123 lines
3.1 KiB
Java
123 lines
3.1 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2014, AlgorithmX2, All rights reserved.
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*
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* Applied Energistics 2 is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Applied Energistics 2 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with Applied Energistics 2. If not, see <http://www.gnu.org/licenses/lgpl>.
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*/
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package appeng.hooks;
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import java.util.HashMap;
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import java.util.Iterator;
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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 final CompassManager INSTANCE = new CompassManager();
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final HashMap<CompassRequest, CompassResult> requests = new HashMap<CompassRequest, CompassResult>();
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public void postResult( long attunement, int x, int y, int z, CompassResult result )
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{
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CompassRequest r = new CompassRequest( attunement, x, y, z );
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this.requests.put( r, result );
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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 = this.requests.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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{
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i.remove();
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}
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}
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CompassRequest r = new CompassRequest( attunement, x, y, z );
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CompassResult res = this.requests.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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this.requests.put( r, res );
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this.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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this.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( CompassRequest r )
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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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static class CompassRequest
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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;
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final int cdy;
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final int cz;
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public CompassRequest( long attunement, int x, int y, int z )
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{
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this.attunement = attunement;
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this.cx = x >> 4;
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this.cdy = y >> 5;
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this.cz = z >> 4;
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this.hash = ( (Integer) this.cx ).hashCode() ^ ( (Integer) this.cdy ).hashCode() ^ ( (Integer) this.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 this.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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if( obj == null )
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{
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return false;
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}
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if( this.getClass() != obj.getClass() )
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{
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return false;
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}
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CompassRequest other = (CompassRequest) obj;
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return this.attunement == other.attunement && this.cx == other.cx && this.cdy == other.cdy && this.cz == other.cz;
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}
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}
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}
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