if (this.parentEntity === data.entity) {
    console.log('snake entity loaded');
} else {
    return;
}

/**
 * Defines
 */
GameLib.CustomCode.BODY_TYPE_NORMAL	= 0x1;
GameLib.CustomCode.BODY_TYPE_TAIL	= 0x2;
GameLib.CustomCode.BODY_TYPE_CORNER	= 0x3;

GameLib.CustomCode.GRID_WIDTH 	= 8;
GameLib.CustomCode.GRID_HEIGHT 	= 9;

GameLib.CustomCode.GRID_OFFSET_X = 1;
GameLib.CustomCode.GRID_OFFSET_Y = 7;

GameLib.CustomCode.SPEED_INITIAL = 1;

GameLib.CustomCode.ORIENTATION_UP       = 0;
GameLib.CustomCode.ORIENTATION_LEFT     = 1;
GameLib.CustomCode.ORIENTATION_DOWN     = 2;
GameLib.CustomCode.ORIENTATION_RIGHT    = 3;

/**
 * Get runtime
 */
this.runtime = GameLib.Utils.GetRuntime();

/**
 * Custom Code Components
 */
this.beforeRender 	= GameLib.EntityManager.Instance.findComponentById('zjq6ach3jt');
this.keyUp			= GameLib.EntityManager.Instance.findComponentById('306204wy29');

/**
 * Geometries
 */
this.geometryBody = GameLib.EntityManager.Instance.findComponentById('8f5q7k5ozp');

/**
 * Images
 */
this.imageBreadHead		= GameLib.EntityManager.Instance.findComponentById('swkla3wpp');
this.imageBreadTail		= GameLib.EntityManager.Instance.findComponentById('se6qlnmojd');
this.imageBreadPatty	= GameLib.EntityManager.Instance.findComponentById('01r51k9ptr');
this.imageBreadCorner	= GameLib.EntityManager.Instance.findComponentById('iljpuouaok');
this.imagePatty			= GameLib.EntityManager.Instance.findComponentById('4lf0fw24su');

/**
 * Other Objects (Scene)
 */
this.scene 		= GameLib.EntityManager.Instance.findComponentById('pllp034hsj');
this.animation 	= GameLib.EntityManager.Instance.findComponentById('8kb7utb2fn');
this.animationRotation = GameLib.EntityManager.Instance.findComponentById('z628kythyn');

/**
 * Game objects
 */
this.snake 	= [];
this.grid 	= [];
this.speed	= GameLib.CustomCode.SPEED_INITIAL;
this.advanceTime = 0;

/**
 * Orientation is 0, 1, 2 or 3, (up, left, down, right) -
 * This is also the amount we need to multiply with PI to get the mesh rotation
 * @type {{direction: {x: number, y: number}, orientation: number}}
 */
this.state = {
    orientation : 0,
    turning     : false,
    flip        : 0
};

GameLib.CustomCode.prototype.visualizeGrid = function (color) {

    if (this.starsMesh) {
        this.scene.instance.remove(this.starsMesh);
    }

    this.starsGeometry = new THREE.Geometry();

	this.grid.map(
		function(x, xIndex) {
			x.map(
				function(y, yIndex) {
					this.starsGeometry.vertices.push(
						new THREE.Vector3(
							xIndex + GameLib.CustomCode.GRID_OFFSET_X,
							yIndex + GameLib.CustomCode.GRID_OFFSET_Y,
							5
						)
					);
				}.bind(this)
			)
		}.bind(this)
	);
	
    var starsMaterial = new THREE.PointsMaterial({color: color, size: 0.1});

    this.starsMesh = new THREE.Points(this.starsGeometry, starsMaterial);

    this.scene.instance.add(this.starsMesh);

}.bind(this)

GameLib.CustomCode.prototype.createMaterial = function(image) {
    var diffuseMap = new GameLib.D3.Texture.Image(
        this.runtime.graphics,
        {
            image : image,
			repeat : {
				x : 0.99,
				y : 0.99
			}
        }
    )

    return new GameLib.D3.Material.Phong(
        this.runtime.graphics,
        {
            diffuseMap  : diffuseMap,
			transparent : true
        }
    );
}.bind(this);

GameLib.CustomCode.prototype.createGameMesh = function(image) {

    var mesh = new GameLib.D3.Mesh(
        this.runtime.graphics,
        {
            geometry  : this.geometryBody,
            materials : [this.createMaterial(image)]
        }
    )

    this.scene.addClone(mesh);

    return mesh;

}.bind(this)

/**
 * Create our objects
 */
this.meshBreadHead 					= this.createGameMesh(this.imageBreadHead);
this.meshBreadHead.useQuaternion 	= false;

this.meshBreadTail 					= this.createGameMesh(this.imageBreadTail);
this.meshBreadTail.useQuaternion 	= false;

this.meshBreadPatty		            = this.createGameMesh(this.imageBreadPatty);
this.meshBreadPatty.useQuaternion 	= false;

this.meshBreadCorner	            = this.createGameMesh(this.imageBreadCorner);
this.meshBreadCorner.useQuaternion 	= false;

this.meshPatty	= this.createGameMesh(this.imagePatty);

