sub_81C9A10

3 files changed, 131 insertions, 253 deletions

diff --git a/asm/pokenav_unk_2.s b/asm/pokenav_unk_2.s
index 1f1d1c2ad..109cdfe8f 100644
--- a/asm/pokenav_unk_2.s
+++ b/asm/pokenav_unk_2.s
@@ -5,257 +5,6 @@
 
 @ File centered around AllocSubstruct(2)
 
-	thumb_func_start sub_81C9A10
-sub_81C9A10: @ 81C9A10
-	push {r4,r5,lr}
-	sub sp, 0x4
-	adds r4, r0, 0
-	movs r0, 0x2
-	bl GetSubstructPtr
-	adds r5, r0, 0
-	cmp r4, 0x9
-	bls _081C9A24
-	b _081C9C60
-_081C9A24:
-	lsls r0, r4, 2
-	ldr r1, =_081C9A34
-	adds r0, r1
-	ldr r0, [r0]
-	mov pc, r0
-	.pool
-	.align 2, 0
-_081C9A34:
-	.4byte _081C9A5C
-	.4byte _081C9AEC
-	.4byte _081C9B30
-	.4byte _081C9B88
-	.4byte _081C9B9E
-	.4byte _081C9BA4
-	.4byte _081C9BB6
-	.4byte _081C9BC0
-	.4byte _081C9C0E
-	.4byte _081C9C4C
-_081C9A5C:
-	ldr r0, =gUnknown_08620194
-	movs r1, 0x3
-	bl InitBgTemplates
-	ldr r1, =gPokenavMessageBox_Gfx
-	movs r0, 0
-	str r0, [sp]
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-	adds r1, r5, 0
-	adds r1, 0x8C
-	movs r0, 0x1
-	bl SetBgTilemapBuffer
-	ldr r1, =gPokenavMessageBox_Tilemap
-	movs r0, 0x1
-	movs r2, 0
-	movs r3, 0
-	bl CopyToBgTilemapBuffer
-	movs r0, 0x1
-	bl CopyBgTilemapBufferToVram
-	ldr r0, =gPokenavMessageBox_Pal
-	movs r1, 0x10
-	movs r2, 0x20
-	bl CopyPaletteIntoBufferUnfaded
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x2
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgX
-	movs r0, 0x3
-	movs r1, 0
-	movs r2, 0
-	bl ChangeBgY
-_081C9AD6:
-	movs r0, 0
-	b _081C9C62
-	.pool
-_081C9AEC:
-	bl free_temp_tile_data_buffers_if_possible
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0
-	beq _081C9AFA
-	b _081C9C5C
-_081C9AFA:
-	ldr r1, =gUnknown_0861FD6C
-	str r0, [sp]
-	movs r0, 0x2
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-	ldr r1, =gUnknown_0861FFF4
-	movs r0, 0x1
-	str r0, [sp]
-	movs r0, 0x2
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-	ldr r0, =gUnknown_0861FD4C
-	movs r1, 0x20
-	movs r2, 0x20
-	bl CopyPaletteIntoBufferUnfaded
-	b _081C9AD6
-	.pool
-_081C9B30:
-	bl free_temp_tile_data_buffers_if_possible
-	lsls r0, 24
-	lsrs r0, 24
-	cmp r0, 0
-	beq _081C9B3E
-	b _081C9C5C
-_081C9B3E:
-	ldr r1, =gUnknown_0861FC98
-	str r0, [sp]
-	movs r0, 0x3
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-	ldr r1, =gUnknown_0861FCAC
