The Great Renamening of 2020
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Sebastian Hartte
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/*
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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.parts.p2p;
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import java.util.ArrayDeque;
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import java.util.ArrayList;
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import java.util.Deque;
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import java.util.Iterator;
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import java.util.List;
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import javax.annotation.Nonnull;
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import net.minecraft.fluid.Fluid;
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import net.minecraft.item.ItemStack;
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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.IBlockReader;
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import net.minecraftforge.common.capabilities.Capability;
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import net.minecraftforge.common.util.LazyOptional;
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import net.minecraftforge.fluids.FluidStack;
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import net.minecraftforge.fluids.capability.CapabilityFluidHandler;
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import net.minecraftforge.fluids.capability.IFluidHandler;
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import appeng.api.parts.IPartModel;
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import appeng.items.parts.PartModels;
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import appeng.me.GridAccessException;
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public class FluidP2PTunnelPart extends P2PTunnelPart<FluidP2PTunnelPart> implements IFluidHandler {
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private static final P2PModels MODELS = new P2PModels("part/p2p/p2p_tunnel_fluids");
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private static final ThreadLocal<Deque<FluidP2PTunnelPart>> DEPTH = new ThreadLocal<>();;
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private LazyOptional<IFluidHandler> cachedTank;
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private int tmpUsed;
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public FluidP2PTunnelPart(final ItemStack is) {
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super(is);
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}
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@PartModels
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public static List<IPartModel> getModels() {
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return MODELS.getModels();
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}
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public float getPowerDrainPerTick() {
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return 2.0f;
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}
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@Override
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public void onTunnelNetworkChange() {
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this.cachedTank = null;
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}
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@Override
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public void onNeighborChanged(IBlockReader w, BlockPos pos, BlockPos neighbor) {
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this.cachedTank = null;
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if (this.isOutput()) {
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final FluidP2PTunnelPart in = this.getInput();
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if (in != null) {
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in.onTunnelNetworkChange();
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}
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}
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}
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@SuppressWarnings("unchecked")
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@Override
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public <T> LazyOptional<T> getCapability(Capability<T> capabilityClass) {
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if (capabilityClass == CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY) {
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return (LazyOptional<T>) LazyOptional.of(() -> this);
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}
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return super.getCapability(capabilityClass);
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}
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@Override
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public IPartModel getStaticModels() {
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return MODELS.getModel(this.isPowered(), this.isActive());
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}
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@Override
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public int getTanks() {
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return 0;
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}
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@Override
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@Nonnull
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public FluidStack getFluidInTank(int tank) {
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return FluidStack.EMPTY;
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}
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@Override
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public int getTankCapacity(int tank) {
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return 1000;
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}
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@Override
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public boolean isFluidValid(int tank, @Nonnull FluidStack stack) {
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return false;
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}
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@Override
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public int fill(FluidStack resource, FluidAction action) {
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final Deque<FluidP2PTunnelPart> stack = this.getDepth();
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for (final FluidP2PTunnelPart t : stack) {
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if (t == this) {
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return 0;
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}
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}
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stack.push(this);
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final List<FluidP2PTunnelPart> list = this.getOutputs(resource.getFluid());
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int requestTotal = 0;
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Iterator<FluidP2PTunnelPart> i = list.iterator();
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while (i.hasNext()) {
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final FluidP2PTunnelPart l = i.next();
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final IFluidHandler tank = l.getTarget().orElse(null);
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if (tank != null) {
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l.tmpUsed = tank.fill(resource.copy(), FluidAction.SIMULATE);
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} else {
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l.tmpUsed = 0;
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}
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if (l.tmpUsed <= 0) {
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i.remove();
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} else {
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requestTotal += l.tmpUsed;
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}
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}
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if (requestTotal <= 0) {
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if (stack.pop() != this) {
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throw new IllegalStateException("Invalid Recursion detected.");
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}
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return 0;
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}
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if (action == FluidAction.EXECUTE) {
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if (stack.pop() != this) {
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throw new IllegalStateException("Invalid Recursion detected.");
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}
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return Math.min(resource.getAmount(), requestTotal);
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}
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int available = resource.getAmount();
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i = list.iterator();
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int used = 0;
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while (i.hasNext() && available > 0) {
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final FluidP2PTunnelPart l = i.next();
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final FluidStack insert = resource.copy();
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insert.setAmount((int) Math.ceil(insert.getAmount() * ((double) l.tmpUsed / (double) requestTotal)));
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if (insert.getAmount() > available) {
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insert.setAmount(available);
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}
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final IFluidHandler tank = l.getTarget().orElse(null);
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if (tank != null) {
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l.tmpUsed = tank.fill(insert.copy(), action);
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} else {
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l.tmpUsed = 0;
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}
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available -= insert.getAmount();
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used += l.tmpUsed;
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}
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if (stack.pop() != this) {
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throw new IllegalStateException("Invalid Recursion detected.");
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}
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return used;
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}
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@Override
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@Nonnull
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public FluidStack drain(FluidStack resource, FluidAction action) {
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return FluidStack.EMPTY;
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}
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@Override
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@Nonnull
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public FluidStack drain(int maxDrain, FluidAction action) {
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return FluidStack.EMPTY;
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}
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private Deque<FluidP2PTunnelPart> getDepth() {
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Deque<FluidP2PTunnelPart> s = DEPTH.get();
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if (s == null) {
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DEPTH.set(s = new ArrayDeque<>());
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}
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return s;
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}
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private List<FluidP2PTunnelPart> getOutputs(final Fluid input) {
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final List<FluidP2PTunnelPart> outs = new ArrayList<>();
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try {
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for (final FluidP2PTunnelPart l : this.getOutputs()) {
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final IFluidHandler handler = l.getTarget().orElse(null);
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if (handler != null) {
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outs.add(l);
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}
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}
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} catch (final GridAccessException e) {
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// :P
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}
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return outs;
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}
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private LazyOptional<IFluidHandler> getTarget() {
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if (!this.getProxy().isActive()) {
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return null;
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}
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if (this.cachedTank != null) {
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return this.cachedTank;
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}
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final TileEntity te = this.getTile().getWorld()
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.getTileEntity(this.getTile().getPos().offset(this.getSide().getFacing()));
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if (te != null && te.getCapability(CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY,
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this.getSide().getFacing().getOpposite()).isPresent()) {
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return this.cachedTank = te.getCapability(CapabilityFluidHandler.FLUID_HANDLER_CAPABILITY,
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this.getSide().getFacing().getOpposite());
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}
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return null;
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}
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}
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