13
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geforkt von Mirrors/Paper
Paper/patches/server/0982-Add-drops-to-shear-events.patch
Nassim Jahnke fe53b0e76f
Updated Upstream (Bukkit/CraftBukkit/Spigot)
Upstream has released updates that appear to apply and compile correctly.
This update has not been tested by PaperMC and as with ANY update, please do your own testing

Bukkit Changes:
1d522878 PR-966: Introduce getRespawnLocation as a replacement for getBedSpawnLocation
cc01b745 PR-965: Add DragonBattle#setPreviouslyKilled
28e3702f SPIGOT-6921, PR-957: Add methods to remove all enchantments on an ItemStack
8872404e PR-961: Add BlockData#copyTo
4054cc7b PR-956: Add method to get an offline player's location

CraftBukkit Changes:
292ec79e0 SPIGOT-7568: Call EntityChangeBlockEvent for DecoratedPot
b44bf5aa8 SPIGOT-7575: SuspiciousStewMeta creates invalid PotionEffect data
161784713 PR-1340: Centralize the conversion from and to Minecraft / Bukkit registry items even more and add a test case for them
b93c5a30d PR-1338: Introduce getRespawnLocation as a replacement for getBedSpawnLocation
fb973486c SPIGOT-7570: PrepareItemCraftEvent#isRepair() always returns false
c9c24535e PR-1337: Add DragonBattle#setPreviouslyKilled
c8b4da803 SPIGOT-6921, PR-1330: Add methods to remove all enchantments on an ItemStack
95bc1c4f5 PR-1333: Add BlockData#copyTo
36e2f9ce1 PR-1329: Add method to get an offline player's location

Spigot Changes:
c198da22 SPIGOT-7563: Update to latest release of bungeecord-chat
2024-01-26 20:19:17 +01:00

