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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 "config.h"
#include "registrar.h"
class MortarBullet : public Object {
public:
Object *clone() const { return new MortarBullet(*this); }
MortarBullet() : Object("bullet"), age(0) {
impassability = -1;
piercing = true;
set_directions_number(1);
}
void on_spawn() {
play("shot", false);
play("move", true);
_vel_backup = _direction = _velocity;
}
void calculate(const float dt) {
age += dt;
float real_ttl = ttl + age;
GET_CONFIG_VALUE("objects.mortar-bullet.g", float, g, 2.0f);
float v0 = real_ttl * g / 2;
float t = real_ttl - ttl;
_velocity = v2<float>(0, g * t - v0) + _vel_backup;
float progress = ttl / real_ttl;
bool fly = (progress >= 0.3f && progress < 0.7f);
if (fly && get_z() != 999) {
set_z(999);
} else if (!fly && get_z() != 201) {
set_z(201);
}
}
void emit(const std::string &event, Object * emitter) {
if (emitter != NULL && (emitter->classname == "smoke-cloud" || emitter->classname == "bullet") )
return;
bool collision = event == "collision";
bool mortar = registered_name == "mortar-bullet";
if (collision) {
float progress = ttl / (ttl + age);
bool fly = (progress >= 0.3f && progress < 0.7f);
//LOG_DEBUG(("fly: %c, emitter: %s", fly?'+':'-', emitter != NULL?emitter->animation.c_str(): "-"));
if (fly && (emitter == NULL || (emitter->speed == 0 && emitter->registered_name != "sandworm-head")))
return;
}
if (collision || event == "death") {
v2<float> dpos;
if (emitter) {
dpos = get_relative_position(emitter) / 2;
}
if (mortar)
spawn("mortar-explosion", "mortar-explosion", dpos);
else
spawn("grenade-explosion", "grenade-explosion", dpos);
Object::emit("death", emitter);
return;
}
Object::emit(event, emitter);
}
virtual void serialize(mrt::Serializator &s) const {
Object::serialize(s);
s.add(_vel_backup);
s.add(age);
}
virtual void deserialize(const mrt::Serializator &s) {
Object::deserialize(s);
s.get(_vel_backup);
s.get(age);
}
private:
v2<float> _vel_backup;
float age;
};
REGISTER_OBJECT("mortar-bullet", MortarBullet, ());
REGISTER_OBJECT("grenade", MortarBullet, ());
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