void
Pingus::draw (DrawingContext& gc)
{
// Add 10 to z_pos so that the pingu gets drawn above the node it is
// standing one
if (final_target_node != NoNode && current_node == NoNode)
{
gc.draw(arrow, path->get_dot(final_target_node)->get_pos() + Vector3f(0, 0, 10));
}
if (!is_walking())
{
gc.draw(sprite_standing, pos);
}
else
{
// FIXME: Replace the sprite and add up/down here
float direction = get_direction();
if (direction >= 0 && direction < 180)
gc.draw(sprite[Direction::RIGHT], pos + Vector3f(0, 0, 10));
else
gc.draw(sprite[Direction::LEFT], pos + Vector3f(0, 0, 10));
}
}
void
Pingus::update (float delta)
{
float direction = get_direction();
if (direction >= 0 && direction < 180)
sprite[Direction::RIGHT].update(delta);
else
sprite[Direction::LEFT].update(delta);
if (is_walking())
update_walk(delta);
}
void Unit::set_path(
const std::shared_ptr<std::vector<ks::Vertex> >& path)
{
assert(path->size());
if (is_walking()) {
_path->erase(_path->begin() + 1, _path->end());
}
#ifdef DEBUG_UNIT_PATHS
_debug_path.clear();
#endif
std::vector<ks::Vertex>::reverse_iterator it;
for (it = path->rbegin(); it != path->rend(); it++) {
_path->push_back(*it);
#ifdef DEBUG_UNIT_PATHS
auto shape = std::make_unique<sf::RectangleShape>();
shape->setFillColor(sf::Color::Red);
shape->setSize(sf::Vector2f(8, 8));
shape->setPosition(sf::Vector2f(it->x, it->y));
_debug_path.push_back(std::move(shape));
#endif
}
if (! is_walking()) {
double x = (*_path)[0].x;
double y = (*_path)[0].y;
set_position(x , y);
}
}
void
fight_ai (struct anim *k)
{
/* non-fightable characters don't fight */
if (! is_fightable_anim (k)) return;
/* controllables and non-fighters doesn't need AI to fight */
if (k->controllable || ! k->fight) return;
/* if forgetting about an enemy, no need to fight */
if (k->enemy_refraction > 0) return;
/* without an enemy or awareness, no need to fight */
if (k->enemy_id == -1) {
if (is_in_fight_mode (k)) leave_fight_mode (k);
return;
}
/* first thing, enter in fight mode */
if (! is_in_fight_mode (k)) {
enter_fight_mode (k);
return;
}
/* who's the enemy? */
struct anim *ke = get_anim_by_id (k->enemy_id);
/* what's the facing opposite direction? */
enum dir odir = (k->f.dir == LEFT) ? RIGHT : LEFT;
/* get positions */
struct pos p, pe;
survey (_m, pos, &k->f, NULL, &p, NULL);
survey ((k->f.dir != ke->f.dir) ? _m : _mba,
pos, &ke->f, NULL, &pe, NULL);
pos2room (&pe, p.room, &pe);
/* remember the place the enemy was last seen */
if (pe.room == p.room && pe.floor == p.floor)
k->enemy_pos = pe;
else if (pe.floor > p.floor && is_valid_pos (&k->enemy_pos)
&& ! is_strictly_traversable (&k->enemy_pos))
k->enemy_pos.place = pe.place;
if (is_valid_pos (&k->enemy_pos)
&& is_strictly_traversable (&k->enemy_pos)) {
struct pos pp;
int d = (p.place < k->enemy_pos.place) ? -1 : +1;
while (is_strictly_traversable (prel (&k->enemy_pos, &pp, +0, d)))
k->enemy_pos = pp;
}
/* prevent enemy from passing through */
if (ke->type == KID
&& is_in_range (k, ke, ATTACK_RANGE)
&& ! is_in_fight_mode (ke)
&& ! ke->immortal
&& ! (is_kid_climb (&ke->f) && ke->i <= 7)
&& ke->f.dir != k->f.dir
&& ke->current_lives > 0
&& ke->has_sword
&& ! is_kid_fall (&ke->f)
&& ! is_kid_hang (&ke->f)
&& ! is_kid_jump_air (&ke->f)
&& ! is_kid_run_jump_air (&ke->f)
&& is_safe_to_attack (ke)) {
place_on_the_ground (&ke->f, &ke->f.c);
kid_take_sword (ke);
ke->auto_taken_sword = true;
}
/* prevent enemy from hiding near */
if (ke->type == KID
&& is_in_range (k, ke, INVERSION_RANGE)
&& ! is_in_fight_mode (ke)
&& ke->current_lives > 0) {
if (is_safe_to_walkb (k)) fight_walkb (k);
