region_map through sub_80C0450

2 files changed, 166 insertions, 458 deletions

diff --git a/asm/region_map.s b/asm/region_map.s
index 5c01074a9..e3317d3b1 100644
--- a/asm/region_map.s
+++ b/asm/region_map.s
@@ -5,463 +5,6 @@
 
 	.text
 
-	thumb_func_start sub_80C0100
-sub_80C0100: @ 80C0100
-	push {r4,lr}
-	sub sp, 0x8
-	ldr r0, _080C011C @ =gUnknown_20399D4
-	ldr r0, [r0]
-	ldr r1, _080C0120 @ =0x000047a4
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0x8
-	bhi _080C0202
-	lsls r0, 2
-	ldr r1, _080C0124 @ =_080C0128
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_080C011C: .4byte gUnknown_20399D4
-_080C0120: .4byte 0x000047a4
-_080C0124: .4byte _080C0128
-	.align 2, 0
-_080C0128:
-	.4byte _080C014C
-	.4byte _080C0152
-	.4byte _080C0158
-	.4byte _080C015E
-	.4byte _080C016A
-	.4byte _080C0180
-	.4byte _080C01D4
-	.4byte _080C01E0
-	.4byte _080C01EC
-_080C014C:
-	bl sub_80C08E0
-	b _080C021A
-_080C0152:
-	bl sub_80C0904
-	b _080C021A
-_080C0158:
-	bl sub_80C0A6C
-	b _080C021A
-_080C015E:
-	bl sub_80C0238
-	lsls r0, 24
-	cmp r0, 0
-	beq _080C0228
-	b _080C021A
-_080C016A:
-	movs r0, 0x1E
-	str r0, [sp]
-	movs r0, 0x14
-	str r0, [sp, 0x4]
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	movs r3, 0
-	bl FillBgTilemapBufferRect_Palette0
-	b _080C01BA
-_080C0180:
-	ldr r4, _080C01C4 @ =gUnknown_20399D4
-	ldr r1, [r4]
-	ldr r2, _080C01C8 @ =0x0000479b
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	lsls r2, r0, 2
-	adds r2, r0
-	lsls r0, r2, 4
-	subs r0, r2
-	lsls r0, 4
-	adds r0, 0x26
-	adds r1, r0
-	movs r0, 0
-	bl sub_80C0CC8
-	movs r0, 0
-	bl CopyBgTilemapBufferToVram
-	ldr r1, [r4]
-	ldr r2, _080C01CC @ =0x00004796
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _080C021A
-	ldr r0, _080C01D0 @ =0x000012e6
-	adds r1, r0
-	movs r0, 0x1
-	bl sub_80C0CC8
-_080C01BA:
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	b _080C021A
-	.align 2, 0
-_080C01C4: .4byte gUnknown_20399D4
-_080C01C8: .4byte 0x0000479b
-_080C01CC: .4byte 0x00004796
-_080C01D0: .4byte 0x000012e6
-_080C01D4:
-	bl sub_80C0B18
-	movs r0, 0
-	bl PutWindowTilemap
-	b _080C021A
-_080C01E0:
-	bl sub_80C0BB0
-	movs r0, 0x1
-	bl PutWindowTilemap
-	b _080C021A
-_080C01EC:
-	movs r0, 0x2
-	bl sub_80C0E04
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080C021A
-	movs r0, 0x1
-	bl sub_80C0A88
-	b _080C021A
-_080C0202:
-	movs r0, 0x1
-	negs r0, r0
-	movs r1, 0
-	str r1, [sp]
-	movs r2, 0x10
-	movs r3, 0
-	bl BeginNormalPaletteFade
-	bl sub_80C03E8
-	bl sub_80C08F4
-_080C021A:
-	ldr r0, _080C0230 @ =gUnknown_20399D4
-	ldr r1, [r0]
-	ldr r2, _080C0234 @ =0x000047a4
-	adds r1, r2
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-_080C0228:
-	add sp, 0x8
-	pop {r4}
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C0230: .4byte gUnknown_20399D4
-_080C0234: .4byte 0x000047a4
-	thumb_func_end sub_80C0100
-
-	thumb_func_start sub_80C0238
-sub_80C0238: @ 80C0238
-	push {r4,lr}
-	sub sp, 0x4
-	ldr r0, _080C0258 @ =gUnknown_20399D4
-	ldr r1, [r0]
-	ldr r2, _080C025C @ =0x000047a8
-	adds r0, r1, r2
-	ldrb r0, [r0]
-	cmp r0, 0x8
-	bls _080C024C
-	b _080C03B0
-_080C024C:
-	lsls r0, 2
-	ldr r1, _080C0260 @ =_080C0264
