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sub_803E9D0

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This commit is contained in:
DizzyEggg
2024-10-04 11:10:29 +02:00
parent 3f743bca1c
commit 8ec9d47818
5 changed files with 95 additions and 205 deletions
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198
asm/code_803E724.s
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@@ -5,205 +5,7 @@
.text
thumb_func_start sub_803E874
sub_803E874:
push {r4-r7,lr}
mov r7, r10
mov r6, r9
mov r5, r8
push {r5-r7}
sub sp, 0x8
mov r9, r1
lsls r0, 24
lsrs r0, 24
mov r10, r0
ldr r0, _0803E9A4
ldr r0, [r0]
ldr r5, [r0, 0x4]
ldr r1, _0803E9A8
ldr r0, _0803E9AC
ldr r2, [r0]
ldr r0, _0803E9B0
ldr r3, [r0]
movs r0, 0xBE
lsls r0, 1
adds r3, r0
movs r0, 0
bl SetBGPaletteBufferColorRGB
adds r5, 0x4
movs r6, 0x1
movs r4, 0x9F
_0803E8AA:
ldr r1, _0803E9AC
mov r8, r1
ldr r2, [r1]
ldr r7, _0803E9B0
ldr r3, [r7]
movs r0, 0xBE
lsls r0, 1
adds r3, r0
adds r0, r6, 0
adds r1, r5, 0
bl SetBGPaletteBufferColorRGB
adds r5, 0x4
adds r6, 0x1
subs r4, 0x1
cmp r4, 0
bne _0803E8AA
ldr r3, [r7]
ldr r1, _0803E9B4
adds r0, r3, r1
ldrb r0, [r0]
cmp r0, 0
beq _0803E8E2
ldr r2, _0803E9B8
adds r0, r3, r2
ldr r0, [r0]
cmp r0, 0x3
bne _0803E8FC
_0803E8E2:
ldr r1, _0803E9BC
mov r2, r8
ldr r0, [r2]
str r0, [sp]
movs r2, 0xBE
lsls r2, 1
adds r0, r3, r2
str r0, [sp, 0x4]
movs r0, 0x1
movs r2, 0xA0
movs r3, 0x20
bl sub_8004AF0
_0803E8FC:
adds r6, 0x20
ldr r5, _0803E9C0
movs r4, 0x20
_0803E902:
ldr r0, _0803E9AC
ldr r2, [r0]
ldr r0, _0803E9B0
ldr r3, [r0]
movs r0, 0xBE
lsls r0, 1
adds r3, r0
adds r0, r6, 0
adds r1, r5, 0
bl SetBGPaletteBufferColorRGB
adds r5, 0x4
adds r6, 0x1
subs r4, 0x1
cmp r4, 0
bne _0803E902
mov r1, r10
cmp r1, 0
beq _0803E948
movs r6, 0xE0
ldr r0, _0803E9C4
