Updated Upstream (Bukkit/CraftBukkit)

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:
304e83eb PR-1002: Improve documentation and implementation of getMaxStackSize
e8215ea2 SPIGOT-7638: Library loader does not seem to resolve every dependency
79c595c0 SPIGOT-7637: Bad logic in checking nullability of AttributeModifier slots

CraftBukkit Changes:
91b1fc3f1 SPIGOT-7644: Fix ItemMeta#getAsString
4e77a81e1 SPIGOT-7615: PlayerLeashEntityEvent cancelled eats lead
996f660f3 Do not remove leash knot if leasing to an existing leash knot gets cancelled
f70367d42 SPIGOT-7643: Fix inverted leash event cancelled usage and remove leash knot if no entity gets leashed
7ddb48294 SPIGOT-7640: Abnormal jumping height of wind charge
080c8711e SPIGOT-7639: Incoming plugin channels not working
ad549847e Open a direct connection instead of pinging mojang server to check if it is reachable
38e2926c5 SPIGOT-7365: DamageCause blocked by shield should trigger invulnerableTime

gradle.properties

@@ -3,7 +3,7 @@ version=1.20.5-R0.1-SNAPSHOT
 mcVersion=1.20.5
 
 # Set to true while updating Minecraft version
-updatingMinecraft=true
+updatingMinecraft=false
 
 org.gradle.caching=true
 org.gradle.parallel=true

paper-api-generator/build.gradle.kts

@@ -21,6 +21,7 @@ dependencies {
 }
 
 tasks.register<JavaExec>("generate") {
+    dependsOn(tasks.check)
     mainClass.set("io.papermc.generator.Main")
     classpath(sourceSets.main.map { it.runtimeClasspath })
     args(projectDir.toPath().resolve("generated").toString())

patches/api/Add-EquipmentSlot-convenience-methods.patch

@@ -10,7 +10,7 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +++ b/src/main/java/org/bukkit/inventory/EquipmentSlot.java
 @@ -0,0 +0,0 @@ public enum EquipmentSlot {
      public EquipmentSlotGroup getGroup() {
-         return group;
+         return group.get();
      }
 +    // Paper start
 +    /**

patches/server/Add-EntityKnockbackByEntityEvent-and-EntityPushedByE.patch

@@ -222,12 +222,10 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/net/minecraft/world/level/Explosion.java
 +++ b/src/main/java/net/minecraft/world/level/Explosion.java
 @@ -0,0 +0,0 @@ public class Explosion {
-                             Vec3 result = entity.getDeltaMovement().add(vec3d1);
-                             org.bukkit.event.entity.EntityKnockbackEvent event = CraftEventFactory.callEntityKnockbackEvent((org.bukkit.craftbukkit.entity.CraftLivingEntity) entity.getBukkitEntity(), this.source, org.bukkit.event.entity.EntityKnockbackEvent.KnockbackCause.EXPLOSION, d13, vec3d1, result.x, result.y, result.z);
- 
--                            vec3d1 = (event.isCancelled()) ? Vec3.ZERO : new Vec3(event.getFinalKnockback().getX(), event.getFinalKnockback().getY(), event.getFinalKnockback().getZ());
+                             // since the code below (the setDeltaMovement call as well as the hitPlayers map)
+                             // want the vector to be the relative velocity will the event provides the absolute velocity
+                             vec3d1 = (event.isCancelled()) ? Vec3.ZERO : new Vec3(event.getFinalKnockback().getX(), event.getFinalKnockback().getY(), event.getFinalKnockback().getZ()).subtract(entity.getDeltaMovement());
 +                            // Paper start - call EntityKnockbackByEntityEvent for explosions
-+                            vec3d1 = (event.isCancelled()) ? Vec3.ZERO : new Vec3(event.getFinalKnockback().getX(), event.getFinalKnockback().getY(), event.getFinalKnockback().getZ()).subtract(entity.getDeltaMovement()); // changes on this line fix a bug where vec3d1 wasn't reassigned with the "change", but instead the final deltaMovement
 +                            if (this.damageSource.getEntity() != null || this.source != null) {
 +                                final org.bukkit.entity.Entity hitBy = this.damageSource.getEntity() != null ? this.damageSource.getEntity().getBukkitEntity() : this.source.getBukkitEntity();
 +                                com.destroystokyo.paper.event.entity.EntityKnockbackByEntityEvent paperEvent = new com.destroystokyo.paper.event.entity.EntityKnockbackByEntityEvent(((LivingEntity) entity).getBukkitLivingEntity(), hitBy, (float) event.getForce(), org.bukkit.craftbukkit.util.CraftVector.toBukkit(vec3d1));

patches/server/Fix-advancement-triggers-for-entity-damage.patch

@@ -43,4 +43,4 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 +                        CriteriaTriggers.PLAYER_HURT_ENTITY.trigger((ServerPlayer) damagesource.getEntity(), this, damagesource, originalDamage, f, true); // Paper - fix taken/dealt param order
                      }
  
-                     return false;
+                     return true;

patches/server/Fix-inventory-desync.patch

@@ -9,8 +9,8 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
 --- a/src/main/java/net/minecraft/world/entity/Mob.java
 +++ b/src/main/java/net/minecraft/world/entity/Mob.java
 @@ -0,0 +0,0 @@ public abstract class Mob extends LivingEntity implements EquipmentUser, Targeti
-             // CraftBukkit start - fire PlayerLeashEntityEvent
              if (CraftEventFactory.callPlayerLeashEntityEvent(this, player, player, hand).isCancelled()) {
+                 ((ServerPlayer) player).resendItemInHands(); // SPIGOT-7615: Resend to fix client desync with used item
                  ((ServerPlayer) player).connection.send(new ClientboundSetEntityLinkPacket(this, this.getLeashHolder()));
 +                player.containerMenu.sendAllDataToRemote(); // Paper - Fix inventory desync
                  return InteractionResult.PASS;

patches/server/Revert-to-vanilla-handling-of-LivingEntity-actuallyH.patch

@@ -18,14 +18,11 @@ index 0000000000000000000000000000000000000000..00000000000000000000000000000000
              final boolean human = this instanceof net.minecraft.world.entity.player.Player;
              float originalDamage = f;
 @@ -0,0 +0,0 @@ public abstract class LivingEntity extends Entity implements Attackable {
-                         CriteriaTriggers.PLAYER_HURT_ENTITY.trigger((ServerPlayer) damagesource.getEntity(), this, damagesource, originalDamage, f, true); // Paper - fix taken/dealt param order
-                     }
  
--                    return false;
-+                    return true; // Paper - return false ONLY if event was cancelled
+                     return true;
                  } else {
--                    return originalDamage > 0;
-+                    return originalDamage > 0 || true; // Paper - return false ONLY if event was cancelled
+-                    return originalDamage >= 0;
++                    return true; // Paper - return false ONLY if event was cancelled
                  }
                  // CraftBukkit end
              }