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/* Battle Tanks Game
* Copyright (C) 2006-2009 Battle Tanks team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
/*
* Additional rights can be granted beyond the GNU General Public License
* on the terms provided in the Exception. If you modify this file,
* you may extend this exception to your version of the file,
* but you are not obligated to do so. If you do not wish to provide this
* exception without modification, you must delete this exception statement
* from your version and license this file solely under the GPL without exception.
*/
#include "object.h"
#include "registrar.h"
#include "tmx/map.h"
#include "config.h"
#include "game.h"
#include "i18n.h"
#include "game_monitor.h"
#include "sound/mixer.h"
#include "mrt/random.h"
#include "resource_manager.h"
#include <set>
class Explosion : public Object {
public:
Explosion() : Object("explosion"), _damaged_objects(), _players_killed(0), _damage_done(false) { hp = -1; impassability = 0; pierceable = true; }
Object* clone() const { return new Explosion(*this); }
virtual void tick(const float dt);
virtual void on_spawn();
virtual void emit(const std::string &event, Object * emitter = NULL);
virtual void serialize(mrt::Serializator &s) const {
Object::serialize(s);
s.add(_damaged_objects);
s.add(_damage_done);
s.add(_players_killed);
}
virtual void deserialize(const mrt::Serializator &s) {
Object::deserialize(s);
s.get(_damaged_objects);
s.get(_damage_done);
s.get(_players_killed);
}
void damageMap() const;
private:
std::set<int> _damaged_objects;
int _players_killed;
bool _damage_done;
};
void Explosion::damageMap() const {
//add damage for the map.
v2<float> pos;
get_center_position(pos);
Map->damage(pos, max_hp, (size.x + size.y) / 4);
}
void Explosion::tick(const float dt) {
Object::tick(dt);
const std::string state = get_state();
GET_CONFIG_VALUE("objects.nuke-explosion.damage-map-after", float, dma, 0.65);
if (
!_damage_done && get_state_progress() >= dma && state != "start"
) {
_damage_done = true;
if (registered_name != "mutagen-explosion")
damageMap();
}
if (state.empty()) {
emit("death", this);
}
}
void Explosion::on_spawn() {
play("boom", false);
if (_variants.has("building")) {
play_random_sound("building-explosion", false);
}
if (registered_name == "nuke-explosion" && !_variants.has("no-shaking"))
Game->shake(1, 4);
disown();
}
#include "player_manager.h"
#include "world.h"
void Explosion::emit(const std::string &event, Object * emitter) {
if (event == "collision") {
if (emitter == NULL || registered_name == "explosion" ||
(emitter->registered_name.size() >= 9 &&
emitter->registered_name.substr(emitter->registered_name.size() - 9, 9) == "explosion")
|| emitter->classname == "poison"
)
return;
const int id = emitter->get_id();
assert(emitter != NULL);
if (_damaged_objects.find(id) != _damaged_objects.end())
return; //damage was already added for this object.
if (registered_name == "mutagen-explosion") {
if (_variants.has("chained") && emitter->classname == "explosive" && emitter->get_state() == "main") {
float p = get_state_progress();
//LOG_DEBUG(("%d: progress = %g", get_id(), p));
if (p < 0.03f)
return;
emitter->emit("destroy", this);
_damaged_objects.insert(id);
return;
}
static std::set<std::string> mutable_classes;
if (mutable_classes.empty()) {
mutable_classes.insert("trooper");
mutable_classes.insert("creature");
mutable_classes.insert("kamikaze");
mutable_classes.insert("civilian");
}
if (emitter->registered_name.compare(0, 6, "zombie") == 0) {
emitter->hp = emitter->max_hp;
}
if (mutable_classes.find(emitter->classname) != mutable_classes.end()) {
//mutation
GET_CONFIG_VALUE("objects.mutagen-explosion.mutation-probability", float, mp, 0.5f);
int p = mrt::random(1000);
if (_variants.has("100%") || p < 1000 * mp) {
//mutation
std::string an = "mutated-" + emitter->registered_name;
//LOG_DEBUG(("checking for animation '%s'", an.c_str()));
if (ResourceManager->hasAnimation(an)) {
emitter->init(an);
} else {
Object * zombie = emitter->spawn((p&1)? "zombie": "slime", (p&1)? "zombie": "slime");
emitter->attachVehicle(zombie);
}
}
}
} else {
emitter->add_damage(this, max_hp);
}
if (!emitter->is_dead())
_damaged_objects.insert(id);
if (emitter->is_dead() && emitter->classname == "player") {
++_players_killed;
if (_players_killed == 2) {
Mixer->playRandomSample(NULL, "laugh", false);
}
}
invalidate();
} else if (event == "death") {
if (_players_killed > 1) {
std::string combo = I18n->get("messages", "combo");
GameMonitor->pushState(mrt::format_string("%dx %s", _players_killed, combo.c_str()), 2);
}
Object::emit(event, emitter);
} else Object::emit(event, emitter);
}
REGISTER_OBJECT("explosion", Explosion, ());
REGISTER_OBJECT("nuke-explosion", Explosion, ());
REGISTER_OBJECT("cannon-explosion", Explosion, ());
REGISTER_OBJECT("mortar-explosion", Explosion, ());
REGISTER_OBJECT("grenade-explosion", Explosion, ());
REGISTER_OBJECT("mutagen-explosion", Explosion, ());
REGISTER_OBJECT("kamikaze-explosion", Explosion, ());
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