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item_use.c
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#include "global.h"
#include "item_use.h"
#include "battle.h"
#include "battle_anim.h"
#include "battle_pyramid.h"
#include "battle_pyramid_bag.h"
#include "berry.h"
#include "berry_powder.h"
#include "bike.h"
#include "coins.h"
#include "data.h"
#include "event_data.h"
#include "event_object_lock.h"
#include "event_object_movement.h"
#include "event_scripts.h"
#include "fieldmap.h"
#include "field_effect.h"
#include "field_player_avatar.h"
#include "field_screen_effect.h"
#include "field_weather.h"
#include "fldeff.h"
#include "follow_me.h"
#include "item.h"
#include "item_menu.h"
#include "item_use.h"
#include "mail.h"
#include "main.h"
#include "menu.h"
#include "menu_helpers.h"
#include "metatile_behavior.h"
#include "overworld.h"
#include "palette.h"
#include "party_menu.h"
#include "pokeblock.h"
#include "pokemon.h"
#include "pokenav.h"
#include "script.h"
#include "sound.h"
#include "strings.h"
#include "string_util.h"
#include "task.h"
#include "text.h"
#include "vs_seeker.h"
#include "follow_me.h"
#include "tm_case.h"
#include "constants/event_bg.h"
#include "constants/event_objects.h"
#include "constants/item_effects.h"
#include "constants/items.h"
#include "constants/songs.h"
#include "constants/map_types.h"
static void SetUpItemUseCallback(u8);
static void FieldCB_UseItemOnField(void);
static void Task_CallItemUseOnFieldCallback(u8);
static void Task_UseItemfinder(u8);
static void Task_CloseItemfinderMessage(u8);
static void Task_HiddenItemNearby(u8);
static void Task_StandingOnHiddenItem(u8);
static bool8 ItemfinderCheckForHiddenItems(const struct MapEvents *, u8);
static u8 GetDirectionToHiddenItem(s16, s16);
static void PlayerFaceHiddenItem(u8);
static void CheckForHiddenItemsInMapConnection(u8);
static void Task_OpenRegisteredPokeblockCase(u8);
static void Task_AccessPokemonBoxLink(u8);
static void ItemUseOnFieldCB_Bike(u8);
static void ItemUseOnFieldCB_Rod(u8);
void ItemUseOnFieldCB_Itemfinder(u8);
static void ItemUseOnFieldCB_Berry(u8);
static void ItemUseOnFieldCB_WailmerPailBerry(u8);
static void ItemUseOnFieldCB_WailmerPailSudowoodo(u8);
static void ItemUseOnFieldCB_Fertilizer(u8);
static bool8 TryToWaterSudowoodo(void);
static void BootUpSoundTMHM(u8);
static void Task_ShowTMHMContainedMessage(u8);
static void UseTMHMYesNo(u8);
static void UseTMHM(u8);
static void Task_StartUseRepel(u8);
static void Task_StartUseLure(u8 taskId);
static void Task_UseRepel(u8);
static void Task_UseLure(u8 taskId);
static void Task_CloseCantUseKeyItemMessage(u8);
static void SetDistanceOfClosestHiddenItem(u8, s16, s16);
static void CB2_OpenPokeblockFromBag(void);
static void ItemUseOnFieldCB_Honey(u8 taskId);
static bool32 IsValidLocationForVsSeeker(void);
static const u8 sText_CantDismountBike[] = _("You can't dismount your BIKE here.{PAUSE_UNTIL_PRESS}");
static const u8 sText_ItemFinderNearby[] = _("Huh?\nThe ITEMFINDER's responding!\pThere's an item buried around here!{PAUSE_UNTIL_PRESS}");
static const u8 sText_ItemFinderOnTop[] = _("Oh!\nThe ITEMFINDER's shaking wildly!{PAUSE_UNTIL_PRESS}");
