gadgets-OSC/specific/joy2laser.c

145 righe
3.5 KiB
C

/*
* Joystick to Laser
*
* Sonoptic 2020
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <getopt.h>
#include <time.h>
#include <lo/lo.h> /* OSC library */
#include "laserblast.h"
/* ------------------------------------------------------------------- */
#define LOCAL_PORT "9000"
#define REMOTE_HOST "localhost" /* just loling */
#define REMOTE_PORT "9999"
int verbosity = 0;
int scenenumber = 1,
lasernumber = 1;
/* ------------------------------------------------------------------- */
int draw_this_point(int x, int y)
{
float fx, fy;
fx = (32768.0 + (float)x) / 94.7;
fy = (32768.0 + (float)y) / 94.7;
#define SZ 10.0
blast_rewind();
blast_addpoint(fx-SZ, fy-SZ, 0xffffff);
blast_addpoint(fx-SZ, fy+SZ, 0xffffff);
blast_addpoint(fx+SZ, fy+SZ, 0xffffff);
blast_addpoint(fx+SZ, fy-SZ, 0xffffff);
blast_addpoint(fx-SZ, fy-SZ, 0);
blast_flush(0);
return 0;
}
/* ------------------------------------------------------------------- */
int xy_handler(const char *path, const char *types, lo_arg ** argv,
int argc, void *data, void *user_data)
{
int val_x, val_y;
int foo;
#if DEBUG_LEVEL
fprintf(stderr, ">>> %s ( %s %s %d )\n", __func__, path, types, argc);
#endif
val_x = argv[0]->i; val_y = argv[1]->i;
if (verbosity) fprintf(stderr, "%6d %6d\n", val_x, val_y);
foo = draw_this_point(val_x, val_y);
return 0;
}
/* ------------------------------------------------------------------- */
void error(int num, const char *msg, const char *path)
{
fprintf(stderr, "liblo server error %d in path %s : %s\n", num, path, msg);
exit(1);
}
/* ------------------------------------------------------------------- */
int help(int k)
{
puts("HELP ME !");
puts("\t-p NNN\t\tlocal listening port");
puts("\t-R a.b.c.d\tremote host");
puts("\t-P NNN\t\tremote port");
puts("\t-L N\t\tlaser number");
puts("\t-S N\t\tscene number");
puts("\t-v\t\tincrease verbosity");
return 1;
}
/* ------------------------------------------------------------------- */
int main(int argc, char *argv[])
{
char *local_port = LOCAL_PORT;
char *remote_host = REMOTE_HOST;
char *remote_port = REMOTE_PORT;
int opt, foo;
lo_server_thread st;
long starttime;
fprintf(stderr, "%s compiled %s at %s\n",argv[0], __DATE__, __TIME__);
/* parsing command line options */
while ((opt = getopt(argc, argv, "hp:vL:S:R:P:")) != -1) {
switch (opt) {
case 'h': if (help(0)) exit(1); break;
case 'p': local_port = optarg; break;
case 'R': remote_host = optarg; break;
case 'P': remote_port = optarg; break;
case 'L': lasernumber = atoi(optarg); break;
case 'S': scenenumber = atoi(optarg); break;
case 'v': verbosity++; break;
}
}
if (verbosity) {
fprintf(stderr, "-----------: %s\n", argv[0]);
fprintf(stderr, "pid : %d\n", getpid());
fprintf(stderr, "local port : %s\n", local_port);
fprintf(stderr, "scene : %d\n", scenenumber);
fprintf(stderr, "laser : %d\n", lasernumber);
fprintf(stderr, "remote : %s %s\n", remote_host, remote_port);
}
foo = blast_init(remote_host, remote_port, scenenumber, lasernumber);
if (foo) {
fprintf(stderr, "blast init error : %d\n", foo);
exit(1);
}
st = lo_server_thread_new(local_port, error);
lo_server_thread_add_method(st, "/joystick/xy", "ii", xy_handler, NULL);
lo_server_thread_start(st);
starttime = time(NULL) / 60;
for (;;) {
if (verbosity)
fprintf(stderr, "\tt = %ld min.\n",
(time(NULL)/60L) - starttime);
sleep(60);
}
return 8;
}
/* ------------------------------------------------------------------- */