/**
 * GameLib.CustomCode.SnakeBody
 * @param mesh
 * @param position
 * @param orientation
 * @param flip
 * @param backupMesh
 * @constructor
 */
GameLib.CustomCode.SnakeBody = function(
    mesh,
    position,
    orientation,
    flip,
    backupMesh,
	isTail
) {

    if (GameLib.Utils.UndefinedOrNull(mesh)) {
        throw new Error('no mesh specified');
    }
    this.mesh = mesh.clone();
    this.mesh.useQuaternion = false;
	
	this.mesh.position.z = GameLib.CustomCode.SnakeBody.LastZ;
	GameLib.CustomCode.SnakeBody.LastZ += 0.1;
	
	this.mesh.updateInstance('position');
	
    if (GameLib.Utils.UndefinedOrNull(position)) {
        position = {
            x : Math.round(GameLib.CustomCode.GRID_WIDTH / 2),
            y : Math.round(GameLib.CustomCode.GRID_HEIGHT / 2)
        };
    }
    this.position = position;

    if (GameLib.Utils.UndefinedOrNull(orientation)) {
        orientation = GameLib.CustomCode.ORIENTATION_UP;
    }
    this.orientation = orientation;

    if (GameLib.Utils.UndefinedOrNull(flip)) {
        flip = 0;
    }
    this.flip = flip;

    if (GameLib.Utils.UndefinedOrNull(backupMesh)) {
        backupMesh = null;
    }
    this.backupMesh = backupMesh;

	if (GameLib.Utils.UndefinedOrNull(isTail)) {
        isTail = false;
    }
    this.isTail = isTail;
	
    this.applyToMesh();
};

GameLib.CustomCode.SnakeBody.LastZ = 0;

GameLib.CustomCode.SnakeBody.prototype.applyToMesh = function() {

    this.mesh.position.x = this.position.x + GameLib.CustomCode.GRID_OFFSET_X;
    this.mesh.position.y = this.position.y + GameLib.CustomCode.GRID_OFFSET_Y;

	//if ((this.mesh.rotation.z - (this.orientation * Math.PI / 2)) > Math.PI) {
	//	this.mesh.rotation.z -= Math.PI;
	//	this.mesh.updateInstance('rotation');
	//}
    
	this.mesh.rotation.z = this.orientation * Math.PI / 2;

    if (this.backupMesh) {
        this.mesh.rotation.z += ((Math.PI / 2) * this.flip);
		this.mesh.updateInstance('position');
		this.mesh.updateInstance('rotation');
    }

    /**
     * TODO: We don't update instance position - animation should do this
     */
   // this.mesh.updateInstance('position');
	//if (!this.isTail) {
    	this.mesh.updateInstance('rotation');
	//}
}

GameLib.CustomCode.SnakeBody.prototype.advance = function(orientation, flip) {

	var crash = false;
	
	switch (orientation) {
		case GameLib.CustomCode.ORIENTATION_UP : 
			if ((this.position.y + 1) >= GameLib.CustomCode.GRID_HEIGHT) {
				crash = true;
			} else {
				this.position.y += 1;
			}
			break;
		case GameLib.CustomCode.ORIENTATION_DOWN : 
			if ((this.position.y - 1) < 0) {
				crash = true;
			} else {
				this.position.y -= 1;
			}
			break;
		case GameLib.CustomCode.ORIENTATION_LEFT : 
			if ((this.position.x - 1) < 0) {
				crash = true;
			} else {
				this.position.x -= 1;
			}
			break;
		case GameLib.CustomCode.ORIENTATION_RIGHT : 
			if ((this.position.x + 1) >= GameLib.CustomCode.GRID_WIDTH) {
				crash = true;
			} else {
				this.position.x += 1;
			}
			break;
		default :
			console.warn('unknown orientation');
			break;
	}
	
	if (!crash) {
		console.log('check against body');
	} else {
		console.log('crashed!');
	}
	
	
    this.orientation = orientation;

    this.flip = flip;
}

GameLib.CustomCode.prototype.createFood = function(delta) {

};

GameLib.CustomCode.prototype.advanceSnake = function(delta) {

    this.advanceTime += delta;

    if (this.advanceTime > this.speed) {
        this.advanceTime = 0;
    } else {
        return;
    }

    var backup = null;
    var temp = null;

    this.snake.map(
        function(body, index) {

            if (index === 0) {

                backup = {
                    position : {
                        x : body.position.x,
                        y : body.position.y
                    },
                    orientation : body.orientation,
                    flip : body.flip
                }

                body.advance(
                    this.state.orientation,
                    this.state.flip
                );

                backup.orientation = body.orientation;
                backup.flip = body.flip;
            }

            if (index > 0) {

                temp = {
                    position : {
                        x : body.position.x,
                        y : body.position.y
                    },
                    orientation : body.orientation,
                    flip : body.flip
                }

                body.position.x     = backup.position.x;
                body.position.y     = backup.position.y;
                body.orientation    = backup.orientation;
                body.flip			= backup.flip;

