mirror of
https://github.com/Ellpeck/PrettyPipes.git
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525 lines
23 KiB
Java
525 lines
23 KiB
Java
package de.ellpeck.prettypipes.network;
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import com.google.common.collect.ArrayListMultimap;
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import com.google.common.collect.ListMultimap;
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import com.google.common.collect.Streams;
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import de.ellpeck.prettypipes.PrettyPipes;
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import de.ellpeck.prettypipes.Registry;
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import de.ellpeck.prettypipes.Utility;
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import de.ellpeck.prettypipes.misc.ItemEquality;
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import de.ellpeck.prettypipes.packets.PacketHandler;
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import de.ellpeck.prettypipes.packets.PacketItemEnterPipe;
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import de.ellpeck.prettypipes.pipe.IPipeItem;
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import de.ellpeck.prettypipes.pipe.PipeBlock;
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import de.ellpeck.prettypipes.pipe.PipeTileEntity;
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import net.minecraft.block.BlockState;
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import net.minecraft.item.ItemStack;
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import net.minecraft.nbt.CompoundNBT;
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import net.minecraft.nbt.ListNBT;
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import net.minecraft.nbt.NBTUtil;
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import net.minecraft.util.Direction;
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import net.minecraft.util.math.BlockPos;
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import net.minecraft.world.World;
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import net.minecraftforge.common.capabilities.Capability;
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import net.minecraftforge.common.capabilities.ICapabilitySerializable;
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import net.minecraftforge.common.util.Constants.NBT;
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import net.minecraftforge.common.util.LazyOptional;
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import net.minecraftforge.items.IItemHandler;
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import org.apache.commons.lang3.tuple.Pair;
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import org.jgrapht.GraphPath;
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import org.jgrapht.ListenableGraph;
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import org.jgrapht.alg.interfaces.ShortestPathAlgorithm;
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import org.jgrapht.alg.shortestpath.DijkstraShortestPath;
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import org.jgrapht.event.GraphEdgeChangeEvent;
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import org.jgrapht.event.GraphListener;
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import org.jgrapht.event.GraphVertexChangeEvent;
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import org.jgrapht.graph.DefaultListenableGraph;
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import org.jgrapht.graph.SimpleWeightedGraph;
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import org.jgrapht.traverse.BreadthFirstIterator;
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import javax.annotation.Nonnull;
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import javax.annotation.Nullable;
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import java.util.*;
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import java.util.function.BiFunction;
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import java.util.function.Consumer;
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import java.util.function.Function;
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import java.util.stream.Collectors;
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import java.util.stream.Stream;
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public class PipeNetwork implements ICapabilitySerializable<CompoundNBT>, GraphListener<BlockPos, NetworkEdge> {
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public final ListenableGraph<BlockPos, NetworkEdge> graph;
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private final DijkstraShortestPath<BlockPos, NetworkEdge> dijkstra;
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private final Map<BlockPos, List<BlockPos>> nodeToConnectedNodes = new HashMap<>();
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private final Map<BlockPos, PipeTileEntity> tileCache = new HashMap<>();
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private final ListMultimap<BlockPos, IPipeItem> pipeItems = ArrayListMultimap.create();
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private final ListMultimap<BlockPos, NetworkLock> networkLocks = ArrayListMultimap.create();
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private final World world;
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private final LazyOptional<PipeNetwork> lazyThis = LazyOptional.of(() -> this);
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public PipeNetwork(World world) {
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this.world = world;
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this.graph = new DefaultListenableGraph<>(new SimpleWeightedGraph<>(NetworkEdge.class));
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this.graph.addGraphListener(this);
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this.dijkstra = new DijkstraShortestPath<>(this.graph);
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}
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@Nonnull
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@Override
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public <T> LazyOptional<T> getCapability(@Nonnull Capability<T> cap, @Nullable Direction side) {
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return cap == Registry.pipeNetworkCapability ? this.lazyThis.cast() : LazyOptional.empty();
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}
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@Override
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public CompoundNBT serializeNBT() {
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CompoundNBT nbt = new CompoundNBT();
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ListNBT nodes = new ListNBT();
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for (BlockPos node : this.graph.vertexSet())
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nodes.add(NBTUtil.writeBlockPos(node));
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nbt.put("nodes", nodes);
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ListNBT edges = new ListNBT();
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for (NetworkEdge edge : this.graph.edgeSet())