static const u8 sText_ItemFinderNothing[] = _("… … … …Nope!\nThere's no response.{PAUSE_UNTIL_PRESS}");
static const u8 sText_CoinCase[] = _("Your COINS:\n{STR_VAR_1}{PAUSE_UNTIL_PRESS}");
static const u8 sText_PowderQty[] = _("POWDER QTY: {STR_VAR_1}{PAUSE_UNTIL_PRESS}");
static const u8 sText_BootedUpTM[] = _("Booted up a TM.");
static const u8 sText_BootedUpHM[] = _("Booted up an HM.");
static const u8 sText_TMHMContainedVar1[] = _("It contained\n{STR_VAR_1}.\pTeach {STR_VAR_1}\nto a POKéMON?");
static const u8 sText_UsedVar2WildLured[] = _("{PLAYER} used the\n{STR_VAR_2}.\pWild POKéMON will be lured.{PAUSE_UNTIL_PRESS}");
static const u8 sText_UsedVar2WildRepelled[] = _("{PLAYER} used the\n{STR_VAR_2}.\pWild POKéMON will be repelled.{PAUSE_UNTIL_PRESS}");
static const u8 sText_PlayedPokeFluteCatchy[] = _("Played the POKé FLUTE.\pNow, that's a catchy tune!{PAUSE_UNTIL_PRESS}");
static const u8 sText_PlayedPokeFlute[] = _("Played the POKé FLUTE.");
static const u8 sText_PokeFluteAwakenedMon[] = _("The POKé FLUTE awakened sleeping\nPOKéMON.{PAUSE_UNTIL_PRESS}");
// EWRAM variables
EWRAM_DATA static void(*sItemUseOnFieldCB)(u8 taskId) = NULL;
// Below is set TRUE by UseRegisteredKeyItemOnField
#define tUsingRegisteredKeyItem data[3]
// UB here if an item with type ITEM_USE_MAIL or ITEM_USE_BAG_MENU uses SetUpItemUseCallback
// Never occurs in vanilla, but can occur with improperly created items
static const MainCallback sItemUseCallbacks[] =
{
[ITEM_USE_PARTY_MENU - 1] = CB2_ShowPartyMenuForItemUse,
[ITEM_USE_FIELD - 1] = CB2_ReturnToField,
[ITEM_USE_PBLOCK_CASE - 1] = NULL,
[ITEM_USE_PARTY_MENU_MOVES - 1] = CB2_ShowPartyMenuForItemUse,
};
static const u8 sClockwiseDirections[] = {DIR_NORTH, DIR_EAST, DIR_SOUTH, DIR_WEST};
static const struct YesNoFuncTable sUseTMHMYesNoFuncTable =
{
.yesFunc = UseTMHM,
.noFunc = CloseItemMessage,
};
#define tEnigmaBerryType data[4]
static void SetUpItemUseCallback(u8 taskId)
{
u8 type;
if (gSpecialVar_ItemId == ITEM_ENIGMA_BERRY_E_READER)
type = gTasks[taskId].tEnigmaBerryType - 1;
else
type = ItemId_GetType(gSpecialVar_ItemId) - 1;
if (!InBattlePyramid())
{
gBagMenu->newScreenCallback = sItemUseCallbacks[type];
Task_FadeAndCloseBagMenu(taskId);
}
else
{
gPyramidBagMenu->newScreenCallback = sItemUseCallbacks[type];
CloseBattlePyramidBag(taskId);
}
}
static void SetUpItemUseOnFieldCallback(u8 taskId)
{
if (gTasks[taskId].tUsingRegisteredKeyItem != TRUE)
{
gFieldCallback = FieldCB_UseItemOnField;
SetUpItemUseCallback(taskId);
}
else
{
sItemUseOnFieldCB(taskId);
}
}
static void FieldCB_UseItemOnField(void)
{
FadeInFromBlack();
CreateTask(Task_CallItemUseOnFieldCallback, 8);
}
static void Task_CallItemUseOnFieldCallback(u8 taskId)
{
if (IsWeatherNotFadingIn() == 1)
sItemUseOnFieldCB(taskId);
}
static void DisplayCannotUseItemMessage(u8 taskId, bool8 isUsingRegisteredKeyItemOnField, const u8 *str)
{
StringExpandPlaceholders(gStringVar4, str);
if (!isUsingRegisteredKeyItemOnField)
{
if (!InBattlePyramid())
DisplayItemMessage(taskId, FONT_NORMAL, gStringVar4, CloseItemMessage);
else
DisplayItemMessageInBattlePyramid(taskId, gText_DadsAdvice, Task_CloseBattlePyramidBagMessage);
}
else
{
