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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 "alarm.h"
#include "registrar.h"
#include "config.h"
#include "mrt/random.h"
#include "ai/base.h"
class Turrel : public Object, protected ai::Base {
public:
Turrel(const std::string &classname) :
Object(classname), _reaction(true), _fire(true), _left(false) { impassability = 1; set_directions_number(8); }
virtual Object * clone() const { return new Turrel(*this); }
virtual void on_spawn();
virtual void tick(const float dt);
virtual void calculate(const float dt);
virtual void emit(const std::string &event, Object * emitter = NULL);
virtual const bool take(const BaseObject *obj, const std::string &type);
virtual const std::string getType() const { return "machinegunner"; }
virtual const int getCount() const { return -1; }
virtual void serialize(mrt::Serializator &s) const;
virtual void deserialize(const mrt::Serializator &s);
private:
Alarm _reaction, _fire;
bool _left;
};
void Turrel::on_spawn() {
play("hold", true);
float fr;
Config->get("objects." + registered_name + ".fire-rate", fr, 0.1);
_fire.set(fr);
GET_CONFIG_VALUE("objects.turrel.reaction-time", float, rt, 0.2);
mrt::randomize(rt, rt / 10);
_reaction.set(rt);
ai::Base::multiplier = 5.0f;
ai::Base::on_spawn(this);
}
void Turrel::tick(const float dt) {
Object::tick(dt);
bool ai = (_parent != NULL)? !_parent->disable_ai:true;
//LOG_DEBUG(("ai: %s, _parent: %s, parent->disable_ai : %s", ai?"true":"false", _parent?_parent->animation.c_str():"-", _parent?(_parent->disable_ai?"true":"false"):"-"));
if (_fire.tick(dt) && _state.fire && (!ai || canFire())) {
bool air_mode = (_parent != NULL)?_parent->get_player_state().alt_fire:true;
cancel_all();
play(_left? "fire-left": "fire-right", false);
play("hold", true);
std::string animation = mrt::format_string("buggy-%s-%s", air_mode?"air-bullet":"bullet", _left?"left":"right");
Object *bullet = (_parent == NULL? this: _parent)->spawn("buggy-bullet", animation, v2<float>(), _direction);
bullet->set_z(air_mode? bullet->get_z() + 2000:get_z() - 1, true);
_left = !_left;
}
}
void Turrel::calculate(const float dt) {
if (!_reaction.tick(dt))
return;
static std::set<std::string> targets;
if (targets.empty()) {
//targets.insert("missile");
targets.insert("fighting-vehicle");
targets.insert("trooper");
targets.insert("cannon");
targets.insert("kamikaze");
targets.insert("boat");
targets.insert("helicopter");
targets.insert("monster");
targets.insert("watchtower");
targets.insert("paratrooper");
}
bool air_mode = (_parent != NULL)?_parent->get_player_state().alt_fire:true;
if (air_mode || _variants.has("ground-aim")) {
v2<float> pos, vel;
int z0 = get_z();
if (air_mode) {
set_z(z0 + 2000, true); //temporary move up turrel %) hack for air mode :)
}
if (get_nearest(targets, getWeaponRange("buggy-bullet"), pos, vel, true)) {
_direction = pos;
_state.fire = true;
_direction.quantize8();
set_direction(_direction.get_direction8() - 1);
} else {
_state.fire = false;
}
if (air_mode) {
set_z(z0, true);
}
} else {
if (_parent != NULL) {
_state.fire = _parent->get_player_state().fire;
int idx = _parent->get_direction();
set_direction(idx);
_direction.fromDirection(idx, get_directions_number());
}
}
}
void Turrel::emit(const std::string &event, Object * emitter) {
if (event == "hold" || event == "move") {
cancel_all();
play(event, true);
return;
}
Object::emit(event, emitter);
}
const bool Turrel::take(const BaseObject *obj, const std::string &type) {
return false;
}
void Turrel::serialize(mrt::Serializator &s) const {
Object::serialize(s);
ai::Base::serialize(s);
s.add(_reaction);
s.add(_fire);
s.add(_left);
}
void Turrel::deserialize(const mrt::Serializator &s) {
Object::deserialize(s);
ai::Base::deserialize(s);
s.get(_reaction);
s.get(_fire);
s.get(_left);
}
REGISTER_OBJECT("turrel", Turrel, ("turrel"));
REGISTER_OBJECT("turrel-on-buggy", Turrel, ("turrel"));
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