Praxis3D/Praxis3D/Data/Scripts/Window_controls.lua

--[[
	Basic window controls by hot-keys.
	
	Functions:
	- Go back to main menu
	- Toggle full-screen mode
	- Toggle mouse capture mode
	- Toggle v-sync mode
]]--

function init ()
	-- Create needed variables
	create(Types.EngineVariables, 'engineVariables');
	create(Types.InputVariables, 'inputVariables');
	create(Types.WindowVariables, 'windowVariables');
	
	-- Create key commands, used to track pressed keys
	create(Types.KeyCommand, 'closeKey')
	create(Types.KeyCommand, 'fullscreenKey')
	create(Types.KeyCommand, 'mouseCaptureKey')
	create(Types.KeyCommand, 'vsyncKey')
	
	-- Bind keys to their corresponding buttons on the keyboard
	closeKey:bind(inputVariables.close_window_key)
	fullscreenKey:bind(inputVariables.fullscreen_key)
	mouseCaptureKey:bind(inputVariables.clip_mouse_key)
	vsyncKey:bind(inputVariables.vsync_key)
	
	-- Get current variables
	fullscreenBool = windowVariables.fullscreen
	mouseCaptureBool = windowVariables.mouse_captured
	vsyncBool = windowVariables.vertical_sync
	
	ErrHandlerLoc.logErrorCode(ErrorCode.Initialize_success, getLuaFilename())
end

function update (p_deltaTime)
		
	if closeKey:isActivated() then
		-- If the current engine state is PlayState, unload it and return to main menu
		if getEngineState() == EngineStateType.Play then
			sendEngineChange(EngineChangeType.StateChange, EngineStateType.MainMenu)
			sendEngineChange(EngineChangeType.SceneUnload, EngineStateType.Play)
		end
	end	
	
	if fullscreenKey:isActivated() then
		-- Invert the corresponding bool
		fullscreenBool = not fullscreenBool
		-- Make the window fullscreen/windowed
		setFullscreen(fullscreenBool)
		-- Deactivate the button, so it's not triggered the next frame, unless pressed again
		fullscreenKey:deactivate()
	end	
	
	if mouseCaptureKey:isActivated() then
		-- Invert the corresponding bool
		mouseCaptureBool = not mouseCaptureBool
		-- Capture/release the mouse
		setMouseCapture(mouseCaptureBool)
		-- Deactivate the button, so it's not triggered the next frame, unless pressed again
		mouseCaptureKey:deactivate()
	end	
	
	if vsyncKey:isActivated() then
		-- Invert the corresponding bool
		vsyncBool = not vsyncBool
		-- Enable/disable vertical synchronization
		setVerticalSync(vsyncBool)
		-- Deactivate the button, so it's not triggered the next frame, unless pressed again
		vsyncKey:deactivate()
	end	
end