mirror of
https://github.com/leozide/leocad
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140 lines
3.3 KiB
C++
140 lines
3.3 KiB
C++
#pragma once
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#include "lc_math.h"
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enum lcMeshPrimitiveType
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{
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LC_MESH_LINES = 0x01,
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LC_MESH_TRIANGLES = 0x02,
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LC_MESH_TEXTURED_TRIANGLES = 0x08,
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LC_MESH_CONDITIONAL_LINES = 0x10,
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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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quint32 Normal;
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};
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struct lcVertexTextured
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{
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lcVector3 Position;
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quint32 Normal;
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lcVector2 TexCoord;
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};
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struct lcVertexConditional
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{
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lcVector3 Position1;
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lcVector3 Position2;
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lcVector3 Position3;
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lcVector3 Position4;
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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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lcBoundingBox BoundingBox;
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float Radius;
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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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enum class lcMeshFlag
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{
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HasDefault = 0x01, // Mesh has triangles using the default color
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HasSolid = 0x02, // Mesh has triangles using a solid color
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HasTranslucent = 0x04, // Mesh has triangles using a translucent color
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HasLines = 0x08, // Mesh has lines
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HasTexture = 0x10, // Mesh has sections using textures
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HasStyleStud = 0x20 // Mesh has a stud that can have a logo applied
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};
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Q_DECLARE_FLAGS(lcMeshFlags, lcMeshFlag)
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Q_DECLARE_OPERATORS_FOR_FLAGS(lcMeshFlags)
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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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lcMesh(const lcMesh&) = delete;
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lcMesh(lcMesh&&) = delete;
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lcMesh& operator=(const lcMesh&) = delete;
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lcMesh& operator=(lcMesh&&) = delete;
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void Create(quint16 (&NumSections)[LC_NUM_MESH_LODS], int VertexCount, int TexturedVertexCount, int ConditionalVertexCount, int IndexCount);
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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, lcVector3& HitPlane);
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bool MinIntersectDist(const lcVector3& Start, const lcVector3& End, float& MinDist, lcVector3& HitPlane);
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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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const lcVertex* GetVertexData() const
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{
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return static_cast<lcVertex*>(mVertexData);
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}
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const lcVertexTextured* GetTexturedVertexData() const
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{
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return reinterpret_cast<lcVertexTextured*>(static_cast<char*>(mVertexData) + mNumVertices * sizeof(lcVertex));
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}
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const lcVertexConditional* GetConditionalVertexData() const
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{
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return reinterpret_cast<lcVertexConditional*>(static_cast<char*>(mVertexData) + mNumVertices * sizeof(lcVertex) + mNumTexturedVertices * sizeof(lcVertexTextured));
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}
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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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lcMeshFlags mFlags;
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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 mConditionalVertexCount;
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int mIndexType;
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};
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