DisplayItemMessageOnField(taskId, gStringVar4, Task_CloseCantUseKeyItemMessage);
}
}
void DisplayDadsAdviceCannotUseItemMessage(u8 taskId, bool8 isUsingRegisteredKeyItemOnField)
{
DisplayCannotUseItemMessage(taskId, isUsingRegisteredKeyItemOnField, gText_DadsAdvice);
}
void DisplayZygardeCubeItemMessage(u8 taskId, bool8 isUsingRegisteredKeyItemOnField)
{
DisplayCannotUseItemMessage(taskId, isUsingRegisteredKeyItemOnField, gText_ZygardeCells);
}
static void DisplayCannotDismountBikeMessage(u8 taskId, bool8 isUsingRegisteredKeyItemOnField)
{
DisplayCannotUseItemMessage(taskId, isUsingRegisteredKeyItemOnField, sText_CantDismountBike);
}
static void Task_CloseCantUseKeyItemMessage(u8 taskId)
{
ClearDialogWindowAndFrame(0, TRUE);
DestroyTask(taskId);
ScriptUnfreezeObjectEvents();
UnlockPlayerFieldControls();
}
u8 CheckIfItemIsTMHMOrEvolutionStone(u16 itemId)
{
if (ItemId_GetFieldFunc(itemId) == ItemUseOutOfBattle_TMHM)
return 1;
else if (ItemId_GetFieldFunc(itemId) == ItemUseOutOfBattle_EvolutionStone)
return 2;
else
return 0;
}
// Mail in the bag menu can't have a message but it can be checked (view the mail background, no message)
static void CB2_CheckMail(void)
{
struct Mail mail;
mail.itemId = gSpecialVar_ItemId;
ReadMail(&mail, CB2_ReturnToBagMenuPocket, FALSE);
}
void ItemUseOutOfBattle_Mail(u8 taskId)
{
gBagMenu->newScreenCallback = CB2_CheckMail;
Task_FadeAndCloseBagMenu(taskId);
}
STATIC_ASSERT(I_EXP_SHARE_ITEM < GEN_6 || I_EXP_SHARE_FLAG > TEMP_FLAGS_END, YouNeedToSetAFlagToUseGen6ExpShare);
void ItemUseOutOfBattle_ExpShare(u8 taskId)
{
#if I_EXP_SHARE_ITEM >= GEN_6
if (IsGen6ExpShareEnabled())
{
PlaySE(SE_PC_OFF);
if (!gTasks[taskId].data[2]) // to account for pressing select in the overworld
DisplayItemMessageOnField(taskId, gText_ExpShareOff, Task_CloseCantUseKeyItemMessage);
else
DisplayItemMessage(taskId, FONT_NORMAL, gText_ExpShareOff, CloseItemMessage);
}
else
{
PlaySE(SE_EXP_MAX);
if (!gTasks[taskId].data[2]) // to account for pressing select in the overworld
DisplayItemMessageOnField(taskId, gText_ExpShareOn, Task_CloseCantUseKeyItemMessage);
else
DisplayItemMessage(taskId, FONT_NORMAL, gText_ExpShareOn, CloseItemMessage);
}
FlagToggle(I_EXP_SHARE_FLAG);
#else
DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].tUsingRegisteredKeyItem);
#endif
}
static void CB2_OpenTownMapFromBag(void)
{
OpenPokenavForTownMap(CB2_ReturnToBagMenuPocket);
}
static void Task_OpenRegisteredTownMap(u8 taskId)
{
if (!gPaletteFade.active)
{
CleanupOverworldWindowsAndTilemaps();
OpenPokenavForTownMap(CB2_ReturnToField);
DestroyTask(taskId);
}
}
void ItemUseOutOfBattle_TownMap(u8 taskId)
{
if (gTasks[taskId].tUsingRegisteredKeyItem != TRUE)
{
gBagMenu->newScreenCallback = CB2_OpenTownMapFromBag;
Task_FadeAndCloseBagMenu(taskId);
}
else
{
gFieldCallback = FieldCB_ReturnToFieldNoScript;
FadeScreen(FADE_TO_BLACK, 0);
gTasks[taskId].func = Task_OpenRegisteredTownMap;
}
}
void ItemUseOutOfBattle_Bike(u8 taskId)
{
s16 *data = gTasks[taskId].data;
s16 coordsY;
s16 coordsX;
u8 behavior;
PlayerGetDestCoords(&coordsX, &coordsY);
behavior = MapGridGetMetatileBehaviorAt(coordsX, coordsY);
