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AI knows how to handle Illusion (#2726)

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* AI knows how to handle Illusion
This commit is contained in:
DizzyEggg 2023-02-27 09:12:52 +01:00 committed by GitHub
parent 44d2cc7232
commit 919fb184fe
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 80 additions and 15 deletions
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1
include/battle.h
View file

@ -252,6 +252,7 @@ struct AI_SavedBattleMon
u16 moves[MAX_MON_MOVES];
u16 heldItem;
u16 species;
u8 types[3];
};
struct AiPartyMon

66
src/battle_ai_util.c
View file

@ -538,23 +538,73 @@ void SaveBattlerData(u8 battlerId)
AI_THINKING_STRUCT->saved[battlerId].species = gBattleMons[battlerId].species;
for (i = 0; i < 4; i++)
AI_THINKING_STRUCT->saved[battlerId].moves[i] = gBattleMons[battlerId].moves[i];
AI_THINKING_STRUCT->saved[battlerId].types[0] = gBattleMons[battlerId].type1;
AI_THINKING_STRUCT->saved[battlerId].types[1] = gBattleMons[battlerId].type2;
}
}
static bool32 ShouldFailForIllusion(u16 illusionSpecies, u32 battlerId)
{
u32 i, j;
if (BATTLE_HISTORY->abilities[battlerId] == ABILITY_ILLUSION)
return FALSE;
// Don't fall for Illusion if the mon used a move it cannot know.
for (i = 0; i < MAX_MON_MOVES; i++)
{
u16 move = BATTLE_HISTORY->usedMoves[battlerId][i];
if (move == MOVE_NONE)
continue;
for (j = 0; gLevelUpLearnsets[illusionSpecies][j].move != MOVE_UNAVAILABLE; j++)
{
if (gLevelUpLearnsets[illusionSpecies][j].move == move)
break;
}
// The used move is in the learnsets of the fake species.
if (gLevelUpLearnsets[illusionSpecies][j].move != MOVE_UNAVAILABLE)
continue;
// The used move can be learned from Tm/Hm or Move Tutors.
if (CanLearnTeachableMove(illusionSpecies, move))
continue;
// 'Illegal move', AI won't fail for the illusion.
return FALSE;
}
return TRUE;
}
void SetBattlerData(u8 battlerId)
{
if (!IsBattlerAIControlled(battlerId))
{
struct Pokemon *illusionMon;
u32 i;
u32 i, species, illusionSpecies;
// Simulate Illusion
species = gBattleMons[battlerId].species;
illusionSpecies = GetIllusionMonSpecies(battlerId);
if (illusionSpecies != SPECIES_NONE && ShouldFailForIllusion(illusionSpecies, battlerId))
{
// If the battler's type has not been changed, AI assumes the types of the illusion mon.
if (gBattleMons[battlerId].type1 == gSpeciesInfo[species].types[0]
&& gBattleMons[battlerId].type2 == gSpeciesInfo[species].types[1])
{
gBattleMons[battlerId].type1 = gSpeciesInfo[illusionSpecies].types[0];
gBattleMons[battlerId].type2 = gSpeciesInfo[illusionSpecies].types[1];
}
species = illusionSpecies;
}
// Use the known battler's ability.
if (BATTLE_HISTORY->abilities[battlerId] != ABILITY_NONE)
gBattleMons[battlerId].ability = BATTLE_HISTORY->abilities[battlerId];
// Check if mon can only have one ability.
else if (gSpeciesInfo[gBattleMons[battlerId].species].abilities[1] == ABILITY_NONE
|| gSpeciesInfo[gBattleMons[battlerId].species].abilities[1] == gSpeciesInfo[gBattleMons[battlerId].species].abilities[0])
gBattleMons[battlerId].ability = gSpeciesInfo[gBattleMons[battlerId].species].abilities[0];
else if (gSpeciesInfo[species].abilities[1] == ABILITY_NONE
|| gSpeciesInfo[species].abilities[1] == gSpeciesInfo[species].abilities[0])
gBattleMons[battlerId].ability = gSpeciesInfo[species].abilities[0];
// The ability is unknown.
else
gBattleMons[battlerId].ability = ABILITY_NONE;
@ -567,10 +617,6 @@ void SetBattlerData(u8 battlerId)
if (BATTLE_HISTORY->usedMoves[battlerId][i] == 0)
gBattleMons[battlerId].moves[i] = 0;
}
// Simulate Illusion
if ((illusionMon = GetIllusionMonPtr(battlerId)) != NULL)
gBattleMons[battlerId].species = GetMonData(illusionMon, MON_DATA_SPECIES2);
}
}
@ -585,6 +631,8 @@ void RestoreBattlerData(u8 battlerId)
gBattleMons[battlerId].species = AI_THINKING_STRUCT->saved[battlerId].species;
for (i = 0; i < 4; i++)
gBattleMons[battlerId].moves[i] = AI_THINKING_STRUCT->saved[battlerId].moves[i];
gBattleMons[battlerId].type1 = AI_THINKING_STRUCT->saved[battlerId].types[0];
gBattleMons[battlerId].type2 = AI_THINKING_STRUCT->saved[battlerId].types[1];
}
}

