bl/logic/service/fight/fightc.go

package fight

import (
	"blazing/common/utils"

	"blazing/logic/service/fight/action"
	"blazing/logic/service/fight/info"
	"blazing/logic/service/fight/input"
	"blazing/modules/player/model"
	"reflect"

	"github.com/alpacahq/alpacadecimal"
	"github.com/barkimedes/go-deepcopy"
	"github.com/gogf/gf/v2/util/grand"
)

// processSkillAttack 处理技能攻击逻辑
func (*FightC) processSkillAttack(attacker, defender *input.Input, skill *info.SkillEntity) {
	skill.AttackTimeC(attacker.GetProp(5, true)) //计算命中

	defender.Exec(func(effect input.Effect) bool { //计算闪避,然后修改对方命中),同时相当于计算属性无效这种
		effect.Ctx().SkillEntity = skill
		effect.SkillHit_ex()
		return true
	})

	attacker.Exec(func(effect input.Effect) bool {
		//计算变威力
		effect.Ctx().SkillEntity = skill
		effect.SkillHit() //相当于先调整基础命中,不光调整命中，这里还能调整技能属性，暴击率
		return true
	})
	var originalProps [2][6]int8
	var originalPetInfo [2]model.PetInfo
	originalProps[0], originalProps[1] = attacker.Prop, defender.Prop //先复制能力提升
	originalPetInfo[0], originalPetInfo[1] = attacker.CurrentPet.Info, defender.CurrentPet.Info

	attacker.Exec(func(effect input.Effect) bool {
		//计算变威力
		effect.Ctx().SkillEntity = skill
		effect.CalculatePre() //相当于先调整基础命中,不光调整命中，这里还能调整技能属性，暴击率
		return true
	})
	//技能命中+效果失效  这里就是修改效果命中为false
	//技能miss+效果生效 这里属于强制改命中效果,但是正常来说,技能miss掉后效果也应该失效
	//技能失效+效果失效
	attacker.AttackTime = skill.AttackTime
	attacker.SkillID = uint32(skill.ID) //获取技能ID
	if skill.AttackTime != 0 {          //如果命中
		attacker.CalculateCrit(defender, skill) //暴击计算
		attacker.IsCritical = skill.Crit
		attacker.SumDamage = attacker.CalculatePower(defender, skill)
	}

	attacker.Prop, defender.Prop = originalProps[0], originalProps[1]
	attacker.CurrentPet.Info, defender.CurrentPet.Info = originalPetInfo[0], originalPetInfo[1]
	if attacker.IsCritical == 1 { //命中了才有暴击
		//暴击破防
		if skill.Category() == info.Category.PHYSICAL && defender.Prop[1] > 0 {
			defender.Prop[1] = 0
		} else if skill.Category() == info.Category.SPECIAL && defender.Prop[3] > 0 {
			defender.Prop[3] = 0
		}
		//暴击翻倍
		attacker.SumDamage = attacker.SumDamage.Mul(alpacadecimal.NewFromInt(2))
	}

	//到这里已经是强制miss或者命中,所以根本不存在强制miss改命中的情况,因为miss的时候不会执行到这里
	if !skill.Hit {

		for _, effect := range attacker.EffectCache {
			effect.Alive(false) //我方效果命中
		}
		//这时候将被覆盖的效果全部装回来enterturn
		for _, effect := range attacker.EffectLost {
			if effect.Duration() > 0 || effect.Duration() == -1 {
				//effect.Alive(true)
				attacker.AddEffect(effect.GetInput(), effect)
			}
		}
	}

	// 扣减防御方血量
	attacker.Exec(func(effect input.Effect) bool {
		effect.Ctx().SkillEntity = skill
		effect.OnSkill() //调用伤害计算
		return true
	})

	defender.Damage(attacker, &info.DamageZone{
		Damage: attacker.SumDamage,
	})
}

// IsNil 检查值是否为nil
func IsNil(x interface{}) bool {
	if x == nil {
		return true
	}
	rv := reflect.ValueOf(x)
	return rv.Kind() == reflect.Ptr && rv.IsNil()
}

// copySkill 复制技能实体
func (f *FightC) copySkill(action *action.SelectSkillAction) *info.SkillEntity {
	if action == nil {
		return nil
	}
	if action.SkillEntity == nil {
		return nil
	}

	originalSkill, _ := deepcopy.Anything(action.SkillEntity) //备份技能
	originalSkill.(*info.SkillEntity).Rand = f.rand           //拷贝后随机数丢失
	return originalSkill.(*info.SkillEntity)
}

