2024-10-24 12:11:32 +02:00
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Jake Potrebic <jake.m.potrebic@gmail.com>
Date: Tue, 18 May 2021 12:32:02 -0700
Subject: [PATCH] Add drops to shear events
diff --git a/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java b/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
index 9b5a1dc958232e4c2c9631f3504edc6383afd92a..f5206e4176f58cff4cfe70c94f014afebc98c589 100644
--- a/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
+++ b/src/main/java/net/minecraft/core/dispenser/ShearsDispenseItemBehavior.java
@@ -103,11 +103,14 @@ public class ShearsDispenseItemBehavior extends OptionalDispenseItemBehavior {
if (entityliving instanceof Shearable ishearable) {
if (ishearable.readyForShearing()) {
// CraftBukkit start
- if (CraftEventFactory.callBlockShearEntityEvent(entityliving, bukkitBlock, craftItem).isCancelled()) {
+ // Paper start - Add drops to shear events
+ org.bukkit.event.block.BlockShearEntityEvent event = CraftEventFactory.callBlockShearEntityEvent(entityliving, bukkitBlock, craftItem, ishearable.generateDefaultDrops(worldserver, itemstack));
+ if (event.isCancelled()) {
+ // Paper end - Add drops to shear events
continue;
}
// CraftBukkit end
- ishearable.shear(worldserver, SoundSource.BLOCKS, itemstack);
+ ishearable.shear(worldserver, SoundSource.BLOCKS, itemstack, CraftItemStack.asNMSCopy(event.getDrops())); // Paper - Add drops to shear events
worldserver.gameEvent((Entity) null, (Holder) GameEvent.SHEAR, blockposition);
return true;
}
diff --git a/src/main/java/net/minecraft/world/entity/Shearable.java b/src/main/java/net/minecraft/world/entity/Shearable.java
2024-10-25 17:08:48 +02:00
index 35076593f3ccd651295ae1fc9bcf8256c19672dd..8fda407c9fbfdde623564a7d9607275c4894b744 100644
2024-10-24 12:11:32 +02:00
--- a/src/main/java/net/minecraft/world/entity/Shearable.java
+++ b/src/main/java/net/minecraft/world/entity/Shearable.java
2024-10-25 17:08:48 +02:00
@@ -5,8 +5,15 @@ import net.minecraft.sounds.SoundSource;
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import net.minecraft.world.item.ItemStack;
public interface Shearable {
+ default void shear(ServerLevel world, SoundSource soundCategory, ItemStack shears, java.util.List<net.minecraft.world.item.ItemStack> drops) { this.shear(world, soundCategory, shears); } // Paper - Add drops to shear events
void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears);
boolean readyForShearing();
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net.minecraft.world.level.Level level(); // Shearable API - expose default level needed for shearing.
