/**
 * System takes care of updating all the entities (based on their component data)
 * @param apiSystem GameLib.API.System
 * @constructor
 */
GameLib.System.Input = function(
    apiSystem
) {
	GameLib.System.call(
        this,
        apiSystem
    );

	this.selectAll 		= false;

	this.controlLeft	= false;

	this.sensitivityCounter = 0;

	this.editorControls     = [];
	this.touchControls      = [];
	this.keyboardControls   = [];
	this.mouseControls      = [];

    /**
     * Touch Controls
     * @type {null}
     */
    this.touchStart     = this.onTouchStart.bind(this);
    this.touchMove      = this.onTouchMove.bind(this);
    this.touchEnd       = this.onTouchEnd.bind(this);
    this.touchCancel    = this.onTouchCancel.bind(this);

    /**
     * Keyboard Controls
     * @type {null}
     */
    this.keyboardKeyUp      = this.onKeyboardKeyUp.bind(this);
    this.keyboardKeyDown    = this.onKeyboardKeyDown.bind(this);

    /**
     * Mouse Controls
     * @type {null}
     */
    this.mouseDown  = this.onMouseDown.bind(this);
    this.mouseMove  = this.onMouseMove.bind(this);
    this.mouseWheel = this.onMouseWheel.bind(this);
    this.mouseUp    = this.onMouseUp.bind(this);


    /**
     * Editor Controls
     * @type {null}
     */
    this.keyDown        = this.onKeyDown.bind(this);
    this.keyUp          = this.onKeyUp.bind(this);
    this.mouseDownEdit  = this.onMouseDownEdit.bind(this);
    this.mouseMoveEdit  = this.onMouseMoveEdit.bind(this);
    this.mouseWheelEdit = this.onMouseWheelEdit.bind(this);
    this.mouseUpEdit    = this.onMouseUpEdit.bind(this);

    this.delayedInstanceEncounteredSubscription = null;
    this.instanceCreatedSubscription = null;
    this.removeComponentSubscription = null;
    this.domElementChangeSubscription = null;

    this.mouse = new GameLib.Mouse();
};

GameLib.System.Input.prototype = Object.create(GameLib.System.prototype);
GameLib.System.Input.prototype.constructor = GameLib.System.Input;

/**
 *
 */
GameLib.System.Input.prototype.start = function() {

    GameLib.System.prototype.start.call(this);
    
    this.instanceCreatedSubscription = GameLib.Event.Subscribe(
        GameLib.Event.INSTANCE_CREATED,
        this.instanceCreated.bind(this)
    );

    this.removeComponentSubscription = GameLib.Event.Subscribe(
        GameLib.Event.REMOVE_COMPONENT,
        this.removeComponent.bind(this)
    );
    
    this.delayedInstanceEncounteredSubscription = GameLib.Event.Subscribe(
        GameLib.Event.DELAYED_INSTANCE_ENCOUNTERED,
        this.delayedInstanceEncountered.bind(this)
    );

    this.domElementChangeSubscription = GameLib.Event.Subscribe(
        GameLib.Event.DOM_ELEMENT_CHANGE,
        this.domElementChange.bind(this)
    );

    this.editorControls     = GameLib.EntityManager.Instance.queryComponents(GameLib.Component.CONTROLS_EDITOR);

    this.touchControls      = GameLib.EntityManager.Instance.queryComponents(GameLib.Component.CONTROLS_TOUCH);

    this.keyboardControls   = GameLib.EntityManager.Instance.queryComponents(GameLib.Component.CONTROLS_KEYBOARD);

    this.mouseControls      = GameLib.EntityManager.Instance.queryComponents(GameLib.Component.CONTROLS_MOUSE);

    /**
     * If we have touch controls - inject them first so we can override editor controls if necessary
     */
    this.touchControls.map(
        function(touchControl){
            this.registerTouchControls(touchControl);
        }.bind(this)
    );

    this.keyboardControls.map(
        function(keyboardControl){
            this.registerKeyboardControls(keyboardControl);
        }.bind(this)
    );

    this.mouseControls.map(
        function(mouseControl){
            this.registerMouseControls(mouseControl);
        }.bind(this)
    );

    this.editorControls.map(
        function(editorControl){
            this.registerEditorControls(editorControl);
        }.bind(this)
    );

