battle_bg

3 files changed, 931 insertions, 6 deletions

diff --git a/src/battle_bg.c b/src/battle_bg.c
new file mode 100644
index 000000000..affa4dfc6
--- /dev/null
+++ b/src/battle_bg.c
@@ -0,0 +1,925 @@
+#include "global.h"
+#include "gflib.h"
+#include "battle.h"
+#include "battle_bg.h"
+#include "battle_message.h"
+#include "decompress.h"
+#include "graphics.h"
+#include "link.h"
+#include "new_menu_helpers.h"
+#include "overworld.h"
+#include "text_window.h"
+#include "trig.h"
+#include "constants/maps.h"
+#include "constants/songs.h"
+#include "constants/trainer_classes.h"
+
+#define TAG_VS_LETTERS 10000
+
+static void sub_800F228(void);
+static u8 sub_800FC2C(void);
+
+static const u8 gUnknown_824829C[] = {1, 2};
+
+static const struct OamData gOamData_82482A0 = {
+    .y = 0,
+    .affineMode = ST_OAM_AFFINE_DOUBLE,
+    .objMode = ST_OAM_OBJ_NORMAL,
+    .mosaic = FALSE,
+    .bpp = ST_OAM_4BPP,
+    .shape = SPRITE_SHAPE(64x64),
+    .x = 0,
+    .matrixNum = 0,
+    .size = SPRITE_SIZE(64x64),
+    .tileNum = 0x000,
+    .priority = 0,
+    .paletteNum = 0,
+    .affineParam = 0
+};
+
+static const struct OamData gOamData_82482A8 = {
+    .y = 0,
+    .affineMode = ST_OAM_AFFINE_DOUBLE,
+    .objMode = ST_OAM_OBJ_NORMAL,
+    .mosaic = FALSE,
+    .bpp = ST_OAM_4BPP,
+    .shape = SPRITE_SHAPE(64x64),
+    .x = 0,
+    .matrixNum = 0,
+    .size = SPRITE_SIZE(64x64),
+    .tileNum = 0x040,
+    .priority = 0,
+    .paletteNum = 0,
+    .affineParam = 0
+};
+
+static const union AffineAnimCmd gUnknown_82482B0[] = {
+    AFFINEANIMCMD_FRAME(0x80, 0x80, 0, 0),
+    AFFINEANIMCMD_END
+};
+
+static const union AffineAnimCmd gUnknown_82482C0[] = {
+    AFFINEANIMCMD_FRAME(0x80, 0x80, 0, 0),
+    AFFINEANIMCMD_FRAME(0x18, 0x18, 0x0, 0x80),
+    AFFINEANIMCMD_FRAME(0x18, 0x18, 0x0, 0x80),
+    AFFINEANIMCMD_END
+};
+
+static const union AffineAnimCmd *const gAffineAnimTable_82482E0[] = {
+    gUnknown_82482B0,
+    gUnknown_82482C0
+};
+
+static const struct SpriteTemplate sVsLetter_V_SpriteTemplate = {
+    .tileTag = TAG_VS_LETTERS,
+    .paletteTag = TAG_VS_LETTERS,
+    .oam = &gOamData_82482A0,
+    .anims = gDummySpriteAnimTable,
+    .affineAnims = gAffineAnimTable_82482E0,
+    .callback = nullsub_9
+};
+
+static const struct SpriteTemplate sVsLetter_S_SpriteTemplate = {
+    .tileTag = TAG_VS_LETTERS,
+    .paletteTag = TAG_VS_LETTERS,
+    .oam = &gOamData_82482A8,
+    .anims = gDummySpriteAnimTable,
+    .affineAnims = gAffineAnimTable_82482E0,
+    .callback = nullsub_9
+};
+
+static const struct CompressedSpriteSheet sVsLettersSpriteSheet = {
+    gFile_graphics_battle_transitions_vs_sheet,
+    0x1000,
+    TAG_VS_LETTERS
+};
+
+const struct BgTemplate gBattleBgTemplates[4] = {
+    {
+        .bg = 0,
+        .charBaseIndex = 0,
+        .mapBaseIndex = 24,
+        .screenSize = 2,
+        .paletteMode = 0,
+        .priority = 0,
+        .baseTile = 0x000
+    }, {
+        .bg = 1,
+        .charBaseIndex = 1,
+        .mapBaseIndex = 28,
+        .screenSize = 2,
+        .paletteMode = 0,
+        .priority = 0,
+        .baseTile = 0x000
+    }, {
+        .bg = 2,
+        .charBaseIndex = 1,
+        .mapBaseIndex = 30,
+        .screenSize = 1,
+        .paletteMode = 0,
+        .priority = 1,
+        .baseTile = 0x000
+    }, {
+        .bg = 3,
+        .charBaseIndex = 2,
+        .mapBaseIndex = 26,
+        .screenSize = 1,
+        .paletteMode = 0,
+        .priority = 3,
+        .baseTile = 0x000
+    }
+};
+
+static const struct WindowTemplate gUnknown_8248330[] = {
+    {
+        .bg = 0,
+        .tilemapLeft = 1,
+        .tilemapTop = 15,
+        .width = 28,
+        .height = 4,
+        .paletteNum = 0,
+        .baseBlock = 0x090
+    }, {
+        .bg = 0,
+        .tilemapLeft = 1,
+        .tilemapTop = 35,
+        .width = 14,
+        .height = 4,
+        .paletteNum = 0,
+        .baseBlock = 0x1c0
+    }, {
+        .bg = 0,
+        .tilemapLeft = 17,
+        .tilemapTop = 35,
+        .width = 12,
+        .height = 4,
+        .paletteNum = 5,
+        .baseBlock = 0x190
+    }, {
+        .bg = 0,
+        .tilemapLeft = 2,
+        .tilemapTop = 55,
