Experiments with a new abstract base class for Moving Objects that are Sprites
[supertux.git] / src / object / powerup.cpp
1 //  $Id$
2 //
3 //  SuperTux
4 //  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
5 //
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.
10 //
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.
15 //
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.
19
20 #include <config.h>
21
22 #include <stdexcept>
23 #include <math.h>
24 #include <stdexcept>
25 #include "powerup.hpp"
26 #include "resources.hpp"
27 #include "player.hpp"
28 #include "audio/sound_manager.hpp"
29 #include "object_factory.hpp"
30 #include "sector.hpp"
31 #include "log.hpp"
32
33 PowerUp::PowerUp(const lisp::Lisp& lisp)
34         : MovingSprite(lisp, LAYER_OBJECTS, COLGROUP_MOVING)
35 {
36   lisp.get("script", script);
37   no_physics = false;
38   lisp.get("disable-physics", no_physics);
39   physic.enable_gravity(true);
40 }
41
42 HitResponse
43 PowerUp::collision(GameObject& other, const CollisionHit& hit)
44 {
45   if(other.get_flags() & FLAG_SOLID) {
46     if(fabsf(hit.normal.y) > .5) { // roof or ground
47       physic.set_velocity_y(0);
48     } else { // bumped left or right
49       physic.set_velocity_x(-physic.get_velocity_x());
50     }
51
52     return CONTINUE;
53   }
54   
55   Player* player = dynamic_cast<Player*>(&other);
56   if(player == 0)
57     return FORCE_MOVE;
58
59   remove_me();
60
61   if (script != "") {
62     std::istringstream stream(script);
63     Sector::current()->run_script(stream, "powerup-script");
64     return ABORT_MOVE;
65   }
66
67   // some defaults if no script has been set
68   if (sprite_name == "images/powerups/egg/egg.sprite") {
69     player->add_bonus(GROWUP_BONUS, true);
70     sound_manager->play("sounds/grow.wav");
71   } else if (sprite_name == "images/powerups/fireflower/fireflower.sprite") {
72     player->add_bonus(FIRE_BONUS, true);
73     sound_manager->play("sounds/fire-flower.wav");
74   } else if (sprite_name == "images/powerups/star/star.sprite") {
75     player->make_invincible();
76   } else if (sprite_name == "images/powerups/1up/1up.sprite") {
77     player->get_status()->add_coins(100);
78   }
79   return ABORT_MOVE;
80 }
81
82 void
83 PowerUp::update(float elapsed_time)
84 {
85   if (!no_physics)
86     movement = physic.get_movement(elapsed_time);
87 }
88
89 IMPLEMENT_FACTORY(PowerUp, "powerup");
90