+
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+ // Paper start - custom shear drops; ensure all implementing entities override this
+ default java.util.List<net.minecraft.world.item.ItemStack> generateDefaultDrops(final ServerLevel serverLevel, final ItemStack shears) {
+ return java.util.Collections.emptyList();
+ }
+ // Paper end - custom shear drops
}
diff --git a/src/main/java/net/minecraft/world/entity/animal/MushroomCow.java b/src/main/java/net/minecraft/world/entity/animal/MushroomCow.java
2024-10-25 13:52:04 +02:00
index d4d343e2d75a3e3ea787c3c68c64970f5b239f81..feeb7bc34ae02e44d7f13f0bae5d175ef924c53a 100644
2024-10-24 12:11:32 +02:00
--- a/src/main/java/net/minecraft/world/entity/animal/MushroomCow.java
+++ b/src/main/java/net/minecraft/world/entity/animal/MushroomCow.java
@@ -46,6 +46,7 @@ import net.minecraft.world.level.storage.loot.BuiltInLootTables;
// CraftBukkit start
import org.bukkit.Bukkit;
import org.bukkit.craftbukkit.event.CraftEventFactory;
+import org.bukkit.craftbukkit.inventory.CraftItemStack;
import org.bukkit.event.entity.EntityDropItemEvent;
import org.bukkit.event.entity.EntityTransformEvent;
// CraftBukkit end
@@ -128,11 +129,18 @@ public class MushroomCow extends Cow implements Shearable, VariantHolder<Mushroo
ServerLevel worldserver = (ServerLevel) world;
// CraftBukkit start
- if (!CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand)) {
- return InteractionResult.PASS;
+ // Paper start - custom shear drops
+ java.util.List<ItemStack> drops = this.generateDefaultDrops(worldserver, itemstack);
+ org.bukkit.event.player.PlayerShearEntityEvent event = CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand, drops);
+ if (event != null) {
+ if (event.isCancelled()) {
+ return InteractionResult.PASS;
+ }
+ drops = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(event.getDrops());
+ // Paper end - custom shear drops
}
// CraftBukkit end
- this.shear(worldserver, SoundSource.PLAYERS, itemstack);
+ this.shear(worldserver, SoundSource.PLAYERS, itemstack, drops); // Paper - custom shear drops
this.gameEvent(GameEvent.SHEAR, player);
itemstack.hurtAndBreak(1, player, getSlotForHand(hand));
}
@@ -168,22 +176,32 @@ public class MushroomCow extends Cow implements Shearable, VariantHolder<Mushroo
@Override
public void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears) {
+ // Paper start - custom shear drops
+ this.shear(world, shearedSoundCategory, shears, this.generateDefaultDrops(world, shears));
+ }
+
+ @Override
+ public java.util.List<ItemStack> generateDefaultDrops(final ServerLevel serverLevel, final ItemStack shears) {
+ final java.util.List<ItemStack> drops = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
+ this.dropFromShearingLootTable(serverLevel, BuiltInLootTables.SHEAR_MOOSHROOM, shears, (ignored, stack) -> {
+ for (int i = 0; i < stack.getCount(); ++i) drops.add(stack.copyWithCount(1));
+ });
+ return drops;
+ }
+
+ @Override
+ public void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears, java.util.List<ItemStack> drops) {
+ // Paper end - custom shear drops
world.playSound((Player) null, (Entity) this, SoundEvents.MOOSHROOM_SHEAR, shearedSoundCategory, 1.0F, 1.0F);
this.convertTo(EntityType.COW, ConversionParams.single(this, false, false), (entitycow) -> {
world.sendParticles(ParticleTypes.EXPLOSION, this.getX(), this.getY(0.5D), this.getZ(), 1, 0.0D, 0.0D, 0.0D, 0.0D);
- this.dropFromShearingLootTable(world, BuiltInLootTables.SHEAR_MOOSHROOM, shears, (worldserver1, itemstack1) -> {
- for (int i = 0; i < itemstack1.getCount(); ++i) {
- // CraftBukkit start
- ItemEntity entityitem = new ItemEntity(this.level(), this.getX(), this.getY(1.0D), this.getZ(), itemstack1.copyWithCount(1));
