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This commit is contained in:
James Seibel
2021-09-25 23:20:05 -05:00
parent 4c76a48e84
commit fb5aceb44d
1 changed files with 54 additions and 49 deletions
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src/main/java/com/seibel/lod/handlers/LodDimensionFileHandler.java
+54 -49
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@@ -32,7 +32,11 @@ import java.util.concurrent.Executors;
import com.seibel.lod.enums.DistanceGenerationMode;
import com.seibel.lod.enums.VerticalQuality;
import com.seibel.lod.objects.*;
import com.seibel.lod.objects.LodDimension;
import com.seibel.lod.objects.LodRegion;
import com.seibel.lod.objects.RegionPos;
import com.seibel.lod.objects.SingleLevelContainer;
import com.seibel.lod.objects.VerticalLevelContainer;
import com.seibel.lod.proxy.ClientProxy;
import com.seibel.lod.util.LodThreadFactory;
import com.seibel.lod.util.LodUtil;
@@ -41,18 +45,19 @@ import com.seibel.lod.util.LodUtil;
* This object handles creating LodRegions
* from files and saving LodRegion objects
* to file.
*
*
* @author James Seibel
* @version 9-7-2021
* @author Cola
* @version 9-25-2021
*/
public class LodDimensionFileHandler
{
private LodDimension loadedDimension = null;
public long regionLastWriteTime[][];
private File dimensionDataSaveFolder;
/**
* lod
*/
@@ -65,7 +70,7 @@ public class LodDimensionFileHandler
* detail-#
*/
private static final String DETAIL_FOLDER_NAME_PREFIX = "detail-";
/**
* .tmp <br>
* Added to the end of the file path when saving to prevent
@@ -74,28 +79,28 @@ public class LodDimensionFileHandler
* FILE_EXTENSION.
*/
private static final String TMP_FILE_EXTENSION = ".tmp";
/**
* This is the file version currently accepted by this
* file handler, older versions (smaller numbers) will be deleted and overwritten,
* newer versions (larger numbers) will be ignored and won't be read.
*/
public static final int LOD_SAVE_FILE_VERSION = 6;
/**
* Allow saving asynchronously, but never try to save multiple regions
* at a time
*/
private ExecutorService fileWritingThreadPool = Executors.newSingleThreadExecutor(new LodThreadFactory(this.getClass().getSimpleName()));
public LodDimensionFileHandler(File newSaveFolder, LodDimension newLoadedDimension)
{
if (newSaveFolder == null)
throw new IllegalArgumentException("LodDimensionFileHandler requires a valid File location to read and write to.");
dimensionDataSaveFolder = newSaveFolder;
loadedDimension = newLoadedDimension;
// these two variable are used in sync with the LodDimension
regionLastWriteTime = new long[loadedDimension.getWidth()][loadedDimension.getWidth()];
@@ -103,12 +108,12 @@ public class LodDimensionFileHandler
for (int j = 0; j < loadedDimension.getWidth(); j++)
regionLastWriteTime[i][j] = -1;
}
//================//
// read from file //
//================//
/**
* Return the LodRegion region at the given coordinates.