+        .width = 8,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x300
+    }, {
+        .bg = 0,
+        .tilemapLeft = 11,
+        .tilemapTop = 55,
+        .width = 8,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x310
+    }, {
+        .bg = 0,
+        .tilemapLeft = 2,
+        .tilemapTop = 57,
+        .width = 8,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x320
+    }, {
+        .bg = 0,
+        .tilemapLeft = 11,
+        .tilemapTop = 57,
+        .width = 8,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x330
+    }, {
+        .bg = 0,
+        .tilemapLeft = 21,
+        .tilemapTop = 55,
+        .width = 3,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x290
+    }, {
+        .bg = 0,
+        .tilemapLeft = 21,
+        .tilemapTop = 57,
+        .width = 8,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x296
+    }, {
+        .bg = 0,
+        .tilemapLeft = 24,
+        .tilemapTop = 55,
+        .width = 5,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x2a6
+    }, {
+        .bg = 0,
+        .tilemapLeft = 25,
+        .tilemapTop = 57,
+        .width = 0,
+        .height = 0,
+        .paletteNum = 5,
+        .baseBlock = 0x2b0
+    }, {
+        .bg = 0,
+        .tilemapLeft = 21,
+        .tilemapTop = 55,
+        .width = 8,
+        .height = 4,
+        .paletteNum = 5,
+        .baseBlock = 0x2b0
+    }, {
+        .bg = 1,
+        .tilemapLeft = 19,
+        .tilemapTop = 8,
+        .width = 10,
+        .height = 11,
+        .paletteNum = 5,
+        .baseBlock = 0x100
+    }, {
+        .bg = 2,
+        .tilemapLeft = 18,
+        .tilemapTop = 0,
+        .width = 12,
+        .height = 3,
+        .paletteNum = 6,
+        .baseBlock = 0x16e
+    }, {
+        .bg = 0,
+        .tilemapLeft = 25,
+        .tilemapTop = 9,
+        .width = 4,
+        .height = 4,
+        .paletteNum = 5,
+        .baseBlock = 0x100
+    }, {
+        .bg = 1,
+        .tilemapLeft = 2,
+        .tilemapTop = 3,
+        .width = 7,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x020
+    }, {
+        .bg = 2,
+        .tilemapLeft = 2,
+        .tilemapTop = 3,
+        .width = 7,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x040
+    }, {
+        .bg = 1,
+        .tilemapLeft = 2,
+        .tilemapTop = 2,
+        .width = 7,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x020
+    }, {
+        .bg = 2,
+        .tilemapLeft = 2,
+        .tilemapTop = 2,
+        .width = 7,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x040
+    }, {
+        .bg = 1,
+        .tilemapLeft = 2,
+        .tilemapTop = 6,
+        .width = 7,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x060
+    }, {
+        .bg = 2,
+        .tilemapLeft = 2,
+        .tilemapTop = 6,
+        .width = 7,
+        .height = 2,
+        .paletteNum = 5,
+        .baseBlock = 0x080
+    }, {
+        .bg = 0,
+        .tilemapLeft = 11,
+        .tilemapTop = 2,
+        .width = 8,
+        .height = 2,
+        .paletteNum = 0,
+        .baseBlock = 0x0a0
+    }, {
+        .bg = 0,
+        .tilemapLeft = 4,
+        .tilemapTop = 2,
+        .width = 8,
+        .height = 2,
+        .paletteNum = 0,
+        .baseBlock = 0x0a0
+    }, {
+        .bg = 0,
+        .tilemapLeft = 19,
+        .tilemapTop = 2,
+        .width = 8,
+        .height = 2,
+        .paletteNum = 0,
+        .baseBlock = 0x0b0
+    }, {
+        .bg = 0,
+        .tilemapLeft = 2,
+        .tilemapTop = 15,
+        .width = 26,
+        .height = 4,
+        .paletteNum = 7,
+        .baseBlock = 0x090
+    }, DUMMY_WIN_TEMPLATE
+};
+
+static const u32 gUnknown_8248400[] = INCBIN_U32("graphics/battle/unk_8248400.gbapal.lz");
+static const u32 gUnknown_824844C[] = INCBIN_U32("graphics/battle/unk_824844C.4bpp.lz");
+static const u32 gUnknown_82489A8[] = INCBIN_U32("graphics/battle/unk_82489A8.bin.lz");
+static const u32 gUnknown_8248C68[] = INCBIN_U32("graphics/battle/unk_8248C68.4bpp.lz");
+static const u32 gUnknown_8248F58[] = INCBIN_U32("graphics/battle/unk_8248F58.bin.lz");
+static const u32 gUnknown_8249074[] = INCBIN_U32("graphics/battle/unk_8249074.gbapal.lz");
