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Decompile func00029ffc

This commit is contained in:
Ryan Dwyer 2021-05-09 17:06:31 +10:00
parent c74dcfd7d9
commit 387fcfd784
2 changed files with 31 additions and 86 deletions
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2
src/include/lib/lib_24e40.h
View File

@ -57,7 +57,7 @@ s32 func00028914(struct tile *start, struct tile *end, struct coord *pos, f32 wi
void func00028df0(struct coord *pos, f32 width, s16 *rooms, u32 types, u16 arg4, u32 arg5, f32 ymax, f32 ymin, struct collisionthing *arg8, s32 arg9);
void func0002901c(struct coord *pos, struct coord *dist, f32 width, struct collisionthing *arg3);
f32 func000296a0(struct collisionthing *arg0, struct coord *pos, struct tilething **arg2, f32 width);
bool func00029ffc(struct coord *pos, f32 width, f32 foreheadheight, f32 inversefeettoeyesheight, s16 *rooms, u32 arg5, struct coord *laddernormal);
bool func00029ffc(struct coord *pos, f32 width, f32 foreheadheight, f32 inversefeettoeyesheight, s16 *rooms, u16 arg5, struct coord *laddernormal);
u32 func0002a13c(void);
f32 cdFindGroundY(struct coord *pos, f32 width, s16 *rooms, u16 *floorcol, u8 *floortype, u16 *floorflags, s16 *floorroom, s32 *inlift, struct prop **lift);
f32 func0002a324(void);