};

/**
 *
 */
GameLib.System.Input.prototype.stop = function() {

    GameLib.System.prototype.stop.call(this);

    this.instanceCreatedSubscription.remove();

    this.removeComponentSubscription.remove();

    this.delayedInstanceEncounteredSubscription.remove();

    this.domElementChangeSubscription.remove();

    this.touchControls.map(
        function(touchControl){
            this.deRegisterTouchControls(touchControl);
        }.bind(this)
    );

    this.keyboardControls.map(
        function(keyboardControl){
            this.deRegisterKeyboardControls(keyboardControl);
        }.bind(this)
    );

    this.mouseControls.map(
        function(mouseControl){
            this.deRegisterMouseControls(mouseControl);
        }.bind(this)
    );

    this.editorControls.map(
        function(editorControl){
            this.deRegisterEditorControls(editorControl);
        }.bind(this)
    );

    this.editorControls = [];

    this.touchControls = [];

    this.keyboardControls = [];

    this.mouseControls = [];

};

/**
 *
 * @param data
 */
GameLib.System.Input.prototype.domElementChange = function(data) {
    if (data.component instanceof GameLib.Controls) {
        console.log('todo: implement dom element change');
    }
};

/**
 * From now on we want to track everything about a component, only from the systems that are active
 * @param data
 */
GameLib.System.Input.prototype.instanceCreated = function(data) {

    if (data.component instanceof GameLib.Controls.Touch) {

        if (this.touchControls.indexOf(data.component) !== -1) {
            console.warn('Touch controls already registered');
            return;
        }

        this.touchControls.push(data.component);
        this.registerTouchControls(data.component);
    }

    if (data.component instanceof GameLib.Controls.Keyboard) {

        if (this.keyboardControls.indexOf(data.component) !== -1) {
            console.warn('Keyboard controls already registered');
            return;
        }

        this.keyboardControls.push(data.component);
        this.registerKeyboardControls(data.component);
    }

    if (data.component instanceof GameLib.Controls.Mouse) {

        if (this.mouseControls.indexOf(data.component) !== -1) {
            console.warn('Mouse controls already registered');
            return;
        }

        this.mouseControls.push(data.component);
        this.registerMouseControls(data.component);
    }

};

/**
 * Removes controls from this system
 * @param data
 */
GameLib.System.Input.prototype.removeComponent = function(data) {

    var index;

    if (data.component instanceof GameLib.Controls.D3.Editor) {

        index = this.editorControls.indexOf(data.component);

        if (index === -1) {
            console.warn('Failed to find the editor controls in the system - probably it was ignored - ' + data.component.name);
            return;
        }

        console.log('removing editor controls from system');

        this.deRegisterEditorControls(data.component);

        this.editorControls.splice(index, 1);
    }

    if (data.component instanceof GameLib.Controls.Touch) {

        index = this.touchControls.indexOf(data.component);

        if (index === -1) {
            console.warn('Failed to find the touch controls in the system - probably it was ignored - ' + data.component.name);
            return;
        }

        console.log('removing touch controls from system');

        this.deRegisterTouchControls(data.component);

        this.touchControls.splice(index, 1);
    }

    if (data.component instanceof GameLib.Controls.Keyboard) {

        index = this.keyboardControls.indexOf(data.component);

        if (index === -1) {
            console.warn('Failed to find the keyboard controls in the system - probably it was ignored - ' + data.component.name);
            return;
        }

        console.log('removing keyboard controls from system');

        this.deRegisterKeyboardControls(data.component);

        this.keyboardControls.splice(index, 1);
    }

    if (data.component instanceof GameLib.Controls.Mouse) {

        index = this.mouseControls.indexOf(data.component);

        if (index === -1) {
            console.warn('Failed to find the mouse controls in the system - probably it was ignored - ' + data.component.name);
            return;
        }

        console.log('removing mouse controls from system');

        this.deRegisterMouseControls(data.component);

        this.mouseControls.splice(index, 1);
    }

};

