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/**
* Navit, a modular navigation system.
* Copyright (C) 2005-2008 Navit Team
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2 as published by the Free Software Foundation.
*
* 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., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <glib.h>
#include <string.h>
#include "config.h"
#include "debug.h"
#include "coord.h"
#include "item.h"
#include "navit.h"
#include "map.h"
#include "route.h"
#include "callback.h"
#include "transform.h"
#include "plugin.h"
#include "vehicle.h"
#include "event.h"
struct vehicle_priv {
int interval;
int position_set;
struct callback_list *cbl;
struct navit *navit;
struct coord_geo geo;
struct coord last;
double config_speed;
double speed;
double direction;
struct callback *timer_callback;
struct event_timeout *timer;
};
static void
vehicle_demo_destroy(struct vehicle_priv *priv)
{
g_free(priv);
}
static int
vehicle_demo_position_attr_get(struct vehicle_priv *priv,
enum attr_type type, struct attr *attr)
{
switch (type) {
case attr_position_speed:
attr->u.numd = &priv->speed;
break;
case attr_position_direction:
attr->u.numd = &priv->direction;
break;
case attr_position_coord_geo:
attr->u.coord_geo = &priv->geo;
break;
default:
return 0;
}
attr->type = type;
return 1;
}
static int
vehicle_demo_set_attr(struct vehicle_priv *priv, struct attr *attr,
struct attr **attrs)
{
if (attr->type == attr_navit) {
priv->navit = attr->u.navit;
return 1;
}
return 0;
}
struct vehicle_methods vehicle_demo_methods = {
vehicle_demo_destroy,
vehicle_demo_position_attr_get,
vehicle_demo_set_attr,
};
static void
vehicle_demo_timer(struct vehicle_priv *priv)
{
struct coord c, c2, pos, ci;
int slen, len, dx, dy;
struct route *route=NULL;
struct map *route_map=NULL;
struct map_rect *mr=NULL;
struct item *item=NULL;
len = (priv->config_speed * priv->interval / 1000)/ 3.6;
dbg(1, "###### Entering simulation loop\n");
if (priv->navit)
route=navit_get_route(priv->navit);
if (route)
route_map=route_get_map(route);
if (route_map)
mr=map_rect_new(route_map, NULL);
if (mr)
item=map_rect_get_item(mr);
if (item && item->type == type_route_start)
item=map_rect_get_item(mr);
if (item && item_coord_get(item, &pos, 1)) {
priv->position_set=0;
dbg(1, "current pos=0x%x,0x%x\n", pos.x, pos.y);
dbg(1, "last pos=0x%x,0x%x\n", priv->last.x, priv->last.y);
if (priv->last.x == pos.x && priv->last.y == pos.y) {
dbg(1, "endless loop\n");
}
priv->last = pos;
while (item && priv->config_speed) {
if (!item_coord_get(item, &c, 1)) {
item=map_rect_get_item(mr);
continue;
}
dbg(1, "next pos=0x%x,0x%x\n", c.x, c.y);
slen = transform_distance(projection_mg, &pos, &c);
dbg(1, "len=%d slen=%d\n", len, slen);
if (slen < len) {
len -= slen;
pos = c;
} else {
if (item_coord_get(item, &c2, 1) || map_rect_get_item(mr)) {
dx = c.x - pos.x;
dy = c.y - pos.y;
ci.x = pos.x + dx * len / slen;
ci.y = pos.y + dy * len / slen;
priv->direction =
transform_get_angle_delta(&pos, &c, 0);
priv->speed=priv->config_speed;
} else {
ci.x = pos.x;
ci.y = pos.y;
priv->speed=0;
dbg(0,"destination reached\n");
}
dbg(1, "ci=0x%x,0x%x\n", ci.x, ci.y);
transform_to_geo(projection_mg, &ci,
&priv->geo);
callback_list_call_0(priv->cbl);
break;
}
}
} else {
if (priv->position_set)
callback_list_call_0(priv->cbl);
}
if (mr)
map_rect_destroy(mr);
}
static struct vehicle_priv *
vehicle_demo_new(struct vehicle_methods
*meth, struct callback_list
*cbl, struct attr **attrs)
{
struct vehicle_priv *ret;
struct attr *interval,*speed,*position_coord_geo;
dbg(1, "enter\n");
ret = g_new0(struct vehicle_priv, 1);
ret->cbl = cbl;
ret->interval=1000;
ret->config_speed=40;
if ((speed=attr_search(attrs, NULL, attr_speed))) {
ret->config_speed=speed->u.num;
}
if ((interval=attr_search(attrs, NULL, attr_interval)))
ret->interval=interval->u.num;
if ((position_coord_geo=attr_search(attrs, NULL, attr_position_coord_geo))) {
ret->geo=*(position_coord_geo->u.coord_geo);
ret->position_set=1;
dbg(0,"position_set %f %f\n", ret->geo.lat, ret->geo.lng);
}
*meth = vehicle_demo_methods;
ret->timer_callback=callback_new_1(callback_cast(vehicle_demo_timer), ret);
ret->timer=event_add_timeout(ret->interval, 1, ret->timer_callback);
return ret;
}
void
plugin_init(void)
{
dbg(1, "enter\n");
plugin_register_vehicle_type("demo", vehicle_demo_new);
}
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