refactor(fight): 重构战斗系统效果和技能逻辑

- 移除了未使用的 Effect0 基类效果
- 优化了技能施放和效果执行的逻辑
- 调整了命中和闪避的计算方式
-

logic/service/fight/effect/base.go

@@ -0,0 +1,52 @@
+package effect
+
+import (
+	"blazing/common/utils"
+	"blazing/logic/service/fight/info"
+	"blazing/logic/service/fight/input"
+	"blazing/logic/service/fight/node"
+)
+
+// 施加一个基类effect
+type Effect0 struct {
+	node.EffectNode
+}
+
+// 技能命中计算
+func (this *Effect0) IsHit(attacker, defender *input.Input, skill *info.BattleSkillEntity) {
+	skill.AttackTimeC() //计算命中
+}
+
+func (this *Effect0) UseSkill(attacker, defender *input.Input) bool {
+	return true
+}
+func (this *Effect0) IsCrit(attacker, defender *input.Input, skill *info.BattleSkillEntity) {
+	CritRate := utils.Max(skill.CritRate, 1)
+	CritRateR := attacker.FightC.GetRand().Int31n(16)
+	//CritAtkFirst: 先出手时必定致命一击; 默认: 0
+	if skill.CritAtkFirst != 0 && attacker.First {
+		CritRate = 16
+	}
+	//CritAtkSecond: 后出手时必定致命一击; 默认: 0
+	if skill.CritAtkSecond != 0 && !attacker.First {
+		CritRate = 16
+	}
+	// CritSelfHalfHp: 自身体力低于一半时必定致命一击; 默认: 0
+	if skill.CritSelfHalfHp != 0 && (attacker.CurrentPet.HP < int(attacker.CurrentPet.Info.MaxHp)/2) {
+		CritRate = 16
+	}
+	//  CritFoeHalfHp: 对方体力低于一半时必定致命一击; 默认: 0
+	if skill.CritSelfHalfHp != 0 && (defender.CurrentPet.HP < int(defender.CurrentPet.Info.MaxHp)/2) {
+		CritRate = 16
+	}
+
+	//todo 暴击伤害
+	if CritRateR <= int32(CritRate) {
+		skill.Crit = 1
+	}
+
+}
+func init() {
+	input.InitEffect(0, &Effect0{})
+
+}