field_fadetransition begin

include/cable_club.h

@@ -9,5 +9,6 @@
 
 // Exported ROM declarations
 void sub_8081A90(u8 taskId);
+u8 sub_8081150(void);
 
 #endif //GUARD_CABLE_CLUB_H

include/field_fadetransition.h

@@ -16,4 +16,6 @@ void sub_807DC18(void);
 void FieldCallback_ReturnToEventScript2(void);
 void sub_807DC00(void);
 
+bool32 sub_807E418(void);
+
 #endif // GUARD_FIELD_FADETRANSITION_H

include/field_map_obj.h

@@ -90,6 +90,7 @@ u8 sub_805EB44(u8, u8, s16, s16);
 void npc_paltag_set_load(u8 mode);
 bool8 FieldObjectIsMovementOverridden(struct MapObject *mapObject);
 u8 FieldObjectCheckHeldMovementStatus(struct MapObject *mapObject);
+u8 sub_8063F84(u8 direction);
 
 // Exported data declarations
 

include/field_player_avatar.h

@@ -28,5 +28,8 @@ u8 GetPlayerAvatarObjectId(void);
 u8 PlayerGetZCoord(void);
 u8 GetPlayerAvatarGraphicsIdByCurrentState(void);
 void sub_805CB70(void);
+void sub_805CB04(bool8);
+void sub_805DC04(void);
+bool32 sub_805DC24(void);
 
 #endif //GUARD_FIELD_PLAYER_AVATAR_H

include/field_screen_effect.h

@@ -7,5 +7,6 @@ void sub_80AF79C(void);
 void sub_807F028(u8);
 void sub_80B0244(void);
 void sub_807E3EC(void);
+void sub_807F114(void);
 
 #endif // GUARD_FIELD_SCREEN_EFFECT_H

include/fldeff.h

@@ -13,6 +13,8 @@ bool8 CheckObjectGraphicsInFrontOfPlayer(u8 graphicsId);
 u8 oei_task_add(void);
 
 // flash
+u8 sub_80C9DCC(u8 lightLevel, u8 mapType);
+u8 sub_80C9D7C(u8 mapType1, u8 mapType2);
 
 // cut
 

include/link.h

@@ -213,5 +213,6 @@ void sub_8054A28(void);
 void sub_800B1F4(void);
 void LoadWirelessStatusIndicatorSpriteGfx(void);
 void CreateWirelessStatusIndicatorSprite(u8, u8);
+void sub_8009FE8(void);
 
 #endif // GUARD_LINK_H

include/map_preview_screen.h

@@ -47,5 +47,6 @@ struct MapPreviewScreen
 u16 sub_80F8318(u8 id);
 void sub_80F85BC(u16 a0);
 u16 sub_80F856C(u8 id);
+bool8 sub_80F8110(u8 mapsec, bool8 forceFirstTime);
 
 #endif //GUARD_MAP_PREVIEW_SCREEN_H

include/overworld.h

@@ -133,6 +133,9 @@ void Overworld_ResetStateAfterDigEscRope(void);
 bool32 sub_8058244(void);
 u8 GetCurrentMapType(void);
 
+u8 get_map_light_from_warp0(void);
+const struct MapHeader *warp1_get_mapheader(void);
+
 void Overworld_CreditsMainCB(void);
 bool32 Overworld_DoScrollSceneForCredits(u8 *, const struct CreditsOverworldCmd *, u8);
 

include/quest_log.h

@@ -32,6 +32,7 @@ void sub_8112EDC(u8 a0);
 u8 sub_8112EB4(void);
 void sub_8113018(const u8 * text, u8 mode);
 void MapNamePopupWindowIdSetDummy(void);
+void sub_8111CF0(void);
 
 extern u8 gUnknown_203ADFA;
 

include/start_menu.h

@@ -4,5 +4,7 @@
 #include "global.h"
 
 void AppendToList(u8* list, u8* pos, u8 newEntry);
+void sub_806F1F0(u8 taskId);
+void sub_806F1D4(void);
 
