141 lines
3.9 KiB
Java
141 lines
3.9 KiB
Java
/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2015, 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.core.worlddata;
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import java.util.Optional;
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import java.util.UUID;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import com.google.common.base.Preconditions;
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import com.mojang.authlib.GameProfile;
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import net.minecraft.entity.player.EntityPlayer;
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import net.minecraftforge.common.config.ConfigCategory;
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import net.minecraftforge.common.config.Configuration;
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import net.minecraftforge.common.config.Property;
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import appeng.core.AppEng;
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/**
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* Handles the matching between UUIDs and internal IDs for security systems.
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* This whole system could be replaced by storing directly the UUID,
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* using a lot more traffic though
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*
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* @author thatsIch
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* @version rv3 - 30.05.2015
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* @since rv3 30.05.2015
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*/
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final class PlayerData implements IWorldPlayerData, IOnWorldStartable, IOnWorldStoppable
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{
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private static final String LAST_PLAYER_CATEGORY = "Counters";
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private static final String LAST_PLAYER_KEY = "lastPlayer";
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private static final int LAST_PLAYER_DEFAULT = 0;
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private final Configuration config;
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private final IWorldPlayerMapping playerMapping;
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private int lastPlayerID;
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public PlayerData( @Nonnull final Configuration configFile )
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{
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Preconditions.checkNotNull( configFile );
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this.config = configFile;
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final ConfigCategory playerList = this.config.getCategory( "players" );
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this.playerMapping = new PlayerMapping( playerList );
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}
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@Nullable
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@Override
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public EntityPlayer getPlayerFromID( final int playerID )
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{
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final Optional<UUID> maybe = this.playerMapping.get( playerID );
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if( maybe.isPresent() )
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{
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final UUID uuid = maybe.get();
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for( final EntityPlayer player : AppEng.proxy.getPlayers() )
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{
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if( player.getUniqueID().equals( uuid ) )
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{
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return player;
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}
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}
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}
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return null;
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}
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@Override
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public int getPlayerID( @Nonnull final GameProfile profile )
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{
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Preconditions.checkNotNull( profile );
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Preconditions.checkNotNull( this.config.getCategory( "players" ) );
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Preconditions.checkState( profile.isComplete() );
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final ConfigCategory players = this.config.getCategory( "players" );
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final String uuid = profile.getId().toString();
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final Property maybePlayerID = players.get( uuid );
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if( maybePlayerID != null && maybePlayerID.isIntValue() )
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{
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return maybePlayerID.getInt();
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}
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else
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{
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final int newPlayerID = this.nextPlayer();
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final Property newPlayer = new Property( uuid, String.valueOf( newPlayerID ), Property.Type.INTEGER );
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players.put( uuid, newPlayer );
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this.playerMapping.put( newPlayerID, profile.getId() ); // add to reverse map
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this.config.save();
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return newPlayerID;
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}
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}
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private int nextPlayer()
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{
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final int r = this.lastPlayerID;
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this.lastPlayerID++;
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this.config.get( LAST_PLAYER_CATEGORY, LAST_PLAYER_KEY, this.lastPlayerID ).set( this.lastPlayerID );
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return r;
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}
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@Override
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public void onWorldStart()
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{
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this.lastPlayerID = this.config.get( LAST_PLAYER_CATEGORY, LAST_PLAYER_KEY, LAST_PLAYER_DEFAULT ).getInt( LAST_PLAYER_DEFAULT );
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this.config.save();
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}
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@Override
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public void onWorldStop()
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{
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this.config.save();
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this.lastPlayerID = 0;
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}
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}
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