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authoraap <aap@papnet.eu>2020-08-03 12:58:37 +0200
committeraap <aap@papnet.eu>2020-08-03 17:32:06 +0200
commitabb640c6b6b1c4c1b699d18509c8a344e2be2dd5 (patch)
tree58cecb7517dfd70a4ce5e2f646ff23aa4fa4084d /src/math
parentMove sdk and eax (diff)
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Diffstat (limited to '')
-rw-r--r--src/math/Matrix.h1
-rw-r--r--src/math/VuVector.h41
-rw-r--r--src/math/math.cpp128
3 files changed, 170 insertions, 0 deletions
diff --git a/src/math/Matrix.h b/src/math/Matrix.h
index c849a5c4..e2d6b0e0 100644
--- a/src/math/Matrix.h
+++ b/src/math/Matrix.h
@@ -81,6 +81,7 @@ public:
m_matrix.pos.z += rhs.m_matrix.pos.z;
return *this;
}
+ CMatrix& operator*=(CMatrix const &rhs);
CVector &GetPosition(void){ return *(CVector*)&m_matrix.pos; }
CVector &GetRight(void) { return *(CVector*)&m_matrix.right; }
diff --git a/src/math/VuVector.h b/src/math/VuVector.h
new file mode 100644
index 00000000..f90818e0
--- /dev/null
+++ b/src/math/VuVector.h
@@ -0,0 +1,41 @@
+#pragma once
+
+class TYPEALIGN(16) CVuVector : public CVector
+{
+public:
+ float w;
+ CVuVector(void) {}
+ CVuVector(float x, float y, float z) : CVector(x, y, z) {}
+ CVuVector(float x, float y, float z, float w) : CVector(x, y, z), w(w) {}
+ CVuVector(const CVector &v) : CVector(v.x, v.y, v.z) {}
+#ifdef RWCORE_H
+ CVuVector(const RwV3d &v) : CVector(v.x, v.y, v.z) {}
+
+ operator RwV3d (void) const {
+ RwV3d vecRw = { this->x, this->y, this->z };
+ return vecRw;
+ }
+
+ operator RwV3d *(void) {
+ return (RwV3d*)this;
+ }
+#endif
+/*
+ void Normalise(void) {
+ float sq = MagnitudeSqr();
+ // TODO: VU0 code
+ if(sq > 0.0f){
+ float invsqrt = RecipSqrt(sq);
+ x *= invsqrt;
+ y *= invsqrt;
+ z *= invsqrt;
+ }else
+ x = 1.0f;
+ }
+*/
+};
+
+void TransformPoint(CVuVector &out, const CMatrix &mat, const CVuVector &in);
+void TransformPoint(CVuVector &out, const CMatrix &mat, const RwV3d &in);
+void TransformPoints(CVuVector *out, int n, const CMatrix &mat, const RwV3d *in, int stride);
+void TransformPoints(CVuVector *out, int n, const CMatrix &mat, const CVuVector *in);
diff --git a/src/math/math.cpp b/src/math/math.cpp
index 0cfc2ce9..4792fdd0 100644
--- a/src/math/math.cpp
+++ b/src/math/math.cpp
@@ -1,9 +1,124 @@
#include "common.h"
#include "Quaternion.h"
+#include "VuVector.h"
// TODO: move more stuff into here
+
+void TransformPoint(CVuVector &out, const CMatrix &mat, const CVuVector &in)
+{
+#ifdef GTA_PS2
+ __asm__ __volatile__("\n\
+ lqc2 vf01,0x0(%2)\n\
+ lqc2 vf02,0x0(%1)\n\
+ lqc2 vf03,0x10(%1)\n\
+ lqc2 vf04,0x20(%1)\n\
+ lqc2 vf05,0x30(%1)\n\
+ vmulax.xyz ACC, vf02,vf01\n\
+ vmadday.xyz ACC, vf03,vf01\n\
+ vmaddaz.xyz ACC, vf04,vf01\n\
+ vmaddw.xyz vf06,vf05,vf00\n\
+ sqc2 vf06,0x0(%0)\n\
+ ": : "r" (&out) , "r" (&mat) ,"r" (&in): "memory");
+#else
+ out = mat * in;
+#endif
+}
+
+void TransformPoint(CVuVector &out, const CMatrix &mat, const RwV3d &in)
+{
+#ifdef GTA_PS2
+ __asm__ __volatile__("\n\
+ ldr $8,0x0(%2)\n\
+ ldl $8,0x7(%2)\n\
+ lw $9,0x8(%2)\n\
+ pcpyld $10,$9,$8\n\
+ qmtc2 $10,vf01\n\
+ lqc2 vf02,0x0(%1)\n\
+ lqc2 vf03,0x10(%1)\n\
+ lqc2 vf04,0x20(%1)\n\
+ lqc2 vf05,0x30(%1)\n\
+ vmulax.xyz ACC, vf02,vf01\n\
+ vmadday.xyz ACC, vf03,vf01\n\