                

                if (body.backupMesh) {
                    /**
                     * We used to be a corner, change back
                     * @type {null}
                     */
                    body.mesh.geometry = null;

                    body.mesh.materials = null;

                    body.mesh.remove();

                    body.mesh = body.backupMesh;

                    body.backupMesh = null;

                    body.mesh.visible = true;

                    body.mesh.updateInstance('visible');

                    body.mesh.updateInstance('position');
				}

                if (
                    body.orientation !== temp.orientation
                ) {

                    if ((index ) < this.snake.length) {
                        /**
                         * Our orientation changed - we should make a corner
                         */				
						body.orientation = temp.orientation;
						
						body.applyToMesh();
						
						body.orientation = backup.orientation;
						
                        body.backupMesh = body.mesh;
						
						if (temp.orientation === GameLib.CustomCode.ORIENTATION_UP) {
							body.backupMesh.position.y -= 0.5;
						}
						
						if (temp.orientation === GameLib.CustomCode.ORIENTATION_DOWN) {
							body.backupMesh.position.y += 0.5;
						}
						
						if (temp.orientation === GameLib.CustomCode.ORIENTATION_LEFT) {
							body.backupMesh.position.x += 0.5;
						}
						
						if (temp.orientation === GameLib.CustomCode.ORIENTATION_RIGHT) {
							body.backupMesh.position.x -= 0.5;
						}
											
						//body.backupMesh.visible = false;

                        //body.backupMesh.updateInstance('visible');					
						
						body.mesh = this.meshBreadCorner.clone();	
						
						body.mesh.position.z = 5;
						
						body.mesh.updateInstance('position');
                    }
					
                }
				
				backup = temp;
            }

			//if (!body.isTail) {
			
            body.applyToMesh();
			//}

        }.bind(this)
    )

	this.state.turning = false;

}.bind(this);


GameLib.CustomCode.prototype.initializeGrid = function() {

    this.grid = [];

    for (var x = 0; x < GameLib.CustomCode.GRID_WIDTH; x++) {
        this.grid[x] = [];
        for (var y = 0; y < GameLib.CustomCode.GRID_HEIGHT; y++) {
            this.grid[x][y] = {
                mesh : null
            }
        }
    }

}.bind(this);


GameLib.Event.Subscribe(
    GameLib.Event.GAME_START,
    function() {

        /**
         * Remove all existing snake parts
         */
        this.snake.map(
            function(body) {
                body.mesh.geometry 	= null;
                body.mesh.materials 	= null;
                body.mesh.remove();
            }
        )

        this.state = {
            orientation : GameLib.CustomCode.ORIENTATION_UP
        };

        this.snake = [
            new GameLib.CustomCode.SnakeBody(
                this.meshBreadHead,
                {
                    x : 4,
                    y : 4
                },
                0
            ),
            new GameLib.CustomCode.SnakeBody(
                this.meshBreadPatty,
                {
                    x : 4,
                    y : 3
                },
                0
            ),
            new GameLib.CustomCode.SnakeBody(
                this.meshBreadPatty,
                {
                    x : 4,
                    y : 2
                },
                0
            ),
            new GameLib.CustomCode.SnakeBody(
                this.meshBreadTail,
                {
                    x : 4,
                    y : 1
                },
                0,
				0,
				null,
				true
            )
        ];

		//this.snake[3].mesh.position.z += 1;
		
		this.snake[0].mesh.updateInstance('position');
		this.snake[1].mesh.updateInstance('position');
		this.snake[2].mesh.updateInstance('position');
		this.snake[3].mesh.updateInstance('position');
			
		this.animation.meshes.push(this.snake[0].mesh);
		this.animation.meshes.push(this.snake[1].mesh);
		this.animation.meshes.push(this.snake[2].mesh);
		
		//this.snake[2].mesh.instance.add(this.snake[3].mesh.instance);
		this.animation.meshes.push(this.snake[3].mesh);
		
		//this.animationRotation.meshes.push(this.snake[3].mesh);
		
        /**
         * Cleanup grid
         *
         this.grid.map(
         function(x) {
x.map(
function(y) {
    y.mesh.geometry		= null;
    y.mesh.materials	= null;
    y.mesh.remove();
}
);
}
         );
*/
        
		this.initializeGrid();
        this.visualizeGrid(); 

        /**
         * Other Settings
         */
        this.speed = GameLib.CustomCode.SPEED_INITIAL;

        /**
         * Re-initialize our other custom code components
         */
        this.beforeRender.initialized	= false;
        this.beforeRender.entityLoaded 	= this;

        this.keyUp.initialized 	= false;
        this.keyUp.entityLoaded = this;

        console.log('starting game snake');
    }.bind(this)
);

GameLib.Event.Subscribe(
    GameLib.Event.GAME_OVER,
    function() {

        this.keyUp.initialized 	= false;
        this.keyUp.entityLoaded = null;

        this.beforeRender.initialized = false;
        this.beforeRender.entityLoaded = null;

        console.log('starting game snake');
    }.bind(this)
)

GameLib.Event.Emit(GameLib.Event.GAME_LOADED);

//@ sourceURL=entityLoaded.js