 #endif // GUARD_START_MENU_H

ld_script.txt

@@ -119,6 +119,7 @@ SECTIONS {
         src/reset_save_heap.o(.text);
         asm/field_weather.o(.text);
         asm/field_weather_effects.o(.text);
+        src/field_fadetransition.o(.text);
         asm/field_fadetransition.o(.text);
         asm/field_screen_effect.o(.text);
         asm/battle_setup.o(.text);

src/field_fadetransition.c

@@ -0,0 +1,488 @@
+#include "global.h"
+#include "palette.h"
+#include "field_fadetransition.h"
+#include "overworld.h"
+#include "fldeff.h"
+#include "field_weather.h"
+#include "map_preview_screen.h"
+#include "field_player_avatar.h"
+#include "task.h"
+#include "script.h"
+#include "cable_club.h"
+#include "fieldmap.h"
+#include "metatile_behavior.h"
+#include "quest_log.h"
+#include "link.h"
+#include "map_obj_80688E4.h"
+#include "sound.h"
+#include "field_door.h"
+#include "field_screen_effect.h"
+#include "field_map_obj.h"
+#include "field_map_obj_helpers.h"
+#include "map_obj_lock.h"
+#include "start_menu.h"
+#include "constants/songs.h"
+
+void sub_807DF4C(u8 a0);
+void sub_807DFBC(u8 taskId);
+void task_map_chg_seq_0807E20C(u8 taskId);
+void task_map_chg_seq_0807E2CC(u8 taskId);
+void sub_807E31C(u8 taskId);
+void sub_807EC34(u8 taskId);
+void sub_807F204(u8 taskId);
+
+void palette_bg_faded_fill_white(void)
+{
+    CpuFastFill16(RGB_WHITE, gPlttBufferFaded, 0x400);
+}
+
+void palette_bg_faded_fill_black(void)
+{
+    CpuFastFill16(RGB_BLACK, gPlttBufferFaded, 0x400);
+}
+
+void pal_fill_for_maplights(void)
+{
+    switch (sub_80C9DCC(get_map_light_from_warp0(), GetCurrentMapType()))
+    {
+    case 0:
+        palette_bg_faded_fill_black();
+        fade_screen(0, 0);
+        palette_bg_faded_fill_black();
+        break;
+    case 1:
+        palette_bg_faded_fill_white();
+        fade_screen(2, 0);
+        palette_bg_faded_fill_white();
+        break;
+    }
+}
+
+void sub_807DBAC(void)
+{
+    switch (sub_80C9DCC(get_map_light_from_warp0(), GetCurrentMapType()))
+    {
+    case 0:
+        palette_bg_faded_fill_black();
+        fade_screen(0, 3);
+        palette_bg_faded_fill_black();
+        break;
+    case 1:
+        palette_bg_faded_fill_white();
+        fade_screen(2, 3);
+        palette_bg_faded_fill_white();
+        break;
+    }
+}
+
+void sub_807DC00(void)
+{
+    palette_bg_faded_fill_black();
+    fade_screen(0, 0);
+    palette_bg_faded_fill_black();
+}
+
+void sub_807DC18(void)
+{
+    const struct MapHeader *header = warp1_get_mapheader();
+    if (header->regionMapSectionId != gMapHeader.regionMapSectionId && sub_80F8110(header->regionMapSectionId, FALSE))
+        fade_screen(1, 0);
+    else
+    {
+        switch (sub_80C9D7C(GetCurrentMapType(), header->mapType))
+        {
+        case 0:
+            fade_screen(1, 0);
+            break;
+        case 1:
+            fade_screen(3, 0);
+            break;
+        }
+    }
+}
+
+void sub_807DC70(void)
+{
+    switch (sub_80C9D7C(GetCurrentMapType(), warp1_get_mapheader()->mapType))
+    {
+    case 0:
+        fade_screen(1, 3);
+        break;
+    case 1:
+        fade_screen(3, 3);
+        break;
+    }
+}
+
+void sub_807DCB0(bool8 arg)
+{
+    sub_805CB04(!arg);
+}
+
+void task0A_nop_for_a_while(u8 taskId)
+{
+    if (sub_807E418() == TRUE)
+        DestroyTask(taskId);
+}
+
+void sub_807DCE4(void)
+{
+    ScriptContext2_Enable();
+    Overworld_PlaySpecialMapMusic();
+    sub_807DC00();
+    CreateTask(task0A_nop_for_a_while, 10);
+}
+
+void task0A_asap_script_env_2_enable_and_set_ctx_running(u8 taskId)
+{
+    if (sub_807E418() == TRUE)
+    {
+        DestroyTask(taskId);
+        EnableBothScriptContexts();
+    }
+}
+
+void FieldCallback_ReturnToEventScript2(void)
+{
+    ScriptContext2_Enable();
+    Overworld_PlaySpecialMapMusic();
+    sub_807DC00();
+    CreateTask(task0A_asap_script_env_2_enable_and_set_ctx_running, 10);
+}
+
+void sub_807DD44(void)