if (FlagGet(FLAG_SYS_CYCLING_ROAD) == TRUE || MetatileBehavior_IsVerticalRail(behavior) == TRUE || MetatileBehavior_IsHorizontalRail(behavior) == TRUE || MetatileBehavior_IsIsolatedVerticalRail(behavior) == TRUE || MetatileBehavior_IsIsolatedHorizontalRail(behavior) == TRUE)
{
DisplayCannotDismountBikeMessage(taskId, tUsingRegisteredKeyItem);
}
else
{
if (Overworld_IsBikingAllowed() == TRUE && IsBikingDisallowedByPlayer() == 0 && FollowerCanBike())
{
sItemUseOnFieldCB = ItemUseOnFieldCB_Bike;
SetUpItemUseOnFieldCallback(taskId);
}
else
{
DisplayDadsAdviceCannotUseItemMessage(taskId, tUsingRegisteredKeyItem);
}
}
}
static void ItemUseOnFieldCB_Bike(u8 taskId)
{
// if(gSaveBlock2Ptr->playerBike != (MACH_BIKE || ACRO_BIKE))
// gSaveBlock2Ptr->playerBike = ACRO_BIKE;
if (gPlayerAvatar.flags & PLAYER_AVATAR_FLAG_BIKE)
{
SetPlayerAvatarTransitionFlags(PLAYER_AVATAR_FLAG_ON_FOOT);
Overworld_ClearSavedMusic();
Overworld_PlaySpecialMapMusic();
}
else
{
// gSaveBlock2Ptr->playerBike = ItemId_GetSecondaryId(gSpecialVar_ItemId);
SetPlayerAvatarTransitionFlags(PLAYER_AVATAR_FLAG_BIKE);
if (gSaveBlock1Ptr->location.mapNum != MAP_NUM(SANDSTONE_GYM_1F)
&& gSaveBlock1Ptr->location.mapGroup != MAP_GROUP(SANDSTONE_GYM_1F))
{
Overworld_SetSavedMusic(MUS_CYCLING);
Overworld_ChangeMusicTo(MUS_CYCLING);
}
}
FollowMe_HandleBike();
ScriptUnfreezeObjectEvents();
UnlockPlayerFieldControls();
DestroyTask(taskId);
}
static bool32 CanFish(void)
{
s16 x, y;
u16 tileBehavior;
GetXYCoordsOneStepInFrontOfPlayer(&x, &y);
tileBehavior = MapGridGetMetatileBehaviorAt(x, y);
if (MetatileBehavior_IsWaterfall(tileBehavior))
return FALSE;
if (TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_UNDERWATER))
return FALSE;
if (!TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_SURFING))
{
if (IsPlayerFacingSurfableFishableWater())
return TRUE;
}
if (!TestPlayerAvatarFlags(PLAYER_AVATAR_FLAG_SURFING))
{
if ((IsPlayerFacingFishableLava()) && CheckBagHasItem(ITEM_TITANIUM_LINE, 1))
return TRUE;
}
else
{
if (MetatileBehavior_IsSurfableWaterOrUnderwater(tileBehavior) && MapGridGetCollisionAt(x, y) == 0)
return TRUE;
if (MetatileBehavior_IsBridgeOverWaterNoEdge(tileBehavior) == TRUE)
return TRUE;
}
return FALSE;
}
void ItemUseOutOfBattle_Rod(u8 taskId)
{
if (CanFish() == TRUE)
{
sItemUseOnFieldCB = ItemUseOnFieldCB_Rod;
SetUpItemUseOnFieldCallback(taskId);
}
else
{
DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].tUsingRegisteredKeyItem);
}
}
static void ItemUseOnFieldCB_Rod(u8 taskId)
{
StartFishing(ItemId_GetSecondaryId(gSpecialVar_ItemId));
DestroyTask(taskId);
}
void ItemUseOutOfBattle_Itemfinder(u8 var)
{
IncrementGameStat(GAME_STAT_USED_ITEMFINDER);
sItemUseOnFieldCB = ItemUseOnFieldCB_Itemfinder;
SetUpItemUseOnFieldCallback(var);
}
void ItemUseOnFieldCB_Itemfinder(u8 taskId)
{
if (ItemfinderCheckForHiddenItems(gMapHeader.events, taskId) == TRUE)
gTasks[taskId].func = Task_UseItemfinder;
else
DisplayItemMessageOnField(taskId, sText_ItemFinderNothing, Task_CloseItemfinderMessage);
}
// Define itemfinder task data
#define tItemDistanceX data[0]
#define tItemDistanceY data[1]
#define tItemFound data[2]
#define tCounter data[3] // Used to count delay between beeps and rotations during player spin
#define tItemfinderBeeps data[4]
#define tFacingDir data[5]
