static int Lua_Monster_Set_Visible(lua_State *L) {
int monster_index = Lua_Monster::Index(L, 1);
monster_data *monster = get_monster_data(monster_index);
object_data *object = get_object_data(monster->object_index);
int invisible = !lua_toboolean(L, 2);
if(monster->action == _monster_is_teleporting_out) return 0;
if(MONSTER_IS_ACTIVE(monster) || monster->vitality >= 0) {
// Cool stuff happens if you just set an active
// monster to invisible. What we should do instead of
// the below is expose teleports_out_when_deactivated
/*if(invisible) {
monster->flags |= (uint16)_monster_teleports_out_when_deactivated;
deactivate_monster(monster_index);
}*/
return luaL_error(L, "visible: monster already activated");
}
else {
// No real possibility of messing stuff up here.
SET_OBJECT_INVISIBILITY(object, invisible);
}
return 0;
}
short new_item(struct object_location *location,short type)
{
short object_index;
item_definition *definition= get_item_definition(type);
// LP change: added idiot-proofing
if (!definition)
return false;
bool add_item = true;
assert(sizeof(item_definitions)/sizeof(struct item_definition)==NUMBER_OF_DEFINED_ITEMS);
/* Do NOT add items that are network-only in a single player game, and vice-versa */
if (dynamic_world->player_count>1)
{
if (definition->invalid_environments & _environment_network)
add_item = false;
if (get_item_kind(type)==_ball && !current_game_has_balls())
add_item = false;
}
else
{
if (definition->invalid_environments & _environment_single_player) add_item= false;
}
if (add_item)
{
/* add the object to the map */
object_index= new_map_object(location, definition->base_shape);
if (object_index!=NONE)
{
object_data *object= get_object_data(object_index);
// LP addition: using the facing direction as a flag in the "unanimated" case:
// will be initially zero, but will become nonzero when initialized,
// so that the shape randomization will be done only once.
SET_OBJECT_OWNER(object, _object_is_item);
object->permutation= type;
if ((location->flags&_map_object_is_network_only) && dynamic_world->player_count<=1)
{
SET_OBJECT_INVISIBILITY(object, true);
object->permutation= NONE;
}
else if ((get_item_kind(type) == _ball) && !static_world->ball_in_play)
{
static_world->ball_in_play = true;
SoundManager::instance()->PlayLocalSound(_snd_got_ball);
}
/* let PLACEMENT.C keep track of how many there are */
object_was_just_added(_object_is_item, type);
// and let Lua know too
L_Call_Item_Created(object_index);
}
}
else
object_index = NONE;
return object_index;
}