+ else if(input.jump == UP)
+ {
+ if (!flapping && !duck && !falling_from_flap && !on_ground())
+ {
+ can_flap = true;
+ }
+ if (jumping && physic.get_velocity_y() > 0)
+ {
+ jumping = false;
+ physic.set_velocity_y(0);
+ }
+ }
+
+ // temporary to help player's choosing a flapping
+ if(flapping_mode == RICARDO_FLAP)
+ {
+ // Flapping, Ricardo's version
+ // similar to SM3 Fox
+ if(input.jump == DOWN && input.old_jump == UP && can_flap &&
+ flaps_nb < 3)
+ {
+ physic.set_velocity_y(350);
+ physic.set_velocity_x(physic.get_velocity_x() * 35);
+ flaps_nb++;
+ }
+ }
+ else if(flapping_mode == MAREK_FLAP)
+ {
+ // Flapping, Marek's version
+ if (input.jump == DOWN && can_flap)
+ {
+ if (!flapping_timer.started())
+ {
+ flapping_timer.start(TUX_FLAPPING_TIME);
+ flapping_velocity = physic.get_velocity_x();
+ }
+ if (flapping_timer.check())
+ {
+ can_flap = false;
+ falling_from_flap = true;
+ }
+ jumping = true;
+ flapping = true;
+ if (!flapping_timer.check()) {
+ float cv = flapping_velocity * sqrt(
+ TUX_FLAPPING_TIME - flapping_timer.get_timegone()
+ / TUX_FLAPPING_TIME);
+
+ //Handle change of direction while flapping
+ if (((dir == LEFT) && (cv > 0)) || (dir == RIGHT) && (cv < 0)) {
+ cv *= (-1);
+ }
+ physic.set_velocity_x(cv);
+ physic.set_velocity_y(
+ flapping_timer.get_timegone()/.850);
+ }
+ }
+ }
+ else if(flapping_mode == RYAN_FLAP)
+ {
+ // Flapping, Ryan's version
+ if (input.jump == DOWN && can_flap)
+ {
+ if (!flapping_timer.started())
+ {
+ flapping_timer.start(TUX_FLAPPING_TIME);
+ }
+ if (flapping_timer.check())
+ {
+ can_flap = false;
+ falling_from_flap = true;
+ }
+ jumping = true;
+ flapping = true;
+ if (flapping && flapping_timer.get_timegone() <= TUX_FLAPPING_TIME
+ && physic.get_velocity_y() < 0)
+ {
+ float gravity = Sector::current()->gravity;
+ (void)gravity;
+ float xr = (fabsf(physic.get_velocity_x()) / MAX_RUN_XM);
+
+ // XXX: magic numbers. should be a percent of gravity
+ // gravity is (by default) -0.1f
+ physic.set_acceleration_y(12 + 1*xr);
+
+#if 0
+ // To slow down x-vel when flapping (not working)
+ if (fabsf(physic.get_velocity_x()) > MAX_WALK_XM)
+ {
+ if (physic.get_velocity_x() < 0)
+ physic.set_acceleration_x(1.0f);
+ else if (physic.get_velocity_x() > 0)
+ physic.set_acceleration_x(-1.0f);
+ }
+#endif
+ }
+ }
+ else
+ {
+ physic.set_acceleration_y(0);
+ }
+ }
+
+ // Hover
+ //(disabled by default, use cheat code "hover" to toggle on/off)
+ //TODO: needs some tweaking, especially when used together with double jump and jumping off badguys
+ if (enable_hover && input.jump == DOWN && !jumping && !butt_jump && physic.get_velocity_y() <= 0)
+ {
+ physic.set_velocity_y(-100);
+ }