refactor: 优化先手判断逻辑，增加IsFirst接口

logic/service/fight/fightc.go

@@ -220,17 +220,37 @@ func (f *FightC) enterturn(firstAttack, secondAttack *action.SelectSkillAction)
 
 			attacker.RecoverEffect()
 			currentSkill = nil
-			if i == 0 {
-				//不能使用,所以这时候取消后手
-				defender.ReactvieEffect()
-				firstAttack, secondAttack = secondAttack, firstAttack //互换先手权
-				f.First, f.Second = f.Second, f.First
-				//反转先后手
-				originalSkill = f.copySkill(firstAttack)
+			if i == 0 { //先手方被控,这时候应该算做未出手状态
+				if canUse {
+					f.TrueFirst = attacker
+
+					attacker.Exec(func(effect input.Effect) bool {
+						effect.IsFirst(true)
+						return true
+					})
+
+				} else {
+
+					f.TrueFirst = defender
+					defender.Exec(func(effect input.Effect) bool {
+						effect.IsFirst(true)
+						return true
+					})
+				}
 
-				currentSkill = originalSkill
-				attacker, defender = defender, attacker
 			}
+			//先手权不一定出手
+			// if i == 0 {
+			// 	//不能使用,所以这时候取消后手
+			// 	defender.ReactvieEffect()
+			// 	firstAttack, secondAttack = secondAttack, firstAttack //互换先手权
+			// 	f.First, f.Second = f.Second, f.First
+			// 	//反转先后手
+			// 	originalSkill = f.copySkill(firstAttack)
+
+			// 	currentSkill = originalSkill
+			// 	attacker, defender = defender, attacker
+			// }
 
 		} else {
 			f.processSkillAttack(attacker, defender, currentSkill)
@@ -297,6 +317,10 @@ func (f *FightC) enterturn(firstAttack, secondAttack *action.SelectSkillAction)
 		})
 		ff.GenInfo()
 	})
+	if f.TrueFirst != f.First {
+		f.First, f.Second = f.Second, f.First
+
+	}
 
 	attackValueResult := info.AttackValueS{
 		FAttack: *f.First.AttackValue,