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path: root/src/party_menu_specials.c
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#include "global.h"
#include "gflib.h"
#include "data.h"
#include "script.h"
#include "overworld.h"
#include "party_menu.h"
#include "field_fadetransition.h"
#include "pokemon_summary_screen.h"
#include "event_data.h"
#include "constants/moves.h"

static void sub_80BF97C(u8 taskId);

void ChoosePartyMon(void)
{
    u8 taskId;

    ScriptContext2_Enable();
    taskId = CreateTask(sub_80BF97C, 10);
    gTasks[taskId].data[0] = PARTY_MENU_TYPE_CHOOSE_MON;
    BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 0x10, RGB_BLACK);
}

void SelectMoveTutorMon(void)
{
    u8 taskId;

    ScriptContext2_Enable();
    taskId = CreateTask(sub_80BF97C, 10);
    gTasks[taskId].data[0] = PARTY_MENU_TYPE_MOVE_RELEARNER;
    BeginNormalPaletteFade(0xFFFFFFFF, 0, 0, 0x10, RGB_BLACK);
}

static void sub_80BF97C(u8 taskId)
{
    if (!gPaletteFade.active)
    {
        gPaletteFade.bufferTransferDisabled = TRUE;
        ChoosePartyMonByMenuType((u8)gTasks[taskId].data[0]);
        DestroyTask(taskId);
    }
}

void SelectMoveDeleterMove(void)
{
    ShowSelectMovePokemonSummaryScreen(gPlayerParty, gSpecialVar_0x8004, gPlayerPartyCount - 1, CB2_ReturnToField, 0);
    SetPokemonSummaryScreenMode(PSS_MODE_FORGET_MOVE);
    gFieldCallback = FieldCB_ContinueScriptHandleMusic;
}

void GetNumMovesSelectedMonHas(void)
{
    u8 i;

    gSpecialVar_Result = 0;
    for (i = 0; i < MAX_MON_MOVES; ++i)
        if (GetMonData(&gPlayerParty[gSpecialVar_0x8004], MON_DATA_MOVE1 + i) != MOVE_NONE)
            ++gSpecialVar_Result;
}

void BufferMoveDeleterNicknameAndMove(void)
{
    struct Pokemon *mon = &gPlayerParty[gSpecialVar_0x8004];
    u16 move = GetMonData(mon, MON_DATA_MOVE1 + gSpecialVar_0x8005);

    GetMonNickname(mon, gStringVar1);
    StringCopy(gStringVar2, gMoveNames[move]);
}

static void ShiftMoveSlot(struct Pokemon *mon, u8 slotTo, u8 slotFrom)
{
    u16 move1 = GetMonData(mon, MON_DATA_MOVE1 + slotTo);
    u16 move0 = GetMonData(mon, MON_DATA_MOVE1 + slotFrom);
    u8 pp1 = GetMonData(mon, MON_DATA_PP1 + slotTo);
    u8 pp0 = GetMonData(mon, MON_DATA_PP1 + slotFrom);
    u8 ppBonuses = GetMonData(mon, MON_DATA_PP_BONUSES);
    u8 ppBonusMask1 = gPPUpGetMask[slotTo];
    u8 ppBonusMove1 = (ppBonuses & ppBonusMask1) >> (slotTo * 2);
    u8 ppBonusMask2 = gPPUpGetMask[slotFrom];
    u8 ppBonusMove2 = (ppBonuses & ppBonusMask2) >> (slotFrom * 2);

    ppBonuses &= ~ppBonusMask1;
    ppBonuses &= ~ppBonusMask2;
    ppBonuses |= (ppBonusMove1 << (slotFrom * 2)) + (ppBonusMove2 << (slotTo * 2));
    SetMonData(mon, MON_DATA_MOVE1 + slotTo, &move0);
    SetMonData(mon, MON_DATA_MOVE1 + slotFrom, &move1);
    SetMonData(mon, MON_DATA_PP1 + slotTo, &pp0);
    SetMonData(mon, MON_DATA_PP1 + slotFrom, &pp1);
    SetMonData(mon, MON_DATA_PP_BONUSES, &ppBonuses);
}

void MoveDeleterForgetMove(void)
{
    u16 i;

    SetMonMoveSlot(&gPlayerParty[gSpecialVar_0x8004], MOVE_NONE, gSpecialVar_0x8005);
    RemoveMonPPBonus(&gPlayerParty[gSpecialVar_0x8004], gSpecialVar_0x8005);
    for (i = gSpecialVar_0x8005; i < MAX_MON_MOVES - 1; ++i)
        ShiftMoveSlot(&gPlayerParty[gSpecialVar_0x8004], i, i + 1);
}

void IsSelectedMonEgg(void)
{
    if (GetMonData(&gPlayerParty[gSpecialVar_0x8004], MON_DATA_IS_EGG))
        gSpecialVar_Result = TRUE;
    else
        gSpecialVar_Result = FALSE;
}