Android Open Source - androidTileMapEditor Tile Map

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2012 Luca Santarelli//from  w ww  . j av  a2s  .co m
 *
 * 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 it.sineo.android.tileMapEditor;

import org.json.JSONException;
import org.json.JSONObject;

import android.graphics.Bitmap;
import android.graphics.Matrix;
import android.os.Bundle;
import android.provider.BaseColumns;

public class TileMap {
  public static class Columns implements BaseColumns {
    /*
     * Public constants
     */
    public static final String KEY_ROWID = "_id";
    public static final String KEY_NAME = "_name";
    public static final String KEY_JSON_DATA = "_json_data";
    public static final String KEY_LAST_UPDATE = "_last_update";
    public static final String KEY_THUMB = "_thumb";
  }

  String name;
  /* Map info, mapped to JSON data */
  int rows;
  int columns;

  float scale = 1f;
  float xOff = 0;
  float yOff = 0;

  String[][] tilePaths;
  byte[][] tileAngles;
  /* Transient data */
  transient Bitmap[][] tileBitmaps;
  transient Matrix[][] tileMatrices;

  /**
   * Returns a JSON representation of this map. No transient data is stored.
   * 
   * @return
   */
  public String toJSON() {
    JSONObject o = new JSONObject();
    try {
      o.put("name", name);

      o.put("rows", rows);
      o.put("columns", columns);
      o.put("scale", scale);
      o.put("xOff", xOff);
      o.put("yOff", yOff);
      for (int idxRow = 0; idxRow < rows; idxRow++) {
        for (int idxCol = 0; idxCol < columns; idxCol++) {
          if (tilePaths[idxRow][idxCol] != null) {
            o.put("paths_" + idxRow + "_" + idxCol, tilePaths[idxRow][idxCol]);
            o.put("angles_" + idxRow + "_" + idxCol, tileAngles[idxRow][idxCol]);
          }
        }
      }
    } catch (JSONException jsonex) {
      jsonex.printStackTrace();
    }
    String json = o.toString();
    return json;
  }

  /**
   * Returns a Bundle representation of this map. No transient data is stored.
   * 
   * @return
   */
  public Bundle toBundle() {
    Bundle b = new Bundle();
    b.putString("name", name);

    b.putInt("rows", rows);
    b.putInt("columns", columns);
    b.putFloat("scale", scale);
    b.putFloat("xOff", xOff);
    b.putFloat("yOff", yOff);
    for (int idxRow = 0; idxRow < rows; idxRow++) {
      for (int idxCol = 0; idxCol < columns; idxCol++) {
        if (tilePaths[idxRow][idxCol] != null) {
          b.putString("paths_" + idxRow + "_" + idxCol, tilePaths[idxRow][idxCol]);
          b.putByte("angles_" + idxRow + "_" + idxCol, tileAngles[idxRow][idxCol]);
        }
      }
    }
    return b;
  }

  public TileMap(Bundle b) {
    name = b.getString("name");

    rows = b.getInt("rows");
    columns = b.getInt("columns");
    scale = b.getFloat("scale");
    xOff = b.getFloat("xOff");
    yOff = b.getFloat("yoff");

    tilePaths = new String[rows][columns];
    tileBitmaps = new Bitmap[rows][columns];
    tileAngles = new byte[rows][columns];
    tileMatrices = new Matrix[rows][columns];

    for (int idxRow = 0; idxRow < rows; idxRow++) {
      for (int idxCol = 0; idxCol < columns; idxCol++) {
        if (b.containsKey("paths_" + idxRow + "_" + idxCol)) {
          tilePaths[idxRow][idxCol] = b.getString("paths_" + idxRow + "_" + idxCol);
          tileAngles[idxRow][idxCol] = b.getByte("angles_" + idxRow + "_" + idxCol);
        }
      }
    }
  }

  public TileMap(String json) {
    try {
      JSONObject o = new JSONObject(json);

      name = o.getString("name");

      rows = o.getInt("rows");
      columns = o.getInt("columns");
      scale = (float) o.getDouble("scale");
      xOff = (float) o.getDouble("xOff");
      yOff = (float) o.getDouble("yOff");

      tilePaths = new String[rows][columns];
      tileBitmaps = new Bitmap[rows][columns];
      tileAngles = new byte[rows][columns];
      tileMatrices = new Matrix[rows][columns];

      for (int idxRow = 0; idxRow < rows; idxRow++) {
        for (int idxCol = 0; idxCol < columns; idxCol++) {
          if (o.has("paths_" + idxRow + "_" + idxCol)) {
            tilePaths[idxRow][idxCol] = o.getString("paths_" + idxRow + "_" + idxCol);
            tileAngles[idxRow][idxCol] = (byte) o.getInt("angles_" + idxRow + "_" + idxCol);
          }
        }
      }
    } catch (JSONException jsonex) {
      /* This cannot happen, unless the object was tampered with. */
      jsonex.printStackTrace();
    }
  }

  public TileMap(int rows, int columns) {
    this.rows = rows;
    this.columns = columns;

    tilePaths = new String[rows][columns];
    tileBitmaps = new Bitmap[rows][columns];
    tileAngles = new byte[rows][columns];
    tileMatrices = new Matrix[rows][columns];
  }
}

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