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Decompile func0f1578c8

This commit is contained in:
Ryan Dwyer 2022-07-16 16:36:56 +10:00
parent 0c40b772c4
commit 5e21eb8d2d
2 changed files with 33 additions and 75 deletions
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106
src/game/collisionutils.c
View File

@ -12,9 +12,6 @@
#include "data.h"
#include "types.h"
const u32 var7f1b7410[] = {0x7f7fffff};
const u32 var7f1b7414[] = {0x7f7fffff};
GLOBAL_ASM(
glabel func0f1577f0
/* f1577f0: c4ce0000 */ lwc1 $f14,0x0($a2)
@ -77,77 +74,38 @@ glabel func0f1577f0
/* f1578c4: 27bd0020 */ addiu $sp,$sp,0x20
);
GLOBAL_ASM(
glabel func0f1578c8
/* f1578c8: 27bdffd0 */ addiu $sp,$sp,-48
/* f1578cc: afbf001c */ sw $ra,0x1c($sp)
/* f1578d0: f7b40010 */ sdc1 $f20,0x10($sp)
/* f1578d4: c48a0008 */ lwc1 $f10,0x8($a0)
/* f1578d8: c4c80004 */ lwc1 $f8,0x4($a2)
/* f1578dc: c4860004 */ lwc1 $f6,0x4($a0)
/* f1578e0: c4c40000 */ lwc1 $f4,0x0($a2)
/* f1578e4: 460a4301 */ sub.s $f12,$f8,$f10
/* f1578e8: c4ae0000 */ lwc1 $f14,0x0($a1)
/* f1578ec: c4b00004 */ lwc1 $f16,0x4($a1)
/* f1578f0: 46062001 */ sub.s $f0,$f4,$f6
/* f1578f4: 460c7102 */ mul.s $f4,$f14,$f12
/* f1578f8: c4920000 */ lwc1 $f18,0x0($a0)
/* f1578fc: 3c017f1b */ lui $at,%hi(var7f1b7410)
/* f157900: 46100182 */ mul.s $f6,$f0,$f16
/* f157904: 46062501 */ sub.s $f20,$f4,$f6
/* f157908: 46007202 */ mul.s $f8,$f14,$f0
/* f15790c: 00000000 */ nop
/* f157910: 46106282 */ mul.s $f10,$f12,$f16
/* f157914: 46149101 */ sub.s $f4,$f18,$f20
/* f157918: 46149180 */ add.s $f6,$f18,$f20
/* f15791c: 460a4080 */ add.s $f2,$f8,$f10
/* f157920: 46062202 */ mul.s $f8,$f4,$f6
/* f157924: 44805000 */ mtc1 $zero,$f10
/* f157928: 00000000 */ nop
/* f15792c: 460a403c */ c.lt.s $f8,$f10
/* f157930: e7a80024 */ swc1 $f8,0x24($sp)
/* f157934: c7ac0024 */ lwc1 $f12,0x24($sp)
/* f157938: 45000003 */ bc1f .L0f157948
/* f15793c: 00000000 */ nop
/* f157940: 1000001d */ b .L0f1579b8
/* f157944: c4207410 */ lwc1 $f0,%lo(var7f1b7410)($at)
.L0f157948:
/* f157948: afa40030 */ sw $a0,0x30($sp)
/* f15794c: 0c012974 */ jal sqrtf
/* f157950: e7a2002c */ swc1 $f2,0x2c($sp)
/* f157954: c7a2002c */ lwc1 $f2,0x2c($sp)
/* f157958: 44806000 */ mtc1 $zero,$f12
/* f15795c: 8fa40030 */ lw $a0,0x30($sp)
/* f157960: 46001081 */ sub.s $f2,$f2,$f0
/* f157964: 460c103c */ c.lt.s $f2,$f12
/* f157968: 00000000 */ nop
/* f15796c: 45020012 */ bc1fl .L0f1579b8
/* f157970: 46001006 */ mov.s $f0,$f2
/* f157974: c4920000 */ lwc1 $f18,0x0($a0)
/* f157978: 3c017f1b */ lui $at,%hi(var7f1b7414)
/* f15797c: 46129102 */ mul.s $f4,$f18,$f18
/* f157980: 00000000 */ nop
/* f157984: 46021182 */ mul.s $f6,$f2,$f2
/* f157988: 00000000 */ nop
/* f15798c: 4614a202 */ mul.s $f8,$f20,$f20
/* f157990: 46083280 */ add.s $f10,$f6,$f8
/* f157994: 4604503e */ c.le.s $f10,$f4
/* f157998: 00000000 */ nop
/* f15799c: 45000003 */ bc1f .L0f1579ac
/* f1579a0: 00000000 */ nop
/* f1579a4: 10000004 */ b .L0f1579b8
/* f1579a8: 46006006 */ mov.s $f0,$f12
.L0f1579ac:
/* f1579ac: 10000002 */ b .L0f1579b8
/* f1579b0: c4207414 */ lwc1 $f0,%lo(var7f1b7414)($at)
/* f1579b4: 46001006 */ mov.s $f0,$f2
.L0f1579b8:
/* f1579b8: 8fbf001c */ lw $ra,0x1c($sp)
/* f1579bc: d7b40010 */ ldc1 $f20,0x10($sp)
/* f1579c0: 27bd0030 */ addiu $sp,$sp,0x30
/* f1579c4: 03e00008 */ jr $ra
/* f1579c8: 00000000 */ nop
);
f32 func0f1578c8(struct coord *arg0, struct coord *arg1, struct coord *arg2)
{
f32 value2;
f32 value1;
f32 sp24;
f32 mult1;
f32 mult2;
mult1 = arg2->x - arg0->y;
mult2 = arg2->y - arg0->z;
value1 = mult2 * arg1->x - mult1 * arg1->y;
value2 = mult1 * arg1->x + mult2 * arg1->y;
sp24 = (arg0->x - value1) * (arg0->x + value1);
if (sp24 < 0.0f) {
return MAXFLOAT;
}
value2 -= sqrtf(sp24);
if (value2 < 0.0f) {
if (value2 * value2 + value1 * value1 <= arg0->x * arg0->x) {
return 0.0f;
}
return MAXFLOAT;
}
return value2;
}
GLOBAL_ASM(
glabel func0f1579cc

2
src/include/lib/collision.h
View File

@ -5,7 +5,7 @@
#include "types.h"
u32 func0f1577f0(void);
u32 func0f1578c8(void);
f32 func0f1578c8(struct coord *arg0, struct coord *arg1, struct coord *arg2);
f32 func0f1579cc(f32 *arg0, f32 *arg1, f32 *arg2, f32 *arg3);
f32 cd00024e40(void);