com.badlogic.gdx.maps.tiled.TiledMapTileLayer.java Source code

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Here is the source code for com.badlogic.gdx.maps.tiled.TiledMapTileLayer.java

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/*******************************************************************************
 * Copyright 2011 See AUTHORS file.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 ******************************************************************************/

package com.badlogic.gdx.maps.tiled;

import com.badlogic.gdx.maps.MapLayer;

/** @brief Layer for a TiledMap */
public class TiledMapTileLayer extends MapLayer {

    private int width;
    private int height;

    private float tileWidth;
    private float tileHeight;

    private Cell[][] cells;

    /** @return layer's width in tiles */
    public int getWidth() {
        return width;
    }

    /** @return layer's height in tiles */
    public int getHeight() {
        return height;
    }

    /** @return tiles' width in pixels */
    public float getTileWidth() {
        return tileWidth;
    }

    /** @return tiles' height in pixels */
    public float getTileHeight() {
        return tileHeight;
    }

    /** Creates TiledMap layer
     * 
     * @param width layer width in tiles
     * @param height layer height in tiles
     * @param tileWidth tile width in pixels
     * @param tileHeight tile height in pixels */
    public TiledMapTileLayer(int width, int height, int tileWidth, int tileHeight) {
        super();
        this.width = width;
        this.height = height;
        this.tileWidth = tileWidth;
        this.tileHeight = tileHeight;
        this.cells = new Cell[width][height];
    }

    /** @param x X coordinate
     * @param y Y coordinate
     * @return {@link Cell} at (x, y) */
    public Cell getCell(int x, int y) {
        if (x < 0 || x >= width)
            return null;
        if (y < 0 || y >= height)
            return null;
        return cells[x][y];
    }

    /** Sets the {@link Cell} at the given coordinates.
     * 
     * @param x X coordinate
     * @param y Y coordinate
     * @param cell the {@link Cell} to set at the given coordinates. */
    public void setCell(int x, int y, Cell cell) {
        if (x < 0 || x >= width)
            return;
        if (y < 0 || y >= height)
            return;
        cells[x][y] = cell;
    }

    /** @brief represents a cell in a TiledLayer: TiledMapTile, flip and rotation properties. */
    public static class Cell {

        private TiledMapTile tile;

        private boolean flipHorizontally;

        private boolean flipVertically;

        private int rotation;

        /** @return The tile currently assigned to this cell. */
        public TiledMapTile getTile() {
            return tile;
        }

        /** Sets the tile to be used for this cell.
         * 
         * @param tile the {@link TiledMapTile} to use for this cell. */
        public void setTile(TiledMapTile tile) {
            this.tile = tile;
        }

        /** @return Whether the tile should be flipped horizontally. */
        public boolean getFlipHorizontally() {
            return flipHorizontally;
        }

        /** Sets whether to flip the tile horizontally.
         * 
         * @param flipHorizontally whether or not to flip the tile horizontally. */
        public void setFlipHorizontally(boolean flipHorizontally) {
            this.flipHorizontally = flipHorizontally;
        }

        /** @return Whether the tile should be flipped vertically. */
        public boolean getFlipVertically() {
            return flipVertically;
        }

        /** Sets whether to flip the tile vertically.
         * 
         * @param flipVertically whether or not this tile should be flipped vertically. */
        public void setFlipVertically(boolean flipVertically) {
            this.flipVertically = flipVertically;
        }

        /** @return The rotation of this cell, in degrees. */
        public int getRotation() {
            return rotation;
        }

        /** Sets the rotation of this cell, in degrees.
         * 
         * @param rotation the rotation in degrees. */
        public void setRotation(int rotation) {
            this.rotation = rotation;
        }

        public static final int ROTATE_0 = 0;
        public static final int ROTATE_90 = 1;
        public static final int ROTATE_180 = 2;
        public static final int ROTATE_270 = 3;
    }
}