Initial Fluid Integration (#3510)
* Added Fluid Storage Cells * Added Fluid Import Bus * Added Fluid Export Bus * Added Fluid Storage Bus * Added Fluid Terminal. While holding a item with the FLUID_HANDLER_ITEM_CAPABILITY, such as a tank Left click on a fluid to extract the fluid Right click to insert the fluid
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Brock
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/*
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* This file is part of Applied Energistics 2.
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* Copyright (c) 2013 - 2018, 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.fluids.parts;
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import java.util.ArrayList;
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import java.util.Arrays;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.List;
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import java.util.Map;
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import net.minecraftforge.fluids.FluidStack;
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import net.minecraftforge.fluids.capability.IFluidHandler;
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import net.minecraftforge.fluids.capability.IFluidTankProperties;
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import appeng.api.AEApi;
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import appeng.api.config.Actionable;
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import appeng.api.networking.security.IActionSource;
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import appeng.api.networking.storage.IBaseMonitor;
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import appeng.api.networking.ticking.TickRateModulation;
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import appeng.api.storage.IMEInventory;
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import appeng.api.storage.IMEMonitorHandlerReceiver;
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import appeng.api.storage.IStorageChannel;
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import appeng.api.storage.channels.IFluidStorageChannel;
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import appeng.api.storage.data.IAEFluidStack;
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import appeng.api.storage.data.IItemList;
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import appeng.me.GridAccessException;
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import appeng.me.helpers.IGridProxyable;
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import appeng.me.storage.ITickingMonitor;
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import appeng.util.item.AEFluidStack;
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/**
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* Wraps an Fluid Handler in such a way that it can be used as an IMEInventory for fluids.
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*
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* @author BrockWS
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* @version rv6 - 22/05/2018
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* @since rv6 22/05/2018
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*/
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public class FluidHandlerAdapter implements IMEInventory<IAEFluidStack>, IBaseMonitor<IAEFluidStack>, ITickingMonitor
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{
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private final Map<IMEMonitorHandlerReceiver<IAEFluidStack>, Object> listeners = new HashMap<>();
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private IActionSource source;
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private final IFluidHandler fluidHandler;
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private final IGridProxyable proxyable;
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private final FluidHandlerAdapter.InventoryCache cache;
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FluidHandlerAdapter( IFluidHandler fluidHandler, IGridProxyable proxy )
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{
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this.fluidHandler = fluidHandler;
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this.proxyable = proxy;
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this.cache = new FluidHandlerAdapter.InventoryCache( this.fluidHandler );
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}
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@Override
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public IAEFluidStack injectItems( IAEFluidStack input, Actionable type, IActionSource src )
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{
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FluidStack fluidStack = input.getFluidStack();
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// Insert
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int wasFillled = this.fluidHandler.fill( fluidStack, type != Actionable.SIMULATE );
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int remaining = fluidStack.amount - wasFillled;
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if( fluidStack.amount == remaining )
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{
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// The stack was unmodified, target tank is full
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return input;
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}
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if( type == Actionable.MODULATE )
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{
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try
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{
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this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
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}
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catch( GridAccessException ignore )
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{
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// meh
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}
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}
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fluidStack.amount = remaining;
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return AEFluidStack.fromFluidStack( fluidStack );
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}
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@Override
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public IAEFluidStack extractItems( IAEFluidStack request, Actionable mode, IActionSource src )
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{
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FluidStack requestedFluidStack = request.getFluidStack();
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final boolean doDrain = ( mode == Actionable.MODULATE );
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// Drain the fluid from the tank
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FluidStack gathered = this.fluidHandler.drain( requestedFluidStack, doDrain );
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if( gathered == null )
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{
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// If nothing was pulled from the tank, return null
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return null;
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}
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if( mode == Actionable.MODULATE )
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{
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try
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{
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this.proxyable.getProxy().getTick().alertDevice( this.proxyable.getProxy().getNode() );
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}
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catch( GridAccessException ignore )
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{
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// meh
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}
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}
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return AEFluidStack.fromFluidStack( gathered );
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}
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@Override
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public TickRateModulation onTick()
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{
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List<IAEFluidStack> changes = this.cache.update();
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if( !changes.isEmpty() )
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{
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this.postDifference( changes );
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return TickRateModulation.URGENT;
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}
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else
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{
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return TickRateModulation.SLOWER;
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}
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}
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@Override
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public IItemList<IAEFluidStack> getAvailableItems( IItemList<IAEFluidStack> out )
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{
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return this.cache.getAvailableItems( out );
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}
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@Override
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public IStorageChannel<IAEFluidStack> getChannel()
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{