+{
+    ScriptContext2_Enable();
+    sub_807DC00();
+    CreateTask(task0A_asap_script_env_2_enable_and_set_ctx_running, 10);
+}
+
+void task_mpl_807DD60(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+    switch (task->data[0])
+    {
+    case 0:
+        task->data[1] = sub_8081150();
+        task->data[0]++;
+        break;
+    case 1:
+        if (gTasks[task->data[1]].isActive != TRUE)
+        {
+            pal_fill_for_maplights();
+            task->data[0]++;
+        }
+        break;
+    case 2:
+        if (sub_807E418() == TRUE)
+        {
+            ScriptContext2_Disable();
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+void sub_807DDD0(void)
+{
+    ScriptContext2_Enable();
+    Overworld_PlaySpecialMapMusic();
+    palette_bg_faded_fill_black();
+    CreateTask(task_mpl_807DD60, 10);
+}
+
+void sub_807DDF0(u8 taskId)
+{
+    struct Task *task = &gTasks[taskId];
+    switch (task->data[0])
+    {
+    case 0:
+        sub_800AB9C();
+        task->data[0]++;
+        break;
+    case 1:
+        if (IsLinkTaskFinished())
+        {
+            pal_fill_for_maplights();
+            task->data[0]++;
+        }
+        break;
+    case 2:
+        if (sub_807E418() == TRUE)
+        {
+            sub_8009FE8();
+            ScriptContext2_Disable();
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+void sub_807DE58(void)
+{
+    ScriptContext2_Enable();
+    Overworld_PlaySpecialMapMusic();
+    palette_bg_faded_fill_black();
+    CreateTask(sub_807DDF0, 10);
+}
+
+void sub_807DE78(bool8 a0)
+{
+    s16 x, y;
+    u32 behavior;
+    TaskFunc func;
+
+    PlayerGetDestCoords(&x, &y);
+    behavior = MapGridGetMetatileBehaviorAt(x, y);
+    if (MetatileBehavior_IsWarpDoor_2(behavior) == TRUE)
+    {
+        func = sub_807DFBC;
+        switch (sub_80C9DCC(get_map_light_from_warp0(), GetCurrentMapType()))
+        {
+        case 0:
+            palette_bg_faded_fill_black();
+            break;
+        case 1:
+            palette_bg_faded_fill_white();
+            break;
+        }
+    }
+    else
+    {
+        sub_807DF4C(a0);
+        if (MetatileBehavior_IsCaveDoor(behavior) == TRUE)
+            func = task_map_chg_seq_0807E20C;
+        else if (MetatileBehavior_IsUnknownWarp6C_to_6F(behavior) == TRUE)
+        {
+            u8 tmp = gUnknown_2031DE0;
+            func = task_map_chg_seq_0807E2CC;
+            if (!tmp)
+                func = sub_807EC34;
+        }
+        else
+            func = task_map_chg_seq_0807E2CC;
+    }
+    gUnknown_2031DE0 = FALSE;
+    CreateTask(func, 10);
+}
+
+void sub_807DF4C(bool8 a0)
+{
+    if (!a0)
+        pal_fill_for_maplights();
+    else
+        sub_807DC00();
+}
+
+void sub_807DF64(void)
+{
+    Overworld_PlaySpecialMapMusic();
+    sub_8111CF0();
+    sub_807DE78(FALSE);
+    ScriptContext2_Enable();
+}
+
+void sub_807DF7C(void)
+{
+    Overworld_PlaySpecialMapMusic();
+    sub_8111CF0();
+    sub_807DE78(TRUE);
+    ScriptContext2_Enable();
+}
+
+void sub_807DF94(void)
+{
+    Overworld_PlaySpecialMapMusic();
+    pal_fill_for_maplights();
+    sub_8111CF0();
+    PlaySE(SE_RU_GASHIN);
+    CreateTask(sub_807E31C, 10);
+    ScriptContext2_Enable();
+}
+
+void sub_807DFBC(u8 taskId)
+{
+    struct Task * task = &gTasks[taskId];
+    s16 *x = &task->data[2];
+    s16 *y = &task->data[3];
+
+    if (task->data[0] == 0)
+        task->data[0] = 5;
+
+    switch (task->data[0])
+    {
+    case 0: // Never reached
+        sub_807DCB0(0);
+        player_bitmagic();
+        PlayerGetDestCoords(x, y);
+        FieldSetDoorOpened(*x, *y);
+        task->data[0] = 1;
+        break;
+    case 5:
+        sub_807DCB0(0);
+        player_bitmagic();
+        sub_807F114();
+        sub_807DBAC();
+        task->data[0] = 6;
+        break;
+    case 6:
+        task->data[15]++;
+        if (task->data[15] == 25)
+        {
+            PlayerGetDestCoords(x, y);
