More battle factory work

2 files changed, 602 insertions, 337 deletions

diff --git a/src/battle_factory.c b/src/battle_factory.c
new file mode 100644
index 000000000..e1c955122
--- /dev/null
+++ b/src/battle_factory.c
@@ -0,0 +1,602 @@
+#include "global.h"
+#include "sprite.h"
+#include "event_data.h"
+#include "overworld.h"
+#include "random.h"
+#include "battle_tower.h"
+#include "text.h"
+#include "palette.h"
+#include "task.h"
+#include "main.h"
+#include "malloc.h"
+#include "bg.h"
+#include "gpu_regs.h"
+#include "window.h"
+#include "decompress.h"
+#include "pokemon_summary_screen.h"
+#include "sound.h"
+#include "constants/battle_frontier.h"
+#include "constants/songs.h"
+
+#define MENU_SUMMARY 0
+#define MENU_RENT 1
+#define MENU_DESELECT 1
+#define MENU_OTHERS 2
+#define MENU_OPTIONS_COUNT 3
+
+#define SELECTABLE_MONS_COUNT 6
+#define TAG_PAL_BALL_GREY 0x64
+#define TAG_PAL_BALL_SELECTED 0x65
+
+struct FactorySelecteableMon
+{
+    u16 unk0;
+    u16 spriteId;
+    u8 selectetedId; // 0 - not selected, 1 - first pokemon, 2 - second pokemon, 3 - third pokemon
+    struct Pokemon monData;
+};
+
+struct FactorySelectMonsStruct
+{
+    u8 menuCursorPos;
+    u8 menuCursor1SpriteId;
+    u8 menuCursor2SpriteId;
+    u8 cursorPos;
+    u8 cursorSpriteId;
+    u8 selectingMonsState;
+    bool8 fromSummaryScreen;
+    u8 yesNoCursorPos;
+    u8 unk8;
+    u8 unk9;
+    struct FactorySelecteableMon mons[SELECTABLE_MONS_COUNT];
+    u32 unk294;
+    u32 unk298;
+    u32 unk29C;
+    u8 unk2A0;
+    u8 unk2A1;
+    u8 unk2A2;
+    u8 unk2A3;
+    u16 unk2A4;
+    u16 unk2A6;
+    u16 unk2A8;
+    u16 unk2AA;
+};
+
+extern struct FactorySelectMonsStruct *gUnknown_0300127C;
+extern u8 gUnknown_0203CF20;
+
+// This file's functions.
+void sub_819A514(void);
+void sub_819C5D0(u16 mWin0H, u16 nWin0H, u16 mWin0V, u16 nWin0V);
+void sub_819A9AC(void);
+void sub_819AA18(void);
+void sub_819BE34(void);
+void sub_819BA64(void);
+void sub_819BCF8(void);
+void sub_819B9E8(void);
+void sub_819B9B4(void);
+void sub_819B764(void);
+void sub_819C4B4(void);
+void sub_819B8D4(void);
+void sub_819C568(void);
+void sub_819BC9C(void);
+void sub_819C69C(u8 taskId);
+void sub_819B378(u8 taskId);
+void sub_819B124(u8 taskId);
+void sub_819B484(u8 arg0);
+void sub_819B63C(u8 arg0);
+void SetBallSpritePaletteNum(u8 id);
+void sub_819F444(u32 spriteId, u8 *arg1);
+void sub_819B958(u8 arg0);
+
+// Ewram variables
+EWRAM_DATA u8 *gUnknown_0203CE2C = NULL;
+EWRAM_DATA u8 *gUnknown_0203CE30 = NULL;
+EWRAM_DATA u8 *gUnknown_0203CE34 = NULL;
+EWRAM_DATA u8 *gUnknown_0203CE38 = NULL;
+static EWRAM_DATA struct Pokemon *sFactorySelectMons = NULL;
+
+// Const rom data.
