diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/battle/battle_4.c | 4 | ||||
| -rw-r--r-- | src/pokemon/pokemon_item_effect.c | 541 |
2 files changed, 542 insertions, 3 deletions
diff --git a/src/battle/battle_4.c b/src/battle/battle_4.c index ae8f94130..6b048f0ab 100644 --- a/src/battle/battle_4.c +++ b/src/battle/battle_4.c @@ -147,7 +147,7 @@ void ReshowBattleScreenAfterMenu(void); void BattleMainCB2(void); void AddMoney(u32* moneySaveblock, u32 to_give); u8 CountAliveMons(u8 caseID); -void sub_803E1B0(struct Pokemon*, u16 item, u8 partyID, u8 r3, u8 sp); +void PokemonUseItemEffects(struct Pokemon*, u16 item, u8 partyID, u8 r3, u8 sp); u8 CanRunFromBattle(void); u8 GetMoveTarget(u16 move, u8 targetbyte); //get target of move u8 CastformDataTypeChange(u8 bank); @@ -11996,7 +11996,7 @@ static void atk74_hpthresholds2(void) static void atk75_useitemonopponent(void) { gBankInMenu = gBankAttacker; - sub_803E1B0(&gEnemyParty[gBattlePartyID[gBankAttacker]], gLastUsedItem, gBattlePartyID[gBankAttacker], 0, 1); + PokemonUseItemEffects(&gEnemyParty[gBattlePartyID[gBankAttacker]], gLastUsedItem, gBattlePartyID[gBankAttacker], 0, 1); gBattlescriptCurrInstr += 1; } diff --git a/src/pokemon/pokemon_item_effect.c b/src/pokemon/pokemon_item_effect.c index 66f2ff697..4ebece3b3 100644 --- a/src/pokemon/pokemon_item_effect.c +++ b/src/pokemon/pokemon_item_effect.c @@ -1,7 +1,32 @@ #include "global.h" +#include "constants/battle_constants.h" +#include "constants/hold_effects.h" +#include "constants/items.h" +#include "constants/species.h" +#include "battle.h" +#include "evolution_scene.h" +#include "ewram.h" +#include "item.h" +#include "main.h" +#include "overworld.h" #include "pokemon.h" +#include "pokemon_item_effect.h" +#include "rom_8077ABC.h" +#include "rom_8094928.h" +#include "util.h" -const u8 gUnknown_082082F2[] = { +extern s32 gBattleMoveDamage; +extern u8 gAbsentBankFlags; +extern u8 gBankInMenu; +extern u8 gNoOfAllBanks; +extern u16 gBattlePartyID[]; +extern u8 gActiveBank; +extern u8 gStringBank; +extern struct BattlePokemon gBattleMons[]; +extern struct BattleEnigmaBerry gEnigmaBerries[]; + +static const u8 sGetMonDataEVConstants[] = +{ MON_DATA_HP_EV, MON_DATA_ATK_EV, MON_DATA_DEF_EV, @@ -9,3 +34,517 @@ const u8 gUnknown_082082F2[] = { MON_DATA_SPDEF_EV, MON_DATA_SPATK_EV }; + +extern u8 gUnknown_08208238[]; +extern u8 gUnknown_0820823C[]; +extern u8 gUnknown_08208240[]; + +bool8 PokemonUseItemEffects(struct Pokemon *pkmn, u16 item, u8 partyIndex, u8 moveIndex, u8 e); + +bool8 ExecuteTableBasedItemEffect_(struct Pokemon *pkmn, u16 item, u8 partyIndex, u8 moveIndex) +{ + return PokemonUseItemEffects(pkmn, item, partyIndex, moveIndex, 0); +} + +bool8 PokemonUseItemEffects(struct Pokemon *pkmn, u16 item, u8 partyIndex, u8 moveIndex, u8 e) +{ + u32 data; + s32 friendship; + s32 cmdIndex; + bool8 retVal = TRUE; + const u8 *itemEffect; + u8 sp24 = 6; + u32 sp28; + s8 sp2C = 0; + u8 holdEffect; + u8 sp34 = 4; + u16 heldItem; + u8 r10; + u32 r4; + + heldItem = GetMonData(pkmn, MON_DATA_HELD_ITEM, NULL); + if (heldItem == ITEM_ENIGMA_BERRY) + { + if (gMain.inBattle) + holdEffect = gEnigmaBerries[gBankInMenu].holdEffect; + else + holdEffect = gSaveBlock1.enigmaBerry.holdEffect; + } + else + { + holdEffect = ItemId_GetHoldEffect(heldItem); + } + + gStringBank = gBankInMenu; + if (gMain.inBattle) + { + gActiveBank = gBankInMenu; + cmdIndex = (GetBankSide(gActiveBank) != 0); + while (cmdIndex < gNoOfAllBanks) + { + if (gBattlePartyID[cmdIndex] == partyIndex) + { + sp34 = cmdIndex; + break; + } + cmdIndex += 2; + } + } + else + { + gActiveBank = 0; + sp34 = 4; + } + + if (!IS_POKEMON_ITEM(item)) + return TRUE; + if (gItemEffectTable[item - 13] == NULL && item != ITEM_ENIGMA_BERRY) + return TRUE; + + if (item == ITEM_ENIGMA_BERRY) + { + if (gMain.inBattle) + itemEffect = gEnigmaBerries[gActiveBank].itemEffect; + else + itemEffect = gSaveBlock1.enigmaBerry.itemEffect; + } + else + { + itemEffect = gItemEffectTable[item - 13]; + } + + for (cmdIndex = 0; cmdIndex < 6; cmdIndex++) + { + switch (cmdIndex) + { + // status healing effects + case 0: + if ((itemEffect[cmdIndex] & 0x80) + && gMain.inBattle && sp34 != 4 && (gBattleMons[sp34].status2 & STATUS2_INFATUATION)) + { + gBattleMons[sp34].status2 &= ~STATUS2_INFATUATION; + retVal = FALSE; + } + if ((itemEffect[cmdIndex] & 0x30) + && !(gBattleMons[gActiveBank].status2 & STATUS2_FOCUS_ENERGY)) + { + gBattleMons[gActiveBank].status2 |= STATUS2_FOCUS_ENERGY; + retVal = FALSE; + } + if ((itemEffect[cmdIndex] & 0xF) + && gBattleMons[gActiveBank].statStages[STAT_STAGE_ATK] < 12) + { + gBattleMons[gActiveBank].statStages[STAT_STAGE_ATK] += itemEffect[cmdIndex] & 0xF; + if (gBattleMons[gActiveBank].statStages[STAT_STAGE_ATK] > 12) + gBattleMons[gActiveBank].statStages[STAT_STAGE_ATK] = 12; + retVal = FALSE; + } + break; + // in-battle stat boosting effects? + case 1: + if ((itemEffect[cmdIndex] & 0xF0) + && gBattleMons[gActiveBank].statStages[STAT_STAGE_DEF] < 12) + { + gBattleMons[gActiveBank].statStages[STAT_STAGE_DEF] += (itemEffect[cmdIndex] & 0xF0) >> 4; + if (gBattleMons[gActiveBank].statStages[STAT_STAGE_DEF] > 12) + gBattleMons[gActiveBank].statStages[STAT_STAGE_DEF] = 12; + retVal = FALSE; + } + if ((itemEffect[cmdIndex] & 0xF) + && gBattleMons[gActiveBank].statStages[STAT_STAGE_SPEED] < 12) + { + gBattleMons[gActiveBank].statStages[STAT_STAGE_SPEED] += itemEffect[cmdIndex] & 0xF; + if (gBattleMons[gActiveBank].statStages[STAT_STAGE_SPEED] > 12) + gBattleMons[gActiveBank].statStages[STAT_STAGE_SPEED] = 12; + retVal = FALSE; + } + break; + // more stat boosting effects? + case 2: + if ((itemEffect[cmdIndex] & 0xF0) + && gBattleMons[gActiveBank].statStages[STAT_STAGE_ACC] < 12) + { + gBattleMons[gActiveBank].statStages[STAT_STAGE_ACC] += (itemEffect[cmdIndex] & 0xF0) >> 4; + if (gBattleMons[gActiveBank].statStages[STAT_STAGE_ACC] > 12) + gBattleMons[gActiveBank].statStages[STAT_STAGE_ACC] = 12; + retVal = FALSE; + } + if ((itemEffect[cmdIndex] & 0xF) + && gBattleMons[gActiveBank].statStages[STAT_STAGE_SPATK] < 12) + { + gBattleMons[gActiveBank].statStages[STAT_STAGE_SPATK] += itemEffect[cmdIndex] & 0xF; + if (gBattleMons[gActiveBank].statStages[STAT_STAGE_SPATK] > 12) + gBattleMons[gActiveBank].statStages[STAT_STAGE_SPATK] = 12; + retVal = FALSE; + } + break; + case 3: + if ((itemEffect[cmdIndex] & 0x80) + && gSideTimers[GetBankSide(gActiveBank)].mistTimer == 0) + { + gSideTimers[GetBankSide(gActiveBank)].mistTimer = 5; + retVal = FALSE; + } + if ((itemEffect[cmdIndex] & 0x40) // raise