// Inventory
global.inv[0]  = ds_list_create()
global.inv[1]  = ds_list_create()
global.inv[2]  = ds_list_create()
global.inv[3]  = ds_list_create()
global.inv[4]  = ds_list_create() //Key items
global.storage = ds_list_create() 
global.inv_extra[0]  = ds_list_create()
global.inv_extra[1]  = ds_list_create()
global.inv_extra[2]  = ds_list_create()
global.inv_extra[3]  = ds_list_create()
global.inv_extra[4]  = ds_list_create() //Key items
global.empty_list = ds_list_create()
global.current_inv = 0
