Sprite renamer is now in the Debug menu and doesn't run when compiling, fixed Poké Flute not working in battle, fixed Advanced Trainer Battle Debug feature not working, fixed special Mega Evolution messages not being used

Data/Scripts/001_Settings.rb

@@ -403,6 +403,6 @@ end
 
 # DO NOT EDIT THESE!
 module Essentials
-  VERSION = "19.1"
+  VERSION = "19.0.dev"
   ERROR_TEXT = ""
 end

Data/Scripts/012_Overworld/002_Battle triggering/001_Overworld_BattleStarting.rb

@@ -367,15 +367,13 @@ def pbTrainerBattleCore(*args)
   foeParty       = []
   foePartyStarts = []
   for arg in args
-    raise _INTL("Expected an array of trainer data, got {1}.",arg) if !arg.is_a?(Array)
+    if arg.is_a?(NPCTrainer)
-    if arg[0].is_a?(NPCTrainer)
       foeTrainers.push(arg[0])
       foePartyStarts.push(foeParty.length)
       arg[0].party.each { |pkmn| foeParty.push(pkmn) }
       foeEndSpeeches.push(arg[0].lose_text)
       foeItems.push(arg[0].items)
-    else
+    elsif arg.is_a?(Array)   # [trainer type, trainer name, ID, speech (optional)]
-      # [trainer type, trainer name, ID, speech (optional)]
       trainer = pbLoadTrainer(arg[0],arg[1],arg[2])
       pbMissingTrainer(arg[0],arg[1],arg[2]) if !trainer
       return 0 if !trainer
@@ -385,6 +383,8 @@ def pbTrainerBattleCore(*args)
       trainer.party.each { |pkmn| foeParty.push(pkmn) }
       foeEndSpeeches.push(arg[3] || trainer.lose_text)
       foeItems.push(trainer.items)
+    else
+      raise _INTL("Expected NPCTrainer or array of trainer data, got {1}.", arg)
     end
   end
   # Calculate who the player trainer(s) and their party are
@@ -485,7 +485,7 @@ def pbTrainerBattle(trainerID, trainerName, endSpeech=nil,
   setBattleRule("double") if doubleBattle || $PokemonTemp.waitingTrainer
   # Perform the battle
   if $PokemonTemp.waitingTrainer
-    decision = pbTrainerBattleCore($PokemonTemp.waitingTrainer,
+    decision = pbTrainerBattleCore($PokemonTemp.waitingTrainer[0],
        [trainerID,trainerName,trainerPartyID,endSpeech]
     )
   else

Data/Scripts/013_Items/003_Item_BattleEffects.rb

@@ -302,8 +302,7 @@ ItemHandlers::UseInBattle.add(:POKEFLUTE,proc { |item,battler,battle|
     next if b.status != :SLEEP || b.hasActiveAbility?(:SOUNDPROOF)
     b.pbCureStatus(false)
   end
-  scene.pbRefresh
+  battle.pbDisplay(_INTL("All Pokémon were roused by the tune!"))
-  scene.pbDisplay(_INTL("All Pokémon were roused by the tune!"))
 })
 
 ItemHandlers::UseInBattle.addIf(proc { |item| GameData::Item.get(item).is_poke_ball? },   # Poké Balls

Data/Scripts/014_Pokemon/002_Pokemon_MegaEvolution.rb

@@ -47,7 +47,9 @@ class Pokemon
   end
 
   def megaMessage   # 0=default message, 1=Rayquaza message
-    return species_data.mega_message
+    megaForm = self.getMegaForm
+    message_number = GameData::Species.get_species_form(@species, megaForm)&.mega_message
+    return message_number || 0
   end
 
   #=============================================================================

Data/Scripts/020_Debug/003_Debug menus/002_Debug_MenuCommands.rb

@@ -1144,6 +1144,16 @@ DebugMenuCommands.register("createpbs", {
   }
 })
 
+DebugMenuCommands.register("renamesprites", {
+  "parent"      => "othermenu",
+  "name"        => _INTL("Rename Old Sprites"),
+  "description" => _INTL("Renames and moves Pokémon/item/trainer sprites from their old places."),
+  "always_show" => true,
+  "effect"      => proc {
+    SpriteRenamer.convert_files
+  }
+})
+
 DebugMenuCommands.register("invalidtiles", {
   "parent"      => "othermenu",
   "name"        => _INTL("Fix Invalid Tiles"),

Data/Scripts/020_Debug/003_Debug menus/004_Debug_MenuSpriteRenamer.rb

@@ -28,7 +28,7 @@ end
 #===============================================================================
 #
 #===============================================================================
-module Compiler
+module SpriteRenamer
   module_function
 
   def readDirectoryFiles(directory, formats)
@@ -217,7 +217,7 @@ module Compiler
   end
 
   def convert_files
-    return if !pbConfirmMessage("Check for Pokémon/item/trainer files that need renaming?")
+    return if !pbConfirmMessage("Check for Pokémon/item/trainer files in their old folders that need renaming and moving?")
     # Rename and move Pokémon sprites/icons
     dest_dir = "Graphics/Pokemon/"
     Dir.mkdir(dest_dir) if !FileTest.directory?(dest_dir)
@@ -237,5 +237,6 @@ module Compiler
     # Rename trainer sprites
     convert_trainer_sprites("Graphics/Trainers/")
     pbSetWindowText(nil)
+    pbMessage(_INTL("All found sprites and icons were renamed and moved."))
   end
 end

Data/Scripts/021_Compiler/001_Compiler.rb

@@ -728,8 +728,6 @@ module Compiler
       yield(_INTL("Saving messages"))
       pbSetTextMessages
       MessageTypes.saveMessages
-      yield(_INTL("Renaming sprites and cries"))
-      convert_files
       echoln ""
       echoln _INTL("*** Finished full compile ***")
       echoln ""