net.minestom.server.recipe.RecipeManager Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of minestom-snapshots Show documentation

1.20.4 Lightweight Minecraft server

There is a newer version: 7320437640

package net.minestom.server.recipe;

import net.minestom.server.entity.Player;
import net.minestom.server.network.packet.server.CachedPacket;
import net.minestom.server.network.packet.server.SendablePacket;
import net.minestom.server.network.packet.server.play.DeclareRecipesPacket;
import org.jetbrains.annotations.NotNull;

import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Predicate;

public final class RecipeManager {
    private final CachedPacket declareRecipesPacket = new CachedPacket(this::createDeclareRecipesPacket);
    private final Map> recipes = new ConcurrentHashMap<>();

    public void addRecipe(@NotNull Recipe recipe, @NotNull Predicate predicate) {
        var previous = recipes.put(recipe, predicate);
        if (previous == null) {
            declareRecipesPacket.invalidate();
        }
    }

    public void addRecipe(@NotNull Recipe recipe) {
        addRecipe(recipe, player -> true);
    }

    public void removeRecipe(@NotNull Recipe recipe) {
        if (this.recipes.remove(recipe) != null) {
            declareRecipesPacket.invalidate();
        }
    }

    public List consumeRecipes(Player player) {
        return recipes.entrySet().stream()
                .filter(entry -> entry.getValue().test(player))
                .map(Map.Entry::getKey)
                .toList();
    }

    public @NotNull Set getRecipes() {
        return recipes.keySet();
    }

    public @NotNull SendablePacket getDeclareRecipesPacket() {
        return declareRecipesPacket;
    }

    private @NotNull DeclareRecipesPacket createDeclareRecipesPacket() {
        return new DeclareRecipesPacket(List.copyOf(recipes.keySet()));
    }
}