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

package input

import (
	element "blazing/common/data/Element"
	"blazing/common/utils"

	"blazing/logic/service/fight/action"
	"blazing/logic/service/fight/info"

	"github.com/alpacahq/alpacadecimal"
	"github.com/gogf/gf/v2/util/gconv"
)

// 计算暴击
func (our *Input) CalculateCrit(opp *Input, skill *info.SkillEntity) {

	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 && our.FightC.IsFirst(our.Player) {
		CritRate = 16
	}
	//CritAtkSecond: 后出手时必定致命一击; 默认: 0
	if skill.CritAtkSecond != 0 && !our.FightC.IsFirst(our.Player) {
		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 && (our.CurrentPet.HP < int(our.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, _, _ := our.Player.Roll(625*CritRate, 10000); t {
		skill.Crit = 1
	}

}

// 恢复血量
func (our *Input) Heal(in *Input, ac action.BattleActionI, value alpacadecimal.Decimal) {

	//使用道具回血
	if _, ok := ac.(*action.UseItemAction); !ok &&
		ac != nil &&
		in == our {
		our.AttackValue.GainHp = int32(value.IntPart()) //道具有专门的回血包
	}

	our.CurrentPet.Info.ModelHP(value.IntPart())

}
func (our *Input) HealPP(value int) {

	our.CurrentPet.Info.HealPP(value)

}
func (our *Input) DelPP(value int) {

	for i := 0; i < len(our.CurrentPet.Info.SkillList); i++ {
		if uint32(value) > our.CurrentPet.Info.SkillList[i].PP {
			our.CurrentPet.Info.SkillList[i].PP = 0
		} else {
			our.CurrentPet.Info.SkillList[i].PP -= uint32(value)
		}

	}

}

// Damage 对方对我方造成伤害，处理伤害计算和扣减血量逻辑，包括各种增伤、减伤效果
// /红伤只允许调用一次来保持锁伤
// 这个方法是对对方造成伤害
// 伤害落实  // 血量扣减节点比如触发回神，反弹也在这里实现
func (our *Input) Damage(in *Input, sub *info.DamageZone) {
	if sub.Type == info.DamageType.Red { //每回合计算伤害的时候重置伤害
		our.Opp.SumDamage = sub.Damage

	}
	// 对方对我方造成，需要吃到对方的加成
	var ok bool
	if our != in {
		ok = our.Opp.Exec(func(t Effect) bool {

			t.DamageAdd(sub) //红伤落实前,我方增伤

			return true
		})

		//sub.BeforeMul = sub.Damage
		if ok {
			ok = our.Opp.Exec(func(t Effect) bool {

				t.Damage_Mul(sub) //红伤落实前,我方增伤

				return true
			})
		}
		//sub.BeforeFloor = sub.Damage
		if ok {
			ok = our.Opp.Exec(func(t Effect) bool {

				t.DamageFloor(sub) //红伤落实,内部有befer

				return true
			})
		}
	}

	//	sub.BeforeMul = sub.Damage
	if ok {
		ok = our.Exec(func(t Effect) bool {

			t.DamageDivEx(sub) //红伤落实,内部有befer

			return true
		})
	}

	//sub.BeforeSUB = sub.Damage
	if ok {
		ok = our.Exec(func(t Effect) bool {

			t.DamageSubEx(sub)

			return true
		})
	}

	//	sub.BeforeLock = sub.Damage
	if ok && in != our {
		ok = our.Opp.Exec(func(t Effect) bool {

			t.DamageLock(sub)

			return true
		})
	}
	//sub.BeforeLocked = sub.Damage
	if ok {
		our.Exec(func(t Effect) bool {

			t.DamageLockEx(sub)

			return true
		})
	}

	if sub.Type == info.DamageType.Red { //红才会产生造成伤害
		our.Opp.SumDamage = sub.Damage                                   // 叠加总伤害 这里相当于记录红伤
		our.Opp.AttackValue.LostHp = uint32(our.Opp.SumDamage.IntPart()) //红伤落实
	}

	if uint32(sub.Damage.IntPart()) > our.CurrentPet.Info.Hp {

		our.CurrentPet.Info.Hp = 0
	} else {
		our.CurrentPet.Info.Hp = our.CurrentPet.Info.Hp - uint32(sub.Damage.IntPart())
	}

	//todo  待实现死亡effet

}

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

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

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

	)

	switch skill.Category() { //判断技能类型
	case info.Category.PHYSICAL:
		attackDec = alpacadecimal.NewFromInt(int64(our.GetProp(0, false)))
		defenseDec = alpacadecimal.NewFromInt(int64(deftype.GetProp(1, false)))

	case info.Category.SPECIAL:

		attackDec = alpacadecimal.NewFromInt(int64(our.GetProp(2, false)))
		defenseDec = alpacadecimal.NewFromInt(int64(deftype.GetProp(3, false)))

	default:
		return alpacadecimal.Zero
	}
	// 8. DmgBindLv: 使对方受到的伤害值等于等级; 默认: 0
	// 9. PwrBindDv: 1,威力（power）取决于潜力（个体值）*5; 2,威力（power）取决于最大体力*1/3+潜力（个体值）; 默认: 0
	// 10. PwrDouble: 攻击时，若对方处于异常状态, 则威力翻倍;
	// 11. DmgBindHpDv: 造成的伤害等于自身剩余体力*1/2+潜力（个体值）; 默认: 0
	if skill.DmgBindLv != 0 {
		//level := utils.Min(deftype.CurrentPet.Info.Level, 100)
		skill.Power = int(deftype.CurrentPet.Info.Level)

	}
	if skill.PwrBindDv != 0 {
		if skill.PwrBindDv == 1 {

			skill.Power = int(our.CurrentPet.Info.Dv * 5)

		}
		if skill.PwrBindDv == 2 {
			skill.Power = int(our.CurrentPet.Info.Hp/3 + our.CurrentPet.Info.Dv)
		}

	}
	if skill.PwrDouble != 0 {

		if deftype.StatEffect_Exist_all() {
			skill.Power = skill.Power * 2
		}

	}
	if skill.DmgBindHpDv != 0 {
		skill.Power = int(our.CurrentPet.Info.Hp/2 + our.CurrentPet.Info.Dv)

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

	var typeRate alpacadecimal.Decimal
	//fmt.Println(skill.Type().ID, deftype.CurrentPet.Type().ID)
	t, _ := element.Calculator.GetOffensiveMultiplier(skill.GetType().ID, deftype.CurrentPet.GetType().ID)
	our.AttackValue.Offensive = gconv.Float32(t)

	typeRate = alpacadecimal.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

}