+extern const struct BgTemplate gUnknown_08610428[3];
+extern const struct WindowTemplate gUnknown_08610434[];
+extern const u8 gUnknown_0861033C[];
+extern const u8 gUnknown_0861023C[];
+extern const u16 gUnknown_0861046C[];
+extern const u16 gUnknown_0861039C[];
+extern const struct SpritePalette gUnknown_086103F4[];
+extern const struct SpriteSheet gUnknown_086103BC[];
+extern const struct CompressedSpriteSheet gUnknown_086103E4[];
+extern const struct SpriteTemplate gUnknown_086105D8;
+
+// gfx
+extern const u8 gFrontierFactorySelectMenu_Gfx[];
+extern const u8 gFrontierFactorySelectMenu_Tilemap[];
+extern const u16 gFrontierFactorySelectMenu_Pal[];
+
+// code
+void sub_819A44C(struct Sprite *sprite)
+{
+    if (sprite->oam.paletteNum == IndexOfSpritePaletteTag(TAG_PAL_BALL_SELECTED))
+    {
+        if (sprite->animEnded)
+        {
+            if (sprite->data[0] != 0)
+            {
+                sprite->data[0]--;
+            }
+            else if (Random() % 5 == 0)
+            {
+                StartSpriteAnim(sprite, 0);
+                sprite->data[0] = 32;
+            }
+            else
+            {
+                StartSpriteAnim(sprite, 1);
+            }
+        }
+        else
+        {
+            StartSpriteAnimIfDifferent(sprite, 1);
+        }
+    }
+    else
+    {
+        StartSpriteAnimIfDifferent(sprite, 0);
+    }
+}
+
+void sub_819A4C8(void)
+{
+    AnimateSprites();
+    BuildOamBuffer();
+    RunTextPrinters();
+    UpdatePaletteFade();
+    RunTasks();
+}
+
+void sub_819A4E4(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_819A4F8(void)
+{
+    gUnknown_0300127C = NULL;
+    SetMainCallback2(sub_819A514);
+}
+
+void sub_819A514(void)
+{
+    u8 taskId;
+
+    switch (gMain.state)
+    {
+    case 0:
+        if (sFactorySelectMons != NULL)
+            FREE_AND_SET_NULL(sFactorySelectMons);
+        SetHBlankCallback(NULL);
+        SetVBlankCallback(NULL);
+        CpuFill32(0, (void *)VRAM, VRAM_SIZE);
+        ResetBgsAndClearDma3BusyFlags(0);
+        InitBgsFromTemplates(0, gUnknown_08610428, ARRAY_COUNT(gUnknown_08610428));
+        InitWindows(gUnknown_08610434);
+        DeactivateAllTextPrinters();
+        gMain.state++;
+        break;
+    case 1:
+        gUnknown_0203CE2C = Alloc(0x440);
+        gUnknown_0203CE30 = AllocZeroed(0x440);
+        gUnknown_0203CE34 = Alloc(0x800);
+        gUnknown_0203CE38 = AllocZeroed(0x800);
+        ChangeBgX(0, 0, 0);
+        ChangeBgY(0, 0, 0);
+        ChangeBgX(1, 0, 0);
+        ChangeBgY(1, 0, 0);
+        ChangeBgX(3, 0, 0);
+        ChangeBgY(3, 0, 0);
+        SetGpuReg(REG_OFFSET_BLDCNT, 0);
+        SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+        SetGpuReg(REG_OFFSET_BLDY, 0);
+        SetGpuReg(REG_OFFSET_MOSAIC, 0);
+        SetGpuReg(REG_OFFSET_WIN0H, 0);
+        SetGpuReg(REG_OFFSET_WIN0V, 0);
+        SetGpuReg(REG_OFFSET_WIN1H, 0);
+        SetGpuReg(REG_OFFSET_WIN1V, 0);
+        SetGpuReg(REG_OFFSET_WININ, 0);
+        SetGpuReg(REG_OFFSET_WINOUT, 0);
+        gMain.state++;
+        break;
+    case 2:
+        ResetPaletteFade();
+        ResetSpriteData();
+        ResetTasks();
+        FreeAllSpritePalettes();
+        CpuCopy16(gFrontierFactorySelectMenu_Gfx, gUnknown_0203CE2C, 0x440);
+        CpuCopy16(gUnknown_0861033C, gUnknown_0203CE30, 0x60);
+        LoadBgTiles(1, gUnknown_0203CE2C, 0x440, 0);
+        LoadBgTiles(3, gUnknown_0203CE30, 0x60, 0);
+        CpuCopy16(gFrontierFactorySelectMenu_Tilemap, gUnknown_0203CE34, 0x800);
+        LoadBgTilemap(1, gUnknown_0203CE34, 0x800, 0);
+        LoadPalette(gFrontierFactorySelectMenu_Pal, 0, 0x40);
+        LoadPalette(gUnknown_0861046C, 0xF0, 8);
+        LoadPalette(gUnknown_0861046C, 0xE0, 10);
+        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
+            gPlttBufferUnfaded[228] = gUnknown_0300127C->unk2A4;
+        LoadPalette(gUnknown_0861039C, 0x20, 4);
+        gMain.state++;
+        break;
+    case 3:
+        SetBgTilemapBuffer(3, gUnknown_0203CE38);
+        CopyToBgTilemapBufferRect(3, gUnknown_0861023C, 11, 4, 8, 8);
+        CopyToBgTilemapBufferRect(3, gUnknown_0861023C,  2, 4, 8, 8);
+        CopyToBgTilemapBufferRect(3, gUnknown_0861023C, 20, 4, 8, 8);
+        CopyBgTilemapBufferToVram(3);
+        gMain.state++;
+        break;
+    case 4:
+        LoadSpritePalettes(gUnknown_086103F4);
+        LoadSpriteSheets(gUnknown_086103BC);
+        LoadCompressedObjectPic(gUnknown_086103E4);