+static const u32 gUnknown_82490C4[] = INCBIN_U32("graphics/battle/unk_82490C4.4bpp.lz");
+static const u32 gUnknown_8249620[] = INCBIN_U32("graphics/battle/unk_8249620.bin.lz");
+static const u32 gUnknown_82498DC[] = INCBIN_U32("graphics/battle/unk_82498DC.4bpp.lz");
+static const u32 gUnknown_8249E10[] = INCBIN_U32("graphics/battle/unk_8249E10.bin.lz");
+static const u32 gUnknown_8249F98[] = INCBIN_U32("graphics/battle/unk_8249F98.gbapal.lz");
+static const u32 gUnknown_8249FE4[] = INCBIN_U32("graphics/battle/unk_8249FE4.4bpp.lz");
+static const u32 gUnknown_824A37C[] = INCBIN_U32("graphics/battle/unk_824A37C.bin.lz");
+static const u32 gUnknown_824A618[] = INCBIN_U32("graphics/battle/unk_824A618.4bpp.lz");
+static const u32 gUnknown_824A844[] = INCBIN_U32("graphics/battle/unk_824A844.bin.lz");
+static const u32 gUnknown_824A940[] = INCBIN_U32("graphics/battle/unk_824A940.gbapal.lz");
+static const u32 gUnknown_824A990[] = INCBIN_U32("graphics/battle/unk_824A990.4bpp.lz");
+static const u32 gUnknown_824ACD0[] = INCBIN_U32("graphics/battle/unk_824ACD0.bin.lz");
+static const u32 gUnknown_824AF70[] = INCBIN_U32("graphics/battle/unk_824AF70.4bpp.lz");
+static const u32 gUnknown_824B0DC[] = INCBIN_U32("graphics/battle/unk_824B0DC.bin.lz");
+static const u32 gUnknown_824B19C[] = INCBIN_U32("graphics/battle/unk_824B19C.gbapal.lz");
+static const u32 gUnknown_824B1EC[] = INCBIN_U32("graphics/battle/unk_824B1EC.4bpp.lz");
+static const u32 gUnknown_824B608[] = INCBIN_U32("graphics/battle/unk_824B608.bin.lz");
+static const u32 gUnknown_824B8A8[] = INCBIN_U32("graphics/battle/unk_824B8A8.4bpp.lz");
+static const u32 gUnknown_824BBE0[] = INCBIN_U32("graphics/battle/unk_824BBE0.bin.lz");
+static const u32 gUnknown_824BCE0[] = INCBIN_U32("graphics/battle/unk_824BCE0.gbapal.lz");
+static const u32 gUnknown_824BD38[] = INCBIN_U32("graphics/battle/unk_824BD38.4bpp.lz");
+static const u32 gUnknown_824C07C[] = INCBIN_U32("graphics/battle/unk_824C07C.bin.lz");
+static const u32 gUnknown_824C314[] = INCBIN_U32("graphics/battle/unk_824C314.4bpp.lz");
+static const u32 gUnknown_824C520[] = INCBIN_U32("graphics/battle/unk_824C520.bin.lz");
+static const u32 gUnknown_824C5D8[] = INCBIN_U32("graphics/battle/unk_824C5D8.gbapal.lz");
+static const u32 gUnknown_824C624[] = INCBIN_U32("graphics/battle/unk_824C624.4bpp.lz");
+static const u32 gUnknown_824C958[] = INCBIN_U32("graphics/battle/unk_824C958.bin.lz");
+static const u32 gUnknown_824CBF8[] = INCBIN_U32("graphics/battle/unk_824CBF8.4bpp.lz");
+static const u32 gUnknown_824CEC8[] = INCBIN_U32("graphics/battle/unk_824CEC8.bin.lz");
+static const u32 gUnknown_824CF98[] = INCBIN_U32("graphics/battle/unk_824CF98.gbapal.lz");
+static const u32 gUnknown_824CFEC[] = INCBIN_U32("graphics/battle/unk_824CFEC.4bpp.lz");
+static const u32 gUnknown_824D418[] = INCBIN_U32("graphics/battle/unk_824D418.bin.lz");
+static const u32 gUnknown_824D6B8[] = INCBIN_U32("graphics/battle/unk_824D6B8.4bpp.lz");
+static const u32 gUnknown_824DC98[] = INCBIN_U32("graphics/battle/unk_824DC98.bin.lz");
+static const u32 gUnknown_824DDF0[] = INCBIN_U32("graphics/battle/unk_824DDF0.gbapal.lz");
+static const u32 gUnknown_824DE34[] = INCBIN_U32("graphics/battle/unk_824DE34.4bpp.lz");
+static const u32 gUnknown_824E16C[] = INCBIN_U32("graphics/battle/unk_824E16C.bin.lz");
+static const u32 gUnknown_824E410[] = INCBIN_U32("graphics/battle/unk_824E410.4bpp.lz");
+static const u32 gUnknown_824E490[] = INCBIN_U32("graphics/battle/unk_824E490.bin.lz");
+static const u32 gUnknown_824E528[] = INCBIN_U32("graphics/battle/unk_824E528.gbapal.lz");
+static const u32 gUnknown_824E56C[] = INCBIN_U32("graphics/battle/unk_824E56C.gbapal.lz");
+static const u32 gUnknown_824E5B8[] = INCBIN_U32("graphics/battle/unk_824E5B8.gbapal.lz");
+static const u32 gUnknown_824E604[] = INCBIN_U32("graphics/battle/unk_824E604.gbapal.lz");
+static const u32 gUnknown_824E650[] = INCBIN_U32("graphics/battle/unk_824E650.gbapal.lz");
+static const u32 gUnknown_824E6A4[] = INCBIN_U32("graphics/battle/unk_824E6A4.gbapal.lz");
+static const u32 gUnknown_824E6F0[] = INCBIN_U32("graphics/battle/unk_824E6F0.gbapal.lz");
+static const u32 gUnknown_824E740[] = INCBIN_U32("graphics/battle/unk_824E740.gbapal.lz");
