80 lines
2.5 KiB
Java
80 lines
2.5 KiB
Java
package net.shadowfacts.simplemultipart.item;
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import net.minecraft.block.BlockState;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemPlacementContext;
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import net.minecraft.item.ItemUsageContext;
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import net.minecraft.util.ActionResult;
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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.shadowfacts.simplemultipart.SimpleMultipart;
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import net.shadowfacts.simplemultipart.container.MultipartContainerBlockEntity;
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import net.shadowfacts.simplemultipart.multipart.Multipart;
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import net.shadowfacts.simplemultipart.multipart.MultipartSlot;
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import net.shadowfacts.simplemultipart.multipart.MultipartState;
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/**
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* @author shadowfacts
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*/
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public class ItemMultipart extends Item {
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protected Multipart part;
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public ItemMultipart(Multipart part) {
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super(new Settings());
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this.part = part;
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}
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@Override
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public ActionResult useOnBlock(ItemUsageContext context) {
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return place(new ItemPlacementContext(context));
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}
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protected ActionResult place(ItemPlacementContext context) {
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MultipartContainerBlockEntity container = getOrCreateContainer(context.getWorld(), context.getPos());
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if (container == null) {
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return ActionResult.FAILURE;
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}
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MultipartSlot slot = getSlotForPlacement(container, context);
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if (slot == null) {
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return ActionResult.FAILURE;
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}
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MultipartState partState = part.getStateForPlacement(slot, container);
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if (!container.canInsert(partState, slot)) {
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return ActionResult.FAILURE;
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}
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container.insert(partState, slot);
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context.getItemStack().addAmount(-1);
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return ActionResult.SUCCESS;
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}
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protected MultipartContainerBlockEntity getOrCreateContainer(World world, BlockPos pos) {
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BlockState current = world.getBlockState(pos);
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if (current.getBlock() == SimpleMultipart.containerBlock) {
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return (MultipartContainerBlockEntity)world.getBlockEntity(pos);
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} else if (current.isAir()) {
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world.setBlockState(pos, SimpleMultipart.containerBlock.getDefaultState());
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return (MultipartContainerBlockEntity)world.getBlockEntity(pos);
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} else {
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return null;
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}
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}
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protected MultipartSlot getSlotForPlacement(MultipartContainerBlockEntity container, ItemPlacementContext context) {
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MultipartSlot slot = MultipartSlot.fromClickedSide(context.getFacing());
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if (part.isValidSlot(slot) && !container.hasPartInSlot(slot)) {
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return slot;
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}
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if (part.isValidSlot(MultipartSlot.CENTER) && !container.hasPartInSlot(MultipartSlot.CENTER)) {
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return MultipartSlot.CENTER;
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}
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return null;
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}
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}
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