- move SaveGame util to core plugins - fix BinaryImporter accessing assetManager if null git-svn-id: https://jmonkeyengine.googlecode.com/svn/trunk@8871 75d07b2b-3a1a-0410-a2c5-0572b91ccdca3.0
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/* |
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* To change this template, choose Tools | Templates |
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* and open the template in the editor. |
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*/ |
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package jme3tools.savegame; |
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|
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import com.jme3.asset.AssetManager; |
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import com.jme3.export.Savable; |
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import com.jme3.export.binary.BinaryExporter; |
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import com.jme3.export.binary.BinaryImporter; |
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import java.io.ByteArrayInputStream; |
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import java.io.ByteArrayOutputStream; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.util.logging.Level; |
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import java.util.logging.Logger; |
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import java.util.prefs.Preferences; |
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import java.util.zip.GZIPInputStream; |
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import java.util.zip.GZIPOutputStream; |
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import sun.misc.UUDecoder; |
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import sun.misc.UUEncoder; |
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|
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/** |
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* Tool for saving Savables as SaveGame entries in a system-dependent way. |
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* @author normenhansen |
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*/ |
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public class SaveGame { |
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|
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/** |
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* Saves a savable in a system-dependent way. Note that only small amounts of data can be saved. |
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* @param gamePath A unique path for this game, e.g. com/mycompany/mygame |
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* @param dataName A unique name for this savegame, e.g. "save_001" |
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* @param data The Savable to save |
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*/ |
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public static void saveGame(String gamePath, String dataName, Savable data) { |
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Preferences prefs = Preferences.userRoot().node(gamePath); |
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BinaryExporter ex = BinaryExporter.getInstance(); |
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ByteArrayOutputStream out = new ByteArrayOutputStream(); |
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try { |
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GZIPOutputStream zos = new GZIPOutputStream(out); |
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ex.save(data, zos); |
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zos.close(); |
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} catch (IOException ex1) { |
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Logger.getLogger(SaveGame.class.getName()).log(Level.SEVERE, "Error saving data: {0}", ex1); |
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ex1.printStackTrace(); |
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} |
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UUEncoder enc = new UUEncoder(); |
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String dataString = enc.encodeBuffer(out.toByteArray()); |
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// System.out.println(dataString);
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if (dataString.length() > Preferences.MAX_VALUE_LENGTH) { |
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throw new IllegalStateException("SaveGame dataset too large"); |
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} |
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prefs.put(dataName, dataString); |
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} |
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|
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/** |
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* Loads a savable that has been saved on this system with saveGame() before. |
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* @param gamePath A unique path for this game, e.g. com/mycompany/mygame |
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* @param dataName A unique name for this savegame, e.g. "save_001" |
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* @return The savable that was saved |
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*/ |
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public static Savable loadGame(String gamePath, String dataName) { |
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return loadGame(gamePath, dataName, null); |
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} |
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|
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/** |
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* Loads a savable that has been saved on this system with saveGame() before. |
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* @param gamePath A unique path for this game, e.g. com/mycompany/mygame |
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* @param dataName A unique name for this savegame, e.g. "save_001" |
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* @param assetManager Link to an AssetManager if required for loading the data (e.g. models with textures) |
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* @return The savable that was saved |
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*/ |
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public static Savable loadGame(String gamePath, String dataName, AssetManager manager) { |
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Preferences prefs = Preferences.userRoot().node(gamePath); |
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String data = prefs.get(dataName, ""); |
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InputStream is = null; |
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Savable sav = null; |
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UUDecoder dec = new UUDecoder(); |
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try { |
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is = new GZIPInputStream(new ByteArrayInputStream(dec.decodeBuffer(data))); |
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BinaryImporter imp = BinaryImporter.getInstance(); |
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if (manager != null) { |
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imp.setAssetManager(manager); |
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} |
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sav = imp.load(is); |
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} catch (IOException ex) { |
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Logger.getLogger(SaveGame.class.getName()).log(Level.SEVERE, "Error loading data: {0}", ex); |
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ex.printStackTrace(); |
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} finally { |
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if (is != null) { |
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try { |
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is.close(); |
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} catch (IOException ex) { |
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Logger.getLogger(SaveGame.class.getName()).log(Level.SEVERE, "Error loading data: {0}", ex); |
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ex.printStackTrace(); |
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} |
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} |
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} |
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return sav; |
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} |
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} |
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