398 lines
20 KiB
Java
398 lines
20 KiB
Java
package carpet.script.api;
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import carpet.fakes.IngredientInterface;
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import carpet.fakes.RecipeManagerInterface;
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import carpet.script.CarpetContext;
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import carpet.script.Expression;
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import carpet.script.exception.InternalExpressionException;
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import carpet.script.exception.ThrowStatement;
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import carpet.script.exception.Throwables;
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import carpet.script.utils.InputValidator;
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import carpet.script.value.BooleanValue;
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import carpet.script.value.ListValue;
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import carpet.script.value.NBTSerializableValue;
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import carpet.script.value.NullValue;
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import carpet.script.value.NumericValue;
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import carpet.script.value.StringValue;
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import carpet.script.value.Value;
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import carpet.script.value.ValueConversions;
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import com.google.common.collect.Sets;
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import com.mojang.brigadier.exceptions.CommandSyntaxException;
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import net.minecraft.command.argument.ItemStackArgument;
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import net.minecraft.entity.ItemEntity;
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import net.minecraft.entity.LivingEntity;
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import net.minecraft.entity.player.PlayerEntity;
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import net.minecraft.item.Item;
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import net.minecraft.item.ItemGroup;
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import net.minecraft.item.ItemStack;
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import net.minecraft.item.Items;
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import net.minecraft.nbt.NbtCompound;
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import net.minecraft.network.packet.s2c.play.ScreenHandlerSlotUpdateS2CPacket;
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import net.minecraft.recipe.AbstractCookingRecipe;
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import net.minecraft.recipe.CuttingRecipe;
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import net.minecraft.recipe.Recipe;
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import net.minecraft.recipe.RecipeType;
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import net.minecraft.recipe.ShapedRecipe;
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import net.minecraft.recipe.ShapelessRecipe;
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import net.minecraft.recipe.SpecialCraftingRecipe;
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import net.minecraft.server.network.ServerPlayerEntity;
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import net.minecraft.tag.Tag;
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import net.minecraft.tag.TagManager;
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import net.minecraft.util.Identifier;
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import net.minecraft.util.InvalidIdentifierException;
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import net.minecraft.util.math.Vec3d;
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import net.minecraft.util.registry.Registry;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.List;
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import java.util.stream.Collectors;
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public class Inventories {
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public static void apply(Expression expression)
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{
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expression.addUnaryFunction("stack_limit", v ->
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new NumericValue(NBTSerializableValue.parseItem(v.getString()).getItem().getMaxCount()));
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expression.addUnaryFunction("item_category", v ->
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{
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ItemStackArgument item = NBTSerializableValue.parseItem(v.getString());
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ItemGroup ig = item.getItem().getGroup();
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return (ig==null)?Value.NULL:new StringValue(ig.getName());
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});
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expression.addContextFunction("item_list", -1, (c, t, lv) ->
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{
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if (lv.size() == 0)
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return ListValue.wrap(Registry.ITEM.getIds().stream().map(ValueConversions::of).collect(Collectors.toList()));
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CarpetContext cc = (CarpetContext)c;
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TagManager tagManager = cc.s.getServer().getTagManager();
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String tag = lv.get(0).getString();
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net.minecraft.tag.Tag<Item> itemTag = tagManager.getOrCreateTagGroup(Registry.ITEM_KEY).getTag(InputValidator.identifierOf(tag));
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if (itemTag == null) return Value.NULL;
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return ListValue.wrap(itemTag.values().stream().map(b -> ValueConversions.of(Registry.ITEM.getId(b))).collect(Collectors.toList()));
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});
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expression.addContextFunction("item_tags", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext)c;
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TagManager tagManager = cc.s.getServer().getTagManager();
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if (lv.size() == 0)
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return ListValue.wrap(tagManager.getOrCreateTagGroup(Registry.ITEM_KEY).getTagIds().stream().map(ValueConversions::of).collect(Collectors.toList()));
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Item item = NBTSerializableValue.parseItem(lv.get(0).getString()).getItem();
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if (lv.size() == 1)
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return ListValue.wrap(tagManager.getOrCreateTagGroup(Registry.ITEM_KEY).getTags().entrySet().stream().filter(e -> e.getValue().contains(item)).map(e -> ValueConversions.of(e.getKey())).collect(Collectors.toList()));
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String tag = lv.get(1).getString();
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net.minecraft.tag.Tag<Item> itemTag = tagManager.getOrCreateTagGroup(Registry.ITEM_KEY).getTag(InputValidator.identifierOf(tag));
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if (itemTag == null) return Value.NULL;
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return BooleanValue.of(itemTag.contains(item));
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});
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expression.addContextFunction("recipe_data", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext)c;
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if (lv.size() < 1) throw new InternalExpressionException("'recipe_data' requires at least one argument");
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String recipeName = lv.get(0).getString();
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RecipeType<?> type = RecipeType.CRAFTING;
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if (lv.size() > 1)
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{
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String recipeType = lv.get(1).getString();
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type = Registry.RECIPE_TYPE.get(InputValidator.identifierOf(recipeType));
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}
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List<Recipe<?>> recipes;
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recipes = ((RecipeManagerInterface) cc.s.getServer().getRecipeManager()).getAllMatching(type, InputValidator.identifierOf(recipeName));
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if (recipes.isEmpty())
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return Value.NULL;
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List<Value> recipesOutput = new ArrayList<>();
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for (Recipe<?> recipe: recipes)
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{
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ItemStack result = recipe.getOutput();
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List<Value> ingredientValue = new ArrayList<>();
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recipe.getIngredients().forEach(
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ingredient ->
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{
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// I am flattening ingredient lists per slot.
