BossClient

local rs = game.ReplicatedStorage:WaitForChild("BossReplicatedStorage")
local re = rs:WaitForChild("RemoteEvent")
local config = require(rs:WaitForChild("Configuration"))
local sounds = rs:WaitForChild("Sounds")
local anims = rs:WaitForChild("Animations")

local plr = game.Players.LocalPlayer
local char = script.Parent
local camera = workspace.CurrentCamera

local plrGui = plr:WaitForChild("PlayerGui")
local healthBarGui = plrGui:WaitForChild("BossHealthGui")
healthBarGui.Enabled = false

local shakeTrauma = 0
local shakeSeed = Random.new():NextNumber()
local shakeIterator = 0
local falloffSpeed = 1.6
local clientStart = tick()
local blurEffect = Instance.new("BlurEffect")
blurEffect.Size = 0
blurEffect.Parent = game.Lighting

local ts = game:GetService("TweenService")


function cameraShake(epicentre:any, duration:number, intensityScale)
    intensityScale = intensityScale or 1

    if typeof(epicentre) == "Vector3" then
        shakeTrauma = math.clamp(3/(char.HumanoidRootPart.Position - epicentre).Magnitude, 0, 2) * intensityScale
    else
        shakeTrauma = epicentre * intensityScale
    end

    if duration then
        falloffSpeed = shakeTrauma / duration
    else
        falloffSpeed = 1.6
    end

    shakeIterator = 0
    shakeSeed = Random.new():NextNumber()
end

function tweenModel(model:Model, goalCFrame:CFrame, length:number, style:Enum, direction:Enum)

    local cfv = model:FindFirstChildOfClass("CFrameValue")
    if not cfv then
        cfv = Instance.new("CFrameValue")
        cfv.Value = model:GetPivot()
        cfv.Parent = model

        cfv:GetPropertyChangedSignal("Value"):Connect(function()
            model:PivotTo(cfv.Value)
        end)
    end

    local ti = TweenInfo.new(length or 1, style or Enum.EasingStyle.Linear, direction or Enum.EasingDirection.InOut)
    local tween = ts:Create(cfv, ti, {Value = goalCFrame})
    tween:Play()
end


re.OnClientEvent:Connect(function(args)
    local instruction = args[1]

    if instruction == "TWEEN" then
        tweenModel(args[2], args[3], args[4], args[5], args[6])

    elseif instruction == "CAMERA SHAKE" then
        cameraShake(args[2], nil, args[3])


    elseif instruction == "BOSS INTRO CUTSCENE" then
        camera.CameraType = Enum.CameraType.Scriptable

        local boss = args[2]

        for _, instruction in pairs(config.IntroCutsceneInstructions) do
            local instructionType = instruction[1]

            if instructionType == "WAIT" then
                task.wait(instruction[2])

            elseif instructionType == "CAMERA SHAKE" then
                cameraShake(instruction[2], instruction[3])

            elseif instructionType == "PLAY SOUND" then
                local sound = sounds:WaitForChild(instruction[2])
                sound:Play()

            elseif instructionType == "PLAY ANIMATION" then
                local anim = boss.Humanoid.Animator:LoadAnimation(anims:WaitForChild(instruction[2]))
                anim:Play()

            elseif instructionType == "STOP ANIMATION" then
                local playingAnims = boss.Humanoid:GetPlayingAnimationTracks()
                for _, anim in pairs(playingAnims) do
                    if anim.Animation.Name == instruction[2] then
                        anim:Stop()
                        break
                    end
                end

            elseif instructionType == "MOVE" then
                local ti = TweenInfo.new(instruction[3], instruction[4], instruction[5])
                local tween = ts:Create(camera, ti, {CFrame = instruction[2]})
                tween:Play()
                tween.Completed:Wait()
            end
        end

        char.HumanoidRootPart.CFrame = config.BossRoom.Spawns.PlayerSpawn.CFrame
        camera.CameraType = Enum.CameraType.Custom
        sounds:WaitForChild("Music"):Play()

        local function updateBar()
            healthBarGui.HealthBarFrame.HealthAmount.Text = boss.Humanoid.Health .. "/" .. boss.Humanoid.MaxHealth
            healthBarGui.HealthBarFrame.HealthBar.Size = UDim2.new(boss.Humanoid.Health / boss.Humanoid.MaxHealth, 0, 1, 0)
        end
        updateBar()
        boss.Humanoid.HealthChanged:Connect(updateBar)

        healthBarGui.Enabled = true

    elseif instruction == "BOSS FIGHT END" then
        sounds.Music:Stop()
        healthBarGui.Enabled = false
    end
end)


game:GetService("RunService").RenderStepped:Connect(function()

    if shakeTrauma > 0 then

        local now = tick() - clientStart
        shakeIterator += 1

        local shake = (shakeTrauma ^ 2) / 3

        local noiseX = (math.noise(shakeIterator, now, shakeSeed)) * shake
        local noiseY = (math.noise(shakeIterator + 1, now, shakeSeed)) * shake
        local noiseZ = (math.noise(shakeIterator + 2 + 1, now, shakeSeed)) * shake

        if camera.CameraType == Enum.CameraType.Scriptable then
            camera.CFrame = camera.CFrame * CFrame.Angles(noiseX / 50, noiseY / 50, noiseZ / 50) + Vector3.new(noiseX, noiseY, noiseZ)
        else
            char.Humanoid.CameraOffset = Vector3.new(noiseX, noiseY, noiseZ)
            camera.CFrame = camera.CFrame * CFrame.Angles(noiseX / 50, noiseY / 50, noiseZ / 50)
        end

        blurEffect.Size = shake * 5

        shakeTrauma = math.clamp(shakeTrauma - falloffSpeed * game:GetService("RunService").Heartbeat:Wait(), 0, 3)

    else
        char.Humanoid.CameraOffset = Vector3.new(0, 0, 0)
    end
end)