bl/logic/service/fight/input/attr.go

package input

import (
	element "blazing/common/data/Element"
	"blazing/common/utils"
	"blazing/logic/service/fight/info"
	"fmt"

	"github.com/mohae/deepcopy"
	"github.com/shopspring/decimal"
)

func (u *Input) BeforeSkill(opp *Input, skill *info.SkillEntity) {
	skill.AttackTimeC(int(u.GetProp(5, true))) //计算命中
	skill.Crit = 0
	if skill.Category() == info.Category.STATUS { //属性技能不用算暴击
		return
	}
	CritRate := utils.Max(skill.CritRate, 1)

	//CritAtkFirst: 先出手时必定致命一击; 默认: 0
	if skill.CritAtkFirst != 0 && u.First {
		CritRate = 16
	}
	//CritAtkSecond: 后出手时必定致命一击; 默认: 0
	if skill.CritAtkSecond != 0 && !u.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 && (u.CurrentPet.HP < int(u.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 && (opp.CurrentPet.HP < int(opp.CurrentPet.Info.MaxHp)/2) {
		CritRate = 16
	}

	//todo 暴击伤害
	if t, _, _ := u.Player.Roll(625*CritRate, 10000); t {
		skill.Crit = 1
	}

}

// 伤害落实
func (u *Input) Damage(attacker *Input, id int) {
	attacker.Exec(func(t Effect) bool {

		t.BeforeAttack(u, attacker.GetDamage(0)) //红伤落实前,我方增伤

		return true
	})
	attacker.Exec(func(t Effect) bool {

		t.Attack(u, attacker.GetEffect(EffectType.Damage, id)) //红伤落实前,我方增伤

		return true
	})

	u.Exec(func(t Effect) bool {

		t.BeforeAttacked(attacker, attacker.GetEffect(EffectType.Damage, id)) //红伤落实,内部有befer

		return true
	})
	u.Exec(func(t Effect) bool {

		t.Attacked(attacker, attacker.GetEffect(EffectType.Damage, id)) //红伤落实,内部有befer

		return true
	})
	if uint32(attacker.GetEffect(EffectType.Damage, id).Effect.Stack()) > u.CurrentPet.Info.Hp {
		//这里其实是受到致死伤害
		//然后先触发死亡效果，消除所有buff
		//然后触发回神效果
		u.CurrentPet.Info.Hp = 0
	} else {
		u.CurrentPet.Info.Hp = u.CurrentPet.Info.Hp - u.AttackValue.LostHp
	}

	//todo  待实现死亡effet

}

// 施加方，类型，等级，操作类别，是否成功
func (u *Input) SetProp(in *Input, prop, level int8, ptype info.EnumAbilityOpType) (ret bool) {
	canuseskill := u.Exec(func(t Effect) bool { //这个是能否使用技能
		//结算状态
		return t.BeferProp(in, prop, level, ptype) //返回本身结算,如果false,说明不能使用技能了

	})
	if canuseskill {
		switch ptype {
		case info.AbilityOpType.AbilityOpIncrease:
			newValue := utils.Min(u.AttackValue.Prop[prop]+int8(level), 6)

			if newValue > u.AttackValue.Prop[prop] {
				fmt.Println("属性值会增加")
				ret = true
			} else {
				fmt.Println("属性值不会增加")
				ret = false
			}

			// 执行赋值
			u.AttackValue.Prop[prop] = newValue

		case info.AbilityOpType.AbilityOpDecrease:
			u.AttackValue.Prop[prop] = utils.Max(u.AttackValue.Prop[prop]+int8(level), -6)

		case info.AbilityOpType.AbilityOpReset:
			if level > 0 && u.AttackValue.Prop[prop] > 0 { //消强
				u.AttackValue.Prop[prop] = 0
			}
			if level < 0 && u.AttackValue.Prop[prop] < 0 { //解弱
				u.AttackValue.Prop[prop] = 0
			}

		case info.AbilityOpType.AbilityOpStealStrengthen:

			if in.AttackValue.Prop[prop] > 0 {
				u.SetProp(u, prop, in.AttackValue.Prop[prop], info.AbilityOpType.AbilityOpIncrease)

				in.SetProp(u, prop, 1, info.AbilityOpType.AbilityOpReset) //消除对面强化
			}
		case info.AbilityOpType.AbilityOpReverse:
			if level > 0 && u.AttackValue.Prop[prop] > 0 { //反转强化，实际上是附带2倍的反转强化

				u.SetProp(u, prop, u.AttackValue.Prop[prop]*2, info.AbilityOpType.AbilityOpDecrease)

