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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 "alarm.h"
#include "config.h"
#include "mrt/random.h"
#include "ai/herd.h"
#include "special_owners.h"
class Cow : public Object, public ai::Herd{
public:
Cow(const std::string &classname) :
Object(classname), _reaction(true) {}
virtual void tick(const float dt);
virtual void calculate(const float dt);
virtual Object * clone() const;
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(_reaction);
}
virtual void deserialize(const mrt::Serializator &s) {
Object::deserialize(s);
s.get(_reaction);
}
virtual void onIdle(const float dt);
const int getComfortDistance(const Object *other) const;
private:
Alarm _reaction;
};
const int Cow::getComfortDistance(const Object *other) const {
GET_CONFIG_VALUE("objects.cow.comfort-distance", int, cd, 200);
return (other == NULL || other->registered_name == registered_name)?cd:-1; //fixme names if you want
}
void Cow::onIdle(const float dt) {
int tt;
Config->get("objects." + registered_name + ".targeting-range", tt, 400);
ai::Herd::calculateV(_velocity, this, 0, tt);
}
void Cow::calculate(const float dt) {
if (_reaction.tick(dt) && !has_effect("panic"))
onIdle(dt);
GET_CONFIG_VALUE("objects.cow.rotation-time", float, rt, 0.2);
limit_rotation(dt, rt, true, false);
}
void Cow::tick(const float dt) {
Object::tick(dt);
if (_velocity.is0()) {
if (get_state() != "hold") {
cancel_all();
play("hold", true);
}
} else {
if (get_state() == "hold") {
cancel_all();
play("walk", true);
}
}
}
void Cow::on_spawn() {
float rt, drt = 1;
Config->get("objects." + registered_name + ".reaction-time", rt, drt);
mrt::randomize(rt, rt/10);
_reaction.set(rt);
play("hold", true);
remove_owner(OWNER_MAP);
}
void Cow::emit(const std::string &event, Object * emitter) {
if (event == "death") {
spawn("corpse", "dead-cow", v2<float>(), v2<float>());
} else if (emitter != NULL && emitter->piercing && event == "collision") {
v2<float> v;
emitter->get_velocity(v);
int dirs = get_directions_number();
int dir = v.get_direction(dirs);
dir = (dirs + dir + dirs / (mrt::random(2)?4:-4)) % dirs;
set_direction(dir);
_velocity.fromDirection(dir, dirs);
_direction = _velocity;
add_effect("panic", 3.0f);
}
Object::emit(event, emitter);
}
Object* Cow::clone() const {
return new Cow(*this);
}
REGISTER_OBJECT("cow", Cow, ("creature"));
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