phaser/src/tilemaps/components/PutTileAt.js

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2020-04-10 18:40:52 +00:00
/**
* @author Richard Davey <rich@photonstorm.com>
* @copyright 2020 Photon Storm Ltd.
* @license {@link https://opensource.org/licenses/MIT|MIT License}
*/
var Tile = require('../Tile');
var IsInLayerBounds = require('./IsInLayerBounds');
var CalculateFacesAt = require('./CalculateFacesAt');
var SetTileCollision = require('./SetTileCollision');
/**
* Puts a tile at the given tile coordinates in the specified layer. You can pass in either an index
* or a Tile object. If you pass in a Tile, all attributes will be copied over to the specified
* location. If you pass in an index, only the index at the specified location will be changed.
* Collision information will be recalculated at the specified location.
*
* @function Phaser.Tilemaps.Components.PutTileAt
* @private
* @since 3.0.0
*
* @param {(integer|Phaser.Tilemaps.Tile)} tile - The index of this tile to set or a Tile object.
* @param {integer} tileX - The x coordinate, in tiles, not pixels.
* @param {integer} tileY - The y coordinate, in tiles, not pixels.
* @param {boolean} [recalculateFaces=true] - `true` if the faces data should be recalculated.
* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
*
* @return {Phaser.Tilemaps.Tile} The Tile object that was created or added to this map.
*/
var PutTileAt = function (tile, tileX, tileY, recalculateFaces, layer)
{
if (!IsInLayerBounds(tileX, tileY, layer)) { return null; }
if (recalculateFaces === undefined) { recalculateFaces = true; }
var oldTile = layer.data[tileY][tileX];
var oldTileCollides = oldTile && oldTile.collides;
if (tile instanceof Tile)
{
if (layer.data[tileY][tileX] === null)
{
layer.data[tileY][tileX] = new Tile(layer, tile.index, tileX, tileY, layer.tileWidth, layer.tileHeight);
}
layer.data[tileY][tileX].copy(tile);
}
else
{
var index = tile;
if (layer.data[tileY][tileX] === null)
{
layer.data[tileY][tileX] = new Tile(layer, index, tileX, tileY, layer.tileWidth, layer.tileHeight);
}
else
{
layer.data[tileY][tileX].index = index;
}
}
// Updating colliding flag on the new tile
var newTile = layer.data[tileY][tileX];
var collides = layer.collideIndexes.indexOf(newTile.index) !== -1;
SetTileCollision(newTile, collides);
// Recalculate faces only if the colliding flag at (tileX, tileY) has changed
if (recalculateFaces && (oldTileCollides !== newTile.collides))
{
CalculateFacesAt(tileX, tileY, layer);
}
return newTile;
};
module.exports = PutTileAt;