[1] | 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under |
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 12 | Foundation; either version 2 of the License, or (at your option) any later |
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| 13 | version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with |
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 22 | http://www.gnu.org/copyleft/lesser.txt. |
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| 23 | |
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| 24 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | |
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| 30 | #ifndef __MeshSerializerImpl_H__ |
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| 31 | #define __MeshSerializerImpl_H__ |
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| 32 | |
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| 33 | #include "OgrePrerequisites.h" |
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| 34 | #include "OgreString.h" |
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| 35 | #include "OgreSerializer.h" |
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| 36 | #include "OgreMaterial.h" |
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| 37 | #include "OgreMesh.h" |
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| 38 | #include "OgreEdgeListBuilder.h" |
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| 39 | |
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| 40 | namespace Ogre { |
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| 41 | |
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| 42 | |
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| 43 | /** Internal implementation of Mesh reading / writing for the latest version of the |
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| 44 | .mesh format. |
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| 45 | @remarks |
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| 46 | In order to maintain compatibility with older versions of the .mesh format, there |
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| 47 | will be alternative subclasses of this class to load older versions, whilst this class |
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| 48 | will remain to load the latest version. |
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| 49 | */ |
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| 50 | class _OgrePrivate MeshSerializerImpl : public Serializer |
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| 51 | { |
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| 52 | public: |
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| 53 | MeshSerializerImpl(); |
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| 54 | virtual ~MeshSerializerImpl(); |
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| 55 | /** Exports a mesh to the file specified. |
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| 56 | @remarks |
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| 57 | This method takes an externally created Mesh object, and exports both it |
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| 58 | and optionally the Materials it uses to a .mesh file. |
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| 59 | @param pMesh Pointer to the Mesh to export |
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| 60 | @param filename The destination filename |
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| 61 | @param endianMode The endian mode for the written file |
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| 62 | */ |
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| 63 | void exportMesh(const Mesh* pMesh, const String& filename, |
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| 64 | Endian endianMode = ENDIAN_NATIVE); |
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| 65 | |
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| 66 | /** Imports Mesh and (optionally) Material data from a .mesh file DataStream. |
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| 67 | @remarks |
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| 68 | This method imports data from a DataStream opened from a .mesh file and places it's |
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| 69 | contents into the Mesh object which is passed in. |
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| 70 | @param stream The DataStream holding the .mesh data. Must be initialised (pos at the start of the buffer). |
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| 71 | @param pDest Pointer to the Mesh object which will receive the data. Should be blank already. |
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| 72 | */ |
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| 73 | void importMesh(DataStreamPtr& stream, Mesh* pDest); |
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| 74 | |
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| 75 | protected: |
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| 76 | |
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| 77 | // Internal methods |
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| 78 | virtual void writeSubMeshNameTable(const Mesh* pMesh); |
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| 79 | virtual void writeMesh(const Mesh* pMesh); |
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| 80 | virtual void writeSubMesh(const SubMesh* s); |
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| 81 | virtual void writeSubMeshOperation(const SubMesh* s); |
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| 82 | virtual void writeSubMeshTextureAliases(const SubMesh* s); |
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| 83 | virtual void writeGeometry(const VertexData* pGeom); |
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| 84 | virtual void writeSkeletonLink(const String& skelName); |
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| 85 | virtual void writeMeshBoneAssignment(const VertexBoneAssignment& assign); |
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| 86 | virtual void writeSubMeshBoneAssignment(const VertexBoneAssignment& assign); |
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| 87 | virtual void writeLodInfo(const Mesh* pMesh); |
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| 88 | virtual void writeLodSummary(unsigned short numLevels, bool manual); |
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| 89 | virtual void writeLodUsageManual(const MeshLodUsage& usage); |
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| 90 | virtual void writeLodUsageGenerated(const Mesh* pMesh, const MeshLodUsage& usage, unsigned short lodNum); |
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| 91 | virtual void writeBoundsInfo(const Mesh* pMesh); |
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| 92 | virtual void writeEdgeList(const Mesh* pMesh); |
