1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536
|
/*
*****************************************************
*
* SaVi by Lloyd Wood (lloydwood@users.sourceforge.net),
* Patrick Worfolk (worfolk@alum.mit.edu) and
* Robert Thurman.
*
* Copyright (c) 1997 by The Geometry Center.
* Also Copyright (c) 2017 by Lloyd Wood.
*
* This file is part of SaVi. SaVi is free software;
* you can redistribute it and/or modify it only under
* the terms given in the file COPYRIGHT which you should
* have received along with this file. SaVi may be
* obtained from:
* http://savi.sourceforge.net/
* http://www.geom.uiuc.edu/locate/SaVi
*
*****************************************************
*
* main.c
*
* $Id: main.c,v 1.94 2017/06/26 04:46:33 lloydwood Exp $
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <time.h>
#include "utils.h"
#include "constants.h"
#include "coverage_vis.h"
#include "globals.h"
#include "sats.h"
#include "savi.h"
#include "tcl_utils.h"
#include "gv_utils.h"
static unsigned int check_env_vars(void);
static void decode_cmd_line(int argc, char *argv[]);
int
main(int argc, char *argv[])
{
char buf[] = "main(update)";
/* decode command line */
decode_cmd_line(argc, argv);
/* initialize geomview if started as a module */
if (geomview_module) {
if (!gv_stream_init_proc()) {
error("could not open pipe to Geomview; savi is now running standalone.");
geomview_module = FALSE;
} else if (!gv_init()) {
error("could not initialise Geomview (main: error in gv_init).");
geomview_module = FALSE;
} else {
GV_BINARY_FORMAT_AVAILABLE = gv_init_proc();
}
}
if (!check_env_vars()) {
error("edit and run the savi wrapper script in savi's directory to set locations.");
}
Tcl_FindExecutable(argv[0]);
interp = Tcl_CreateInterp();
/* initialize Tcl interface */
if (!tcl_init(interp)) {
error_and_exit("could not initialise Tcl (main: error in tcl_init).");
}
/* initialize Tk interface */
if (!tk_init(interp)) {
error_and_exit("could not initialise Tk (main: error in tk_init).");
}
/* load up a single satellite */
if (!first_filename) {
satellite_init();
}
/* initialise satellites */
sats_init();
/* and update interface */
if (!tcl_script(buf)) {
error_and_exit("is SaVi compiled correctly? "
"Edit savi startup scripts to set locations.");
}
/* loop until exit */
while (sats_update() && tk_update());
Tcl_DeleteInterp(interp);
exit(0);
}
static unsigned int
check_env_vars(void)
{
unsigned int all_env_found = TRUE;
if (!getenv("SAVI")) {
error("$SAVI was not set to location of savi directory containing launch script.");
all_env_found = FALSE;
}
if (!getenv("TCL_LIBRARY")) {
error("$TCL_LIBRARY was not set to location of directory containing Tcl.");
all_env_found = FALSE;
}
if (!getenv("TK_LIBRARY")) {
error("$TK_LIBRARY was not set to location of directory containing Tk.");
all_env_found = FALSE;
}
return all_env_found;
}
static void
decode_cmd_line(int argc, char *argv[])
{
unsigned int unknown_parameters = 0;
unsigned int skipped_filenames = 0;
unsigned int more_filenames = 0;
unsigned int special_flags_done = 0;
unsigned int length_filename = 0;
char temp_buffer[LENGTH_STRING_BUFFER];
char temp_switches[LENGTH_STRING_BUFFER];
char *switches = temp_switches;
char *command_line = command_switches;
char *script_filename = NULL;
FILE *script_file = NULL;
int give_version = FALSE;
int give_help = FALSE;
int coverage_large_map = FALSE;
int not_fake_geomview = FALSE;
int levels_error = FALSE;
int levels_format_error = FALSE;
int orbit_model_unknown = FALSE;
int map_longitude_error = FALSE;
int map_format_error = FALSE;
int map_view_error = FALSE;