+static const u32 gUnknown_824E78C[] = INCBIN_U32("graphics/battle/unk_824E78C.gbapal.lz");
+static const u32 gUnknown_824E7DC[] = INCBIN_U32("graphics/battle/unk_824E7DC.gbapal.lz");
+static const u32 gUnknown_824E81C[] = INCBIN_U32("graphics/battle/unk_824E81C.gbapal.lz");
+static const u32 gUnknown_824E858[] = INCBIN_U32("graphics/battle/unk_824E858.4bpp.lz");
+static const u32 gUnknown_824EB90[] = INCBIN_U32("graphics/battle/unk_824EB90.bin.lz");
+
+static const u32 *const gUnknown_824EE34[][5] = {
+    {gUnknown_824844C, gUnknown_82489A8, gUnknown_8248C68, gUnknown_8248F58, gUnknown_8248400},
+    {gUnknown_82490C4, gUnknown_8249620, gUnknown_82498DC, gUnknown_8249E10, gUnknown_8249074},
+    {gUnknown_8249FE4, gUnknown_824A37C, gUnknown_824A618, gUnknown_824A844, gUnknown_8249F98},
+    {gUnknown_824A990, gUnknown_824ACD0, gUnknown_824AF70, gUnknown_824B0DC, gUnknown_824A940},
+    {gUnknown_824B1EC, gUnknown_824B608, gUnknown_824B8A8, gUnknown_824BBE0, gUnknown_824B19C},
+    {gUnknown_824BD38, gUnknown_824C07C, gUnknown_824C314, gUnknown_824C520, gUnknown_824BCE0},
+    {gUnknown_824C624, gUnknown_824C958, gUnknown_824CBF8, gUnknown_824CEC8, gUnknown_824C5D8},
+    {gUnknown_824CFEC, gUnknown_824D418, gUnknown_824D6B8, gUnknown_824DC98, gUnknown_824CF98},
+    {gUnknown_824DE34, gUnknown_824E16C, gUnknown_824E410, gUnknown_824E490, gUnknown_824DDF0},
+    {gUnknown_824DE34, gUnknown_824E16C, gUnknown_824E410, gUnknown_824E490, gUnknown_824E81C},
+    {gUnknown_824DE34, gUnknown_824E16C, gUnknown_824E410, gUnknown_824E490, gUnknown_824E528},
+    {gUnknown_824DE34, gUnknown_824E16C, gUnknown_824E410, gUnknown_824E490, gUnknown_824E56C},
+    {gUnknown_824DE34, gUnknown_824E16C, gUnknown_824E410, gUnknown_824E490, gUnknown_824E5B8},
+    {gUnknown_824E858, gUnknown_824EB90, gUnknown_824E410, gUnknown_824E490, gUnknown_824E604},
+    {gUnknown_824E858, gUnknown_824EB90, gUnknown_824E410, gUnknown_824E490, gUnknown_824E650},
+    {gUnknown_824E858, gUnknown_824EB90, gUnknown_824E410, gUnknown_824E490, gUnknown_824E6A4},
+    {gUnknown_824E858, gUnknown_824EB90, gUnknown_824E410, gUnknown_824E490, gUnknown_824E6F0},
+    {gUnknown_824E858, gUnknown_824EB90, gUnknown_824E410, gUnknown_824E490, gUnknown_824E740},
+    {gUnknown_824E858, gUnknown_824EB90, gUnknown_824E410, gUnknown_824E490, gUnknown_824E78C},
+    {gUnknown_824E858, gUnknown_824EB90, gUnknown_824E410, gUnknown_824E490, gUnknown_824E7DC}
+};
+
+static const struct {
+    u8 unk0;
+    u8 unk1;
+} gUnknown_824EFC4[] = {
+    {1, 11},
+    {2, 14},
+    {3, 13},
+    {4, 15},
+    {5, 16},
+    {6, 17},
+    {7, 18},
+    {8, 10}
+};
+
+UNUSED void sub_800F1E8(void)
+{
+    u8 spriteId;
+
+    ResetSpriteData();
+    spriteId = CreateSprite(&gUnknown_824EFF0, 0, 0, 0);
+    gSprites[spriteId].invisible = TRUE;
+    SetMainCallback2(sub_800F228);
+}
+
+static void sub_800F228(void)
+{
+    AnimateSprites();
+    BuildOamBuffer();
+}
+
+static u8 sub_800F238(u8 a0)
+{
+    int i;
+    for (i = 0; i < NELEMS(gUnknown_824EFC4); i++)
+    {
+        if (a0 == gUnknown_824EFC4[i].unk0)
+            return gUnknown_824EFC4[i].unk1;
+    }
+    return 9;
+}
+
+static void sub_800F260(u16 envId)
+{
+    if (envId >= NELEMS(gUnknown_824EE34))
+        envId = 9;
+    LZDecompressVram(gUnknown_824EE34[envId][0], (void *)BG_CHAR_ADDR(2));
+    LZDecompressVram(gUnknown_824EE34[envId][1], (void *)BG_SCREEN_ADDR(26));
+    LoadCompressedPalette(gUnknown_824EE34[envId][4], 0x20, 0x60);
+}
+
+static void sub_800F2AC(u16 envId)
+{
+    if (envId >= NELEMS(gUnknown_824EE34))
+        envId = 9;
+    LZDecompressVram(gUnknown_824EE34[envId][2], (void *)BG_CHAR_ADDR(1));
+    LZDecompressVram(gUnknown_824EE34[envId][3], (void *)BG_SCREEN_ADDR(28));
+}
+
+UNUSED void sub_800F2EC(u8 envId, const u32 **tilesPtr, const u32 **mapPtr, const u32 **palPtr)
+{
+    if (envId > 9)
+        envId = 9;
+    *tilesPtr = gUnknown_824EE34[envId][0];
+    *mapPtr = gUnknown_824EE34[envId][1];
+    *palPtr = gUnknown_824EE34[envId][4];
+}
+
+void sub_800F324(void)
+{
+    ResetBgsAndClearDma3BusyFlags(FALSE);
+    InitBgsFromTemplates(0, gBattleBgTemplates, NELEMS(gBattleBgTemplates));
+    InitWindows(gUnknown_8248330);