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.align 2, 0
-_080C0258: .4byte gUnknown_20399D4
-_080C025C: .4byte 0x000047a8
-_080C0260: .4byte _080C0264
-	.align 2, 0
-_080C0264:
-	.4byte _080C0288
-	.4byte _080C0298
-	.4byte _080C02FC
-	.4byte _080C0302
-	.4byte _080C0340
-	.4byte _080C034E
-	.4byte _080C0364
-	.4byte _080C037C
-	.4byte _080C0394
-_080C0288:
-	ldr r0, _080C0294 @ =gUnknown_83EF23C
-	movs r1, 0xC0
-	movs r2, 0x20
-	bl LoadPalette
-	b _080C03C8
-	.align 2, 0
-_080C0294: .4byte gUnknown_83EF23C
-_080C0298:
-	ldr r0, _080C02EC @ =gUnknown_83EF2DC
-	movs r1, 0
-	movs r2, 0xA0
-	bl LoadPalette
-	bl sub_80BFEA0
-	ldr r0, _080C02F0 @ =gUnknown_20399D4
-	ldr r0, [r0]
-	ldr r1, _080C02F4 @ =0x00004796
-	adds r0, r1
-	ldrb r0, [r0]
-	cmp r0, 0
-	bne _080C02B6
-	b _080C03C8
-_080C02B6:
-	ldr r4, _080C02F8 @ =gUnknown_83EF23C + 0x1E
-	adds r0, r4, 0
-	movs r1, 0
-	movs r2, 0x2
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0x10
-	movs r2, 0x2
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0x20
-	movs r2, 0x2
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0x30
-	movs r2, 0x2
-	bl LoadPalette
-	adds r0, r4, 0
-	movs r1, 0x40
-	movs r2, 0x2
-	bl LoadPalette
-	b _080C03C8
-	.align 2, 0
-_080C02EC: .4byte gUnknown_83EF2DC
-_080C02F0: .4byte gUnknown_20399D4
-_080C02F4: .4byte 0x00004796
-_080C02F8: .4byte gUnknown_83EF23C + 0x1E
-_080C02FC:
-	bl ResetTempTileDataBuffers
-	b _080C03C8
-_080C0302:
-	ldr r1, _080C0330 @ =gUnknown_83EF61C
-	movs r4, 0
-	str r4, [sp]
-	movs r0, 0
-	movs r2, 0
-	movs r3, 0
-	bl DecompressAndCopyTileDataToVram
-	ldr r0, _080C0334 @ =gUnknown_20399D4
-	ldr r0, [r0]
-	ldr r2, _080C0338 @ =0x00004796
-	adds r0, r2
-	ldrb r0, [r0]
-	cmp r0, 0
-	beq _080C03C8
-	ldr r1, _080C033C @ =gUnknown_83F1978
-	str r4, [sp]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl DecompressAndCopyTileDataToVram
-	b _080C03C8
-	.align 2, 0
-_080C0330: .4byte gUnknown_83EF61C
-_080C0334: .4byte gUnknown_20399D4
-_080C0338: .4byte 0x00004796
-_080C033C: .4byte gUnknown_83F1978
-_080C0340:
-	bl FreeTempTileDataBuffersIfPossible
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080C03C8
-	b _080C03D6
-_080C034E:
-	ldr r0, _080C035C @ =gUnknown_83F089C
-	ldr r1, _080C0360 @ =gUnknown_20399D4
-	ldr r1, [r1]
-	adds r1, 0x26
-	bl LZ77UnCompWram
-	b _080C03C8
-	.align 2, 0
-_080C035C: .4byte gUnknown_83F089C
-_080C0360: .4byte gUnknown_20399D4
-_080C0364:
-	ldr r0, _080C0370 @ =gUnknown_83F0AFC
-	ldr r1, _080C0374 @ =gUnknown_20399D4
-	ldr r1, [r1]
-	ldr r2, _080C0378 @ =0x000004d6
-	b _080C039C
-	.align 2, 0
-_080C0370: .4byte gUnknown_83F0AFC
-_080C0374: .4byte gUnknown_20399D4
-_080C0378: .4byte 0x000004d6
-_080C037C:
-	ldr r0, _080C0388 @ =gUnknown_83F0C0C
-	ldr r1, _080C038C @ =gUnknown_20399D4
-	ldr r1, [r1]
-	ldr r2, _080C0390 @ =0x00000986
-	b _080C039C
-	.align 2, 0
-_080C0388: .4byte gUnknown_83F0C0C
-_080C038C: .4byte gUnknown_20399D4
-_080C0390: .4byte 0x00000986
-_080C0394:
-	ldr r0, _080C03A4 @ =gUnknown_83F0CF0
-	ldr r1, _080C03A8 @ =gUnknown_20399D4
-	ldr r1, [r1]
-	ldr r2, _080C03AC @ =0x00000e36
-_080C039C:
-	adds r1, r2
-	bl LZ77UnCompWram
-	b _080C03C8
-	.align 2, 0
-_080C03A4: .4byte gUnknown_83F0CF0