/**
 * Delayed Instance - we need to check if editControls will block the loading process (since only one will be created)
 * @param data
 */
GameLib.System.Input.prototype.delayedInstanceEncountered = function(data) {

    if (data.component instanceof GameLib.Controls.D3.Editor) {

        if (this.editorControls.indexOf(data.component) !== -1) {
            console.warn('Editor controls already registered');
            return;
        }

        this.editorControls.push(data.component);

        this.registerEditorControls(data.component);
    }

};

GameLib.System.Input.prototype.registerTouchControls = function(touchControl) {

    if (!touchControl.domElement || !touchControl.domElement.instance) {
        console.warn('no domElement at time of registration of touch controls - this part will be skipped');
        return;
    }

    touchControl.domElement.instance.addEventListener(
        'touchstart',
        this.touchStart,
        true
    );

    touchControl.domElement.instance.addEventListener(
        'touchmove',
        this.touchMove,
        true
    );
    touchControl.domElement.instance.addEventListener(
        'touchend',
        this.touchEnd,
        true
    );
    touchControl.domElement.instance.addEventListener(
        'touchcancel',
        this.touchCancel,
        true
    );
};

GameLib.System.Input.prototype.registerKeyboardControls = function(keyboardControl) {

    if (!keyboardControl.domElement || !keyboardControl.domElement.instance) {
        console.warn('no domElement at time of registration of keyboard controls - this part will be skipped');
        return;
    }

    keyboardControl.domElement.instance.addEventListener(
        'keyup',
        this.keyboardKeyUp,
        true
    );

    keyboardControl.domElement.instance.addEventListener(
        'keydown',
        this.keyboardKeyDown,
        true
    );
};

GameLib.System.Input.prototype.registerMouseControls = function(mouseControl) {

    if (!mouseControl.domElement || !mouseControl.domElement.instance) {
        console.warn('no domElement at time of registration of mouse controls - this part will be skipped');
        return;
    }

    mouseControl.domElement.instance.addEventListener(
        'mousedown',
        this.mouseDown,
        false
    );

    mouseControl.domElement.instance.addEventListener(
        'mousemove',
        this.mouseMove,
        false
    );

    mouseControl.domElement.instance.addEventListener(
        'wheel',
        this.mouseWheel,
        false
    );

    mouseControl.domElement.instance.addEventListener(
        'mouseup',
        this.mouseUp,
        false
    ); 
};

GameLib.System.Input.prototype.registerEditorControls = function(editorControl) {
    //
    // /**
    //  * If we already have mouse controls, we don't want to add another event listener onto the DOM
    //  */
    // this.mouseControls.map(
    //     function(mouseControl) {
    //         if (mouseControl.domElement.instance === editorControl.domElement.instance) {
    //             this.deRegisterMouseControls(mouseControl);
    //         }
    //     }.bind(this)
    // );
    //
    // /**
    //  * If we already have keyboard controls, we don't want to add another event listener onto the DOM
    //  */
    // this.keyboardControls.map(
    //     function(keyboardControl) {
    //         if (keyboardControl.domElement.instance === editorControl.domElement.instance) {
    //             this.deRegisterKeyboardControls(keyboardControl);
    //         }
    //     }.bind(this)
    // );

    if (!editorControl.domElement || !editorControl.domElement.instance) {
        console.warn('no domElement at time of registration of editor controls - are you sure you know what you are doing?');
        return;
    }

    editorControl.domElement.instance.addEventListener(
        'mousedown',
        this.mouseDownEdit,
        true
    );

    editorControl.domElement.instance.addEventListener(
        'mousemove',
        this.mouseMoveEdit,
        true
    );

    editorControl.domElement.instance.addEventListener(
        'keydown',
        this.keyDown,
        true
    );

    editorControl.domElement.instance.addEventListener(
        'keyup',
        this.keyUp,
        true
    );