+    DeactivateAllTextPrinters();
+}
+
+void InitBattleBgsVideo(void)
+{
+    EnableInterrupts(INTR_FLAG_VBLANK | INTR_FLAG_VCOUNT | INTR_FLAG_TIMER3 | INTR_FLAG_SERIAL);
+    sub_800F324();
+    SetGpuReg(REG_OFFSET_BLDCNT, 0);
+    SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+    SetGpuReg(REG_OFFSET_BLDY, 0);
+    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0 | DISPCNT_OBJ_1D_MAP | DISPCNT_OBJ_ON | DISPCNT_WIN0_ON | DISPCNT_OBJWIN_ON);
+}
+
+void LoadBattleMenuWindowGfx(void)
+{
+    TextWindow_SetUserSelectedFrame(2, 0x012, 0x10);
+    TextWindow_SetUserSelectedFrame(2, 0x022, 0x10);
+    gPlttBufferUnfaded[0x5C] = RGB( 9,  9,  9);
+    gPlttBufferUnfaded[0x5D] = RGB( 9,  9,  9);
+    gPlttBufferUnfaded[0x5E] = RGB(31, 31, 31);
+    gPlttBufferUnfaded[0x5F] = RGB( 26,  26,  25);
+    CpuCopy16(&gPlttBufferUnfaded[0x5C], &gPlttBufferFaded[0x5C], 8);
+    if (gBattleTypeFlags & (BATTLE_TYPE_FIRST_BATTLE | BATTLE_TYPE_POKEDUDE))
+    {
+        Menu_LoadStdPalAt(0x70);
+        TextWindow_LoadResourcesStdFrame0(0, 0x030, 0x70);
+        gPlttBufferUnfaded[0x76] = RGB( 0,  0,  0);
+        CpuCopy16(&gPlttBufferUnfaded[0x76], &gPlttBufferFaded[0x76], 2);
+    }
+}
+
+void DrawMainBattleBackground(void)
+{
+    sub_800F260(sub_800FC2C());
+}
+
+void LoadBattleTextboxAndBackground(void)
+{
+    LZDecompressVram(gBattleTextboxTiles, (void *)BG_CHAR_ADDR(0));
+    CopyToBgTilemapBuffer(0, gBattleTextboxTilemap, 0, 0x000);
+    CopyBgTilemapBufferToVram(0);
+    LoadCompressedPalette(gBattleTextboxPalette, 0x00, 0x40);
+    LoadBattleMenuWindowGfx();
+    DrawMainBattleBackground();
+}
+
+static void DrawLinkBattleParticipantPokeballs(u8 taskId, u8 multiplayerId, u8 bgId, u8 destX, u8 destY)
+{
+    s32 i;
+    u16 pokeballStatuses = 0;
+    u16 tiles[6];
+
+    if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
+    {
+        if (gTasks[taskId].data[5] != 0)
+        {
+            switch (multiplayerId)
+            {
+            case 0:
+                pokeballStatuses = 0x3F & gTasks[taskId].data[3];
+                break;
+            case 1:
+                pokeballStatuses = (0xFC0 & gTasks[taskId].data[4]) >> 6;
+                break;
+            case 2:
+                pokeballStatuses = (0xFC0 & gTasks[taskId].data[3]) >> 6;
+                break;
+            case 3:
+                pokeballStatuses = 0x3F & gTasks[taskId].data[4];
+                break;
+            }
+        }
+        else
+        {
+            switch (multiplayerId)
+            {
+            case 0:
+                pokeballStatuses = 0x3F & gTasks[taskId].data[3];
+                break;
+            case 1:
+                pokeballStatuses = 0x3F & gTasks[taskId].data[4];
+                break;
+            case 2:
+                pokeballStatuses = (0xFC0 & gTasks[taskId].data[3]) >> 6;
+                break;
+            case 3:
+                pokeballStatuses = (0xFC0 & gTasks[taskId].data[4]) >> 6;
+                break;
+            }
+        }
+
+        for (i = 0; i < 3; i++)
+            tiles[i] = ((pokeballStatuses & (3 << (i * 2))) >> (i * 2)) + 0x6001;
+
+        CopyToBgTilemapBufferRect_ChangePalette(bgId, tiles, destX, destY, 3, 1, 0x11);
+        CopyBgTilemapBufferToVram(bgId);
+    }
+    else
+    {
+        if (multiplayerId == gBattleStruct->multiplayerId)
+            pokeballStatuses = gTasks[taskId].data[3];
+        else
+            pokeballStatuses = gTasks[taskId].data[4];
+
+        for (i = 0; i < 6; i++)
+            tiles[i] = ((pokeballStatuses & (3 << (i * 2))) >> (i * 2)) + 0x6001;
+
+        CopyToBgTilemapBufferRect_ChangePalette(bgId, tiles, destX, destY, 6, 1, 0x11);
+        CopyBgTilemapBufferToVram(bgId);
+    }
+}
+
+static void DrawLinkBattleVsScreenOutcomeText(void)
+{
+    if (gBattleOutcome == B_OUTCOME_DREW)
+    {
+        BattlePutTextOnWindow(gText_Draw, 0x15);
+    }
+    else if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
+    {
+        if (gBattleOutcome == B_OUTCOME_WON)
+        {
+            switch (gLinkPlayers[gBattleStruct->multiplayerId].id)
+            {
+            case 0:
+                BattlePutTextOnWindow(gText_Win, 0x16);