-_080C03A8: .4byte gUnknown_20399D4
-_080C03AC: .4byte 0x00000e36
-_080C03B0:
-	ldr r0, _080C03C0 @ =gUnknown_83F19A0
-	ldr r2, _080C03C4 @ =0x000012e6
-	adds r1, r2
-	bl LZ77UnCompWram
-	movs r0, 0x1
-	b _080C03D8
-	.align 2, 0
-_080C03C0: .4byte gUnknown_83F19A0
-_080C03C4: .4byte 0x000012e6
-_080C03C8:
-	ldr r0, _080C03E0 @ =gUnknown_20399D4
-	ldr r1, [r0]
-	ldr r0, _080C03E4 @ =0x000047a8
-	adds r1, r0
-	ldrb r0, [r1]
-	adds r0, 0x1
-	strb r0, [r1]
-_080C03D6:
-	movs r0, 0
-_080C03D8:
-	add sp, 0x4
-	pop {r4}
-	pop {r1}
-	bx r1
-	.align 2, 0
-_080C03E0: .4byte gUnknown_20399D4
-_080C03E4: .4byte 0x000047a8
-	thumb_func_end sub_80C0238
-
-	thumb_func_start sub_80C03E8
-sub_80C03E8: @ 80C03E8
-	push {lr}
-	ldr r0, _080C0404 @ =gUnknown_20399D4
-	ldr r0, [r0]
-	ldr r1, _080C0408 @ =0x000047b8
-	adds r0, r1
-	ldr r0, [r0]
-	movs r1, 0
-	bl CreateTask
-	ldr r0, _080C040C @ =sub_80C08B4
-	bl SetMainCallback2
-	pop {r0}
-	bx r0
-	.align 2, 0
-_080C0404: .4byte gUnknown_20399D4
-_080C0408: .4byte 0x000047b8
-_080C040C: .4byte sub_80C08B4
-	thumb_func_end sub_80C03E8
-
-	thumb_func_start sub_80C0410
-sub_80C0410: @ 80C0410
-	push {r4,r5,lr}
-	bl sub_80C0E20
-	adds r5, r0, 0
-	lsls r5, 24
-	lsrs r5, 24
-	bl sub_80C3514
-	adds r4, r0, 0
-	lsls r4, 16
-	asrs r4, 16
-	bl sub_80C3508
-	adds r3, r0, 0
-	lsls r3, 16
-	asrs r3, 16
-	adds r0, r5, 0
-	movs r1, 0
-	adds r2, r4, 0
-	bl sub_80C4164
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x63
-	beq _080C0446
-	movs r0, 0x1
-	b _080C0448
-_080C0446:
-	movs r0, 0
-_080C0448:
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_80C0410
-
-	thumb_func_start sub_80C0450
-sub_80C0450: @ 80C0450
-	push {lr}
-	bl sub_80C0410
-	cmp r0, 0
-	beq _080C04E0
-	movs r0, 0
-	bl sub_80C3AC8
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _080C0474
-	movs r0, 0
-	bl sub_80C3AC8
-	lsls r0, 24
-	cmp r0, 0
-	bne _080C048E
-_080C0474:
-	movs r0, 0x1
-	bl sub_80C3AC8
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	beq _080C0494
-	movs r0, 0x1
-	bl sub_80C3AC8
-	lsls r0, 24
-	cmp r0, 0
-	beq _080C0494
-_080C048E:
-	movs r0, 0x65
-	bl PlaySE
-_080C0494:
-	bl sub_80C3508
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x15
-	bne _080C04C2
-	bl sub_80C3514
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0xB
-	bne _080C04C2
-	movs r0, 0
-	bl sub_80C0E04
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0x1
-	bne _080C04C2
-	movs r0, 0xE1
-	bl PlaySE
-	b _080C04E0
-_080C04C2:
-	bl sub_80C3508
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0x15
-	bne _080C04E0
-	bl sub_80C3514
-	lsls r0, 16
-	lsrs r0, 16
-	cmp r0, 0xD
-	bne _080C04E0
-	movs r0, 0xE1
-	bl PlaySE
-_080C04E0:
-	pop {r0}
-	bx r0
-	thumb_func_end sub_80C0450
-
 	thumb_func_start sub_80C04E4
 sub_80C04E4: @ 80C04E4
 	push {r4,r5,lr}
diff --git a/src/region_map.c b/src/region_map.c
index 97bcd476b..e642ed2a4 100644
--- a/src/region_map.c
+++ b/src/region_map.c
@@ -5,12 +5,18 @@
 #include "overworld.h"
 #include "event_data.h"
 #include "region_map.h"
+#include "window.h"
+#include "sound.h"
+#include "new_menu_helpers.h"
 #include "constants/flags.h"
+#include "constants/songs.h"
 #include "constants/region_map.h"
 
