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Decompile creditsCopyBackgroundLayer

This commit is contained in:
Ryan Dwyer 2021-01-15 17:09:20 +10:00
parent 015be3795f
commit 256ef407aa
2 changed files with 17 additions and 40 deletions
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55
src/game/credits.c
View File

@ -1095,41 +1095,17 @@ glabel creditsRenderBackgroundLayer
/* f137ea4: 27bd0080 */ addiu $sp,$sp,0x80
);
GLOBAL_ASM(
glabel func0f137ea8
/* f137ea8: 3c08800a */ lui $t0,%hi(g_CreditsData)
/* f137eac: 25084170 */ addiu $t0,$t0,%lo(g_CreditsData)
/* f137eb0: 8d020000 */ lw $v0,0x0($t0)
/* f137eb4: 00043900 */ sll $a3,$a0,0x4
/* f137eb8: 00051900 */ sll $v1,$a1,0x4
/* f137ebc: 00477021 */ addu $t6,$v0,$a3
/* f137ec0: 8dcf41b4 */ lw $t7,0x41b4($t6)
/* f137ec4: 0043c021 */ addu $t8,$v0,$v1
/* f137ec8: af0f41b4 */ sw $t7,0x41b4($t8)
/* f137ecc: 8d020000 */ lw $v0,0x0($t0)
/* f137ed0: 0047c821 */ addu $t9,$v0,$a3
/* f137ed4: c72441b8 */ lwc1 $f4,0x41b8($t9)
/* f137ed8: 00434821 */ addu $t1,$v0,$v1
/* f137edc: e52441b8 */ swc1 $f4,0x41b8($t1)
/* f137ee0: 8d020000 */ lw $v0,0x0($t0)
/* f137ee4: 00475021 */ addu $t2,$v0,$a3
/* f137ee8: c54641bc */ lwc1 $f6,0x41bc($t2)
/* f137eec: 00435821 */ addu $t3,$v0,$v1
/* f137ef0: e56641bc */ swc1 $f6,0x41bc($t3)
/* f137ef4: 8d020000 */ lw $v0,0x0($t0)
/* f137ef8: 00476021 */ addu $t4,$v0,$a3
/* f137efc: 8d8d41c0 */ lw $t5,0x41c0($t4)
/* f137f00: 00437021 */ addu $t6,$v0,$v1
/* f137f04: 10c00005 */ beqz $a2,.L0f137f1c
/* f137f08: adcd41c0 */ sw $t5,0x41c0($t6)
/* f137f0c: 8d180000 */ lw $t8,0x0($t0)
/* f137f10: 240fffff */ addiu $t7,$zero,-1
/* f137f14: 0307c821 */ addu $t9,$t8,$a3
/* f137f18: af2f41b4 */ sw $t7,0x41b4($t9)
.L0f137f1c:
/* f137f1c: 03e00008 */ jr $ra
/* f137f20: 00000000 */ nop
);
void creditsCopyBackgroundLayer(s32 srcindex, s32 dstindex, bool move)
{
g_CreditsData->unk41b4[dstindex].type = g_CreditsData->unk41b4[srcindex].type;
g_CreditsData->unk41b4[dstindex].rotatespeed = g_CreditsData->unk41b4[srcindex].rotatespeed;
g_CreditsData->unk41b4[dstindex].unk08 = g_CreditsData->unk41b4[srcindex].unk08;
g_CreditsData->unk41b4[dstindex].unk0c = g_CreditsData->unk41b4[srcindex].unk0c;
if (move) {
g_CreditsData->unk41b4[srcindex].type = -1;
}
}
Gfx *creditsRenderBackground(Gfx *gdl)
{
@ -1160,7 +1136,6 @@ Gfx *creditsRenderBackground(Gfx *gdl)
g_CreditsData->unk41b0[i] = 2;
}
uVar14 = ((value - 0.8f) / 0.2f) * 255.0f;
s1[len + 0] = val;
@ -1176,7 +1151,7 @@ Gfx *creditsRenderBackground(Gfx *gdl)
len += 2;
} else {
if (g_CreditsData->unk41b0[i] == 1) {
func0f137ea8(i + 2, i, 1);
creditsCopyBackgroundLayer(i + 2, i, true);
}
g_CreditsData->unk41b0[i] = 0;
@ -4979,8 +4954,10 @@ void creditsInit(void)
g_CreditsData->unk41b0[1] = 0;
creditsRandomiseBackground(0xffffffff);
func0f137ea8(2, 0, 1);
func0f137ea8(3, 1, 1);
// Move layers 2 and 3 to 0 and 1
creditsCopyBackgroundLayer(2, 0, true);
creditsCopyBackgroundLayer(3, 1, true);
g_CreditsData->unk41f4 = 1;

2
src/include/game/credits.h
View File

@ -7,7 +7,7 @@ u32 func0f137430(void);
u32 func0f1377d0(void);
u32 func0f137874(void);
Gfx *creditsRenderBackgroundLayer(Gfx *gdl, u8 type, u8 arg2, f32 arg3, u32 arg4, s32 arg5);
void func0f137ea8(s32 arg0, s32 arg1, s32 arg2);
void creditsCopyBackgroundLayer(s32 srcindex, s32 dstindex, bool move);
Gfx *creditsRenderBackground(Gfx *gdl);
f32 func0f1382e0(f32 range);
void creditsRandomiseBackground(u32 arg0);