Make setVelocity method of Fireballs change the travel direction to an arbitrary vector (#9815)

patches/server/0894-Properly-resend-entities.patch

@@ -121,15 +121,14 @@ index 37596c7b65f280be00e8e59ae18bd1aceae21080..eca18540aeb0b0d4098477d73b14c78a
                  return Optional.of(InteractionResult.FAIL);
              }
              entity.playSound(((Bucketable) entity).getPickupSound(), 1.0F, 1.0F);
-
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-index 315d8260e196709ed9084272aa640f11e327c0a8..f7ebddd35ff5a60a81034fd7de035ebba83e9517 100644
+index 8733255559e63d8709d2502e58f16decdf1714ae..6759dad436d9e82f9c959e2c183e6e95c37abdcb 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-@@ -1299,7 +1299,11 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
+@@ -1258,7 +1258,11 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
              return;
          }
-
+ 
 -        entityTracker.broadcast(this.getHandle().getAddEntityPacket());
 +        // Paper start, resend possibly desynced entity instead of add entity packet
 +        for (ServerPlayerConnection playerConnection : entityTracker.seenBy) {
@@ -137,7 +136,7 @@ index 315d8260e196709ed9084272aa640f11e327c0a8..f7ebddd35ff5a60a81034fd7de035ebb
 +        }
 +        // Paper end
      }
-
+ 
      private static PermissibleBase getPermissibleBase() {
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftItemFrame.java
 index 4dbe8af49fcb4d2c2f517083c013d83f64225b4b..58489a6a34e66cd6fc0d0e28141a3ebc32ac0e05 100644
@@ -146,7 +145,7 @@ index 4dbe8af49fcb4d2c2f517083c013d83f64225b4b..58489a6a34e66cd6fc0d0e28141a3ebc
 @@ -39,9 +39,11 @@ public class CraftItemFrame extends CraftHanging implements ItemFrame {
      protected void update() {
          super.update();
-
+ 
 +        // Paper start, don't mark as dirty as this is handled in super.update()
          // mark dirty, so that the client gets updated with item and rotation
 -        this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ITEM);
@@ -154,6 +153,6 @@ index 4dbe8af49fcb4d2c2f517083c013d83f64225b4b..58489a6a34e66cd6fc0d0e28141a3ebc
 +        //this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ITEM);
 +        //this.getHandle().getEntityData().markDirty(net.minecraft.world.entity.decoration.ItemFrame.DATA_ROTATION);
 +        // Paper end
-
+ 
          // update redstone
          if (!this.getHandle().generation) {

patches/server/0915-Add-Entity-Body-Yaw-API.patch

@@ -5,10 +5,10 @@ Subject: [PATCH] Add Entity Body Yaw API
 
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-index 35ce9507933487935da8ae8eff4e94925b1abf76..5cf469a1bba2b09dcd28cf6bc506e8b7a8e2162f 100644
+index d97bc672a8e6fb7c2a0ed668cc15b54bf4254217..314168d162f1242eca67706fd3fa225f1ed30cc4 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-@@ -1446,6 +1446,31 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
+@@ -1450,6 +1450,31 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
      public boolean isInPowderedSnow() {
          return getHandle().isInPowderSnow || getHandle().wasInPowderSnow; // depending on the location in the entity "tick" either could be needed.
      }

patches/server/0991-API-for-an-entity-s-scoreboard-name.patch

@@ -7,10 +7,10 @@ Was obtainable through different methods, but you had to use different
 methods depending on the implementation of Entity you were working with.
 
 diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-index b1f6915206acf6ba85b719737861babc552b5183..c83d0461ef14ef0df8428387d0d8eac5ad010054 100644
+index d481534da33d98bf44f2b800bc8e6f6d26ab5fc9..9ae86d1eab7d831d6b7d637c40fb6408950f7e71 100644
 --- a/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
 +++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftEntity.java
-@@ -1502,4 +1502,11 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
+@@ -1506,4 +1506,11 @@ public abstract class CraftEntity implements org.bukkit.entity.Entity {
          return !this.getHandle().level().noCollision(this.getHandle(), aabb);
      }
      // Paper End - Collision API

patches/server/1037-Make-setVelocity-method-of-Fireballs-change-the-trav.patch

@@ -0,0 +1,30 @@
+From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
+From: TrollyLoki <trollyloki@gmail.com>
+Date: Tue, 10 Oct 2023 00:45:01 -0400
+Subject: [PATCH] Make setVelocity method of Fireballs change the travel
+ direction to an arbitrary vector
+
+
+diff --git a/src/main/java/org/bukkit/craftbukkit/entity/CraftFireball.java b/src/main/java/org/bukkit/craftbukkit/entity/CraftFireball.java
+index e04500dcdc5b72cca7ac81b5d12e76822db9c8c5..22d59ca52229dc566b8dfb460b92ecd6318e6db0 100644
+--- a/src/main/java/org/bukkit/craftbukkit/entity/CraftFireball.java
++++ b/src/main/java/org/bukkit/craftbukkit/entity/CraftFireball.java
+@@ -46,6 +46,18 @@ public class CraftFireball extends AbstractProjectile implements Fireball {
+         update(); // SPIGOT-6579
+     }
+ 
++    // Paper start - set direction without normalizing
++    @Override
++    public void setVelocity(Vector velocity) {
++        Preconditions.checkArgument(velocity != null, "Vector velocity cannot be null");
++        velocity.checkFinite();
++        this.getHandle().xPower = velocity.getX();
++        this.getHandle().yPower = velocity.getY();
++        this.getHandle().zPower = velocity.getZ();
++        update();
++    }
++    // Paper end
++
+     @Override
+     public AbstractHurtingProjectile getHandle() {
+         return (AbstractHurtingProjectile) entity;