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#ifndef SYS_MATRIX_H
#define SYS_MATRIX_H
#include "z_math.h"
struct GraphicsContext;
struct GameState;
typedef enum MatrixMode {
/* 0 */ MTXMODE_NEW, // generates a new matrix
/* 1 */ MTXMODE_APPLY // applies transformation to the current matrix
} MatrixMode;
extern Mtx gIdentityMtx;
extern MtxF gIdentityMtxF;
/* Stack operations */
void Matrix_Init(struct GameState* gameState);
void Matrix_Push(void);
void Matrix_Pop(void);
void Matrix_Get(MtxF* dest);
void Matrix_Put(MtxF* src);
/* Basic operations */
void Matrix_Mult(MtxF* mf, u8 mode);
void Matrix_Translate(f32 x, f32 y, f32 z, u8 mode);
void Matrix_Scale(f32 x, f32 y, f32 z, u8 mode);
void Matrix_RotateX(f32 x, u8 mode);
void Matrix_RotateY(f32 y, u8 mode);
void Matrix_RotateZ(f32 z, u8 mode);
/* Compound operations */
void Matrix_RotateZYX(s16 x, s16 y, s16 z, u8 mode);
void Matrix_TranslateRotateZYX(Vec3f* translation, Vec3s* rotation);
void Matrix_SetTranslateRotateYXZ(f32 translateX, f32 translateY, f32 translateZ, Vec3s* rot);
void Matrix_SetTranslateScaleMtx2(Mtx* mtx, f32 scaleX, f32 scaleY, f32 scaleZ, f32 translateX, f32 translateY,
f32 translateZ);
/* Conversion and allocation operations */
Mtx* Matrix_MtxFToMtx(MtxF* src, Mtx* dest);
#if DEBUG_FEATURES
Mtx* Matrix_ToMtx(Mtx* dest, const char* file, int line);
Mtx* Matrix_Finalize(struct GraphicsContext* gfxCtx, const char* file, int line);
MtxF* Matrix_CheckFloats(MtxF* mf, const char* file, int line);
#define MATRIX_TO_MTX(gfxCtx, file, line) Matrix_ToMtx(gfxCtx, file, line)
#define MATRIX_FINALIZE(gfxCtx, file, line) Matrix_Finalize(gfxCtx, file, line)
#define MATRIX_CHECK_FLOATS(mtx, file, line) Matrix_CheckFloats(mtx, file, line)
#else
Mtx* Matrix_ToMtx(Mtx* dest);
Mtx* Matrix_Finalize(struct GraphicsContext* gfxCtx);
#define MATRIX_TO_MTX(gfxCtx, file, line) Matrix_ToMtx(gfxCtx)
#define MATRIX_FINALIZE(gfxCtx, file, line) Matrix_Finalize(gfxCtx)
#define MATRIX_CHECK_FLOATS(mtx, file, line) (mtx)
#endif
#define MATRIX_FINALIZE_AND_LOAD(pkt, gfxCtx, file, line) \
gSPMatrix(pkt, MATRIX_FINALIZE(gfxCtx, file, line), G_MTX_NOPUSH | G_MTX_LOAD | G_MTX_MODELVIEW)
/* Vector operations */
void Matrix_MultVec3f(Vec3f* src, Vec3f* dest);
void Matrix_MultVec3fExt(Vec3f* src, Vec3f* dest, MtxF* mf);
/* Copy and another conversion */
void Matrix_MtxFCopy(MtxF* dest, MtxF* src);
void Matrix_MtxToMtxF(Mtx* src, MtxF* dest);
/* Miscellaneous */
void Matrix_Transpose(MtxF* mf);
void Matrix_ReplaceRotation(MtxF* mf);
void Matrix_MtxFToYXZRotS(MtxF* mf, Vec3s* rotDest, s32 flag);
void Matrix_MtxFToZYXRotS(MtxF* mf, Vec3s* rotDest, s32 flag);
void Matrix_RotateAxis(f32 angle, Vec3f* axis, u8 mode);
#endif
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