--!optimize 2
--!native
--!strict

type ClassConstructor = typeof(setmetatable({} :: Constructor_Return_Props, {} :: Impl_Constructor))
type Impl_Constructor = {
	__index: Impl_Constructor,
	constructor: Constructor_Fun,
	--Class functions
	UpdateCFrame:   (self: ClassConstructor) -> (),
	Frame_Pullies:  (self: ClassConstructor, Delta: number, ElevatorVelocity_Y: number) -> (),
	Frame_PiePlate: (self: ClassConstructor, Delta: number, ElevatorVelocity_Y: number) -> ()
}

type Constructor_Fun = (InstanceTree: InstanceTree) -> ClassConstructor
type Constructor_Return_Props = InstanceTree

export type MachineRoom = {
	Pulley:           UnionOperation,
	Pulley2:          UnionOperation,
	Governor:         UnionOperation,
	GovernorFlyballs: Part,
	PiePlatePulley:   UnionOperation,
	PiePlateSelector: UnionOperation,
	PiePlatePlates:   UnionOperation,

	_CFrame: {
		PulleyCFrame:           CFrame,
		Pulley2CFrame:          CFrame,
		GovernorCFrame:         CFrame,
		GovernorFlyballsCFrame: CFrame,
		PieplatePulleyCFrame:   CFrame,
		PieplateSelectorCFrame: CFrame,
		PiePlatePlatesCFrame:   CFrame
	}
}

export type InstanceTree = {
	MachineRoom: MachineRoom
}

export type MovingObjectsConstructor = ClassConstructor

local MovingObjects = {} :: Impl_Constructor
MovingObjects.__index = MovingObjects

function MovingObjects.constructor(InstanceTree)
	local self = InstanceTree :: Constructor_Return_Props
	
	self.MachineRoom._CFrame.PulleyCFrame           = InstanceTree.MachineRoom.Pulley.CFrame
	self.MachineRoom._CFrame.Pulley2CFrame          = InstanceTree.MachineRoom.Pulley2.CFrame
	self.MachineRoom._CFrame.GovernorCFrame         = InstanceTree.MachineRoom.Governor.CFrame
	self.MachineRoom._CFrame.GovernorFlyballsCFrame = InstanceTree.MachineRoom.GovernorFlyballs.CFrame
	self.MachineRoom._CFrame.PieplatePulleyCFrame   = InstanceTree.MachineRoom.PiePlatePulley.CFrame
	self.MachineRoom._CFrame.PiePlatePlatesCFrame   = InstanceTree.MachineRoom.PiePlatePlates.CFrame

	--static
	self.MachineRoom._CFrame.PieplateSelectorCFrame = InstanceTree.MachineRoom.PiePlateSelector.CFrame

	return setmetatable(self, MovingObjects)
end

function MovingObjects:UpdateCFrame()
	self.MachineRoom._CFrame.PulleyCFrame           = self.MachineRoom.Pulley.CFrame
	self.MachineRoom._CFrame.Pulley2CFrame          = self.MachineRoom.Pulley2.CFrame
	self.MachineRoom._CFrame.GovernorCFrame         = self.MachineRoom.Governor.CFrame
	self.MachineRoom._CFrame.GovernorFlyballsCFrame = self.MachineRoom.GovernorFlyballs.CFrame
	self.MachineRoom._CFrame.PieplatePulleyCFrame   = self.MachineRoom.PiePlatePulley.CFrame
	self.MachineRoom._CFrame.PieplateSelectorCFrame = self.MachineRoom.PiePlateSelector.CFrame
end

function MovingObjects:Frame_Pullies(Delta, ElevatorVelocity_Y)
	local MR   = self.MachineRoom
	local MR_C = MR._CFrame

	local RotAngle    = Delta*ElevatorVelocity_Y
	local PullAngle_2 = math.rad(RotAngle/2)
	local PullAngle   = math.rad(RotAngle)

	MR.Pulley.CFrame           = MR_C.PulleyCFrame          *CFrame.Angles(-PullAngle_2, 0, 0)
	MR.Pulley2.CFrame          = MR_C.Pulley2CFrame         *CFrame.Angles(PullAngle_2,  0, 0)
	MR.Governor.CFrame         = MR_C.GovernorCFrame        *CFrame.Angles(0, PullAngle_2,  0)
	MR.GovernorFlyballs.CFrame = MR_C.GovernorFlyballsCFrame*CFrame.Angles(PullAngle,    0, 0)
	MR.PiePlatePulley.CFrame   = MR_C.PieplatePulleyCFrame  *CFrame.Angles(PullAngle_2,  0, 0)
end

function MovingObjects:Frame_PiePlate(Delta, ElevatorVelocity_Y)
	local MR   = self.MachineRoom
	local MR_C = MR._CFrame

	MR.PiePlateSelector.CFrame = MR_C.PieplateSelectorCFrame+Vector3.new(0, Delta/580, 0)
	MR.PiePlatePlates.CFrame   = MR_C.PiePlatePlatesCFrame  *CFrame.Angles(-math.rad(Delta*5), 0, 0)
end

return MovingObjects