int map_view_height = 0;
int min_transmit_altitude_error = FALSE;
int max_transmit_altitude_error = FALSE;
int length_savi_name, length_switches;
unsigned int i;
int can_use_zlib = capable_of_compression();
for (i = 1; i < argc; i++) {
/* argv[0] gives name of binary, not wrapper script */
if (strcmp(argv[i], "-geomview") == 0) {
not_fake_geomview = TRUE;
geomview_module = TRUE;
} else if (strcmp(argv[i], "-fake-geomview") == 0) {
geomview_module = TRUE;
fake_geomview_module = TRUE;
} else if (strcmp(argv[i], "-debug") == 0) {
debug = TRUE;
} else if (strcmp(argv[i], "-help") == 0) {
special_flags_done++;
give_help = TRUE;
} else if (strcmp(argv[i], "-large-map") == 0) {
coverage_large_map = TRUE;
} else if (strcmp(argv[i], "-dynamic-texture-with-map") == 0) {
geomview_texture_with_map = TRUE;
} else if (strcmp(argv[i], "-gzip-compressed-textures") == 0) {
geomview_compress2_textures = FALSE;
} else if (strcmp(argv[i], "-uncompressed") == 0) {
geomview_compressed_images = FALSE;
} else if (strcmp(argv[i], "-no-logo") == 0) {
geomview_logo = FALSE;
} else if (strcmp(argv[i], "-redrawn-menus") == 0) {
buttons_menu = TRUE;
} else if (strcmp(argv[i], "-version") == 0) {
special_flags_done++;
give_version = TRUE;
} else if (strcmp(argv[i], "-splash") == 0) {
splash_about = TRUE;
} else if (strcmp(argv[i], "-sun-lighting") == 0) {
geomview_sun_lighting = TRUE;
} else if (strcmp(argv[i],"-levels") == 0) {
if (++i < argc) {
if (sscanf((char *) argv[i], "%i", &NUM_COLORS) == 1) {
if ((NUM_COLORS < 1) ||
(NUM_COLORS > 19)) {
NUM_COLORS = 0;
levels_error = TRUE;
}
} else {
levels_format_error = TRUE;
i--;
}
}
} else if (strcmp(argv[i],"-orbit-model") == 0) {
if (++i < argc) {
if (strcmp(argv[i],"J0") == 0) {
orbit_model = J0;
} else if (strcmp(argv[i],"J2") == 0) {
orbit_model = J2;
} else {
orbit_model_unknown = TRUE;
i--;
}
} else {
orbit_model_unknown = TRUE;
}
} else if (strcmp(argv[i],"-map-view-middle") == 0) {
if (++i < argc) {
if (sscanf((char *) argv[i], "%i", &coverage_display_center_longitude) == 1) {
if ((coverage_display_center_longitude < -180) ||
(coverage_display_center_longitude > 180)) {
coverage_display_center_longitude = 0;
map_longitude_error = TRUE;
}
} else {
map_format_error = TRUE;
i--;
}
}
} else if (strcmp(argv[i],"-map-view-height") == 0) {
if (++i < argc) {
if (sscanf((char *) argv[i], "%i", &map_view_height) != 1) {
map_view_error = TRUE;
i--;
}
}
} else if (strcmp(argv[i],"-min-transmit-altitude") == 0) {
if (++i < argc) {
if (sscanf((char *) argv[i], "%i", &min_transmit_altitude) != 1) {
min_transmit_altitude_error = TRUE;
i--;
}
}
} else if (strcmp(argv[i],"-max-transmit-altitude") == 0) {
if (++i < argc) {
if (sscanf((char *) argv[i], "%i", &max_transmit_altitude) != 1) {
max_transmit_altitude_error = TRUE;
i--;
}
}
} else if (strncmp(argv[i],"-",1) == 0) {
unknown_parameters++;
} else if (!script_filename) {
if (NULL == (script_file = fopen(argv[i], "r"))) {
skipped_filenames++;
} else {
script_filename = argv[i];
fclose(script_file);
length_filename = strlen(script_filename);
}
} else if (!more_filenames) {
error("already found specified file. Ignoring any additional filenames.");
more_filenames++;
}
}
if (!can_use_zlib) {
/* turn off all compression flags */
geomview_compress2_textures = FALSE;
geomview_compressed_images = FALSE;
}
if (give_version) {
fprintf(stderr,"\n%s\n",Version);
sprintf(temp_buffer," -version");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (unknown_parameters) {
if (unknown_parameters == 1) {
error("Unknown flag passed to SaVi.");
} else {
error("Multiple unknown flags passed to SaVi.");
