From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001 From: Jake Potrebic Date: Thu, 7 Oct 2021 14:34:59 -0700 Subject: [PATCH] Custom Potion Mixes diff --git a/src/main/java/io/papermc/paper/potion/PotionMix.java b/src/main/java/io/papermc/paper/potion/PotionMix.java new file mode 100644 index 0000000000000000000000000000000000000000..3fc922ebf972418b84181cd02e68d8ef0efd739b --- /dev/null +++ b/src/main/java/io/papermc/paper/potion/PotionMix.java @@ -0,0 +1,105 @@ +package io.papermc.paper.potion; + +import java.util.function.Predicate; +import org.bukkit.Keyed; +import org.bukkit.NamespacedKey; +import org.bukkit.inventory.ItemStack; +import org.bukkit.inventory.RecipeChoice; +import org.jetbrains.annotations.ApiStatus; +import org.jetbrains.annotations.Contract; +import org.jetbrains.annotations.NotNull; + +import java.util.Objects; + +/** + * Represents a potion mix made in a Brewing Stand. + */ +@ApiStatus.NonExtendable +public class PotionMix implements Keyed { + + private final NamespacedKey key; + private final ItemStack result; + private final RecipeChoice input; + private final RecipeChoice ingredient; + + /** + * Creates a new potion mix. Add it to the server with {@link org.bukkit.potion.PotionBrewer#addPotionMix(PotionMix)}. + * + * @param key a unique key for the mix + * @param result the resulting itemstack that will appear in the 3 bottom slots + * @param input the input placed into the bottom 3 slots + * @param ingredient the ingredient placed into the top slot + */ + public PotionMix(final @NotNull NamespacedKey key, final @NotNull ItemStack result, final @NotNull RecipeChoice input, final @NotNull RecipeChoice ingredient) { + this.key = key; + this.result = result; + this.input = input; + this.ingredient = ingredient; + } + + /** + * Create a {@link RecipeChoice} based on a Predicate. These RecipeChoices are only + * valid for {@link PotionMix}, not anywhere else RecipeChoices may be used. + * + * @param stackPredicate a predicate for an itemstack. + * @return a new RecipeChoice + */ + @Contract(value = "_ -> new", pure = true) + public static @NotNull RecipeChoice createPredicateChoice(final @NotNull Predicate stackPredicate) { + return new PredicateRecipeChoice(stackPredicate); + } + + @Override + public @NotNull NamespacedKey getKey() { + return this.key; + } + + /** + * Gets the resulting itemstack after the brew has finished. + * + * @return the result itemstack + */ + public @NotNull ItemStack getResult() { + return this.result; + } + + /** + * Gets the input for the bottom 3 slots in the brewing stand. + * + * @return the bottom 3 slot ingredients + */ + public @NotNull RecipeChoice getInput() { + return this.input; + } + + /** + * Gets the ingredient in the top slot of the brewing stand. + * + * @return the top slot input + */ + public @NotNull RecipeChoice getIngredient() { + return this.ingredient; + } + + @Override + public String toString() { + return "PotionMix{" + + "result=" + this.result + + ", base=" + this.input + + ", addition=" + this.ingredient + + '}'; + } + + @Override + public boolean equals(final Object o) { + if (this == o) return true; + if (o == null || this.getClass() != o.getClass()) return false; + final PotionMix potionMix = (PotionMix) o; + return this.key.equals(potionMix.key) && this.result.equals(potionMix.result) && this.input.equals(potionMix.input) && this.ingredient.equals(potionMix.ingredient); + } + + @Override + public int hashCode() { + return Objects.hash(this.key, this.result, this.input, this.ingredient); + } +} diff --git a/src/main/java/io/papermc/paper/potion/PredicateRecipeChoice.java b/src/main/java/io/papermc/paper/potion/PredicateRecipeChoice.java new file mode 100644 index 0000000000000000000000000000000000000000..3ede1e8f7bf0436fdc5bf395c0f9eaf11c252453 --- /dev/null +++ b/src/main/java/io/papermc/paper/potion/PredicateRecipeChoice.java @@ -0,0 +1,33 @@ +package io.papermc.paper.potion; + +import java.util.function.Predicate; +import org.bukkit.inventory.ItemStack; +import org.bukkit.inventory.RecipeChoice; +import org.checkerframework.checker.nullness.qual.NonNull; +import org.checkerframework.framework.qual.DefaultQualifier; +import org.jetbrains.annotations.ApiStatus; + +@ApiStatus.Internal +@DefaultQualifier(NonNull.class) +record PredicateRecipeChoice(Predicate itemStackPredicate) implements RecipeChoice, Cloneable { + + @Override + @Deprecated + public ItemStack getItemStack() { + throw new UnsupportedOperationException("PredicateRecipeChoice does not support this"); + } + + @Override + public RecipeChoice clone() { + try { + return (PredicateRecipeChoice) super.clone(); + } catch (final CloneNotSupportedException ex) { + throw new AssertionError(ex); + } + } + + @Override + public boolean test(final ItemStack itemStack) { + return this.itemStackPredicate.test(itemStack); + } +} diff --git a/src/main/java/org/bukkit/Bukkit.java b/src/main/java/org/bukkit/Bukkit.java index c64f6ccfcd08c851900e734a194b1de4c8e32b07..986d506ae0eb91363e7fdfa19b1f9d0d840a5207 100644 --- a/src/main/java/org/bukkit/Bukkit.java +++ b/src/main/java/org/bukkit/Bukkit.java @@ -2598,6 +2598,15 @@ public final class Bukkit { public static io.papermc.paper.datapack.DatapackManager getDatapackManager() { return server.getDatapackManager(); } + + /** + * Gets the potion brewer. + * + * @return the potion brewer + */ + public static @NotNull org.bukkit.potion.PotionBrewer getPotionBrewer() { + return server.getPotionBrewer(); + } // Paper end @NotNull diff --git a/src/main/java/org/bukkit/Server.java b/src/main/java/org/bukkit/Server.java index d6c3fefbd407ae3aa1be9e71d05b6370f09dd905..33458df42b41e9ef5d9728d526cc45b8199f25b4 100644 --- a/src/main/java/org/bukkit/Server.java +++ b/src/main/java/org/bukkit/Server.java @@ -2262,5 +2262,12 @@ public interface Server extends PluginMessageRecipient, net.kyori.adventure.audi */ @NotNull io.papermc.paper.datapack.DatapackManager getDatapackManager(); + + /** + * Gets the potion brewer. + * + * @return the potion brewer + */ + @NotNull org.bukkit.potion.PotionBrewer getPotionBrewer(); // Paper end } diff --git a/src/main/java/org/bukkit/potion/PotionBrewer.java b/src/main/java/org/bukkit/potion/PotionBrewer.java index 2072f048e10eba829cef047d854b5a22c8f055a3..eb189e170bc4975c5378f95f86ecf2cc880bd931 100644 --- a/src/main/java/org/bukkit/potion/PotionBrewer.java +++ b/src/main/java/org/bukkit/potion/PotionBrewer.java @@ -45,4 +45,25 @@ public interface PotionBrewer { @NotNull @Deprecated public Collection getEffects(@NotNull PotionType type, boolean upgraded, boolean extended); + + // Paper start + /** + * Adds a new potion mix recipe. + * + * @param potionMix the potion mix to add + */ + void addPotionMix(@NotNull io.papermc.paper.potion.PotionMix potionMix); + + /** + * Removes a potion mix recipe. + * + * @param key the key of the mix to remove + */ + void removePotionMix(@NotNull org.bukkit.NamespacedKey key); + + /** + * Resets potion mixes to their default, removing all custom ones. + */ + void resetPotionMixes(); + // Paper end }