+        ShowBg(0);
+        ShowBg(1);
+        SetVBlankCallback(sub_819A4E4);
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10, 0, 0);
+        SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_BG0_ON | DISPCNT_BG1_ON | DISPCNT_OBJ_1D_MAP);
+        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
+        {
+            sub_819C5D0(88, 152, 32, 96);
+            ShowBg(3);
+            SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG3 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_OBJ);
+            SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(11, 4));
+        }
+        else
+        {
+            HideBg(3);
+        }
+        gMain.state++;
+        break;
+    case 5:
+        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
+            gUnknown_0300127C->cursorPos = gUnknown_0203CF20;
+        sub_819A9AC();
+        sub_819AA18();
+        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
+            sub_819BE34();
+        gMain.state++;
+        break;
+    case 6:
+        sub_819BA64();
+        PutWindowTilemap(2);
+        gMain.state++;
+        break;
+    case 7:
+        sub_819BCF8();
+        PutWindowTilemap(5);
+        gMain.state++;
+        break;
+    case 8:
+        sub_819B9E8();
+        PutWindowTilemap(1);
+        gMain.state++;
+        break;
+    case 9:
+        sub_819B9B4();
+        PutWindowTilemap(0);
+        gMain.state++;
+        break;
+    case 10:
+        gUnknown_0300127C->unk2A1 = CreateTask(sub_819C69C, 0);
+        if (!gUnknown_0300127C->fromSummaryScreen)
+        {
+            gTasks[gUnknown_0300127C->unk2A1].data[0] = 0;
+            taskId = CreateTask(sub_819B378, 0);
+            gTasks[taskId].data[0] = 0;
+        }
+        else
+        {
+            gTasks[gUnknown_0300127C->unk2A1].data[0] = 1;
+            gUnknown_0300127C->unk2A2 = 0;
+            taskId = CreateTask(sub_819B124, 0);
+            gTasks[taskId].data[0] = 13;
+        }
+        SetMainCallback2(sub_819A4C8);
+        break;
+    }
+}
+
+void sub_819A9AC(void)
+{
+    u8 i;
+
+    if (gUnknown_0300127C != NULL)
+        return;
+
+    gUnknown_0300127C = AllocZeroed(sizeof(*gUnknown_0300127C));
+    gUnknown_0300127C->cursorPos = 0;
+    gUnknown_0300127C->selectingMonsState = 1;
+    gUnknown_0300127C->fromSummaryScreen = FALSE;
+    for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
+        gUnknown_0300127C->mons[i].selectetedId = 0;
+
+    if (gSaveBlock2Ptr->frontier.lvlMode != FRONTIER_LVL_TENT)
+        sub_819B484(0);
+    else
+        sub_819B63C(0);
+}
+
+extern const struct SpriteTemplate gUnknown_086105F0;
+extern const struct SpriteTemplate gUnknown_08610608;
+extern const struct SpriteTemplate gUnknown_08610620;
+
+void sub_819AA18(void)
+{
+    u8 i, cursorPos;
+    s16 x;
+
+    for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
+    {
+        gUnknown_0300127C->mons[i].spriteId = CreateSprite(&gUnknown_086105D8, (35 * i) + 32, 64, 1);
+        gSprites[gUnknown_0300127C->mons[i].spriteId].data[0] = 0;
+        SetBallSpritePaletteNum(i);
+    }
+    cursorPos = gUnknown_0300127C->cursorPos;
+    x = gSprites[gUnknown_0300127C->mons[cursorPos].spriteId].pos1.x;
+    gUnknown_0300127C->cursorSpriteId = CreateSprite(&gUnknown_086105F0, x, 88, 0);
+    gUnknown_0300127C->menuCursor1SpriteId = CreateSprite(&gUnknown_08610608, 176, 112, 0);
+    gUnknown_0300127C->menuCursor2SpriteId = CreateSprite(&gUnknown_08610620, 176, 144, 0);
+
+    gSprites[gUnknown_0300127C->menuCursor1SpriteId].invisible = 1;
+    gSprites[gUnknown_0300127C->menuCursor2SpriteId].invisible = 1;
+
+    gSprites[gUnknown_0300127C->menuCursor1SpriteId].centerToCornerVecX = 0;
+    gSprites[gUnknown_0300127C->menuCursor1SpriteId].centerToCornerVecY = 0;
+    gSprites[gUnknown_0300127C->menuCursor2SpriteId].centerToCornerVecX = 0;
+    gSprites[gUnknown_0300127C->menuCursor2SpriteId].centerToCornerVecY = 0;
+}
+
+void sub_819AB40(void)
+{
+    u8 i;
+
+    for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
+        DestroySprite(&gSprites[gUnknown_0300127C->mons[i].spriteId]);
+
+    DestroySprite(&gSprites[gUnknown_0300127C->cursorSpriteId]);
+    DestroySprite(&gSprites[gUnknown_0300127C->menuCursor1SpriteId]);
+    DestroySprite(&gSprites[gUnknown_0300127C->menuCursor2SpriteId]);
+}
+
+void UpdateBallCursorPosition(s8 direction)
+{
+    u8 cursorPos;
+    if (direction > 0) // Move cursor right.