			}
			if level < 0 && u.AttackValue.Prop[prop] < 0 {
				u.SetProp(u, prop, -u.AttackValue.Prop[prop]*2, info.AbilityOpType.AbilityOpIncrease)
			}
		case info.AbilityOpType.AbilityOpBounceWeaken:

			if u.AttackValue.Prop[prop] < 0 {
				in.SetProp(u, prop, u.AttackValue.Prop[prop], info.AbilityOpType.AbilityOpDecrease)

				u.SetProp(u, prop, -1, info.AbilityOpType.AbilityOpReset) //消除自身弱化
			}

		}

	}
	return
}
func (i *Input) GetAction(opp *Input) {
	//使用1#技能,实际上要按照四个技能权重去使用
	i.FightC.UseSkill(i.Player, int32(i.FightC.GetCurrPET(i.Player).Skills[0].ID))

}

// todo获取属性，待实现获取后改回原属性
func (i *Input) Prop(in *Input, f func()) {

	oldourr := deepcopy.Copy(in).(*Input)
	in.Exec(func(t Effect) bool { //属性获取后

		t.AfterProp(i) //视为xx  需要在里面判断来源
		return true
	})
	f()
	in = oldourr

	//opp.CurrentPet = oldouo     //恢复
}

// todo获取属性，待实现获取后改回原属性
func (i *Input) Pet(in *Input, f func()) {
	oldour := deepcopy.Copy(i.CurrentPet).(*info.BattlePetEntity)
	//oldouo := deepcopy.Copy(opp.CurrentPet).(*info.BattlePetEntity)
	i.Exec(func(t Effect) bool { //属性获取前

		t.BeferAttr(i.CurrentPet) //使XX为XX
		return true
	})

	oldourr := deepcopy.Copy(in.CurrentPet).(*info.BattlePetEntity)
	in.Exec(func(t Effect) bool { //属性获取后

		t.AfterAttr(i.CurrentPet) //视为xx  需要在里面判断来源
		return true
	})
	f()
	in.CurrentPet = oldourr

	i.CurrentPet = oldour //恢复
	//opp.CurrentPet = oldouo     //恢复
}
func (i *Input) Skill(in *info.SkillEntity, f func()) {
	oldour := deepcopy.Copy(in).(*info.SkillEntity)
	//oldouo := deepcopy.Copy(opp.CurrentPet).(*info.BattlePetEntity)
	i.Exec(func(t Effect) bool { //属性获取前

		t.BeforeSkill(i, in) //使XX为XX
		return true
	})
	f()
	in = oldour //恢复

}

// 计算技能威力
func (i *Input) CalculatePower(deftype *Input, skill *info.SkillEntity) decimal.Decimal {

	// 1. 计算等级因子 (level * 0.4 + 2)
	levelFactor := decimal.NewFromInt(int64(i.CurrentPet.Info.Level)).
		Mul(decimal.NewFromFloat(0.4)).Add(decimal.NewFromInt(2))

	var (
		attackDec  decimal.Decimal //攻击值
		defenseDec decimal.Decimal //防御值

	)

	switch skill.Category() { //判断技能类型
	case info.Category.PHYSICAL:
		i.Pet(i, func() { //我方取我方攻击
			attackDec = decimal.NewFromInt(int64(i.GetProp(0, false)))
		})
		deftype.Pet(i, func() { //我方取敌方防御
			defenseDec = decimal.NewFromInt(int64(deftype.GetProp(1, false)))

		})

	case info.Category.SPECIAL:

		i.Pet(i, func() { //我方取我方攻击
			attackDec = decimal.NewFromInt(int64(i.GetProp(2, false)))
		})
		deftype.Pet(i, func() { //我方取敌方防御
			defenseDec = decimal.NewFromInt(int64(deftype.GetProp(3, false)))

		})

	default:
		return decimal.NewFromInt(0)
	}

	// 5. 基础伤害公式：等级因子 * 威力因子 * 攻击 / 防御 / 50 + 2
	baseDamage := levelFactor.
		Mul(decimal.NewFromInt(int64(skill.Power))).
		Mul(attackDec).
		Div(defenseDec).
		Div(decimal.NewFromInt(50)).
		Add(decimal.NewFromInt(2))

	var typeRate decimal.Decimal

	deftype.Pet(i, func() { //我方取敌方属性,得到敌方的实际和我方的视为
		t, _ := element.NewElementCalculator().GetOffensiveMultiplier(skill.Type().ID, deftype.CurrentPet.Type().ID)

		typeRate = decimal.NewFromFloat(t)

	})

	damage := baseDamage.
		Mul(skill.CriticalsameTypeBonus()). // 同属性加成
		Mul(typeRate).                      // 克制系数

		Mul(skill.Criticalrandom()) //随机波动

	return damage

}