public int[] CalcDamage(RbyPokemon attacker, RbyPokemon defender, RbyMove move, bool crit)
{
int[] ret = new int[39];
for (int i = 0; i < ret.Length; i++)
{
ret[i] = CalcDamage(attacker, defender, move, i + 217, crit);
}
return(ret);
}
// Code ported from route one. (https://github.com/HRoll/poke-router/blob/master/src/DamageCalculator.java)
public int CalcDamage(RbyPokemon attacker, RbyPokemon defender, RbyMove move, int damageRoll, bool crit)
{
damageRoll = Math.Clamp(damageRoll, 217, 255);
if (move.Power == 0)
{
return(0);
}
bool special = move.Type.IsSpecial();
int attackUnmodified = special ? attacker.UnmodifiedSpecial : attacker.UnmodifiedAttack;
int attack = special ? attacker.Special : attacker.Attack;
int defenseUnmodified = special ? defender.UnmodifiedSpecial : defender.UnmodifiedDefense;
int defense = special ? defender.Special : defender.Defense;
if (move.Name == "SELFDESTRUCT" || move.Name == "EXPLOSION")
{
defenseUnmodified = Math.Max(defenseUnmodified / 2, 1);
defense = Math.Max(defense / 2, 1);
}
bool stab = attacker.Species.Type1 == move.Type || attacker.Species.Type2 == move.Type;
int damage = ((attacker.Level * (crit ? 2 : 1)) & 0xff) * 2 / 5 + 2;
damage *= crit ? attackUnmodified : attack;
damage *= move.Power;
damage /= 50;
damage /= crit ? defenseUnmodified : defense;
damage += 2;
if (stab)
{
damage = damage * 3 / 2;
}
damage = damage * move.Game.GetTypeEffectiveness(move.Type, defender.Species.Type1) / 10;
damage = damage * move.Game.GetTypeEffectiveness(move.Type, defender.Species.Type2) / 10;
if (damage == 0)
{
return(0);
}
damage *= damageRoll;
damage /= 255;
return(Math.Max(damage, 1));
}
private void ForceTurnInternal(RbyTurn turn)
{
int random = SYM["Random"] + 0x10;
int playerTurnDone1 = SYM["MainInBattleLoop.playerMovesFirst"] + 0x3;
int playerTurnDone2 = SYM["MainInBattleLoop.AIActionUsedEnemyFirst"] + 0xc;
int playerTurnDone3 = SYM["HandlePlayerMonFainted"];
int enemyTurnDone1 = SYM["MainInBattleLoop.enemyMovesFirst"] + 0x11;
int enemyTurnDone2 = SYM["MainInBattleLoop.playerMovesFirst"] + 0x27;
int enemyTurnDone3 = SYM["HandleEnemyMonFainted"];
int ret;
Joypad holdButton = Joypad.None;
if ((CpuRead("wOptions") & 0x7) != 1)
{
holdButton = Joypad.A;
}
string[] sideEffects =
{
"FreezeBurnParalyzeEffect",
"StatModifierDownEffect",
"PoisonEffect",
"ConfusionSideEffect",
"FlinchSideEffect"
};
while ((ret = ClearTextUntil(holdButton, random, playerTurnDone1, playerTurnDone2, playerTurnDone3, enemyTurnDone1, enemyTurnDone2, enemyTurnDone3)) == random)
{
int addr = CpuReadLE <ushort>(SP);
if (addr > 0x4000)
{
addr |= CpuRead("hLoadedROMBank") << 16;
}
string address = SYM[addr];
RunUntil(addr);
if (!address.StartsWith("VBlank"))
{
if (address.StartsWith("MoveHitTest")) // hit/miss
{
A = (turn.Flags & Miss) > 0 ? 0xff : 0x00;
}
else if (address.StartsWith("CriticalHitTest")) // crit
{
A = (turn.Flags & Crit) > 0 ? 0x00 : 0xff;
}
else if (address.StartsWith("RandomizeDamage")) // damage roll
{
int roll = turn.Flags & 0x3f;
if (roll < 1)
{
roll = 1;
}
if (roll > 39)
{
roll = 39;
}
roll += 216;
A = (byte)((roll << 1) | (roll >> 7)); // rotate left to counter a rrca instruction
}
else if (address == "StatModifierDownEffect+0021") // AI's 25% chance to miss
{
A = (turn.Flags & Miss) > 0 ? 0x00 : 0xff;
}
else if (sideEffects.Any(effect => address.StartsWith(effect))) // various side effects
{
A = (turn.Flags & SideEffect) > 0 ? 0x00 : 0xff;
}
else if (address.StartsWith("TrainerAI")) // trainer ai
{
if ((turn.Flags & AiItem) > 0)
{
A = 0x00; break;
}
else
{
A = 0xff;
}
}
else if (address.StartsWith("ThrashPetalDanceEffect")) // thresh/petal dance length
{
A = (turn.Flags & ThreeTurn) > 0 ? 0 : 1;
}
else if (address.StartsWith("CheckPlayerStatusConditions.IsConfused") || address.StartsWith("CheckEnemyStatusConditions.IsConfused")) // confusion hit through
{
A = (turn.Flags & Hitself) > 0 ? 0xff : 0x00;
}
else if (address.StartsWith("CheckPlayerStatusConditions.ThrashingAboutCheck")) // confused for 2-5 turns after thrash/petal dance ends
{
A = 0;
}
else if (address.StartsWith("ApplyAttackToPlayerPokemon.loop")) // psywave damage
{
A = turn.Flags & 0x3f;
}
else if (address.StartsWith("DisableEffect.pickMoveToDisable")) // disable move
{
A = FindBattleMove(turn.Target) & 0x3;
}
else if (address.StartsWith("DisableEffect.playerTurnNotLinkBattle")) // disable number of turns (1-8)
{
int turns = turn.Flags / Turns;
A = ((turns >= 1 ? turns : 8) - 1) & 0x7;
}
else if (address.StartsWith("BideEffect.bideEffect")) // bide number of turns (2-3)
{
int turns = turn.Flags / Turns;
A = ((turns >= 2 ? turns : 3) - 2) & 0x7;
}
else if (address == "TrappingEffect.trappingEffect+000b" || address == "TwoToFiveAttacksEffect.setNumberOfHits+000e") // not needed
{
A = 0x3;
}
else if (address == "TrappingEffect.trappingEffect+0014" || address == "TwoToFiveAttacksEffect.setNumberOfHits+0017") // multi-attack number of hits (2-5)
{
int turns = turn.Flags / Turns;
A = ((turns >= 2 ? turns : 5) - 2) & 0x3;
}
else if (address.StartsWith("MetronomePickMove"))
{
RbyMove move = Moves[turn.Target];
Debug.Assert(move != null, "Unable to find the move: " + turn.Target);
A = move.Id;
}
else
{
Console.WriteLine("Unhandled Random call coming from " + address);
}
}
}
RunFor(1);
}
public float OneShotPercentage(RbyPokemon attacker, RbyPokemon defender, RbyMove move, bool crit)
{
int[] damageRolls = CalcDamage(attacker, defender, move, crit);
return((float)damageRolls.Where(dmg => dmg >= defender.HP).Count() / (float)damageRolls.Length);
}