// enterturn 处理战斗回合逻辑
// 回合有先手方和后手方,同时有攻击方和被攻击方
func (f *FightC) enterturn(firstAttack, secondAttack *action.SelectSkillAction) {
	//双方首发精灵登场时，依挑战方机制：房主方先判定，挑战方后判定
	//双方非首发精灵登场时，根据切换先后判定(看手速)
	//  神罗、圣华登场时魂免，“登场时xx”等效果
	//阿枫的效果也在这里判断

	if f.closefight {
		return
	}

	f.Broadcast(func(ff *input.Input) {

		ff.EffectCache = make([]input.Effect, 0) //先把上一回合数据清空,但是应该把本身延续类效果集成过来
		ff.EffectLost = make([]input.Effect, 0)
		ff.Exec(func(effect input.Effect) bool { //回合开始前
			effect.TurnStart(firstAttack, secondAttack)
			return true
		})
	})

	if firstAttack != nil { //如果首技能是空的,说明都空过了
		if firstAttack.GetPlayerID() == f.ownerID {
			//是否miss都应该施加解析effect
			f.Our.Parseskill(firstAttack)  //解析到临时数据
			f.Opp.Parseskill(secondAttack) //解析到临时数据
		} else {
			f.Opp.Parseskill(firstAttack)
			f.Our.Parseskill(secondAttack)
		}
	}
	f.Broadcast(func(fighter *input.Input) {
		fighter.Exec(func(effect input.Effect) bool { //回合开始前
			effect.ComparePre(firstAttack, secondAttack) //先结算技能的优先级
			return true
		})
		fighter.ResetAttackValue()
	})
	f.First, f.Second = f.Our, f.Opp
	if firstAttack != nil {
		if firstAttack.GetPlayerID() != f.ownerID {
			f.First, f.Second = f.Opp, f.Our // 攻击方为对方时，主攻击方是对方
		}
	}

	if firstAttack != nil && secondAttack != nil {
		switch {
		case firstAttack.SkillEntity.Priority < secondAttack.SkillEntity.Priority:
			firstAttack, secondAttack = secondAttack, firstAttack //互换先手权
			f.First, f.Second = f.Second, f.First
		case firstAttack.SkillEntity.Priority == secondAttack.SkillEntity.Priority:
			if f.Second.GetProp(4, false) > f.First.GetProp(4, false) {
				firstAttack, secondAttack = secondAttack, firstAttack //互换先手权
				f.First, f.Second = f.Second, f.First
			}
			if f.Second.GetProp(4, false) == f.First.GetProp(4, false) {
				if grand.Meet(1, 2) { //随机出手
					firstAttack, secondAttack = secondAttack, firstAttack //互换先手权
					f.First, f.Second = f.Second, f.First
				}
			}
		}
	}

	if firstAttack == nil && secondAttack == nil {
		firstAttack, secondAttack = secondAttack, firstAttack //互换先手权
		f.First, f.Second = f.Second, f.First
	}
	var attacker, defender *input.Input

	//开始回合操作
	for i := 0; i < 2; i++ {
		var originalSkill *info.SkillEntity //原始技能
		var currentSkill *info.SkillEntity  //当前技能
		if i == 0 {
			attacker, defender = f.First, f.Second
			originalSkill = f.copySkill(firstAttack)
			//先手阶段，先修复后手效果
			f.Second.RecoverEffect()
		} else {
			attacker, defender = f.Second, f.First
			originalSkill = f.copySkill(secondAttack)
			f.Second.ReactvieEffect()
		}

		currentSkill = originalSkill
		defender.Exec(func(effect input.Effect) bool { //这个是能否使用技能
			effect.Ctx().SkillEntity = currentSkill
			return effect.ActionStartEx(firstAttack, secondAttack)
		})
		canUseSkill := attacker.Exec(func(effect input.Effect) bool { //这个是能否使用技能
			effect.Ctx().SkillEntity = currentSkill
			return effect.ActionStart(firstAttack, secondAttack)
		})

		canUse := canUseSkill && action.CanUse(currentSkill) && attacker.CurrentPet.Info.Hp > 0
		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

			} else {
				f.TrueFirst = defender
			}

		}
		if !canUse {

			attacker.RecoverEffect()
			currentSkill = nil
		} else {
			f.processSkillAttack(attacker, defender, currentSkill)
			currentSkill = originalSkill //还原技能