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| 93 | virtual void writeAnimations(const Mesh* pMesh); |
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| 94 | virtual void writeAnimation(const Animation* anim); |
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| 95 | virtual void writePoses(const Mesh* pMesh); |
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| 96 | virtual void writePose(const Pose* pose); |
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| 97 | virtual void writeAnimationTrack(const VertexAnimationTrack* track); |
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| 98 | virtual void writeMorphKeyframe(const VertexMorphKeyFrame* kf, size_t vertexCount); |
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| 99 | virtual void writePoseKeyframe(const VertexPoseKeyFrame* kf); |
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| 100 | virtual void writePoseKeyframePoseRef(const VertexPoseKeyFrame::PoseRef& poseRef); |
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| 101 | virtual void writeExtremes(const Mesh *pMesh); |
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| 102 | virtual void writeSubMeshExtremes(unsigned short idx, const SubMesh* s); |
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| 103 | |
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| 104 | virtual size_t calcMeshSize(const Mesh* pMesh); |
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| 105 | virtual size_t calcSubMeshSize(const SubMesh* pSub); |
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| 106 | virtual size_t calcGeometrySize(const VertexData* pGeom); |
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| 107 | virtual size_t calcSkeletonLinkSize(const String& skelName); |
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| 108 | virtual size_t calcBoneAssignmentSize(void); |
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| 109 | virtual size_t calcSubMeshOperationSize(const SubMesh* pSub); |
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| 110 | virtual size_t calcSubMeshNameTableSize(const Mesh* pMesh); |
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| 111 | virtual size_t calcEdgeListSize(const Mesh* pMesh); |
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| 112 | virtual size_t calcEdgeListLodSize(const EdgeData* data, bool isManual); |
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| 113 | virtual size_t calcEdgeGroupSize(const EdgeData::EdgeGroup& group); |
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| 114 | virtual size_t calcPosesSize(const Mesh* pMesh); |
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| 115 | virtual size_t calcPoseSize(const Pose* pose); |
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| 116 | virtual size_t calcAnimationsSize(const Mesh* pMesh); |
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| 117 | virtual size_t calcAnimationSize(const Animation* anim); |
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| 118 | virtual size_t calcAnimationTrackSize(const VertexAnimationTrack* track); |
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| 119 | virtual size_t calcMorphKeyframeSize(const VertexMorphKeyFrame* kf, size_t vertexCount); |
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| 120 | virtual size_t calcPoseKeyframeSize(const VertexPoseKeyFrame* kf); |
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| 121 | virtual size_t calcPoseKeyframePoseRefSize(void); |
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| 122 | virtual size_t calcPoseVertexSize(void); |
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| 123 | virtual size_t calcSubMeshTextureAliasesSize(const SubMesh* pSub); |
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| 124 | |
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| 125 | |
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| 126 | virtual void readTextureLayer(DataStreamPtr& stream, Mesh* pMesh, MaterialPtr& pMat); |
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| 127 | virtual void readSubMeshNameTable(DataStreamPtr& stream, Mesh* pMesh); |
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| 128 | virtual void readMesh(DataStreamPtr& stream, Mesh* pMesh); |
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| 129 | virtual void readSubMesh(DataStreamPtr& stream, Mesh* pMesh); |
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| 130 | virtual void readSubMeshOperation(DataStreamPtr& stream, Mesh* pMesh, SubMesh* sub); |
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| 131 | virtual void readSubMeshTextureAlias(DataStreamPtr& stream, Mesh* pMesh, SubMesh* sub); |
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| 132 | virtual void readGeometry(DataStreamPtr& stream, Mesh* pMesh, VertexData* dest); |
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| 133 | virtual void readGeometryVertexDeclaration(DataStreamPtr& stream, Mesh* pMesh, VertexData* dest); |
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| 134 | virtual void readGeometryVertexElement(DataStreamPtr& stream, Mesh* pMesh, VertexData* dest); |
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| 135 | virtual void readGeometryVertexBuffer(DataStreamPtr& stream, Mesh* pMesh, VertexData* dest); |
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| 136 | |
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| 137 | virtual void readSkeletonLink(DataStreamPtr& stream, Mesh* pMesh); |
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| 138 | virtual void readMeshBoneAssignment(DataStreamPtr& stream, Mesh* pMesh); |
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| 139 | virtual void readSubMeshBoneAssignment(DataStreamPtr& stream, Mesh* pMesh, |
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| 140 | SubMesh* sub); |
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| 141 | virtual void readMeshLodInfo(DataStreamPtr& stream, Mesh* pMesh); |
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| 142 | virtual void readMeshLodUsageManual(DataStreamPtr& stream, Mesh* pMesh, |
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| 143 | unsigned short lodNum, MeshLodUsage& usage); |
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| 144 | virtual void readMeshLodUsageGenerated(DataStreamPtr& stream, Mesh* pMesh, |
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| 145 | unsigned short lodNum, MeshLodUsage& usage); |
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| 146 | virtual void readBoundsInfo(DataStreamPtr& stream, Mesh* pMesh); |
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| 147 | virtual void readEdgeList(DataStreamPtr& stream, Mesh* pMesh); |
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| 148 | virtual void readEdgeListLodInfo(DataStreamPtr& stream, EdgeData* edgeData); |
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| 149 | virtual void readPoses(DataStreamPtr& stream, Mesh* pMesh); |
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| 150 | virtual void readPose(DataStreamPtr& stream, Mesh* pMesh); |
