mirror of
https://github.com/leozide/leocad
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117 lines
2.3 KiB
C++
117 lines
2.3 KiB
C++
#ifndef _LC_MESH_H_
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#define _LC_MESH_H_
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#include "lc_math.h"
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#define LC_MESH_FILE_ID LC_FOURCC('M', 'E', 'S', 'H')
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#define LC_MESH_FILE_VERSION 0x0111
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enum lcMeshPrimitiveType
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{
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LC_MESH_LINES,
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LC_MESH_TRIANGLES,
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LC_MESH_TEXTURED_LINES,
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LC_MESH_TEXTURED_TRIANGLES,
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LC_MESH_CONDITIONAL_LINES,
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LC_MESH_NUM_PRIMITIVE_TYPES
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};
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struct lcVertex
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{
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lcVector3 Position;
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};
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struct lcVertexTextured
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{
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lcVector3 Position;
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lcVector2 TexCoord;
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};
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struct lcMeshSection
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{
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int ColorIndex;
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int IndexOffset;
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int NumIndices;
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lcMeshPrimitiveType PrimitiveType;
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lcTexture* Texture;
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};
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struct lcMeshLod
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{
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lcMeshSection* Sections;
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int NumSections;
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};
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enum
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{
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LC_MESH_LOD_HIGH,
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LC_MESH_LOD_LOW,
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LC_NUM_MESH_LODS
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};
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class lcMesh
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{
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public:
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lcMesh();
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~lcMesh();
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void Create(lcuint16 NumSections[LC_NUM_MESH_LODS], int NumVertices, int NumTexturedVertices, int NumIndices);
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void CreateBox();
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bool FileLoad(lcMemFile& File);
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bool FileSave(lcMemFile& File);
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template<typename IndexType>
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void ExportPOVRay(lcFile& File, const char* MeshName, const char* ColorTable);
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void ExportPOVRay(lcFile& File, const char* MeshName, const char* ColorTable);
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template<typename IndexType>
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void ExportWavefrontIndices(lcFile& File, int DefaultColorIndex, int VertexOffset);
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void ExportWavefrontIndices(lcFile& File, int DefaultColorIndex, int VertexOffset);
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template<typename IndexType>
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bool MinIntersectDist(const lcVector3& Start, const lcVector3& End, float& MinDist);
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bool MinIntersectDist(const lcVector3& Start, const lcVector3& End, float& MinDist);
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template<typename IndexType>
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bool IntersectsPlanes(const lcVector4 Planes[6]);
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bool IntersectsPlanes(const lcVector4 Planes[6]);
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int GetLodIndex(float Distance) const;
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lcMeshLod mLods[LC_NUM_MESH_LODS];
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lcBoundingBox mBoundingBox;
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float mRadius;
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void* mVertexData;
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int mVertexDataSize;
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void* mIndexData;
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int mIndexDataSize;
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int mVertexCacheOffset;
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int mIndexCacheOffset;
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int mNumVertices;
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int mNumTexturedVertices;
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int mIndexType;
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};
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enum lcRenderMeshState
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{
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LC_RENDERMESH_NONE,
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LC_RENDERMESH_SELECTED,
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LC_RENDERMESH_FOCUSED
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};
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struct lcRenderMesh
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{
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lcMatrix44 WorldMatrix;
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lcMesh* Mesh;
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float Distance;
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int ColorIndex;
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int LodIndex;
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lcRenderMeshState State;
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};
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extern lcMesh* gPlaceholderMesh;
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#endif // _LC_MESH_H_
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