ldr r0, [r0]
ldr r5, [r0, 0x4]
movs r4, 0x10
_0803E932:
adds r0, r6, 0
adds r1, r5, 0
mov r2, r9
movs r3, 0
bl SetBGPaletteBufferColorRGB
adds r5, 0x4
adds r6, 0x1
subs r4, 0x1
cmp r4, 0
bne _0803E932
_0803E948:
ldr r1, _0803E9C8
ldr r4, _0803E9AC
ldr r2, [r4]
movs r0, 0xF8
movs r3, 0
bl SetBGPaletteBufferColorRGB
ldr r0, _0803E9B0
ldr r0, [r0]
ldr r2, _0803E9CC
adds r0, r2
ldr r0, [r0]
ldr r5, [r0, 0x4]
movs r6, 0x80
lsls r6, 1
adds r7, r4, 0
movs r4, 0xD0
_0803E96A:
ldr r2, [r7]
ldr r0, _0803E9B0
ldr r3, [r0]
movs r0, 0xBE
lsls r0, 1
adds r3, r0
adds r0, r6, 0
adds r1, r5, 0
bl SetBGPaletteBufferColorRGB
ldr r2, [r7]
adds r0, r6, 0
adds r1, r5, 0
movs r3, 0
bl nullsub_4
adds r5, 0x4
adds r6, 0x1
subs r4, 0x1
cmp r4, 0
bne _0803E96A
add sp, 0x8
pop {r3-r5}
mov r8, r3
mov r9, r4
mov r10, r5
pop {r4-r7}
pop {r0}
bx r0
.align 2, 0
_0803E9A4: .4byte gDungeonPaletteFile
_0803E9A8: .4byte gUnknown_80F62AC
_0803E9AC: .4byte gUnknown_202EDC8
_0803E9B0: .4byte gDungeon
_0803E9B4: .4byte 0x00018215
_0803E9B8: .4byte 0x0001c06c
_0803E9BC: .4byte gUnknown_202EE8C
_0803E9C0: .4byte gUnknown_202ECA4
_0803E9C4: .4byte gDungeonNameBannerPalette
_0803E9C8: .4byte gUnknown_202D058
_0803E9CC: .4byte 0x000181e4
thumb_func_end sub_803E874
thumb_func_start sub_803E9D0
sub_803E9D0:
push {r4-r7,lr}
ldr r0, _0803EA04
ldr r0, [r0]
ldr r1, _0803EA08
adds r0, r1
ldr r0, [r0]
ldr r4, [r0, 0x4]
movs r6, 0x80
lsls r6, 1
ldr r7, _0803EA0C
movs r5, 0xD0
_0803E9E6:
ldr r2, [r7]
adds r0, r6, 0
adds r1, r4, 0
movs r3, 0
bl nullsub_4
adds r4, 0x4
adds r6, 0x1
subs r5, 0x1
cmp r5, 0
bne _0803E9E6
pop {r4-r7}
pop {r0}
bx r0
.align 2, 0
_0803EA04: .4byte gDungeon
_0803EA08: .4byte 0x000181e4
_0803EA0C: .4byte gUnknown_202EDC8
thumb_func_end sub_803E9D0
thumb_func_start sub_803EA10
sub_803EA10:

