src/game/java/net/minecraft/world/Containers.java

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 p_19003_, BlockPos p_19004_, Container p_19005_) {
        dropContents(p_19003_, (double)p_19004_.getX(), (double)p_19004_.getY(), (double)p_19004_.getZ(), p_19005_);
    }

    public static void dropContents(Level p_18999_, Entity p_19000_, Container p_19001_) {
        dropContents(p_18999_, p_19000_.getX(), p_19000_.getY(), p_19000_.getZ(), p_19001_);
    }

    private static void dropContents(Level p_18987_, double p_18988_, double p_18989_, double p_18990_, Container p_18991_) {
        for (int i = 0; i < p_18991_.getContainerSize(); i++) {
            dropItemStack(p_18987_, p_18988_, p_18989_, p_18990_, p_18991_.getItem(i));
        }
    }

    public static void dropContents(Level p_19011_, BlockPos p_19012_, NonNullList<ItemStack> p_19013_) {
        p_19013_.forEach(p_19009_ -> dropItemStack(p_19011_, (double)p_19012_.getX(), (double)p_19012_.getY(), (double)p_19012_.getZ(), p_19009_));
    }

    public static void dropItemStack(Level p_18993_, double p_18994_, double p_18995_, double p_18996_, ItemStack p_18997_) {
        double d0 = (double)EntityType.ITEM.getWidth();
        double d1 = 1.0 - d0;
        double d2 = d0 / 2.0;
        double d3 = Math.floor(p_18994_) + p_18993_.random.nextDouble() * d1 + d2;
        double d4 = Math.floor(p_18995_) + p_18993_.random.nextDouble() * d1;
        double d5 = Math.floor(p_18996_) + p_18993_.random.nextDouble() * d1 + d2;

        while (!p_18997_.isEmpty()) {
            ItemEntity itementity = new ItemEntity(p_18993_, d3, d4, d5, p_18997_.split(p_18993_.random.nextInt(21) + 10));
            float f = 0.05F;
            itementity.setDeltaMovement(
                p_18993_.random.triangle(0.0, 0.11485000171139836),
                p_18993_.random.triangle(0.2, 0.11485000171139836),
                p_18993_.random.triangle(0.0, 0.11485000171139836)
            );
            p_18993_.addFreshEntity(itementity);
        }
    }

    public static void dropContentsOnDestroy(BlockState p_311942_, BlockState p_312492_, Level p_311364_, BlockPos p_309753_) {
        if (!p_311942_.is(p_312492_.getBlock())) {
            if (p_311364_.getBlockEntity(p_309753_) instanceof Container container) {
                dropContents(p_311364_, p_309753_, container);
                p_311364_.updateNeighbourForOutputSignal(p_309753_, p_311942_.getBlock());
            }
        }
    }
}