fldeff_flash.c

1 files changed, 476 insertions, 0 deletions

diff --git a/src/fldeff_flash.c b/src/fldeff_flash.c
new file mode 100644
index 000000000..7f40558d9
--- /dev/null
+++ b/src/fldeff_flash.c
@@ -0,0 +1,476 @@
+#include "global.h"
+#include "gflib.h"
+#include "event_data.h"
+#include "event_scripts.h"
+#include "fldeff.h"
+#include "field_effect.h"
+#include "map_preview_screen.h"
+#include "overworld.h"
+#include "party_menu.h"
+#include "script.h"
+#include "constants/songs.h"
+
+struct FlashStruct
+{
+    u8 fromType;
+    u8 toType;
+    bool8 isEnter;
+    bool8 isExit;
+    void (*func1)(void);
+    void (*func2)(u8 mapSecId);
+};
+
+static void sub_80C9B74(void);
+static void sub_80C9BB0(void);
+static bool8 sub_80C9CE8(void);
+static void sub_80C9E1C(void);
+static void sub_80C9E30(u8 taskId);
+static void sub_80C9E4C(u8 taskId);
+static void sub_80C9EF0(u8 taskId);
+static void sub_80C9F38(u8 taskId);
+static void sub_80C9FA0(u8 taskId);
+static void sub_80C9FD4(void);
+static void sub_80C9FE8(u8 taskId);
+static void sub_80CA004(u8 taskId);
+static void sub_80CA0A4(u8 taskId);
+static void sub_80CA108(u8 taskId);
+static void sub_80CA160(u8 mapsecId);
+static void sub_80CA190(u8 taskId);
+
+static const struct FlashStruct gUnknown_83F5738[] = {
+    {
+        .fromType = 1,
+        .toType = 4,
+        .isEnter = TRUE,
+        .isExit = FALSE,
+        .func1 = sub_80C9FD4,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 2,
+        .toType = 4,
+        .isEnter = TRUE,
+        .isExit = FALSE,
+        .func1 = sub_80C9FD4,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 3,
+        .toType = 4,
+        .isEnter = TRUE,
+        .isExit = FALSE,
+        .func1 = sub_80C9FD4,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 5,
+        .toType = 4,
+        .isEnter = TRUE,
+        .isExit = FALSE,
+        .func1 = sub_80C9FD4,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 6,
+        .toType = 4,
+        .isEnter = TRUE,
+        .isExit = FALSE,
+        .func1 = sub_80C9FD4,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 7,
+        .toType = 4,
+        .isEnter = TRUE,
+        .isExit = FALSE,
+        .func1 = sub_80C9FD4,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 8,
+        .toType = 4,
+        .isEnter = TRUE,
+        .isExit = FALSE,
+        .func1 = sub_80C9FD4,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 9,
+        .toType = 4,
+        .isEnter = TRUE,
+        .isExit = FALSE,
+        .func1 = sub_80C9FD4,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 4,
+        .toType = 1,
+        .isEnter = FALSE,
+        .isExit = TRUE,
+        .func1 = sub_80C9E1C,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 4,
+        .toType = 2,
+        .isEnter = FALSE,
+        .isExit = TRUE,
+        .func1 = sub_80C9E1C,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 4,
+        .toType = 3,
+        .isEnter = FALSE,
+        .isExit = TRUE,
+        .func1 = sub_80C9E1C,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 4,
+        .toType = 5,
+        .isEnter = FALSE,
+        .isExit = TRUE,
+        .func1 = sub_80C9E1C,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 4,
