phaser/Phaser/gameobjects/Tilemap.ts
2013-05-16 21:34:24 +01:00

435 lines
No EOL
14 KiB
TypeScript

/// <reference path="../Game.ts" />
/// <reference path="GameObject.ts" />
/// <reference path="../system/TilemapLayer.ts" />
/// <reference path="../system/Tile.ts" />
/**
* Phaser - Tilemap
*
* This GameObject allows for the display of a tilemap within the game world. Tile maps consist of an image, tile data and a size.
* Internally it creates a TilemapLayer for each layer in the tilemap.
*/
module Phaser {
export class Tilemap extends GameObject {
/**
* Tilemap constructor
* Create a new <code>Tilemap</code>.
*
* @param game {Phaser.Game} Current game instance.
* @param key {string} Asset key for this map.
* @param mapData {string} Data of this map. (a big 2d array, normally in csv)
* @param format {number} Format of this map data, available: Tilemap.FORMAT_CSV or Tilemap.FORMAT_TILED_JSON.
* @param resizeWorld {boolean} Resize the world bound automatically based on this tilemap?
* @param tileWidth {number} Width of tiles in this map.
* @param tileHeight {number} Height of tiles in this map.
*/
constructor(game: Game, key: string, mapData: string, format: number, resizeWorld: bool = true, tileWidth?: number = 0, tileHeight?: number = 0) {
super(game);
this.isGroup = false;
this.tiles = [];
this.layers = [];
this.mapFormat = format;
switch (format)
{
case Tilemap.FORMAT_CSV:
this.parseCSV(game.cache.getText(mapData), key, tileWidth, tileHeight);
break;
case Tilemap.FORMAT_TILED_JSON:
this.parseTiledJSON(game.cache.getText(mapData), key);
break;
}
if (this.currentLayer && resizeWorld)
{
this._game.world.setSize(this.currentLayer.widthInPixels, this.currentLayer.heightInPixels, true);
}
}
private _tempCollisionData;
/**
* Tilemap data format enum: CSV.
* @type {number}
*/
public static FORMAT_CSV: number = 0;
/**
* Tilemap data format enum: Tiled JSON.
* @type {number}
*/
public static FORMAT_TILED_JSON: number = 1;
/**
* Array contains tile objects of this map.
* @type {Tile[]}
*/
public tiles : Tile[];
/**
* Array contains tilemap layer objects of this map.
* @type {TilemapLayer[]}
*/
public layers : TilemapLayer[];
/**
* Current tilemap layer.
* @type {TilemapLayer}
*/
public currentLayer: TilemapLayer;
/**
* The tilemap layer for collision.
* @type {TilemapLayer}
*/
public collisionLayer: TilemapLayer;
/**
* Tilemap collision callback.
* @type {function}
*/
public collisionCallback = null;
/**
* Context for the collision callback called with.
*/
public collisionCallbackContext;
/**
* Format of this tilemap data. Available values: Tilemap.FORMAT_CSV or Tilemap.FORMAT_TILED_JSON.
* @type {number}
*/
public mapFormat: number;
/**
* Inherited update method.
*/
public update() {
}
/**
* Render this tilemap to a specific camera with specific offset.
* @param camera {Camera} The camera this tilemap will be rendered to.
* @param cameraOffsetX {number} X offset of the camera.
* @param cameraOffsetY {number} Y offset of the camera.
*/
public render(camera: Camera, cameraOffsetX: number, cameraOffsetY: number) {
if (this.cameraBlacklist.indexOf(camera.ID) == -1)
{
// Loop through the layers
for (var i = 0; i < this.layers.length; i++)
{
this.layers[i].render(camera, cameraOffsetX, cameraOffsetY);
}
}
}
/**
* Parset csv map data and generate tiles.
* @param data {string} CSV map data.
* @param key {string} Asset key for tileset image.
* @param tileWidth {number} Width of its tile.
