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rubberduckycooly
GitHub Repository: rubberduckycooly/Sonic-1-2-2013-Decompilation
 Path: blob/main/RSDKv4/Scene3D.hpp
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#ifndef DRAWING3D_H

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#define DRAWING3D_H

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#define VERTEXBUFFER_SIZE (0x1000)

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#define FACEBUFFER_SIZE   (0x400)

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enum FaceFlags {

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    FACE_FLAG_TEXTURED_3D      = 0,

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    FACE_FLAG_TEXTURED_2D      = 1,

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    FACE_FLAG_COLORED_3D       = 2,

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    FACE_FLAG_COLORED_2D       = 3,

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    FACE_FLAG_FADED            = 4,

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    FACE_FLAG_TEXTURED_C       = 5,

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    FACE_FLAG_TEXTURED_C_BLEND = 6,

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    FACE_FLAG_3DSPRITE         = 7

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};

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enum MatrixTypes {

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    MAT_WORLD = 0,

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    MAT_VIEW  = 1,

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    MAT_TEMP  = 2,

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};

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struct Matrix {

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    int values[4][4];

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};

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struct Vertex {

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    int x;

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    int y;

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    int z;

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    int u;

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    int v;

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};

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struct Face {

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    int a;

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    int b;

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    int c;

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    int d;

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    uint color;

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    int flag;

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};

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struct DrawListEntry3D {

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    int faceID;

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    int depth;

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};

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extern int vertexCount;

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extern int faceCount;

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extern Matrix matFinal;

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extern Matrix matWorld;

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extern Matrix matView;

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extern Matrix matTemp;

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extern Face faceBuffer[FACEBUFFER_SIZE];

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extern Vertex vertexBuffer[VERTEXBUFFER_SIZE];

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extern Vertex vertexBufferT[VERTEXBUFFER_SIZE];

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extern DrawListEntry3D drawList3D[FACEBUFFER_SIZE];

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extern int projectionX;

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extern int projectionY;

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extern int fogColor;

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extern int fogStrength;

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extern int faceLineStart[SCREEN_YSIZE];

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extern int faceLineEnd[SCREEN_YSIZE];

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extern int faceLineStartU[SCREEN_YSIZE];

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extern int faceLineEndU[SCREEN_YSIZE];

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extern int faceLineStartV[SCREEN_YSIZE];

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extern int faceLineEndV[SCREEN_YSIZE];

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void SetIdentityMatrix(Matrix *matrix);

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void MatrixMultiply(Matrix *matrixA, Matrix *matrixB);

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void MatrixTranslateXYZ(Matrix *Matrix, int x, int y, int z);

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void MatrixScaleXYZ(Matrix *matrix, int scaleX, int scaleY, int scaleZ);

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void MatrixRotateX(Matrix *matrix, int rotationX);

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void MatrixRotateY(Matrix *matrix, int rotationY);

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void MatrixRotateZ(Matrix *matrix, int rotationZ);

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void MatrixRotateXYZ(Matrix *matrix, short rotationX, short rotationY, short rotationZ);

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#if !RETRO_REV00

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void MatrixInverse(Matrix *matrix);

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#endif

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void TransformVertexBuffer();

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void TransformVertices(Matrix *matrix, int startIndex, int endIndex);

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void Sort3DDrawList();

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void Draw3DScene(int spriteSheetID);

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void ProcessScanEdge(Vertex *vertA, Vertex *vertB);

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void ProcessScanEdgeUV(Vertex *vertA, Vertex *vertB);

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#endif // !DRAWING3D_H

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