28
src/battle_util.c
View file

@ -9817,6 +9817,18 @@ static void MulByTypeEffectiveness(u16 *modifier, u16 move, u8 moveType, u8 batt
MulModifier(modifier, mod);
}
static void TryNoticeIllusionInTypeEffectiveness(u32 move, u32 moveType, u32 battlerAtk, u32 battlerDef, u16 resultingModifier, u32 illusionSpecies)
{
// Check if the type effectiveness would've been different if the pokemon really had the types as the disguise.
u16 presumedModifier = UQ_4_12(1.0);
MulByTypeEffectiveness(&presumedModifier, move, moveType, battlerDef, gSpeciesInfo[illusionSpecies].types[0], battlerAtk, FALSE);
if (gSpeciesInfo[illusionSpecies].types[1] != gSpeciesInfo[illusionSpecies].types[0])
MulByTypeEffectiveness(&presumedModifier, move, moveType, battlerDef, gSpeciesInfo[illusionSpecies].types[1], battlerAtk, FALSE);
if (presumedModifier != resultingModifier)
RecordAbilityBattle(battlerDef, ABILITY_ILLUSION);
}
static void UpdateMoveResultFlags(u16 modifier)
{
if (modifier == UQ_4_12(0.0))
@ -9842,6 +9854,7 @@ static void UpdateMoveResultFlags(u16 modifier)
static u16 CalcTypeEffectivenessMultiplierInternal(u16 move, u8 moveType, u8 battlerAtk, u8 battlerDef, bool32 recordAbilities, u16 modifier)
{
u32 illusionSpecies;
u16 defAbility = GetBattlerAbility(battlerDef);
MulByTypeEffectiveness(&modifier, move, moveType, battlerDef, gBattleMons[battlerDef].type1, battlerAtk, recordAbilities);
@ -9851,15 +9864,18 @@ static u16 CalcTypeEffectivenessMultiplierInternal(u16 move, u8 moveType, u8 bat
&& gBattleMons[battlerDef].type3 != gBattleMons[battlerDef].type1)
MulByTypeEffectiveness(&modifier, move, moveType, battlerDef, gBattleMons[battlerDef].type3, battlerAtk, recordAbilities);
if (recordAbilities && (illusionSpecies = GetIllusionMonSpecies(battlerDef)))
TryNoticeIllusionInTypeEffectiveness(move, moveType, battlerAtk, battlerDef, modifier, illusionSpecies);
if (gBattleMoves[move].split == SPLIT_STATUS && move != MOVE_THUNDER_WAVE)
{
modifier = UQ_4_12(1.0);
#if B_GLARE_GHOST <= GEN_3
if (move == MOVE_GLARE && IS_BATTLER_OF_TYPE(battlerDef, TYPE_GHOST))
{
modifier = UQ_4_12(0.0);
}
#endif
#if B_GLARE_GHOST <= GEN_3
if (move == MOVE_GLARE && IS_BATTLER_OF_TYPE(battlerDef, TYPE_GHOST))
{
modifier = UQ_4_12(0.0);
}
#endif
}
else if (moveType == TYPE_GROUND && !IsBattlerGrounded2(battlerDef, TRUE) && !(gBattleMoves[move].flags & FLAG_DMG_UNGROUNDED_IGNORE_TYPE_IF_FLYING))
{