8
include/bg_palette_buffer.h
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@@ -2,10 +2,10 @@
#define GUARD_BG_PALETTE_BUFFER_H
void InitBGPaletteBuffer(void);
void nullsub_4(s32 index, u8 *colorArray, s32, u8 *);
void nullsub_4(s32 index, const u8 *colorArray, s32, u8 *);
void nullsub_5(void);
void SetBGPaletteBufferColorArray(s32 index, u8 *colorArray);
void SetBGPaletteBufferColorRGB(s32 index, u8 *colorArray, s32, u8 *);
void SetBGPaletteBufferColorArray(s32 index, const u8 *colorArray);
void SetBGPaletteBufferColorRGB(s32 index, const u8 *colorArray, s32, u8 *);
void TransferBGPaletteBuffer(void);
#endif // GUARD_BG_PALETTE_BUFFER_H
#endif // GUARD_BG_PALETTE_BUFFER_H

1
ld_script.txt
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@@ -208,6 +208,7 @@ SECTIONS {
src/code_803D110.o(.text);
asm/code_803D110.o(.text);
src/code_803E46C.o(.text);
src/code_803E724.o(.text);
asm/code_803E724.o(.text);
src/code_8040094.o(.text);
asm/code_8040094.o(.text);

6
src/bg_palette_buffer.c
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@@ -22,7 +22,7 @@ void InitBGPaletteBuffer(void)
}
// 99.48% (r3/r4 regswap) https://decomp.me/scratch/7Yc8i
void SetBGPaletteBufferColorRGB(s32 index, u8 *colorArray, s32 a1, u8 *a2)
void SetBGPaletteBufferColorRGB(s32 index, const u8 *colorArray, s32 a1, u8 *a2)
{
#ifdef NONMATCHING
s32 var;
@@ -43,7 +43,7 @@ void SetBGPaletteBufferColorRGB(s32 index, u8 *colorArray, s32 a1, u8 *a2)
sBGPaletteBuffer[index] = var = ((a2[4 * colorArray[2] + 2] * a1 / 256 & 0x1F) << 10) | ((a2[4 * colorArray[1] + 1] * a1 / 256 & 0x1F) << 5) | (a2[4 * colorArray[0]] * a1 / 256 & 0x1F);
}
void SetBGPaletteBufferColorArray(s32 index, u8 *colorArray)
void SetBGPaletteBufferColorArray(s32 index, const u8 *colorArray)
{
sBGPaletteUsed[index / BG_PALETTE_BUFFER_CHUNK_SIZE] = TRUE;
sBGPaletteBuffer[index] = (colorArray[2] >> 3) << 10 | (colorArray[1] >> 3) << 5 | colorArray[0] >> 3;
@@ -55,7 +55,7 @@ void SetBGPaletteBufferColor(s32 index, u16 *color)
sBGPaletteBuffer[index] = *color;
}
void nullsub_4(s32 index, u8 *colorArray, s32 a1, u8 *a2)
void nullsub_4(s32 index, const u8 *colorArray, s32 a1, u8 *a2)
{
}

87
src/code_803E724.c Normal file
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@@ -0,0 +1,87 @@
#include "global.h"
#include "dungeon.h"
#include "bg_palette_buffer.h"
#include "code_8004AA0.h"
extern s32 gUnknown_202EDC8;
struct DungeonPalFile
{
void *unk0;
const void *unk4;
};
extern struct DungeonPalFile *gDungeonPaletteFile;
extern struct DungeonPalFile *gDungeonNameBannerPalette;
extern u8 gUnknown_202ECA4[];
extern u8 gUnknown_202D058[];
extern const u8 gUnknown_80F62AC[];
void sub_803E874(bool8 r10, s32 r9)
{
s32 i, index, count;
const u8 *colorArray;
colorArray = gDungeonPaletteFile->unk4;
SetBGPaletteBufferColorRGB(0, gUnknown_80F62AC, gUnknown_202EDC8, (void *) &gDungeon->unk17C);
colorArray += 4;
index = 1;
count = 159;
for (i = 0; i < count; i++) {
SetBGPaletteBufferColorRGB(index, colorArray, gUnknown_202EDC8, (void *) &gDungeon->unk17C);
colorArray += 4;
index++;
}
if (gDungeon->unk181e8.unk18215 == 0 || gDungeon->unk1C06C == 3) {
sub_8004AF0(TRUE, gUnknown_202EE8C, 0xA0, 0x20, gUnknown_202EDC8, (void *) &gDungeon->unk17C);
}
index += 32;
colorArray = gUnknown_202ECA4;
count = 32;
for (i = 0; i < count; i++) {
SetBGPaletteBufferColorRGB(index, colorArray, gUnknown_202EDC8, (void *) &gDungeon->unk17C);
colorArray += 4;
index++;
}
if (r10) {
index = 224;
colorArray = gDungeonNameBannerPalette->unk4;
count = 16;
for (i = 0; i < count; i++) {
SetBGPaletteBufferColorRGB(index, colorArray, r9, NULL);
colorArray += 4;
index++;
}
}
SetBGPaletteBufferColorRGB(248, gUnknown_202D058, gUnknown_202EDC8, NULL);
colorArray = ((struct DungeonPalFile*) gDungeon->paletFile)->unk4;
index = 256;
count = 208;
for (i = 0; i < count; i++) {
SetBGPaletteBufferColorRGB(index, colorArray, gUnknown_202EDC8, (void *) &gDungeon->unk17C);
nullsub_4(index, colorArray, gUnknown_202EDC8, NULL);
colorArray += 4;
index++;
}
}
void sub_803E9D0(void)
{
s32 i, index, count;
const u8 *colorArray;
colorArray = ((struct DungeonPalFile*) gDungeon->paletFile)->unk4;
index = 256;
count = 208;
for (i = 0; i < count; i++) {
nullsub_4(index, colorArray, gUnknown_202EDC8, NULL);
colorArray += 4;
index++;
}
}