/**
* Restores to world.
*
* @param editSession
* @throws MaxChangedBlocksException
*/
public void restore(EditSession editSession) throws MaxChangedBlocksException {
missingChunks = new ArrayList<Vector2D>();
errorChunks = new ArrayList<Vector2D>();
// Now let's start restoring!
for (Map.Entry<BlockVector2D, ArrayList<Vector>> entry : neededChunks.entrySet()) {
BlockVector2D chunkPos = entry.getKey();
Chunk chunk;
try {
chunk = chunkStore.getChunk(chunkPos, editSession.getWorld());
// Good, the chunk could be at least loaded
// Now just copy blocks!
for (Vector pos : entry.getValue()) {
BaseBlock block = chunk.getBlock(pos);
editSession.setBlock(pos, block);
}
} catch (MissingChunkException me) {
missingChunks.add(chunkPos);
} catch (MissingWorldException me) {
errorChunks.add(chunkPos);
lastErrorMessage = me.getMessage();
} catch (DataException de) {
errorChunks.add(chunkPos);
lastErrorMessage = de.getMessage();
} catch (IOException ioe) {
errorChunks.add(chunkPos);
lastErrorMessage = ioe.getMessage();
}
}
}
/**
* Find needed chunks in the region.
*
* @param region
*/
private void findNeededChunks(Region region) {
// First, we need to group points by chunk so that we only need
// to keep one chunk in memory at any given moment
for (Vector pos : region) {
BlockVector2D chunkPos = ChunkStore.toChunk(pos);
// Unidentified chunk
if (!neededChunks.containsKey(chunkPos)) {
neededChunks.put(chunkPos, new ArrayList<Vector>());
}
neededChunks.get(chunkPos).add(pos);
}
}
/**
* Find needed chunks in the cuboid of the region.
*
* @param region
*/
private void findNeededCuboidChunks(Region region) {
Vector min = region.getMinimumPoint();
Vector max = region.getMaximumPoint();
// First, we need to group points by chunk so that we only need
// to keep one chunk in memory at any given moment
for (int x = min.getBlockX(); x <= max.getBlockX(); ++x) {
for (int y = min.getBlockY(); y <= max.getBlockY(); ++y) {
for (int z = min.getBlockZ(); z <= max.getBlockZ(); ++z) {
Vector pos = new Vector(x, y, z);
BlockVector2D chunkPos = ChunkStore.toChunk(pos);
// Unidentified chunk
if (!neededChunks.containsKey(chunkPos)) {
neededChunks.put(chunkPos, new ArrayList<Vector>());
}
neededChunks.get(chunkPos).add(pos);
}
}
}
}
