mirror of
https://github.com/PaperMC/Paper.git
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89d51d5f29
Because this exploit has been widely known for years and has not been fixed by Mojang, we decided that it was worth allowing people to toggle it on/off due to how easy it is to make it configurable. It should be noted that this decision does not promise all future exploits will be configurable.
248 lines
12 KiB
Diff
248 lines
12 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Jake Potrebic <jake.m.potrebic@gmail.com>
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Date: Thu, 7 Oct 2021 14:34:55 -0700
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Subject: [PATCH] Custom Potion Mixes
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diff --git a/src/main/java/io/papermc/paper/potion/PaperPotionMix.java b/src/main/java/io/papermc/paper/potion/PaperPotionMix.java
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new file mode 100644
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index 0000000000000000000000000000000000000000..7ea357ac2f3a93db4ebdf24b5072be7d1cad3e33
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--- /dev/null
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+++ b/src/main/java/io/papermc/paper/potion/PaperPotionMix.java
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@@ -0,0 +1,21 @@
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+package io.papermc.paper.potion;
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+
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+import java.util.function.Predicate;
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+import net.minecraft.world.item.ItemStack;
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+import org.bukkit.craftbukkit.inventory.CraftItemStack;
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+import org.bukkit.craftbukkit.inventory.CraftRecipe;
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+import org.bukkit.inventory.RecipeChoice;
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+
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+public record PaperPotionMix(ItemStack result, Predicate<ItemStack> input, Predicate<ItemStack> ingredient) {
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+
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+ public PaperPotionMix(PotionMix potionMix) {
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+ this(CraftItemStack.asNMSCopy(potionMix.getResult()), convert(potionMix.getInput()), convert(potionMix.getIngredient()));
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+ }
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+
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+ static Predicate<ItemStack> convert(final RecipeChoice choice) {
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+ if (choice instanceof PredicateRecipeChoice predicateRecipeChoice) {
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+ return stack -> predicateRecipeChoice.test(CraftItemStack.asBukkitCopy(stack));
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+ }
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+ return CraftRecipe.toIngredient(choice, true);
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+ }
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+}
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diff --git a/src/main/java/net/minecraft/server/MinecraftServer.java b/src/main/java/net/minecraft/server/MinecraftServer.java
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index 39735cce3c32d9905130dca2d7e34aff144364ef..8080eee9babe02660724eee756700a4d5e69014f 100644
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--- a/src/main/java/net/minecraft/server/MinecraftServer.java
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+++ b/src/main/java/net/minecraft/server/MinecraftServer.java
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@@ -2081,6 +2081,7 @@ public abstract class MinecraftServer extends ReentrantBlockableEventLoop<TickTa
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this.worldData.setDataConfiguration(worlddataconfiguration);
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this.resources.managers.updateRegistryTags(this.registryAccess());
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+ net.minecraft.world.item.alchemy.PotionBrewing.reload(); // Paper - Custom Potion Mixes
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this.getPlayerList().saveAll();
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this.getPlayerList().reloadResources();
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this.functionManager.replaceLibrary(this.resources.managers.getFunctionLibrary());
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diff --git a/src/main/java/net/minecraft/world/inventory/BrewingStandMenu.java b/src/main/java/net/minecraft/world/inventory/BrewingStandMenu.java
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index ad012400d76c263bf26cfa07e2e24f26dc32276b..054555c6b9c61243b1f14139b5c0eb2579403707 100644
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--- a/src/main/java/net/minecraft/world/inventory/BrewingStandMenu.java
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+++ b/src/main/java/net/minecraft/world/inventory/BrewingStandMenu.java
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@@ -169,7 +169,7 @@ public class BrewingStandMenu extends AbstractContainerMenu {
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}
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public static boolean mayPlaceItem(ItemStack stack) {
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- return stack.is(Items.POTION) || stack.is(Items.SPLASH_POTION) || stack.is(Items.LINGERING_POTION) || stack.is(Items.GLASS_BOTTLE);
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+ return stack.is(Items.POTION) || stack.is(Items.SPLASH_POTION) || stack.is(Items.LINGERING_POTION) || stack.is(Items.GLASS_BOTTLE) || PotionBrewing.isCustomInput(stack); // Paper - Custom Potion Mixes
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}
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}
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diff --git a/src/main/java/net/minecraft/world/item/alchemy/PotionBrewing.java b/src/main/java/net/minecraft/world/item/alchemy/PotionBrewing.java
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index 25e909b90293855321b8f05ab3488bad8c064853..0bba74bd22d66881fc6851797d29c1442f509445 100644
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--- a/src/main/java/net/minecraft/world/item/alchemy/PotionBrewing.java
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+++ b/src/main/java/net/minecraft/world/item/alchemy/PotionBrewing.java
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@@ -14,6 +14,7 @@ public class PotionBrewing {
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public static final int BREWING_TIME_SECONDS = 20;
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private static final List<PotionBrewing.Mix<Potion>> POTION_MIXES = Lists.newArrayList();
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private static final List<PotionBrewing.Mix<Item>> CONTAINER_MIXES = Lists.newArrayList();
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+ private static final it.unimi.dsi.fastutil.objects.Object2ObjectLinkedOpenHashMap<org.bukkit.NamespacedKey, io.papermc.paper.potion.PaperPotionMix> CUSTOM_MIXES = new it.unimi.dsi.fastutil.objects.Object2ObjectLinkedOpenHashMap<>(); // Paper - Custom Potion Mixes
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private static final List<Ingredient> ALLOWED_CONTAINERS = Lists.newArrayList();
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private static final Predicate<ItemStack> ALLOWED_CONTAINER = (stack) -> {
