Merge remote-tracking branch 'origin/master' into pikalax_work

1 files changed, 123 insertions, 0 deletions

diff --git a/arm9/lib/NitroSDK/include/fx.h b/arm9/lib/NitroSDK/include/fx.h
new file mode 100644
index 00000000..59c759ab
--- /dev/null
+++ b/arm9/lib/NitroSDK/include/fx.h
@@ -0,0 +1,123 @@
+#ifndef GUARD_FX_H
+#define GUARD_FX_H
+
+#include "nitro/FX_types.h"
+#include "GX_g3_util.h"
+
+//FX
+void FX_Init();
+fx32 FX_Modf(fx32 x, fx32 *iptr);
+
+//Atan
+u16 FX_Atan(fx32 x);
+u16 FX_Atan2(fx32 x, fx32 y);
+
+//Vec
+void VEC_Add(const struct Vecx32 *a, const struct Vecx32 *b, struct Vecx32 *dst);
+void VEC_Subtract(const struct Vecx32 *a, const struct Vecx32 *b, struct Vecx32 *dst);
+void VEC_Fx16Add(struct Vecx16 *x, struct Vecx16 *y, struct Vecx16 *dst);
+fx32 VEC_DotProduct(const struct Vecx32 *a, const struct Vecx32 *b);
+fx32 VEC_Fx16DotProduct(struct Vecx16 *a, struct Vecx16 *b);
+void VEC_CrossProduct(const struct Vecx32 *a, const struct Vecx32 *b, struct Vecx32 *dst);
+void VEC_Fx16CrossProduct(struct Vecx16 *a, struct Vecx16 *b, struct Vecx16 *dst);
+fx32 VEC_Mag(struct Vecx32 *a);
+void VEC_Normalize(const struct Vecx32 *a, struct Vecx32 *dst);
+void VEC_Fx16Normalize(struct Vecx16 *a, struct Vecx16 *dst);
+void VEC_MultAdd(fx32 factor, struct Vecx32  *a, struct Vecx32 *b, struct Vecx32 *dst);
+
+//CP
+fx32 FX_Div(fx32 numerator, fx32 denominator);
+fx32 FX_Inv(fx32 x);
+fx32 FX_Sqrt(fx32 x);
+fx64 FX_GetDivResultFx64c();
+fx32 FX_GetDivResult();
+void FX_InvAsync(fx32 x);
+fx32 FX_GetSqrtResult();
+void FX_DivAsync(fx32 numerator, fx32 denominator);
+fx32 FX_DivS32(fx32 numerator, fx32 denominator);
+fx32 FX_ModS32(fx32 num, fx32 mod);
+
+//Mtx
+//The functions ending in underscores seem to be in assembly originally
+//Mtx44
+void MTX_TransApply44(struct Mtx44 *mtx, struct Mtx44 *dst, fx32 x, fx32 y, fx32 z);
+void MTX_Concat44(struct Mtx44 *a, struct Mtx44 *b, struct Mtx44 *c);
+void MTX_Identity44_(struct Mtx44 *dst);
+void MTX_Copy44To43_(struct Mtx44 *src, struct Mtx43 *dst);
+void MTX_RotX44_(struct Mtx44 *mtx, fx32 sinphi, fx32 cosphi);
+void MTX_RotY44_(struct Mtx44 *mtx, fx32 sinphi, fx32 cosphi);
+void MTX_RotZ44_(struct Mtx44 *mtx, fx32 sinphi, fx32 cosphi);
+
+//Mtx43
+void MTX_ScaleApply43(struct Mtx43 *mtx, struct Mtx43 *dst, fx32 x, fx32 y, fx32 z);
+fx32 MTX_Inverse43(struct Mtx43 *mtx, struct Mtx43 *inv);
+void MTX_Concat43(struct Mtx43 *a, struct Mtx43 *b, struct Mtx43 *c);
+void MTX_MultVec43(struct Vecx32 *vec, struct Mtx43 *mtx, struct Vecx32 *dst);
+void MTX_Identity43_(struct Mtx43 *mtx);
+void MTX_Copy43To44_(struct Mtx43 *src, struct Mtx44 *dst);
+void MTX_Scale43_(struct Mtx43 *dst, fx32 x, fx32 y, fx32 z);
+void MTX_RotX43_(struct Mtx43 *mtx, fx32 sinphi, fx32 cosphi);
+void MTX_RotY43_(struct Mtx43 *mtx, fx32 sinphi, fx32 cosphi);
+
+//Mtx33
+void MTX_ScaleApply33(struct Mtx33 *mtx, struct Mtx33 *dst, fx32 x, fx32 y, fx32 z);
+void MTX_Concat33(struct Mtx33 *a, struct Mtx33 *b, struct Mtx33 *c);
+void MTX_MultVec33(struct Vecx32 *vec, struct Mtx33 *mtx, struct Vecx32 *dst);
+void MTX_Identity33_(struct Mtx33 *mtx);
+void MTX_RotX33_(struct Mtx33 *mtx, fx32 sinphi, fx32 cosphi);
+void MTX_RotY33_(struct Mtx33 *mtx, fx32 sinphi, fx32 cosphi);
+void MTX_RotZ33_(struct Mtx33 *mtx, fx32 sinphi, fx32 cosphi);
+
+//Mtx22
+void MTX_ScaleApply22(struct Mtx22 *mtx, struct Mtx22 *dst, fx32 x, fx32 y);
+void MTX_Identity22_(struct Mtx22 *mtx);
+void MTX_Rot22_(struct Mtx22 *mtx, fx32 sinphi, fx32 cosphi);
+
+// Trig
+extern const fx16 FX_SinCosTable_[];
+
+static inline fx16 FX_SinIdx(int idx)
+{
+    return FX_SinCosTable_[((idx >> 4) << 1)];
+}
+
+static inline fx16 FX_CosIdx(int idx)
+{
+    return FX_SinCosTable_[((idx >> 4) << 1) + 1];
+}
+
+static inline fx32 FX32_CAST(s64 res)
+{
+    return (fx32)res;
+}
+
+static inline fx32 FX_MulInline(fx32 v1, fx32 v2)
+{
+    return FX32_CAST(((s64)v1 * v2 + 0x800LL) >> FX32_INT_SHIFT);
+}
+
+#define FX_Mul(v1, v2) FX_MulInline(v1, v2)
+
+static inline void VEC_Set(struct Vecx32 * vec, fx32 x, fx32 y, fx32 z)
+{
+    vec->x = x;
+    vec->y = y;
+    vec->z = z;
+}
+
+static inline void MTX_LookAt(const VecFx32 * camPos, const VecFx32 * camUp, const VecFx32 * target, MtxFx43 * mtx)
+{
+    G3i_LookAt_(camPos, camUp, target, FALSE, mtx);
+}
+
+static inline void MTX_Perspective(fx32 fovySin, fx32 fovyCos, fx32 aspect, fx32 n, fx32 f, MtxFx44 * mtx)
+{
+    G3i_PerspectiveW_(fovySin, fovyCos, aspect, n, f, FX32_ONE, FALSE, mtx);
+}
+
+static inline void MTX_Ortho(fx32 t, fx32 b, fx32 l, fx32 r, fx32 n, fx32 f, MtxFx44 * mtx)
+{
+    G3i_OrthoW_(t, b, l, r, n, f, FX32_ONE, FALSE, mtx);
+}
+
+#endif //GUARD_FX_H