sub_8146604

3 files changed, 65 insertions, 218 deletions

diff --git a/asm/mevent_8145654.s b/asm/mevent_8145654.s
index 31a8de0c3..b5e5dc019 100644
--- a/asm/mevent_8145654.s
+++ b/asm/mevent_8145654.s
@@ -5,224 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_8146604
-sub_8146604: @ 8146604
-	push {r4,r5,lr}
-	sub sp, 0x8
-	adds r2, r0, 0
-	ldr r5, =gUnknown_203F3CC
-	ldr r0, [r5]
-	cmp r0, 0
-	bne _0814661C
-	movs r0, 0x1
-	negs r0, r0
-	b _081467E0
-	.pool
-_0814661C:
-	movs r4, 0xE0
-	lsls r4, 1
-	adds r0, r4
-	ldrb r0, [r0]
-	lsrs r0, 1
-	cmp r0, 0x6
-	bls _0814662C
-	b _081467AA
-_0814662C:
-	lsls r0, 2
-	ldr r1, =_0814663C
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_0814663C:
-	.4byte _08146658
-	.4byte _0814666A
-	.4byte _081466AC
-	.4byte _0814670C
-	.4byte _0814673C
-	.4byte _08146778
-	.4byte _08146788
-_08146658:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0
-	movs r3, 0x10
-	bl BeginNormalPaletteFade
-	b _081467C4
-_0814666A:
-	bl UpdatePaletteFade
-	lsls r0, 24
-	cmp r0, 0
-	beq _08146676
-	b _081467DE
-_08146676:
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x40
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x44
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x48
-	movs r1, 0
-	bl SetGpuReg
-	movs r0, 0x4A
-	movs r1, 0
-	bl SetGpuReg
-	movs r1, 0x80
-	lsls r1, 6
-	movs r0, 0
-	bl ClearGpuRegBits
-	b _081467C4
-_081466AC:
-	movs r4, 0x1E
-	str r4, [sp]
-	movs r5, 0x14
-	str r5, [sp, 0x4]
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	str r4, [sp]
-	str r5, [sp, 0x4]
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	str r4, [sp]
-	movs r5, 0x18
-	str r5, [sp, 0x4]
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	str r4, [sp]
-	str r5, [sp, 0x4]
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x2
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x3
-	bl CopyBgTilemapBufferToVram
-	b _081467C4
-_0814670C:
-	movs r0, 0x1
-	bl HideBg
-	movs r0, 0x2
-	bl HideBg
-	ldr r4, =gUnknown_203F3CC
-	ldr r0, [r4]
-	movs r1, 0xE5
-	lsls r1, 1
-	adds r0, r1
-	ldrb r0, [r0]
-	bl RemoveWindow
-	ldr r0, [r4]
-	movs r2, 0xE4
-	lsls r2, 1
-	adds r0, r2
-	ldrb r0, [r0]
-	bl RemoveWindow
-	b _081467C4
-	.pool
-_0814673C:
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	ldr r4, =gUnknown_203F3CC
-	ldr r0, [r4]
-	ldr r2, =0x000001c1
-	adds r1, r0, r2
-	ldrb r0, [r1]
-	cmp r0, 0xFF
-	beq _081467C4
-	bl RemoveScrollIndicatorArrowPair
-	ldr r0, [r4]
-	ldr r2, =0x000001c1
-	adds r1, r0, r2
-	movs r0, 0xFF
-	strb r0, [r1]
-	b _081467C4
-	.pool
-_08146778:
-	ldr r0, =gUnknown_203F3B8
-	ldrb r0, [r0]
-	adds r1, r2, 0
-	bl sub_8142344
-	b _081467C4
-	.pool
-_08146788:
-	bl sub_8142420
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x3
-	bl CopyBgTilemapBufferToVram
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	b _081467C4
-_081467AA:
-	bl UpdatePaletteFade
-	lsls r0, 24
-	cmp r0, 0
-	bne _081467DE
-	ldr r0, [r5]
-	adds r0, r4
-	ldrb r2, [r0]
-	movs r1, 0x1
-	ands r1, r2
-	strb r1, [r0]
-	movs r0, 0x1
-	b _081467E0
-_081467C4:
-	ldr r0, =gUnknown_203F3CC
-	ldr r2, [r0]
-	movs r0, 0xE0
-	lsls r0, 1
-	adds r2, r0
-	ldrb r3, [r2]
-	lsrs r1, r3, 1
-	adds r1, 0x1
-	lsls r1, 1
-	movs r0, 0x1
-	ands r0, r3
-	orrs r0, r1
-	strb r0, [r2]
-_081467DE:
-	movs r0, 0
-_081467E0:
-	add sp, 0x8
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	.pool
-	thumb_func_end sub_8146604
-
 	thumb_func_start sub_81467EC
 sub_81467EC: @ 81467EC
 	push {r4,r5,lr}
diff --git a/include/link_rfu.h b/include/link_rfu.h
index 065d23f9f..6e54fcc6c 100644
--- a/include/link_rfu.h
+++ b/include/link_rfu.h
@@ -4,5 +4,6 @@
 void sub_8142504(const u8 *str);
 bool32 mevent_0814257C(u8 * cmdPtr, const u8 * src);
 void sub_80FA190(void);
+void sub_8142420(void);
 