    /**
     * The order of creation is important here - it changes the way the DOM reacts to events
     */
    editorControl.createInstance();

    editorControl.domElement.instance.addEventListener(
        'wheel',
        this.mouseWheelEdit,
        true
    );

    editorControl.domElement.instance.addEventListener(
        'mouseup',
        this.mouseUpEdit,
        true
    );
};

GameLib.System.Input.prototype.deRegisterEditorControls = function(editorControl) {

    editorControl.domElement.instance.removeEventListener(
        'mousedown',
        this.mouseDownEdit,
        true
    );

    editorControl.domElement.instance.removeEventListener(
        'mousemove',
        this.mouseMoveEdit,
        true
    );

    editorControl.domElement.instance.removeEventListener(
        'keydown',
        this.keyDown,
        true
    );

    editorControl.domElement.instance.removeEventListener(
        'keyup',
        this.keyUp,
        true
    );

    editorControl.instance.dispose();

    editorControl.domElement.instance.removeEventListener(
        'wheel',
        this.mouseWheelEdit,
        true
    );

    editorControl.domElement.instance.removeEventListener(
        'mouseup',
        this.mouseUpEdit,
        true
    );

};

GameLib.System.Input.prototype.deRegisterTouchControls = function(touchControl) {

    touchControl.domElement.instance.removeEventListener(
        'touchstart',
        this.touchStart,
        true
    );

    touchControl.domElement.instance.removeEventListener(
        'touchmove',
        this.touchMove,
        true
    );

    touchControl.domElement.instance.removeEventListener(
        'touchend',
        this.touchEnd,
        true
    );

    touchControl.domElement.instance.removeEventListener(
        'touchcancel',
        this.touchCancel,
        true
    );

};

GameLib.System.Input.prototype.deRegisterKeyboardControls = function(keyboardControl) {

    keyboardControl.domElement.instance.removeEventListener(
        'keydown',
        this.keyboardKeyDown,
        true
    );

    keyboardControl.domElement.instance.removeEventListener(
        'keyup',
        this.keyboardKeyUp,
        true
    );

};


GameLib.System.Input.prototype.deRegisterMouseControls = function(mouseControl) {

    mouseControl.domElement.instance.removeEventListener(
        'mousedown',
        this.mouseDown,
        false
    );

    mouseControl.domElement.instance.removeEventListener(
        'mousemove',
        this.mouseMove,
        false
    );

    mouseControl.domElement.instance.removeEventListener(
        'wheel',
        this.mouseWheel,
        false
    );

    mouseControl.domElement.instance.removeEventListener(
        'mouseup',
        this.mouseUp,
        false
    );

};

GameLib.System.Input.prototype.onKeyboardKeyUp = function(event) {
    GameLib.Event.Emit(
        GameLib.Event.KEY_DOWN,
        {
            code : event.code
        }
    );

};

GameLib.System.Input.prototype.onKeyboardKeyDown = function(event) {
    GameLib.Event.Emit(
        GameLib.Event.KEY_UP,
        {
            code : event.code
        }
    );

};

GameLib.System.Input.prototype.onTouchStart = function(event) {

    this.sensitivityCounter = 0;

    this.touches = {};

    for (var t = 0; t < event.touches.length; t++) {
        this.touches[event.touches[t].identifier] = {
            left : 0,
            right : 0,
            up : 0,
            down : 0,
            lastTouchX : event.touches[t].pageX,
            lastTouchY : event.touches[t].pageY,
            pageX : event.touches[t].pageX,
            pageY : event.touches[t].pageY,
            cancelled : false,
            ended : false
        };
    }

    this.touches.event = event;

    GameLib.Event.Emit(
        GameLib.Event.TOUCH_START,
        this.touches
    )
};