+    {
+        if (gUnknown_0300127C->cursorPos != SELECTABLE_MONS_COUNT - 1)
+            gUnknown_0300127C->cursorPos++;
+        else
+            gUnknown_0300127C->cursorPos = 0;
+    }
+    else // Move cursor left.
+    {
+        if (gUnknown_0300127C->cursorPos != 0)
+            gUnknown_0300127C->cursorPos--;
+        else
+            gUnknown_0300127C->cursorPos = SELECTABLE_MONS_COUNT - 1;
+    }
+
+    cursorPos = gUnknown_0300127C->cursorPos;
+    gSprites[gUnknown_0300127C->cursorSpriteId].pos1.x = gSprites[gUnknown_0300127C->mons[cursorPos].spriteId].pos1.x;
+}
+
+void UpdateMenuCursorPosition(s8 direction)
+{
+    if (direction > 0) // Move cursor down.
+    {
+        if (gUnknown_0300127C->menuCursorPos != MENU_OPTIONS_COUNT - 1)
+            gUnknown_0300127C->menuCursorPos++;
+        else
+            gUnknown_0300127C->menuCursorPos = 0;
+    }
+    else // Move cursor up.
+    {
+        if (gUnknown_0300127C->menuCursorPos != 0)
+            gUnknown_0300127C->menuCursorPos--;
+        else
+            gUnknown_0300127C->menuCursorPos = MENU_OPTIONS_COUNT - 1;
+    }
+
+    gSprites[gUnknown_0300127C->menuCursor1SpriteId].pos1.y = (gUnknown_0300127C->menuCursorPos * 16) + 112;
+    gSprites[gUnknown_0300127C->menuCursor2SpriteId].pos1.y = (gUnknown_0300127C->menuCursorPos * 16) + 112;
+}
+
+void UpdateYesNoCursorPosition(s8 direction)
+{
+    if (direction > 0) // Move cursor down.
+    {
+        if (gUnknown_0300127C->yesNoCursorPos != 1)
+            gUnknown_0300127C->yesNoCursorPos++;
+        else
+            gUnknown_0300127C->yesNoCursorPos = 0;
+    }
+    else // Move cursor up.
+    {
+        if (gUnknown_0300127C->yesNoCursorPos != 0)
+            gUnknown_0300127C->yesNoCursorPos--;
+        else
+            gUnknown_0300127C->yesNoCursorPos = 1;
+    }
+
+    gSprites[gUnknown_0300127C->menuCursor1SpriteId].pos1.y = (gUnknown_0300127C->yesNoCursorPos * 16) + 112;
+    gSprites[gUnknown_0300127C->menuCursor2SpriteId].pos1.y = (gUnknown_0300127C->yesNoCursorPos * 16) + 112;
+}
+
+void HandleMonSelectionChange(void)
+{
+    u8 i, paletteNum;
+    u8 cursorPos = gUnknown_0300127C->cursorPos;
+    if (gUnknown_0300127C->mons[cursorPos].selectetedId) // Deselect a mon.
+    {
+        paletteNum = IndexOfSpritePaletteTag(TAG_PAL_BALL_GREY);
+        if (gUnknown_0300127C->selectingMonsState == 3 && gUnknown_0300127C->mons[cursorPos].selectetedId == 1)
+        {
+            for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
+            {
+                if (gUnknown_0300127C->mons[i].selectetedId == 2)
+                    break;
+            }
+            if (i == SELECTABLE_MONS_COUNT)
+                return;
+            else
+                gUnknown_0300127C->mons[i].selectetedId = 1;
+        }
+        gUnknown_0300127C->mons[cursorPos].selectetedId = 0;
+        gUnknown_0300127C->selectingMonsState--;
+    }
+    else // Select a mon.