-	movs r0, 0x1
-	str r0, [sp]
-	movs r0, 0x3
-	movs r2, 0
-	movs r3, 0
-	bl decompress_and_copy_tile_data_to_vram
-	ldr r0, =gUnknown_0861FC78
-	movs r1, 0x30
-	movs r2, 0x20
-	bl CopyPaletteIntoBufferUnfaded
-	bl sub_81C9894
-	cmp r0, 0x3
-	beq _081C9B76
-	bl sub_81C9894
-	cmp r0, 0x4
-	bne _081C9AD6
-_081C9B76:
-	bl sub_81CA850
-	b _081C9AD6
-	.pool
-_081C9B88:
-	bl free_temp_tile_data_buffers_if_possible
-	lsls r0, 24
-	cmp r0, 0
-	bne _081C9C5C
-	bl sub_81CA6E0
-	bl sub_81CA7D4
-_081C9B9A:
-	movs r0, 0x1
-	b _081C9C62
-_081C9B9E:
-	bl sub_81C9FC4
-	b _081C9B9A
-_081C9BA4:
-	bl sub_81CA714
-	bl sub_81CA02C
-	bl sub_81CA640
-	bl sub_81CA0C8
-	b _081C9AD6
-_081C9BB6:
-	bl sub_81CA7C4
-	cmp r0, 0
-	bne _081C9C5C
-	b _081C9B9A
-_081C9BC0:
-	movs r0, 0x1
-	bl ShowBg
-	movs r0, 0x2
-	bl ShowBg
-	movs r0, 0x3
-	bl ShowBg
-	ldrb r0, [r5, 0xD]
-	cmp r0, 0
-	beq _081C9BE0
-	movs r0, 0x1
-	bl sub_81C7AC0
-	b _081C9BEC
-_081C9BE0:
-	movs r0, 0x6E
-	bl PlaySE
-	movs r0, 0x3
-	bl sub_81C7AC0
-_081C9BEC:
-	bl sub_81C9894
-	cmp r0, 0x3
-	beq _081C9BFE
-	cmp r0, 0x4
-	bne _081C9C06
-	movs r0, 0x7
-	bl LoadLeftHeaderGfxForIndex
-_081C9BFE:
-	movs r0, 0x1
-	bl LoadLeftHeaderGfxForIndex
-	b _081C9AD6
-_081C9C06:
-	movs r0, 0
-	bl LoadLeftHeaderGfxForIndex
-	b _081C9AD6
-_081C9C0E:
-	bl IsPaletteFadeActive
-	cmp r0, 0
-	bne _081C9C5C
-	bl sub_81C9894
-	cmp r0, 0x3
-	beq _081C9C2C
-	cmp r0, 0x4
-	bne _081C9C38
-	movs r0, 0x7
-	movs r1, 0
-	movs r2, 0
-	bl sub_81C7FA0
-_081C9C2C:
-	movs r0, 0x1
-	movs r1, 0
-	movs r2, 0
-	bl sub_81C7FA0
-	b _081C9C42
-_081C9C38:
-	movs r0, 0
-	movs r1, 0
-	movs r2, 0
-	bl sub_81C7FA0
-_081C9C42:
-	bl sub_81CA20C
-	bl titlescreen_0
-	b _081C9B9A
-_081C9C4C:
-	bl sub_81CA324
-	cmp r0, 0
-	bne _081C9C5C
-	bl sub_81C8010
-	cmp r0, 0
-	beq _081C9C60
-_081C9C5C:
-	movs r0, 0x2
-	b _081C9C62
-_081C9C60:
-	movs r0, 0x4
-_081C9C62:
-	add sp, 0x4
-	pop {r4,r5}
-	pop {r1}
-	bx r1
-	thumb_func_end sub_81C9A10
-
 	thumb_func_start sub_81C9C6C
 sub_81C9C6C: @ 81C9C6C
 	push {lr}
diff --git a/include/graphics.h b/include/graphics.h
index 4e558b508..9b7bc1e0e 100644
--- a/include/graphics.h
+++ b/include/graphics.h
@@ -4941,4 +4941,9 @@ extern const u16 gPokenavConditionCancel_Pal[];
 extern const u32 gUnknown_08DE34B8[];
 extern const u16 gUnknown_08DE3398[];
 
