public static AttackCalcResult AttackCalc(SceneEntity fromEntity, SceneEntity targetEntity, bool doAttack = true)
{
AttackCalcResult result = new AttackCalcResult();
AttrComp fromAttrComp = fromEntity.GetComp<AttrComp>();
AttrComp targetAttrComp = targetEntity.GetComp<AttrComp>();
// 计算护甲减伤，公式为：
// 1 - (Def * ARMOR_COEF) / (1 + Def * ARMOR_COEF)
double defValue = targetAttrComp.Def * DEF_COEF;
double damageRate = 1 - defValue / (1 + defValue);
// 计算总伤害
double damage = fromAttrComp.Atk * damageRate;
// 按照伤害类型的数量平分伤害
List<DamageType> atkTypes = fromAttrComp.AtkTypes;
int numAtkTypes = atkTypes.Count;
damage /= numAtkTypes;
for (int i = 0; i < numAtkTypes; ++i)
{
DamageType atkType = atkTypes[i];
result.Damages[(int)atkType] = damage;
}
// 1. 计算伤害加成和免伤
// 2. 按攻击类型和护甲类型调整伤害值
DamageType defType = targetAttrComp.DefType;
int numDamageTypes = (int)DamageType.Total;
for (int i = 0; i < numDamageTypes; ++i)
{
DamageType atkType = (DamageType)i;
double singleDamage = result.Damages[i];
// 百分比伤害加成减免
singleDamage *= 1 + fromAttrComp.GetDamageAddRate(atkType) + fromAttrComp.DamageAddRate + targetAttrComp.BeDamageAddRate;
// 伤害附加
singleDamage += fromAttrComp.GetDamageAdd(atkType);
// 属性相克伤害加成
singleDamage *= DamageTypeSetting.GetDamageFactor(atkType, defType);
result.Damages[i] = singleDamage;
}
if (doAttack)
DoAttack(fromEntity, targetEntity, result);
return result;
}
public static void DoAttack(SceneEntity fromEntity, SceneEntity targetEntity, AttackCalcResult result)
{
double damage = result.TotalDamage;
// 应用伤害
targetEntity.AttrComp.Hp -= damage;
// 伤害数字和血条
Helpers.ShowHpBar(targetEntity.gameObject, (float)targetEntity.AttrComp.HpPercent);
Helpers.ShowHpText(targetEntity.gameObject, (int)-damage);
}
