re3/src/collision/CompressedVector.h

36 lines
No EOL
832 B
C

#pragma once
struct CompressedVector
{
#ifdef COMPRESSED_COL_VECTORS
int16 x, y, z;
CVector Get(void) const { return CVector(x, y, z)/128.0f; };
void Set(float x, float y, float z) { this->x = x*128.0f; this->y = y*128.0f; this->z = z*128.0f; };
#ifdef GTA_PS2
void Unpack(uint128 &qword) const {
__asm__ volatile (
"lh $8, 0(%1)\n"
"lh $9, 2(%1)\n"
"lh $10, 4(%1)\n"
"pextlw $10, $8\n"
"pextlw $2, $9, $10\n"
"sq $2, %0\n"
: "=m" (qword)
: "r" (this)
: "$8", "$9", "$10", "$2"
);
}
#else
void Unpack(int32 *qword) const {
qword[0] = x;
qword[1] = y;
qword[2] = z;
qword[3] = 0; // junk
}
#endif
#else
float x, y, z;
CVector Get(void) const { return CVector(x, y, z); };
void Set(float x, float y, float z) { this->x = x; this->y = y; this->z = z; };
#endif
};