* @param tileHeight {number} Height of its tile.
*/
private parseCSV(data: string, key: string, tileWidth: number, tileHeight: number) {
var layer: TilemapLayer = new TilemapLayer(this._game, this, key, Tilemap.FORMAT_CSV, 'TileLayerCSV' + this.layers.length.toString(), tileWidth, tileHeight);
// Trim any rogue whitespace from the data
data = data.trim();
var rows = data.split("\n");
for (var i = 0; i < rows.length; i++)
{
var column = rows[i].split(",");
if (column.length > 0)
{
layer.addColumn(column);
}
}
layer.updateBounds();
var tileQuantity = layer.parseTileOffsets();
this.currentLayer = layer;
this.collisionLayer = layer;
this.layers.push(layer);
this.generateTiles(tileQuantity);
}
/**
* Parset JSON map data and generate tiles.
* @param data {string} JSON map data.
* @param key {string} Asset key for tileset image.
*/
private parseTiledJSON(data: string, key: string) {
// Trim any rogue whitespace from the data
data = data.trim();
var json = JSON.parse(data);
for (var i = 0; i < json.layers.length; i++)
{
var layer: TilemapLayer = new TilemapLayer(this._game, this, key, Tilemap.FORMAT_TILED_JSON, json.layers[i].name, json.tilewidth, json.tileheight);
layer.alpha = json.layers[i].opacity;
layer.visible = json.layers[i].visible;
layer.tileMargin = json.tilesets[0].margin;
layer.tileSpacing = json.tilesets[0].spacing;
var c = 0;
var row;
for (var t = 0; t < json.layers[i].data.length; t++)
{
if (c == 0)
{
row = [];
}
row.push(json.layers[i].data[t]);
c++;
if (c == json.layers[i].width)
{
layer.addColumn(row);
c = 0;
}
}
layer.updateBounds();
var tileQuantity = layer.parseTileOffsets();
this.currentLayer = layer;
this.collisionLayer = layer;
this.layers.push(layer);
}
this.generateTiles(tileQuantity);
}
/**
* Create tiles of given quantity.
* @param qty {number} Quentity of tiles to be generated.
*/
private generateTiles(qty:number) {
for (var i = 0; i < qty; i++)
{
this.tiles.push(new Tile(this._game, this, i, this.currentLayer.tileWidth, this.currentLayer.tileHeight));
}
}
public get widthInPixels(): number {
return this.currentLayer.widthInPixels;
}
public get heightInPixels(): number {
return this.currentLayer.heightInPixels;
}
// Tile Collision
/**
* Set callback to be called when this tilemap collides.
* @param context {object} Callback will be called with this context.
* @param callback {function} Callback function.
*/
public setCollisionCallback(context, callback) {
this.collisionCallbackContext = context;
this.collisionCallback = callback;
}
/**
* Set collision configs of tiles in a range index.
* @param start {number} First index of tiles.
* @param end {number} Last index of tiles.
* @param collision {number} Bit field of flags. (see Tile.allowCollision)
* @param resetCollisions {boolean} Reset collision flags before set.
* @param separateX {boolean} Enable seprate at x-axis.
* @param separateY {boolean} Enable seprate at y-axis.
*/
public setCollisionRange(start: number, end: number, collision?:number = Collision.ANY, resetCollisions?: bool = false, separateX?: bool = true, separateY?: bool = true) {
for (var i = start; i < end; i++)
{
this.tiles[i].setCollision(collision, resetCollisions, separateX, separateY);
}
}
/**
* Set collision configs of tiles with given index.
* @param values {number[]} Index array which contains all tile indexes. The tiles with those indexes will be setup with rest parameters.
* @param collision {number} Bit field of flags. (see Tile.allowCollision)
* @param resetCollisions {boolean} Reset collision flags before set.
* @param separateX {boolean} Enable seprate at x-axis.