GameLib.System.Input.prototype.onTouchMove = function (event) {

    this.sensitivityCounter++;

    var id = null;

    var leftTouch = null;
    var rightTouch = null;
    var bottomTouch = null;
    var topTouch = null;

    var inward = false;
    var outward = false;
    var pinch = false;
    var zoom = false;

    for (var t = 0; t < event.changedTouches.length; t++) {

        id = event.changedTouches[t].identifier;

        if (this.touches[id]) {

            var diffX = Math.abs(this.touches[id].lastTouchX - event.changedTouches[t].pageX);
            var diffY = Math.abs(this.touches[id].lastTouchY - event.changedTouches[t].pageY);

            var left = 0;
            var right = 0;
            var up = 0;
            var down = 0;

            if (this.touches[id].lastTouchX < event.changedTouches[t].pageX) {
                right += diffX;
            }

            if (this.touches[id].lastTouchX > event.changedTouches[t].pageX) {
                left += diffX;
            }

            if (this.touches[id].lastTouchY > event.changedTouches[t].pageY) {
                up += diffY;
            }

            if (this.touches[id].lastTouchY < event.changedTouches[t].pageY) {
                down += diffY;
            }

            this.touches[id].right = right;
            this.touches[id].left = left;
            this.touches[id].up = up;
            this.touches[id].down = down;
            this.touches[id].lastTouchX = event.changedTouches[t].pageX;
            this.touches[id].lastTouchY = event.changedTouches[t].pageY;
            this.touches[id].pageX = event.changedTouches[t].pageX;
            this.touches[id].pageY = event.changedTouches[t].pageY;
        }
    }

    if (event.changedTouches.length === 2) {
        if (event.changedTouches[0].pageX < event.changedTouches[1].pageX) {
            leftTouch = this.touches[event.changedTouches[0].identifier];
            rightTouch = this.touches[event.changedTouches[1].identifier];
        } else {
            leftTouch = this.touches[event.changedTouches[1].identifier];
            rightTouch = this.touches[event.changedTouches[0].identifier];
        }

        if (event.changedTouches[0].pageY < event.changedTouches[1].pageY) {
            bottomTouch = this.touches[event.changedTouches[1].identifier];
            topTouch = this.touches[event.changedTouches[0].identifier];
        } else {
            bottomTouch = this.touches[event.changedTouches[0].identifier];
            topTouch = this.touches[event.changedTouches[1].identifier];
        }
    }

    if (leftTouch && leftTouch.left && rightTouch && rightTouch.right) {
        outward = true;
    }

    if (leftTouch && leftTouch.right && rightTouch && rightTouch.left) {
        inward = true;
    }

    if (bottomTouch && bottomTouch.up && topTouch && topTouch.down) {
        pinch = true;
    }

    if (bottomTouch && bottomTouch.down && topTouch && topTouch.up) {
        zoom = true;
    }

    this.touches.event = event;

    this.touches.meta = {
        inward : inward,
        outward : outward,
        pinch : pinch,
        zoom : zoom
    };

    // if (this.sensitivityCounter >= this.touchSensitivity) {
    //
    //     this.sensitivityCounter = 0;

        GameLib.Event.Emit(
            GameLib.Event.TOUCH_MOVE,
            this.touches
        );

    // }

};

GameLib.System.Input.prototype.onTouchCancel = function(event) {

    this.sensitivityCounter = 0;

    for (var t = 0; t < event.changedTouches.length; t++) {
        this.touches[event.changedTouches[t].identifier].cancelled = true;
        this.touches[event.changedTouches[t].identifier].event = event;
        GameLib.Event.Emit(
            GameLib.Event.TOUCH_CANCEL,
            this.touches[event.changedTouches[t].identifier]
        );
        delete this.touches[event.changedTouches[t].identifier];
    }
};

GameLib.System.Input.prototype.onTouchEnd = function(event) {

    this.sensitivityCounter = 0;

    for (var t = 0; t < event.changedTouches.length; t++) {
        this.touches[event.changedTouches[t].identifier].ended = true;
        this.touches[event.changedTouches[t].identifier].event = event;
        GameLib.Event.Emit(
            GameLib.Event.TOUCH_END,
            this.touches[event.changedTouches[t].identifier]
        );
        delete this.touches[event.changedTouches[t].identifier];
    }
};

GameLib.System.Input.prototype.onKeyDown = function(event) {

	console.log('input system emitted keypress ' + event.code);