- EntityDropItemEvent event = new EntityDropItemEvent(this.getBukkitEntity(), (org.bukkit.entity.Item) entityitem.getBukkitEntity());
- Bukkit.getPluginManager().callEvent(event);
- if (event.isCancelled()) {
- continue;
- }
- worldserver1.addFreshEntity(entityitem);
- // CraftBukkit end
+ // Paper start - custom shear drops; moved drop generation to separate method
+ drops.forEach(itemstack1 -> {
+ for (final ItemStack drop : drops) {
+ ItemEntity entityitem = new ItemEntity(this.level(), this.getX(), this.getY(1.0D), this.getZ(), drop);
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+ this.spawnAtLocation(world, entityitem);
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}
-
+ // Paper end - custom shear drops; moved drop generation to separate method
});
}, EntityTransformEvent.TransformReason.SHEARED, org.bukkit.event.entity.CreatureSpawnEvent.SpawnReason.SHEARED); // CraftBukkit
}
diff --git a/src/main/java/net/minecraft/world/entity/animal/Sheep.java b/src/main/java/net/minecraft/world/entity/animal/Sheep.java
index 1bc638ab505850bffcbd08025de9664dd27e47c6..432ad1c785e133ef18390108fd342be50ec4dddc 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Sheep.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Sheep.java
@@ -173,11 +173,18 @@ public class Sheep extends Animal implements Shearable {
if (this.readyForShearing()) {
// CraftBukkit start
- if (!CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand)) {
- return InteractionResult.PASS;
+ // Paper start - custom shear drops
+ java.util.List<ItemStack> drops = this.generateDefaultDrops(worldserver, itemstack);
+ org.bukkit.event.player.PlayerShearEntityEvent event = CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand, drops);
+ if (event != null) {
+ if (event.isCancelled()) {
+ return InteractionResult.PASS;
+ }
+ drops = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(event.getDrops());
+ // Paper end - custom shear drops
}
// CraftBukkit end
- this.shear(worldserver, SoundSource.PLAYERS, itemstack);
+ this.shear(worldserver, SoundSource.PLAYERS, itemstack, drops); // Paper - custom shear drops
this.gameEvent(GameEvent.SHEAR, player);
itemstack.hurtAndBreak(1, player, getSlotForHand(hand));
return InteractionResult.SUCCESS_SERVER;
@@ -192,9 +199,26 @@ public class Sheep extends Animal implements Shearable {
@Override
public void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears) {
+ // Paper start - custom shear drops
+ this.shear(world, shearedSoundCategory, shears, this.generateDefaultDrops(world, shears));
+ }
+
+ @Override
+ public java.util.List<ItemStack> generateDefaultDrops(final ServerLevel serverLevel, final ItemStack shears) {
+ final java.util.List<ItemStack> drops = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
+ this.dropFromShearingLootTable(serverLevel, BuiltInLootTables.SHEAR_SHEEP, shears, (ignored, stack) -> {
+ for (int i = 0; i < stack.getCount(); ++i) drops.add(stack.copyWithCount(1));
+ });
+ return drops;
+ }
+
+ @Override
+ public void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears, java.util.List<ItemStack> drops) {
+ final ServerLevel worldserver1 = world; // Named for lambda consumption
+ // Paper end - custom shear drops
world.playSound((Player) null, (Entity) this, SoundEvents.SHEEP_SHEAR, shearedSoundCategory, 1.0F, 1.0F);
- this.dropFromShearingLootTable(world, BuiltInLootTables.SHEAR_SHEEP, shears, (worldserver1, itemstack1) -> {
- for (int i = 0; i < itemstack1.getCount(); ++i) {
+ drops.forEach(itemstack1 -> { // Paper - custom drops - loop in generated default drops
+ if (true) { // Paper - custom drops - loop in generated default drops
this.forceDrops = true; // CraftBukkit
