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TickManager.java
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TickManager.java
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package me.nallar.tickthreading.minecraft;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import java.util.TreeMap;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import me.nallar.tickthreading.Log;
import me.nallar.tickthreading.minecraft.tickcallables.EntityTickCallable;
import me.nallar.tickthreading.minecraft.tickcallables.TickCallable;
import me.nallar.tickthreading.minecraft.tickcallables.TileEntityTickCallable;
import net.minecraft.src.Entity;
import net.minecraft.src.TileEntity;
import net.minecraft.src.World;
public class TickManager {
public final int regionSize;
public boolean variableTickRate;
private final Object tickLock = new Object();
private final List<TileEntity> toRemoveTileEntities = new ArrayList<TileEntity>();
private final List<Entity> toRemoveEntities = new ArrayList<Entity>();
private final List<TileEntity> toAddTileEntities = new ArrayList<TileEntity>();
private final List<Entity> toAddEntities = new ArrayList<Entity>();
private final Map<Integer, TileEntityTickCallable> tileEntityCallables = new HashMap<Integer, TileEntityTickCallable>();
private final Map<Integer, EntityTickCallable> entityCallables = new HashMap<Integer, EntityTickCallable>();
private final List<TickCallable<Object>> tickCallables = new ArrayList<TickCallable<Object>>();
private final ExecutorService tickExecutor = Executors.newCachedThreadPool();
public final World world;
public TickManager(World world, int regionSize) {
this.world = world;
this.regionSize = regionSize;
}
public void setVariableTickRate(boolean variableTickRate) {
this.variableTickRate = variableTickRate;
}
public TickCallable getTileEntityCallable(int hashCode) {
return tileEntityCallables.get(hashCode);
}
@SuppressWarnings ("NumericCastThatLosesPrecision")
private TileEntityTickCallable getOrCreateCallable(TileEntity tileEntity) {
int hashCode = getHashCode(tileEntity);
TileEntityTickCallable callable = tileEntityCallables.get(hashCode);
if (callable == null) {
callable = new TileEntityTickCallable<Object>(world, this, tileEntity.xCoord / regionSize, tileEntity.zCoord / regionSize);
tileEntityCallables.put(hashCode, callable);
tickCallables.add(callable);
}
return callable;
}
public TickCallable getEntityCallable(int hashCode) {
return entityCallables.get(hashCode);
}
@SuppressWarnings ("NumericCastThatLosesPrecision")
private EntityTickCallable getOrCreateCallable(Entity entity) {
int regionX = (int) entity.posX / regionSize;
int regionZ = (int) entity.posZ / regionSize;
int hashCode = getHashCodeFromRegionCoords(regionX, regionZ);
EntityTickCallable callable = entityCallables.get(hashCode);
if (callable == null) {
callable = new EntityTickCallable<Object>(world, this, regionX, regionZ);
entityCallables.put(hashCode, callable);
tickCallables.add(callable);
}
return callable;
}
public int getHashCode(TileEntity tileEntity) {
return getHashCode(tileEntity.xCoord, tileEntity.zCoord);
}
@SuppressWarnings ("NumericCastThatLosesPrecision")
public int getHashCode(Entity entity) {
return getHashCode((int) entity.posX, (int) entity.posZ);
}
int getHashCode(int x, int z) {
return getHashCodeFromRegionCoords(x / regionSize, z / regionSize);
}
public static int getHashCodeFromRegionCoords(int x, int z) {
return x + (z << 16);
}
private synchronized void processChanges() {
try {
synchronized (tickLock) {
for (TileEntity tileEntity : toRemoveTileEntities) {
getOrCreateCallable(tileEntity).remove(tileEntity);
}
for (TileEntity tileEntity : toAddTileEntities) {
getOrCreateCallable(tileEntity).add(tileEntity);
}
for (Entity entity : toRemoveEntities) {
getOrCreateCallable(entity).remove(entity);
}
for (Entity entity : toAddEntities) {
getOrCreateCallable(entity).add(entity);
}
toAddEntities.clear();
toAddTileEntities.clear();
toRemoveEntities.clear();
toRemoveTileEntities.clear();
Iterator<TickCallable<Object>> iterator = tickCallables.iterator();
while (iterator.hasNext()) {
TickCallable<Object> tickCallable = iterator.next();
if (tickCallable.isEmpty()) {
iterator.remove();
if (tickCallable instanceof EntityTickCallable) {
entityCallables.remove(tickCallable.hashCode);
} else {
tileEntityCallables.remove(tickCallable.hashCode);
}
tickCallable.die();
} else {
tickCallable.processChanges();
}
}
}
} catch (Exception e) {
Log.severe("Exception occurred while processing entity changes: ", e);
}
}
public synchronized void add(TileEntity tileEntity) {
toAddTileEntities.add(tileEntity);
}
public synchronized void add(Entity entity) {
toAddEntities.add(entity);
}
public synchronized void remove(TileEntity tileEntity) {
toRemoveTileEntities.add(tileEntity);
}
public synchronized void remove(Entity entity) {
toRemoveEntities.add(entity);
}
public void doTick() {
synchronized (tickLock) {
try {
tickExecutor.invokeAll(tickCallables);
} catch (InterruptedException e) {
Log.warning("Interrupted while ticking: ", e);
}
}
tickExecutor.submit(new Runnable() {
@Override
public void run() {
processChanges();
}
});
}
public void unload() {
tickExecutor.shutdown();
}
public float getTickTime() {
float maxTickTime = 0;
synchronized (tickLock) {
for (TickCallable<Object> tickCallable : tickCallables) {
float averageTickTime = tickCallable.getAverageTickTime();
if (averageTickTime > maxTickTime) {
maxTickTime = averageTickTime;
}
}
}
return (maxTickTime > 55) ? 55 : maxTickTime;
}
public float getEffectiveTickTime() {
float tickTime = getTickTime();
if (tickTime < 50) {
tickTime = 50;
} else if (tickTime > 55 && variableTickRate) {
tickTime = 55;
}
return tickTime;
}
public String getDetailedStats() {
StringBuilder stats = new StringBuilder();
stats.append("World: ").append(Log.name(world)).append("\n");
stats.append("---- Slowest tick regions ----").append("\n");
float averageAverageTickTime = 0;
float maxTickTime = 0;
SortedMap<Float, TickCallable<Object>> sortedTickCallables = new TreeMap<Float, TickCallable<Object>>();
synchronized (tickLock) {
for (TickCallable<Object> tickCallable : tickCallables) {
float averageTickTime = tickCallable.getAverageTickTime();
averageAverageTickTime += averageTickTime;
sortedTickCallables.put(averageTickTime, tickCallable);
if (averageTickTime > maxTickTime) {
maxTickTime = averageTickTime;
}
}
}
Collection<TickCallable<Object>> var = sortedTickCallables.values();
TickCallable[] sortedTickCallablesArray = var.toArray(new TickCallable[var.size()]);
for (int i = sortedTickCallablesArray.length - 1; i >= sortedTickCallablesArray.length - 6; i--) {
if (sortedTickCallablesArray[i].getAverageTickTime() > 3) {
stats.append(sortedTickCallablesArray[i].getStats()).append("\n");
}
}
averageAverageTickTime /= tickCallables.size();
stats.append("---- World stats ----").append("\n");
stats.append("Average tick time: ").append(averageAverageTickTime).append("\n");
stats.append("Max tick time: ").append(maxTickTime).append("\n");
stats.append("Effective tick time: ").append((maxTickTime > 55) ? 55 : maxTickTime).append("\n");
return stats.toString();
}
}