+        .toType = 6,
+        .isEnter = FALSE,
+        .isExit = TRUE,
+        .func1 = sub_80C9E1C,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 4,
+        .toType = 7,
+        .isEnter = FALSE,
+        .isExit = TRUE,
+        .func1 = sub_80C9E1C,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 4,
+        .toType = 8,
+        .isEnter = FALSE,
+        .isExit = TRUE,
+        .func1 = sub_80C9E1C,
+        .func2 = sub_80CA160
+    }, {
+        .fromType = 4,
+        .toType = 9,
+        .isEnter = FALSE,
+        .isExit = TRUE,
+        .func1 = sub_80C9E1C,
+        .func2 = sub_80CA160
+    }, {0}
+};
+
+static const u16 gUnknown_83F5804[] = INCBIN_U16("graphics/field_effects/flash_white.gbapal");
+static const u16 gUnknown_83F5824[] = INCBIN_U16("graphics/field_effects/flash_black.gbapal");
+static const u16 gUnknown_83F5844[] = INCBIN_U16("graphics/field_effects/flash_gradient.gbapal");
+static const u32 gUnknown_83F5864[] = INCBIN_U32("graphics/field_effects/flash_effect_map.bin.lz");
+static const u32 gUnknown_83F5A44[] = INCBIN_U32("graphics/field_effects/flash_effect_tiles.4bpp.lz");
+
+bool8 SetUpFieldMove_Flash(void)
+{
+    if (gMapHeader.cave != TRUE)
+        return FALSE;
+
+    if (FlagGet(FLAG_SYS_FLASH_ACTIVE))
+        return FALSE;
+
+    gFieldCallback2 = FieldCallback_PrepareFadeInFromMenu;
+    gPostMenuFieldCallback = sub_80C9B74;
+    return TRUE;
+}
+
+static void sub_80C9B74(void)
+{
+    u8 taskId = CreateFieldEffectShowMon();
+    gFieldEffectArguments[0] = GetCursorSelectionMonId();
+    gTasks[taskId].data[8] = ((uintptr_t)sub_80C9BB0) >> 16;
+    gTasks[taskId].data[9] = ((uintptr_t)sub_80C9BB0);
+}
+
+static void sub_80C9BB0(void)
+{
+    PlaySE(SE_W115);
+    FlagSet(FLAG_SYS_FLASH_ACTIVE);
+    ScriptContext1_SetupScript(EventScript_FldEffFlash);
+}
+
+static void sub_80C9BD0(void)
+{
+    RunTasks();
+    AnimateSprites();
+    BuildOamBuffer();
+    UpdatePaletteFade();
+}
+
+static void sub_80C9BE8(void)
+{
+    LoadOam();
+    ProcessSpriteCopyRequests();
+    TransferPlttBuffer();
+}
+
+void sub_80C9BFC(void)
+{
+    SetVBlankCallback(NULL);
+
+    SetGpuReg(REG_OFFSET_DISPCNT, 0);
+    SetGpuReg(REG_OFFSET_BG2CNT, 0);
+    SetGpuReg(REG_OFFSET_BG1CNT, 0);
+    SetGpuReg(REG_OFFSET_BG0CNT, 0);
+    SetGpuReg(REG_OFFSET_BG2HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG2VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG1HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG1VOFS, 0);
+    SetGpuReg(REG_OFFSET_BG0HOFS, 0);
+    SetGpuReg(REG_OFFSET_BG0VOFS, 0);
+
+    DmaFill16(3, 0, (void *)VRAM, VRAM_SIZE);
+    DmaFill32(3, 0, (void *)OAM, OAM_SIZE);
+    DmaFill16(3, 0, (void *)(PLTT + 2), PLTT_SIZE - 2);
+    ResetPaletteFade();
+    ResetTasks();
+    ResetSpriteData();
+    EnableInterrupts(INTR_FLAG_VBLANK);
+    SetVBlankCallback(sub_80C9BE8);
+    SetMainCallback2(sub_80C9BD0);
+    if (!sub_80C9CE8())
+        SetMainCallback2(gMain.savedCallback);
+}
+
+static bool8 sub_80C9CE8(void)
+{
+    u8 fromType = get_map_light_from_warp0();
+    u8 toType = GetCurrentMapType();
+    u8 i = 0;
+    if (sub_80561B4() != gMapHeader.regionMapSectionId && sub_80F8154(gMapHeader.regionMapSectionId, FALSE) == TRUE)