+// Pokenav
+extern const u32 gPokenavMessageBox_Gfx[];
+extern const u32 gPokenavMessageBox_Tilemap[];
+extern const u16 gPokenavMessageBox_Pal[];
+
 #endif //GUARD_GRAPHICS_H
diff --git a/src/pokenav_unk_2.c b/src/pokenav_unk_2.c
index f58d5977b..a799631c7 100644
--- a/src/pokenav_unk_2.c
+++ b/src/pokenav_unk_2.c
@@ -1,8 +1,12 @@
 #include "global.h"
 #include "alloc.h"
 #include "bg.h"
+#include "menu.h"
 #include "window.h"
 #include "pokenav.h"
+#include "graphics.h"
+#include "sound.h"
+#include "constants/songs.h"
 
 // Match Call
 
@@ -16,7 +20,8 @@ struct Pokenav2Struct
     u8 field_00b;
     u8 field_00c;
     u8 field_00d;
-    u8 filler_00e[0x87E];
+    u8 filler_00e[0x7E];
+    u8 field_08c[0x800];
 };
 
 struct Pokenav2Struct * sub_81C9958(void);
@@ -30,8 +35,20 @@ u32 sub_81C9E58(int state);
 u32 sub_81C9EC8(int state);
 u32 sub_81C9EF8(int state);
 u32 sub_81C9F28(int state);
-void sub_81CA7F4(void);
+void sub_81C9FC4(void);
 void sub_81C9FEC(void);
+void sub_81CA02C(void);
+void sub_81CA0C8(void);
+void sub_81CA20C(void);
+bool32 sub_81CA324(void);
+void sub_81CA640(void);
+void sub_81CA6E0(void);
+void sub_81CA714(void);
+bool32 sub_81CA7C4(void);
+void sub_81CA7D4(void);
+void sub_81CA7F4(void);
+void sub_81CA850(void);
+void titlescreen_0(void);
 void sub_81CA994(void);
 
 const u16 gUnknown_0861FC78[] = INCBIN_U16("graphics/pokenav/bg.gbapal");
@@ -167,3 +184,110 @@ bool32 sub_81C99FC(void)
 
     return IsLoopedTaskActive(unk->loopedTaskId);
 }
+
+u32 sub_81C9A10(int state)
+{
+    struct Pokenav2Struct * unk = GetSubstructPtr(2);
+
+    switch (state)
+    {
+    case 0:
+        InitBgTemplates(gUnknown_08620194, ARRAY_COUNT(gUnknown_08620194));
+        decompress_and_copy_tile_data_to_vram(1, gPokenavMessageBox_Gfx, 0, 0, 0);
+        SetBgTilemapBuffer(1, unk->field_08c);
+        CopyToBgTilemapBuffer(1, gPokenavMessageBox_Tilemap, 0, 0);
+        CopyBgTilemapBufferToVram(1);
+        CopyPaletteIntoBufferUnfaded(gPokenavMessageBox_Pal, 0x10, 0x20);
+        ChangeBgX(1, 0, 0);
+        ChangeBgY(1, 0, 0);
+        ChangeBgX(2, 0, 0);
+        ChangeBgY(2, 0, 0);
+        ChangeBgX(3, 0, 0);
+        ChangeBgY(3, 0, 0);
+        return 0;
+    case 1:
+        if (free_temp_tile_data_buffers_if_possible())
+            return 2;
+        decompress_and_copy_tile_data_to_vram(2, gUnknown_0861FD6C, 0, 0, 0);
+        decompress_and_copy_tile_data_to_vram(2, gUnknown_0861FFF4, 0, 0, 1);
+        CopyPaletteIntoBufferUnfaded(gUnknown_0861FD4C, 0x20, 0x20);
+        return 0;
+    case 2:
+        if (free_temp_tile_data_buffers_if_possible())
+            return 2;
+        decompress_and_copy_tile_data_to_vram(3, gUnknown_0861FC98, 0, 0, 0);
+        decompress_and_copy_tile_data_to_vram(3, gUnknown_0861FCAC, 0, 0, 1);
+        CopyPaletteIntoBufferUnfaded(gUnknown_0861FC78, 0x30, 0x20);
+        if (sub_81C9894() == 3 || sub_81C9894() == 4)
+            sub_81CA850();
+        return 0;
+    case 3:
+        if (free_temp_tile_data_buffers_if_possible())
+            return 2;
+        sub_81CA6E0();
+        sub_81CA7D4();
+        return 1;
+    case 4:
+        sub_81C9FC4();
+        return 1;
+    case 5:
+        sub_81CA714();
+        sub_81CA02C();
+        sub_81CA640();
+        sub_81CA0C8();
+        return 0;
+    case 6:
+        if (sub_81CA7C4())
+            return 2;
+        return 1;
+    case 7:
+        ShowBg(1);
+        ShowBg(2);
+        ShowBg(3);
+        if (unk->field_00d)
+            sub_81C7AC0(1);
+        else
+        {
+            PlaySE(SE_PN_ON);
+            sub_81C7AC0(3);
+        }
+        switch (sub_81C9894())
+        {
+        case 4:
+            LoadLeftHeaderGfxForIndex(7);
+            // fallthrough
+        case 3:
+            LoadLeftHeaderGfxForIndex(1);
+            break;
+        default:
+            LoadLeftHeaderGfxForIndex(0);
+            break;
+        }
+        return 0;
+    case 8:
+        if (IsPaletteFadeActive())
+            return 2;
+        switch (sub_81C9894())
+        {
+        case 4:
+            sub_81C7FA0(7, FALSE, FALSE);
+            // fallthrough
+        case 3:
+            sub_81C7FA0(1, FALSE, FALSE);
+            break;
+        default:
+            sub_81C7FA0(0, FALSE, FALSE);
+            break;
+        }
+        sub_81CA20C();
+        titlescreen_0();
+        return 1;
+    case 9:
+        if (sub_81CA324())
+            return 2;
+        if (sub_81C8010())
+            return 2;
+        break;
+    }
+    return 4;
+}