78 lines
2.1 KiB
C
78 lines
2.1 KiB
C
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//modeltypes.h
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//type definitions for 3d models
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#ifndef __MODELTYPES
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#define __MODELTYPES
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#include "transparency.h"
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#include <OpenGL/gl.h>
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#define kDisableTransparencyFlag 0x80000000
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#define kMaterialMask (~kDisableTransparencyFlag)
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#define kFlagShadowFlag 1<<0
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#define kFlagMultiTextureFlag 1<<1
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//one vertex of a model's face.
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typedef struct{
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int vertex; //the index of the actual vertex coordinates
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int normal; //the index of the vertex normal (or -1 for none)
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int texel; //the index of the texture coordinates
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int neighbor;//the index of the face sharing the edge belonging to this vertex (or -1 for none)
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} tFaceVertex;
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//one face of a model
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typedef struct{
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int material;
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tFaceVertex vertices[3];
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} tFaceData;
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//one vertex of a model's face.
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typedef struct{
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int vertex; //the index of the actual vertex coordinates
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int normal; //the index of the vertex normal (or -1 for none)
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int texel,texel2; //the index of the texture coordinates
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int neighbor;//the index of the face sharing the edge belonging to this vertex (or -1 for none)
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} tFaceVertexMT;
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//one face of a model
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typedef struct{
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int material;
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tFaceVertexMT vertices[3];
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} tFaceDataMT;
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//the model data structure
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typedef struct{
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int vertexCount,normalCount,texelCount,faceCount,materialCount;//number of vertices,normal, etc... used
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int modelFlags; //model flags
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float maxExtends; //the distance between the farest vertex and the point (0,0,0)
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char data[1]; //the actual model data:
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// -vertexCount vertices as tVector3
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// -normalCount normals as tVector3
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// -texelCount texels as tVector2
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// -faceCount faces as tFaceData
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// -materialCount materials as tMaterial
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} tModelData;
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//a model's material structure
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typedef struct{
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char texName[32];//the filename of the texture used.
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tPolyMaterial m;//and the material structure
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}tMaterial;
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typedef struct{
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int start,num,numTransparent;
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} tMaterialArrayIndices;
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//a pointer to the model data and a GL display list reference
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typedef struct{
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GLuint arrayRef,ref;
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tMaterialArrayIndices *indices;
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tVertexArrayElement *array;
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tModelData *data;
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tVector3 center;
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float centerMaxExtends;
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}tModel;
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#endif
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