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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 "mrt/random.h"
#include "tmx/map.h"
#include "game_monitor.h"
#include "world.h"
class Wagon : public Object {
public:
Wagon() : Object("train") { set_directions_number(1); }
virtual void on_spawn() {
play("move", true);
disown();
Object *o = World->getObjectByID(get_summoner());
if (o == NULL) {
emit("death", NULL);
return;
}
add_owner(o->get_id());
}
virtual Object * clone() const { return new Wagon(*this); }
virtual void calculate(const float dt) {
Object *o = World->getObjectByID(get_summoner());
if (o == NULL) {
emit("death", NULL);
return;
}
_velocity = get_relative_position(o);
float l = _velocity.normalize();
//LOG_DEBUG(("velocity: %g,%g (%g) (%g)", _velocity.x, _velocity.y, l, 1.2f * size.y));
if (l < 1.0f * size.y || l > 1.2f * size.y)
_velocity.clear(); //too close or far
}
virtual void emit(const std::string &event, Object * emitter = NULL) {
if (event == "death") {
spawn("impassable-corpse", "dead-choo-choo-wagon");
}
Object::emit(event, emitter);
}
void get_impassability_penalty(const float impassability, float &base, float &base_value, float &penalty) const {
base = base_value = penalty = 0;
}
};
class Train : public Object {
public:
Train() : Object("train"), _smoke(1.0, true), _wagon_id(0) { set_directions_number(1); }
virtual Object * clone() const;
virtual void on_spawn();
virtual void calculate(const float dt);
virtual void tick(const float dt);
virtual void emit(const std::string &event, Object * emitter = NULL);
void get_impassability_penalty(const float impassability, float &base, float &base_value, float &penalty) const {
base = base_value = penalty = 0;
}
virtual void serialize(mrt::Serializator &s) const {
Object::serialize(s);
s.add(dst_y);
s.add(_smoke);
s.add(_wagon_id);
}
virtual void deserialize(const mrt::Serializator &s) {
Object::deserialize(s);
s.get(dst_y);
s.get(_smoke);
s.get(_wagon_id);
}
private:
int dst_y;
Alarm _smoke;
int _wagon_id;
};
void Train::on_spawn() {
play("move", true);
v2<int> map_size = Map->get_size();
dst_y = map_size.y - (int)(size.y) / 2 - 4; //fixme. :)
disown();
if (_variants.has("standing"))
classname = "destructable-object";
}
void Train::emit(const std::string &event, Object * emitter) {
if (event == "death") {
Object * o = spawn("impassable-corpse", "dead-choo-choo-train");
o->impassability = 1;
}
Object::emit(event, emitter);
}
void Train::tick(const float dt) {
Object::tick(dt);
if (Map->torus()) {
if (!_wagon_id) {
_wagon_id = spawn("choo-choo-wagon", "choo-choo-wagon", v2<float>(0, -size.y))->get_id();
}
} else {
v2<int> pos;
get_position(pos);
if (pos.y >= 0 && !_wagon_id) {
_wagon_id = spawn("choo-choo-wagon", "choo-choo-wagon", v2<float>(0, -size.y))->get_id();
}
if (pos.y >= dst_y && !GameMonitor->game_over()) {
LOG_DEBUG(("escaped!"));
if (_variants.has("win-on-exit"))
GameMonitor->game_over("messages", "train-saved", 3, true);
//Object::emit("death", NULL);
}
}
//LOG_DEBUG(("pos: %d dst: %d", pos.y, dst_y));
if (_smoke.tick(dt)) {
spawn("train-smoke", "train-smoke");
}
}
void Train::calculate(const float dt) {
_state.down = true;
Object::calculate(dt);
}
Object* Train::clone() const {
return new Train(*this);
}
REGISTER_OBJECT("choo-choo-train", Train, ());
REGISTER_OBJECT("choo-choo-wagon", Wagon, ());
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