sub_81215EC

1 files changed, 152 insertions, 2 deletions

diff --git a/src/mail.c b/src/mail.c
index a21a297b6..2e859f6ea 100644
--- a/src/mail.c
+++ b/src/mail.c
@@ -2,6 +2,16 @@
 // Includes
 #include "global.h"
 #include "main.h"
+#include "rom4.h"
+#include "task.h"
+#include "unknown_task.h"
+#include "palette.h"
+#include "menu.h"
+#include "text.h"
+#include "text_window.h"
+#include "gpu_regs.h"
+#include "bg.h"
+#include "pokemon_icon.h"
 #include "species.h"
 #include "malloc.h"
 #include "easy_chat.h"
@@ -32,7 +42,7 @@ struct Unk203A134
 {
     /*0x0000*/ u8 filler_0000[0x20c];
     /*0x020C*/ MainCallback callback;
-    /*0x0210*/ u8 filler_0210[4];
+    /*0x0210*/ MainCallback callback2;
     /*0x0214*/ struct MailStruct *mail;
     /*0x0218*/ bool8 flag;
     /*0x0219*/ u8 filler_0219[1];
@@ -44,7 +54,8 @@ struct Unk203A134
     /*0x0220*/ void (*parserSingle)(u8 *dest, u16 word);
     /*0x0224*/ void (*parserMultiple)(u8 *dest, const u16 *src, u16 length1, u16 length2);
     /*0x0228*/ const struct MailLayout *layout;
-    /*0x022c*/ u8 filler_022C[0x2000];
+    /*0x022c*/ u8 bg1TilemapBuffer[0x1000];
+    /*0x122c*/ u8 bg2TilemapBuffer[0x1000];
 };
 
 struct MailGraphics
@@ -65,9 +76,17 @@ EWRAM_DATA struct Unk203A134 *gUnknown_0203A134;
 // Static ROM declarations
 
 void sub_81219F0(void);
+void sub_8121A1C(void);
+void sub_8121B1C(void);
+void sub_8121C50(void);
+void sub_8121C98(void);
 
 // .rodata
 
+extern const struct BgTemplate gUnknown_0859F290[];
+extern const struct WindowTemplate gUnknown_0859F29C;
+extern const u16 gUnknown_0859F2B0[][2];
+extern const struct MailGraphics gUnknown_0859F2B8[];
 extern const struct MailLayout gUnknown_0859F3B4[];
 extern const struct MailLayout gUnknown_0859F458[];
 