static void Task_UseItemfinder(u8 taskId)
{
u8 playerDir;
u8 playerDirToItem;
u8 i;
s16 *data = gTasks[taskId].data;
if (tCounter == 0)
{
if (tItemfinderBeeps == 4)
{
playerDirToItem = GetDirectionToHiddenItem(tItemDistanceX, tItemDistanceY);
if (playerDirToItem != DIR_NONE)
{
PlayerFaceHiddenItem(sClockwiseDirections[playerDirToItem - 1]);
gTasks[taskId].func = Task_HiddenItemNearby;
}
else
{
// Player is standing on hidden item
playerDir = GetPlayerFacingDirection();
for (i = 0; i < ARRAY_COUNT(sClockwiseDirections); i++)
{
if (playerDir == sClockwiseDirections[i])
tFacingDir = (i + 1) & 3;
}
gTasks[taskId].func = Task_StandingOnHiddenItem;
tCounter = 0;
tItemFound = 0;
}
return;
}
PlaySE(SE_ITEMFINDER);
tItemfinderBeeps++;
}
tCounter = (tCounter + 1) & 0x1F;
}
static void Task_CloseItemfinderMessage(u8 taskId)
{
ClearDialogWindowAndFrame(0, TRUE);
ScriptUnfreezeObjectEvents();
UnlockPlayerFieldControls();
DestroyTask(taskId);
}
static bool8 ItemfinderCheckForHiddenItems(const struct MapEvents *events, u8 taskId)
{
int itemX, itemY;
s16 playerX, playerY, i, distanceX, distanceY;
PlayerGetDestCoords(&playerX, &playerY);
gTasks[taskId].tItemFound = FALSE;
for (i = 0; i < events->bgEventCount; i++)
{
// Check if there are any hidden items on the current map that haven't been picked up
if (events->bgEvents[i].kind == BG_EVENT_HIDDEN_ITEM && !FlagGet(events->bgEvents[i].bgUnion.hiddenItem.hiddenItemId + FLAG_HIDDEN_ITEMS_START))
{
itemX = (u16)events->bgEvents[i].x + MAP_OFFSET;
distanceX = itemX - playerX;
itemY = (u16)events->bgEvents[i].y + MAP_OFFSET;
distanceY = itemY - playerY;
// Player can see 7 metatiles on either side horizontally
// and 5 metatiles on either side vertically
if (distanceX >= -7 && distanceX <= 7 && distanceY >= -5 && distanceY <= 5)
SetDistanceOfClosestHiddenItem(taskId, distanceX, distanceY);
}
}
CheckForHiddenItemsInMapConnection(taskId);
if (gTasks[taskId].tItemFound == TRUE)
return TRUE;
else
return FALSE;
}
static bool8 IsHiddenItemPresentAtCoords(const struct MapEvents *events, s16 x, s16 y)
{
u8 bgEventCount = events->bgEventCount;
const struct BgEvent *bgEvent = events->bgEvents;
int i;
for (i = 0; i < bgEventCount; i++)
{
if (bgEvent[i].kind == BG_EVENT_HIDDEN_ITEM && x == (u16)bgEvent[i].x && y == (u16)bgEvent[i].y) // hidden item and coordinates matches x and y passed?
{
if (!FlagGet(bgEvent[i].bgUnion.hiddenItem.hiddenItemId + FLAG_HIDDEN_ITEMS_START))
return TRUE;
else
return FALSE;
}
}
return FALSE;
}
static bool8 IsHiddenItemPresentInConnection(const struct MapConnection *connection, int x, int y)
{
s16 connectionX, connectionY;
struct MapHeader const *const connectionHeader = GetMapHeaderFromConnection(connection);
// To convert our x/y into coordinates that are relative to the connected map, we must:
// - Subtract the virtual offset used for the border buffer (MAP_OFFSET).
// - Subtract the horizontal offset between North/South connections, or the vertical offset for East/West
// - Account for map size. (0,0) is in the NW corner of our map, so when looking North/West we have to add the height/width of the connected map,
// and when looking South/East we have to subtract the height/width of our current map.
