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This commit is contained in:
The Gang
2024-12-26 11:10:17 +02:00
committed by Stefanos Kornilios Mitsis Poiitidis
parent 310dd86371
commit 29550ea045
555 changed files with 206934 additions and 1507 deletions
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28
src/math/Vector.cpp
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@@ -3,6 +3,10 @@
void
CVector::Normalise(void)
{
#ifdef DC_SH4_BROKEN
// TODO: This needs to handle zero vectors here
vec3f_normalize(x, y, z);
#else
float sq = MagnitudeSqr();
if (sq > 0.0f) {
float invsqrt = RecipSqrt(sq);
@@ -11,9 +15,10 @@ CVector::Normalise(void)
z *= invsqrt;
} else
x = 1.0f;
#endif
}
CVector
CVector
CrossProduct(const CVector &v1, const CVector &v2)
{
return CVector(v1.y * v2.z - v1.z * v2.y, v1.z * v2.x - v1.x * v2.z, v1.x * v2.y - v1.y * v2.x);
@@ -22,10 +27,24 @@ CrossProduct(const CVector &v1, const CVector &v2)
CVector
Multiply3x3(const CMatrix &mat, const CVector &vec)
{
#ifdef DC_SH4
register float __x __asm__("fr12") = vec.x;
register float __y __asm__("fr13") = vec.y;
register float __z __asm__("fr14") = vec.z;
register float __w __asm__("fr15") = 0.0f;
mat_load(reinterpret_cast<matrix_t *>(const_cast<CMatrix *>(&mat)));
asm volatile( "ftrv xmtrx, fv12\n"
: "=f" (__x), "=f" (__y), "=f" (__z), "=f" (__w)
: "0" (__x), "1" (__y), "2" (__z), "3" (__w) );
return { __x, __y, __z };
#else
// TODO: VU0 code
return CVector(mat.rx * vec.x + mat.fx * vec.y + mat.ux * vec.z,
mat.ry * vec.x + mat.fy * vec.y + mat.uy * vec.z,
mat.rz * vec.x + mat.fz * vec.y + mat.uz * vec.z);
#endif
}
CVector
@@ -39,8 +58,15 @@ Multiply3x3(const CVector &vec, const CMatrix &mat)
CVector
operator*(const CMatrix &mat, const CVector &vec)
{
#ifdef DC_SH4
CVector out;
mat_load(reinterpret_cast<matrix_t *>(const_cast<CMatrix *>(&mat)));
mat_trans_single3_nodiv_nomod(vec.x, vec.y, vec.z, out.x, out.y, out.z);
return out;
#else
// TODO: VU0 code
return CVector(mat.rx * vec.x + mat.fx * vec.y + mat.ux * vec.z + mat.px,
mat.ry * vec.x + mat.fy * vec.y + mat.uy * vec.z + mat.py,
mat.rz * vec.x + mat.fz * vec.y + mat.uz * vec.z + mat.pz);
#endif
}