1 /* Battle Tanks Game
2 * Copyright (C) 2006-2009 Battle Tanks team
3 *
4 * This program is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU General Public License
6 * as published by the Free Software Foundation; either version 2
7 * of the License, or (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the Free Software
16 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 */
18
19 /*
20 * Additional rights can be granted beyond the GNU General Public License
21 * on the terms provided in the Exception. If you modify this file,
22 * you may extend this exception to your version of the file,
23 * but you are not obligated to do so. If you do not wish to provide this
24 * exception without modification, you must delete this exception statement
25 * from your version and license this file solely under the GPL without exception.
26 */
27
28 #include "object.h"
29 #include "registrar.h"
30 #include "config.h"
31
32 class PoisonCloud : public Object {
33 public:
PoisonCloud()34 PoisonCloud() : Object("poison"), _damage(true) { pierceable = true; }
clone() const35 virtual Object * clone() const { return new PoisonCloud(*this); }
36 virtual void on_spawn();
37 virtual void tick(const float dt);
38 virtual void emit(const std::string &event, Object * emitter = NULL);
39
serialize(mrt::Serializator & s) const40 virtual void serialize(mrt::Serializator &s) const {
41 Object::serialize(s);
42 s.add(_damaged_objects);
43 s.add(_damage);
44 }
45
deserialize(const mrt::Serializator & s)46 virtual void deserialize(const mrt::Serializator &s) {
47 Object::deserialize(s);
48 s.get(_damaged_objects);
49 s.get(_damage);
50 }
51
52 private:
53 std::set<int> _damaged_objects;
54 Alarm _damage;
55 };
56
tick(const float dt)57 void PoisonCloud::tick(const float dt) {
58 Object::tick(dt);
59 if (_damage.tick(dt)) {
60 _damaged_objects.clear();
61 }
62 }
63
on_spawn()64 void PoisonCloud::on_spawn() {
65 float di;
66 Config->get("objects." + registered_name + ".damage-interval", di, 1);
67 _damage.set(di);
68
69 if (registered_name.substr(0, 7) != "static-")
70 play("start", false);
71
72 play("main", true);
73 disown();
74 }
75
emit(const std::string & event,Object * emitter)76 void PoisonCloud::emit(const std::string &event, Object * emitter) {
77 if (event == "collision") {
78 if (emitter == NULL)
79 return;
80
81 const std::string &ec = emitter->classname;
82 if (ec != "trooper" && ec != "civilian" &&
83 ec != "kamikaze" && ec != "watchtower" &&
84 ec != "monster" && ec != "cannon" &&
85 emitter->registered_name != "machinegunner")
86 return;
87
88 const int id = emitter->get_id();
89 if (_damaged_objects.find(id) != _damaged_objects.end())
90 return; //damage was already added for this object.
91
92 _damaged_objects.insert(id);
93 if (emitter->get_variants().has("poison-resistant")) {
94 return;
95 }
96 emitter->add_damage(this, max_hp);
97 } else Object::emit(event, emitter);
98 }
99
100 REGISTER_OBJECT("smoke-cloud", PoisonCloud, ());
101 REGISTER_OBJECT("static-smoke-cloud", PoisonCloud, ());
102