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git-svn-id: svn://svn.code.sf.net/p/irrlicht/code/trunk@6000 dfc29bdd-3216-0410-991c-e03cc46cb475
270 lines
7.0 KiB
C++
270 lines
7.0 KiB
C++
// Copyright (C) 2002-2012 Nikolaus Gebhardt
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// This file is part of the "Irrlicht Engine".
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// For conditions of distribution and use, see copyright notice in irrlicht.h
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// originally written by Christian Stehno, modified by Nikolaus Gebhardt
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#ifndef __C_OGRE_MESH_FILE_LOADER_H_INCLUDED__
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#define __C_OGRE_MESH_FILE_LOADER_H_INCLUDED__
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#include "IMeshLoader.h"
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#include "IFileSystem.h"
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#include "IVideoDriver.h"
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#include "irrString.h"
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#include "SMesh.h"
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#include "SMeshBuffer.h"
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#include "SMeshBufferLightMap.h"
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#include "IMeshManipulator.h"
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#include "matrix4.h"
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#include "quaternion.h"
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#include "CSkinnedMesh.h"
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namespace irr
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{
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namespace scene
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{
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//! Meshloader capable of loading ogre meshes.
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class COgreMeshFileLoader : public IMeshLoader
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{
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public:
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//! Constructor
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COgreMeshFileLoader(io::IFileSystem* fs, video::IVideoDriver* driver);
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//! destructor
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virtual ~COgreMeshFileLoader();
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//! returns true if the file maybe is able to be loaded by this class
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//! based on the file extension (e.g. ".cob")
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virtual bool isALoadableFileExtension(const io::path& filename) const _IRR_OVERRIDE_;
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//! creates/loads an animated mesh from the file.
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//! \return Pointer to the created mesh. Returns 0 if loading failed.
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//! If you no longer need the mesh, you should call IAnimatedMesh::drop().
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//! See IReferenceCounted::drop() for more information.
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virtual IAnimatedMesh* createMesh(io::IReadFile* file) _IRR_OVERRIDE_;
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private:
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// byte-align structures
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#include "irrpack.h"
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struct ChunkHeader
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{
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u16 id;
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u32 length;
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} PACK_STRUCT;
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// Default alignment
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#include "irrunpack.h"
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struct ChunkData
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{
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ChunkData() : read(0) {}
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ChunkHeader header;
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u32 read;
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};
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struct OgreTexture
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{
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core::array<core::stringc> Filename;
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core::stringc Alias;
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core::stringc CoordsType;
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core::stringc MipMaps;
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core::stringc Alpha;
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};
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struct OgrePass
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{
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OgrePass() : AmbientTokenColor(false),
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DiffuseTokenColor(false), SpecularTokenColor(false),
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EmissiveTokenColor(false),
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MaxLights(8), PointSize(1.0f), PointSprites(false),
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PointSizeMin(0), PointSizeMax(0) {}
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video::SMaterial Material;
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OgreTexture Texture;
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bool AmbientTokenColor;
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bool DiffuseTokenColor;
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bool SpecularTokenColor;
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bool EmissiveTokenColor;
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u32 MaxLights;
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f32 PointSize;
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bool PointSprites;
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u32 PointSizeMin;
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u32 PointSizeMax;
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};
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struct OgreTechnique
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{
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OgreTechnique() : Name(""), LODIndex(0) {}
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core::stringc Name;
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core::stringc Scheme;
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u16 LODIndex;
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core::array<OgrePass> Passes;
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};
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struct OgreMaterial
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{
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OgreMaterial() : Name(""), ReceiveShadows(true),
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TransparencyCastsShadows(false) {}
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core::stringc Name;
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bool ReceiveShadows;
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bool TransparencyCastsShadows;
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core::array<f32> LODDistances;
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core::array<OgreTechnique> Techniques;
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};
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struct OgreVertexBuffer
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{
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OgreVertexBuffer() : BindIndex(0), VertexSize(0), Data(0) {}
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u16 BindIndex;
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u16 VertexSize;
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core::array<f32> Data;
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};
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struct OgreVertexElement
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{
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u16 Source,
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Type,
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Semantic,
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Offset,
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Index;
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};
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struct OgreGeometry
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{
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s32 NumVertex;
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core::array<OgreVertexElement> Elements;