	GameLib.Event.Emit(
		GameLib.Event.KEY_DOWN,
		{
			code : event.code
		}
	);

	var meshes = null;

	if (event.code === 'Delete') {

		meshes = GameLib.EntityManager.Instance.queryComponentsByConstructor(GameLib.D3.Mesh);

		var deletedMeshes = [];

		meshes.map(
			function(mesh) {
				if (mesh.selected) {

					deletedMeshes.push(mesh);

					mesh.removeHelper();

					var scene = mesh.parentScene;
					scene.removeObject(mesh);
					scene.buildIdToObject();
				}
			}.bind(this)
		);

		GameLib.Event.Emit(
			GameLib.Event.REMOVE_MESH,
			{
				meshes : deletedMeshes
			}
		);

	}

	if (event.code === 'ControlLeft') {
		this.controlLeft = true;
	}

	if (event.code === 'KeyA') {

		this.selectAll = !this.selectAll;

		meshes = GameLib.EntityManager.Instance.queryComponentsByConstructor(GameLib.D3.Mesh);

		meshes.map(function(mesh){
			if (this.selectAll) {
				this.selectMesh(mesh);
			} else {
				this.deSelectMesh(mesh);
			}
		}.bind(this));

		GameLib.Event.Emit(
			GameLib.Event.BUILD_GUI,
			null
		)

	}

	if (event.code === 'KeyP') {
	    GameLib.Event.Emit(GameLib.Event.GAME_PAUSE);
    }
};

GameLib.System.Input.prototype.onKeyUp = function(event) {

	GameLib.Event.Emit(
		GameLib.Event.KEY_UP,
		{
			code : event.code
		}
	);

	if (event.code === 'ControlLeft') {
		this.controlLeft = false;
	}
};

GameLib.System.Input.prototype.onMouseDown = function(event) {

    GameLib.Event.Emit(
        GameLib.Event.MOUSE_DOWN,
        {
            event : event
        }
    )
};

GameLib.System.Input.prototype.onMouseMove = function(event) {

    GameLib.Event.Emit(
        GameLib.Event.MOUSE_MOVE,
        {
            event : event
        }
    )
};

GameLib.System.Input.prototype.onMouseWheel = function(event) {

    GameLib.Event.Emit(
        GameLib.Event.MOUSE_WHEEL,
        {
            event : event
        }
    )
};

GameLib.System.Input.prototype.onMouseUp = function(event) {

    GameLib.Event.Emit(
        GameLib.Event.MOUSE_UP,
        {
            event : event
        }
    )
};

GameLib.System.Input.prototype.onMouseDownEdit = function(event) {

    if (event.button === 2) {

        this.editorControls.map(

            function(editorControl) {

                if (this.controlLeft) {
                    return;
                }

                this.mouse.x =  (event.offsetX / event.target.width ) * 2 - 1;
                this.mouse.y = -(event.offsetY / event.target.height) * 2 + 1;

                var scenes = GameLib.EntityManager.Instance.queryComponents(GameLib.Component.SCENE);

                var intersects = scenes.reduce(

                    function (result, scene) {

                        editorControl.raycaster.instance.setFromCamera(
                            this.mouse,
                            editorControl.camera.instance
                        );

                        intersects = editorControl.raycaster.getIntersectedObjects(scene.meshes);

                        intersects.map(function (intersect) {
                            result.push(intersect);
                        });

                        return result;
                    }.bind(this),
                    []
                );

                intersects.sort(
                    function (a, b) {
                        if (a.distance < b.distance) {
                            return -1;
                        }

                        if (a.distance > b.distance) {
                            return 1;
                        }

                        return 0;
                    }
                );

                var meshes = intersects.map(function (intersect) {
                    return intersect.mesh;
                });

                var mesh = meshes[0];

                if (mesh) {

                    /**
                     * Prevent default action (like context menu or whatever)
                     */
                    event.preventDefault();

                    /**
                     * Prevent other event listeners for 'mousedown' from executing their actions
                     */
                    event.stopImmediatePropagation();

                    if (mesh.selected) {
                        this.deSelectMesh(mesh);
                    } else {
                        this.selectMesh(mesh);
                    }