else if (is_safe_to_turn (k)) fight_turn (k);
return;
}
/* if the enemy is on the back, turn */
if (is_on_back (k, ke) && is_anim_seeing (k, ke, odir)
&& p.floor == pe.floor
&& ! is_in_range (k, ke, INVERSION_RANGE)) {
if (is_safe_to_turn (k)) fight_turn (k);
else if (is_safe_to_walkb (k)) fight_walkb (k);
return;
}
/* if too near to a wall, back off to have room for an attack */
if (fight_crel (k, +0, +1) == WALL
&& is_safe_to_walkb (k)) {
fight_walkb (k);
return;
}
/* /\* if the enemy can be followed in the opposite direction, turn *\/ */
/* if (! is_safe_to_follow (k, ke, k->f.dir) */
/* && is_safe_to_follow (k, ke, odir)) { */
/* fight_turn (k); */
/* return; */
/* } */
/* if the enemy is trying to bypass, attack him */
if (! is_in_fight_mode (ke)
&& ! ke->has_sword
&& ! is_kid_stairs (&ke->f)
&& ke->f.dir != k->f.dir
&& ke->current_lives > 0
&& ! is_on_back (k, ke)
&& ((is_kid_run (&ke->f)
&& is_in_range (k, ke, 3 * PLACE_WIDTH - 4))
|| (is_kid_run_jump (&ke->f)
&& is_in_range (k, ke, 4 * PLACE_WIDTH - 4))
|| (is_kid_jump_air (&ke->f) && ke->i < 9
&& is_in_range (k, ke, 4 * PLACE_WIDTH)))) {
if (is_safe_to_attack (k)) fight_attack (k);
else if (is_safe_to_walkb (k)) fight_walkb (k);
return;
}
/* stays at least in the fight range. Advance, unless the enemy is
not running towards you */
if (! is_in_range (k, ke, FIGHT_RANGE + 10)
&& ! is_kid_stairs (&ke->f)
&& (ke->f.dir == k->f.dir
|| p.room != pe.room
|| p.floor != pe.floor
|| ! (is_kid_run (&ke->f)
|| is_kid_run_jump (&ke->f)
|| is_kid_jump (&ke->f)))
&& is_safe_to_follow (k, ke, k->f.dir)) {
fight_walkf (k);
return;
}
/* if the enemy is not targeting you, do nothing more */
if (ke->enemy_id != -1 && ke->enemy_id != k->id) return;
/* in fight range, if the enemy is not attacking, go towards attack
range (with probability, unless the enemy is not in fight mode,
then go immediately) */
if (is_in_range (k, ke, FIGHT_RANGE + 10)
&& ! is_in_range (k, ke, ATTACK_RANGE)
&& ! is_kid_stairs (&ke->f)
&& is_safe_to_follow (k, ke, k->f.dir)
&& (prandom (99) <= k->skill.advance_prob
|| ! is_in_fight_mode (ke))
&& ! is_attacking (ke)
&& (! is_in_fight_mode (ke)
|| is_walking (ke)
|| ke->i >= 6 + prandom (24))) {
fight_walkf (k);
return;
}
/* in attack range, if being attacked, defend yourself (with
probability) and counter attack (with probability handled
elsewhere) */
if (is_in_range (k, ke, ATTACK_RANGE + 16)
&& ! is_on_back (k, ke)
&& (is_attacking (ke) && ke->i == 0)
&& (prandom (99) <= k->skill.defense_prob
|| k->refraction > 0)
&& ke->current_lives > 0) {
fight_defense (k);
fight_attack (k);
return;
}
/* if attacking, counter defend
(with probability handled elsewhere) */
if (is_in_range (k, ke, ATTACK_RANGE + 16)
&& is_attacking (k)) {
fight_defense (k);
fight_attack (k);
return;
}
/* in attack range, if not being attacked, attack (with probability,
unless the enemy is not in fight mode, then attack immediately) */
if (is_in_range (k, ke, ATTACK_RANGE)
&& ! is_attacking (ke)
&& ! is_on_back (k, ke)
&& ! is_kid_stairs (&ke->f)
&& ! ((is_kid_climb (&ke->f)
|| is_kid_successfully_climbing (&ke->f))
&& ke->i >= 1)
&& ke->current_lives > 0
&& (prandom (99) <= k->skill.attack_prob
|| ! is_in_fight_mode (ke))) {
if (is_safe_to_attack (k)) fight_attack (k);
else if (is_safe_to_walkb (k)) fight_walkb (k);
return;
}
/* in hit range, back off (with probability) */
if (is_in_range (k, ke, HIT_RANGE - 10)
&& is_safe_to_walkb (k)
&& ! k->refraction
&& ! is_walkingb (ke)
&& prandom (99) <= k->skill.return_prob) {
fight_walkb (k);
return;
}
}