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return AEApi.instance().storage().getStorageChannel( IFluidStorageChannel.class );
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}
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@Override
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public void setActionSource( IActionSource source )
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{
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this.source = source;
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}
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@Override
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public void addListener( final IMEMonitorHandlerReceiver<IAEFluidStack> l, final Object verificationToken )
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{
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this.listeners.put( l, verificationToken );
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}
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@Override
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public void removeListener( final IMEMonitorHandlerReceiver<IAEFluidStack> l )
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{
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this.listeners.remove( l );
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}
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private void postDifference( Iterable<IAEFluidStack> a )
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{
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final Iterator<Map.Entry<IMEMonitorHandlerReceiver<IAEFluidStack>, Object>> i = this.listeners.entrySet().iterator();
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while( i.hasNext() )
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{
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final Map.Entry<IMEMonitorHandlerReceiver<IAEFluidStack>, Object> l = i.next();
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final IMEMonitorHandlerReceiver<IAEFluidStack> key = l.getKey();
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if( key.isValid( l.getValue() ) )
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{
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key.postChange( this, a, this.source );
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}
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else
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{
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i.remove();
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}
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}
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}
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private static class InventoryCache
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{
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private IAEFluidStack[] cachedAeStacks = new IAEFluidStack[0];
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private final IFluidHandler fluidHandler;
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public InventoryCache( IFluidHandler fluidHandler )
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{
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this.fluidHandler = fluidHandler;
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}
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public List<IAEFluidStack> update()
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{
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final List<IAEFluidStack> changes = new ArrayList<>();
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final IFluidTankProperties[] tankProperties = this.fluidHandler.getTankProperties();
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final int slots = tankProperties.length;
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// Make room for new slots
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if( slots > this.cachedAeStacks.length )
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{
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this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
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}
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for( int slot = 0; slot < slots; slot++ )
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{
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// Save the old stuff
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final IAEFluidStack oldAEFS = this.cachedAeStacks[slot];
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final FluidStack newFS = tankProperties[slot].getContents();
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this.handlePossibleSlotChanges( slot, oldAEFS, newFS, changes );
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}
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// Handle cases where the number of slots actually is lower now than before
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if( slots < this.cachedAeStacks.length )
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{
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for( int slot = slots; slot < this.cachedAeStacks.length; slot++ )
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{
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final IAEFluidStack aeStack = this.cachedAeStacks[slot];
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if( aeStack != null )
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{
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final IAEFluidStack a = aeStack.copy();
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a.setStackSize( -a.getStackSize() );
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changes.add( a );
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}
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}
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this.cachedAeStacks = Arrays.copyOf( this.cachedAeStacks, slots );
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}
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return changes;
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}
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public IItemList<IAEFluidStack> getAvailableItems( IItemList<IAEFluidStack> out )
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{
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Arrays.stream( this.cachedAeStacks ).forEach( out::add );
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return out;
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}
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private void handlePossibleSlotChanges( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
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{
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if( oldAeFS != null && oldAeFS.getFluidStack().isFluidEqual( newFS ) )
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{
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this.handleStackSizeChanged( slot, oldAeFS, newFS, changes );
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}
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else
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{
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this.handleFluidChanged( slot, oldAeFS, newFS, changes );
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}
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}
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private void handleStackSizeChanged( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
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{
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// Still the same fluid, but amount might have changed
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final long diff = newFS.amount - oldAeFS.getStackSize();
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if( diff != 0 )
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{
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final IAEFluidStack stack = oldAeFS.copy();
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stack.setStackSize( newFS.amount );
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this.cachedAeStacks[slot] = stack;
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final IAEFluidStack a = stack.copy();
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a.setStackSize( diff );
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changes.add( a );
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}
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}
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private void handleFluidChanged( int slot, IAEFluidStack oldAeFS, FluidStack newFS, List<IAEFluidStack> changes )
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{
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// Completely different fluid
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this.cachedAeStacks[slot] = AEFluidStack.fromFluidStack( newFS );
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// If we had a stack previously in this slot, notify the network about its disappearance
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if( oldAeFS != null )
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{
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oldAeFS.setStackSize( -oldAeFS.getStackSize() );
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changes.add( oldAeFS );
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}
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// Notify the network about the new stack. Note that this is null if newFS was null
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if( this.cachedAeStacks[slot] != null )
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{
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changes.add( this.cachedAeStacks[slot] );
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}
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}
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}
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}
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