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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 <assert.h>
#include "registrar.h"
#include "object.h"
#include "tank.h"
#include "config.h"
#include "special_owners.h"
void Tank::get_impassability_penalty(const float impassability, float &base, float &base_value, float &penalty) const {
if (impassability > 0.4) {
penalty = 0;
base_value = 0.3;
} else {
penalty = 0.3/0.4;
}
}
Tank::Tank(const std::string &classname)
: Object(classname), _fire(false) {
}
void Tank::on_spawn() {
if (registered_name.substr(0, 6) == "static") {
remove_owner(OWNER_MAP);
disable_ai = true;
}
Object *_smoke = add("smoke", "single-pose", "tank-smoke", v2<float>(), Centered);
_smoke->impassability = 0;
Object *_missiles = add("mod", "missiles-on-tank", "guided-missiles-on-tank", v2<float>(), Centered);
_missiles->impassability = 0;
GET_CONFIG_VALUE("objects.tank.fire-rate", float, fr, 0.3);
_fire.set(fr);
play("hold", true);
}
Object * Tank::clone() const {
return new Tank(*this);
}
void Tank::emit(const std::string &event, Object * emitter) {
if (event == "death") {
cancel_all();
spawn("corpse", "dead-" + animation);
_velocity.clear();
_dead = true;
detachVehicle();
Object::emit(event, emitter);
} else
Object::emit(event, emitter);
}
const bool Tank::take(const BaseObject *obj, const std::string &type) {
if (Object::take(obj, type))
return true;
if (obj->classname == "effects") {
float def = 10;
if (type == "dispersion") {
def = -1;
remove_effect("dirt");
remove_effect("ricochet");
} else if (type == "ricochet") {
def = 60;
remove_effect("dirt");
remove_effect("dispersion");
}
float d;
Config->get("objects.tank." + type + ".duration", d, def);
add_effect(type, d);
return true;
}
if (get("mod")->take(obj, type))
return true;
return false;
}
void Tank::calculate(const float dt) {
Object::calculate(dt);
GET_CONFIG_VALUE("objects.tank.rotation-time", float, rt, 0.05);
limit_rotation(dt, rt, true, false);
}
void Tank::tick(const float dt) {
if (get_state().empty()) {
play("hold", true);
}
Object::tick(dt);
if (!playing_sound("vehicle-sound")) {
play_sound("vehicle-sound", true, 0.4f);
}
bool fire_possible = _fire.tick(dt);
_velocity.normalize();
if (_velocity.is0()) {
cancel_repeatable();
play("hold", true);
group_emit("mod", "hold");
} else {
if (get_state() == "hold") {
cancel_all();
play("start", false);
play("move", true);
group_emit("mod", "move");
}
}
if (_state.fire && fire_possible) {
_fire.reset();
if (get_state() == "fire")
cancel();
play_now("fire");
//LOG_DEBUG(("vel: %f %f", _state.old_vx, _state.old_vy));
//v2<float> v = _velocity.is0()?_direction:_velocity;
//v.normalize();
std::string bullet("tank-bullet");
std::string var;
if (has_effect("dirt")) {
bullet = "dirt-bullet";
} else if (has_effect("dispersion")) {
bullet = "dispersion-bullet";
} else if (has_effect("ricochet")) {
bullet = "ricochet-bullet";
var = "(auto-aim)";
}
spawn(bullet + var, bullet, v2<float>(), _direction);
}
if (_state.alt_fire && fire_possible) {
_fire.reset();
group_emit("mod", "launch");
}
//LOG_DEBUG(("_velocity: %g %g", _velocity.x, _velocity.y));
}
void Tank::serialize(mrt::Serializator &s) const {
Object::serialize(s);
s.add(_fire);
}
void Tank::deserialize(const mrt::Serializator &s) {
Object::deserialize(s);
s.get(_fire);
}
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