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| 151 | virtual void readAnimations(DataStreamPtr& stream, Mesh* pMesh); |
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| 152 | virtual void readAnimation(DataStreamPtr& stream, Mesh* pMesh); |
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| 153 | virtual void readAnimationTrack(DataStreamPtr& stream, Animation* anim, |
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| 154 | Mesh* pMesh); |
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| 155 | virtual void readMorphKeyFrame(DataStreamPtr& stream, VertexAnimationTrack* track); |
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| 156 | virtual void readPoseKeyFrame(DataStreamPtr& stream, VertexAnimationTrack* track); |
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| 157 | virtual void readExtremes(DataStreamPtr& stream, Mesh *pMesh); |
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| 158 | |
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| 159 | |
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| 160 | /// Flip an entire vertex buffer from little endian |
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| 161 | virtual void flipFromLittleEndian(void* pData, size_t vertexCount, size_t vertexSize, const VertexDeclaration::VertexElementList& elems); |
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| 162 | /// Flip an entire vertex buffer to little endian |
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| 163 | virtual void flipToLittleEndian(void* pData, size_t vertexCount, size_t vertexSize, const VertexDeclaration::VertexElementList& elems); |
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| 164 | /// Flip the endianness of an entire vertex buffer, passed in as a |
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| 165 | /// pointer to locked or temporary memory |
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| 166 | virtual void flipEndian(void* pData, size_t vertexCount, size_t vertexSize, const VertexDeclaration::VertexElementList& elems); |
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| 167 | |
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| 168 | |
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| 169 | |
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| 170 | }; |
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| 171 | |
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| 172 | /** Class for providing backwards-compatibility for loading version 1.3 of the .mesh format. */ |
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| 173 | class _OgrePrivate MeshSerializerImpl_v1_3 : public MeshSerializerImpl |
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| 174 | { |
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| 175 | public: |
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| 176 | MeshSerializerImpl_v1_3(); |
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| 177 | ~MeshSerializerImpl_v1_3(); |
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| 178 | protected: |
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| 179 | virtual void readEdgeListLodInfo(DataStreamPtr& stream, EdgeData* edgeData); |
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| 180 | |
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| 181 | /// Reorganise triangles of the edge list to group by vertex set |
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| 182 | virtual void reorganiseTriangles(EdgeData* edgeData); |
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| 183 | }; |
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| 184 | |
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| 185 | /** Class for providing backwards-compatibility for loading version 1.2 of the .mesh format. */ |
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| 186 | class _OgrePrivate MeshSerializerImpl_v1_2 : public MeshSerializerImpl_v1_3 |
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| 187 | { |
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| 188 | public: |
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| 189 | MeshSerializerImpl_v1_2(); |
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| 190 | ~MeshSerializerImpl_v1_2(); |
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| 191 | protected: |
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| 192 | virtual void readMesh(DataStreamPtr& stream, Mesh* pMesh); |
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| 193 | virtual void readGeometry(DataStreamPtr& stream, Mesh* pMesh, VertexData* dest); |
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| 194 | virtual void readGeometryPositions(unsigned short bindIdx, DataStreamPtr& stream, |
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| 195 | Mesh* pMesh, VertexData* dest); |
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| 196 | virtual void readGeometryNormals(unsigned short bindIdx, DataStreamPtr& stream, |
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| 197 | Mesh* pMesh, VertexData* dest); |
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| 198 | virtual void readGeometryColours(unsigned short bindIdx, DataStreamPtr& stream, |
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| 199 | Mesh* pMesh, VertexData* dest); |
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| 200 | virtual void readGeometryTexCoords(unsigned short bindIdx, DataStreamPtr& stream, |
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| 201 | Mesh* pMesh, VertexData* dest, unsigned short set); |
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| 202 | }; |
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| 203 | |
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| 204 | /** Class for providing backwards-compatibility for loading version 1.1 of the .mesh format. */ |
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| 205 | class _OgrePrivate MeshSerializerImpl_v1_1 : public MeshSerializerImpl_v1_2 |
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| 206 | { |
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| 207 | public: |
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| 208 | MeshSerializerImpl_v1_1(); |
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| 209 | ~MeshSerializerImpl_v1_1(); |
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| 210 | protected: |
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| 211 | void readGeometryTexCoords(unsigned short bindIdx, DataStreamPtr& stream, |
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| 212 | Mesh* pMesh, VertexData* dest, unsigned short set); |
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| 213 | }; |
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| 214 | |
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| 215 | |
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| 216 | } |
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| 217 | |
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| 218 | #endif |
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