 #endif //GUARD_LINK_RFU_H
diff --git a/src/mevent_8145654.c b/src/mevent_8145654.c
index 3d7f6d3ca..5161d5380 100644
--- a/src/mevent_8145654.c
+++ b/src/mevent_8145654.c
@@ -10,6 +10,7 @@
 #include "mystery_gift_menu.h"
 #include "menu_indicators.h"
 #include "string_util.h"
+#include "link_rfu.h"
 #include "mevent.h"
 
 struct UnkStruct_8467FB8
@@ -574,3 +575,66 @@ s32 sub_8146318(void)
     ++gUnknown_203F3CC->unk_01C0_1;
     return 0;
 }
+
+s32 sub_8146604(bool32 flag)
+{
+    if (gUnknown_203F3CC == NULL)
+        return -1;
+    switch (gUnknown_203F3CC->unk_01C0_1)
+    {
+        case 0:
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, 0);
+            break;
+        case 1:
+            if (UpdatePaletteFade())
+                return 0;
+            ChangeBgY(2, 0, 0);
+            SetGpuReg(REG_OFFSET_WIN0H, 0);
+            SetGpuReg(REG_OFFSET_WIN0V, 0);
+            SetGpuReg(REG_OFFSET_WININ, 0);
+            SetGpuReg(REG_OFFSET_WINOUT, 0);
+            ClearGpuRegBits(REG_OFFSET_DISPCNT, DISPCNT_WIN0_ON);
+            break;
+        case 2:
+            FillBgTilemapBufferRect_Palette0(0, 0x000, 0, 0, 30, 20);
+            FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
+            FillBgTilemapBufferRect_Palette0(2, 0x000, 0, 0, 30, 24);
+            FillBgTilemapBufferRect_Palette0(3, 0x000, 0, 0, 30, 24);
+            CopyBgTilemapBufferToVram(0);
+            CopyBgTilemapBufferToVram(1);
+            CopyBgTilemapBufferToVram(2);
+            CopyBgTilemapBufferToVram(3);
+            break;
+        case 3:
+            HideBg(1);
+            HideBg(2);
+            RemoveWindow(gUnknown_203F3CC->unk_01C8[1]);
+            RemoveWindow(gUnknown_203F3CC->unk_01C8[0]);
+            break;
+        case 4:
+            ChangeBgY(2, 0, 0);
+            ChangeBgY(3, 0, 0);
+            if (gUnknown_203F3CC->unk_01C1 != 0xFF)
+            {
+                RemoveScrollIndicatorArrowPair(gUnknown_203F3CC->unk_01C1);
+                gUnknown_203F3CC->unk_01C1 = 0xFF;
+            }
+            break;
+        case 5:
+            sub_8142344(gUnknown_203F3B8, flag);
+            break;
+        case 6:
+            sub_8142420();
+            CopyBgTilemapBufferToVram(0);
+            CopyBgTilemapBufferToVram(3);
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, 0);
+            break;
+        default:
+            if (UpdatePaletteFade())
+                return 0;
+            gUnknown_203F3CC->unk_01C0_1 = 0;
+            return 1;
+    }
+    ++gUnknown_203F3CC->unk_01C0_1;
+    return 0;
+}