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edges.add(edge.serializeNBT());
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nbt.put("edges", edges);
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nbt.put("items", Utility.serializeAll(this.pipeItems.values()));
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nbt.put("locks", Utility.serializeAll(this.networkLocks.values()));
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return nbt;
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}
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@Override
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public void deserializeNBT(CompoundNBT nbt) {
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this.graph.removeAllVertices(new ArrayList<>(this.graph.vertexSet()));
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this.pipeItems.clear();
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this.networkLocks.clear();
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ListNBT nodes = nbt.getList("nodes", NBT.TAG_COMPOUND);
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for (int i = 0; i < nodes.size(); i++)
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this.graph.addVertex(NBTUtil.readBlockPos(nodes.getCompound(i)));
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ListNBT edges = nbt.getList("edges", NBT.TAG_COMPOUND);
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for (int i = 0; i < edges.size(); i++)
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this.addEdge(new NetworkEdge(edges.getCompound(i)));
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for (IPipeItem item : Utility.deserializeAll(nbt.getList("items", NBT.TAG_COMPOUND), IPipeItem::load))
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this.pipeItems.put(item.getCurrentPipe(), item);
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for (NetworkLock lock : Utility.deserializeAll(nbt.getList("locks", NBT.TAG_COMPOUND), NetworkLock::new))
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this.createNetworkLock(lock);
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}
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public void addNode(BlockPos pos, BlockState state) {
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if (!this.isNode(pos)) {
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this.graph.addVertex(pos);
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this.refreshNode(pos, state);
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}
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}
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public void removeNode(BlockPos pos) {
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if (this.isNode(pos))
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this.graph.removeVertex(pos);
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}
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public boolean isNode(BlockPos pos) {
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return this.graph.containsVertex(pos);
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}
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public void onPipeChanged(BlockPos pos, BlockState state) {
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List<NetworkEdge> neighbors = this.createAllEdges(pos, state, true);
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// if we only have one neighbor, then there can't be any new connections
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if (neighbors.size() <= 1 && !this.isNode(pos))
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return;
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for (NetworkEdge edge : neighbors) {
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BlockPos end = edge.getEndPipe();
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this.refreshNode(end, this.world.getBlockState(end));
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}
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}
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public ItemStack routeItem(BlockPos startPipePos, BlockPos startInventory, ItemStack stack, boolean preventOversending) {
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return this.routeItem(startPipePos, startInventory, stack, PipeItem::new, preventOversending);
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}
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public ItemStack routeItem(BlockPos startPipePos, BlockPos startInventory, ItemStack stack, BiFunction<ItemStack, Float, IPipeItem> itemSupplier, boolean preventOversending) {
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if (!this.isNode(startPipePos))
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return stack;
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if (!this.world.isBlockLoaded(startPipePos))
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return stack;
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PipeTileEntity startPipe = this.getPipe(startPipePos);
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if (startPipe == null)
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return stack;
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this.startProfile("find_destination");
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List<BlockPos> nodes = this.getOrderedNetworkNodes(startPipePos);
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for (int i = 0; i < nodes.size(); i++) {
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BlockPos pipePos = nodes.get(startPipe.getNextNode(nodes, i));
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if (!this.world.isBlockLoaded(pipePos))
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continue;
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PipeTileEntity pipe = this.getPipe(pipePos);
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Pair<BlockPos, ItemStack> dest = pipe.getAvailableDestination(stack, false, preventOversending);
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if (dest == null || dest.getLeft().equals(startInventory))
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continue;
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Function<Float, IPipeItem> sup = speed -> itemSupplier.apply(dest.getRight(), speed);
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if (this.routeItemToLocation(startPipePos, startInventory, pipe.getPos(), dest.getLeft(), dest.getRight(), sup)) {
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ItemStack remain = stack.copy();
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remain.shrink(dest.getRight().getCount());
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this.endProfile();
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return remain;
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}
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}
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this.endProfile();
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return stack;
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}
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public boolean routeItemToLocation(BlockPos startPipePos, BlockPos startInventory, BlockPos destPipePos, BlockPos destInventory, ItemStack stack, Function<Float, IPipeItem> itemSupplier) {
