160 lines
4.9 KiB
Java
160 lines
4.9 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.integration.modules.waila.part;
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import java.util.List;
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import net.minecraft.entity.player.EntityPlayerMP;
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import net.minecraft.nbt.NBTTagCompound;
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import net.minecraft.tileentity.TileEntity;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.world.World;
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import gnu.trove.map.TObjectByteMap;
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import gnu.trove.map.hash.TObjectByteHashMap;
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import mcp.mobius.waila.api.IWailaConfigHandler;
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import mcp.mobius.waila.api.IWailaDataAccessor;
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import appeng.api.parts.IPart;
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import appeng.core.localization.WailaText;
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import appeng.parts.networking.PartCableSmart;
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import appeng.parts.networking.PartDenseCable;
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/**
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* Channel-information provider for WAILA
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*
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* @author thatsIch
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* @version rv2
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* @since rv2
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*/
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public final class ChannelWailaDataProvider extends BasePartWailaDataProvider
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{
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/**
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* Channel key used for the transferred {@link net.minecraft.nbt.NBTTagCompound}
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*/
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private static final String ID_USED_CHANNELS = "usedChannels";
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/**
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* Used cache for channels if the channel was not transmitted through the server.
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* <p/>
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* This is useful, when a player just started to look at a tile and thus just requested the new information from the
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* server.
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* <p/>
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* The cache will be updated from the server.
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*/
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private final TObjectByteMap<IPart> cache = new TObjectByteHashMap<IPart>();
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/**
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* Adds the used and max channel to the tool tip
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*
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* @param part being looked at part
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* @param currentToolTip current tool tip
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* @param accessor wrapper for various world information
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* @param config config to react to various settings
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*
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* @return modified tool tip
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*/
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@Override
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public List<String> getWailaBody( final IPart part, final List<String> currentToolTip, final IWailaDataAccessor accessor, final IWailaConfigHandler config )
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{
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if( part instanceof PartCableSmart || part instanceof PartDenseCable )
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{
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final NBTTagCompound tag = accessor.getNBTData();
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final byte usedChannels = this.getUsedChannels( part, tag, this.cache );
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final byte maxChannels = (byte) ( ( part instanceof PartDenseCable ) ? 32 : 8 );
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final String formattedToolTip = String.format( WailaText.Channels.getLocal(), usedChannels, maxChannels );
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currentToolTip.add( formattedToolTip );
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}
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return currentToolTip;
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}
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/**
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* Determines the source of the channel.
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* <p/>
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* If the client received information of the channels on the server, they are used, else if the cache contains a
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* previous stored value, this will be used. Default value is 0.
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*
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* @param part part to be looked at
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* @param tag tag maybe containing the channel information
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* @param cache cache with previous knowledge
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*
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* @return used channels on the cable
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*/
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private byte getUsedChannels( final IPart part, final NBTTagCompound tag, final TObjectByteMap<IPart> cache )
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{
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final byte usedChannels;
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if( tag.hasKey( ID_USED_CHANNELS ) )
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{
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usedChannels = tag.getByte( ID_USED_CHANNELS );
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this.cache.put( part, usedChannels );
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}
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else if( this.cache.containsKey( part ) )
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{
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usedChannels = this.cache.get( part );
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}
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else
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{
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usedChannels = 0;
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}
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return usedChannels;
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}
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/**
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* Called on server to transfer information from server to client.
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* <p/>
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* If the part is a cable, it writes the channel information in the {@code #tag} using the {@code ID_USED_CHANNELS}
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* key.
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*
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* @param player player looking at the part
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* @param part part being looked at
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* @param te host of the part
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* @param tag transferred tag which is send to the client
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* @param world world of the part
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* @param pos pos of the part
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*
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* @return tag send to the client
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*/
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@Override
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public NBTTagCompound getNBTData( EntityPlayerMP player, IPart part, TileEntity te, NBTTagCompound tag, World world, BlockPos pos )
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{
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if( part instanceof PartCableSmart || part instanceof PartDenseCable )
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{
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final NBTTagCompound tempTag = new NBTTagCompound();
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part.writeToNBT( tempTag );
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if( tempTag.hasKey( ID_USED_CHANNELS ) )
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{
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final byte usedChannels = tempTag.getByte( ID_USED_CHANNELS );
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tag.setByte( ID_USED_CHANNELS, usedChannels );
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}
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}
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return tag;
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}
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}
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