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Decompile cd0002c328

This commit is contained in:
Ryan Dwyer 2022-07-17 13:20:20 +10:00
parent 4cebf437dc
commit 59e91106a9
2 changed files with 54 additions and 140 deletions
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2
src/include/lib/collision.h
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@ -88,7 +88,7 @@ u32 cd0002b128(void);
u32 cd0002b560(void);
u32 cd0002b954(void);
bool cd0002bd04(u8 *start, u8 *end, struct coord *arg2, struct coord *arg3, struct coord *arg4, s32 arg5, s32 arg6, s32 arg7, f32 arg8, f32 arg9);
u32 cd0002c328(void);
void cd0002c328(struct geotilei *tile, struct coord *arg1, struct coord *arg2, struct coord *arg3, struct coord *arg4);
void cd0002c528(struct geotilef *tile, struct coord *arg1, struct coord *arg2, struct coord *arg3, struct coord *arg4);
bool cd0002c714(u8 *start, u8 *end, struct coord *arg2, struct coord *arg3, struct coord *arg4, u16 arg5, s32 arg6, s32 arg7, f32 ymax, f32 ymin, f32 *arg10, struct coord *arg11, struct coord *arg12, struct coord *arg13, struct geo **tile, s32 roomnum);
bool cd0002d15c(struct coord *pos, struct coord *coord2, s16 *rooms, u32 types, u16 arg4, s32 arg5, s32 arg6, f32 arg7, f32 arg8);

192
src/lib/collision.c
View File

@ -6204,145 +6204,59 @@ glabel cd0002bd04
/* 2c324: 27bd00f0 */ addiu $sp,$sp,0xf0
);
GLOBAL_ASM(
glabel cd0002c328
/* 2c328: 27bdffb8 */ addiu $sp,$sp,-72
/* 2c32c: f7b40010 */ sdc1 $f20,0x10($sp)
/* 2c330: afbf0024 */ sw $ra,0x24($sp)
/* 2c334: f7b60018 */ sdc1 $f22,0x18($sp)
/* 2c338: afa40048 */ sw $a0,0x48($sp)
/* 2c33c: 4480a000 */ mtc1 $zero,$f20
/* 2c340: c4c40000 */ lwc1 $f4,0x0($a2)
/* 2c344: 4600a406 */ mov.s $f16,$f20
/* 2c348: 4604a032 */ c.eq.s $f20,$f4
/* 2c34c: 4600a486 */ mov.s $f18,$f20
/* 2c350: 45020008 */ bc1fl .L0002c374
/* 2c354: c4c80008 */ lwc1 $f8,0x8($a2)
/* 2c358: c4c60008 */ lwc1 $f6,0x8($a2)
/* 2c35c: 3c013f80 */ lui $at,0x3f80
/* 2c360: 4606a032 */ c.eq.s $f20,$f6
/* 2c364: 00000000 */ nop
/* 2c368: 4503002a */ bc1tl .L0002c414
/* 2c36c: 44814000 */ mtc1 $at,$f8
/* 2c370: c4c80008 */ lwc1 $f8,0x8($a2)
.L0002c374:
/* 2c374: e7b40040 */ swc1 $f20,0x40($sp)
/* 2c378: e7a8003c */ swc1 $f8,0x3c($sp)
/* 2c37c: c4ca0000 */ lwc1 $f10,0x0($a2)
/* 2c380: e7b20028 */ swc1 $f18,0x28($sp)
/* 2c384: e7b0002c */ swc1 $f16,0x2c($sp)
/* 2c388: 46005107 */ neg.s $f4,$f10
/* 2c38c: c7aa003c */ lwc1 $f10,0x3c($sp)
/* 2c390: e7a40044 */ swc1 $f4,0x44($sp)
/* 2c394: c7a60044 */ lwc1 $f6,0x44($sp)
/* 2c398: afa70054 */ sw $a3,0x54($sp)