                    /**
                     * Notify our GUI system to build a GUI
                     */
                    GameLib.Event.Emit(
                        GameLib.Event.BUILD_GUI,
                        null
                    )
                }
            }.bind(this)
        );
    }
};

/**
 *
 * @param event
 */
GameLib.System.Input.prototype.onMouseMoveEdit = function(event) {

};

/**
 * Update the camera position etc. after mouse up
 * @returns {Function}
 * @param event
 */
GameLib.System.Input.prototype.onMouseUpEdit = function(event) {
    this.editorControls.map(
        function(editorControl) {
            editorControl.camera.position.x = editorControl.camera.instance.position.x;
            editorControl.camera.position.y = editorControl.camera.instance.position.y;
            editorControl.camera.position.z = editorControl.camera.instance.position.z;

            editorControl.camera.quaternion.x = editorControl.camera.instance.quaternion.x;
            editorControl.camera.quaternion.y = editorControl.camera.instance.quaternion.y;
            editorControl.camera.quaternion.z = editorControl.camera.instance.quaternion.z;
            editorControl.camera.quaternion.w = editorControl.camera.instance.quaternion.w;

            editorControl.camera.lookAt.x = editorControl.instance.center.x;
            editorControl.camera.lookAt.y = editorControl.instance.center.y;
            editorControl.camera.lookAt.z = editorControl.instance.center.z;
            editorControl.camera.lookAt.instance.copy(editorControl.instance.center);
        }
    );
};

/**
 * Update our camera position after moving the mouse wheel
 * @returns {Function}
 * @param event
 */
GameLib.System.Input.prototype.onMouseWheelEdit = function(event) {
    this.editorControls.map(
        function(editorControl) {
            editorControl.camera.position.x = editorControl.camera.instance.position.x;
            editorControl.camera.position.y = editorControl.camera.instance.position.y;
            editorControl.camera.position.z = editorControl.camera.instance.position.z;
        }
    );
};

GameLib.System.Input.prototype.selectMesh = function(mesh) {

	/**
	 * If mesh is already selected, do nothing
	 */
	if (mesh.selected === true) {
		return;
	}

	/**
	 * Notify our component as being 'selected'
	 * @type {boolean}
	 */
	mesh.selected = true;

	mesh.createHelper();

	GameLib.Event.Emit(
		GameLib.Event.MESH_SELECTED,
		{
			mesh : mesh
		}
	);
};

GameLib.System.Input.prototype.deSelectMesh = function(mesh) {

	mesh.selected = false;

	mesh.removeHelper();

	GameLib.Event.Emit(
		GameLib.Event.MESH_DESELECTED,
		{
			mesh : mesh
		}
	);
};






//
//     console.log('keypressed ' + event.code);
//
//     if (event.code === 'KeyV') {
//         //todo - change view
//     }
//
//
//     if (event.code == 'KeyG') {
//         if (!this.meshMoveMode) {
//             console.log('move mode');
//             this.meshMoveMode = true;
//         }
//     }
//
//     if (event.code == 'KeyX') {
//         if (this.meshMoveMode) {
//             console.log('move along x');
//             this.meshMoveXMode = true;
//             this.meshMoveYMode = false;
//             this.meshMoveZMode = false;
//         }
//     }
//
//     if (event.code == 'KeyY') {
//         if (this.meshMoveMode) {
//             console.log('move along y');
//             this.meshMoveXMode = false;
//             this.meshMoveYMode = true;
//             this.meshMoveZMode = false;
//         }
//     }
//
//     if (event.code == 'KeyZ') {
//         if (this.meshMoveMode) {
//             console.log('move along z');
//             this.meshMoveXMode = false;
//             this.meshMoveYMode = false;
//             this.meshMoveZMode = true;
//         }
//     }
//
//     if (event.code == 'Escape') {
//         if (this.meshMoveMode) {
//             this.meshMoveMode = false;
//             console.log('TODO: implement restore positions');
//         }
//     }
//
//     if (event.code == 'Enter') {
//         if (this.meshMoveMode) {
//             this.meshMoveMode = false;
//             console.log('TODO: implement apply positions');
//         }
//     }
// };