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// consider recipe_data('wooden_sword','crafting') and ('iron_nugget', 'blasting') and notice difference
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// in depths of lists.
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List<Collection<ItemStack>> stacks = ((IngredientInterface) (Object) ingredient).getRecipeStacks();
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if (stacks.isEmpty())
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{
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ingredientValue.add(Value.NULL);
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}
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else
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{
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List<Value> alternatives = new ArrayList<>();
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stacks.forEach(col -> col.stream().map(ValueConversions::of).forEach(alternatives::add));
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ingredientValue.add(ListValue.wrap(alternatives));
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}
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}
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);
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Value recipeSpec;
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if (recipe instanceof ShapedRecipe)
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{
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recipeSpec = ListValue.of(
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new StringValue("shaped"),
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new NumericValue(((ShapedRecipe) recipe).getWidth()),
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new NumericValue(((ShapedRecipe) recipe).getHeight())
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);
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}
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else if (recipe instanceof ShapelessRecipe)
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{
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recipeSpec = ListValue.of(new StringValue("shapeless"));
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}
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else if (recipe instanceof AbstractCookingRecipe)
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{
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recipeSpec = ListValue.of(
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new StringValue("smelting"),
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new NumericValue(((AbstractCookingRecipe) recipe).getCookTime()),
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new NumericValue(((AbstractCookingRecipe) recipe).getExperience())
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);
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}
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else if (recipe instanceof CuttingRecipe)
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{
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recipeSpec = ListValue.of(new StringValue("cutting"));
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}
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else if (recipe instanceof SpecialCraftingRecipe)
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{
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recipeSpec = ListValue.of(new StringValue("special"));
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}
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else
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{
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recipeSpec = ListValue.of(new StringValue("custom"));
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}
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recipesOutput.add(ListValue.of(ValueConversions.of(result), ListValue.wrap(ingredientValue), recipeSpec));
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}
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return ListValue.wrap(recipesOutput);
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});
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expression.addUnaryFunction("crafting_remaining_item", v ->
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{
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String itemStr = v.getString();
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Item item;
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Identifier id = InputValidator.identifierOf(itemStr);
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item = Registry.ITEM.getOrEmpty(id).orElseThrow(() -> new ThrowStatement(itemStr, Throwables.UNKNOWN_ITEM));
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if (!item.hasRecipeRemainder()) return Value.NULL;
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return new StringValue(NBTSerializableValue.nameFromRegistryId(Registry.ITEM.getId(item.getRecipeRemainder())));
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});
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expression.addContextFunction("inventory_size", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext) c;
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NBTSerializableValue.InventoryLocator inventoryLocator = NBTSerializableValue.locateInventory(cc, lv, 0);
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if (inventoryLocator == null) return Value.NULL;
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return new NumericValue(inventoryLocator.inventory().size());
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});
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expression.addContextFunction("inventory_has_items", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext) c;
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NBTSerializableValue.InventoryLocator inventoryLocator = NBTSerializableValue.locateInventory(cc, lv, 0);
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if (inventoryLocator == null) return Value.NULL;
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return BooleanValue.of(!inventoryLocator.inventory().isEmpty());
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});
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//inventory_get(<b, e>, <n>) -> item_triple
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expression.addContextFunction("inventory_get", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext) c;
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NBTSerializableValue.InventoryLocator inventoryLocator = NBTSerializableValue.locateInventory(cc, lv, 0);
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if (inventoryLocator == null) return Value.NULL;
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if (lv.size() == inventoryLocator.offset())
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{
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List<Value> fullInventory = new ArrayList<>();
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for (int i = 0, maxi = inventoryLocator.inventory().size(); i < maxi; i++)
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fullInventory.add(ValueConversions.of(inventoryLocator.inventory().getStack(i)));
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return ListValue.wrap(fullInventory);
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}
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int slot = (int)NumericValue.asNumber(lv.get(inventoryLocator.offset())).getLong();
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slot = NBTSerializableValue.validateSlot(slot, inventoryLocator.inventory());
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if (slot == inventoryLocator.inventory().size()) return Value.NULL;
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return ValueConversions.of(inventoryLocator.inventory().getStack(slot));
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});
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//inventory_set(<b,e>, <n>, <count>, <item>, <nbt>)
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expression.addContextFunction("inventory_set", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext) c;
