package net.minecraft.world;

import net.minecraft.core.BlockPos;
import net.minecraft.core.NonNullList;
import net.minecraft.world.entity.Entity;
import net.minecraft.world.entity.EntityType;
import net.minecraft.world.entity.item.ItemEntity;
import net.minecraft.world.item.ItemStack;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.block.state.BlockState;

public class Containers {
	public static void dropContents(Level level, BlockPos pos, Container inventory) {
		dropContents(level, pos.getX(), pos.getY(), pos.getZ(), inventory);
	}

	public static void dropContents(Level level, Entity entityAt, Container inventory) {
		dropContents(level, entityAt.getX(), entityAt.getY(), entityAt.getZ(), inventory);
	}

	private static void dropContents(Level level, double x, double y, double z, Container inventory) {
		for (int i = 0; i < inventory.getContainerSize(); i++) {
			dropItemStack(level, x, y, z, inventory.getItem(i));
		}
	}

	public static void dropContents(Level level, BlockPos pos, NonNullList<ItemStack> stackList) {
		stackList.forEach(itemStack -> dropItemStack(level, pos.getX(), pos.getY(), pos.getZ(), itemStack));
	}

	public static void dropItemStack(Level level, double x, double y, double z, ItemStack stack) {
		double d = EntityType.ITEM.getWidth();
		double e = 1.0 - d;
		double f = d / 2.0;
		double g = Math.floor(x) + level.random.nextDouble() * e + f;
		double h = Math.floor(y) + level.random.nextDouble() * e;
		double i = Math.floor(z) + level.random.nextDouble() * e + f;

		while (!stack.isEmpty()) {
			ItemEntity itemEntity = new ItemEntity(level, g, h, i, stack.split(level.random.nextInt(21) + 10));
			float j = 0.05F;
			itemEntity.setDeltaMovement(
				level.random.triangle(0.0, 0.11485000171139836), level.random.triangle(0.2, 0.11485000171139836), level.random.triangle(0.0, 0.11485000171139836)
			);
			level.addFreshEntity(itemEntity);
		}
	}

	public static void updateNeighboursAfterDestroy(BlockState state, Level level, BlockPos pos) {
		level.updateNeighbourForOutputSignal(pos, state.getBlock());
	}
}