			_, skill, ok := utils.FindWithIndex(attacker.CurrentPet.Info.SkillList, func(item model.SkillInfo) bool {
				return item.ID == currentSkill.Info.ID
			})
			if ok {
				skill.PP--
			}
		}

		if defender.CurrentPet.Info.Hp > 0 {
			//技能使用后
			defender.Exec(func(effect input.Effect) bool {
				effect.Ctx().SkillEntity = currentSkill
				effect.Skill_Use_ex()
				return true
			})
		}

		//技能使用后
		attacker.Exec(func(effect input.Effect) bool { //技能使用后的我方效果
			effect.Ctx().SkillEntity = currentSkill
			effect.SkillUseed()
			return true
		})
		defender.Exec(func(effect input.Effect) bool {
			effect.Ctx().SkillEntity = currentSkill
			effect.ActionEndEx()
			return true
		})

		if !attacker.CurrentPet.NotAlive {
			//技能使用后
			attacker.Exec(func(effect input.Effect) bool { //技能使用后的我方效果
				effect.Ctx().SkillEntity = currentSkill
				effect.Action_end()
				return true
			})
		}

		// fmt.Println(i,
		// 	"技能名称:", attacker.CurrentPet.Info.Name,
		// 	"玩家技能伤害:", attacker.SumDamage,
		// 	"自身剩余血量:", attacker.CurrentPet.Info.Hp,
		// 	"对手剩余血量:", defender.CurrentPet.Info.Hp,
		// )
		if attacker.CurrentPet.Info.Hp <= 0 {
			attacker.CurrentPet.NotAlive = true
			f.Broadcast(func(ff *input.Input) {

				ff.Exec(func(t input.Effect) bool {

					t.SwitchOut(attacker)

					return true
				})
			})
			if defender.CurrentPet.Info.Hp == 0 { //先手方死亡,触发反同归于尽

				defender.CurrentPet.Info.Hp = 1
			}
			if f.IsWin(defender) { //然后检查是否战斗结束

				f.FightOverInfo.WinnerId = defender.UserID

				f.closefight = true
				//	break
			}

			//attacker.CanAction = true
			break
		}

		if defender.CurrentPet.Info.Hp == 0 {
			if attacker.CurrentPet.Info.Hp == 0 { //先手方死亡,触发反同归于尽

				attacker.CurrentPet.Info.Hp = 1
			}

			//defender.CanAction = true //被打死就可以切精灵了
			// AI自动技能
			defender.CurrentPet.NotAlive = true
			f.Broadcast(func(ff *input.Input) {

				ff.Exec(func(t input.Effect) bool {

					t.SwitchOut(defender)

					return true
				})
			})
			if f.IsWin(attacker) { //然后检查是否战斗结束
				var WinnerId uint32
				if i == 0 {
					WinnerId = f.First.Player.GetInfo().UserID
				} else {
					WinnerId = f.Second.Player.GetInfo().UserID
				}
				f.FightOverInfo.WinnerId = WinnerId

				f.closefight = true

			}
			//break
		}

	}

	f.Broadcast(func(ff *input.Input) {
		ff.GenSataus()
		ff.Exec(func(t input.Effect) bool { //这个是能否使用技能
			//结算状态
			t.TurnEnd() //返回本身结算,如果false,说明不能使用技能了
			return true
		})
		ff.GenInfo()
	})
	if f.TrueFirst != f.First {
		f.First, f.Second = f.Second, f.First

	}

	attackValueResult := info.AttackValueS{
		FAttack: *f.First.AttackValue,
		SAttack: *f.Second.AttackValue,
	}
	//因为切完才能广播,所以必须和回合结束分开结算
	f.Broadcast(func(fighter *input.Input) {
		for _, switchAction := range f.Switch {
			if fighter.Player.GetInfo().UserID != switchAction.Reason.UserId {
				//		println("切精灵", switchAction.Reason.UserId, switchAction.Reason.ID)
				fighter.Player.SendPackCmd(2407, &switchAction.Reason)
			}
		}
	})
	f.Switch = make(map[uint32]*action.ActiveSwitchAction)
	if f.closefight && f.Info.Mode == info.BattleMode.PET_MELEE {
		return
	}
	f.Broadcast(func(fighter *input.Input) {
		fighter.Player.SendPackCmd(2505, &attackValueResult)
		fighter.CanChange = 0
	})
	if f.closefight {
		return
	}
	//println("回合结束")
	if f.Info.Status == info.BattleMode.FIGHT_WITH_NPC {
		if f.Opp.CurrentPet.Info.Hp <= 0 {

			f.Opp.GetAction()
			//panic("AI自动技能")
		}

	}

}