326 Zeilen
18 KiB
Diff

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 45d356c1ed888b4d749379ceaa8a95d7d7c876d5..8d65cdb013706a932c2c73231108b2810b99e1c7 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 (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());
+ if (event.isCancelled()) {
+ // Paper end - Add drops to shear events
continue;
}
// CraftBukkit end
- ishearable.shear(SoundSource.BLOCKS);
+ ishearable.shear(SoundSource.BLOCKS, CraftItemStack.asNMSCopy(event.getDrops())); // Paper - Add drops to shear events
worldserver.gameEvent((Entity) null, 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
index 5e8cc5cfac8888628c6d513148f41be09ca65a2c..2ee48ac3b665db2b02bcb1a30ec972d43a3725b0 100644
--- a/src/main/java/net/minecraft/world/entity/Shearable.java
+++ b/src/main/java/net/minecraft/world/entity/Shearable.java
@@ -3,7 +3,13 @@ package net.minecraft.world.entity;
import net.minecraft.sounds.SoundSource;
public interface Shearable {
+ default void shear(SoundSource soundCategory, java.util.List<net.minecraft.world.item.ItemStack> drops) { this.shear(soundCategory); } // Paper - Add drops to shear events
void shear(SoundSource shearedSoundCategory);
boolean readyForShearing();
+ // Paper start - custom shear drops; ensure all implementing entities override this
+ default java.util.List<net.minecraft.world.item.ItemStack> generateDefaultDrops() {
+ 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
index e42b0b19019ef74733fd19b08f882cccff920142..7a82ba6e29fde33841c049e8520300aa66608f34 100644
--- a/src/main/java/net/minecraft/world/entity/animal/MushroomCow.java
+++ b/src/main/java/net/minecraft/world/entity/animal/MushroomCow.java
@@ -122,11 +122,18 @@ public class MushroomCow extends Cow implements Shearable, VariantHolder<Mushroo
return InteractionResult.sidedSuccess(this.level().isClientSide);
} else if (itemstack.is(Items.SHEARS) && this.readyForShearing()) {
// CraftBukkit start
- if (!CraftEventFactory.handlePlayerShearEntityEvent(player, this, itemstack, hand)) {
- return InteractionResult.PASS;
+ // Paper start - custom shear drops
+ List<ItemStack> drops = this.generateDefaultDrops();
+ 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(SoundSource.PLAYERS);
+ this.shear(SoundSource.PLAYERS, drops); // Paper - custom shear drops
this.gameEvent(GameEvent.SHEAR, player);
if (!this.level().isClientSide) {
itemstack.hurtAndBreak(1, player, (entityhuman1) -> {
@@ -167,6 +174,22 @@ public class MushroomCow extends Cow implements Shearable, VariantHolder<Mushroo
@Override
public void shear(SoundSource shearedSoundCategory) {
+ // Paper start - custom shear drops
+ this.shear(shearedSoundCategory, this.generateDefaultDrops());
+ }
+
+ @Override
+ public List<ItemStack> generateDefaultDrops() {
+ List<ItemStack> dropEntities = new java.util.ArrayList<>(5);
+ for (int i = 0; i < 5; ++i) {
+ dropEntities.add(new ItemStack(this.getVariant().getBlockState().getBlock()));
+ }
+ return dropEntities;
+ }
+
+ @Override
+ public void shear(SoundSource shearedSoundCategory, List<ItemStack> drops) { // If drops is null, need to generate drops
+ // Paper end - custom shear drops
this.level().playSound((Player) null, (Entity) this, SoundEvents.MOOSHROOM_SHEAR, shearedSoundCategory, 1.0F, 1.0F);
if (!this.level().isClientSide()) {
Cow entitycow = (Cow) EntityType.COW.create(this.level());
@@ -196,17 +219,12 @@ public class MushroomCow extends Cow implements Shearable, VariantHolder<Mushroo
this.discard(); // CraftBukkit - from above
// CraftBukkit end
- for (int i = 0; i < 5; ++i) {
- // CraftBukkit start
- ItemEntity entityitem = new ItemEntity(this.level(), this.getX(), this.getY(1.0D), this.getZ(), new ItemStack(this.getVariant().blockState.getBlock()));
- EntityDropItemEvent event = new EntityDropItemEvent(this.getBukkitEntity(), (org.bukkit.entity.Item) entityitem.getBukkitEntity());
- Bukkit.getPluginManager().callEvent(event);
- if (event.isCancelled()) {
- continue;
- }
- this.level().addFreshEntity(entityitem);
- // CraftBukkit end
+ // Paper start - custom shear drops; moved drop generation to separate method
+ for (final ItemStack drop : drops) {
+ ItemEntity entityitem = new ItemEntity(this.level(), this.getX(), this.getY(1.0D), this.getZ(), drop);
+ this.spawnAtLocation(entityitem);
}
+ // Paper end - custom shear drops
}
}
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 55afa58f3df53ce548c7484d8fff62c903f9dc07..1d80678f7e8f658e43616f0baf723f096a99122a 100644
--- a/src/main/java/net/minecraft/world/entity/animal/Sheep.java
+++ b/src/main/java/net/minecraft/world/entity/animal/Sheep.java
@@ -253,11 +253,18 @@ public class Sheep extends Animal implements Shearable {
if (itemstack.is(Items.SHEARS)) {
if (!this.level().isClientSide && 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();
+ 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(SoundSource.PLAYERS);
