mirror of
https://github.com/Ellpeck/PrettyPipes.git
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107 lines
3.9 KiB
Java
107 lines
3.9 KiB
Java
package de.ellpeck.prettypipes.network;
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import de.ellpeck.prettypipes.misc.ItemEqualityType;
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import de.ellpeck.prettypipes.pipe.PipeTileEntity;
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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.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.util.INBTSerializable;
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import net.minecraftforge.items.IItemHandler;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.stream.Collectors;
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public class NetworkLocation implements INBTSerializable<CompoundNBT> {
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public BlockPos pipePos;
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public Direction direction;
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private Map<Integer, ItemStack> itemCache;
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private IItemHandler handlerCache;
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public NetworkLocation(BlockPos pipePos, Direction direction) {
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this.pipePos = pipePos;
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this.direction = direction;
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}
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public NetworkLocation(CompoundNBT nbt) {
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this.deserializeNBT(nbt);
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}
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public List<Integer> getStackSlots(World world, ItemStack stack, ItemEqualityType... equalityTypes) {
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if (this.isEmpty(world))
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return Collections.emptyList();
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return this.getItems(world).entrySet().stream()
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.filter(kv -> ItemEqualityType.compareItems(kv.getValue(), stack, equalityTypes) && this.canExtract(world, kv.getKey()))
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.map(Map.Entry::getKey).collect(Collectors.toList());
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}
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public int getItemAmount(World world, ItemStack stack, ItemEqualityType... equalityTypes) {
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if (this.isEmpty(world))
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return 0;
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return this.getItems(world).entrySet().stream()
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.filter(kv -> ItemEqualityType.compareItems(stack, kv.getValue(), equalityTypes) && this.canExtract(world, kv.getKey()))
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.mapToInt(kv -> kv.getValue().getCount()).sum();
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}
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public Map<Integer, ItemStack> getItems(World world) {
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if (this.itemCache == null) {
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IItemHandler handler = this.getItemHandler(world);
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if (handler != null) {
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for (int i = 0; i < handler.getSlots(); i++) {
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ItemStack stack = handler.getStackInSlot(i);
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// check if the slot is accessible to us
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if (stack.isEmpty())
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continue;
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if (this.itemCache == null)
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this.itemCache = new HashMap<>();
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// use getStackInSlot since there might be more than 64 items in there
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this.itemCache.put(i, stack);
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}
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}
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}
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return this.itemCache;
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}
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public boolean canExtract(World world, int slot) {
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IItemHandler handler = this.getItemHandler(world);
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return handler != null && !handler.extractItem(slot, 1, true).isEmpty();
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}
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public IItemHandler getItemHandler(World world) {
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if (this.handlerCache == null) {
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PipeNetwork network = PipeNetwork.get(world);
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PipeTileEntity pipe = network.getPipe(this.pipePos);
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this.handlerCache = pipe.getItemHandler(this.direction);
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}
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return this.handlerCache;
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}
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public boolean isEmpty(World world) {
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Map<Integer, ItemStack> items = this.getItems(world);
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return items == null || items.isEmpty();
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}
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public BlockPos getPos() {
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return this.pipePos.offset(this.direction);
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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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nbt.put("pipe_pos", NBTUtil.writeBlockPos(this.pipePos));
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nbt.putInt("direction", this.direction.getIndex());
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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.pipePos = NBTUtil.readBlockPos(nbt.getCompound("pipe_pos"));
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this.direction = Direction.byIndex(nbt.getInt("direction"));
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}
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}
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