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for(Ingredient ingredient : ALLOWED_CONTAINERS) {
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@@ -26,7 +27,7 @@ public class PotionBrewing {
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};
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public static boolean isIngredient(ItemStack stack) {
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- return isContainerIngredient(stack) || isPotionIngredient(stack);
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+ return isContainerIngredient(stack) || isPotionIngredient(stack) || isCustomIngredient(stack); // Paper - Custom Potion Mixes
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}
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protected static boolean isContainerIngredient(ItemStack stack) {
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@@ -60,6 +61,11 @@ public class PotionBrewing {
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}
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public static boolean hasMix(ItemStack input, ItemStack ingredient) {
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+ // Paper start - Custom Potion Mixes
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+ if (hasCustomMix(input, ingredient)) {
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+ return true;
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+ }
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+ // Paper end - Custom Potion Mixes
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if (!ALLOWED_CONTAINER.test(input)) {
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return false;
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} else {
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@@ -93,6 +99,13 @@ public class PotionBrewing {
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public static ItemStack mix(ItemStack ingredient, ItemStack input) {
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if (!input.isEmpty()) {
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+ // Paper start - Custom Potion Mixes
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+ for (var mix : CUSTOM_MIXES.values()) {
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+ if (mix.input().test(input) && mix.ingredient().test(ingredient)) {
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+ return mix.result().copy();
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+ }
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+ }
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+ // Paper end - Custom Potion Mixes
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Potion potion = PotionUtils.getPotion(input);
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Item item = input.getItem();
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@@ -112,6 +125,54 @@ public class PotionBrewing {
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return input;
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}
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+ // Paper start - Custom Potion Mixes
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+ public static boolean isCustomIngredient(ItemStack stack) {
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+ for (var mix : CUSTOM_MIXES.values()) {
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+ if (mix.ingredient().test(stack)) {
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+ return true;
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+ }
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+ }
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+ return false;
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+ }
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+
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+ public static boolean isCustomInput(ItemStack stack) {
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+ for (var mix : CUSTOM_MIXES.values()) {
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+ if (mix.input().test(stack)) {
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+ return true;
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+ }
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+ }
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+ return false;
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+ }
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+
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+ private static boolean hasCustomMix(ItemStack input, ItemStack ingredient) {
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+ for (var mix : CUSTOM_MIXES.values()) {
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+ if (mix.input().test(input) && mix.ingredient().test(ingredient)) {
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+ return true;
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+ }
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+ }
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+ return false;
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+ }
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+
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+ public static void addPotionMix(io.papermc.paper.potion.PotionMix mix) {
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+ if (CUSTOM_MIXES.containsKey(mix.getKey())) {
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+ throw new IllegalArgumentException("Duplicate recipe ignored with ID " + mix.getKey());
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+ }
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+ CUSTOM_MIXES.putAndMoveToFirst(mix.getKey(), new io.papermc.paper.potion.PaperPotionMix(mix));
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+ }
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+
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+ public static boolean removePotionMix(org.bukkit.NamespacedKey key) {
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+ return CUSTOM_MIXES.remove(key) != null;
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+ }
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+
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+ public static void reload() {
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+ POTION_MIXES.clear();
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+ CONTAINER_MIXES.clear();
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+ ALLOWED_CONTAINERS.clear();
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+ CUSTOM_MIXES.clear();
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+ bootStrap();
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+ }
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+ // Paper end - Custom Potion Mixes
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+
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public static void bootStrap() {
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addContainer(Items.POTION);
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addContainer(Items.SPLASH_POTION);
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diff --git a/src/main/java/net/minecraft/world/level/block/entity/BrewingStandBlockEntity.java b/src/main/java/net/minecraft/world/level/block/entity/BrewingStandBlockEntity.java
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index b31d7053abf1d2432b4887dab2bd8f8cc5308554..9bb542ce3a8c52e1688bb1f66fc916dd23a5fd10 100644
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--- a/src/main/java/net/minecraft/world/level/block/entity/BrewingStandBlockEntity.java
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+++ b/src/main/java/net/minecraft/world/level/block/entity/BrewingStandBlockEntity.java