+    {
+        paletteNum = IndexOfSpritePaletteTag(TAG_PAL_BALL_SELECTED);
+        gUnknown_0300127C->mons[cursorPos].selectetedId = gUnknown_0300127C->selectingMonsState;
+        gUnknown_0300127C->selectingMonsState++;
+    }
+
+    gSprites[gUnknown_0300127C->mons[cursorPos].spriteId].oam.paletteNum = paletteNum;
+}
+
+void SetBallSpritePaletteNum(u8 id)
+{
+    u8 palNum;
+
+    if (gUnknown_0300127C->mons[id].selectetedId)
+        palNum = IndexOfSpritePaletteTag(TAG_PAL_BALL_SELECTED);
+    else
+        palNum = IndexOfSpritePaletteTag(TAG_PAL_BALL_GREY);
+
+    gSprites[gUnknown_0300127C->mons[id].spriteId].oam.paletteNum = palNum;
+}
+
+void Task_FromSelectScreenToSummaryScreen(u8 taskId)
+{
+    u8 i;
+    u8 currMonId;
+
+    switch (gTasks[taskId].data[0])
+    {
+    case 6:
+        gPlttBufferUnfaded[228] = gPlttBufferFaded[228];
+        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 0x10, 0);
+        gTasks[taskId].data[0] = 7;
+        break;
+    case 7:
+        if (!gPaletteFade.active)
+        {
+            DestroyTask(gUnknown_0300127C->unk2A1);
+            sub_819F444(gUnknown_0300127C->unk298, &gUnknown_0300127C->unk2A0);
+            sub_819AB40();
+            FREE_AND_SET_NULL(gUnknown_0203CE2C);
+            FREE_AND_SET_NULL(gUnknown_0203CE30);
+            FREE_AND_SET_NULL(gUnknown_0203CE34);
+            FREE_AND_SET_NULL(gUnknown_0203CE38);
+            FreeAllWindowBuffers();
+            gTasks[taskId].data[0] = 8;
+        }
+        break;
+    case 8:
+        gUnknown_0300127C->unk2A4 = gPlttBufferUnfaded[228];
+        DestroyTask(taskId);
+        gUnknown_0300127C->fromSummaryScreen = TRUE;
+        currMonId = gUnknown_0300127C->cursorPos;
+        sFactorySelectMons = AllocZeroed(sizeof(struct Pokemon) * SELECTABLE_MONS_COUNT);
+        for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
+            sFactorySelectMons[i] = gUnknown_0300127C->mons[i].monData;
+        ShowPokemonSummaryScreen(1, sFactorySelectMons, currMonId, SELECTABLE_MONS_COUNT - 1, sub_819A514);
+        break;
+    }
+}
+
+void Task_CloseSelectionScreen(u8 taskId)
+{
+    if (gUnknown_0300127C->unk2A0 != 1)
+    {
+        switch (gTasks[taskId].data[0])
+        {
+        case 0:
+            BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 0x10, 0);
+            gTasks[taskId].data[0]++;
+            break;
+        case 1:
+            if (!UpdatePaletteFade())
+            {
+                sub_819B764();
+                DestroyTask(gUnknown_0300127C->unk2A1);
+                sub_819AB40();
+                FREE_AND_SET_NULL(gUnknown_0203CE2C);
+                FREE_AND_SET_NULL(gUnknown_0203CE34);
+                FREE_AND_SET_NULL(gUnknown_0203CE38);
+                FREE_AND_SET_NULL(gUnknown_0300127C);
+                FreeAllWindowBuffers();
+                SetMainCallback2(CB2_ReturnToFieldContinueScript);
+                DestroyTask(taskId);
+            }
+            break;
+        }
+    }
+}
+
+void Task_HandleSelectionScreenYesNo(u8 taskId)
+{
+    if (gUnknown_0300127C->unk2A0 != 1)
+    {
+        switch (gTasks[taskId].data[0])
+        {
+        case 10:
+            sub_819C4B4();
+            gTasks[taskId].data[0] = 4;
+            break;
+        case 4:
+            sub_819B8D4();
+            gTasks[taskId].data[0] = 5;