 struct UnkStruct_20399D4
 {
-    u8 filler_0000[0x4796];
+    u8 filler_0000[0x0026];
+    u16 field_0026[5][600];
+    u8 filler_1796[0x3000];
     u8 field_4796;
     u8 field_4797[4];
     u8 field_479B;
@@ -38,12 +44,40 @@ EWRAM_DATA void * gUnknown_20399FC = NULL;
 
 static void sub_80BFFD0(void);
 void sub_80C0100(void);
+bool8 sub_80C0238(void);
+void sub_80C03E8(void);
 void sub_80C04E4(u8 taskId);
+void sub_80C08B4(void);
+void sub_80C08E0(void);
+void sub_80C08F4(void);
+void sub_80C0904(void);
+void sub_80C0A6C(void);
+void sub_80C0A88(u8 a0);
+void sub_80C0B18(void);
+void sub_80C0BB0(void);
+void sub_80C0CC8(u8 bg, u16 *map);
+bool8 sub_80C0E04(u8 a0);
+u8 sub_80C0E20(void);
+void sub_80C3008(u16 a0, u16 a1);
+u16 sub_80C3508(void);
+u16 sub_80C3514(void);
+u8 sub_80C3AC8(u8 a0);
+u8 sub_80C4164(u8 a0, u8 a1, s16 a2, s16 a3);
+void sub_80C41D8(u16 a0, u16 a1);
+void sub_80C4398(u8 a0, u8 taskId, TaskFunc taskFunc);
 void sub_80C4F08(u8 taskId);
 
 #include "data/text/map_section_names.h"
 
+extern const u16 gUnknown_83EF23C[];
 extern const u16 gUnknown_83EF2DC[];
+extern const u32 gUnknown_83EF61C[];
+extern const u32 gUnknown_83F089C[];
+extern const u32 gUnknown_83F0AFC[];
+extern const u32 gUnknown_83F0C0C[];
+extern const u32 gUnknown_83F0CF0[];
+extern const u32 gUnknown_83F1978[];
+extern const u32 gUnknown_83F19A0[];
 extern const u8 sSeviiMapsecs[3][30];
 extern const u8 gUnknown_83F1B00[3][4];
 
