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-rw-r--r--src/union_room_battle.c225
1 files changed, 225 insertions, 0 deletions
diff --git a/src/union_room_battle.c b/src/union_room_battle.c
new file mode 100644
index 000000000..b75cc086d
--- /dev/null
+++ b/src/union_room_battle.c
@@ -0,0 +1,225 @@
+#include "global.h"
+#include "bg.h"
+#include "battle.h"
+#include "gpu_regs.h"
+#include "link.h"
+#include "malloc.h"
+#include "menu.h"
+#include "new_menu_helpers.h"
+#include "overworld.h"
+#include "palette.h"
+#include "party_menu.h"
+#include "strings.h"
+#include "text_window.h"
+#include "union_room.h"
+#include "window.h"
+
+struct UnkStruct_203B08C
+{
+ s16 a0;
+};
+
+static EWRAM_DATA struct UnkStruct_203B08C * gUnknown_203B08C = NULL;
+
+static const struct BgTemplate gUnknown_8457194[] = {
+ {
+ .bg = 0,
+ .charBaseIndex = 3,
+ .mapBaseIndex = 31
+ }
+};
+
+static const struct WindowTemplate gUnknown_8457198[] = {
+ {
+ .bg = 0,
+ .tilemapLeft = 2,
+ .tilemapTop = 15,
+ .width = 26,
+ .height = 4,
+ .paletteNum = 14,
+ .baseBlock = 0x014
+ }, DUMMY_WIN_TEMPLATE
+};
+
+static const u8 gUnknown_84571A8[] = {1, 2, 3};
+
+static void sub_811C04C(void)
+{
+ s32 i;
+ sub_81173C0(BATTLE_TYPE_LINK | BATTLE_TYPE_TRAINER);
+ for (i = 0; i < 2; i++)
+ {
+ gEnemyParty[i] = gPlayerParty[gSelectedOrderFromParty[i] - 1];
+ }
+ for (i = 0; i < PARTY_SIZE; i++)
+ {
+ ZeroMonData(&gPlayerParty[i]);
+ }
+ for (i = 0; i < 2; i++)
+ {
+ gPlayerParty[i] = gEnemyParty[i];
+ }
+ IncrementGameStat(GAME_STAT_NUM_UNION_ROOM_BATTLES);
+ CalculatePlayerPartyCount();
+ gTrainerBattleOpponent_A = TRAINER_OPPONENT_C00;
+ SetMainCallback2(CB2_InitBattle);
+}
+
+static void sub_811C0E0(u8 windowId, const u8 * str, u8 x, u8 y, s32 speed)
+{
+ s32 letterSpacing = 1;
+ s32 lineSpacing = 1;
+ FillWindowPixelBuffer(windowId, PIXEL_FILL(gUnknown_84571A8[0]));
+ AddTextPrinterParameterized4(windowId, 3, x, y, letterSpacing, lineSpacing, gUnknown_84571A8, speed, str);
+}
+
+static bool32 sub_811C150(s16 * state, const u8 * str, s32 speed)
+{
+ switch (*state)
+ {
+ case 0:
+ DrawTextBorderOuter(0, 0x001, 0xD);
+ sub_811C0E0(0, str, 0, 2, speed);
+ PutWindowTilemap(0);
+ CopyWindowToVram(0, 3);
+ (*state)++;
+ break;
+ case 1:
+ if (!IsTextPrinterActive(0))
+ {
+ *state = 0;
+ return TRUE;
+ }
+ break;
+ }
+ return FALSE;
+}
+
+static void sub_811C1B4(void)
+{
+ LoadOam();
+ ProcessSpriteCopyRequests();
+ TransferPlttBuffer();
+}
+
+void sub_811C1C8(void)
+{
+ switch (gMain.state)
+ {
+ case 0:
+ SetGpuReg(REG_OFFSET_DISPCNT, 0x0000);
+ gUnknown_203B08C = AllocZeroed(sizeof(struct UnkStruct_203B08C));
+ ResetSpriteData();
+ FreeAllSpritePalettes();
+ ResetTasks();
+ ResetBgsAndClearDma3BusyFlags(0);
+ InitBgsFromTemplates(0, gUnknown_8457194, 1);
+ ResetTempTileDataBuffers();
+ if (!InitWindows(gUnknown_8457198))
+ {
+ return;
+ }
+ DeactivateAllTextPrinters();
+ ClearWindowTilemap(0);
+ FillWindowPixelBuffer(0, PIXEL_FILL(0));
+ FillWindowPixelBuffer(0, PIXEL_FILL(1));
+ FillBgTilemapBufferRect(0, 0, 0, 0, 30, 20, 0xF);
+ TextWindow_SetStdFrame0_WithPal(0, 1, 0xD0);
+ Menu_LoadStdPal();
+ SetVBlankCallback(sub_811C1B4);
+ gMain.state++;
+ break;
+ case 1:
+ if (sub_811C150(&gUnknown_203B08C->a0, gText_CommStandbyAwaitingOtherPlayer, 0))
+ {
+ gMain.state++;
+ }
+ break;
+ case 2:
+ BeginNormalPaletteFade(0xFFFFFFFF, 0, 16, 0, RGB_BLACK);
+ ShowBg(0);
+ gMain.state++;
+ break;
+ case 3:
+ if (!UpdatePaletteFade())
+ {
+ memset(gBlockSendBuffer, 0, 0x20);
+ if (gSelectedOrderFromParty[0] == -gSelectedOrderFromParty[1])
+ {
+ gBlockSendBuffer[0] = 0x52;
+ }
+ else
+ {
+ gBlockSendBuffer[0] = 0x51;
+ }
+ SendBlock(0, gBlockSendBuffer, 0x20);
+ gMain.state++;
+ }
+ break;
+ case 4:
+ if (GetBlockReceivedStatus() == 3)
+ {
+ if (gBlockRecvBuffer[0][0] == 0x51 && gBlockRecvBuffer[1][0] == 0x51)
+ {
+ BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 16, RGB_BLACK);
+ gMain.state = 50;
+ }
+ else
+ {
+ sub_800AAC0();
+ if (gBlockRecvBuffer[GetMultiplayerId()][0] == 0x52)
+ {
+ gMain.state = 6;
+ }
+ else
+ {
+ gMain.state = 8;
+ }
+ }
+ ResetBlockReceivedFlags();
+ }
+ break;
+ case 50:
+ if (!UpdatePaletteFade())
+ {
+ sub_800AB9C();
+ gMain.state++;
+ }
+ break;
+ case 51:
+ if (IsLinkTaskFinished())
+ {
+ SetMainCallback2(sub_811C04C);
+ }
+ break;
+ case 6:
+ if (gReceivedRemoteLinkPlayers == 0)
+ {
+ gMain.state++;
+ }
+ break;
+ case 7:
+ if (sub_811C150(&gUnknown_203B08C->a0, gText_RefusedBattle, 1))
+ {
+ SetMainCallback2(CB2_ReturnToField);
+ }
+ break;
+ case 8:
+ if (gReceivedRemoteLinkPlayers == 0)
+ {
+ gMain.state++;
+ }
+ break;
+ case 9:
+ if (sub_811C150(&gUnknown_203B08C->a0, gText_BattleWasRefused, 1))
+ {
+ SetMainCallback2(CB2_ReturnToField);
+ }
+ break;
+ }
+ RunTasks();
+ RunTextPrinters();
+ AnimateSprites();
+ BuildOamBuffer();
+ UpdatePaletteFade();
+}