+            break;
+        case 5:
+            if (gMain.newKeys & A_BUTTON)
+            {
+                PlaySE(SE_SELECT);
+                if (gUnknown_0300127C->yesNoCursorPos == 0)
+                {
+                    sub_819C568();
+                    gTasks[taskId].data[0] = 0;
+                    gTasks[taskId].func = Task_CloseSelectionScreen;
+                }
+                else
+                {
+                    sub_819B958(4);
+                    sub_819BC9C();
+                    gUnknown_0300127C->unk2A2 = 1;
+                    gTasks[taskId].data[0] = 1;
+                    gTasks[taskId].func = sub_819B378;
+                }
+            }
+            else if (gMain.newKeys & B_BUTTON)
+            {
+                PlaySE(SE_SELECT);
+                sub_819B958(4);
+                sub_819BC9C();
+                gUnknown_0300127C->unk2A2 = 1;
+                gTasks[taskId].data[0] = 1;
+                gTasks[taskId].func = sub_819B378;
+            }
+            else if (gMain.newAndRepeatedKeys & DPAD_UP)
+            {
+                PlaySE(SE_SELECT);
+                UpdateYesNoCursorPosition(-1);
+            }
+            else if (gMain.newAndRepeatedKeys & DPAD_DOWN)
+            {
+                PlaySE(SE_SELECT);
+                UpdateYesNoCursorPosition(1);
+            }
+            break;
+        }
+    }
+}
diff --git a/src/battle_frontier_2.c b/src/battle_frontier_2.c
deleted file mode 100644
index 958aa4692..000000000
--- a/src/battle_frontier_2.c
+++ /dev/null
@@ -1,337 +0,0 @@
-#include "global.h"
-#include "sprite.h"
-#include "event_data.h"
-#include "overworld.h"
-#include "random.h"
-#include "battle_tower.h"
-#include "text.h"
-#include "palette.h"
-#include "task.h"
-#include "main.h"
-#include "malloc.h"
-#include "bg.h"
-#include "gpu_regs.h"
-#include "window.h"
-#include "decompress.h"
-#include "constants/battle_frontier.h"
-
-#define SELECTABLE_MONS_COUNT 6
-#define TAG_PAL_BALL_GREY 0x64
-#define TAG_PAL_BALL_SELECTED 0x65
-
-struct FactorySelecteableMon
-{
-    u16 unk0;
-    u16 spriteId;
-    bool8 selected;
-    u8 filler6[0x6A - 6];
-    u8 unk6A;
-};
-
-struct UnkStructTempName
-{
-    u8 menuCursorPos;
-    u8 unk1;
-    u8 unk2;
-    u8 cursorPos;
-    u8 unk4;
-    u8 unk5;
-    bool8 fromSummaryScreen;
-    u8 unk7;
-    u8 unk8;
-    u8 unk9;
-    struct FactorySelecteableMon mons[SELECTABLE_MONS_COUNT];
-    u8 filler294[0x2a1 - 0x294];
-    u8 unk2A1;
-    u8 unk2A2;
-    u8 unk2A3;
-    u16 unk2A4;
-    u16 unk2A6;
-    u16 unk2A8;
-    u16 unk2AA;
-};
-
-extern struct UnkStructTempName *gUnknown_0300127C;
-extern u8 *gUnknown_0203CE2C;
-extern u8 *gUnknown_0203CE30;
-extern u8 *gUnknown_0203CE34;
-extern u8 *gUnknown_0203CE38;
-extern struct Pokemon *gUnknown_0203CE3C;
-extern u8 gUnknown_0203CF20;
-
-// This file's functions.
-void sub_819A514(void);
-void sub_819C5D0(u16 mWin0H, u16 nWin0H, u16 mWin0V, u16 nWin0V);
-void sub_819A9AC(void);
-void sub_819AA18(void);
-void sub_819BE34(void);
-void sub_819BA64(void);
-void sub_819BCF8(void);
-void sub_819B9E8(void);
-void sub_819B9B4(void);
-void sub_819C69C(u8 taskId);
-void sub_819B378(u8 taskId);
-void sub_819B124(u8 taskId);
-void sub_819B484(u8 arg0);
-void sub_819B63C(u8 arg0);
-void SetBallSpritePaletteNum(u8 id);
-
-// Const rom data.