/* 2c39c: afa5004c */ sw $a1,0x4c($sp)
/* 2c3a0: 46063202 */ mul.s $f8,$f6,$f6
/* 2c3a4: 00000000 */ nop
/* 2c3a8: 460a5102 */ mul.s $f4,$f10,$f10
/* 2c3ac: 0c012974 */ jal sqrtf
/* 2c3b0: 46044300 */ add.s $f12,$f8,$f4
/* 2c3b4: 4600a03c */ c.lt.s $f20,$f0
/* 2c3b8: 8fa5004c */ lw $a1,0x4c($sp)
/* 2c3bc: 8fa70054 */ lw $a3,0x54($sp)
/* 2c3c0: c7b0002c */ lwc1 $f16,0x2c($sp)
/* 2c3c4: 4500000c */ bc1f .L0002c3f8
/* 2c3c8: c7b20028 */ lwc1 $f18,0x28($sp)
/* 2c3cc: 3c013f80 */ lui $at,0x3f80
/* 2c3d0: 44813000 */ mtc1 $at,$f6
/* 2c3d4: c7aa003c */ lwc1 $f10,0x3c($sp)
/* 2c3d8: c7a40044 */ lwc1 $f4,0x44($sp)
/* 2c3dc: 46003083 */ div.s $f2,$f6,$f0
/* 2c3e0: 46025202 */ mul.s $f8,$f10,$f2
/* 2c3e4: 00000000 */ nop
/* 2c3e8: 46022182 */ mul.s $f6,$f4,$f2
/* 2c3ec: e7a8003c */ swc1 $f8,0x3c($sp)
/* 2c3f0: 1000000b */ b .L0002c420
/* 2c3f4: e7a60044 */ swc1 $f6,0x44($sp)
.L0002c3f8:
/* 2c3f8: 3c013f80 */ lui $at,0x3f80
/* 2c3fc: 44815000 */ mtc1 $at,$f10
/* 2c400: e7b4003c */ swc1 $f20,0x3c($sp)
/* 2c404: e7b40040 */ swc1 $f20,0x40($sp)
/* 2c408: 10000005 */ b .L0002c420
/* 2c40c: e7aa0044 */ swc1 $f10,0x44($sp)
/* 2c410: 44814000 */ mtc1 $at,$f8
.L0002c414:
/* 2c414: e7b4003c */ swc1 $f20,0x3c($sp)
/* 2c418: e7b40040 */ swc1 $f20,0x40($sp)
/* 2c41c: e7a80044 */ swc1 $f8,0x44($sp)
.L0002c420:
/* 2c420: 8fae0048 */ lw $t6,0x48($sp)
/* 2c424: 00001825 */ or $v1,$zero,$zero
/* 2c428: 91c40001 */ lbu $a0,0x1($t6)
/* 2c42c: 01c01025 */ or $v0,$t6,$zero
/* 2c430: 58800020 */ blezl $a0,.L0002c4b4
/* 2c434: c7a4003c */ lwc1 $f4,0x3c($sp)
/* 2c438: c4b40000 */ lwc1 $f20,0x0($a1)
/* 2c43c: c4b60008 */ lwc1 $f22,0x8($a1)
.L0002c440:
/* 2c440: 84580012 */ lh $t8,0x12($v0)
/* 2c444: 844f000e */ lh $t7,0xe($v0)
/* 2c448: 24630001 */ addiu $v1,$v1,0x1
/* 2c44c: 44985000 */ mtc1 $t8,$f10
/* 2c450: 448f2000 */ mtc1 $t7,$f4
/* 2c454: 46805220 */ cvt.s.w $f8,$f10
/* 2c458: c7aa003c */ lwc1 $f10,0x3c($sp)
/* 2c45c: 468021a0 */ cvt.s.w $f6,$f4
/* 2c460: c7a40044 */ lwc1 $f4,0x44($sp)
/* 2c464: 46164301 */ sub.s $f12,$f8,$f22
/* 2c468: 46143081 */ sub.s $f2,$f6,$f20
/* 2c46c: 460c2182 */ mul.s $f6,$f4,$f12
/* 2c470: 00000000 */ nop
/* 2c474: 460a1202 */ mul.s $f8,$f2,$f10
/* 2c478: 46083000 */ add.s $f0,$f6,$f8
/* 2c47c: 4600803c */ c.lt.s $f16,$f0
/* 2c480: 00000000 */ nop
/* 2c484: 45000003 */ bc1f .L0002c494
/* 2c488: 00000000 */ nop
/* 2c48c: 10000006 */ b .L0002c4a8
/* 2c490: 46000406 */ mov.s $f16,$f0
.L0002c494:
/* 2c494: 4612003c */ c.lt.s $f0,$f18
/* 2c498: 00000000 */ nop
/* 2c49c: 45000002 */ bc1f .L0002c4a8
