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) 2000-2006 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
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Last modified Sat May 10 16:25:00 2008