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.
22 #include "bouncing_snowball.hpp"
24 static const float JUMPSPEED = -450;
25 static const float WALKSPEED = 80;
27 BouncingSnowball::BouncingSnowball(const lisp::Lisp& reader)
28 : BadGuy(reader, "images/creatures/bouncing_snowball/bouncing_snowball.sprite")
30 set_direction = false;
33 BouncingSnowball::BouncingSnowball(const Vector& pos, Direction d)
34 : BadGuy(pos, "images/creatures/bouncing_snowball/bouncing_snowball.sprite")
37 initial_direction = d;
41 BouncingSnowball::write(lisp::Writer& writer)
43 writer.start_list("bouncingsnowball");
45 writer.write_float("x", start_position.x);
46 writer.write_float("y", start_position.y);
48 writer.end_list("bouncingsnowball");
52 BouncingSnowball::activate()
54 if (set_direction) {dir = initial_direction;}
55 physic.set_velocity_x(dir == LEFT ? -WALKSPEED : WALKSPEED);
56 sprite->set_action(dir == LEFT ? "left" : "right");
60 BouncingSnowball::collision_squished(Player& player)
62 sprite->set_action("squished");
63 kill_squished(player);
68 BouncingSnowball::collision_solid(GameObject& , const CollisionHit& hit)
70 if(hit.normal.y < -.5) { // hit floor
71 physic.set_velocity_y(JUMPSPEED);
72 } else if(hit.normal.y > .5) { // bumped on roof
73 physic.set_velocity_y(0);
74 } else { // left or right collision
75 dir = dir == LEFT ? RIGHT : LEFT;
76 sprite->set_action(dir == LEFT ? "left" : "right");
77 physic.set_velocity_x(-physic.get_velocity_x());
84 BouncingSnowball::collision_badguy(BadGuy& , const CollisionHit& hit)
86 if(fabsf(hit.normal.x) > .8) { // left/right?
87 dir = dir == LEFT ? RIGHT : LEFT;
88 sprite->set_action(dir == LEFT ? "left" : "right");
89 physic.set_velocity_x(-physic.get_velocity_x());
90 } else if(hit.normal.y < -.8) { // grounf
91 physic.set_velocity_y(JUMPSPEED);
97 IMPLEMENT_FACTORY(BouncingSnowball, "bouncingsnowball")