/* 2c4a0: 00000000 */ nop
/* 2c4a4: 46000486 */ mov.s $f18,$f0
.L0002c4a8:
/* 2c4a8: 1464ffe5 */ bne $v1,$a0,.L0002c440
/* 2c4ac: 24420006 */ addiu $v0,$v0,0x6
/* 2c4b0: c7a4003c */ lwc1 $f4,0x3c($sp)
.L0002c4b4:
/* 2c4b4: c4a60000 */ lwc1 $f6,0x0($a1)
/* 2c4b8: 8fa20058 */ lw $v0,0x58($sp)
/* 2c4bc: 46102282 */ mul.s $f10,$f4,$f16
/* 2c4c0: 46065200 */ add.s $f8,$f10,$f6
/* 2c4c4: e4e80000 */ swc1 $f8,0x0($a3)
/* 2c4c8: c4a40004 */ lwc1 $f4,0x4($a1)
/* 2c4cc: e4e40004 */ swc1 $f4,0x4($a3)
/* 2c4d0: c7aa0044 */ lwc1 $f10,0x44($sp)
/* 2c4d4: c4a80008 */ lwc1 $f8,0x8($a1)
/* 2c4d8: 46105182 */ mul.s $f6,$f10,$f16
/* 2c4dc: 46083100 */ add.s $f4,$f6,$f8
/* 2c4e0: e4e40008 */ swc1 $f4,0x8($a3)
/* 2c4e4: c7aa003c */ lwc1 $f10,0x3c($sp)
/* 2c4e8: c4a80000 */ lwc1 $f8,0x0($a1)
/* 2c4ec: 46125182 */ mul.s $f6,$f10,$f18
/* 2c4f0: 46083100 */ add.s $f4,$f6,$f8
/* 2c4f4: e4440000 */ swc1 $f4,0x0($v0)
/* 2c4f8: c4aa0004 */ lwc1 $f10,0x4($a1)
/* 2c4fc: e44a0004 */ swc1 $f10,0x4($v0)
/* 2c500: c7a60044 */ lwc1 $f6,0x44($sp)
/* 2c504: c4a40008 */ lwc1 $f4,0x8($a1)
/* 2c508: 46123202 */ mul.s $f8,$f6,$f18
/* 2c50c: 46044280 */ add.s $f10,$f8,$f4
/* 2c510: e44a0008 */ swc1 $f10,0x8($v0)
/* 2c514: 8fbf0024 */ lw $ra,0x24($sp)
/* 2c518: d7b60018 */ ldc1 $f22,0x18($sp)
/* 2c51c: d7b40010 */ ldc1 $f20,0x10($sp)
/* 2c520: 03e00008 */ jr $ra
/* 2c524: 27bd0048 */ addiu $sp,$sp,0x48
);
void cd0002c328(struct geotilei *tile, struct coord *arg1, struct coord *arg2, struct coord *arg3, struct coord *arg4)
{
struct coord sp3c;
u32 stack[2];
u8 numvertices;
f32 max = 0.0f;
f32 min = 0.0f;
f32 dist;
s32 i;
if (arg2->x != 0.0f || arg2->z != 0.0f) {
sp3c.x = arg2->z;
sp3c.y = 0.0f;
sp3c.z = -arg2->x;
dist = sqrtf(sp3c.f[0] * sp3c.f[0] + sp3c.f[2] * sp3c.f[2]);
if (dist > 0.0f) {
sp3c.x *= 1.0f / dist;
sp3c.z *= 1.0f / dist;
} else {
sp3c.x = 0.0f;
sp3c.y = 0.0f;
sp3c.z = 1.0f;
}
} else {
sp3c.x = 0.0f;
sp3c.y = 0.0f;
sp3c.z = 1.0f;
}
numvertices = tile->header.numvertices;
for (i = 0; i < numvertices; i++) {
f32 xdiff = tile->vertices[i][0] - arg1->x;
f32 zdiff = tile->vertices[i][2] - arg1->z;
f32 f0 = xdiff * sp3c.f[0] + zdiff * sp3c.f[2];
if (f0 > max) {
max = f0;
} else if (f0 < min) {
min = f0;
}
}
arg3->x = arg1->x + sp3c.f[0] * max;
arg3->y = arg1->y;
arg3->z = arg1->z + sp3c.f[2] * max;
arg4->x = arg1->x + sp3c.f[0] * min;
arg4->y = arg1->y;
arg4->z = arg1->z + sp3c.f[2] * min;
}
void cd0002c528(struct geotilef *tile, struct coord *arg1, struct coord *arg2, struct coord *arg3, struct coord *arg4)
{