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if (!this.isNode(startPipePos) || !this.isNode(destPipePos))
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return false;
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if (!this.world.isBlockLoaded(startPipePos) || !this.world.isBlockLoaded(destPipePos))
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return false;
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PipeTileEntity startPipe = this.getPipe(startPipePos);
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if (startPipe == null)
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return false;
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this.startProfile("get_path");
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GraphPath<BlockPos, NetworkEdge> path = this.dijkstra.getPath(startPipePos, destPipePos);
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this.endProfile();
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if (path == null)
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return false;
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IPipeItem item = itemSupplier.apply(startPipe.getItemSpeed(stack));
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item.setDestination(startInventory, destInventory, path);
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startPipe.addNewItem(item);
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PacketHandler.sendToAllLoaded(this.world, startPipePos, new PacketItemEnterPipe(startPipePos, item));
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return true;
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}
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public ItemStack requestItem(BlockPos destPipe, BlockPos destInventory, ItemStack stack, ItemEquality... equalityTypes) {
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ItemStack remain = stack.copy();
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// check existing items
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for (NetworkLocation location : this.getOrderedNetworkItems(destPipe)) {
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remain = this.requestExistingItem(location, destPipe, destInventory, null, remain, equalityTypes);
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if (remain.isEmpty())
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return remain;
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}
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// check craftable items
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return this.requestCraftedItem(destPipe, null, remain, new Stack<>(), equalityTypes);
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}
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public ItemStack requestCraftedItem(BlockPos destPipe, Consumer<ItemStack> unavailableConsumer, ItemStack stack, Stack<ItemStack> dependencyChain, ItemEquality... equalityTypes) {
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for (Pair<BlockPos, ItemStack> craftable : this.getAllCraftables(destPipe)) {
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if (!ItemEquality.compareItems(stack, craftable.getRight(), equalityTypes))
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continue;
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PipeTileEntity pipe = this.getPipe(craftable.getLeft());
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if (pipe == null)
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continue;
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stack = pipe.craft(destPipe, unavailableConsumer, stack, dependencyChain);
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if (stack.isEmpty())
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break;
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}
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return stack;
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}
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public ItemStack requestExistingItem(NetworkLocation location, BlockPos destPipe, BlockPos destInventory, NetworkLock ignoredLock, ItemStack stack, ItemEquality... equalityTypes) {
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return this.requestExistingItem(location, destPipe, destInventory, ignoredLock, PipeItem::new, stack, equalityTypes);
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}
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public ItemStack requestExistingItem(NetworkLocation location, BlockPos destPipe, BlockPos destInventory, NetworkLock ignoredLock, BiFunction<ItemStack, Float, IPipeItem> itemSupplier, ItemStack stack, ItemEquality... equalityTypes) {
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if (location.getPos().equals(destInventory))
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return stack;
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// make sure we don't pull any locked items
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int amount = location.getItemAmount(this.world, stack, equalityTypes);
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if (amount <= 0)
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return stack;
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amount -= this.getLockedAmount(location.getPos(), stack, ignoredLock, equalityTypes);
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if (amount <= 0)
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return stack;
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ItemStack remain = stack.copy();
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// make sure we only extract less than or equal to the requested amount
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if (remain.getCount() < amount)
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amount = remain.getCount();
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remain.shrink(amount);
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for (int slot : location.getStackSlots(this.world, stack, equalityTypes)) {
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// try to extract from that location's inventory and send the item
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IItemHandler handler = location.getItemHandler(this.world);
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ItemStack extracted = handler.extractItem(slot, amount, true);
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if (this.routeItemToLocation(location.pipePos, location.getPos(), destPipe, destInventory, extracted, speed -> itemSupplier.apply(extracted, speed))) {
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handler.extractItem(slot, extracted.getCount(), false);
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amount -= extracted.getCount();
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if (amount <= 0)
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break;
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}
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}
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return remain;
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}
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public PipeTileEntity getPipe(BlockPos pos) {
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PipeTileEntity tile = this.tileCache.get(pos);
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if (tile == null || tile.isRemoved()) {
