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Decompile mtx00016140

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This commit is contained in:
Ryan Dwyer
2021-11-05 23:17:11 +10:00
parent 19862734c7
commit 2d542c2eb0
9 changed files with 57 additions and 79 deletions
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src/lib/mtx.c
+17 -39
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@@ -17,62 +17,40 @@ const char var70055998nb[] = " )\n";
const u32 var70054200[] = {0x42652ee0};
void mtx00016110(f32 *mtx1, f32 *mtx2)
void mtx00016110(f32 mtx1[3][3], f32 mtx2[3][3])
{
f32 mtx3[9];
f32 mtx3[3][3];
mtx00016140(mtx1, mtx2, mtx3);
mtx00015cd8(mtx3, mtx2);
}
GLOBAL_ASM(
glabel mtx00016140
/* 16140: 00001825 */ or $v1,$zero,$zero
/* 16144: 00804025 */ or $t0,$a0,$zero
/* 16148: 240a000c */ addiu $t2,$zero,0xc
/* 1614c: 24090003 */ addiu $t1,$zero,0x3
.L00016150:
/* 16150: 00001025 */ or $v0,$zero,$zero
/* 16154: 00c32021 */ addu $a0,$a2,$v1
/* 16158: 00a03825 */ or $a3,$a1,$zero
.L0001615c:
/* 1615c: c5120000 */ lwc1 $f18,0x0($t0)
/* 16160: c4f00000 */ lwc1 $f16,0x0($a3)
/* 16164: c50e000c */ lwc1 $f14,0xc($t0)
/* 16168: c4ec0004 */ lwc1 $f12,0x4($a3)
/* 1616c: 46109402 */ mul.s $f16,$f18,$f16
/* 16170: c4f20008 */ lwc1 $f18,0x8($a3)
/* 16174: c50a0018 */ lwc1 $f10,0x18($t0)
/* 16178: 460c7302 */ mul.s $f12,$f14,$f12
/* 1617c: 24420001 */ addiu $v0,$v0,0x1
/* 16180: 2484000c */ addiu $a0,$a0,0xc
/* 16184: 460a9282 */ mul.s $f10,$f18,$f10
/* 16188: 24e7000c */ addiu $a3,$a3,0xc
/* 1618c: 460c8300 */ add.s $f12,$f16,$f12
/* 16190: 460c5300 */ add.s $f12,$f10,$f12
/* 16194: 1449fff1 */ bne $v0,$t1,.L0001615c
/* 16198: e48cfff4 */ swc1 $f12,-0xc($a0)
/* 1619c: 24630004 */ addiu $v1,$v1,0x4
/* 161a0: 146affeb */ bne $v1,$t2,.L00016150
/* 161a4: 25080004 */ addiu $t0,$t0,0x4
/* 161a8: 03e00008 */ jr $ra
/* 161ac: 00000000 */ nop
);
void mtx00016140(f32 mtx1[3][3], f32 mtx2[3][3], f32 dst[3][3])
{
s32 i;
s32 j;
void mtx000161b0(f32 *matrix, f32 src[3], f32 dest[3])
for (i = 0; i < 3; i++) {
for (j = 0; j < 3; j++) {
dst[j][i] = mtx1[0][i] * mtx2[j][0] + mtx1[1][i] * mtx2[j][1] + mtx1[2][i] * mtx2[j][2];
}
}
}
void mtx000161b0(f32 mtx[3][3], f32 src[3], f32 dest[3])
{
s32 i;
for (i = 0; i < 3; i++) {
dest[i] = matrix[i] * src[0] + matrix[3 + i] * src[1] + matrix[6 + i] * src[2];
dest[i] = mtx[0][i] * src[0] + mtx[1][i] * src[1] + mtx[2][i] * src[2];
}
}
void mtx00016208(f32 *matrix, struct coord *coord)
void mtx00016208(f32 mtx[3][3], struct coord *coord)
{
f32 tmp[3];
mtx000161b0(matrix, (f32 *)coord, tmp);
mtx000161b0(mtx, (f32 *)coord, tmp);
coord->x = tmp[0];
coord->y = tmp[1];