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Decompile func0001c868

This commit is contained in:
Ryan Dwyer 2021-04-28 22:44:15 +10:00
parent 8bc185b3f6
commit dad48b9ed0
2 changed files with 55 additions and 60 deletions
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4
src/include/types.h
View File

@ -539,8 +539,8 @@ struct modelrodata_hat { // type 0x09
f32 unk04;
f32 unk08;
f32 unk0c[3];
u32 unk18;
u32 unk1c;
struct modelnode *unk18;
struct modelnode *unk1c;
s16 unk20;
u16 rwdataindex;
};

111
src/lib/model.c
View File

@ -3193,64 +3193,59 @@ void modelAttachHead(struct model *model, struct modelnode *bodynode)
}
}
GLOBAL_ASM(
glabel func0001c868
/* 1c868: 10a00004 */ beqz $a1,.L0001c87c
/* 1c86c: 8c820004 */ lw $v0,0x4($a0)
/* 1c870: 8c430018 */ lw $v1,0x18($v0)
/* 1c874: 10000003 */ b .L0001c884
/* 1c878: 8c45001c */ lw $a1,0x1c($v0)
.L0001c87c:
/* 1c87c: 8c43001c */ lw $v1,0x1c($v0)
/* 1c880: 8c450018 */ lw $a1,0x18($v0)
.L0001c884:
/* 1c884: 10600022 */ beqz $v1,.L0001c910
/* 1c888: 00000000 */ nop
/* 1c88c: ac830014 */ sw $v1,0x14($a0)
/* 1c890: 8c66000c */ lw $a2,0xc($v1)
/* 1c894: ac600010 */ sw $zero,0x10($v1)
/* 1c898: 00601025 */ or $v0,$v1,$zero
/* 1c89c: 10c0000a */ beqz $a2,.L0001c8c8
/* 1c8a0: 00000000 */ nop
/* 1c8a4: 10a60008 */ beq $a1,$a2,.L0001c8c8
/* 1c8a8: 00000000 */ nop
/* 1c8ac: 8c44000c */ lw $a0,0xc($v0)
/* 1c8b0: 00801025 */ or $v0,$a0,$zero
.L0001c8b4:
/* 1c8b4: 8c84000c */ lw $a0,0xc($a0)
/* 1c8b8: 10800003 */ beqz $a0,.L0001c8c8
/* 1c8bc: 00000000 */ nop
/* 1c8c0: 54a4fffc */ bnel $a1,$a0,.L0001c8b4
/* 1c8c4: 00801025 */ or $v0,$a0,$zero
.L0001c8c8:
/* 1c8c8: 10a00014 */ beqz $a1,.L0001c91c
/* 1c8cc: ac45000c */ sw $a1,0xc($v0)
/* 1c8d0: 8ca4000c */ lw $a0,0xc($a1)
/* 1c8d4: aca20010 */ sw $v0,0x10($a1)
/* 1c8d8: 00a01025 */ or $v0,$a1,$zero
/* 1c8dc: 1080000a */ beqz $a0,.L0001c908
/* 1c8e0: 00000000 */ nop
/* 1c8e4: 10640008 */ beq $v1,$a0,.L0001c908
/* 1c8e8: 00000000 */ nop
/* 1c8ec: 8ca4000c */ lw $a0,0xc($a1)
/* 1c8f0: 00801025 */ or $v0,$a0,$zero
.L0001c8f4:
/* 1c8f4: 8c84000c */ lw $a0,0xc($a0)
/* 1c8f8: 10800003 */ beqz $a0,.L0001c908
/* 1c8fc: 00000000 */ nop
/* 1c900: 5464fffc */ bnel $v1,$a0,.L0001c8f4
/* 1c904: 00801025 */ or $v0,$a0,$zero
.L0001c908:
/* 1c908: 03e00008 */ jr $ra
/* 1c90c: ac40000c */ sw $zero,0xc($v0)
.L0001c910:
/* 1c910: 10a00002 */ beqz $a1,.L0001c91c
/* 1c914: ac850014 */ sw $a1,0x14($a0)
/* 1c918: aca00010 */ sw $zero,0x10($a1)
.L0001c91c:
/* 1c91c: 03e00008 */ jr $ra
/* 1c920: 00000000 */ nop
);
void func0001c868(struct modelnode *basenode, bool visible)
{
union modelrodata *rodata = basenode->rodata;
struct modelnode *node1;
struct modelnode *node2;
struct modelnode *loopnode;
if (visible) {
node1 = rodata->hat.unk18;
node2 = rodata->hat.unk1c;
} else {
node1 = rodata->hat.unk1c;
node2 = rodata->hat.unk18;
}
if (node1) {
// I think what's happening here is there's two groups of siblings,
// where node1 and node2 are the head nodes. Either group can be first,
// and this is ensuring the node1 group is first.
// Note that node2 might be NULL.
basenode->child = node1;
node1->prev = NULL;
// Skip through node1's siblings until node2 is found or the end is
// reached
loopnode = node1;
while (loopnode->next && loopnode->next != node2) {
loopnode = loopnode->next;
}
loopnode->next = node2;
if (node2) {
// Append node2 and its siblings to node1's siblings
node2->prev = loopnode;
loopnode = node2;
while (loopnode->next && loopnode->next != node1) {
loopnode = loopnode->next;
}
loopnode->next = NULL;
}
} else {
basenode->child = node2;
if (node2) {
node2->prev = NULL;
}
}
}
void func0001c924(struct model *model, struct modelnode *node)
{