/*
* Copyright 2013 MovingBlocks
*
* 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 org.terasology.monitoring.chunk;
import com.google.common.base.Preconditions;
import com.google.common.collect.Maps;
import com.google.common.eventbus.EventBus;
import org.terasology.math.Vector3i;
import org.terasology.rendering.primitives.ChunkMesh;
import org.terasology.world.chunks.Chunk;
import org.terasology.world.chunks.ChunkProvider;
import java.util.List;
import java.util.Map;
public final class ChunkMonitor {
private static final EventBus EVENT_BUS = new EventBus("ChunkMonitor");
private static final Map<Vector3i, ChunkMonitorEntry> CHUNKS = Maps.newConcurrentMap();
private ChunkMonitor() {
}
private static void post(Object event) {
EVENT_BUS.post(event);
}
private static synchronized ChunkMonitorEntry registerChunk(Chunk chunk) {
Preconditions.checkNotNull(chunk, "The parameter 'chunk' must not be null");
final Vector3i pos = chunk.getPosition();
ChunkMonitorEntry entry = CHUNKS.get(pos);
if (entry == null) {
entry = new ChunkMonitorEntry(pos);
CHUNKS.put(pos, entry);
}
entry.addChunk(chunk);
return entry;
}
public static void registerForEvents(Object object) {
Preconditions.checkNotNull(object, "The parameter 'object' must not be null");
EVENT_BUS.register(object);
}
public static void fireChunkProviderInitialized(ChunkProvider provider) {
post(new ChunkMonitorEvent.ChunkProviderInitialized(provider));
}
public static void fireChunkProviderDisposed(ChunkProvider provider) {
CHUNKS.clear();
post(new ChunkMonitorEvent.ChunkProviderDisposed(provider));
}
public static void fireChunkCreated(Chunk chunk) {
Preconditions.checkNotNull(chunk, "The parameter 'chunk' must not be null");
final ChunkMonitorEntry entry = registerChunk(chunk);
if (entry != null) {
post(new ChunkMonitorEvent.Created(entry));
}
}
public static void fireChunkDisposed(Chunk chunk) {
Preconditions.checkNotNull(chunk, "The parameter 'chunk' must not be null");
post(new ChunkMonitorEvent.Disposed(chunk.getPosition()));
}
public static void fireChunkRevived(Chunk chunk) {
Preconditions.checkNotNull(chunk, "The parameter 'chunk' must not be null");
post(new ChunkMonitorEvent.Revived(chunk.getPosition()));
}
public static void fireChunkDeflated(Chunk chunk, int oldSize, int newSize) {
Preconditions.checkNotNull(chunk, "The parameter 'chunk' must not be null");
post(new ChunkMonitorEvent.Deflated(chunk.getPosition(), oldSize, newSize));
}
public static void fireChunkTessellated(Vector3i chunkPos, ChunkMesh[] mesh) {
Preconditions.checkNotNull(chunkPos, "The parameter 'chunkPos' must not be null");
post(new ChunkMonitorEvent.Tessellated(chunkPos, mesh));
}
public static synchronized void getChunks(List<ChunkMonitorEntry> output) {
Preconditions.checkNotNull(output, "The parameter 'output' must not be null");
output.addAll(CHUNKS.values());
}
}