// GameLib.D3.Input.Editor.prototype.onMouseDown = function(entity) {
//
// 	return function(event) {
//
// 		if (event.button === 2) {
// 			event.cancelBubble = true;
//
// 			event.preventDefault();
//
// 			if (event.stopPropagation) {
// 				event.stopPropagation();
// 			}
//
// 			var meshes = entity.queryComponents(GameLib.Component.MESH);
//
// 			var intersects = this.raycaster.getIntersectedObjects(meshes);
//
// 			if (intersects.length > 0) {
//
// 				console.log('object(s) instersected');
//
// 				// var index = -1;
// 				//
// 				// for (var s = 0; s < this.editor.selectedObjects.length; s++) {
// 				// 	if (this.editor.selectedObjects[s].object == intersects[0]) {
// 				// 		index = s;
// 				// 		break;
// 				// 	}
// 				// }
// 				//
// 				// if (index == -1) {
// 				// 	/**
// 				// 	 * The object is not selected, select it
// 				// 	 */
// 				// 	this.selectObject(intersects[0]);
// 				//
// 				// } else {
// 				// 	/**
// 				// 	 * De-select the objec
// 				// 	 */
// 				// 	var delta = Date.now() - this.editor.selectedObjects[index].lastUpdate;
// 				// 	if (delta > this.selectDelayMs) {
// 				// 		this.unselectObject(intersects[0]);
// 				// 	}
// 				// }
// 				//
// 				// if (this.editor.onSelectionChanged) {
// 				// 	this.editor.onSelectionChanged(this.editor);
// 				// }
// 			}
//
// 			return false;
// 		}
// 	}
// };

// /**
//  * Mouse click events
//  * @param event
//  * @returns {boolean}
//  */
// GameLib.D3.Input.Editor.prototype.onMouseDown = function(event) {
//
//     if (event.button === 2) {
//
//
//
//
//
//     }
//
//     if (event.button == 0) {
//         if (this.meshMoveMode) {
//             this.meshMoveMode   = false;
//             this.meshMoveXMode  = false;
//             this.meshMoveYMode  = false;
//             this.meshMoveZMode  = false;
//         }
//     }
// };

// /**
//  * Mouse move events
//  * @param event
//  */
// GameLib.D3.Input.Editor.prototype.onMouseMove = function(event) {
//
//     // var clientX = event.clientX - this.widthOffset;
//     // this.mouse.x = ((clientX / (window.innerWidth - this.widthOffset))) * 2 - 1;
//     // this.mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
//
// 	this.mouse.x = event.clientX;
// 	this.mouse.y = event.clientY;
//
// 	console.log("mouse (" + this.mouse.x + ", " + this.mouse.y + ")");
//
//     this.raycaster.instance.setFromCamera(
//         this.mouse,
//         this.camera.instance
//     );
//
//     if (this.meshMoveMode) {
//
//         var units = event.movementY;
//
//         if (this.meshMoveXMode) {
//             this.moveSelectedObjects('x', units);
//         }
//
//         if (this.meshMoveYMode) {
//             this.moveSelectedObjects('y', units);
//         }
//
//         if (this.meshMoveZMode) {
//             this.moveSelectedObjects('z', units);
//         }
//     }
// };

// /**
//  * Moves selected objects along an axis
//  * @param alongAxis
//  * @param units
//  */
// GameLib.D3.Input.Editor.prototype.moveSelectedObjects = function(alongAxis, units) {
//
//     for (var s = 0; s < this.editor.selectedObjects.length; s++) {
//
//         var object = this.editor.selectedObjects[s].object;
//
//         if (object.position) {
//             if (alongAxis == 'x') {
//                 object.position.x += units;
//             }
//             if (alongAxis == 'y') {
//                 object.position.y += units;
//             }
//             if (alongAxis == 'z') {
//                 object.position.z += units;
//             }
//
//             if (object.updateInstance) {
//                 object.updateInstance();
//             }
//         }
//     }
// };