ptag_mainloop.py

# mainloop pseudopython

while True:
    for character in room.characters:
        Queue unhandled_actions
        unhandled_actions.push(character.decide_action())
        while unhandled_actions not empty:
            action = unhandled_actions.pop()
            execute(action)
            for reaction in get_reactions(action):
                unhandled_actions.push(reaction)
            for character in room.characters:
                character.inbox.push(action)

# decide_action implementations for the player and npcs

function player.decide_action():
    for action in player.inbox.actions:
        print(action)
    return read_action_from_input()

function npc.decide_action():
    reactions = []
    for action in npc.inbox.actions:
        npc.change_internal_state(action)
        reactions.push(npc.get_possible_reactions())
    reactions.push(npc.get_default_actions())
    return npc.pick_best_action(reactions)