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tile = Utility.getTileEntity(PipeTileEntity.class, this.world, pos);
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this.tileCache.put(pos, tile);
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}
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return tile;
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}
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public void uncachePipe(BlockPos pos) {
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this.tileCache.remove(pos);
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}
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public List<Pair<BlockPos, ItemStack>> getCurrentlyCrafting(BlockPos node, ItemEquality... equalityTypes) {
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this.startProfile("get_currently_crafting");
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List<Pair<BlockPos, ItemStack>> items = new ArrayList<>();
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Iterator<PipeTileEntity> craftingPipes = this.getAllCraftables(node).stream().map(c -> this.getPipe(c.getLeft())).distinct().iterator();
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while (craftingPipes.hasNext()) {
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PipeTileEntity pipe = craftingPipes.next();
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for (Pair<BlockPos, ItemStack> request : pipe.craftResultRequests) {
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BlockPos dest = request.getLeft();
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ItemStack stack = request.getRight();
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// add up all the items that should go to the same location
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Optional<Pair<BlockPos, ItemStack>> existing = items.stream()
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.filter(s -> s.getLeft().equals(dest) && ItemEquality.compareItems(s.getRight(), stack, equalityTypes))
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.findFirst();
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if (existing.isPresent()) {
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existing.get().getRight().grow(stack.getCount());
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} else {
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items.add(Pair.of(dest, stack.copy()));
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}
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}
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}
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this.endProfile();
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return items;
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}
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public int getCurrentlyCraftingAmount(BlockPos destNode, ItemStack stack, ItemEquality... equalityTypes) {
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return this.getCurrentlyCrafting(destNode).stream()
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.filter(p -> p.getLeft().equals(destNode) && ItemEquality.compareItems(p.getRight(), stack, equalityTypes))
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.mapToInt(p -> p.getRight().getCount()).sum();
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}
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public List<Pair<BlockPos, ItemStack>> getAllCraftables(BlockPos node) {
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if (!this.isNode(node))
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return Collections.emptyList();
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this.startProfile("get_all_craftables");
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List<Pair<BlockPos, ItemStack>> craftables = new ArrayList<>();
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for (BlockPos dest : this.getOrderedNetworkNodes(node)) {
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if (!this.world.isBlockLoaded(dest))
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continue;
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PipeTileEntity pipe = this.getPipe(dest);
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for (ItemStack stack : pipe.getAllCraftables())
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craftables.add(Pair.of(pipe.getPos(), stack));
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}
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this.endProfile();
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return craftables;
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}
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public int getCraftableAmount(BlockPos node, Consumer<ItemStack> unavailableConsumer, ItemStack stack, Stack<ItemStack> dependencyChain, ItemEquality... equalityTypes) {
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int total = 0;
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for (Pair<BlockPos, ItemStack> pair : this.getAllCraftables(node)) {
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if (!ItemEquality.compareItems(pair.getRight(), stack, equalityTypes))
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continue;
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if (!this.world.isBlockLoaded(pair.getLeft()))
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continue;
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PipeTileEntity pipe = this.getPipe(pair.getLeft());
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if (pipe != null)
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total += pipe.getCraftableAmount(unavailableConsumer, stack, dependencyChain);
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}
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return total;
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}
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public List<NetworkLocation> getOrderedNetworkItems(BlockPos node) {
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if (!this.isNode(node))
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return Collections.emptyList();
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this.startProfile("get_network_items");
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List<NetworkLocation> info = new ArrayList<>();
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for (BlockPos dest : this.getOrderedNetworkNodes(node)) {
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if (!this.world.isBlockLoaded(dest))
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continue;
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PipeTileEntity pipe = this.getPipe(dest);
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if (!pipe.canNetworkSee())
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continue;
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for (Direction dir : Direction.values()) {
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IItemHandler handler = pipe.getItemHandler(dir);
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if (handler == null)
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continue;
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// check if this handler already exists (double-connected pipes, double chests etc.)
