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Made
155 lines
4.9 KiB
C
155 lines
4.9 KiB
C
#ifndef GUARD_FX_H
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#define GUARD_FX_H
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#define FX16_INT_MASK 0xF000
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#define FX16_INT_ABS_MASK 0x7000
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#define FX16_FRAC_MASK 0x0FFF
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#define FX16_INT_SHIFT 0xC
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#define FX32_INT_MASK 0xFFFFF000
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#define FX32_INT_ABS_MASK 0x7FFFF000
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#define FX32_FRAC_MASK 0x00000FFF
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#define FX32_INT_SHIFT 0xC
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#define FX64_INT_MASK 0xFFFFFFFFFFFFF000
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#define FX64_INT_ABS_MASK 0x7FFFFFFFFFFFF000
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#define FX64_FRAC_MASK 0x0000000000000FFF
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#define FX64_INT_SHIFT 0xC
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#define FX64C_INT_MASK 0xFFFFFFFF00000000
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#define FX64C_INT_ABS_MASK 0x7FFFFFFF00000000
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#define FX64C_FRAC_MASK 0x00000000FFFFFFFF
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#define FX64C_INT_SHIFT 0x20
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#define FX_INT(TYPE, x) (((x) & TYPE ## _INT_MASK) >> TYPE ## _INT_SHIFT)
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#define FX_INT_ABS(TYPE, x) (((x) & TYPE ## _INT_ABS_MASK) >> TYPE ## _INT_SHIFT)
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#define FX_FRAC(TYPE, x) ((x) & TYPE ## _FRAC_MASK)
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#define FX16_INT(x) FX_INT(FX16, x)
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#define FX16_INT_ABS(x) FX_INT_ABS(FX16, x)
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#define FX16_FRAC(x) FX_FRAC(FX16, x)
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#define FX32_INT(x) FX_INT(FX32, x)
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#define FX32_INT_ABS(x) FX_INT_ABS(FX32, x)
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#define FX32_FRAC(x) FX_FRAC(FX32, x)
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#define FX64_INT(x) FX_INT(FX64, x)
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#define FX64_INT_ABS(x) FX_INT_ABS(FX64, x)
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#define FX64_FRAC(x) FX_FRAC(FX64, x)
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#define FX64C_INT(x) FX_INT(FX64C, x)
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#define FX64C_INT_ABS(x) FX_INT_ABS(FX64C, x)
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#define FX64C_FRAC(x) FX_FRAC(FX64C, x)
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#define HW_REG_DIVCNT 0x04000280
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#define HW_REG_DIV_NUMER 0x04000290
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#define HW_REG_DIV_DENOM 0x04000298
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#define HW_REG_DIV_RESULT 0x040002A0
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#define HW_REG_DIVREM_RESULT 0x040002A8
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#define HW_REG_SQRTCNT 0x040002B0
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#define HW_REG_SQRT_RESULT 0x040002B4
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#define HW_REG_SQRT_PARAM 0x040002B8
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#define SETREG16(x, y) ((*(vu16 *)x) = y)
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#define SETREG32(x, y) ((*(vu32 *)x) = y)
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#define SETREG64(x, y) ((*(vu64 *)x) = y)
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#define READREG16(x) (*(vu16 *)x)
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#define READREG32(x) (*(vu32 *)x)
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#define READREG64(x) (*(vu64 *)x)
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struct Vecx32
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{
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s32 x;
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s32 y;
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s32 z;
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};
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struct Vecx16
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{
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s16 x;
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s16 y;
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s16 z;
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};
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//Matrices are indexed as [column][row]
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struct Mtx44
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{
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s32 _[16];
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};
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struct Mtx43
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{
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s32 _[12];
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};
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struct Mtx33
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{
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s32 _[9];
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};
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struct Mtx22
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{
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s32 _[4];
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};
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//FX
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void FX_Init();
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s32 FX_Modf(s32 x, s32 *iptr);
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//Atan
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u16 FX_Atan(s32 x);
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u16 FX_Atan2(s32 x, s32 y);
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//Vec
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void VEC_Add(struct Vecx32 *x, struct Vecx32 *y, struct Vecx32 *dst);
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void VEC_Subtract(struct Vecx32 *x, struct Vecx32 *y, struct Vecx32 *dst);
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void VEC_Fx16Add(struct Vecx16 *x, struct Vecx16 *y, struct Vecx16 *dst);
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s32 VEC_DotProduct(struct Vecx32 *x, struct Vecx32 *y);
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s32 VEC_Fx16DotProduct(struct Vecx16 *a, struct Vecx16 *b);
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void VEC_CrossProduct(struct Vecx32 *a, struct Vecx32 *b, struct Vecx32 *dst);
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void VEC_Fx16CrossProduct(struct Vecx16 *a, struct Vecx16 *b, struct Vecx16 *dst);
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s32 VEC_Mag(struct Vecx32 *a);
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void VEC_Normalize(struct Vecx32 *a, struct Vecx32 *dst);
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void VEC_Fx16Normalize(struct Vecx16 *a, struct Vecx16 *dst);
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void VEC_MultAdd(s32 factor, struct Vecx32 *a, struct Vecx32 *b, struct Vecx32 *dst);
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//CP
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s32 FX_Div(s32 numerator, s32 denominator);
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s32 FX_Inv(s32 x);
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s32 FX_Sqrt(s32 x);
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s64 FX_GetDivResultFx64c();
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s32 FX_GetDivResult();
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void FX_InvAsync(s32 x);
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s32 FX_GetSqrtResult();
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void FX_DivAsync(s32 numerator, s32 denominator);
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s32 FX_DivS32(s32 numerator, s32 denominator);
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s32 FX_ModS32(s32 num, s32 mod);
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//Mtx
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//The functions ending in underscores seem to be in assembly originally
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//at least I see no way to recreate the stmia copies and some of them are actually in thumb
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//Mtx44
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void MTX_TransApply44(struct Mtx44 *mtx, struct Mtx44 *dst, s32 x, s32 y, s32 z);
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void MTX_Concat44(struct Mtx44 *a, struct Mtx44 *b, struct Mtx44 *c);
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void MTX_Identity44_(struct Mtx44 *dst);
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void MTX_Copy44To43_(struct Mtx44 *src, struct Mtx43 *dst);
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void MTX_RotX44_(struct Mtx44 *mtx, s32 sinphi, s32 cosphi);
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void MTX_RotY44_(struct Mtx44 *mtx, s32 sinphi, s32 cosphi);
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void MTX_RotZ44_(struct Mtx44 *mtx, s32 sinphi, s32 cosphi);
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//Mtx43
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void MTX_ScaleApply33(struct Mtx33 *mtx, struct Mtx33 *dst, s32 x, s32 y, s32 z);
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s32 MTX_Inverse43(struct Mtx43 *mtx, struct Mtx43 *inv);
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void MTX_Concat43(struct Mtx43 *a, struct Mtx43 *b, struct Mtx43 *c);
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void MTX_MultVec43(struct Vecx32 *vec, struct Mtx43 *mtx, struct Vecx32 *dst);
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void MTX_Identity43_(struct Mtx43 *mtx);
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void MTX_Copy43To44_(struct Mtx43 *src, struct Mtx44 *dst);
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void MTX_Scale43_(struct Mtx43 *dst, s32 x, s32 y, s32 z);
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void MTX_RotX43_(struct Mtx43 *mtx, s32 sinphi, s32 cosphi);
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void MTX_RotY43_(struct Mtx43 *mtx, s32 sinphi, s32 cosphi);
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#endif //GUARD_FX_H
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