+            PlaySE(GetDoorSoundEffect(*x, *y));
+            FieldAnimateDoorOpen(*x, *y);
+            task->data[0] = 7;
+        }
+        break;
+    case 7:
+        if (!FieldIsDoorAnimationRunning())
+        {
+            PlayerGetDestCoords(&task->data[12], &task->data[13]);
+            sub_807DCB0(TRUE);
+            FieldObjectSetHeldMovement(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)], 16);
+            task->data[0] = 8;
+        }
+        break;
+    case 8:
+        task->data[14]++;
+        if (task->data[14] == 14)
+        {
+            FieldAnimateDoorClose(task->data[12], task->data[13]);
+            task->data[0] = 9;
+        }
+        break;
+    case 9:
+        if (sub_807E418() && walkrun_is_standing_still() && !FieldIsDoorAnimationRunning() && !FuncIsActiveTask(sub_807F204))
+        {
+            FieldObjectClearHeldMovementIfFinished(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)]);
+            task->data[0] = 4;
+        }
+        break;
+    // Legacy RS
+    case 1:
+        if (sub_807E418())
+        {
+            sub_807DCB0(TRUE);
+            FieldObjectSetHeldMovement(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)], 16);
+            task->data[0] = 2;
+        }
+        break;
+    case 2:
+        if (walkrun_is_standing_still())
+        {
+            task->data[1] = FieldAnimateDoorClose(*x, *y);
+            FieldObjectClearHeldMovementIfFinished(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)]);
+            task->data[0] = 3;
+        }
+        break;
+    case 3:
+        if (task->data[1] < 0 || gTasks[task->data[1]].isActive != TRUE)
+            task->data[0] = 4;
+        break;
+    case 4:
+        UnfreezeMapObjects();
+        ScriptContext2_Disable();
+        DestroyTask(taskId);
+        break;
+    }
+}
+
+void task_map_chg_seq_0807E20C(u8 taskId)
+{
+    struct Task * task = &gTasks[taskId];
+    s16 *x = &task->data[2];
+    s16 *y = &task->data[3];
+
+    switch (task->data[0])
+    {
+    case 0:
+        sub_807DCB0(0);
+        player_bitmagic();
+        PlayerGetDestCoords(x, y);
+        task->data[0] = 1;
+        break;
+    case 1:
+        if (sub_807E418())
+        {
+            sub_807DCB0(TRUE);
+            FieldObjectSetHeldMovement(&gMapObjects[GetFieldObjectIdByLocalIdAndMap(0xFF, 0, 0)], sub_8063F84(GetPlayerFacingDirection()));
+            task->data[0] = 2;
+        }
+        break;
+    case 2:
+        if (walkrun_is_standing_still())
+        {
+            task->data[0] = 3;
+        }
+        break;
+    case 3:
+        UnfreezeMapObjects();
+        ScriptContext2_Disable();
+        DestroyTask(taskId);
+        break;
+    }
+}
+
+void task_map_chg_seq_0807E2CC(u8 taskId)
+{
+    switch (gTasks[taskId].data[0])
+    {
+    case 0:
+        player_bitmagic();
+        ScriptContext2_Enable();
+        gTasks[taskId].data[0]++;
+        break;
+    case 1:
+        if (sub_807E418())
+        {
+            UnfreezeMapObjects();
+            ScriptContext2_Disable();
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+void sub_807E31C(u8 taskId)
+{
+    switch (gTasks[taskId].data[0])
+    {
+    case 0:
+        player_bitmagic();
+        ScriptContext2_Enable();
+        sub_805DC04();
+        gTasks[taskId].data[0]++;
+        break;
+    case 1:
+        if (sub_807E418() && sub_805DC24() != TRUE)
+        {
+            UnfreezeMapObjects();
+            ScriptContext2_Disable();
+            DestroyTask(taskId);
+        }
+        break;
+    }
+}
+
+void sub_807E378(u8 taskId)
+{
+    if (sub_807E418() == TRUE)
+    {
+        DestroyTask(taskId);
+        CreateTask(sub_806F1F0, 80);
+    }
+}
+
+void sub_807E3A0(void)
+{
+    sub_807DC00();
+    CreateTask(sub_807E378, 80);
+    ScriptContext2_Enable();
+}
+
+bool32 sub_807E3BC(void)
+{
+    sub_806F1D4();
+    return FALSE;
+}