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if (info.stream().anyMatch(l -> handler.equals(l.getItemHandler(this.world))))
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continue;
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NetworkLocation location = new NetworkLocation(dest, dir);
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if (!location.isEmpty(this.world))
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info.add(location);
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}
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}
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this.endProfile();
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return info;
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}
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public void createNetworkLock(NetworkLock lock) {
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this.networkLocks.put(lock.location.getPos(), lock);
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}
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public void resolveNetworkLock(NetworkLock lock) {
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this.networkLocks.remove(lock.location.getPos(), lock);
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}
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public List<NetworkLock> getNetworkLocks(BlockPos pos) {
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return this.networkLocks.get(pos);
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}
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public int getLockedAmount(BlockPos pos, ItemStack stack, NetworkLock ignoredLock, ItemEquality... equalityTypes) {
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return this.getNetworkLocks(pos).stream()
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.filter(l -> !l.equals(ignoredLock) && ItemEquality.compareItems(l.stack, stack, equalityTypes))
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.mapToInt(l -> l.stack.getCount()).sum();
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}
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private void refreshNode(BlockPos pos, BlockState state) {
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this.startProfile("refresh_node");
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this.graph.removeAllEdges(new ArrayList<>(this.graph.edgesOf(pos)));
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for (NetworkEdge edge : this.createAllEdges(pos, state, false))
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this.addEdge(edge);
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this.endProfile();
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}
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private void addEdge(NetworkEdge edge) {
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this.graph.addEdge(edge.getStartPipe(), edge.getEndPipe(), edge);
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// only use size - 1 so that nodes aren't counted twice for multi-edge paths
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this.graph.setEdgeWeight(edge, edge.pipes.size() - 1);
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}
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public BlockPos getNodeFromPipe(BlockPos pos) {
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if (this.isNode(pos))
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return pos;
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BlockState state = this.world.getBlockState(pos);
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if (!(state.getBlock() instanceof PipeBlock))
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return null;
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for (Direction dir : Direction.values()) {
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NetworkEdge edge = this.createEdge(pos, state, dir, false);
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if (edge != null)
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return edge.getEndPipe();
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}
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return null;
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}
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private List<NetworkEdge> createAllEdges(BlockPos pos, BlockState state, boolean ignoreCurrBlocked) {
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this.startProfile("create_all_edges");
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List<NetworkEdge> edges = new ArrayList<>();
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for (Direction dir : Direction.values()) {
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NetworkEdge edge = this.createEdge(pos, state, dir, ignoreCurrBlocked);
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if (edge != null)
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edges.add(edge);
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}
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this.endProfile();
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return edges;
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}
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private NetworkEdge createEdge(BlockPos pos, BlockState state, Direction dir, boolean ignoreCurrBlocked) {
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if (!ignoreCurrBlocked && !state.get(PipeBlock.DIRECTIONS.get(dir)).isConnected())