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@@ -341,7 +341,7 @@ public class BrewingStandBlockEntity extends BaseContainerBlockEntity implements
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@Override
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public boolean canPlaceItem(int slot, ItemStack stack) {
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- return slot == 3 ? PotionBrewing.isIngredient(stack) : (slot == 4 ? stack.is(Items.BLAZE_POWDER) : (stack.is(Items.POTION) || stack.is(Items.SPLASH_POTION) || stack.is(Items.LINGERING_POTION) || stack.is(Items.GLASS_BOTTLE)) && this.getItem(slot).isEmpty());
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+ return slot == 3 ? PotionBrewing.isIngredient(stack) : (slot == 4 ? stack.is(Items.BLAZE_POWDER) : (stack.is(Items.POTION) || stack.is(Items.SPLASH_POTION) || stack.is(Items.LINGERING_POTION) || stack.is(Items.GLASS_BOTTLE) || PotionBrewing.isCustomInput(stack)) && this.getItem(slot).isEmpty()); // Paper - Custom Potion Mixes
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}
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@Override
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diff --git a/src/main/java/org/bukkit/craftbukkit/CraftServer.java b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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index f629991fa998d4dab89ed5c3d26b1b7a4f85b5cb..d8bec75e7f5c034051839818f51cdae71863608c 100644
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--- a/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/CraftServer.java
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@@ -306,6 +306,7 @@ public final class CraftServer implements Server {
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private final io.papermc.paper.datapack.PaperDatapackManager datapackManager; // Paper
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public static Exception excessiveVelEx; // Paper - Velocity warnings
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private final io.papermc.paper.logging.SysoutCatcher sysoutCatcher = new io.papermc.paper.logging.SysoutCatcher(); // Paper
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+ private final CraftPotionBrewer potionBrewer = new CraftPotionBrewer(); // Paper - Custom Potion Mixes
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static {
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ConfigurationSerialization.registerClass(CraftOfflinePlayer.class);
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@@ -332,7 +333,7 @@ public final class CraftServer implements Server {
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CraftRegistry.setMinecraftRegistry(console.registryAccess());
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- Potion.setPotionBrewer(new CraftPotionBrewer());
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+ Potion.setPotionBrewer(potionBrewer); // Paper - Custom Potion Mixes
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// Ugly hack :(
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if (!Main.useConsole) {
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@@ -3079,5 +3080,10 @@ public final class CraftServer implements Server {
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return datapackManager;
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}
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+ @Override
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+ public CraftPotionBrewer getPotionBrewer() {
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+ return this.potionBrewer;
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+ }
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+
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// Paper end
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}
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diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java
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index 139dff90561ac6c51954c6289918a07aeea13a1b..6ba29875d78ede4aa7978ff689e588f7fed11528 100644
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--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java
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+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftRecipe.java
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@@ -15,6 +15,11 @@ public interface CraftRecipe extends Recipe {
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void addToCraftingManager();
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default Ingredient toNMS(RecipeChoice bukkit, boolean requireNotEmpty) {
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+ // Paper start
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+ return toIngredient(bukkit, requireNotEmpty);
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+ }
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+ static Ingredient toIngredient(RecipeChoice bukkit, boolean requireNotEmpty) {
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+ // Paper end
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Ingredient stack;
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if (bukkit == null) {
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diff --git a/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionBrewer.java b/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionBrewer.java
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index 09ac71b6b41c757832792d9ea8ac9288f8a7404f..2909a2736a0c9d863c7ab01e0ec259f7952080cc 100644
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--- a/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionBrewer.java
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+++ b/src/main/java/org/bukkit/craftbukkit/potion/CraftPotionBrewer.java
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@@ -28,4 +28,21 @@ public class CraftPotionBrewer implements PotionBrewer {
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public PotionEffect createEffect(PotionEffectType potion, int duration, int amplifier) {
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return new PotionEffect(potion, potion.isInstant() ? 1 : (int) (duration * potion.getDurationModifier()), amplifier);
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}
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+
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+ // Paper start
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+ @Override
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+ public void addPotionMix(io.papermc.paper.potion.PotionMix potionMix) {
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+ net.minecraft.world.item.alchemy.PotionBrewing.addPotionMix(potionMix);
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+ }
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+
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+ @Override
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+ public void removePotionMix(org.bukkit.NamespacedKey key) {
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+ net.minecraft.world.item.alchemy.PotionBrewing.removePotionMix(key);
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+ }
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+
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+ @Override
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+ public void resetPotionMixes() {
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+ net.minecraft.world.item.alchemy.PotionBrewing.reload();
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+ }
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+ // Paper end
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}
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