Paper/patches/server/0712-Custom-Potion-Mixes.patch
Owen 89d51d5f29
Allow enabling sand duping (#10191)
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.
2024-03-03 17:05:34 -05:00

248 lines
12 KiB
Diff

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