Tidied, fixed some bugs

Data/Scripts/001b_Save data/005_BuiltinConversions.rb

@@ -0,0 +1,64 @@
+# Contains conversions defined in Essentials by default.
+
+SaveData.register_conversion(:v19_define_versions) do
+  essentials_version 19
+  display_title 'Adding game version and Essentials version to save data'
+  to_all do |save_data|
+    unless save_data.has_key?(:essentials_version)
+      save_data[:essentials_version] = Essentials::VERSION
+    end
+    unless save_data.has_key?(:game_version)
+      save_data[:game_version] = Settings::GAME_VERSION
+    end
+  end
+end
+
+SaveData.register_conversion(:v19_convert_player) do
+  essentials_version 19
+  display_title 'Converting player trainer class'
+  to_all do |save_data|
+    next if save_data[:player].is_a?(PlayerTrainer)
+    # Conversion of the party is handled in PokeBattle_Trainer.copy
+    save_data[:player] = PokeBattle_Trainer.copy(save_data[:player])
+  end
+end
+
+SaveData.register_conversion(:v19_convert_storage) do
+  essentials_version 19
+  display_title 'Converting classes of Pokémon in storage'
+  to_value :storage_system do |storage|
+    storage.instance_eval do
+      for box in 0...self.maxBoxes
+        for i in 0...self.maxPokemon(box)
+          next unless self[box, i]
+          next if self[box, i].is_a?(Pokemon)
+          self[box, i] = PokeBattle_Pokemon.copy(self[box, i])
+        end
+      end
+    end # storage.instance_eval
+  end # to_value
+end
+
+SaveData.register_conversion(:v19_convert_bag) do
+  essentials_version 19
+  display_title 'Converting item IDs in Bag'
+  to_value :bag do |bag|
+    bag.instance_eval do
+      for pocket in self.pockets
+        for item in pocket
+          next if !item || !item[0] || item[0] == 0
+          item_data = GameData::Item.try_get(item[0])
+          item[0] = item_data.id if item_data
+        end
+      end
+    end # bag.instance_eval
+  end # to_value
+end
+
+SaveData.register_conversion(:v19_convert_global_metadata) do
+  essentials_version 19
+  display_title 'Adding encounter version variable to global metadata'
+  to_value :global_metadata do |global|
+    global.encounter_version ||= 0
+  end
+end