112 lines
3 KiB
C
112 lines
3 KiB
C
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/**
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** File : sglmesh.h
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** Description: Simple gl mesh definition
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**/
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#ifndef _sglmesh_h_
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#define _sglmesh_h_
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#include "global.h"
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#include "glstructs.h"
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#include "excptn.h"
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/*************************************************************************
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Typedefs, structs and classes
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*************************************************************************/
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typedef enum
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{
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GLPM_SOLID = 0x0001,
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GLPM_WIRE = 0x0002,
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} RenderType;
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class CSimpGlMesh
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{
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protected:
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public:
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/*
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* Vertex-Array data
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*/
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GLvertex* m_varray; // Vertex Array to store Wedges/Vertices
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GLnormal* m_narray; // Normal Array to store Normals
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GLtexCoord* m_tarray; // Texture Array
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GLface* m_farray; // Face Array
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WORD* m_wedgelist; // circular linked lists of wedges sharing the same
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// vertex
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/*
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* Material/Texture related info
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*/
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GLmaterial* m_matArray; // Array of Materials
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WORD* m_matcnt; // table of face counts per material
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#ifdef __MATPOS_IS_A_PTR
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GLface** m_matpos; // pointers to where next face of a given material
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// is inserted in the m_farray
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#else
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WORD* m_matpos; // pointers to where next face of a given material
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// is inserted in the m_farray
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#endif
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/*
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* Various counts
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*/
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DWORD m_numFaces;
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DWORD m_numWedges;
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DWORD m_numVerts;
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DWORD m_numMaterials;
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DWORD m_numTextures;
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/*
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* User-defined data
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*/
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DWORD m_userWedgeSize; // Size of user defined wedge-data
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LPVOID m_userWedge; // User defined data per wedge
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DWORD m_userVertexSize; // Size of user defined vertex-data
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LPVOID m_userVertex; // User defined data per vertex
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DWORD m_userFaceSize; // Size of user defined face-data
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LPVOID m_userFace; // User defined data per face
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public:
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//Constructor-Destructor
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CSimpGlMesh();
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virtual ~CSimpGlMesh();
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virtual HRESULT Print (ostream& os);
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virtual HRESULT RenderMesh (RenderType);
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inline DWORD GetMeshNumFaces (void) const {return m_numFaces;}
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inline DWORD GetMeshNumWedges (void) const {return m_numWedges;}
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inline DWORD GetMeshNumVerts (void) const {return m_numVerts;}
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inline DWORD GetMeshNumMaterials (void) const {return m_numMaterials;}
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inline DWORD GetMeshNumTextures (void) const {return m_numTextures;}
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inline LPGLmaterial GetMeshMaterial (int i) const
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{
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return &(m_matArray[i]);
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}
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inline WORD FindVertexIndex(WORD w) const;
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inline LPVOID GetMeshUserFaceData (void) const {return m_userFace;}
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inline LPVOID GetMeshUserWedgeData (void) const {return m_userWedge;}
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inline LPVOID GetMeshUserVertexData (void) const {return m_userVertex;}
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};
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/*
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* Inlines
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*/
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inline WORD CSimpGlMesh::FindVertexIndex(WORD w) const
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{
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WORD v = USHRT_MAX;
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WORD p = w;
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do
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{
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v = min(p,v);
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p = m_wedgelist[p];
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}
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while (p != w);
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return v;
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}
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#endif //_sglmesh_h_
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