* (null if the file doesn't exist)
@@ -121,17 +126,17 @@ public class LodDimensionFileHandler
for (byte tempDetailLevel = LodUtil.REGION_DETAIL_LEVEL; tempDetailLevel >= detailLevel; tempDetailLevel--)
{
String fileName = getFileNameAndPathForRegion(regionX, regionZ, generationMode, tempDetailLevel, verticalQuality);
try
{
// if the fileName was null that means the folder is inaccessible
// for some reason
if (fileName == null)
throw new IllegalArgumentException("Unable to read region [" + regionX + ", " + regionZ + "] file, no fileName.");
File f = new File(fileName);
if (!f.exists())
{
// there wasn't a file, don't
@@ -154,7 +159,7 @@ public class LodDimensionFileHandler
ClientProxy.LOGGER.info("Outdated LOD region file for region: (" + regionX + "," + regionZ + ") version found: " + fileVersion +
", version requested: " + LOD_SAVE_FILE_VERSION +
" File was been deleted.");
break;
} else if (fileVersion > LOD_SAVE_FILE_VERSION) {
// the file we are reading is a newer version,
@@ -164,7 +169,7 @@ public class LodDimensionFileHandler
ClientProxy.LOGGER.info("Newer LOD region file for region: (" + regionX + "," + regionZ + ") version found: " + fileVersion +
", version requested: " + LOD_SAVE_FILE_VERSION +
" this region will not be written to in order to protect the newer file.");
break;
}
// this file is a readable version, begin reading the file
@@ -176,13 +181,13 @@ public class LodDimensionFileHandler
}
}
switch (region.getLodQualityMode()){
default:
case HEIGHTMAP:
region.addLevel(new SingleLevelContainer(data));
break;
case MULTI_LOD:
region.addLevel(new VerticalLevelContainer(data));
break;
default:
case HEIGHTMAP:
region.addLevel(new SingleLevelContainer(data));
break;
case MULTI_LOD:
region.addLevel(new VerticalLevelContainer(data));
break;
}
//region.addLevel(new SingleLevelContainer(data));
} catch (Exception e)
@@ -197,12 +202,12 @@ public class LodDimensionFileHandler
region.expand(detailLevel);
return region;
}
//==============//
// Save to File //
//==============//
/**
* Save all dirty regions in this LodDimension to file.
*/
@@ -210,7 +215,7 @@ public class LodDimensionFileHandler
{
fileWritingThreadPool.execute(saveDirtyRegionsThread);
}
private Thread saveDirtyRegionsThread = new Thread(() ->
{
try
@@ -231,7 +236,7 @@ public class LodDimensionFileHandler
e.printStackTrace();
}
});
/**
* Save a specific region to disk.<br>
* Note: <br>
@@ -249,7 +254,7 @@ public class LodDimensionFileHandler
{
String fileName = getFileNameAndPathForRegion(x, z, region.getGenerationMode(), detailLevel, region.getLodQualityMode());
File oldFile = new File(fileName);
// if the fileName was null that means the folder is inaccessible
// for some reason
if (fileName == null)
@@ -257,8 +262,8 @@ public class LodDimensionFileHandler
ClientProxy.LOGGER.warn("Unable to save region [" + x + ", " + z + "] to file, no fileName.");
return;
}
try
{
// make sure the file and folder exists
@@ -290,22 +295,22 @@ public class LodDimensionFileHandler
return;
} // if(fileVersion > LOD_SAVE_FILE_VERSION)
//else {
// we are good to continue and overwrite the old file
// we are good to continue and overwrite the old file
//}
}
// the old file is good, now create a new save file
File newFile = new File(fileName + TMP_FILE_EXTENSION);
try (OutputStream outputStream = new BufferedOutputStream(new FileOutputStream(newFile))) {
// add the version of this file
outputStream.write(LOD_SAVE_FILE_VERSION);
// add each LodChunk to the file
outputStream.write(region.getLevel(detailLevel).toDataString());
outputStream.close();
// overwrite the old file with the new one
Files.move(newFile.toPath(), oldFile.toPath(), StandardCopyOption.ATOMIC_MOVE, StandardCopyOption.REPLACE_EXISTING);
}catch (IOException ex) {
@@ -318,13 +323,13 @@ public class LodDimensionFileHandler
}
}
}
//================//
// helper methods //
//================//
/**
* Return the name of the file that should contain the
* region at the given x and z. <br>
@@ -343,7 +348,7 @@ public class LodDimensionFileHandler
// or
// ".\Super Flat\data"
return dimensionDataSaveFolder.getCanonicalPath() + File.separatorChar +
verticalQuality + File.separatorChar +
verticalQuality + File.separatorChar +
generationMode.toString() + File.separatorChar +
DETAIL_FOLDER_NAME_PREFIX + detailLevel + File.separatorChar +
FILE_NAME_PREFIX + "." + regionX + "." + regionZ + FILE_EXTENSION;
@@ -354,5 +359,5 @@ public class LodDimensionFileHandler
return null;
}
}
}