UGCProjects/TwoPlayerDuel/Script/Blueprint/SceneActor/AttackPoint/BP_AttackPoint.lua

---@class BP_AttackPoint_C:AActor
---@field Sphere USphereComponent
---@field P_AttackPoint UParticleSystemComponent
---@field DefaultSceneRoot USceneComponent
--Edit Below--
local BP_AttackPoint = {
    -- 是否激活
    IsActive = false;
    -- 占领的时间
    LastProgress = 0;
    -- 开始占领的时间
    StartOccupyTime = 0;
    -- 正在占领中
    IsOccupying = false;
    -- 是否成功占领
    IsSuccessfullyOccupied = false;
    -- 检测的帧数
    FPS = 5.;
}

function BP_AttackPoint:GetReplicatedProperties()
    return
    "IsActive"
    ,"LastProgress"
    ,"StartOccupyTime"
    ,"IsOccupying"
    ,"IsSuccessfullyOccupied"
end
 
--[[
function BP_AttackPoint:ReceiveBeginPlay()
    BP_AttackPoint.SuperClass.ReceiveBeginPlay(self)
end
--]]

--[[
function BP_AttackPoint:ReceiveTick(DeltaTime)
    BP_AttackPoint.SuperClass.ReceiveTick(self, DeltaTime)
end
--]]


function BP_AttackPoint:ReceiveEndPlay()
    if UGCGameSystem.IsServer() then
        self:SetActiveAttackPoint(false)
    end
    BP_AttackPoint.SuperClass.ReceiveEndPlay(self) 
end



--[[
function BP_AttackPoint:GetAvailableServerRPCs()
    return
end
--]]

function BP_AttackPoint:GetActive()
    return self.IsActive
end

function BP_AttackPoint:SetActiveAttackPoint(InIsActive)

    if InIsActive ~= self.IsActive then
        self.IsActive = InIsActive
        if self.IsActive then
            -- 初始化
            self.LastProgress = 0;
            self.IsOccupying = false;
            self.IsSuccessfullyOccupied = false;
            -- 设置Loop
            if self.UpdateHandle == nil then
                self.UpdateHandle = UGCEventSystem.SetTimerLoop(self, self.UpdateAttackPointProgress, 1./self.FPS)
            end
        else
            if self.UpdateHandle then
                UGCEventSystem.StopTimer(self.UpdateHandle)
                self.UpdateHandle = nil
            end
        end
    end
end

function BP_AttackPoint:UpdateAttackPointProgress()
    local AttackTeamID = UGCGameSystem.GameState:GetAttackTeam()
    local TeamPlayers = UGCTeamSystem.GetPlayerKeysByTeamID(AttackTeamID)
    local SelfPos = self:K2_GetActorLocation()
    local TargetRadius = self.Sphere:GetScaledSphereRadius()
    UGCLogSystem.Log("[BP_AttackPoint_UpdateAttackPointProgress] TargetRadius:%s, AttackTeamID:%s", tostring(TargetRadius), tostring(AttackTeamID))
    UGCLogSystem.LogTree("[BP_AttackPoint_UpdateAttackPointProgress]", TeamPlayers)
    local IsInRange = false
    -- 判断进攻方玩家是否在范围内
    for i, v in pairs(TeamPlayers) do
        local PlayerPawn = UGCGameSystem.GetPlayerPawnByPlayerKey(v)
        if UE.IsValid(PlayerPawn) and PlayerPawn:IsAlive() then
            local PawnPos = PlayerPawn:K2_GetActorLocation()
            local Dis = VectorHelper.GetDistance(SelfPos, PawnPos)
            UGCLogSystem.Log("[BP_AttackPoint_UpdateAttackPointProgress] Length:%s", tostring(Dis))
            if Dis <= TargetRadius and PawnPos.Z >= SelfPos.Z then
                IsInRange = true
                break
            end
        end
    end
    UGCLogSystem.Log("[BP_AttackPoint_UpdateAttackPointProgress] IsInRange:%s", tostring(IsInRange))
    -- 设置是否有玩家在范围内
    if IsInRange then
        self:PlayerEnterAttackPoint()
    else
        self:PlayerLeaveAttackPoint()
    end
    -- 判断是否占点成功
    if not self.IsSuccessfullyOccupied then
        if self:CheckIsSuccessfullyOccupied() then
            -- 成功后发送通知
            UGCEventSystem.SendEvent(EventEnum.UpdateSuccessfullyOccupied)
            -- 关闭占点
            self:SetActiveAttackPoint(false)
        end
    end
end

function BP_AttackPoint:PlayerEnterAttackPoint()
    if not self.IsOccupying then
        self.IsOccupying = true
        self.StartOccupyTime = UGCGameSystem.GameState:GetServerGameTime()
    end
end

function BP_AttackPoint:PlayerLeaveAttackPoint()
    if self.IsOccupying then
        self.LastProgress = self:GetProgress()
        self.IsOccupying = false
    end
end

-- 获取占领进度  返回秒
function BP_AttackPoint:GetProgress()
    if self.IsOccupying then
        return self.LastProgress + (UGCGameSystem.GameState:GetServerGameTime() - self.StartOccupyTime)
    else
        return self.LastProgress
    end
end

function BP_AttackPoint:CheckIsSuccessfullyOccupied()
    if self.IsSuccessfullyOccupied then
        return true
    end
    return self:GetProgress() >= ProjectConfig.AttackPointTime
end



return BP_AttackPoint