UGCProjects/JungleSpecialOperations/Script/Global/BuffSystem/BuffAction/BuffAction_BulletHitApplyRadialDamage.lua

local BuffActionBase = require('Script.Global.BuffSystem.BuffActionBase')

local BuffAction_BulletHitApplyRadialDamage = setmetatable(
    {
        -- Param ---------------------------
        -- 仅枪械武器触发
        IsShootWeapon = true;
        -- 筛选武器，若不为空则内部对应的武器攻击才会触发，若为空则全部武器均会触发
        FilterWeaponItemID = {};

        -- Damage --
        MaxDamage = 20;
        MinDamage = 20;

        -- 内部范围，既最高伤害的范围
        InnerRadius = 50;
        -- 外部范围，既伤害范围，到该范围边界则为最低伤害
        OuterRadius = 200;
        --  Inner到Outer范围区间的伤害衰减指数
        FallOff = 2;
        -- Damage --

        -- 冷却时间
        CoolingTime = 2;
        -- 粒子类型
        ParticleType = nil;
        -- 音效类型
        SoundType = nil;
        -- Param End -----------------------

        -- 正在冷却
        bIsCooling = false;

        ShootWeaponType = {
            EWeaponTypeNew.EWeaponTypeNew_Rifle,
            EWeaponTypeNew.EWeaponTypeNew_SingleShotSniper,
            EWeaponTypeNew.EWeaponTypeNew_BurstShotSniper,
            EWeaponTypeNew.EWeaponTypeNew_Submachine,
            EWeaponTypeNew.EWeaponTypeNew_ShotGun,
            EWeaponTypeNew.EWeaponTypeNew_Pistol,
            EWeaponTypeNew.EWeaponTypeNew_Crossbow,
        }
    },
    { __index = BuffActionBase, __metatable = BuffActionBase }
);

function BuffAction_BulletHitApplyRadialDamage:LuaDoAction()
    BuffActionBase.LuaDoAction(self)
    if not UGCGameSystem.IsServer() then return true end
    UGCLogSystem.LogTree("[BuffAction_BulletHitApplyRadialDamage_LuaUndoAction]", self.ShootWeaponType)

    -- 绑定Event传入的self可能有点问题，需要与存储OwnerPawn才能获取到正确的OwnerPawn
    UGCEventSystem.AddListener(EventEnum.BulletHitCallBack, self.BulletHitCallBack, self)
    -- 启用Tick
    self:EnableTick()
end

function BuffAction_BulletHitApplyRadialDamage:LuaUndoAction()
    BuffActionBase.LuaUndoAction(self)
    if not UGCGameSystem.IsServer() then return true end

    if self.CoolingHandle then
        UGCEventSystem.StopTimer(self.CoolingHandle)
    end
    UGCEventSystem.RemoveListener(EventEnum.BulletHitCallBack, self.BulletHitCallBack, self)
end

--function BuffAction_BulletHitApplyRadialDamage:LuaUpdateAction(DeltaSeconds)
--    BuffActionBase.LuaUpdateAction(self, DeltaSeconds)
--end

function BuffAction_BulletHitApplyRadialDamage:CheckWeapon(InWeaponInst)
    local WeaponItemID = InWeaponInst:GetWeaponItemID()
    if #self.FilterWeaponItemID > 0 then
        return table.hasValue(self.FilterWeaponItemID, WeaponItemID)
    end
    local WeaponTypeNew = InWeaponInst:GetWeaponTypeNew()
    UGCLogSystem.Log("[BuffAction_BulletHitApplyRadialDamage_CheckWeapon] WeaponTypeNew:%s", tostring(WeaponTypeNew))
    if self.IsShootWeapon  then
        return table.hasValue(self.ShootWeaponType, WeaponTypeNew)
    end
    return true
end

function BuffAction_BulletHitApplyRadialDamage:BulletHitCallBack(TargetPawn, WeaponInst, BulletInst, HitInfo)
    if self:GetOwnerPawn() == TargetPawn and self.bIsCooling == false and self:CheckWeapon(WeaponInst) then
        -- 冷却
        if self.CoolingTime > 1e-2 then
            self.bIsCooling = true
            self.CoolingHandle = UGCEventSystem.SetTimer(UGCGameSystem.GameState, function()
                self.bIsCooling = false
                self.CoolingHandle = nil
            end, self.CoolingTime)
        end
        local Pos = HitInfo.Location
        -- 施加范围伤害
        UGCGameSystem.ApplyRadialDamage(
					self.MaxDamage,
					self.MinDamage,
					Pos,
					self.InnerRadius,
					self.OuterRadius,
					self.FallOff,
					EDamageType.RadialDamage,
					{},
					WeaponInst,
					TargetPawn:GetController(),
					ECollisionChannel.ECC_Visibility,
					WeaponInst:GetWeaponItemID()
			);
        BuffSystemAPI.RPCAction(nil, self:GetInstID(), BuffActionConfig.EActionType.BulletHitApplyRadialDamage, "ClientExplosionFX", VectorHelper.ToLuaTable(Pos))
    end
end

function BuffAction_BulletHitApplyRadialDamage:ClientExplosionFX(Pos)
    if self.ParticleType then
        ParticleConfig.AddParticleFromPosAndRot(self.ParticleType, Pos, nil, self.OuterRadius / 100)
    end
    if self.SoundType then
        SoundSystem.PlaySound(self.SoundType, Pos, VectorHelper.RotZero())
    end
end

return BuffAction_BulletHitApplyRadialDamage;