ItemEntity entityitem = this.spawnAtLocation(worldserver1, itemstack1.copyWithCount(1), 1.0F);
this.forceDrops = false; // CraftBukkit
diff --git a/src/main/java/net/minecraft/world/entity/animal/SnowGolem.java b/src/main/java/net/minecraft/world/entity/animal/SnowGolem.java
index 975a9e35303bec29aedfbd554c38e4331cdfb174..fd9f6c17448a4d87f940eb8f544ecb9669068582 100644
--- a/src/main/java/net/minecraft/world/entity/animal/SnowGolem.java
+++ b/src/main/java/net/minecraft/world/entity/animal/SnowGolem.java
@@ -161,11 +161,18 @@ public class SnowGolem extends AbstractGolem implements Shearable, RangedAttackM
ServerLevel worldserver = (ServerLevel) world;
// CraftBukkit start
- if (!CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand)) {
- return InteractionResult.PASS;
+ // Paper start - custom shear drops
+ java.util.List<ItemStack> drops = this.generateDefaultDrops(worldserver, itemstack);
+ org.bukkit.event.player.PlayerShearEntityEvent event = CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand, drops);
+ if (event != null) {
+ if (event.isCancelled()) {
+ return InteractionResult.PASS;
+ }
+ drops = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(event.getDrops());
+ // Paper end - custom shear drops
}
// CraftBukkit end
- this.shear(worldserver, SoundSource.PLAYERS, itemstack);
+ this.shear(worldserver, SoundSource.PLAYERS, itemstack, drops); // Paper - custom shear drops
this.gameEvent(GameEvent.SHEAR, player);
itemstack.hurtAndBreak(1, player, getSlotForHand(hand));
}
@@ -178,9 +185,26 @@ public class SnowGolem extends AbstractGolem implements Shearable, RangedAttackM
@Override
public void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears) {
+ // Paper start - custom shear drops
+ this.shear(world, shearedSoundCategory, shears, this.generateDefaultDrops(world, shears));
+ }
+
+ @Override
+ public java.util.List<ItemStack> generateDefaultDrops(final ServerLevel serverLevel, final ItemStack shears) {
+ final java.util.List<ItemStack> drops = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
+ this.dropFromShearingLootTable(serverLevel, BuiltInLootTables.SHEAR_SNOW_GOLEM, shears, (ignored, stack) -> {
+ drops.add(stack);
+ });
+ return drops;
+ }
+
+ @Override
+ public void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears, java.util.List<ItemStack> drops) {
+ final ServerLevel worldserver1 = world; // Named for lambda consumption
+ // Paper end - custom shear drops
world.playSound((Player) null, (Entity) this, SoundEvents.SNOW_GOLEM_SHEAR, shearedSoundCategory, 1.0F, 1.0F);
this.setPumpkin(false);
- this.dropFromShearingLootTable(world, BuiltInLootTables.SHEAR_SNOW_GOLEM, shears, (worldserver1, itemstack1) -> {
+ drops.forEach(itemstack1 -> { // Paper - custom shear drops
this.forceDrops = true; // CraftBukkit
this.spawnAtLocation(worldserver1, itemstack1, this.getEyeHeight());
this.forceDrops = false; // CraftBukkit
diff --git a/src/main/java/net/minecraft/world/entity/monster/Bogged.java b/src/main/java/net/minecraft/world/entity/monster/Bogged.java
index 9d416f775fa19ad1978c7c9c9e0d5bc16728879d..18dae37d65552077aa3825c76f433bbd31152db9 100644
--- a/src/main/java/net/minecraft/world/entity/monster/Bogged.java
+++ b/src/main/java/net/minecraft/world/entity/monster/Bogged.java
@@ -27,6 +27,7 @@ import net.minecraft.world.item.Items;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.gameevent.GameEvent;
import net.minecraft.world.level.storage.loot.BuiltInLootTables;
+import org.bukkit.craftbukkit.event.CraftEventFactory;
public class Bogged extends AbstractSkeleton implements Shearable {
@@ -80,12 +81,19 @@ public class Bogged extends AbstractSkeleton implements Shearable {
ServerLevel worldserver = (ServerLevel) world;
// CraftBukkit start