@@ -125,3 +144,134 @@ void sub_8121478(struct MailStruct *mail, MainCallback callback, bool8 flag) {
     gUnknown_0203A134->flag = flag;
     SetMainCallback2(sub_81219F0);
 }
+
+bool8 sub_81215EC(void)
+{
+    u16 icon;
+
+    switch (gMain.state)
+    {
+        case 0:
+            SetVBlankCallback(NULL);
+            remove_some_task();
+            SetGpuReg(REG_OFFSET_DISPCNT, 0x0000);
+            break;
+        case 1:
+            CpuFill16(0, (void *)OAM, OAM_SIZE);
+            break;
+        case 2:
+            ResetPaletteFade();
+            break;
+        case 3:
+            ResetTasks();
+            break;
+        case 4:
+            ResetSpriteData();
+            break;
+        case 5:
+            FreeAllSpritePalettes();
+            reset_temp_tile_data_buffers();
+            SetGpuReg(REG_OFFSET_BG0HOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG0VOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG1HOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG1VOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG2VOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG2HOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG3HOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BG3VOFS, 0x0000);
+            SetGpuReg(REG_OFFSET_BLDCNT, 0x0000);
+            SetGpuReg(REG_OFFSET_BLDALPHA, 0x0000);
+            break;
+        case 6:
+            ResetBgsAndClearDma3BusyFlags(0);
+            InitBgsFromTemplates(0, gUnknown_0859F290, 3);
+            SetBgTilemapBuffer(1, gUnknown_0203A134->bg1TilemapBuffer);
+            SetBgTilemapBuffer(2, gUnknown_0203A134->bg2TilemapBuffer);
+            break;
+        case 7:
+            InitWindows(&gUnknown_0859F29C);
+            DeactivateAllTextPrinters();
+            break;
+        case 8:
+            decompress_and_copy_tile_data_to_vram(1, gUnknown_0859F2B8[gUnknown_0203A134->mailType].tiles, 0, 0, 0);
+            break;
+        case 9:
+            if (free_temp_tile_data_buffers_if_possible())
+            {
+                return FALSE;
+            }
+            break;
+        case 10:
+            FillBgTilemapBufferRect_Palette0(0, 0, 0, 0, 30, 20);
+            FillBgTilemapBufferRect_Palette0(2, 1, 0, 0, 30, 20);
+            CopyToBgTilemapBuffer(1, gUnknown_0859F2B8[gUnknown_0203A134->mailType].tileMap, 0, 0);
+            break;
+        case 11:
+            CopyBgTilemapBufferToVram(0);
+            CopyBgTilemapBufferToVram(1);
+            CopyBgTilemapBufferToVram(2);
+            break;
+        case 12:
+            LoadPalette(sub_8098C64(), 240, 32);
+            gPlttBufferUnfaded[250] = gUnknown_0859F2B8[gUnknown_0203A134->mailType].color10;
+            gPlttBufferFaded[250] = gUnknown_0859F2B8[gUnknown_0203A134->mailType].color10;
+            gPlttBufferUnfaded[251] = gUnknown_0859F2B8[gUnknown_0203A134->mailType].color12;
+            gPlttBufferFaded[251] = gUnknown_0859F2B8[gUnknown_0203A134->mailType].color12;
+            LoadPalette(gUnknown_0859F2B8[gUnknown_0203A134->mailType].palette, 0, 32);
+            gPlttBufferUnfaded[10] = gUnknown_0859F2B0[gSaveBlock2Ptr->playerGender][0];
+            gPlttBufferFaded[10] = gUnknown_0859F2B0[gSaveBlock2Ptr->playerGender][0];
+            gPlttBufferUnfaded[11] = gUnknown_0859F2B0[gSaveBlock2Ptr->playerGender][1];
+            gPlttBufferFaded[11] = gUnknown_0859F2B0[gSaveBlock2Ptr->playerGender][1];
+            break;
+        case 13:
+            if (gUnknown_0203A134->flag)
+            {
+                sub_8121A1C();
+            }
+            break;
+        case 14:
+            if (gUnknown_0203A134->flag)
+            {
+                sub_8121B1C();
+                RunTextPrinters();
+            }
+            break;
+        case 15:
+            if (sub_8087598() == TRUE)
+            {
+                return FALSE;
+            }
+            break;
+        case 16:
+            SetVBlankCallback(sub_8121C50);
+            gPaletteFade.bufferTransferDisabled = TRUE;
+            break;
+        case 17:
+            icon = sub_80D2E84(gUnknown_0203A134->mail->species);
+            switch (gUnknown_0203A134->unk_021b)
+            {
+                case 1:
+                    sub_80D2F68(icon);
+                    gUnknown_0203A134->unk_021c = sub_80D2D78(icon, SpriteCallbackDummy, 0x60, 0x80, 0, 0);
+                    break;
+                case 2:
+                    sub_80D2F68(icon);
+                    gUnknown_0203A134->unk_021c = sub_80D2D78(icon, SpriteCallbackDummy, 0x28, 0x80, 0, 0);
+                    break;
+            }
+            break;
+        case 18:
+            SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_OBJ_1D_MAP);
+            ShowBg(0);
+            ShowBg(1);
+            ShowBg(2);
+            BeginNormalPaletteFade(-1, 0, 16, 0, 0);
+            gPaletteFade.bufferTransferDisabled = FALSE;
+            gUnknown_0203A134->callback2 = sub_8121C98;
+            return TRUE;
+        default:
+            return FALSE;
+    }
+    gMain.state ++;
+    return FALSE;
+}