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NBTSerializableValue.InventoryLocator inventoryLocator = NBTSerializableValue.locateInventory(cc, lv, 0);
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if (inventoryLocator == null) return Value.NULL;
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if (lv.size() < inventoryLocator.offset()+2)
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throw new InternalExpressionException("'inventory_set' requires at least slot number and new stack size, and optional new item");
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int slot = (int) NumericValue.asNumber(lv.get(inventoryLocator.offset()+0)).getLong();
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slot = NBTSerializableValue.validateSlot(slot, inventoryLocator.inventory());
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if (slot == inventoryLocator.inventory().size()) return Value.NULL;
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int count = (int) NumericValue.asNumber(lv.get(inventoryLocator.offset()+1)).getLong();
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if (count == 0)
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{
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// clear slot
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ItemStack removedStack = inventoryLocator.inventory().removeStack(slot);
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syncPlayerInventory(inventoryLocator, slot);
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//Value res = ListValue.fromItemStack(removedStack); // that tuple will be read only but cheaper if noone cares
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return ValueConversions.of(removedStack);
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}
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if (lv.size() < inventoryLocator.offset()+3)
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{
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ItemStack previousStack = inventoryLocator.inventory().getStack(slot);
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ItemStack newStack = previousStack.copy();
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newStack.setCount(count);
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inventoryLocator.inventory().setStack(slot, newStack);
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syncPlayerInventory(inventoryLocator, slot);
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return ValueConversions.of(previousStack);
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}
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NbtCompound nbt = null; // skipping one argument
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if (lv.size() > inventoryLocator.offset()+3)
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{
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Value nbtValue = lv.get(inventoryLocator.offset()+3);
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if (nbtValue instanceof NBTSerializableValue)
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nbt = ((NBTSerializableValue)nbtValue).getCompoundTag();
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else if (nbtValue instanceof NullValue)
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nbt = null;
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else
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nbt = new NBTSerializableValue(nbtValue.getString()).getCompoundTag();
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}
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ItemStackArgument newitem = NBTSerializableValue.parseItem(lv.get(inventoryLocator.offset()+2).getString(), nbt);
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ItemStack previousStack = inventoryLocator.inventory().getStack(slot);
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try
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{
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inventoryLocator.inventory().setStack(slot, newitem.createStack(count, false));
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syncPlayerInventory(inventoryLocator, slot);
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}
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catch (CommandSyntaxException e)
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{
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throw new InternalExpressionException(e.getMessage());
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}
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return ValueConversions.of(previousStack);
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});
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//inventory_find(<b, e>, <item> or null (first empty slot), <start_from=0> ) -> <N> or null
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expression.addContextFunction("inventory_find", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext) c;
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NBTSerializableValue.InventoryLocator inventoryLocator = NBTSerializableValue.locateInventory(cc, lv, 0);
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if (inventoryLocator == null) return Value.NULL;
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ItemStackArgument itemArg = null;
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if (lv.size() > inventoryLocator.offset())
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{
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Value secondArg = lv.get(inventoryLocator.offset()+0);
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if (!(secondArg instanceof NullValue))
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itemArg = NBTSerializableValue.parseItem(secondArg.getString());
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}
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int startIndex = 0;
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if (lv.size() > inventoryLocator.offset()+1)
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{
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startIndex = (int) NumericValue.asNumber(lv.get(inventoryLocator.offset()+1)).getLong();
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}
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startIndex = NBTSerializableValue.validateSlot(startIndex, inventoryLocator.inventory());
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for (int i = startIndex, maxi = inventoryLocator.inventory().size(); i < maxi; i++)
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{
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ItemStack stack = inventoryLocator.inventory().getStack(i);
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if ( (itemArg == null && stack.isEmpty()) || (itemArg != null && itemArg.getItem().equals(stack.getItem())) )
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return new NumericValue(i);
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}
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return Value.NULL;
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});
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//inventory_remove(<b, e>, <item>, <amount=1>) -> bool
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expression.addContextFunction("inventory_remove", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext) c;
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NBTSerializableValue.InventoryLocator inventoryLocator = NBTSerializableValue.locateInventory(cc, lv, 0);
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if (inventoryLocator == null) return Value.NULL;
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if (lv.size() <= inventoryLocator.offset())
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throw new InternalExpressionException("'inventory_remove' requires at least an item to be removed");
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ItemStackArgument searchItem = NBTSerializableValue.parseItem(lv.get(inventoryLocator.offset()).getString());
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int amount = 1;
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if (lv.size() > inventoryLocator.offset()+1)
