--[[ Functions of BaseCamera that are overridden by OrbitalCamera ]]

--
function OrbitalCamera:GetCameraToSubjectDistance()
	return self.curDistance
end

function OrbitalCamera:SetCameraToSubjectDistance(desiredSubjectDistance)
	local player = PlayersService.LocalPlayer
	if player then
		self.currentSubjectDistance = Util.Clamp(self.minDistance, self.maxDistance, desiredSubjectDistance)

		-- OrbitalCamera is not allowed to go into the first-person range
		self.currentSubjectDistance = math.max(self.currentSubjectDistance, self.FIRST_PERSON_DISTANCE_THRESHOLD)
	end
	self.inFirstPerson = false
	self:UpdateMouseBehavior()
	return self.currentSubjectDistance
end

function OrbitalCamera:CalculateNewLookVector(suppliedLookVector, xyRotateVector)
	local currLookVector = suppliedLookVector or self:GetCameraLookVector()
	local currPitchAngle = math.asin(currLookVector.y)
	local yTheta = Util.Clamp(currPitchAngle - math.rad(MAX_ALLOWED_ELEVATION_DEG), currPitchAngle - math.rad(MIN_ALLOWED_ELEVATION_DEG), xyRotateVector.y)
	local constrainedRotateInput = Vector2.new(xyRotateVector.x, yTheta)
	local startCFrame = CFrame.new(ZERO_VECTOR3, currLookVector)
	local newLookVector = (CFrame.Angles(0, -constrainedRotateInput.x, 0) * startCFrame * CFrame.Angles(-constrainedRotateInput.y,0,0)).lookVector
	return newLookVector
end

function OrbitalCamera:GetGamepadPan(name, state, input)
	if input.UserInputType == self.activeGamepad and input.KeyCode == Enum.KeyCode.Thumbstick2 then
		if self.r3ButtonDown or self.l3ButtonDown then
		-- R3 or L3 Thumbstick is depressed, right stick controls dolly in/out
			if (input.Position.Y > THUMBSTICK_DEADZONE) then
				self.gamepadDollySpeedMultiplier = 0.96
			elseif (input.Position.Y < -THUMBSTICK_DEADZONE) then
				self.gamepadDollySpeedMultiplier = 1.04
			else
				self.gamepadDollySpeedMultiplier = 1.00
			end
		else
			if state == Enum.UserInputState.Cancel then
				self.gamepadPanningCamera = ZERO_VECTOR2
				return
			end

			local inputVector = Vector2.new(input.Position.X, -input.Position.Y)
			if inputVector.magnitude > THUMBSTICK_DEADZONE then
				self.gamepadPanningCamera = Vector2.new(input.Position.X, -input.Position.Y)
			else
				self.gamepadPanningCamera = ZERO_VECTOR2
			end
		end
		return Enum.ContextActionResult.Sink
	end
	return Enum.ContextActionResult.Pass
end

function OrbitalCamera:DoGamepadZoom(name, state, input)
	if input.UserInputType == self.activeGamepad and (input.KeyCode == Enum.KeyCode.ButtonR3 or input.KeyCode == Enum.KeyCode.ButtonL3) then
		if (state == Enum.UserInputState.Begin) then
			self.r3ButtonDown = input.KeyCode == Enum.KeyCode.ButtonR3
			self.l3ButtonDown = input.KeyCode == Enum.KeyCode.ButtonL3
		elseif (state == Enum.UserInputState.End) then
			if (input.KeyCode == Enum.KeyCode.ButtonR3) then
				self.r3ButtonDown = false
			elseif (input.KeyCode == Enum.KeyCode.ButtonL3) then
				self.l3ButtonDown = false
			end
			if (not self.r3ButtonDown) and (not self.l3ButtonDown) then
				self.gamepadDollySpeedMultiplier = 1.00
			end
		end
		return Enum.ContextActionResult.Sink
	end
	return Enum.ContextActionResult.Pass
end

function OrbitalCamera:BindGamepadInputActions()
	self:BindAction("OrbitalCamGamepadPan", function(name, state, input) return self:GetGamepadPan(name, state, input) end,
		false, Enum.KeyCode.Thumbstick2)
	self:BindAction("OrbitalCamGamepadZoom", function(name, state, input) return self:DoGamepadZoom(name, state, input) end,
		false, Enum.KeyCode.ButtonR3, Enum.KeyCode.ButtonL3)
end