-extern const struct BgTemplate gUnknown_08610428[3];
-extern const struct WindowTemplate gUnknown_08610434[];
-extern const u8 gUnknown_0861033C[];
-extern const u8 gUnknown_0861023C[];
-extern const u16 gUnknown_0861046C[];
-extern const u16 gUnknown_0861039C[];
-extern const struct SpritePalette gUnknown_086103F4[];
-extern const struct SpriteSheet gUnknown_086103BC[];
-extern const struct CompressedSpriteSheet gUnknown_086103E4[];
-extern const struct SpriteTemplate gUnknown_086105D8;
-
-// gfx
-extern const u8 gFrontierFactorySelectMenu_Gfx[];
-extern const u8 gFrontierFactorySelectMenu_Tilemap[];
-extern const u16 gFrontierFactorySelectMenu_Pal[];
-
-// code
-void sub_819A44C(struct Sprite *sprite)
-{
-    if (sprite->oam.paletteNum == IndexOfSpritePaletteTag(TAG_PAL_BALL_SELECTED))
-    {
-        if (sprite->animEnded)
-        {
-            if (sprite->data[0] != 0)
-            {
-                sprite->data[0]--;
-            }
-            else if (Random() % 5 == 0)
-            {
-                StartSpriteAnim(sprite, 0);
-                sprite->data[0] = 32;
-            }
-            else
-            {
-                StartSpriteAnim(sprite, 1);
-            }
-        }
-        else
-        {
-            StartSpriteAnimIfDifferent(sprite, 1);
-        }
-    }
-    else
-    {
-        StartSpriteAnimIfDifferent(sprite, 0);
-    }
-}
-
-void sub_819A4C8(void)
-{
-    AnimateSprites();
-    BuildOamBuffer();
-    RunTextPrinters();
-    UpdatePaletteFade();
-    RunTasks();
-}
-
-void sub_819A4E4(void)
-{
-    LoadOam();
-    ProcessSpriteCopyRequests();
-    TransferPlttBuffer();
-}
-
-void sub_819A4F8(void)
-{
-    gUnknown_0300127C = NULL;
-    SetMainCallback2(sub_819A514);
-}
-
-void sub_819A514(void)
-{
-    u8 taskId;
-
-    switch (gMain.state)
-    {
-    case 0:
-        if (gUnknown_0203CE3C != NULL)
-            FREE_AND_SET_NULL(gUnknown_0203CE3C);
-        SetHBlankCallback(NULL);
-        SetVBlankCallback(NULL);
-        CpuFill32(0, (void *)VRAM, VRAM_SIZE);
-        ResetBgsAndClearDma3BusyFlags(0);
-        InitBgsFromTemplates(0, gUnknown_08610428, ARRAY_COUNT(gUnknown_08610428));
-        InitWindows(gUnknown_08610434);
-        DeactivateAllTextPrinters();
-        gMain.state++;
-        break;
-    case 1:
-        gUnknown_0203CE2C = Alloc(0x440);
-        gUnknown_0203CE30 = AllocZeroed(0x440);
-        gUnknown_0203CE34 = Alloc(0x800);
-        gUnknown_0203CE38 = AllocZeroed(0x800);
-        ChangeBgX(0, 0, 0);
-        ChangeBgY(0, 0, 0);
-        ChangeBgX(1, 0, 0);
-        ChangeBgY(1, 0, 0);
-        ChangeBgX(3, 0, 0);
-        ChangeBgY(3, 0, 0);
-        SetGpuReg(REG_OFFSET_BLDCNT, 0);
-        SetGpuReg(REG_OFFSET_BLDALPHA, 0);
-        SetGpuReg(REG_OFFSET_BLDY, 0);
-        SetGpuReg(REG_OFFSET_MOSAIC, 0);
-        SetGpuReg(REG_OFFSET_WIN0H, 0);
-        SetGpuReg(REG_OFFSET_WIN0V, 0);
-        SetGpuReg(REG_OFFSET_WIN1H, 0);
-        SetGpuReg(REG_OFFSET_WIN1V, 0);
-        SetGpuReg(REG_OFFSET_WININ, 0);
-        SetGpuReg(REG_OFFSET_WINOUT, 0);
-        gMain.state++;
-        break;
-    case 2:
-        ResetPaletteFade();
-        ResetSpriteData();
-        ResetTasks();
-        FreeAllSpritePalettes();
-        CpuCopy16(gFrontierFactorySelectMenu_Gfx, gUnknown_0203CE2C, 0x440);
-        CpuCopy16(gUnknown_0861033C, gUnknown_0203CE30, 0x60);
-        LoadBgTiles(1, gUnknown_0203CE2C, 0x440, 0);
-        LoadBgTiles(3, gUnknown_0203CE30, 0x60, 0);
-        CpuCopy16(gFrontierFactorySelectMenu_Tilemap, gUnknown_0203CE34, 0x800);
-        LoadBgTilemap(1, gUnknown_0203CE34, 0x800, 0);
-        LoadPalette(gFrontierFactorySelectMenu_Pal, 0, 0x40);
-        LoadPalette(gUnknown_0861046C, 0xF0, 8);
-        LoadPalette(gUnknown_0861046C, 0xE0, 10);
-        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
-            gPlttBufferUnfaded[228] = gUnknown_0300127C->unk2A4;
-        LoadPalette(gUnknown_0861039C, 0x20, 4);
-        gMain.state++;
-        break;
-    case 3:
-        SetBgTilemapBuffer(3, gUnknown_0203CE38);
-        CopyToBgTilemapBufferRect(3, gUnknown_0861023C, 11, 4, 8, 8);
