mirror of
https://github.com/photonstorm/phaser
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74 lines
2.6 KiB
JavaScript
74 lines
2.6 KiB
JavaScript
/**
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* @author Richard Davey <rich@photonstorm.com>
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* @copyright 2018 Photon Storm Ltd.
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* @license {@link https://github.com/photonstorm/phaser/blob/master/license.txt|MIT License}
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*/
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var Tile = require('../Tile');
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var IsInLayerBounds = require('./IsInLayerBounds');
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var CalculateFacesAt = require('./CalculateFacesAt');
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var SetTileCollision = require('./SetTileCollision');
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/**
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* Puts a tile at the given tile coordinates in the specified layer. You can pass in either an index
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* or a Tile object. If you pass in a Tile, all attributes will be copied over to the specified
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* location. If you pass in an index, only the index at the specified location will be changed.
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* Collision information will be recalculated at the specified location.
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*
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* @function Phaser.Tilemaps.Components.PutTileAt
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* @private
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* @since 3.0.0
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*
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* @param {(integer|Phaser.Tilemaps.Tile)} tile - The index of this tile to set or a Tile object.
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* @param {integer} tileX - The x coordinate, in tiles, not pixels.
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* @param {integer} tileY - The y coordinate, in tiles, not pixels.
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* @param {boolean} [recalculateFaces=true] - `true` if the faces data should be recalculated.
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* @param {Phaser.Tilemaps.LayerData} layer - The Tilemap Layer to act upon.
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*
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* @return {Phaser.Tilemaps.Tile} The Tile object that was created or added to this map.
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*/
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var PutTileAt = function (tile, tileX, tileY, recalculateFaces, layer)
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{
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if (!IsInLayerBounds(tileX, tileY, layer)) { return null; }
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if (recalculateFaces === undefined) { recalculateFaces = true; }
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var oldTile = layer.data[tileY][tileX];
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var oldTileCollides = oldTile && oldTile.collides;
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if (tile instanceof Tile)
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{
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if (layer.data[tileY][tileX] === null)
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{
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layer.data[tileY][tileX] = new Tile(layer, tile.index, tileX, tileY, tile.width, tile.height);
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}
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layer.data[tileY][tileX].copy(tile);
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}
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else
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{
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var index = tile;
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if (layer.data[tileY][tileX] === null)
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{
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layer.data[tileY][tileX] = new Tile(layer, index, tileX, tileY, layer.tileWidth, layer.tileHeight);
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}
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else
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{
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layer.data[tileY][tileX].index = index;
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}
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}
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// Updating colliding flag on the new tile
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var newTile = layer.data[tileY][tileX];
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var collides = layer.collideIndexes.indexOf(newTile.index) !== -1;
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SetTileCollision(newTile, collides);
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// Recalculate faces only if the colliding flag at (tileX, tileY) has changed
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if (recalculateFaces && (oldTileCollides !== newTile.collides))
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{
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CalculateFacesAt(tileX, tileY, layer);
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}
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return newTile;
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};
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module.exports = PutTileAt;
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