116 lines
3.8 KiB
Java
116 lines
3.8 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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public static final CompassManager INSTANCE = new CompassManager();
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private final HashMap<CompassRequest, CompassResult> requests
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= new HashMap<CompassRequest, CompassResult>();
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public void postResult(
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final long attunement,
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final int x,
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final int y,
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final int z,
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final CompassResult result
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) {
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final 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
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getCompassDirection(final long attunement, final int x, final int y, final int z) {
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final long now = System.currentTimeMillis();
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final Iterator<CompassResult> i = this.requests.values().iterator();
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while (i.hasNext()) {
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final CompassResult res = i.next();
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final long diff = now - res.getTime();
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if (diff > 20000) {
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i.remove();
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}
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}
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final 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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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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} else if (now - res.getTime() > 1000 * 3) {
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if (!res.isRequested()) {
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res.setRequested(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(final CompassRequest r) {
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NetworkHandler.instance.sendToServer(
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new PacketCompassRequest(r.attunement, r.cx, r.cz, r.cdy)
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);
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}
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private static class CompassRequest {
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private final int hash;
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private final long attunement;
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private final int cx;
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private final int cdy;
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private final int cz;
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public CompassRequest(
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final long attunement, final int x, final int y, final 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()
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^ ((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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return this.hash;
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}
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@Override
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public boolean equals(final Object obj) {
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if (obj == null) {
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return false;
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}
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if (this.getClass() != obj.getClass()) {
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return false;
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}
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final CompassRequest other = (CompassRequest) obj;
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return this.attunement == other.attunement && this.cx == other.cx
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&& this.cdy == other.cdy && this.cz == other.cz;
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}
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}
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}
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