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 	= 11;
GameLib.CustomCode.GRID_HEIGHT 	= 11;

GameLib.CustomCode.GRID_OFFSET_X = 1;
GameLib.CustomCode.GRID_OFFSET_Y = 5;

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');

/**
 * 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.createMaterial = function(image) {
    var diffuseMap = new GameLib.D3.Texture.Image(
        this.runtime.graphics,
        {
            image : image
        }
    )

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

    if (GameLib.Utils.UndefinedOrNull(mesh)) {
        throw new Error('no mesh specified');
    }
    this.mesh = mesh.clone();
    this.mesh.useQuaternion = false;

    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;
    
    this.applyToMesh(flip);
};

// GameLib.CustomCode.SnakeBody.prototype.restoreBackup = function() {
//
//     if (!this.backup) {
//         console.warn('no backup to restore');
//         return;
//     }
//
//     this.mesh.geometry = null;
//     this.mesh.materials = null;
//     this.mesh.remove();
//
//     this.mesh = this.backup.mesh;
//     this.mesh.visible = true;
//     this.mesh.updateInstance('visible');
//
//     this.orientation = this.backup.orientation;
//
//     this.backup = null;
//
//     /**
//      * We don't restore the position because the position will have changed
//      */
// }

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

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

    this.mesh.rotation.z = this.orientation * Math.PI / 2;

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

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

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

    if (orientation === GameLib.CustomCode.ORIENTATION_UP) {
        this.position.y += 1;
    }

    if (orientation === GameLib.CustomCode.ORIENTATION_DOWN) {
        this.position.y -= 1;
    }

    if (orientation === GameLib.CustomCode.ORIENTATION_LEFT) {
        this.position.x -= 1;
    }

    if (orientation === GameLib.CustomCode.ORIENTATION_RIGHT) {
        this.position.x += 1;
    }

    this.orientation = orientation;
}

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
                }

                body.advance(
                    this.state.orientation
                );

				backup.orientation = body.orientation;
            }

            if (index > 0) {

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

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

                backup = temp;
                
                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');
                }

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

                    if ((index + 1) < this.snake.length) {
                        /**
                         * Our orientation changed - we should make a corner
                         */
                        body.backupMesh = body.mesh;

                        body.backupMesh.visible = false;

                        body.backupMesh.updateInstance('visible');

                        body.mesh = this.meshBreadCorner.clone();
                    } 
                        
					//body.orientation = this.snake[index - 1].orientation;
                   
				}
            }

            body.applyToMesh(this.state.flip);

        }.bind(this)
    )


}.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,
                direction : {
                    x : 0,
                    y : 0
                }
            }
        }
    }

}.bind(this);
*/

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

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

        /**
         * Cleanup grid
         *
         this.grid.map(
         function(x) {
x.map(
    function(y) {
        y.mesh.geometry		= null;
        y.mesh.materials	= null;
        y.mesh.remove();
    }
);
}
         );

         this.initializeGrid();
         */

        /**
         * 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