1 /******************************************************************************* 2 * Copyright 2011 See AUTHORS file. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 ******************************************************************************/ 16 17 package com.badlogic.gdx.maps.tiled; 18 19 import com.badlogic.gdx.maps.MapLayer; 20 21 /** @brief Layer for a TiledMap */ 22 public class TiledMapTileLayer extends MapLayer { 23 24 private int width; 25 private int height; 26 27 private float tileWidth; 28 private float tileHeight; 29 30 private Cell[][] cells; 31 32 /** @return layer's width in tiles */ 33 public int getWidth () { 34 return width; 35 } 36 37 /** @return layer's height in tiles */ 38 public int getHeight () { 39 return height; 40 } 41 42 /** @return tiles' width in pixels */ 43 public float getTileWidth () { 44 return tileWidth; 45 } 46 47 /** @return tiles' height in pixels */ 48 public float getTileHeight () { 49 return tileHeight; 50 } 51 52 /** Creates TiledMap layer 53 * 54 * @param width layer width in tiles 55 * @param height layer height in tiles 56 * @param tileWidth tile width in pixels 57 * @param tileHeight tile height in pixels */ 58 public TiledMapTileLayer (int width, int height, int tileWidth, int tileHeight) { 59 super(); 60 this.width = width; 61 this.height = height; 62 this.tileWidth = tileWidth; 63 this.tileHeight = tileHeight; 64 this.cells = new Cell[width][height]; 65 } 66 67 /** @param x X coordinate 68 * @param y Y coordinate 69 * @return {@link Cell} at (x, y) */ 70 public Cell getCell (int x, int y) { 71 if (x < 0 || x >= width) return null; 72 if (y < 0 || y >= height) return null; 73 return cells[x][y]; 74 } 75 76 /** Sets the {@link Cell} at the given coordinates. 77 * 78 * @param x X coordinate 79 * @param y Y coordinate 80 * @param cell the {@link Cell} to set at the given coordinates. */ 81 public void setCell (int x, int y, Cell cell) { 82 if (x < 0 || x >= width) return; 83 if (y < 0 || y >= height) return; 84 cells[x][y] = cell; 85 } 86 87 /** @brief represents a cell in a TiledLayer: TiledMapTile, flip and rotation properties. */ 88 public static class Cell { 89 90 private TiledMapTile tile; 91 92 private boolean flipHorizontally; 93 94 private boolean flipVertically; 95 96 private int rotation; 97 98 /** @return The tile currently assigned to this cell. */ 99 public TiledMapTile getTile () { 100 return tile; 101 } 102 103 /** Sets the tile to be used for this cell. 104 * 105 * @param tile the {@link TiledMapTile} to use for this cell. 106 * @return this, for method chaining */ 107 public Cell setTile (TiledMapTile tile) { 108 this.tile = tile; 109 return this; 110 } 111 112 /** @return Whether the tile should be flipped horizontally. */ 113 public boolean getFlipHorizontally () { 114 return flipHorizontally; 115 } 116 117 /** Sets whether to flip the tile horizontally. 118 * 119 * @param flipHorizontally whether or not to flip the tile horizontally. 120 * @return this, for method chaining */ 121 public Cell setFlipHorizontally (boolean flipHorizontally) { 122 this.flipHorizontally = flipHorizontally; 123 return this; 124 } 125 126 /** @return Whether the tile should be flipped vertically. */ 127 public boolean getFlipVertically () { 128 return flipVertically; 129 } 130 131 /** Sets whether to flip the tile vertically. 132 * 133 * @param flipVertically whether or not this tile should be flipped vertically. 134 * @return this, for method chaining */ 135 public Cell setFlipVertically (boolean flipVertically) { 136 this.flipVertically = flipVertically; 137 return this; 138 } 139 140 /** @return The rotation of this cell, in degrees. */ 141 public int getRotation () { 142 return rotation; 143 } 144 145 /** Sets the rotation of this cell, in degrees. 146 * 147 * @param rotation the rotation in degrees. 148 * @return this, for method chaining */ 149 public Cell setRotation (int rotation) { 150 this.rotation = rotation; 151 return this; 152 } 153 154 public static final int ROTATE_0 = 0; 155 public static final int ROTATE_90 = 1; 156 public static final int ROTATE_180 = 2; 157 public static final int ROTATE_270 = 3; 158 } 159 } 160
