114 lines
3.0 KiB
Java
114 lines
3.0 KiB
Java
package net.minecraftforge.server;
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import java.lang.ref.WeakReference;
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import java.util.Arrays;
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import java.util.Map;
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import java.util.Map.Entry;
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import com.google.common.collect.ImmutableMap;
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import com.google.common.collect.ImmutableMap.Builder;
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import com.google.common.collect.MapMaker;
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import net.minecraft.entity.Entity;
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import net.minecraft.tileentity.TileEntity;
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public class ForgeTimeTracker {
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public static boolean tileEntityTracking;
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public static int tileEntityTrackingDuration;
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public static long tileEntityTrackingTime;
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private Map<TileEntity,int[]> tileEntityTimings;
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private Map<Entity,int[]> entityTimings;
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private static final ForgeTimeTracker INSTANCE = new ForgeTimeTracker();
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private WeakReference<TileEntity> tile;
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private WeakReference<Entity> entity;
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private long timing;
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private ForgeTimeTracker()
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{
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MapMaker mm = new MapMaker();
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mm.weakKeys();
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tileEntityTimings = mm.makeMap();
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entityTimings = mm.makeMap();
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}
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private void trackTileStart(TileEntity tileEntity, long nanoTime)
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{
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if (tileEntityTrackingTime == 0)
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{
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tileEntityTrackingTime = nanoTime;
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}
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else if (tileEntityTrackingTime + tileEntityTrackingDuration < nanoTime)
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{
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tileEntityTracking = false;
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tileEntityTrackingTime = 0;
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return;
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}
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tile = new WeakReference<TileEntity>(tileEntity);
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timing = nanoTime;
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}
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private void trackTileEnd(TileEntity tileEntity, long nanoTime)
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{
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if (tile == null || tile.get() != tileEntity)
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{
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tile = null;
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// race, exit
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return;
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}
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int[] timings = tileEntityTimings.get(tileEntity);
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if (timings == null)
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{
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timings = new int[101];
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tileEntityTimings.put(tileEntity, timings);
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}
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int idx = timings[100] = (timings[100] + 1) % 100;
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timings[idx] = (int) (nanoTime - timing);
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}
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public static ImmutableMap<TileEntity,int[]> getTileTimings()
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{
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return INSTANCE.buildImmutableTileEntityTimingMap();
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}
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private ImmutableMap<TileEntity, int[]> buildImmutableTileEntityTimingMap()
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{
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Builder<TileEntity, int[]> builder = ImmutableMap.<TileEntity,int[]>builder();
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for (Entry<TileEntity, int[]> entry : tileEntityTimings.entrySet())
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{
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builder.put(entry.getKey(), Arrays.copyOfRange(entry.getValue(), 0, 100));
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}
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return builder.build();
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}
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public static void trackStart(TileEntity tileEntity)
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{
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if (!tileEntityTracking) return;
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INSTANCE.trackTileStart(tileEntity, System.nanoTime());
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}
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public static void trackEnd(TileEntity tileEntity)
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{
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if (!tileEntityTracking) return;
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INSTANCE.trackTileEnd(tileEntity, System.nanoTime());
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}
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public static void trackStart(Entity par1Entity)
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{
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}
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public static void trackEnd(Entity par1Entity)
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{
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}
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}
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