+                BattlePutTextOnWindow(gText_Loss, 0x17);
+                break;
+            case 1:
+                BattlePutTextOnWindow(gText_Win, 0x17);
+                BattlePutTextOnWindow(gText_Loss, 0x16);
+                break;
+            case 2:
+                BattlePutTextOnWindow(gText_Win, 0x16);
+                BattlePutTextOnWindow(gText_Loss, 0x17);
+                break;
+            case 3:
+                BattlePutTextOnWindow(gText_Win, 0x17);
+                BattlePutTextOnWindow(gText_Loss, 0x16);
+                break;
+            }
+        }
+        else
+        {
+            switch (gLinkPlayers[gBattleStruct->multiplayerId].id)
+            {
+            case 0:
+                BattlePutTextOnWindow(gText_Win, 0x17);
+                BattlePutTextOnWindow(gText_Loss, 0x16);
+                break;
+            case 1:
+                BattlePutTextOnWindow(gText_Win, 0x16);
+                BattlePutTextOnWindow(gText_Loss, 0x17);
+                break;
+            case 2:
+                BattlePutTextOnWindow(gText_Win, 0x17);
+                BattlePutTextOnWindow(gText_Loss, 0x16);
+                break;
+            case 3:
+                BattlePutTextOnWindow(gText_Win, 0x16);
+                BattlePutTextOnWindow(gText_Loss, 0x17);
+                break;
+            }
+        }
+    }
+    else if (gBattleOutcome == B_OUTCOME_WON)
+    {
+        if (gLinkPlayers[gBattleStruct->multiplayerId].id != 0)
+        {
+            BattlePutTextOnWindow(gText_Win, 0x17);
+            BattlePutTextOnWindow(gText_Loss, 0x16);
+        }
+        else
+        {
+            BattlePutTextOnWindow(gText_Win, 0x16);
+            BattlePutTextOnWindow(gText_Loss, 0x17);
+        }
+    }
+    else
+    {
+        if (gLinkPlayers[gBattleStruct->multiplayerId].id != 0)
+        {
+            BattlePutTextOnWindow(gText_Win, 0x16);
+            BattlePutTextOnWindow(gText_Loss, 0x17);
+        }
+        else
+        {
+            BattlePutTextOnWindow(gText_Win, 0x17);
+            BattlePutTextOnWindow(gText_Loss, 0x16);
+        }
+    }
+}
+
+void InitLinkBattleVsScreen(u8 taskId)
+{
+    struct LinkPlayer *linkPlayer;
+    u8 *name;
+    s32 i, palId;
+
+    switch (gTasks[taskId].data[0])
+    {
+    case 0:
+        if (gBattleTypeFlags & BATTLE_TYPE_MULTI)
+        {
+            for (i = 0; i < MAX_BATTLERS_COUNT; i++)
+            {
+                name = gLinkPlayers[i].name;
+                linkPlayer = &gLinkPlayers[i];
+
+                switch (linkPlayer->id)
+                {
+                case 0:
+                    BattlePutTextOnWindow(name, 0x11);
+                    DrawLinkBattleParticipantPokeballs(taskId, linkPlayer->id, 1, 2, 4);
+                    break;
+                case 1:
+                    BattlePutTextOnWindow(name, 0x12);
+                    DrawLinkBattleParticipantPokeballs(taskId, linkPlayer->id, 2, 2, 4);
+                    break;
+                case 2:
+                    BattlePutTextOnWindow(name, 0x13);
+                    DrawLinkBattleParticipantPokeballs(taskId, linkPlayer->id, 1, 2, 8);
+                    break;
+                case 3:
+                    BattlePutTextOnWindow(name, 0x14);
+                    DrawLinkBattleParticipantPokeballs(taskId, linkPlayer->id, 2, 2, 8);
+                    break;
+                }
+            }
+        }
+        else
+        {
+            u8 playerId = gBattleStruct->multiplayerId;
+            u8 opponentId = playerId ^ BIT_SIDE;
+            u8 opponentId_copy = opponentId;
+
+            if (gLinkPlayers[playerId].id != 0)
+                opponentId = playerId, playerId = opponentId_copy;
+
+            name = gLinkPlayers[playerId].name;
+            BattlePutTextOnWindow(name, 0xF);
+
+            name = gLinkPlayers[opponentId].name;
+            BattlePutTextOnWindow(name, 0x10);
+
+            DrawLinkBattleParticipantPokeballs(taskId, playerId, 1, 2, 7);
+            DrawLinkBattleParticipantPokeballs(taskId, opponentId, 2, 2, 7);
+        }
+        gTasks[taskId].data[0]++;
+        break;
+    case 1:
+        palId = AllocSpritePalette(TAG_VS_LETTERS);