@@ -158,3 +192,134 @@ static void sub_80BFFD0(void)
     gUnknown_20399D4->field_479B = r7;
     gUnknown_20399D4->field_479C = r7;
 }
+
+void sub_80C0100(void)
+{
+    switch (gUnknown_20399D4->field_47A4)
+    {
+    case 0:
+        sub_80C08E0();
+        break;
+    case 1:
+        sub_80C0904();
+        break;
+    case 2:
+        sub_80C0A6C();
+        break;
+    case 3:
+        if (!sub_80C0238())
+            return;
+        break;
+    case 4:
+        FillBgTilemapBufferRect_Palette0(1, 0x000, 0, 0, 30, 20);
+        CopyBgTilemapBufferToVram(1);
+        break;
+    case 5:
+        sub_80C0CC8(0, gUnknown_20399D4->field_0026[gUnknown_20399D4->field_479B]);
+        CopyBgTilemapBufferToVram(0);
+        if (gUnknown_20399D4->field_4796 != 0)
+        {
+            sub_80C0CC8(1, gUnknown_20399D4->field_0026[4]);
+            CopyBgTilemapBufferToVram(1);
+        }
+        break;
+    case 6:
+        sub_80C0B18();
+        PutWindowTilemap(0);
+        break;
+    case 7:
+        sub_80C0BB0();
+        PutWindowTilemap(1);
+        break;
+    case 8:
+        if (sub_80C0E04(2) == TRUE)
+            sub_80C0A88(1);
+        break;
+    default:
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, RGB_BLACK);
+        sub_80C03E8();
+        sub_80C08F4();
+        break;
+    }
+    gUnknown_20399D4->field_47A4++;
+}
+
+bool8 sub_80C0238(void)
+{
+    switch (gUnknown_20399D4->field_47A8)
+    {
+    case 0:
+        LoadPalette(gUnknown_83EF23C, 0xC0, 0x20);
+        break;
+    case 1:
+        LoadPalette(gUnknown_83EF2DC, 0x00, 0xA0);
+        sub_80BFEA0();
+        if (gUnknown_20399D4->field_4796 != 0)
+        {
+            LoadPalette(&gUnknown_83EF23C[15], 0x00, 0x02);
+            LoadPalette(&gUnknown_83EF23C[15], 0x10, 0x02);
+            LoadPalette(&gUnknown_83EF23C[15], 0x20, 0x02);
+            LoadPalette(&gUnknown_83EF23C[15], 0x30, 0x02);
+            LoadPalette(&gUnknown_83EF23C[15], 0x40, 0x02);
+        }
+        break;
+    case 2:
+        ResetTempTileDataBuffers();
+        break;
+    case 3:
+        DecompressAndCopyTileDataToVram(0, gUnknown_83EF61C, 0, 0, 0);
+        if (gUnknown_20399D4->field_4796 != 0)
+        {
+            DecompressAndCopyTileDataToVram(1, gUnknown_83F1978, 0, 0, 0);
+        }
+        break;
+    case 4:
+        if (FreeTempTileDataBuffersIfPossible() == TRUE)
+            return FALSE;
+        break;
+    case 5:
+        LZ77UnCompWram(gUnknown_83F089C, gUnknown_20399D4->field_0026[0]);
+        break;
+    case 6:
+        LZ77UnCompWram(gUnknown_83F0AFC, gUnknown_20399D4->field_0026[1]);
+        break;
+    case 7:
+        LZ77UnCompWram(gUnknown_83F0C0C, gUnknown_20399D4->field_0026[2]);
+        break;
+    case 8:
+        LZ77UnCompWram(gUnknown_83F0CF0, gUnknown_20399D4->field_0026[3]);
+        break;
+    default:
+        LZ77UnCompWram(gUnknown_83F19A0, gUnknown_20399D4->field_0026[4]);
+        return TRUE;
+    }
+    gUnknown_20399D4->field_47A8++;
+    return FALSE;
+}
+
+void sub_80C03E8(void)
+{
+    CreateTask(gUnknown_20399D4->field_47B8, 0);
+    SetMainCallback2(sub_80C08B4);
+}
+
+bool32 sub_80C0410(void)
+{
+    if (sub_80C4164(sub_80C0E20(), 0, sub_80C3514(), sub_80C3508()) == 99)
+        return FALSE;
+    else
+        return TRUE;
+}
+
+void sub_80C0450(void)
+{
+    if (sub_80C0410())
+    {
+        if ((sub_80C3AC8(0) != 1 && sub_80C3AC8(0) != 0) || (sub_80C3AC8(1) != 1 && sub_80C3AC8(1) != 0))
+            PlaySE(SE_Z_SCROLL);
+        if (sub_80C3508() == 21 && sub_80C3514() == 11 && sub_80C0E04(0) == TRUE)
+            PlaySE(SE_W255);
+        else if (sub_80C3508() == 21 && sub_80C3514() == 13)
+            PlaySE(SE_W255);
+    }
+}