#define localX (x - MAP_OFFSET)
#define localY (y - MAP_OFFSET)
switch (connection->direction)
{
case CONNECTION_NORTH:
connectionX = localX - connection->offset;
connectionY = connectionHeader->mapLayout->height + localY;
break;
case CONNECTION_SOUTH:
connectionX = localX - connection->offset;
connectionY = localY - gMapHeader.mapLayout->height;
break;
case CONNECTION_WEST:
connectionX = connectionHeader->mapLayout->width + localX;
connectionY = localY - connection->offset;
break;
case CONNECTION_EAST:
connectionX = localX - gMapHeader.mapLayout->width;
connectionY = localY - connection->offset;
break;
default:
return FALSE;
}
return IsHiddenItemPresentAtCoords(connectionHeader->events, connectionX, connectionY);
}
#undef localX
#undef localY
static void CheckForHiddenItemsInMapConnection(u8 taskId)
{
s16 playerX, playerY;
s16 x, y;
s16 width = gMapHeader.mapLayout->width + MAP_OFFSET;
s16 height = gMapHeader.mapLayout->height + MAP_OFFSET;
s16 var1 = MAP_OFFSET;
s16 var2 = MAP_OFFSET;
PlayerGetDestCoords(&playerX, &playerY);
// Player can see 7 metatiles on either side horizontally
// and 5 metatiles on either side vertically
for (x = playerX - 7; x <= playerX + 7; x++)
{
for (y = playerY - 5; y <= playerY + 5; y++)
{
if (var1 > x
|| x >= width
|| var2 > y
|| y >= height)
{
const struct MapConnection *conn = GetMapConnectionAtPos(x, y);
if (conn && IsHiddenItemPresentInConnection(conn, x, y) == TRUE)
SetDistanceOfClosestHiddenItem(taskId, x - playerX, y - playerY);
}
}
}
}
static void SetDistanceOfClosestHiddenItem(u8 taskId, s16 itemDistanceX, s16 itemDistanceY)
{
s16 *data = gTasks[taskId].data;
s16 oldItemAbsX, oldItemAbsY, newItemAbsX, newItemAbsY;
if (tItemFound == FALSE)
{
// No other items found yet, set this one
tItemDistanceX = itemDistanceX;
tItemDistanceY = itemDistanceY;
tItemFound = TRUE;
}
else
{
// Other items have been found, check if this one is closer
// Get absolute x distance of the already-found item
if (tItemDistanceX < 0)
oldItemAbsX = tItemDistanceX * -1; // WEST
else
oldItemAbsX = tItemDistanceX; // EAST
// Get absolute y distance of the already-found item
if (tItemDistanceY < 0)
oldItemAbsY = tItemDistanceY * -1; // NORTH
else
oldItemAbsY = tItemDistanceY; // SOUTH
// Get absolute x distance of the newly-found item
if (itemDistanceX < 0)
newItemAbsX = itemDistanceX * -1;
else
newItemAbsX = itemDistanceX;
// Get absolute y distance of the newly-found item
if (itemDistanceY < 0)
newItemAbsY = itemDistanceY * -1;
else
newItemAbsY = itemDistanceY;
if (oldItemAbsX + oldItemAbsY > newItemAbsX + newItemAbsY)
{
// New item is closer
tItemDistanceX = itemDistanceX;
tItemDistanceY = itemDistanceY;
}
else
{
if (oldItemAbsX + oldItemAbsY == newItemAbsX + newItemAbsY
&& (oldItemAbsY > newItemAbsY || (oldItemAbsY == newItemAbsY && tItemDistanceY < itemDistanceY)))
{
// If items are equal distance, use whichever is closer on the Y axis or further south
tItemDistanceX = itemDistanceX;
tItemDistanceY = itemDistanceY;
}
}
}
}
static u8 GetDirectionToHiddenItem(s16 itemDistanceX, s16 itemDistanceY)
{
s16 absX, absY;
if (itemDistanceX == 0 && itemDistanceY == 0)
return DIR_NONE; // player is standing on the item.
// Get absolute X distance.
if (itemDistanceX < 0)
absX = itemDistanceX * -1;
else
absX = itemDistanceX;
// Get absolute Y distance.
if (itemDistanceY < 0)
absY = itemDistanceY * -1;
else
absY = itemDistanceY;
if (absX > absY)
{
if (itemDistanceX < 0)
return DIR_EAST;
else
return DIR_NORTH;
}
else
{
if (absX < absY)
{
if (itemDistanceY < 0)
return DIR_SOUTH;
else
return DIR_WEST;
}
if (absX == absY)
{
if (itemDistanceY < 0)
return DIR_SOUTH;
else
return DIR_WEST;
}
return DIR_NONE; // Unreachable
}