+    {
+        sub_80CA160(gMapHeader.regionMapSectionId);
+        return TRUE;
+    }
+    for (; gUnknown_83F5738[i].fromType != 0; i++)
+    {
+        if (gUnknown_83F5738[i].fromType == fromType && gUnknown_83F5738[i].toType == toType)
+        {
+            gUnknown_83F5738[i].func1();
+            return TRUE;
+        }
+    }
+    return FALSE;
+}
+
+bool8 sub_80C9D7C(u8 _fromType, u8 _toType)
+{
+    u8 fromType = _fromType;
+    u8 toType = _toType;
+    u8 i = 0;
+    for (; gUnknown_83F5738[i].fromType != 0; i++)
+    {
+        if (gUnknown_83F5738[i].fromType == fromType && gUnknown_83F5738[i].toType == toType)
+        {
+            return gUnknown_83F5738[i].isEnter;
+        }
+    }
+    return FALSE;
+}
+
+bool8 sub_80C9DCC(u8 _fromType, u8 _toType)
+{
+    u8 fromType = _fromType;
+    u8 toType = _toType;
+    u8 i = 0;
+    for (; gUnknown_83F5738[i].fromType != 0; i++)
+    {
+        if (gUnknown_83F5738[i].fromType == fromType && gUnknown_83F5738[i].toType == toType)
+        {
+            return gUnknown_83F5738[i].isExit;
+        }
+    }
+    return FALSE;
+}
+
+static void sub_80C9E1C(void)
+{
+    CreateTask(sub_80C9E30, 0);
+}
+
+static void sub_80C9E30(u8 taskId)
+{
+    gTasks[taskId].func = sub_80C9E4C;
+}
+
+static void sub_80C9E4C(u8 taskId)
+{
+    SetGpuReg(REG_OFFSET_DISPCNT, 0);
+    LZ77UnCompVram(gUnknown_83F5A44, (void *)BG_CHAR_ADDR(3));
+    LZ77UnCompVram(gUnknown_83F5864, (void *)BG_SCREEN_ADDR(31));
+    LoadPalette(gUnknown_83F5804, 0xE0, 0x20);
+    LoadPalette(gUnknown_83F5844 + 8, 0xE0, 0x10);
+    SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG0 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_BG2 | BLDCNT_TGT2_BG3 | BLDCNT_TGT2_OBJ | BLDCNT_TGT2_BD);
+    SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+    SetGpuReg(REG_OFFSET_BLDY, 0);
+    SetGpuReg(REG_OFFSET_BG0CNT, BGCNT_PRIORITY(0) | BGCNT_CHARBASE(3) | BGCNT_SCREENBASE(31));
+    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG0_ON | DISPCNT_OBJ_ON);
+    gTasks[taskId].func = sub_80C9EF0;
+    gTasks[taskId].data[0] = 16;
+    gTasks[taskId].data[1] = 0;
+}
+
+static void sub_80C9EF0(u8 taskId)
+{
+    u16 r4 = gTasks[taskId].data[1];
+    SetGpuReg(REG_OFFSET_BLDALPHA, (16 << 8) + r4);
+    if (r4 <= 16)
+    {
+        gTasks[taskId].data[1]++;
+    }
+    else
+    {
+        gTasks[taskId].data[2] = 0;
+        gTasks[taskId].func = sub_80C9F38;
+    }
+}
+
+static void sub_80C9F38(u8 taskId)
+{
+    u16 r4;
+    SetGpuReg(REG_OFFSET_BLDALPHA, (16 << 8) + 16);
+    r4 = gTasks[taskId].data[2];
+    if (r4 < 8)
+    {
+        gTasks[taskId].data[2]++;
+        LoadPalette(gUnknown_83F5844 + 8 + r4, 0xE0, 0x10 - 2 * r4);
+    }
+    else
+    {
+        LoadPalette(gUnknown_83F5804, 0x00, 0x20);
+        gTasks[taskId].func = sub_80C9FA0;
+        gTasks[taskId].data[2] = 8;
+    }
+}
+
+static void sub_80C9FA0(u8 taskId)
+{
+    if (gTasks[taskId].data[2] != 0)
+        gTasks[taskId].data[2]--;
+    else
+        SetMainCallback2(gMain.savedCallback);
+}
+
+static void sub_80C9FD4(void)
+{
+    CreateTask(sub_80C9FE8, 0);
+}
+
+static void sub_80C9FE8(u8 taskId)
+{
+    gTasks[taskId].func = sub_80CA004;
+}
+
+static void sub_80CA004(u8 taskId)