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core::array<OgreVertexBuffer> Buffers;
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core::array<core::vector3df> Vertices;
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core::array<core::vector3df> Normals;
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core::array<s32> Colors;
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core::array<core::vector2df> TexCoords;
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};
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struct OgreTextureAlias
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{
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OgreTextureAlias() {};
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OgreTextureAlias(const core::stringc& a, const core::stringc& b) : Texture(a), Alias(b) {};
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core::stringc Texture;
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core::stringc Alias;
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};
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struct OgreBoneAssignment
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{
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s32 VertexID;
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u16 BoneID;
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f32 Weight;
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};
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struct OgreSubMesh
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{
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core::stringc Material;
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bool SharedVertices;
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core::array<s32> Indices;
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OgreGeometry Geometry;
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u16 Operation;
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core::array<OgreTextureAlias> TextureAliases;
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core::array<OgreBoneAssignment> BoneAssignments;
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bool Indices32Bit;
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};
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struct OgreMesh
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{
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bool SkeletalAnimation;
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OgreGeometry Geometry;
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core::array<OgreSubMesh> SubMeshes;
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core::array<OgreBoneAssignment> BoneAssignments;
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core::vector3df BBoxMinEdge;
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core::vector3df BBoxMaxEdge;
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f32 BBoxRadius;
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};
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struct OgreBone
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{
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core::stringc Name;
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core::vector3df Position;
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core::quaternion Orientation;
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core::vector3df Scale;
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u16 Handle;
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u16 Parent;
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};
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struct OgreKeyframe
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{
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u16 BoneID;
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f32 Time;
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core::vector3df Position;
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core::quaternion Orientation;
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core::vector3df Scale;
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};
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struct OgreAnimation
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{
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core::stringc Name;
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f32 Length;
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core::array<OgreKeyframe> Keyframes;
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};
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struct OgreSkeleton
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{
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core::array<OgreBone> Bones;
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core::array<OgreAnimation> Animations;
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};
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bool readChunk(io::IReadFile* file);
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bool readObjectChunk(io::IReadFile* file, ChunkData& parent, OgreMesh& mesh);
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bool readGeometry(io::IReadFile* file, ChunkData& parent, OgreGeometry& geometry);
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bool readVertexDeclaration(io::IReadFile* file, ChunkData& parent, OgreGeometry& geometry);
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bool readVertexBuffer(io::IReadFile* file, ChunkData& parent, OgreGeometry& geometry);
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bool readSubMesh(io::IReadFile* file, ChunkData& parent, OgreSubMesh& subMesh);
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void readChunkData(io::IReadFile* file, ChunkData& data);
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void readString(io::IReadFile* file, ChunkData& data, core::stringc& out);
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void readBool(io::IReadFile* file, ChunkData& data, bool& out);
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void readInt(io::IReadFile* file, ChunkData& data, s32* out, u32 num=1);
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void readShort(io::IReadFile* file, ChunkData& data, u16* out, u32 num=1);
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void readFloat(io::IReadFile* file, ChunkData& data, f32* out, u32 num=1);
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void readVector(io::IReadFile* file, ChunkData& data, core::vector3df& out);
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void readQuaternion(io::IReadFile* file, ChunkData& data, core::quaternion& out);
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void composeMeshBufferMaterial(scene::IMeshBuffer* mb, const core::stringc& materialName);
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scene::SMeshBuffer* composeMeshBuffer(const core::array<s32>& indices, const OgreGeometry& geom);
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scene::SMeshBufferLightMap* composeMeshBufferLightMap(const core::array<s32>& indices, const OgreGeometry& geom);
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scene::IMeshBuffer* composeMeshBufferSkinned(scene::CSkinnedMesh& mesh, const core::array<s32>& indices, const OgreGeometry& geom);
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void composeObject(void);
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bool readColor(io::IReadFile* meshFile, video::SColor& col);
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void getMaterialToken(io::IReadFile* file, core::stringc& token, bool noNewLine=false);
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void readTechnique(io::IReadFile* meshFile, OgreMaterial& mat);
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void readPass(io::IReadFile* file, OgreTechnique& technique);
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void loadMaterials(io::IReadFile* file);
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bool loadSkeleton(io::IReadFile* meshFile, const core::stringc& name);
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void clearMeshes();
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io::IFileSystem* FileSystem;
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video::IVideoDriver* Driver;
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core::stringc Version;
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bool SwapEndian;
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core::array<OgreMesh> Meshes;
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io::path CurrentlyLoadingFromPath;
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core::array<OgreMaterial> Materials;
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OgreSkeleton Skeleton;
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IMesh* Mesh;
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u32 NumUV;
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};
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} // end namespace scene
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} // end namespace irr
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#endif
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