private GameAction ProcessAttack(AttackResult attackerResult, FE7UnitEntity attacker, FE7UnitEntity defender)
{
int actualDamage = attackerResult.BaseDamage;
if (attackerResult.Result != AttackRollResult.Miss) //hit or crit
{
// Calculate damage
if (attacker.EquippedWeapon.IsMagic)
{
actualDamage -= defender.Resistance;
if (actualDamage < 0)
{
actualDamage = 0;
}
}
else
{
actualDamage -= defender.Defense;
if (actualDamage < 0)
{
actualDamage = 0;
}
}
if (attackerResult.Result == AttackRollResult.Crit)
{
actualDamage *= 3;
return(new CombatCritAction(attacker, actualDamage, attackerResult.RandNumbersUsed));
}
else
{
return(new CombatHitAction(attacker, actualDamage, attackerResult.RandNumbersUsed));
}
}
else
{
return(new CombatMissAction(attacker, attackerResult.RandNumbersUsed));
}
}
List <GameAction> InitiateCombat(FE7UnitEntity attacker, FE7UnitEntity defender, int engagementRange)
{
List <GameAction> ret = new List <GameAction>();
if (!attacker.EquippedWeapon.Range.Contains(engagementRange))
{
throw new WeaponException("Attack at improper range");
}
bool defenderCanRetalliate = defender.EquippedWeapon.Range.Contains(engagementRange);
int attackerAttackSpeed = attacker.AttackSpeed;
int defenderAttackSpeed = defender.AttackSpeed;
bool attackerDouble = attackerAttackSpeed - defenderAttackSpeed >= 4;
bool defenderDouble = defenderAttackSpeed - attackerAttackSpeed >= 4;
WeaponTriangle attackerWeapTriBonus = CalculateWeaponTriangle(attacker.EquippedWeapon.WeaponType, defender.EquippedWeapon.WeaponType);
WeaponTriangle defenderWeapTriBonus = CalculateWeaponTriangle(defender.EquippedWeapon.WeaponType, attacker.EquippedWeapon.WeaponType);
//[Precalculated -- Weapon Hit + (Skill x 2) + (Luck / 2) ]+ Support bonus + Weapon Triangle bonus + S Rank bonus + Tactician bonus
int attackerHit = attacker.HitChance + 0 + ((int)attackerWeapTriBonus * 15) + 0 + 0;
int defenderHit = defender.HitChance + 0 + ((int)defenderWeapTriBonus * 15) + 0 + 0;
// [Precalculated -- (Attack Speed x 2) + Luck ]+ Support bonus + Terrain bonus + Tactician bonus
defenderHit -= attacker.Avoid + 0 + CalcTerrainAvoidBonus(attacker.Terrain) + 0;
attackerHit -= defender.Avoid + 0 + CalcTerrainAvoidBonus(defender.Terrain) + 0;
// Weapon Critical + (Skill / 2) + Support bonus + Critical bonus + S Rank bonus - Crit Avoid [opponent's Luck + Support + Tactician Bonus]
int attackerCrit = attacker.CritChance + 0 + 0 + 0 - defender.Luck - 0 - 0;
int defenderCrit = defender.CritChance + 0 + 0 + 0 - attacker.Luck - 0 - 0;
// StrengthMagic + Weapon Might + [ Weapon Triangle bonus x Effective coefficient] + Support bonus
int attackerDamage = attacker.Might + ((int)attackerWeapTriBonus * 1) + 0 - CalcTerrainDefBonus(defender.Terrain);
int defenderDamage = defender.Might + ((int)defenderWeapTriBonus * 1) + 0 - CalcTerrainDefBonus(attacker.Terrain);
//attacker attacks first.
GameAction attackerResult = ProcessAttack(MakeAttack(attackerHit, attackerCrit, attackerDamage), attacker, defender);
ret.Add(attackerResult);
//check to see if Defender is still alive.
defender.TakeDamage(attackerResult);
if (defender.HP > 0 && defenderCanRetalliate && defender.EquippedWeapon.WeaponType != FE7WeaponType.None)
{
//defender attacks
GameAction defenderResult = ProcessAttack(MakeAttack(defenderHit, defenderCrit, defenderDamage), defender, attacker);
ret.Add(defenderResult);
attacker.TakeDamage(defenderResult);
}
//check to see if attacker is still alive
if (attacker.HP > 0 && attackerDouble)
{
//attack again.
GameAction followupResult = ProcessAttack(MakeAttack(attackerHit, attackerCrit, attackerDamage), attacker, defender);
ret.Add(followupResult);
//check to see if Defender is still alive.
defender.TakeDamage(followupResult);
}
else if (defender.HP > 0 && defenderDouble && defender.EquippedWeapon.WeaponType != FE7WeaponType.None)
{
//defender attacks again.
GameAction followupResult = ProcessAttack(MakeAttack(defenderHit, defenderCrit, defenderDamage), defender, attacker);
ret.Add(followupResult);
attacker.TakeDamage(followupResult);
}
//Now we check if either died.
if (defender.HP > 0 && attacker.HP > 0)
{
//no one died.
ret.Add(new CombatDrawAction(attacker, defender));
}
else if (attacker.HP > 0)
{
//defender died
ret.Add(new CombatDefenderDefeatAction(attacker, defender));
}
else if (defender.HP > 0)
{
//attacker died
ret.Add(new CombatAttackerDefeatAction(attacker, defender));
}
else
{
//they both died. This shouldn't happen. Oops.
throw new CombatEngineException("Both units dead after combat");
}
return(ret);
}