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amount = (int)NumericValue.asNumber(lv.get(inventoryLocator.offset()+1)).getLong();
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// not enough
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if (((amount == 1) && (!inventoryLocator.inventory().containsAny(Sets.newHashSet(searchItem.getItem()))))
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|| (inventoryLocator.inventory().count(searchItem.getItem()) < amount)) return Value.FALSE;
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for (int i = 0, maxi = inventoryLocator.inventory().size(); i < maxi; i++)
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{
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ItemStack stack = inventoryLocator.inventory().getStack(i);
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if (stack.isEmpty())
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continue;
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if (!stack.getItem().equals(searchItem.getItem()))
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continue;
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int left = stack.getCount()-amount;
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if (left > 0)
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{
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stack.setCount(left);
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inventoryLocator.inventory().setStack(i, stack);
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syncPlayerInventory(inventoryLocator, i);
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return Value.TRUE;
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}
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else
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{
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inventoryLocator.inventory().removeStack(i);
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syncPlayerInventory(inventoryLocator, i);
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amount -= stack.getCount();
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}
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}
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if (amount > 0)
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throw new InternalExpressionException("Something bad happened - cannot pull all items from inventory");
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return Value.TRUE;
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});
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//inventory_drop(<b, e>, <n>, <amount=1, 0-whatever's there>) -> entity_item (and sets slot) or null if cannot
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expression.addContextFunction("drop_item", -1, (c, t, lv) ->
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{
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CarpetContext cc = (CarpetContext) c;
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NBTSerializableValue.InventoryLocator inventoryLocator = NBTSerializableValue.locateInventory(cc, lv, 0);
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if (inventoryLocator == null) return Value.NULL;
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if (lv.size() == inventoryLocator.offset())
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throw new InternalExpressionException("Slot number is required for inventory_drop");
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int slot = (int)NumericValue.asNumber(lv.get(inventoryLocator.offset())).getLong();
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slot = NBTSerializableValue.validateSlot(slot, inventoryLocator.inventory());
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if (slot == inventoryLocator.inventory().size()) return Value.NULL;
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int amount = 0;
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if (lv.size() > inventoryLocator.offset()+1)
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amount = (int)NumericValue.asNumber(lv.get(inventoryLocator.offset()+1)).getLong();
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if (amount < 0)
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throw new InternalExpressionException("Cannot throw negative number of items");
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ItemStack stack = inventoryLocator.inventory().getStack(slot);
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if (stack == null || stack.isEmpty()) return Value.ZERO;
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if (amount == 0) amount = stack.getCount();
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ItemStack droppedStack = inventoryLocator.inventory().removeStack(slot, amount);
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if (droppedStack.isEmpty()) return Value.ZERO;
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Object owner = inventoryLocator.owner();
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ItemEntity item;
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if (owner instanceof PlayerEntity)
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{
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item = ((PlayerEntity) owner).dropItem(droppedStack, false, true);
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}
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else if (owner instanceof LivingEntity villager)
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{
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// stolen from LookTargetUtil.give((VillagerEntity)owner, droppedStack, (LivingEntity) owner);
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double double_1 = villager.getY() - 0.30000001192092896D + (double)villager.getStandingEyeHeight();
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item = new ItemEntity(villager.world, villager.getX(), double_1, villager.getZ(), droppedStack);
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Vec3d vec3d_1 = villager.getRotationVec(1.0F).normalize().multiply(0.3);// new Vec3d(0, 0.3, 0);
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item.setVelocity(vec3d_1);
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item.setToDefaultPickupDelay();
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cc.s.getWorld().spawnEntity(item);
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}
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else
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{
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Vec3d point = Vec3d.ofCenter(inventoryLocator.position()); //pos+0.5v
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item = new ItemEntity(cc.s.getWorld(), point.x, point.y, point.z, droppedStack);
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item.setToDefaultPickupDelay();
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cc.s.getWorld().spawnEntity(item);
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}
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return new NumericValue(item.getStack().getCount());
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});
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}
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private static void syncPlayerInventory(NBTSerializableValue.InventoryLocator inventory, int int_1)
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{
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if (inventory.owner() instanceof ServerPlayerEntity player && !inventory.isEnder())
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{
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player.networkHandler.sendPacket(new ScreenHandlerSlotUpdateS2CPacket(
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-2, 0, // resolve mystery argument
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int_1,
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inventory.inventory().getStack(int_1)
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));
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}
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}
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}
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