level + && GetMonData(pkmn, MON_DATA_LEVEL, NULL) != 100) + { + data = gExperienceTables[gBaseStats[GetMonData(pkmn, MON_DATA_SPECIES, NULL)].growthRate][GetMonData(pkmn, MON_DATA_LEVEL, NULL) + 1]; + SetMonData(pkmn, MON_DATA_EXP, &data); + CalculateMonStats(pkmn); + retVal = FALSE; + } + if ((itemEffect[cmdIndex] & 0x20) + && HealStatusConditions(pkmn, partyIndex, 7, sp34) == 0) + { + if (sp34 != 4) + gBattleMons[sp34].status2 &= ~STATUS2_NIGHTMARE; + retVal = FALSE; + } + if ((itemEffect[cmdIndex] & 0x10) && HealStatusConditions(pkmn, partyIndex, 0xF88, sp34) == 0) + retVal = FALSE; + if ((itemEffect[cmdIndex] & 8) && HealStatusConditions(pkmn, partyIndex, 16, sp34) == 0) + retVal = FALSE; + if ((itemEffect[cmdIndex] & 4) && HealStatusConditions(pkmn, partyIndex, 32, sp34) == 0) + retVal = FALSE; + if ((itemEffect[cmdIndex] & 2) && HealStatusConditions(pkmn, partyIndex, 64, sp34) == 0) + retVal = FALSE; + if ((itemEffect[cmdIndex] & 1) // heal confusion + && gMain.inBattle && sp34 != 4 && (gBattleMons[sp34].status2 & STATUS2_CONFUSION)) + { + gBattleMons[sp34].status2 &= ~STATUS2_CONFUSION; + retVal = FALSE; + } + break; + // EV, HP, and PP raising effects + case 4: + r10 = itemEffect[cmdIndex]; + if (r10 & 0x20) + { + r10 &= ~0x20; + data = (GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL) & gUnknown_08208238[moveIndex]) >> (moveIndex * 2); + sp28 = CalculatePPWithBonus(GetMonData(pkmn, MON_DATA_MOVE1 + moveIndex, NULL), GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL), moveIndex); + if (data <= 2 && sp28 > 4) + { + data = GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL) + gUnknown_08208240[moveIndex]; + SetMonData(pkmn, MON_DATA_PP_BONUSES, &data); + + data = CalculatePPWithBonus(GetMonData(pkmn, MON_DATA_MOVE1 + moveIndex, NULL), data, moveIndex) - sp28; + data = GetMonData(pkmn, MON_DATA_PP1 + moveIndex, NULL) + data; + SetMonData(pkmn, MON_DATA_PP1 + moveIndex, &data); + retVal = FALSE; + } + } + sp28 = 0; + while (r10 != 0) + { + if (r10 & 1) + { + u16 evCount; + s32 r5; + + switch (sp28) + { + case 0: + case 1: + evCount = GetMonEVCount(pkmn); + if (evCount >= 510) + return TRUE; + data = GetMonData(pkmn, sGetMonDataEVConstants[sp28], NULL); + if (data < 100) + { + if (data + itemEffect[sp24] > 100) + r4 = 100 - (data + itemEffect[sp24]) + itemEffect[sp24]; + else + r4 = itemEffect[sp24]; + if (evCount + r4 > 510) + r4 += 510 - (evCount + r4); + data += r4; + SetMonData(pkmn, sGetMonDataEVConstants[sp28], &data); + CalculateMonStats(pkmn); + sp24++; + retVal = FALSE; + } + break; + case 2: + // revive? + if (r10 & 0x10) + { + if (GetMonData(pkmn, MON_DATA_HP, NULL) != 0) + { + sp24++; + break; + } + if (gMain.inBattle) + { + if (sp34 != 4) + { + gAbsentBankFlags &= ~gBitTable[sp34]; + CopyPlayerPartyMonToBattleData(sp34, pokemon_order_func(gBattlePartyID[sp34])); + if (GetBankSide(gActiveBank) == 0 && gBattleResults.unk4 < 255) + gBattleResults.unk4++; + } + else + { + gAbsentBankFlags &= ~gBitTable[gActiveBank ^ 2]; + if (GetBankSide(gActiveBank) == 0 && gBattleResults.unk4 < 255) + gBattleResults.unk4++; + } + } + } + else + { + if (GetMonData(pkmn, MON_DATA_HP, NULL) == 0) + { + sp24++; + break; + } + } + data = itemEffect[sp24++]; + switch (data) + { + case 0xFF: + data = GetMonData(pkmn, MON_DATA_MAX_HP, NULL) - GetMonData(pkmn, MON_DATA_HP, NULL); + break; + case 0xFE: + data = GetMonData(pkmn, MON_DATA_MAX_HP, NULL) / 2; + if (data == 0) + data = 1; + break; + case 0xFD: + data = eStatHp; + break; + } + if (GetMonData(pkmn, MON_DATA_MAX_HP, NULL) != GetMonData(pkmn, MON_DATA_HP, NULL)) + { + if (e == 0) + { + data = GetMonData(pkmn, MON_DATA_HP, NULL) + data; + if (data > GetMonData(pkmn, MON_DATA_MAX_HP, NULL)) + data = GetMonData(pkmn, MON_DATA_MAX_HP, NULL); + SetMonData(pkmn, MON_DATA_HP, &data); + if (gMain.inBattle && sp34 != 4) + { + gBattleMons[sp34].hp = data; + if (!(r10 & 0x10) && GetBankSide(gActiveBank) == 0) + { + if (gBattleResults.unk3 < 255) + gBattleResults.unk3++; + // I have to re-use this variable to match. + r5 = gActiveBank; + gActiveBank = sp34; + EmitGetAttributes(0, 0, 0); + MarkBufferBankForExecution(gActiveBank); + gActiveBank = r5; + } + } + } + else + { + gBattleMoveDamage = -data; + } + retVal = FALSE; + } + r10 &= 0xEF; + break; + case 3: + if (!(r10 & 2)) + { + for (r5 = 0; r5 < 4; r5++) + { + u16 r4; + + data = GetMonData(pkmn, MON_DATA_PP1 + r5, NULL); + r4 = GetMonData(pkmn, MON_DATA_MOVE1 + r5, NULL); + if (data != CalculatePPWithBonus(r4, GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL), r5)) + { + data += itemEffect[sp24]; + r4 = GetMonData(pkmn, MON_DATA_MOVE1 + r5, NULL); + if (data > CalculatePPWithBonus(r4, GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL), r5)) + { + r4 = GetMonData(pkmn, MON_DATA_MOVE1 + r5, NULL); + data = CalculatePPWithBonus(r4, GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL), r5); + } + SetMonData(pkmn, MON_DATA_PP1 + r5, &data); + if (gMain.inBattle + && sp34 != 4 && !(gBattleMons[sp34].status2 & 0x200000) + && !(gDisableStructs[sp34].unk18_b & gBitTable[r5])) + gBattleMons[sp34].pp[r5] = data; + retVal = FALSE; + } + } + sp24++; + } + else + { + u16 r4; + + data = GetMonData(pkmn, MON_DATA_PP1 + moveIndex, NULL); + r4 = GetMonData(pkmn, MON_DATA_MOVE1 + moveIndex, NULL); + if (data != CalculatePPWithBonus(r4, GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL), moveIndex)) + { + data += itemEffect[sp24++]; + r4 = GetMonData(pkmn, MON_DATA_MOVE1 + moveIndex, NULL); + if (data > CalculatePPWithBonus(r4, GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL), moveIndex)) + { + r4 = GetMonData(pkmn, MON_DATA_MOVE1 + moveIndex, NULL); + data = CalculatePPWithBonus(r4, GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL), moveIndex); + } + SetMonData(pkmn, MON_DATA_PP1 + moveIndex, &data); + if (gMain.inBattle + && sp34 != 4 && !(gBattleMons[sp34].status2 & 0x200000) + && !(gDisableStructs[sp34].unk18_b & gBitTable[moveIndex])) + gBattleMons[sp34].pp[moveIndex] = data; + retVal = FALSE; + } + } + break; + case 7: + { + u16 targetSpecies = GetEvolutionTargetSpecies(pkmn, 2, item); + + if (targetSpecies != SPECIES_NONE) + { + BeginEvolutionScene(pkmn, targetSpecies, 0, partyIndex); + return FALSE; + } + } + break; + } + } + sp28++; + r10 >>= 1; + } + break; + case 5: + r10 = itemEffect[cmdIndex]; + sp28 = 0; + while (r10 != 0) + { + if (r10 & 1) + { + u16 evCount; + + switch (sp28) + { + case 0: + case 1: + case 2: + case 3: + evCount = GetMonEVCount(pkmn); + if (evCount >= 510) + return