Java tutorial
/* * This file ("AwfulUtil.java") is part of the Actually Additions mod for Minecraft. * It is created and owned by Ellpeck and distributed * under the Actually Additions License to be found at * http://ellpeck.de/actaddlicense * View the source code at https://github.com/Ellpeck/ActuallyAdditions * * 2015-2016 Ellpeck */ package de.ellpeck.actuallyadditions.mod.util; import com.google.common.collect.Lists; import net.minecraft.item.ItemStack; import net.minecraft.util.math.MathHelper; import net.minecraft.world.storage.loot.LootContext; import net.minecraft.world.storage.loot.LootTable; import net.minecraftforge.items.IItemHandlerModifiable; import java.util.Collections; import java.util.Iterator; import java.util.List; import java.util.Random; //This is stuff copied from somewhere in vanilla and changed so that it works properly //It's unpolished and vanilla-y, so don't look at it! O_O public final class AwfulUtil { public static void fillInventory(LootTable table, IItemHandlerModifiable inventory, Random rand, LootContext context) { List<ItemStack> list = table.generateLootForPools(rand, context); List<Integer> list1 = getEmptySlotsRandomized(inventory, rand); shuffleItems(list, list1.size(), rand); for (ItemStack itemstack : list) { if (itemstack.isEmpty()) { inventory.setStackInSlot(list1.remove(list1.size() - 1), ItemStack.EMPTY); } else { inventory.setStackInSlot(list1.remove(list1.size() - 1), itemstack); } } } private static void shuffleItems(List<ItemStack> stacks, int someInt, Random rand) { List<ItemStack> list = Lists.newArrayList(); Iterator<ItemStack> iterator = stacks.iterator(); while (iterator.hasNext()) { ItemStack itemstack = iterator.next(); if (itemstack.isEmpty()) { iterator.remove(); } else if (itemstack.getCount() > 1) { list.add(itemstack); iterator.remove(); } } someInt = someInt - stacks.size(); while (someInt > 0 && ((List) list).size() > 0) { ItemStack itemstack2 = list.remove(MathHelper.getInt(rand, 0, list.size() - 1)); int i = MathHelper.getInt(rand, 1, itemstack2.getCount() / 2); ItemStack itemstack1 = itemstack2.splitStack(i); if (itemstack2.getCount() > 1 && rand.nextBoolean()) { list.add(itemstack2); } else { stacks.add(itemstack2); } if (itemstack1.getCount() > 1 && rand.nextBoolean()) { list.add(itemstack1); } else { stacks.add(itemstack1); } } stacks.addAll(list); Collections.shuffle(stacks, rand); } private static List<Integer> getEmptySlotsRandomized(IItemHandlerModifiable inventory, Random rand) { List<Integer> list = Lists.newArrayList(); for (int i = 0; i < inventory.getSlots(); ++i) { if (inventory.getStackInSlot(i).isEmpty()) { list.add(i); } } Collections.shuffle(list, rand); return list; } }