+        gPlttBufferUnfaded[palId * 16 + 0x10F] = gPlttBufferFaded[palId * 16 + 0x10F] = 0x7FFF;
+        gBattleStruct->linkBattleVsSpriteId_V = CreateSprite(&sVsLetter_V_SpriteTemplate, 108, 80, 0);
+        gBattleStruct->linkBattleVsSpriteId_S = CreateSprite(&sVsLetter_S_SpriteTemplate, 132, 80, 0);
+        gSprites[gBattleStruct->linkBattleVsSpriteId_V].invisible = TRUE;
+        gSprites[gBattleStruct->linkBattleVsSpriteId_S].invisible = TRUE;
+        gTasks[taskId].data[0]++;
+        break;
+    case 2:
+        if (gTasks[taskId].data[5] != 0)
+        {
+            gBattle_BG1_X = -(20) - (Sin2(gTasks[taskId].data[1]) / 32);
+            gBattle_BG2_X = -(140) - (Sin2(gTasks[taskId].data[2]) / 32);
+            gBattle_BG1_Y = -36;
+            gBattle_BG2_Y = -36;
+        }
+        else
+        {
+            gBattle_BG1_X = -(20) - (Sin2(gTasks[taskId].data[1]) / 32);
+            gBattle_BG1_Y = (Cos2(gTasks[taskId].data[1]) / 32) - 164;
+            gBattle_BG2_X = -(140) - (Sin2(gTasks[taskId].data[2]) / 32);
+            gBattle_BG2_Y = (Cos2(gTasks[taskId].data[2]) / 32) - 164;
+        }
+
+        if (gTasks[taskId].data[2] != 0)
+        {
+            gTasks[taskId].data[2] -= 2;
+            gTasks[taskId].data[1] += 2;
+        }
+        else
+        {
+            if (gTasks[taskId].data[5] != 0)
+                DrawLinkBattleVsScreenOutcomeText();
+
+            PlaySE(SE_W231);
+            DestroyTask(taskId);
+            gSprites[gBattleStruct->linkBattleVsSpriteId_V].invisible = FALSE;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_S].invisible = FALSE;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_S].oam.tileNum += 0x40;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_V].data[0] = 0;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_S].data[0] = 1;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_V].data[1] = gSprites[gBattleStruct->linkBattleVsSpriteId_V].pos1.x;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_S].data[1] = gSprites[gBattleStruct->linkBattleVsSpriteId_S].pos1.x;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_V].data[2] = 0;
+            gSprites[gBattleStruct->linkBattleVsSpriteId_S].data[2] = 0;
+        }
+        break;
+    }
+}
+
+void DrawBattleEntryBackground(void)
+{
+    if (gBattleTypeFlags & BATTLE_TYPE_LINK)
+    {
+        LZDecompressVram(gFile_graphics_battle_transitions_vs_frame_sheet, (void*)(BG_CHAR_ADDR(1)));
+        LZDecompressVram(gFile_graphics_battle_transitions_vs_sheet, (void*)(VRAM + 0x10000));
+        LoadCompressedPalette(gFile_graphics_battle_transitions_vs_frame_palette, 0x60, 0x20);
+        SetBgAttribute(1, BG_ATTR_SCREENSIZE, 1);
+        SetGpuReg(REG_OFFSET_BG1CNT, 0x5C04);
+        CopyToBgTilemapBuffer(1, gFile_graphics_battle_transitions_vs_frame_tilemap, 0, 0);
+        CopyToBgTilemapBuffer(2, gFile_graphics_battle_transitions_vs_frame_tilemap, 0, 0);
+        CopyBgTilemapBufferToVram(1);
+        CopyBgTilemapBufferToVram(2);
+        SetGpuReg(REG_OFFSET_WININ, 0x36);
+        SetGpuReg(REG_OFFSET_WINOUT, 0x36);
+        gBattle_BG1_Y = 0xFF5C;
+        gBattle_BG2_Y = 0xFF5C;
+        LoadCompressedSpriteSheetUsingHeap(&sVsLettersSpriteSheet);
+    }
+    else if (gBattleTypeFlags & BATTLE_TYPE_POKEDUDE)
+    {
+        sub_800F2AC(0);
+    }
+    else if (gBattleTypeFlags & (BATTLE_TYPE_TRAINER_TOWER | BATTLE_TYPE_LINK | BATTLE_TYPE_BATTLE_TOWER | BATTLE_TYPE_EREADER_TRAINER))
+    {
+        sub_800F2AC(8);
+    }
+    else if (gBattleTypeFlags & BATTLE_TYPE_KYOGRE_GROUDON)
+    {
+        if (gGameVersion == VERSION_FIRE_RED)
+        {
+            sub_800F2AC(7);
+        }
+        else
+        {
+            sub_800F2AC(4);
+        }
+    }
+    else
+    {
+        if (gBattleTypeFlags & BATTLE_TYPE_TRAINER)
+        {
+            u8 trainerClass = gTrainers[gTrainerBattleOpponent_A].trainerClass;
+            if (trainerClass == CLASS_LEADER_2)
+            {
+                sub_800F2AC(8);
+                return;
+            }
+            else if (trainerClass == CLASS_CHAMPION_2)
+            {
+                sub_800F2AC(8);
+                return;
+            }
+        }
+