-        CopyToBgTilemapBufferRect(3, gUnknown_0861023C,  2, 4, 8, 8);
-        CopyToBgTilemapBufferRect(3, gUnknown_0861023C, 20, 4, 8, 8);
-        CopyBgTilemapBufferToVram(3);
-        gMain.state++;
-        break;
-    case 4:
-        LoadSpritePalettes(gUnknown_086103F4);
-        LoadSpriteSheets(gUnknown_086103BC);
-        LoadCompressedObjectPic(gUnknown_086103E4);
-        ShowBg(0);
-        ShowBg(1);
-        SetVBlankCallback(sub_819A4E4);
-        BeginNormalPaletteFade(0xFFFFFFFF, 0, 0x10, 0, 0);
-        SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_OBJ_ON | DISPCNT_BG0_ON | DISPCNT_BG1_ON | DISPCNT_OBJ_1D_MAP);
-        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
-        {
-            sub_819C5D0(88, 152, 32, 96);
-            ShowBg(3);
-            SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG3 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_OBJ);
-            SetGpuReg(REG_OFFSET_BLDALPHA, BLDALPHA_BLEND(11, 4));
-        }
-        else
-        {
-            HideBg(3);
-        }
-        gMain.state++;
-        break;
-    case 5:
-        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
-            gUnknown_0300127C->cursorPos = gUnknown_0203CF20;
-        sub_819A9AC();
-        sub_819AA18();
-        if (gUnknown_0300127C->fromSummaryScreen == TRUE)
-            sub_819BE34();
-        gMain.state++;
-        break;
-    case 6:
-        sub_819BA64();
-        PutWindowTilemap(2);
-        gMain.state++;
-        break;
-    case 7:
-        sub_819BCF8();
-        PutWindowTilemap(5);
-        gMain.state++;
-        break;
-    case 8:
-        sub_819B9E8();
-        PutWindowTilemap(1);
-        gMain.state++;
-        break;
-    case 9:
-        sub_819B9B4();
-        PutWindowTilemap(0);
-        gMain.state++;
-        break;
-    case 10:
-        gUnknown_0300127C->unk2A1 = CreateTask(sub_819C69C, 0);
-        if (!gUnknown_0300127C->fromSummaryScreen)
-        {
-            gTasks[gUnknown_0300127C->unk2A1].data[0] = 0;
-            taskId = CreateTask(sub_819B378, 0);
-            gTasks[taskId].data[0] = 0;
-        }
-        else
-        {
-            gTasks[gUnknown_0300127C->unk2A1].data[0] = 1;
-            gUnknown_0300127C->unk2A2 = 0;
-            taskId = CreateTask(sub_819B124, 0);
-            gTasks[taskId].data[0] = 13;
-        }
-        SetMainCallback2(sub_819A4C8);
-        break;
-    }
-}
-
-void sub_819A9AC(void)
-{
-    u8 i;
-
-    if (gUnknown_0300127C != NULL)
-        return;
-
-    gUnknown_0300127C = AllocZeroed(sizeof(*gUnknown_0300127C));
-    gUnknown_0300127C->cursorPos = 0;
-    gUnknown_0300127C->unk5 = 1;
-    gUnknown_0300127C->fromSummaryScreen = FALSE;
-    for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
-        gUnknown_0300127C->mons[i].selected = FALSE;
-
-    if (gSaveBlock2Ptr->frontier.lvlMode != FRONTIER_LVL_TENT)
-        sub_819B484(0);
-    else
-        sub_819B63C(0);
-}
-
-extern const struct SpriteTemplate gUnknown_086105F0;
-extern const struct SpriteTemplate gUnknown_08610608;
-extern const struct SpriteTemplate gUnknown_08610620;
-
-void sub_819AA18(void)
-{
-    u8 i, cursorPos;
-    s16 x;
-
-    for (i = 0; i < SELECTABLE_MONS_COUNT; i++)
-    {
-        gUnknown_0300127C->mons[i].spriteId = CreateSprite(&gUnknown_086105D8, (35 * i) + 32, 64, 1);
-        gSprites[gUnknown_0300127C->mons[i].spriteId].data[0] = 0;
-        SetBallSpritePaletteNum(i);
-    }
-    cursorPos = gUnknown_0300127C->cursorPos;
-    x = gSprites[gUnknown_0300127C->mons[cursorPos].spriteId].pos1.x;
-    gUnknown_0300127C->unk4 = CreateSprite(&gUnknown_086105F0, x, 88, 0);
-    gUnknown_0300127C->unk1 = CreateSprite(&gUnknown_08610608, 176, 112, 0);
-    gUnknown_0300127C->unk2 = CreateSprite(&gUnknown_08610620, 176, 144, 0);
-
-    gSprites[gUnknown_0300127C->unk1].invisible = 1;
-    gSprites[gUnknown_0300127C->unk2].invisible = 1;
-
-    gSprites[gUnknown_0300127C->unk1].centerToCornerVecX = 0;
-    gSprites[gUnknown_0300127C->unk1].centerToCornerVecY = 0;
-    gSprites[gUnknown_0300127C->unk2].centerToCornerVecX = 0;
-    gSprites[gUnknown_0300127C->unk2].centerToCornerVecY = 0;
-}