Fix Pokémon pet jitter in multiplayer

Author: JamzOJamz

Content/Projectiles/PokemonPet.cs

@@ -122,7 +122,6 @@ public override void OnSpawn(IEntitySource source)
         var owningPlayer = Main.player[Projectile.owner];
         Data = owningPlayer.GetModPlayer<TerramonPlayer>().GetActivePokemon();
         _cachedID = ID;
-        Projectile.netUpdate = true; // Is this necessary?
     }
 
     public override bool PreDraw(ref Color lightColor)
@@ -190,6 +189,24 @@ public static Color GrayscaleColor(Color color)
         var grayValue = (int)(0.299f * color.R + 0.587f * color.G + 0.114f * color.B);
         return new Color(grayValue, grayValue, grayValue, color.A); // Maintain original alpha
     }
+    
+    public override void SendExtraAI(BinaryWriter writer)
+    {
+        Data.NetWrite(writer, PokemonData.BitIsShiny | PokemonData.BitPersonalityValue | PokemonData.BitVariant);
+        writer.Write(CustomSpriteDirection.HasValue);
+        if (CustomSpriteDirection.HasValue) writer.Write(CustomSpriteDirection.Value);
+    }
+
+    public override void ReceiveExtraAI(BinaryReader reader)
+    {
+        Data ??= new PokemonData
+        {
+            ID = ID,
+            Level = 5
+        };
+        Data.NetRead(reader);
+        CustomSpriteDirection = reader.ReadBoolean() ? reader.ReadInt32() : null;
+    }
 
     public override void AI()
     {
@@ -210,7 +227,11 @@ public override void AI()
         if (!owningPlayer.dead && owningPlayer.HasBuff(ModContent.BuffType<PokemonCompanion>()) &&
             activePokemon == Data && activePokemon.ID == _cachedID) Projectile.timeLeft = 2;
 
-        if (Projectile.velocity.X != 0) CustomSpriteDirection = null;
+        if (CustomSpriteDirection.HasValue && Projectile.velocity.X != 0)
+        {
+            CustomSpriteDirection = null;
+            Projectile.netUpdate = true;
+        }
 
         if (isShiny) ShinyEffect();
     }

Content/Projectiles/ProjectileGenericPet.cs

@@ -40,14 +40,6 @@ public override void SetDefaults(Projectile proj)
         petProj.FindFrame = FindFrame;
     }
 
-    public override void OnSpawn(Projectile projectile, IEntitySource source)
-    {
-        if (!Enabled) return;
-        
-        // Hardcode the entity's height to 20 (cloned AI compatibility)
-        projectile.height = 20;
-    }
-
     private void CustomAnimation(Projectile proj, bool walking)
     {
         var petProj = (PokemonPet)proj.ModProjectile;
@@ -62,10 +54,13 @@ public override void AI(Projectile projectile)
     {
         if (!Enabled) return;
 
+        // Hardcode the entity's height to 20 (cloned AI compatibility)
+        projectile.height = 20;
+
         var petProj = (PokemonPet)projectile.ModProjectile;
 
-        if (projectile.ai[0] != 1 && WalkSpeedModifier < 1f) // If not flying to catch up to player
-            projectile.velocity.X *= WalkSpeedModifier + (1f - WalkSpeedModifier) / 1.5f;
+        /*if (projectile.ai[0] != 1 && WalkSpeedModifier < 1f) // If not flying to catch up to player
+            projectile.velocity.X *= WalkSpeedModifier + (1f - WalkSpeedModifier) / 1.5f;*/
 
         // If the pet is moving, increase the frame counter.
         // If not moving, continue to increase the frame counter until it reaches the end of the current animation cycle.