}
static void PlayerFaceHiddenItem(u8 direction)
{
ObjectEventClearHeldMovementIfFinished(&gObjectEvents[GetObjectEventIdByLocalIdAndMap(OBJ_EVENT_ID_PLAYER, 0, 0)]);
ObjectEventClearHeldMovement(&gObjectEvents[GetObjectEventIdByLocalIdAndMap(OBJ_EVENT_ID_PLAYER, 0, 0)]);
UnfreezeObjectEvent(&gObjectEvents[GetObjectEventIdByLocalIdAndMap(OBJ_EVENT_ID_PLAYER, 0, 0)]);
PlayerTurnInPlace(direction);
}
static void Task_HiddenItemNearby(u8 taskId)
{
if (ObjectEventCheckHeldMovementStatus(&gObjectEvents[GetObjectEventIdByLocalIdAndMap(OBJ_EVENT_ID_PLAYER, 0, 0)]) == TRUE)
DisplayItemMessageOnField(taskId, sText_ItemFinderNearby, Task_CloseItemfinderMessage);
}
static void Task_StandingOnHiddenItem(u8 taskId)
{
s16 *data = gTasks[taskId].data;
if (ObjectEventCheckHeldMovementStatus(&gObjectEvents[GetObjectEventIdByLocalIdAndMap(OBJ_EVENT_ID_PLAYER, 0, 0)]) == TRUE
|| tItemFound == FALSE)
{
// Spin player around on item
PlayerFaceHiddenItem(sClockwiseDirections[tFacingDir]);
tItemFound = TRUE;
tFacingDir = (tFacingDir + 1) & 3;
tCounter++;
if (tCounter == 4)
DisplayItemMessageOnField(taskId, sText_ItemFinderOnTop, Task_CloseItemfinderMessage);
}
}
// Undefine itemfinder task data
#undef tItemDistanceX
#undef tItemDistanceY
#undef tItemFound
#undef tCounter
#undef tItemfinderBeeps
#undef tFacingDir
void ItemUseOutOfBattle_PokeblockCase(u8 taskId)
{
if (MenuHelpers_IsLinkActive() == TRUE)
{
DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].tUsingRegisteredKeyItem);
}
else if (gTasks[taskId].tUsingRegisteredKeyItem != TRUE)
{
gBagMenu->newScreenCallback = CB2_OpenPokeblockFromBag;
Task_FadeAndCloseBagMenu(taskId);
}
else
{
gFieldCallback = FieldCB_ReturnToFieldNoScript;
FadeScreen(FADE_TO_BLACK, 0);
gTasks[taskId].func = Task_OpenRegisteredPokeblockCase;
}
}
static void CB2_OpenPokeblockFromBag(void)
{
OpenPokeblockCase(PBLOCK_CASE_FIELD, CB2_ReturnToBagMenuPocket);
}
static void Task_OpenRegisteredPokeblockCase(u8 taskId)
{
if (!gPaletteFade.active)
{
CleanupOverworldWindowsAndTilemaps();
OpenPokeblockCase(PBLOCK_CASE_FIELD, CB2_ReturnToField);
DestroyTask(taskId);
}
}
void ItemUseOutOfBattle_PokemonBoxLink(u8 taskId)
{
sItemUseOnFieldCB = Task_AccessPokemonBoxLink;
SetUpItemUseOnFieldCallback(taskId);
}
static void Task_AccessPokemonBoxLink(u8 taskId)
{
ScriptContext_SetupScript(EventScript_AccessPokemonBoxLink);
DestroyTask(taskId);
}
void ItemUseOutOfBattle_CoinCase(u8 taskId)
{
ConvertIntToDecimalStringN(gStringVar1, GetCoins(), STR_CONV_MODE_LEFT_ALIGN, 4);
StringExpandPlaceholders(gStringVar4, sText_CoinCase);
if (!gTasks[taskId].tUsingRegisteredKeyItem)
{
DisplayItemMessage(taskId, FONT_NORMAL, gStringVar4, CloseItemMessage);
}
else
{
DisplayItemMessageOnField(taskId, gStringVar4, Task_CloseCantUseKeyItemMessage);
}
}
void ItemUseOutOfBattle_SampleBox(u8 taskId)
{
ConvertIntToDecimalStringN(gStringVar1, VarGet(VAR_MUD_SAMPLES), STR_CONV_MODE_LEFT_ALIGN, 4);
StringExpandPlaceholders(gStringVar4, gText_SampleBox);
if (!gTasks[taskId].tUsingRegisteredKeyItem)
{
DisplayItemMessage(taskId, FONT_NORMAL, gStringVar4, CloseItemMessage);
}
else
{
DisplayItemMessageOnField(taskId, gStringVar4, Task_CloseCantUseKeyItemMessage);
}
}
void ItemUseOutOfBattle_PowderJar(u8 taskId)
{
// ConvertIntToDecimalStringN(gStringVar1, GetBerryPowder(), STR_CONV_MODE_LEFT_ALIGN, 5);
StringExpandPlaceholders(gStringVar4, sText_PowderQty);
if (!gTasks[taskId].tUsingRegisteredKeyItem)
{
DisplayItemMessage(taskId, FONT_NORMAL, gStringVar4, CloseItemMessage);
}
else
{
DisplayItemMessageOnField(taskId, gStringVar4, Task_CloseCantUseKeyItemMessage);
}
}
void ItemUseOutOfBattle_Berry(u8 taskId)
{
if (IsPlayerFacingEmptyBerryTreePatch() == TRUE)
{
