REVERSED MODE

Data/Scripts/010_Data/002_PBS data/013_Trainer.rb

@@ -140,6 +140,9 @@ module GameData
         if placeholder_species.include?(species)
           species = replace_species_with_placeholder(species)
         end
+        if $game_switches[REVERSED_MODE]
+          species = reverseFusionSpecies(species)
+        end
         level =pkmn_data[:level]
         if $game_switches[Settings::OVERRIDE_BATTLE_LEVEL_SWITCH]
           override_level = $game_variables[Settings::OVERRIDE_BATTLE_LEVEL_VALUE_VAR]

Data/Scripts/049_Compatibility/Constants.rb

@@ -1,6 +1,9 @@
 #Switches
 NEW_GAME_PLUS = 972
 BEAT_MT_SILVER = 918
+REVERSED_MODE = 47
+GAME_DIFFICULTY_EASY = 665
+GAME_DIFFICULTY_HARD = 666
 
 GOT_BADGE_1 = 4
 GOT_BADGE_2 = 5

Data/Scripts/050_AddOns/GeneralUtils.rb

@@ -356,5 +356,15 @@ def getArceusPlateType(heldItem)
   end
 end
 
+def reverseFusionSpecies(species)
+  dexId = getDexNumberForSpecies(species)
+  return species if dexId <= NB_POKEMON
+  return species if dexId > (NB_POKEMON * NB_POKEMON) + NB_POKEMON
+  body = getBasePokemonID(dexId, true)
+  head = getBasePokemonID(dexId, false)
+  newspecies = (head) * NB_POKEMON + body
+  return getPokemon(newspecies)
+end
+