+ vmaddaz.xyz ACC, vf04,vf01\n\
+ vmaddw.xyz vf06,vf05,vf00\n\
+ sqc2 vf06,0x0(%0)\n\
+ ": : "r" (&out) , "r" (&mat) ,"r" (&in): "memory");
+#else
+ out = mat * in;
+#endif
+}
+
+void TransformPoints(CVuVector *out, int n, const CMatrix &mat, const RwV3d *in, int stride)
+{
+#ifdef GTA_PS3
+ __asm__ __volatile__("\n\
+ paddub $3,%4,$0\n\
+ lqc2 vf02,0x0(%2)\n\
+ lqc2 vf03,0x10(%2)\n\
+ lqc2 vf04,0x20(%2)\n\
+ lqc2 vf05,0x30(%2)\n\
+ ldr $8,0x0(%3)\n\
+ ldl $8,0x7(%3)\n\
+ lw $9,0x8(%3)\n\
+ pcpyld $10,$9,$8\n\
+ qmtc2 $10,vf01\n\
+ 1: vmulax.xyz ACC, vf02,vf01\n\
+ vmadday.xyz ACC, vf03,vf01\n\
+ vmaddaz.xyz ACC, vf04,vf01\n\
+ vmaddw.xyz vf06,vf05,vf00\n\
+ add %3,%3,$3\n\
+ ldr $8,0x0(%3)\n\
+ ldl $8,0x7(%3)\n\
+ lw $9,0x8(%3)\n\
+ pcpyld $10,$9,$8\n\
+ qmtc2 $10,vf01\n\
+ addi %1,%1,-1\n\
+ addiu %0,%0,0x10\n\
+ sqc2 vf06,-0x10(%0)\n\
+ bnez %1,1b\n\
+ ": : "r" (out) , "r" (n), "r" (&mat), "r" (in), "r" (stride): "memory");
+#else
+ while(n--){
+ *out = mat * *in;
+ in = (RwV3d*)((uint8*)in + stride);
+ out++;
+ }
+#endif
+}
+
+void TransformPoints(CVuVector *out, int n, const CMatrix &mat, const CVuVector *in)
+{
+#ifdef GTA_PS2
+ __asm__ __volatile__("\n\
+ lqc2 vf02,0x0(%2)\n\
+ lqc2 vf03,0x10(%2)\n\
+ lqc2 vf04,0x20(%2)\n\
+ lqc2 vf05,0x30(%2)\n\
+ lqc2 vf01,0x0(%3)\n\
+ nop\n\
+ 1: vmulax.xyz ACC, vf02,vf01\n\
+ vmadday.xyz ACC, vf03,vf01\n\
+ vmaddaz.xyz ACC, vf04,vf01\n\
+ vmaddw.xyz vf06,vf05,vf00\n\
+ lqc2 vf01,0x10(%3)\n\
+ addiu %3,%3,0x10\n\
+ addi %1,%1,-1\n\
+ addiu %0,%0,0x10\n\
+ sqc2 vf06,-0x10(%0)\n\
+ bnez %1,1b\n\
+ ": : "r" (out) , "r" (n), "r" (&mat) ,"r" (in): "memory");
+#else
+ while(n--){
+ *out = mat * *in;
+ in++;
+ out++;
+ }
+#endif
+}
+
+
void
CVector2D::Normalise(void)
{
@@ -87,6 +202,7 @@ CMatrix::Reorthogonalise(void)
CMatrix&
Invert(const CMatrix &src, CMatrix &dst)
{
+ // TODO: VU0 code
// GTA handles this as a raw 4x4 orthonormal matrix
// and trashes the RW flags, let's not do that
// actual copy of librw code:
@@ -117,6 +233,7 @@ Invert(const CMatrix &src, CMatrix &dst)
CVector
operator*(const CMatrix &mat, const CVector &vec)
{
+ // TODO: VU0 code
return CVector(
mat.m_matrix.right.x * vec.x + mat.m_matrix.up.x * vec.y + mat.m_matrix.at.x * vec.z + mat.m_matrix.pos.x,
mat.m_matrix.right.y * vec.x + mat.m_matrix.up.y * vec.y + mat.m_matrix.at.y * vec.z + mat.m_matrix.pos.y,
@@ -126,6 +243,7 @@ operator*(const CMatrix &mat, const CVector &vec)
CMatrix
operator*(const CMatrix &m1, const CMatrix &m2)
{
+ // TODO: VU0 code
CMatrix out;
RwMatrix *dst = &out.m_matrix;
const RwMatrix *src1 = &m1.m_matrix;
@@ -145,9 +263,18 @@ operator*(const CMatrix &m1, const CMatrix &m2)
return out;
}
+CMatrix&
+CMatrix::operator*=(CMatrix const &rhs)
+{
+ // TODO: VU0 code
+ *this = *this * rhs;
+ return *this;
+}
+
const CVector
Multiply3x3(const CMatrix &mat, const CVector &vec)
{
+ // TODO: VU0 code
return CVector(
mat.m_matrix.right.x * vec.x + mat.m_matrix.up.x * vec.y + mat.m_matrix.at.x * vec.z,
mat.m_matrix.right.y * vec.x + mat.m_matrix.up.y * vec.y + mat.m_matrix.at.y * vec.z,
@@ -179,6 +306,7 @@ CQuaternion::Slerp(const CQuaternion &q1, const CQuaternion &q2, float theta, fl
w1 = Sin((1.0f - t) * theta) * invSin;
w2 = Sin(t * theta) * invSin;
}
+ // TODO: VU0 code
*this = w1*q1 + w2*q2;
}
}