4 // Copyright (C) 2006 Matthias Braun <matze@braunis.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
24 static const float WALKSPEED = 80;
26 Spiky::Spiky(const lisp::Lisp& reader)
28 reader.get("x", start_position.x);
29 reader.get("y", start_position.y);
30 stay_on_platform = false;
31 reader.get("stay-on-platform", stay_on_platform);
32 bbox.set_size(31.8, 31.8);
33 sprite = sprite_manager->create("images/creatures/spiky/spiky.sprite");
37 Spiky::write(lisp::Writer& writer)
39 writer.start_list("spiky");
41 writer.write_float("x", start_position.x);
42 writer.write_float("y", start_position.y);
43 if (stay_on_platform) writer.write_bool("stay-on-platform", true);
45 writer.end_list("spiky");
51 physic.set_velocity_x(dir == LEFT ? -WALKSPEED : WALKSPEED);
52 sprite->set_action(dir == LEFT ? "left" : "right");
56 Spiky::active_update(float elapsed_time)
58 BadGuy::active_update(elapsed_time);
60 if (stay_on_platform && may_fall_off_platform())
62 dir = (dir == LEFT ? RIGHT : LEFT);
63 sprite->set_action(dir == LEFT ? "left" : "right");
64 physic.set_velocity_x(-physic.get_velocity_x());
69 Spiky::collision_solid(GameObject& , const CollisionHit& hit)
71 if(fabsf(hit.normal.y) > .5) { // hit floor or roof?
72 physic.set_velocity_y(0);
73 } else { // hit right or left
74 dir = dir == LEFT ? RIGHT : LEFT;
75 sprite->set_action(dir == LEFT ? "left" : "right");
76 physic.set_velocity_x(-physic.get_velocity_x());
83 Spiky::collision_badguy(BadGuy& , const CollisionHit& hit)
85 if(fabsf(hit.normal.x) > .8) { // left or right
86 dir = dir == LEFT ? RIGHT : LEFT;
87 sprite->set_action(dir == LEFT ? "left" : "right");
88 physic.set_velocity_x(-physic.get_velocity_x());
94 IMPLEMENT_FACTORY(Spiky, "spiky")