work is licensed under a Creative Commons Attribution-ShareAlike 2.5 License.
Last modified Mon Jun 16 12:48:53 2008