/* @brief draws one path square
*
* XXX lame - alternate algorithms gladly accepted */
static void draw_one(int cx, int cy, path_t *cur, path_t *prev)
{
int rel_prev, rel_next;
float x = cur->pos.x, y = cur->pos.y;
rel_prev = rel_dir(cx, cy, prev);
rel_next = rel_dir(cx, cy, cur->next);
if(rel_prev != DIR_UP) {
if(rel_next == DIR_UP)
glColor3f(0.1, 0.1, 0.1);
else
glColor3f(1.0, 1.0, 1.0);
glVertex2f(x + GRID_SIZE/2, y + GRID_SIZE/2);
glVertex2f(x - GRID_SIZE/2, y + GRID_SIZE/2);
}
if(rel_prev != DIR_LEFT) {
if(rel_next == DIR_LEFT)
glColor3f(0.1, 0.1, 0.1);
else
glColor3f(1.0, 1.0, 1.0);
glVertex2f(x - GRID_SIZE/2, y + GRID_SIZE/2);
glVertex2f(x - GRID_SIZE/2, y - GRID_SIZE/2);
}
if(rel_prev != DIR_DOWN) {
if(rel_next == DIR_DOWN)
glColor3f(0.1, 0.1, 0.1);
else
glColor3f(1.0, 1.0, 1.0);
glVertex2f(x - GRID_SIZE/2, y - GRID_SIZE/2);
glVertex2f(x + GRID_SIZE/2, y - GRID_SIZE/2);
}
if(rel_prev != DIR_RIGHT) {
if(rel_next == DIR_RIGHT)
glColor3f(0.1, 0.1, 0.1);
else
glColor3f(1.0, 1.0, 1.0);
glVertex2f(x + GRID_SIZE/2, y - GRID_SIZE/2);
glVertex2f(x + GRID_SIZE/2, y + GRID_SIZE/2);
}
}
error_code_t cd_local(char *local_cwd, const char *command)
{
char *dir = NULL;
if (command[3] != '\0' && command[3] != ' ')
return INV_CMD;
if (command[3] == ' ')
{
dir = rel_dir(&command[4]);
if (chdir(dir) == -1)
{
if (errno == EACCES)
return NO_PERMISSION;
if (errno == ENOENT || errno == ENOTDIR)
return NO_DIR;
else
return -1;
}
free(dir);
getcwd(local_cwd, 1024);
}
return OK;
}
void cd_server(receiver_param *rp, struct frame_t *frame_info)
{
char *dir = rel_dir(frame_info->data);
char new_path[1024];
if (chdir(dir) == -1)
{
if (errno == EACCES)
send_error(rp->source_sd, NO_PERMISSION, 0);
else if (errno == ENOENT || errno == ENOTDIR)
send_error(rp->source_sd, NO_DIR, 0);
else
perror("WARNING");
}
else
send_ack(rp->source_sd, 0);
getcwd(new_path, 1024);
free(dir);
}