+        if (GetCurrentMapBattleScene() == MAP_BATTLE_SCENE_NORMAL)
+        {
+            sub_800F2AC(gBattleTerrain);
+        }
+        else
+        {
+            sub_800F2AC(8);
+        }
+    }
+}
+
+static u8 sub_800FC2C(void)
+{
+    u8 battleScene;
+    if (gBattleTypeFlags & (BATTLE_TYPE_TRAINER_TOWER | BATTLE_TYPE_LINK | BATTLE_TYPE_BATTLE_TOWER | BATTLE_TYPE_EREADER_TRAINER))
+    {
+        return 10;
+    }
+    else if (gBattleTypeFlags & BATTLE_TYPE_POKEDUDE)
+    {
+        gBattleTerrain = 0;
+        return 0;
+    }
+    else if (gBattleTypeFlags & BATTLE_TYPE_TRAINER)
+    {
+        if (gTrainers[gTrainerBattleOpponent_A].trainerClass == CLASS_LEADER_2)
+        {
+            return 12;
+        }
+        else if (gTrainers[gTrainerBattleOpponent_A].trainerClass == CLASS_CHAMPION_2)
+        {
+            return 19;
+        }
+    }
+    battleScene = GetCurrentMapBattleScene();
+    if (battleScene == 0)
+    {
+        return gBattleTerrain;
+    }
+    return sub_800F238(battleScene);
+}
+
+bool8 LoadChosenBattleElement(u8 caseId)
+{
+    bool8 ret = FALSE;
+    u8 battleScene;
+    switch (caseId)
+    {
+    case 0:
+        LZDecompressVram(gBattleTextboxTiles, (void *)BG_CHAR_ADDR(0));
+        break;
+    case 1:
+        CopyToBgTilemapBuffer(0, gBattleTextboxTilemap, 0, 0x000);
+        CopyBgTilemapBufferToVram(0);
+        break;
+    case 2:
+        LoadCompressedPalette(gBattleTextboxPalette, 0x00, 0x40);
+        break;
+    case 3:
+        battleScene = sub_800FC2C();
+        LZDecompressVram(gUnknown_824EE34[battleScene][0], (void *)BG_CHAR_ADDR(2));
+        // fallthrough
+    case 4:
+        battleScene = sub_800FC2C();
+        LZDecompressVram(gUnknown_824EE34[battleScene][1], (void *)BG_SCREEN_ADDR(26));
+        break;
+    case 5:
+        battleScene = sub_800FC2C();
+        LoadCompressedPalette(gUnknown_824EE34[battleScene][4], 0x20, 0x60);
+        break;
+    case 6:
+        LoadBattleMenuWindowGfx();
+        break;
+    default:
+        ret = TRUE;
+        break;
+    }
+    return ret;
+}
diff --git a/src/battle_main.c b/src/battle_main.c
index d160436ff..e7d02c673 100644
--- a/src/battle_main.c
+++ b/src/battle_main.c
@@ -975,7 +975,7 @@ static void CB2_HandleStartBattle(void)
             ResetBlockReceivedFlags();
             sub_8010414(2, playerMultiplayerId);
             SetAllPlayersBerryData();
-            taskId = CreateTask(sub_800F6FC, 0);
+            taskId = CreateTask(InitLinkBattleVsScreen, 0);
             gTasks[taskId].data[1] = 270;
             gTasks[taskId].data[2] = 90;
             gTasks[taskId].data[5] = 0;
@@ -1223,7 +1223,7 @@ static void CB2_HandleStartMultiBattle(void)
             SetAllPlayersBerryData();
             SetDeoxysStats();
             memcpy(gDecompressionBuffer, gPlayerParty, sizeof(struct Pokemon) * 3);
-            taskId = CreateTask(sub_800F6FC, 0);
+            taskId = CreateTask(InitLinkBattleVsScreen, 0);
             gTasks[taskId].data[1] = 270;
             gTasks[taskId].data[2] = 90;
             gTasks[taskId].data[5] = 0;
@@ -1781,7 +1781,7 @@ void sub_8011A1C(void)
     FreeAllSpritePalettes();
     gReservedSpritePaletteCount = 4;
     SetVBlankCallback(VBlankCB_Battle);
-    taskId = CreateTask(sub_800F6FC, 0);
+    taskId = CreateTask(InitLinkBattleVsScreen, 0);
     gTasks[taskId].data[1] = 270;
     gTasks[taskId].data[2] = 90;
     gTasks[taskId].data[5] = 1;
diff --git a/src/battle_message.c b/src/battle_message.c
index 6ec4c3f5d..7ca47e6fb 100644
--- a/src/battle_message.c
+++ b/src/battle_message.c
@@ -1271,9 +1271,9 @@ const u8 gUnknown_83FE860[] = _(" is");
 const u8 gUnknown_83FE864[] = _(" is");
 const u8 gText_BadEgg[] = _("Bad EGG");
 const u8 gUnknown_83FE870[] = _("ミツル");
-const u8 gUnknown_83FE874[] = _("{HIGHLIGHT 0}Win");
-const u8 gUnknown_83FE87B[] = _("{HIGHLIGHT 0}Loss");
-const u8 gUnknown_83FE883[] = _("{HIGHLIGHT 0}Draw");
+const u8 gText_Win[] = _("{HIGHLIGHT 0}Win");
+const u8 gText_Loss[] = _("{HIGHLIGHT 0}Loss");
+const u8 gText_Draw[] = _("{HIGHLIGHT 0}Draw");
 static const u8 sText_SpaceIs[] = _(" is");
 static const u8 sText_ApostropheS[] = _("'s");
 const u8 gUnknown_83FE892[] = _("a NORMAL move");