List of mandatory data files whose name is currently hardcoded in the engine
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project_db.dat
quest.dat
enemies/
items/
maps/
tilesets/
musics/
languages/
  languages.dat
  XX/
    text/
      strings.dat
      dialogs.dat
    images/
sounds/
  arrow_hit.ogg
  boomerang.ogg
  boss_hurt.ogg
  boss_killed.ogg
  bow.ogg
  cane.ogg
  chest_open.ogg
  door_closed.ogg
  door_open.ogg
  door_unlocked.ogg
  enemy_hurt.ogg
  enemy_killed.ogg
  explosion.ogg
  hero_falls.ogg
  hero_hurt.ogg
  hero_lands.ogg
  hero_pushes.ogg
  hookshot.ogg
  jump.ogg
  lift.ogg
  message_end.ogg
  monster_hurt.ogg
  picked_item.ogg
  running.ogg
  running_obstacle.ogg
  shield.ogg
  splash.ogg
  stairs_down_start.ogg
  stairs_down_end.ogg
  stairs_up_start.ogg
  stairs_up_end.ogg
  stone.ogg
  swim.ogg
  sword1.ogg ...
  sword_spin_attack_load.ogg
  sword_spin_attack_release.ogg
  sword_tapping.ogg
  sword_tapping_weak_wall.ogg
  throw.ogg
  timer.ogg
  timer_hurry.ogg
  treasure.ogg
  victory.ogg
  walk_on_grass.ogg
  walk_on_water.ogg
  wrong.ogg
sprites/
  entities/
    arrow.dat
    block.dat
    bomb.dat
    chest.dat
    crystal.dat
    crystal_block.dat
    explosion.dat
    fire.dat
    hookshot.dat
    items.dat
    miscellaneous.png
    rupee_icon.dat
    shadow.dat
    star.dat
  hero/
    tunic1.dat ...
    sword1.dat ...
    sword_stars1.dat ...
    shield1.dat ...
    ground1.dat
    ground2.dat
    trail.dat
  enemies/
    enemy_killed.dat