TRUE; + data = GetMonData(pkmn, sGetMonDataEVConstants[sp28 + 2], NULL); + if (data < 100) + { + if (data + itemEffect[sp24] > 100) + r4 = 100 - (data + itemEffect[sp24]) + itemEffect[sp24]; + else + r4 = itemEffect[sp24]; + if (evCount + r4 > 510) + r4 += 510 - (evCount + r4); + data += r4; + SetMonData(pkmn, sGetMonDataEVConstants[sp28 + 2], &data); + CalculateMonStats(pkmn); + retVal = FALSE; + sp24++; + } + break; + case 4: + data = (GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL) & gUnknown_08208238[moveIndex]) >> (moveIndex * 2); + if (data < 3) + { + r4 = CalculatePPWithBonus(GetMonData(pkmn, MON_DATA_MOVE1 + moveIndex, NULL), GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL), moveIndex); + data = GetMonData(pkmn, MON_DATA_PP_BONUSES, NULL); + data &= gUnknown_0820823C[moveIndex]; + data += gUnknown_08208240[moveIndex] * 3; + + SetMonData(pkmn, MON_DATA_PP_BONUSES, &data); + data = CalculatePPWithBonus(GetMonData(pkmn, MON_DATA_MOVE1 + moveIndex, NULL), data, moveIndex) - r4; + data = GetMonData(pkmn, MON_DATA_PP1 + moveIndex, NULL) + data; + SetMonData(pkmn, MON_DATA_PP1 + moveIndex, &data); + retVal = FALSE; + } + break; + case 5: + if (GetMonData(pkmn, MON_DATA_FRIENDSHIP, NULL) < 100 && retVal == 0 && sp2C == 0) + { + sp2C = itemEffect[sp24]; + friendship = GetMonData(pkmn, MON_DATA_FRIENDSHIP, NULL); + if (sp2C > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP) + friendship += 150 * sp2C / 100; + else + friendship += sp2C; + if (sp2C > 0) + { + if (GetMonData(pkmn, MON_DATA_POKEBALL, NULL) == 11) + friendship++; + if (GetMonData(pkmn, MON_DATA_MET_LOCATION, NULL) == sav1_map_get_name()) + friendship++; + } + if (friendship < 0) + friendship = 0; + if (friendship > 255) + friendship = 255; + SetMonData(pkmn, MON_DATA_FRIENDSHIP, &friendship); + } + sp24++; + break; + case 6: + if (GetMonData(pkmn, MON_DATA_FRIENDSHIP, NULL) >= 100 && GetMonData(pkmn, MON_DATA_FRIENDSHIP, NULL) < 200 + && retVal == 0 && sp2C == 0) + { + sp2C = itemEffect[sp24]; + friendship = GetMonData(pkmn, MON_DATA_FRIENDSHIP, NULL); + if (sp2C > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP) + friendship += 150 * sp2C / 100; + else + friendship += sp2C; + if (sp2C > 0) + { + if (GetMonData(pkmn, MON_DATA_POKEBALL, NULL) == 11) + friendship++; + if (GetMonData(pkmn, MON_DATA_MET_LOCATION, NULL) == sav1_map_get_name()) + friendship++; + } + if (friendship < 0) + friendship = 0; + if (friendship > 255) + friendship = 255; + SetMonData(pkmn, MON_DATA_FRIENDSHIP, &friendship); + } + sp24++; + break; + case 7: + if (GetMonData(pkmn, MON_DATA_FRIENDSHIP, NULL) >= 200 && retVal == 0 && sp2C == 0) + { + sp2C = itemEffect[sp24]; + friendship = GetMonData(pkmn, MON_DATA_FRIENDSHIP, NULL); + if (sp2C > 0 && holdEffect == HOLD_EFFECT_HAPPINESS_UP) + friendship += 150 * sp2C / 100; + else + friendship += sp2C; + if (sp2C > 0) + { + if (GetMonData(pkmn, MON_DATA_POKEBALL, NULL) == 11) + friendship++; + if (GetMonData(pkmn, MON_DATA_MET_LOCATION, NULL) == sav1_map_get_name()) + friendship++; + } + if (friendship < 0) + friendship = 0; + if (friendship > 255) + friendship = 255; + SetMonData(pkmn, MON_DATA_FRIENDSHIP, &friendship); + } + sp24++; + break; + } + } + sp28++; + r10 >>= 1; + } + break; + } + } + return retVal; +} |