- if (!org.bukkit.craftbukkit.event.CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand)) {
- this.getEntityData().markDirty(Bogged.DATA_SHEARED); // CraftBukkit - mark dirty to restore sheared state to clients
- return InteractionResult.PASS;
+ // Paper start - custom shear drops
+ java.util.List<ItemStack> drops = this.generateDefaultDrops(worldserver, itemstack);
+ org.bukkit.event.player.PlayerShearEntityEvent event = CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand, drops);
+ if (event != null) {
+ if (event.isCancelled()) {
+ this.getEntityData().markDirty(Bogged.DATA_SHEARED); // CraftBukkit - mark dirty to restore sheared state to clients
+ return InteractionResult.PASS;
+ }
+ drops = org.bukkit.craftbukkit.inventory.CraftItemStack.asNMSCopy(event.getDrops());
+ // Paper end - custom shear drops
}
// CraftBukkit end
- this.shear(worldserver, SoundSource.PLAYERS, itemstack);
+ this.shear(worldserver, SoundSource.PLAYERS, itemstack, drops); // Paper - custom shear drops
this.gameEvent(GameEvent.SHEAR, player);
itemstack.hurtAndBreak(1, player, getSlotForHand(hand));
}
@@ -139,13 +147,32 @@ public class Bogged extends AbstractSkeleton implements Shearable {
@Override
public void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears) {
+ // Paper start - custom shear drops
+ this.shear(world, shearedSoundCategory, shears, this.generateDefaultDrops(world, shears));
+ }
+
+ @Override
+ public java.util.List<ItemStack> generateDefaultDrops(final ServerLevel serverLevel, final ItemStack shears) {
+ final java.util.List<ItemStack> drops = new it.unimi.dsi.fastutil.objects.ObjectArrayList<>();
+ this.dropFromShearingLootTable(serverLevel, BuiltInLootTables.BOGGED_SHEAR, shears, (ignored, stack) -> {
+ drops.add(stack);
+ });
+ return drops;
+ }
+
+ @Override
+ public void shear(ServerLevel world, SoundSource shearedSoundCategory, ItemStack shears, java.util.List<ItemStack> drops) {
+ // Paper end - custom shear drops
world.playSound((Player) null, (Entity) this, SoundEvents.BOGGED_SHEAR, shearedSoundCategory, 1.0F, 1.0F);
- this.spawnShearedMushrooms(world, shears);
+ this.spawnShearedMushrooms(world, shears, drops); // Paper - custom shear drops
this.setSheared(true);
}
- private void spawnShearedMushrooms(ServerLevel world, ItemStack shears) {
- this.dropFromShearingLootTable(world, BuiltInLootTables.BOGGED_SHEAR, shears, (worldserver1, itemstack1) -> {
+ // Paper start - custom shear drops
+ private void spawnShearedMushrooms(ServerLevel world, ItemStack shears, java.util.List<ItemStack> drops) {
+ final ServerLevel worldserver1 = world; // Named for lambda consumption
+ drops.forEach(itemstack1 -> {
+ // Paper end - custom shear drops
this.spawnAtLocation(worldserver1, itemstack1, this.getBbHeight());
});
}
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
2024-10-25 20:09:45 +02:00
index a0455f590d549343d6d8fd7991ba1b87a87acdb8..e7749a3ef6289d73379649f2f76f4e4fdfac7a8b 100644
2024-10-24 12:11:32 +02:00
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1689,20 +1689,20 @@ public class CraftEventFactory {
player.level().getCraftServer().getPluginManager().callEvent(event);
}
- public static BlockShearEntityEvent callBlockShearEntityEvent(Entity animal, org.bukkit.block.Block dispenser, CraftItemStack is) {
- BlockShearEntityEvent bse = new BlockShearEntityEvent(dispenser, animal.getBukkitEntity(), is);
+ public static BlockShearEntityEvent callBlockShearEntityEvent(Entity animal, org.bukkit.block.Block dispenser, CraftItemStack is, List<ItemStack> drops) { // Paper - custom shear drops
+ BlockShearEntityEvent bse = new BlockShearEntityEvent(dispenser, animal.getBukkitEntity(), is, Lists.transform(drops, CraftItemStack::asCraftMirror)); // Paper - custom shear drops