115
src/lib/lib_24e40.c
View File

@ -5867,91 +5867,36 @@ glabel func000296a0
);
#endif
GLOBAL_ASM(
glabel func00029ffc
/* 29ffc: 27bdff88 */ addiu $sp,$sp,-120
/* 2a000: 44856000 */ mtc1 $a1,$f12
/* 2a004: afa70084 */ sw $a3,0x84($sp)
/* 2a008: 44867000 */ mtc1 $a2,$f14
/* 2a00c: c7a40084 */ lwc1 $f4,0x84($sp)
/* 2a010: 97ae008e */ lhu $t6,0x8e($sp)
/* 2a014: afbf002c */ sw $ra,0x2c($sp)
/* 2a018: 27b80050 */ addiu $t8,$sp,0x50
/* 2a01c: 240f0001 */ addiu $t7,$zero,0x1
/* 2a020: 24190001 */ addiu $t9,$zero,0x1
/* 2a024: 44056000 */ mfc1 $a1,$f12
/* 2a028: afa40078 */ sw $a0,0x78($sp)
/* 2a02c: afb90024 */ sw $t9,0x24($sp)
/* 2a030: afaf0014 */ sw $t7,0x14($sp)
/* 2a034: afb80020 */ sw $t8,0x20($sp)
/* 2a038: 8fa60088 */ lw $a2,0x88($sp)
/* 2a03c: 24070020 */ addiu $a3,$zero,0x20
/* 2a040: e7a4001c */ swc1 $f4,0x1c($sp)
/* 2a044: e7ae0018 */ swc1 $f14,0x18($sp)
/* 2a048: 0c009f47 */ jal func00027d1c
/* 2a04c: afae0010 */ sw $t6,0x10($sp)
/* 2a050: 8fa40050 */ lw $a0,0x50($sp)
/* 2a054: 8fa50090 */ lw $a1,0x90($sp)
/* 2a058: 00001025 */ or $v0,$zero,$zero
/* 2a05c: 10800033 */ beqz $a0,.L0002a12c
/* 2a060: 00000000 */ nop
/* 2a064: 0c00964a */ jal func00025928
/* 2a068: afa4004c */ sw $a0,0x4c($sp)
/* 2a06c: 8fa2004c */ lw $v0,0x4c($sp)
/* 2a070: 8fa30078 */ lw $v1,0x78($sp)
/* 2a074: 8fa50090 */ lw $a1,0x90($sp)
/* 2a078: 8448000e */ lh $t0,0xe($v0)
/* 2a07c: c4660000 */ lwc1 $f6,0x0($v1)
/* 2a080: 44884000 */ mtc1 $t0,$f8
/* 2a084: 00000000 */ nop
/* 2a088: 468042a0 */ cvt.s.w $f10,$f8
/* 2a08c: 460a3401 */ sub.s $f16,$f6,$f10
/* 2a090: e7b00040 */ swc1 $f16,0x40($sp)
/* 2a094: 84490010 */ lh $t1,0x10($v0)
/* 2a098: c4720004 */ lwc1 $f18,0x4($v1)
/* 2a09c: 44892000 */ mtc1 $t1,$f4
/* 2a0a0: 00000000 */ nop
/* 2a0a4: 46802220 */ cvt.s.w $f8,$f4
/* 2a0a8: 46089181 */ sub.s $f6,$f18,$f8
/* 2a0ac: c7a80040 */ lwc1 $f8,0x40($sp)
/* 2a0b0: e7a60044 */ swc1 $f6,0x44($sp)
/* 2a0b4: 844a0012 */ lh $t2,0x12($v0)
/* 2a0b8: c46a0008 */ lwc1 $f10,0x8($v1)
/* 2a0bc: 448a8000 */ mtc1 $t2,$f16
/* 2a0c0: 00000000 */ nop
/* 2a0c4: 46808120 */ cvt.s.w $f4,$f16
/* 2a0c8: c7b00044 */ lwc1 $f16,0x44($sp)
/* 2a0cc: 46045481 */ sub.s $f18,$f10,$f4
/* 2a0d0: e7b20048 */ swc1 $f18,0x48($sp)
/* 2a0d4: c4a20000 */ lwc1 $f2,0x0($a1)
/* 2a0d8: c4ac0004 */ lwc1 $f12,0x4($a1)
/* 2a0dc: c7b20048 */ lwc1 $f18,0x48($sp)
/* 2a0e0: 46024182 */ mul.s $f6,$f8,$f2
/* 2a0e4: c4a00008 */ lwc1 $f0,0x8($a1)
/* 2a0e8: 460c8282 */ mul.s $f10,$f16,$f12
/* 2a0ec: 460a3100 */ add.s $f4,$f6,$f10
/* 2a0f0: 46120202 */ mul.s $f8,$f0,$f18
/* 2a0f4: 44803000 */ mtc1 $zero,$f6
/* 2a0f8: 46044400 */ add.s $f16,$f8,$f4
/* 2a0fc: 4606803c */ c.lt.s $f16,$f6
/* 2a100: 00000000 */ nop
/* 2a104: 45000007 */ bc1f .L0002a124
/* 2a108: 00000000 */ nop
/* 2a10c: 46001287 */ neg.s $f10,$f2
/* 2a110: 46006487 */ neg.s $f18,$f12
/* 2a114: 46000207 */ neg.s $f8,$f0
/* 2a118: e4aa0000 */ swc1 $f10,0x0($a1)
/* 2a11c: e4b20004 */ swc1 $f18,0x4($a1)
/* 2a120: e4a80008 */ swc1 $f8,0x8($a1)
.L0002a124:
/* 2a124: 10000001 */ b .L0002a12c
/* 2a128: 24020001 */ addiu $v0,$zero,0x1
.L0002a12c:
/* 2a12c: 8fbf002c */ lw $ra,0x2c($sp)
/* 2a130: 27bd0078 */ addiu $sp,$sp,0x78
/* 2a134: 03e00008 */ jr $ra
/* 2a138: 00000000 */ nop
);
bool func00029ffc(struct coord *pos, f32 width, f32 foreheadheight, f32 inversefeettoeyesheight, s16 *rooms, u16 arg5, struct coord *laddernormal)
{
u32 stack[5];
struct collisionthing thing;
func00027d1c(pos, width, rooms, CDTYPE_BG,
arg5, 1, foreheadheight, inversefeettoeyesheight,
&thing, 1);
if (thing.tile) {
struct tiletype0 *tile = (struct tiletype0 *) thing.tile;
struct coord dist;
func00025928(&thing.tile->header, laddernormal);
dist.x = pos->x - tile->vertices[0][0];
dist.y = pos->y - tile->vertices[0][1];
dist.z = pos->z - tile->vertices[0][2];
if (dist.f[0] * laddernormal->f[0] + dist.f[1] * laddernormal->f[1] + dist.f[2] * laddernormal->f[2] < 0) {
laddernormal->x = -laddernormal->x;
laddernormal->y = -laddernormal->y;
laddernormal->z = -laddernormal->z;
}
return true;
}
return false;
}
GLOBAL_ASM(
glabel func0002a13c