* @param separateY {boolean} Enable seprate at y-axis.
*/
public setCollisionByIndex(values:number[], collision?:number = Collision.ANY, resetCollisions?: bool = false, separateX?: bool = true, separateY?: bool = true) {
for (var i = 0; i < values.length; i++)
{
this.tiles[values[i]].setCollision(collision, resetCollisions, separateX, separateY);
}
}
// Tile Management
/**
* Get the tile by its index.
* @param value {number} Index of the tile you want to get.
* @return {Tile} The tile with given index.
*/
public getTileByIndex(value: number):Tile {
if (this.tiles[value])
{
return this.tiles[value];
}
return null;
}
/**
* Get the tile located at specific position and layer.
* @param x {number} X position of this tile located.
* @param y {number} Y position of this tile located.
* @param [layer] {number} layer of this tile located.
* @return {Tile} The tile with specific properties.
*/
public getTile(x: number, y: number, layer?: number = 0):Tile {
return this.tiles[this.layers[layer].getTileIndex(x, y)];
}
/**
* Get the tile located at specific position (in world coordinate) and layer. (thus you give a position of a point which is within the tile)
* @param x {number} X position of the point in target tile.
* @param x {number} Y position of the point in target tile.
* @param [layer] {number} layer of this tile located.
* @return {Tile} The tile with specific properties.
*/
public getTileFromWorldXY(x: number, y: number, layer?: number = 0):Tile {
return this.tiles[this.layers[layer].getTileFromWorldXY(x, y)];
}
public getTileFromInputXY(layer?: number = 0):Tile {
return this.tiles[this.layers[layer].getTileFromWorldXY(this._game.input.getWorldX(), this._game.input.getWorldY())];
}
/**
* Get tiles overlaps the given object.
* @param object {GameObject} Tiles you want to get that overlaps this.
* @return {array} Array with tiles informations. (Each contains x, y and the tile.)
*/
public getTileOverlaps(object: GameObject) {
return this.currentLayer.getTileOverlaps(object);
}
// COLLIDE
/**
* Check whether this tilemap collides with the given game object or group of objects.
* @param objectOrGroup {function} Target object of group you want to check.
* @param callback {function} This is called if objectOrGroup collides the tilemap.
* @param context {object} Callback will be called with this context.
* @return {boolean} Return true if this collides with given object, otherwise return false.
*/
public collide(objectOrGroup = null, callback = null, context = null) {
if (callback !== null && context !== null)
{
this.collisionCallback = callback;
this.collisionCallbackContext = context;
}
if (objectOrGroup == null)
{
objectOrGroup = this._game.world.group;
}
// Group?
if (objectOrGroup.isGroup == false)
{
this.collideGameObject(objectOrGroup);
}
else
{
objectOrGroup.forEachAlive(this, this.collideGameObject, true);
}
}
/**
* Check whether this tilemap collides with the given game object.
* @param object {GameObject} Target object you want to check.
* @return {boolean} Return true if this collides with given object, otherwise return false.
*/
public collideGameObject(object: GameObject): bool {
if (object !== this && object.immovable == false && object.exists == true && object.allowCollisions != Collision.NONE)
{
this._tempCollisionData = this.collisionLayer.getTileOverlaps(object);
if (this.collisionCallback !== null && this._tempCollisionData.length > 0)
{
this.collisionCallback.call(this.collisionCallbackContext, object, this._tempCollisionData);
}
return true;
}
else
{
return false;
}
}
/**
* Set a tile to a specific layer.
* @param x {number} X position of this tile.
* @param y {number} Y position of this tile.
* @param index {number} The index of this tile type in the core map data.
* @param [layer] {number} which layer you want to set the tile to.
*/
public putTile(x: number, y: number, index: number, layer?: number = 0) {
this.layers[layer].putTile(x, y, index);
}
// Set current layer
// Set layer order?
// Delete tiles of certain type
// Erase tiles
}
}