4 // Copyright (C) 2005 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
23 #include "bouncing_snowball.h"
25 static const float JUMPSPEED = 450;
26 static const float WALKSPEED = 80;
28 BouncingSnowball::BouncingSnowball(const lisp::Lisp& reader)
30 reader.get("x", start_position.x);
31 reader.get("y", start_position.y);
32 bbox.set_size(31.8, 31.8);
33 sprite = sprite_manager->create("bouncingsnowball");
34 set_direction = false;
37 BouncingSnowball::BouncingSnowball(float pos_x, float pos_y, Direction d)
39 start_position.x = pos_x;
40 start_position.y = pos_y;
41 bbox.set_size(31.8, 31.8);
42 sprite = sprite_manager->create("bouncingsnowball");
44 initial_direction = d;
48 BouncingSnowball::write(lisp::Writer& writer)
50 writer.start_list("bouncingsnowball");
52 writer.write_float("x", start_position.x);
53 writer.write_float("y", start_position.y);
55 writer.end_list("bouncingsnowball");
59 BouncingSnowball::activate()
61 if (set_direction) {dir = initial_direction;}
62 physic.set_velocity_x(dir == LEFT ? -WALKSPEED : WALKSPEED);
63 sprite->set_action(dir == LEFT ? "left" : "right");
67 BouncingSnowball::collision_squished(Player& player)
69 sprite->set_action("squished");
70 kill_squished(player);
75 BouncingSnowball::collision_solid(GameObject& , const CollisionHit& hit)
77 if(hit.normal.y < -.5) { // hit floor
78 physic.set_velocity_y(JUMPSPEED);
79 } else if(hit.normal.y > .5) { // bumped on roof
80 physic.set_velocity_y(0);
81 } else { // left or right collision
82 dir = dir == LEFT ? RIGHT : LEFT;
83 sprite->set_action(dir == LEFT ? "left" : "right");
84 physic.set_velocity_x(-physic.get_velocity_x());
91 BouncingSnowball::collision_badguy(BadGuy& , const CollisionHit& hit)
93 if(fabsf(hit.normal.x) > .8) { // left/right?
94 dir = dir == LEFT ? RIGHT : LEFT;
95 sprite->set_action(dir == LEFT ? "left" : "right");
96 physic.set_velocity_x(-physic.get_velocity_x());
97 } else if(hit.normal.y < -.8) { // grounf
98 physic.set_velocity_y(JUMPSPEED);
104 IMPLEMENT_FACTORY(BouncingSnowball, "bouncingsnowball")