+{
+    SetGpuReg(REG_OFFSET_DISPCNT, 0);
+    LZ77UnCompVram(gUnknown_83F5A44, (void *)BG_CHAR_ADDR(3));
+    LZ77UnCompVram(gUnknown_83F5864, (void *)BG_SCREEN_ADDR(31));
+    SetGpuReg(REG_OFFSET_BLDCNT, 0);
+    SetGpuReg(REG_OFFSET_BLDALPHA, 0);
+    SetGpuReg(REG_OFFSET_BLDY, 0);
+    SetGpuReg(REG_OFFSET_BG0CNT, BGCNT_PRIORITY(0) | BGCNT_CHARBASE(3) | BGCNT_SCREENBASE(31));
+    SetGpuReg(REG_OFFSET_DISPCNT, DISPCNT_MODE_0 | DISPCNT_OBJ_1D_MAP | DISPCNT_BG0_ON | DISPCNT_OBJ_ON);
+    LoadPalette(gUnknown_83F5804, 0xE0, 0x20);
+    LoadPalette(gUnknown_83F5824, 0, 0x20);
+    gTasks[taskId].func = sub_80CA0A4;
+    gTasks[taskId].data[0] = 16;
+    gTasks[taskId].data[1] = 0;
+    gTasks[taskId].data[2] = 0;
+}
+
+static void sub_80CA0A4(u8 taskId)
+{
+    u16 r4;
+    r4 = gTasks[taskId].data[2];
+    if (r4 < 16)
+    {
+        gTasks[taskId].data[2]++;
+        gTasks[taskId].data[2]++;
+        LoadPalette(&gUnknown_83F5844[16 - (r4 + 1)], 0xE0, 2 * (r4 + 1));
+    }
+    else
+    {
+        SetGpuReg(REG_OFFSET_BLDALPHA, (16 << 8) + 16);
+        SetGpuReg(REG_OFFSET_BLDCNT, BLDCNT_TGT1_BG0 | BLDCNT_EFFECT_BLEND | BLDCNT_TGT2_BG1 | BLDCNT_TGT2_BG2 | BLDCNT_TGT2_BG3 | BLDCNT_TGT2_OBJ | BLDCNT_TGT2_BD);
+        gTasks[taskId].func = sub_80CA108;
+    }
+}
+
+static void sub_80CA108(u8 taskId)
+{
+    u16 r4 = 16 - gTasks[taskId].data[1];
+    SetGpuReg(REG_OFFSET_BLDALPHA, (16 << 8) + r4);
+    if (r4 != 0)
+    {
+        gTasks[taskId].data[1]++;
+    }
+    else
+    {
+        LoadPalette(gUnknown_83F5824, 0x00, 0x20);
+        SetMainCallback2(gMain.savedCallback);
+    }
+}
+
+static void sub_80CA160(u8 mapSecId)
+{
+    u8 taskId = CreateTask(sub_80CA190, 0);
+    gTasks[taskId].data[3] = mapSecId;
+}
+
+static void sub_80CA190(u8 taskId)
+{
+    s16 *data = gTasks[taskId].data;
+    switch (data[0])
+    {
+    case 0:
+        SetWordTaskArg(taskId, 5, (uintptr_t)gMain.vblankCallback);
+        SetVBlankCallback(NULL);
+        sub_80F8180();
+        sub_80F819C(data[3]);
+        BlendPalettes(0xFFFFFFFF, 0x10, RGB_BLACK);
+        data[0]++;
+        break;
+    case 1:
+        if (!sub_80F8258())
+        {
+            data[4] = sub_80F8318(data[3]);
+            CopyWindowToVram(data[4], 3);
+            data[0]++;
+        }
+        break;
+    case 2:
+        if (!IsDma3ManagerBusyWithBgCopy())
+        {
+            BeginNormalPaletteFade(0xFFFFFFFF, -1, 16, 0, RGB_BLACK);
+            SetVBlankCallback((IntrCallback)GetWordTaskArg(taskId, 5));
+            data[0]++;
+        }
+        break;
+    case 3:
+        if (!UpdatePaletteFade())
+        {
+            data[2] = sub_80F856C(data[3]);
+            data[0]++;
+        }
+        break;
+    case 4:
+        data[1]++;
+        if (data[1] > data[2] || JOY_HELD(B_BUTTON))
+        {
+            BeginNormalPaletteFade(0xFFFFFFFF, -2, 0, 16, RGB_WHITE);
+            data[0]++;
+        }
+        break;
+    case 5:
+        if (!UpdatePaletteFade())
+        {
+            int i;
+            for (i = 0; i < 16; i++)
+            {
+                data[i] = 0;
+            }
+            sub_80F8234(data[4]);
+            gTasks[taskId].func = sub_80CA004;
+        }
+        break;
+    }
+}