d422c2a10c8a4a775bd5098d4d91c4f7a285f082
[supertux.git] / src / object / growup.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 <math.h>
23 #include "growup.hpp"
24 #include "resources.hpp"
25 #include "camera.hpp"
26 #include "sector.hpp"
27 #include "player.hpp"
28 #include "audio/sound_manager.hpp"
29
30 GrowUp::GrowUp(Direction direction)
31         : MovingSprite(Vector(0,0), "images/powerups/egg/egg.sprite", LAYER_OBJECTS, COLGROUP_MOVING)
32 {
33   physic.enable_gravity(true);
34   physic.set_velocity_x((direction == LEFT)?-100:100);
35   sound_manager->preload("sounds/grow.ogg");
36 }
37
38 void
39 GrowUp::update(float elapsed_time)
40 {
41   movement = physic.get_movement(elapsed_time);
42 }
43
44 void
45 GrowUp::collision_solid(const CollisionHit& hit)
46 {
47   if(hit.top)
48     physic.set_velocity_y(0);
49   if(hit.bottom && physic.get_velocity_y() > 0)
50     physic.set_velocity_y(0);
51   if(hit.left || hit.right)
52     physic.set_velocity_x(-physic.get_velocity_x());
53 }
54
55 HitResponse
56 GrowUp::collision(GameObject& other, const CollisionHit& hit )
57 {
58   Player* player = dynamic_cast<Player*>(&other);
59   if(player != 0) {
60     if(!player->add_bonus(GROWUP_BONUS, true)){
61       // Tux can't grow right now.
62       collision_solid( hit );
63       return ABORT_MOVE;
64     }
65
66     sound_manager->play("sounds/grow.ogg");
67     remove_me();
68
69     return ABORT_MOVE;
70   }
71
72   return FORCE_MOVE;
73 }
74
75 void
76 GrowUp::do_jump()
77 {
78     physic.set_velocity_y(-300);
79 }