[Scripting Question] Alola Forms

#-------------------------------
[GEODUDE-1]
FormName=Geodude de Alola
Type1=ROCK
Type2=ELECTRIC
Abilities=MAGNETPULL,STURDY
HiddenAbility=GALVANIZE
Moves=1,TACKLE,1,DEFENSECURL,4,CHARGE,6,ROCKPOLISH,10,ROLLOUT,12,SPARK,16,ROCKTHROW,18,SMACKDOWN,22,THUNDERPUNCH,24,SELFDESTRUCT,28,STEALTHROCK,30,ROCKBLAST,34,DISCHARGE,36,EXPLOSION,40,DOUBLEEDGE,42,STONEEDGE
EggMoves=
StepsToHatch=4096
Weight=20.3
Color=Gray
Habitat=Cave
Pokedex=Its body is a magnetic stone. Iron sand attaches to the portions of its body that are particularly magnetic.
WildItemUncommon=CELLBATTERY
BattlerPlayerY=-26
BattlerEnemyY=-7
BattlerAltitude=0

MultipleForms.register(:GEODUDE,{
"getFormOnCreation"=>proc{|pokemon|
maps=[2,5,39,41,44,69,147,90] # Map IDs for second form
if $game_map && maps.include?($game_map.map_id)
next 1
else
next 0
end
}
})

MultipleForms.copy(:GEODUDE,:GRAVELER,:GOLEM)