void
WalkingBadguy::active_update(float elapsed_time, float dest_x_velocity)
{
BadGuy::active_update(elapsed_time);
float current_x_velocity = physic.get_velocity_x ();
if (frozen)
{
physic.set_velocity_x (0.0);
physic.set_acceleration_x (0.0);
}
/* We're very close to our target speed. Just set it to avoid oscillation */
else if ((current_x_velocity > (dest_x_velocity - 5.0))
&& (current_x_velocity < (dest_x_velocity + 5.0)))
{
physic.set_velocity_x (dest_x_velocity);
physic.set_acceleration_x (0.0);
}
/* Check if we're going too slow or even in the wrong direction */
else if (((dest_x_velocity <= 0.0) && (current_x_velocity > dest_x_velocity))
|| ((dest_x_velocity > 0.0) && (current_x_velocity < dest_x_velocity)))
{
/* acceleration == walk-speed => it will take one second to get from zero
* to full speed. */
physic.set_acceleration_x (dest_x_velocity);
}
/* Check if we're going too fast */
else if (((dest_x_velocity <= 0.0) && (current_x_velocity < dest_x_velocity))
|| ((dest_x_velocity > 0.0) && (current_x_velocity > dest_x_velocity)))
{
/* acceleration == walk-speed => it will take one second to get twice the
* speed to normal speed. */
physic.set_acceleration_x ((-1.f) * dest_x_velocity);
}
else
{
/* The above should have covered all cases. */
assert (23 == 42);
}
if (max_drop_height > -1) {
if (on_ground() && might_fall(max_drop_height+1))
{
turn_around();
}
}
if ((dir == LEFT) && (physic.get_velocity_x () > 0.0)) {
dir = RIGHT;
set_action (walk_right_action, /* loops = */ -1);
}
else if ((dir == RIGHT) && (physic.get_velocity_x () < 0.0)) {
dir = LEFT;
set_action (walk_left_action, /* loops = */ -1);
}
}
void
CaptainSnowball::active_update(float elapsed_time)
{
if (on_ground() && might_climb(8, 64)) {
physic.set_velocity_y(-400);
} else if (on_ground() && might_fall(16)) {
physic.set_velocity_y(-400);
walk_speed = BOARDING_SPEED;
physic.set_velocity_x(dir == LEFT ? -walk_speed : walk_speed);
}
WalkingBadguy::active_update(elapsed_time);
}
void
Spiky::active_update(float elapsed_time)
{
BadGuy::active_update(elapsed_time);
if (might_fall(601))
{
dir = (dir == LEFT ? RIGHT : LEFT);
sprite->set_action(dir == LEFT ? "left" : "right");
physic.set_velocity_x(-physic.get_velocity_x());
}
}
void
WalkingBadguy::active_update(float elapsed_time)
{
BadGuy::active_update(elapsed_time);
if (max_drop_height > -1) {
if (on_ground() && might_fall(max_drop_height+1))
{
turn_around();
}
}
}
void
Totem::active_update(float elapsed_time)
{
BadGuy::active_update(elapsed_time);
if (!carried_by) {
if (on_ground() && might_fall())
{
dir = (dir == LEFT ? RIGHT : LEFT);
initialize();
}
Sector* s = Sector::current();
if (s) {
// jump a bit if we find a suitable totem
for (std::vector<MovingObject*>::iterator i = s->moving_objects.begin(); i != s->moving_objects.end(); ++i) {
Totem* t = dynamic_cast<Totem*>(*i);
if (!t) continue;
// skip if we are not approaching each other
if (!((dir == LEFT) && (t->dir == RIGHT))) continue;
Vector p1 = bbox.p1;
Vector p2 = t->get_pos();
// skip if not on same height
float dy = (p1.y - p2.y);
if (fabsf(dy - 0) > 2) continue;
// skip if too far away
float dx = (p1.x - p2.x);
if (fabsf(dx - 128) > 2) continue;
physic.set_velocity_y(JUMP_ON_SPEED_Y);
p1.y -= 1;
this->set_pos(p1);
break;
}
}
}
if (carried_by) {
this->synchronize_with(carried_by);
}
if (carrying) {
carrying->synchronize_with(this);
}
}
void
Totem::active_update(float dt_sec)
{
BadGuy::active_update(dt_sec);
if (!carried_by) {
if (on_ground() && might_fall())
{
m_dir = (m_dir == Direction::LEFT ? Direction::RIGHT : Direction::LEFT);
initialize();
}
// jump a bit if we find a suitable totem
for (auto& obj : Sector::get().get_objects_by_type<MovingObject>()) {
auto t = dynamic_cast<Totem*>(&obj);
if (!t) continue;
// skip if we are not approaching each other
if (!((m_dir == Direction::LEFT) && (t->m_dir == Direction::RIGHT))) continue;
Vector p1 = m_col.m_bbox.p1();
Vector p2 = t->get_pos();
// skip if not on same height
float dy = (p1.y - p2.y);
if (fabsf(dy - 0) > 2) continue;
// skip if too far away
float dx = (p1.x - p2.x);
if (fabsf(dx - 128) > 2) continue;
m_physic.set_velocity_y(JUMP_ON_SPEED_Y);
p1.y -= 1;
set_pos(p1);
break;
}
}
if (carried_by) {
synchronize_with(carried_by);
}
if (carrying) {
carrying->synchronize_with(this);
}
}
