NaturesAura/src/main/java/de/ellpeck/naturesaura/items/ItemMultiblockMaker.java

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package de.ellpeck.naturesaura.items;
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import de.ellpeck.naturesaura.NaturesAura;
import de.ellpeck.naturesaura.api.NaturesAuraAPI;
import de.ellpeck.naturesaura.api.multiblock.IMultiblock;
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import net.minecraft.entity.player.PlayerEntity;
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import net.minecraft.item.ItemStack;
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import net.minecraft.item.ItemUseContext;
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import net.minecraft.util.ActionResult;
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import net.minecraft.util.ActionResultType;
import net.minecraft.util.Hand;
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import net.minecraft.util.text.ITextComponent;
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import net.minecraft.util.text.TextComponent;
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import net.minecraft.world.World;
import java.util.ArrayList;
import java.util.List;
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public class ItemMultiblockMaker extends ItemImpl {
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private static List<IMultiblock> multiblocks;
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public ItemMultiblockMaker() {
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super("multiblock_maker");
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}
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private static int getMultiblock(ItemStack stack) {
if (!stack.hasTag())
return -1;
return stack.getTag().getInt("multiblock");
}
private static List<IMultiblock> multiblocks() {
if (multiblocks == null) {
multiblocks = new ArrayList<>();
multiblocks.addAll(NaturesAuraAPI.MULTIBLOCKS.values());
}
return multiblocks;
}
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@Override
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public ActionResult<ItemStack> onItemRightClick(World worldIn, PlayerEntity playerIn, Hand handIn) {
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ItemStack stack = playerIn.getHeldItem(handIn);
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if (!worldIn.isRemote && playerIn.isCreative()) {
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int curr = getMultiblock(stack);
int next = (curr + 1) % multiblocks().size();
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stack.getOrCreateTag().putInt("multiblock", next);
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}
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return new ActionResult<>(ActionResultType.SUCCESS, stack);
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}
@Override
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public ActionResultType onItemUse(ItemUseContext context) {
PlayerEntity player = context.getPlayer();
if (player.isCreative()) {
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int id = getMultiblock(player.getHeldItem(context.getHand()));
if (id < 0)
return ActionResultType.PASS;
IMultiblock multi = multiblocks().get(id);
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if (multi == null)
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return ActionResultType.PASS;
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if (!context.getWorld().isRemote)
multi.forEach(context.getPos().up(), (char) 0, (blockPos, matcher) -> {
context.getWorld().setBlockState(blockPos, matcher.getDefaultState());
return true;
});
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return ActionResultType.SUCCESS;
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}
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return ActionResultType.PASS;
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}
@Override
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public ITextComponent getDisplayName(ItemStack stack) {
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TextComponent name = (TextComponent) super.getDisplayName(stack);
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int id = getMultiblock(stack);
if (id < 0)
return name;
IMultiblock multi = multiblocks().get(id);
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return multi == null ? name : name.appendString(" (" + multi.getName() + ")");
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}
}