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return null;
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BlockPos currPos = pos.offset(dir);
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BlockState currState = this.world.getBlockState(currPos);
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if (!(currState.getBlock() instanceof PipeBlock))
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return null;
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this.startProfile("create_edge");
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NetworkEdge edge = new NetworkEdge();
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edge.pipes.add(pos);
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edge.pipes.add(currPos);
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while (true) {
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// if we found a vertex, we can stop since that's the next node
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// we do this here since the first offset pipe also needs to check this
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if (this.isNode(currPos)) {
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this.endProfile();
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return edge;
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}
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boolean found = false;
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for (Direction nextDir : Direction.values()) {
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if (!currState.get(PipeBlock.DIRECTIONS.get(nextDir)).isConnected())
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continue;
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BlockPos offset = currPos.offset(nextDir);
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BlockState offState = this.world.getBlockState(offset);
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if (!(offState.getBlock() instanceof PipeBlock))
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continue;
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if (edge.pipes.contains(offset))
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continue;
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edge.pipes.add(offset);
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|
currPos = offset;
|
|
currState = offState;
|
|
found = true;
|
|
break;
|
|
}
|
|
if (!found)
|
|
break;
|
|
}
|
|
this.endProfile();
|
|
return null;
|
|
}
|
|
|
|
public List<BlockPos> getOrderedNetworkNodes(BlockPos node) {
|
|
if (!this.isNode(node))
|
|
return Collections.emptyList();
|
|
List<BlockPos> ret = this.nodeToConnectedNodes.get(node);
|
|
if (ret == null) {
|
|
this.startProfile("compile_connected_nodes");
|
|
ShortestPathAlgorithm.SingleSourcePaths<BlockPos, NetworkEdge> paths = this.dijkstra.getPaths(node);
|
|
// sort destinations first by their priority (eg trash pipes should be last)
|
|
// and then by their distance from the specified node
|
|
ret = Streams.stream(new BreadthFirstIterator<>(this.graph, node))
|
|
.filter(p -> this.getPipe(p) != null)
|
|
.sorted(Comparator.<BlockPos>comparingInt(p -> this.getPipe(p).getPriority()).reversed().thenComparing(paths::getWeight))
|
|
.collect(Collectors.toList());
|
|
this.nodeToConnectedNodes.put(node, ret);
|
|
this.endProfile();
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
public void clearDestinationCache(BlockPos... nodes) {
|
|
this.startProfile("clear_node_cache");
|
|
// remove caches for the nodes
|
|
for (BlockPos node : nodes)
|
|
this.nodeToConnectedNodes.keySet().remove(node);
|
|
// remove caches that contain the nodes as a destination
|
|
this.nodeToConnectedNodes.values().removeIf(cached -> Arrays.stream(nodes).anyMatch(cached::contains));
|
|
this.endProfile();
|
|
}
|
|
|
|
public List<IPipeItem> getItemsInPipe(BlockPos pos) {
|
|
return this.pipeItems.get(pos);
|
|
}
|
|
|
|
public Stream<IPipeItem> getPipeItemsOnTheWay(BlockPos goalInv) {
|
|
this.startProfile("get_pipe_items_on_the_way");
|
|
Stream<IPipeItem> ret = this.pipeItems.values().stream().filter(i -> i.getDestInventory().equals(goalInv));
|
|
this.endProfile();
|
|
return ret;
|
|
}
|
|
|
|
public int getItemsOnTheWay(BlockPos goalInv, ItemStack type, ItemEquality... equalityTypes) {
|
|
return this.getPipeItemsOnTheWay(goalInv)
|
|
.filter(i -> type == null || ItemEquality.compareItems(i.getContent(), type, equalityTypes))
|
|
.mapToInt(i -> i.getItemsOnTheWay(goalInv)).sum();
|
|
}
|
|
|
|
@Override
|
|
public void edgeAdded(GraphEdgeChangeEvent<BlockPos, NetworkEdge> e) {
|
|
this.clearDestinationCache(e.getEdgeSource(), e.getEdgeTarget());
|
|
}
|
|
|
|
@Override
|
|
public void edgeRemoved(GraphEdgeChangeEvent<BlockPos, NetworkEdge> e) {
|
|
this.clearDestinationCache(e.getEdgeSource(), e.getEdgeTarget());
|
|
}
|
|
|
|
@Override
|
|
public void vertexAdded(GraphVertexChangeEvent<BlockPos> e) {
|
|
}
|
|
|
|
@Override
|
|
public void vertexRemoved(GraphVertexChangeEvent<BlockPos> e) {
|
|
}
|
|
|
|
public void startProfile(String name) {
|
|
this.world.getProfiler().startSection(() -> PrettyPipes.ID + ":pipe_network_" + name);
|
|
}
|
|
|
|
public void endProfile() {
|
|
this.world.getProfiler().endSection();
|
|
}
|
|
|
|
public static PipeNetwork get(World world) {
|
|
return world.getCapability(Registry.pipeNetworkCapability).orElse(null);
|
|
}
|
|
|
|
}
|