sItemUseOnFieldCB = ItemUseOnFieldCB_Berry;
gFieldCallback = FieldCB_UseItemOnField;
gBagMenu->newScreenCallback = CB2_ReturnToField;
Task_FadeAndCloseBagMenu(taskId);
}
else
{
ItemId_GetFieldFunc(gSpecialVar_ItemId)(taskId);
}
}
static void ItemUseOnFieldCB_Berry(u8 taskId)
{
RemoveBagItem(gSpecialVar_ItemId, 1);
LockPlayerFieldControls();
ScriptContext_SetupScript(BerryTree_EventScript_ItemUsePlantBerry);
DestroyTask(taskId);
}
void ItemUseOutOfBattle_WailmerPail(u8 taskId)
{
if (TryToWaterSudowoodo() == TRUE)
{
sItemUseOnFieldCB = ItemUseOnFieldCB_WailmerPailSudowoodo;
SetUpItemUseOnFieldCallback(taskId);
}
else if (TryToWaterBerryTree() == TRUE)
{
sItemUseOnFieldCB = ItemUseOnFieldCB_WailmerPailBerry;
SetUpItemUseOnFieldCallback(taskId);
}
else
{
DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].tUsingRegisteredKeyItem);
}
}
static void ItemUseOnFieldCB_WailmerPailBerry(u8 taskId)
{
LockPlayerFieldControls();
ScriptContext_SetupScript(BerryTree_EventScript_ItemUseWailmerPail);
DestroyTask(taskId);
}
void ItemUseOutOfBattle_Fertilizer(u8 taskId)
{
if (TryToWaterBerryTree() == TRUE)
{
sItemUseOnFieldCB = ItemUseOnFieldCB_Fertilizer;
SetUpItemUseOnFieldCallback(taskId);
}
else
{
DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].tUsingRegisteredKeyItem);
}
}
static void ItemUseOnFieldCB_Fertilizer(u8 taskId)
{
LockPlayerFieldControls();
ScriptContext_SetupScript(BerryTree_ItemUseFertilizer);
DestroyTask(taskId);
}
static bool8 TryToWaterSudowoodo(void)
{
s16 x, y;
u8 elevation;
u8 objId;
GetXYCoordsOneStepInFrontOfPlayer(&x, &y);
elevation = PlayerGetElevation();
objId = GetObjectEventIdByPosition(x, y, elevation);
if (objId == OBJECT_EVENTS_COUNT || gObjectEvents[objId].graphicsId != OBJ_EVENT_GFX_SUDOWOODO)
return FALSE;
else
return TRUE;
}
static void ItemUseOnFieldCB_WailmerPailSudowoodo(u8 taskId)
{
LockPlayerFieldControls();
ScriptContext_SetupScript(BattleFrontier_OutsideEast_EventScript_WaterSudowoodo);
DestroyTask(taskId);
}
void ItemUseOutOfBattle_Medicine(u8 taskId)
{
gItemUseCB = ItemUseCB_Medicine;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_AbilityCapsule(u8 taskId)
{
gItemUseCB = ItemUseCB_AbilityCapsule;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_AbilityPatch(u8 taskId)
{
gItemUseCB = ItemUseCB_AbilityPatch;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_Mint(u8 taskId)
{
gItemUseCB = ItemUseCB_Mint;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_ResetEVs(u8 taskId)
{
gItemUseCB = ItemUseCB_ResetEVs;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_ReduceEV(u8 taskId)
{
gItemUseCB = ItemUseCB_ReduceEV;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_IncreaseFriendship(u8 taskId)
{
gItemUseCB = ItemUseCB_IncreaseFriendship;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_SacredAsh(u8 taskId)
{
gItemUseCB = ItemUseCB_SacredAsh;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_PPRecovery(u8 taskId)
{
gItemUseCB = ItemUseCB_PPRecovery;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_PPUp(u8 taskId)
{
gItemUseCB = ItemUseCB_PPUp;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_RareCandy(u8 taskId)
{
gItemUseCB = ItemUseCB_RareCandy;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_DynamaxCandy(u8 taskId)
{
gItemUseCB = ItemUseCB_DynamaxCandy;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_TMHM(u8 taskId)
{
if (gSpecialVar_ItemId >= ITEM_HM01)
DisplayItemMessage(taskId, FONT_NORMAL, sText_BootedUpHM, BootUpSoundTMHM); // HM
else
DisplayItemMessage(taskId, FONT_NORMAL, sText_BootedUpTM, BootUpSoundTMHM); // TM
}
static void BootUpSoundTMHM(u8 taskId)
{
PlaySE(SE_PC_LOGIN);
gTasks[taskId].func = Task_ShowTMHMContainedMessage;
}