+ this.shear(SoundSource.PLAYERS, drops); // Paper
this.gameEvent(GameEvent.SHEAR, player);
itemstack.hurtAndBreak(1, player, (entityhuman1) -> {
entityhuman1.broadcastBreakEvent(hand);
@@ -273,13 +280,30 @@ public class Sheep extends Animal implements Shearable {
@Override
public void shear(SoundSource shearedSoundCategory) {
+ // Paper start - custom shear drops
+ this.shear(shearedSoundCategory, this.generateDefaultDrops());
+ }
+
+ @Override
+ public java.util.List<ItemStack> generateDefaultDrops() {
+ int count = 1 + this.random.nextInt(3);
+ java.util.List<ItemStack> dropEntities = new java.util.ArrayList<>(count);
+ for (int j = 0; j < count; ++j) {
+ dropEntities.add(new ItemStack(Sheep.ITEM_BY_DYE.get(this.getColor())));
+ }
+ return dropEntities;
+ }
+
+ @Override
+ public void shear(SoundSource shearedSoundCategory, java.util.List<ItemStack> drops) {
+ // Paper end - custom shear drops
this.level().playSound((Player) null, (Entity) this, SoundEvents.SHEEP_SHEAR, shearedSoundCategory, 1.0F, 1.0F);
this.setSheared(true);
int i = 1 + this.random.nextInt(3);
- for (int j = 0; j < i; ++j) {
+ for (final ItemStack drop : drops) { // Paper - custom shear drops (moved drop generation to separate method)
this.forceDrops = true; // CraftBukkit
- ItemEntity entityitem = this.spawnAtLocation((ItemLike) Sheep.ITEM_BY_DYE.get(this.getColor()), 1);
+ ItemEntity entityitem = this.spawnAtLocation(drop, 1); // Paper - custom shear drops
this.forceDrops = false; // CraftBukkit
if (entityitem != null) {
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 8adcfc8f6772a32b5915e4a07100e8eb735f907a..b5d6857eaf2bed14adcb5f5e80d91b44eb8b0dcc 100644
--- a/src/main/java/net/minecraft/world/entity/animal/SnowGolem.java
+++ b/src/main/java/net/minecraft/world/entity/animal/SnowGolem.java
@@ -153,11 +153,18 @@ public class SnowGolem extends AbstractGolem implements Shearable, RangedAttackM
if (itemstack.is(Items.SHEARS) && 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();
+ 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(SoundSource.PLAYERS);
+ this.shear(SoundSource.PLAYERS, drops); // Paper
this.gameEvent(GameEvent.SHEAR, player);
if (!this.level().isClientSide) {
itemstack.hurtAndBreak(1, player, (entityhuman1) -> {
@@ -173,12 +180,28 @@ public class SnowGolem extends AbstractGolem implements Shearable, RangedAttackM
@Override
public void shear(SoundSource shearedSoundCategory) {
+ // Paper start - custom shear drops
+ this.shear(shearedSoundCategory, this.generateDefaultDrops());
+ }
+
+ @Override
+ public java.util.List<ItemStack> generateDefaultDrops() {
+ return java.util.Collections.singletonList(new ItemStack(Items.CARVED_PUMPKIN));
+ }
+
+ @Override
+ public void shear(SoundSource shearedSoundCategory, java.util.List<ItemStack> drops) {
+ // Paper end - custom shear drops
this.level().playSound((Player) null, (Entity) this, SoundEvents.SNOW_GOLEM_SHEAR, shearedSoundCategory, 1.0F, 1.0F);
if (!this.level().isClientSide()) {
this.setPumpkin(false);
- this.forceDrops = true; // CraftBukkit
- this.spawnAtLocation(new ItemStack(Items.CARVED_PUMPKIN), 1.7F);
- this.forceDrops = false; // CraftBukkit
+ // Paper start - custom shear drops (moved drop generation to separate method)
+ for (final ItemStack drop : drops) {
+ this.forceDrops = true;
+ this.spawnAtLocation(drop, 1.7F);
+ this.forceDrops = false;
+ }
+ // Paper end - custom shear drops
}
}
diff --git a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
index 93f79e5c7244fc155364a35a75a62d42f2d1ee27..b9e90f589749dfc9324c4aa2062c505fbd4447bc 100644
--- a/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
+++ b/src/main/java/org/bukkit/craftbukkit/event/CraftEventFactory.java
@@ -1716,20 +1716,20 @@ public class CraftEventFactory {
return 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, 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 e1f9a603e7adf3468faa9bb6d93dd3339327b47e..fdb2c65ca47df95ef5735216eb9b1c1380e41f32 100644
--- a/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
+++ b/src/main/java/org/bukkit/craftbukkit/inventory/CraftItemStack.java
@@ -61,6 +61,15 @@ 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> nms = new java.util.ArrayList<>();
+ for (final org.bukkit.inventory.ItemStack original : originals) {
+ nms.add(asNMSCopy(original));
+ }
+ return nms;
+ }
+ // 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();
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..e612515f7709dbe5d1fa5751337cdc34fce10a98
--- /dev/null
+++ b/src/test/java/io/papermc/paper/entity/ShearableDropsTest.java
@@ -0,0 +1,34 @@
+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.AbstractTestingBase;
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.MethodSource;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+class ShearableDropsTest extends AbstractTestingBase {
+
+ 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");
+ }
+}