103 lines
2 KiB
Java
103 lines
2 KiB
Java
package appeng.hooks;
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import java.io.IOException;
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import java.util.HashMap;
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import java.util.Iterator;
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import appeng.core.AELog;
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import appeng.core.sync.network.NetworkHandler;
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import appeng.core.sync.packets.PacketCompassRequest;
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public class CompassManager
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{
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public static CompassManager instance = new CompassManager();
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class CompassReq
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{
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final int hash;
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final long attunement;
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final int cx, cdy, cz;
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public CompassReq(long attunement, int x, int y, int z) {
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this.attunement = attunement;
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cx = x >> 4;
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cdy = y >> 5;
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cz = z >> 4;
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hash = ((Integer) cx).hashCode() ^ ((Integer) cdy).hashCode() ^ ((Integer) cz).hashCode() ^ ((Long) attunement).hashCode();
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}
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@Override
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public int hashCode()
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{
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return hash;
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}
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@Override
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public boolean equals(Object obj)
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{
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CompassReq b = (CompassReq) obj;
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return attunement == b.attunement && cx == b.cx && cdy == b.cdy && cz == b.cz;
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}
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}
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HashMap<CompassReq, CompassResult> reqs = new HashMap();
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public void postResult(long attunement, int x, int y, int z, CompassResult res)
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{
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CompassReq r = new CompassReq( attunement, x, y, z );
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reqs.put( r, res );
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}
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public CompassResult getCompassDirection(long attunement, int x, int y, int z)
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{
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long now = System.currentTimeMillis();
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Iterator<CompassResult> i = reqs.values().iterator();
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while (i.hasNext())
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{
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CompassResult res = i.next();
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long diff = now - res.time;
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if ( diff > 20000 )
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i.remove();
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}
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CompassReq r = new CompassReq( attunement, x, y, z );
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CompassResult res = reqs.get( r );
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if ( res == null )
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{
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res = new CompassResult( false, true, 0 );
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reqs.put( r, res );
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requestUpdate( r );
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}
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else if ( now - res.time > 1000 * 3 )
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{
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if ( !res.requested )
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{
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res.requested = true;
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requestUpdate( r );
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}
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}
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return res;
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}
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private void requestUpdate(CompassReq r)
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{
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try
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{
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NetworkHandler.instance.sendToServer( new PacketCompassRequest( r.attunement, r.cx, r.cz, r.cdy ) );
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}
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catch (IOException e)
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{
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AELog.error( e );
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}
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}
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}
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