/// <summary>
/// リアクションを決定します
/// </summary>
/// <returns>決定したリアクションスキル</returns>
/// <param name="attacker">攻撃者</param>
/// <param name="skill">攻撃されるスキル</param>
public ReactionSkill decideReaction(IBattleable attacker, AttackSkill skill)
{
Dictionary <ReactionSkillType, float> riskTable = new Dictionary <ReactionSkillType, float>();
//ダメージからのリスク:攻撃側の攻撃力/現在HP
int atk = skill.getAtkWithoutProgress(attacker);
atk = (atk > 0) ? atk : 1;
int hp = user.getHp();
hp = (hp > 0) ? hp : 1;
float dodgeDammageRisk = atk / hp;
//命中からのリスク:命中値/回避値 - 1
float dodgeHitRisk = (skill.getHit(attacker)) / (user.getDodge() + reactionSkills.getReactionSkillFromCategory(ReactionSkillType.DODGE).getDodge()) - 1;
//回避合計リスク
float dodgeRisk = dodgeHitRisk + dodgeDammageRisk;
if (dodgeRisk != 0)
{
dodgeRisk /= 2;
}
riskTable.Add(ReactionSkillType.DODGE, dodgeRisk);
//攻撃を受けるリスク
int sumHpGuard = user.getHp() + user.getDef();
sumHpGuard = (sumHpGuard > 0) ? sumHpGuard : 1;
float guardRisk = atk / sumHpGuard;
riskTable.Add(ReactionSkillType.GUARD, guardRisk);
//乱数判定
float random = UnityEngine.Random.Range(0, dodgeRisk + guardRisk);
var keys = riskTable.Keys;
foreach (ReactionSkillType category in keys)
{
if (riskTable[category] >= random)
{
return(reactionSkills.getReactionSkillFromCategory(category));
}
else
{
random -= riskTable[category];
}
}
throw new InvalidOperationException("invalid state");
}
/// <summary>
/// userにリアクションを起こさせます
/// </summary>
/// <param name="user">リアクションを起こさせるIBattleable</param>
/// <param name="attack">攻撃を試みるスキルの攻撃値</param>
/// <param name="hit">攻撃を試みるスキルの命中値</param>
/// <param name="attribute">攻撃を試みるスキルの属性</param>
public void reaction(IBattleable user, int attack, int hit, AttackSkillAttribute attribute)
{
if (this.CATEGORY == ReactionSkillType.DODGE)
{
//命中判定
if (hit > user.getDodge() + DODGE)
{
//ダメージ処理
user.dammage(attack, attribute);
}
}
else if (this.CATEGORY == ReactionSkillType.GUARD)
{
int def = user.getDef() + DEF;
int dammage = attack - def;
dammage = (dammage >= 0) ? dammage : 0;
user.dammage(dammage, attribute);
}
else if (this.CATEGORY == ReactionSkillType.MISS)
{
user.dammage(attack, attribute);
}
}