Bukkit.getPluginManager().callEvent(bse);
return bse;
}
- public static boolean handlePlayerShearEntityEvent(net.minecraft.world.entity.player.Player player, Entity sheared, ItemStack shears, InteractionHand hand) {
+ public static PlayerShearEntityEvent handlePlayerShearEntityEvent(net.minecraft.world.entity.player.Player player, Entity sheared, ItemStack shears, InteractionHand hand, List<ItemStack> drops) { // Paper - custom shear drops
if (!(player instanceof ServerPlayer)) {
- return true;
+ return null; // Paper - custom shear drops
}
- PlayerShearEntityEvent event = new PlayerShearEntityEvent((Player) player.getBukkitEntity(), sheared.getBukkitEntity(), CraftItemStack.asCraftMirror(shears), (hand == InteractionHand.OFF_HAND ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND));
+ PlayerShearEntityEvent event = new PlayerShearEntityEvent((Player) player.getBukkitEntity(), sheared.getBukkitEntity(), CraftItemStack.asCraftMirror(shears), (hand == InteractionHand.OFF_HAND ? EquipmentSlot.OFF_HAND : EquipmentSlot.HAND), Lists.transform(drops, CraftItemStack::asCraftMirror)); // Paper - custom shear drops
Bukkit.getPluginManager().callEvent(event);
- return !event.isCancelled();
+ return event; // Paper - custom shear drops
}
public static Cancellable handleStatisticsIncrease(net.minecraft.world.entity.player.Player entityHuman, net.minecraft.stats.Stat<?> statistic, int current, int newValue) {
diff --git a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
index 0b7bc5e83634a26ac6521694377b554c74c6bff0..ffd7ba14be38a117f5a7d7035a8d71a20fb1c4fc 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -74,6 +74,16 @@ public final class CraftItemStack extends ItemStack {
return stack;
}
+ // Paper start
+ public static java.util.List<net.minecraft.world.item.ItemStack> asNMSCopy(java.util.List<? extends ItemStack> originals) {
+ final java.util.List<net.minecraft.world.item.ItemStack> items = new java.util.ArrayList<>(originals.size());
+ for (final ItemStack original : originals) {
+ items.add(asNMSCopy(original));
+ }
+ return items;
+ }
+ // Paper end
+
public static net.minecraft.world.item.ItemStack copyNMSStack(net.minecraft.world.item.ItemStack original, int amount) {
net.minecraft.world.item.ItemStack stack = original.copy();
stack.setCount(amount);
diff --git a/src/test/java/io/papermc/paper/entity/ShearableDropsTest.java b/src/test/java/io/papermc/paper/entity/ShearableDropsTest.java
new file mode 100644
index 0000000000000000000000000000000000000000..5e6dfc93c86ec369b686f15ca066478e1635dbc3
--- /dev/null
+++ b/src/test/java/io/papermc/paper/entity/ShearableDropsTest.java
@@ -0,0 +1,35 @@
+package io.papermc.paper.entity;
+
+import io.github.classgraph.ClassGraph;
+import io.github.classgraph.ClassInfo;
+import io.github.classgraph.MethodInfoList;
+import io.github.classgraph.ScanResult;
+import java.util.ArrayList;
+import net.minecraft.world.entity.Shearable;
+import org.bukkit.support.environment.Normal;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@Normal
+class ShearableDropsTest {
+
+ static Iterable<ClassInfo> parameters() {
+ try (ScanResult scanResult = new ClassGraph()
+ .enableClassInfo()
+ .enableMethodInfo()
+ .whitelistPackages("net.minecraft")
+ .scan()
+ ) {
+ return new ArrayList<>(scanResult.getClassesImplementing(Shearable.class.getName()));
+ }
+ }
+
+ @ParameterizedTest
+ @MethodSource("parameters")
+ void checkShearableDropOverrides(final ClassInfo classInfo) {
+ final MethodInfoList generateDefaultDrops = classInfo.getDeclaredMethodInfo("generateDefaultDrops");
+ assertEquals(1, generateDefaultDrops.size(), classInfo.getName() + " doesn't implement Shearable#generateDefaultDrops");
+ }
+}
