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Implement FORM_ITEM_USE. Credits to Lunos for work on Gracidea

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ExpoSeed 2021-03-03 13:54:25 -06:00
parent 6f64c1b2b9
commit 07af84db8a
4 changed files with 51 additions and 0 deletions
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2
include/item_use.h
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@ -23,6 +23,8 @@ void ItemUseOutOfBattle_BlackWhiteFlute(u8);
void ItemUseOutOfBattle_EvolutionStone(u8); void ItemUseOutOfBattle_EvolutionStone(u8);
void ItemUseOutOfBattle_Berry(u8); void ItemUseOutOfBattle_Berry(u8);
void ItemUseOutOfBattle_EnigmaBerry(u8); void ItemUseOutOfBattle_EnigmaBerry(u8);
void ItemUseOutOfBattle_FormChange(u8);
void ItemUseOutOfBattle_FormChange_ConsumedOnUse(u8);
void ItemUseOutOfBattle_CannotUse(u8); void ItemUseOutOfBattle_CannotUse(u8);
void ItemUseInBattle_PokeBall(u8); void ItemUseInBattle_PokeBall(u8);
void ItemUseInBattle_StatIncrease(u8); void ItemUseInBattle_StatIncrease(u8);

1
include/party_menu.h
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@ -59,6 +59,7 @@ void ItemUseCB_TMHM(u8 taskId, TaskFunc task);
void ItemUseCB_RareCandy(u8 taskId, TaskFunc task); void ItemUseCB_RareCandy(u8 taskId, TaskFunc task);
void ItemUseCB_SacredAsh(u8 taskId, TaskFunc task); void ItemUseCB_SacredAsh(u8 taskId, TaskFunc task);
void ItemUseCB_EvolutionStone(u8 taskId, TaskFunc task); void ItemUseCB_EvolutionStone(u8 taskId, TaskFunc task);
void ItemUseCB_FormChange(u8 taskId, TaskFunc task);
u8 GetItemEffectType(u16 item); u8 GetItemEffectType(u16 item);
void CB2_PartyMenuFromStartMenu(void); void CB2_PartyMenuFromStartMenu(void);
void CB2_ChooseMonToGiveItem(void); void CB2_ChooseMonToGiveItem(void);

14
src/item_use.c
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@ -1118,6 +1118,20 @@ void ItemUseInBattle_EnigmaBerry(u8 taskId)
} }
} }
void ItemUseOutOfBattle_FormChange(u8 taskId)
{
gItemUseCB = ItemUseCB_FormChange;
gTasks[taskId].data[0] = FALSE;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_FormChange_ConsumedOnUse(u8 taskId)
{
gItemUseCB = ItemUseCB_FormChange;
gTasks[taskId].data[0] = TRUE;
SetUpItemUseCallback(taskId);
}
void ItemUseOutOfBattle_CannotUse(u8 taskId) void ItemUseOutOfBattle_CannotUse(u8 taskId)
{ {
DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].tUsingRegisteredKeyItem); DisplayDadsAdviceCannotUseItemMessage(taskId, gTasks[taskId].tUsingRegisteredKeyItem);

34
src/party_menu.c
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@ -409,6 +409,8 @@ static bool8 SetUpFieldMove_Dive(void);
#include "data/pokemon/tutor_learnsets.h" #include "data/pokemon/tutor_learnsets.h"
#include "data/party_menu.h" #include "data/party_menu.h"
static const u8 ChangedForm[] = _("{STR_VAR_1} changed Forme!{PAUSE_UNTIL_PRESS}");
// code // code
static void InitPartyMenu(u8 menuType, u8 layout, u8 partyAction, bool8 keepCursorPos, u8 messageId, TaskFunc task, MainCallback callback) static void InitPartyMenu(u8 menuType, u8 layout, u8 partyAction, bool8 keepCursorPos, u8 messageId, TaskFunc task, MainCallback callback)
{ {
@ -5165,6 +5167,38 @@ void ItemUseCB_EvolutionStone(u8 taskId, TaskFunc task)
} }
} }
void ItemUseCB_FormChange(u8 taskId, TaskFunc task)
{
struct Pokemon *mon = &gPlayerParty[gPartyMenu.slotId];
u16 species = GetMonData(mon, MON_DATA_SPECIES);
u16 targetSpecies = GetFormChangeTargetSpecies(mon, FORM_ITEM_USE, gSpecialVar_ItemId);
if (targetSpecies != SPECIES_NONE)
{
gPartyMenuUseExitCallback = TRUE;
PlaySE(SE_USE_ITEM);
PlayCry2(targetSpecies, 0, 0x7D, 0xA);
SetMonData(mon, MON_DATA_SPECIES, &targetSpecies);
FreeAndDestroyMonIconSprite(&gSprites[sPartyMenuBoxes[gPartyMenu.slotId].monSpriteId]);
CreatePartyMonIconSpriteParameterized(targetSpecies, GetMonData(mon, MON_DATA_PERSONALITY, NULL), &sPartyMenuBoxes[gPartyMenu.slotId], 0);
CalculateMonStats(mon);
GetMonNickname(mon, gStringVar1);
StringExpandPlaceholders(gStringVar4, ChangedForm);
DisplayPartyMenuMessage(gStringVar4, FALSE);
if (gTasks[taskId].data[0] == TRUE)
RemoveBagItem(gSpecialVar_ItemId, 1);
ScheduleBgCopyTilemapToVram(2);
gTasks[taskId].func = task;
}
else
{
gPartyMenuUseExitCallback = FALSE;
PlaySE(SE_SELECT);
DisplayPartyMenuMessage(gText_WontHaveEffect, TRUE);
ScheduleBgCopyTilemapToVram(2);
gTasks[taskId].func = task;
}
}
u8 GetItemEffectType(u16 item) u8 GetItemEffectType(u16 item)
{ {
const u8 *itemEffect; const u8 *itemEffect;