}
give_help = TRUE;
}
if (give_help) {
error("supported command-line options when SaVi is run standalone include:\n"
"savi [-large-map] [-levels <n>] [-debug] [-fake-geomview] [-redrawn-menus]\n"
" [-map-view-height <no. of pixels>] [-map-view-middle <longitude>] \n"
" [-max-transmit-altitude <kilometers>] [-min-transmit-altitude <kilometers>]\n"
" [-orbit-model <J0|J2>] [filename]");
error("further flags become available when SaVi is run from Geomview:\n"
"savi [-geomview] [-dynamic-texture-with-map] [-gzip-compressed-textures]\n"
" [-uncompressed] [-no-logo] [-sun-lighting]");
error("other useful flags:\n"
"savi -help repeats this help information at the command line.\n"
"savi -version provides version information at the command line.\n"
"savi -splash shows copyright and version information in a window.\n");
sprintf(temp_buffer," -help");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (special_flags_done &&
(special_flags_done == argc - unknown_parameters - 1)) {
/*
* exit only if only help or version information was requested,
* but continue if they were requested along with any other valid flag.
*/
exit(0);
}
if (skipped_filenames) {
if (skipped_filenames > 1) {
error("couldn't find multiple files passed as parameters.");
} else {
error("couldn't find file passed as parameter.");
}
}
if (script_filename) {
first_filename = script_filename;
/*
* Only display filename if multiple filenames given means ambiguity.
*/
if (skipped_filenames || more_filenames) {
error("loading specified file:");
error(script_filename);
}
}
if (!geomview_module) {
error("For 3D visualization, run from within Geomview.");
if (!geomview_logo) {
error("logo control is for Geomview.");
geomview_logo = TRUE;
}
if (geomview_texture_with_map) {
error("dynamic texture mapping only under Geomview.");
geomview_dynamic_texture_flag = FALSE;
geomview_texture_with_map = FALSE;
}
if (geomview_sun_lighting) {
error("sun lighting control is only in Geomview.");
geomview_sun_lighting = FALSE;
}
}
if (fake_geomview_module) {
if (!not_fake_geomview) {
error("Enabling all features that normally require Geomview.");
sprintf(temp_buffer," -fake-geomview");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
} else {
error("-geomview overrides -fake-geomview. Waiting for Geomview.");
fake_geomview_module = FALSE;
}
}
if (!can_use_zlib) {
error("compiled without zlib compression.");
}
if (levels_error) {
error("Only 1 to 19 levels of color shading are supported.");
}
if (levels_format_error) {
error("format is -levels <levels of color shading>. Default is 4.");
}
if (NUM_COLORS) {
if (NUM_COLORS == 1) {
error("one level of color shading selected for all coverage.");
} else {
fprintf(stderr, "\nSaVi: %i levels of color shading selected.",
NUM_COLORS);
}
sprintf(temp_buffer," -levels %i", NUM_COLORS);
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (orbit_model_unknown) {
error("unfamiliar orbit model. format is -orbit-model <J0|J2>. Selecting J2.");
} else if (orbit_model == J0) {
error("selected J0 orbital model for classical mechanics.");
sprintf(temp_buffer, " -orbit-model J0");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
} else if (orbit_model == J2) {
error("defaulting to J2 orbital model.");
sprintf(temp_buffer, " -orbit-model J2");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (map_format_error) {
error("format is -map-view-middle <longitude>");
}
if (map_longitude_error) {
error("longitude given for middle of map view is invalid.");
}
if (map_view_error) {
error("format is -map-view-height <number of pixels>");
}
if (min_transmit_altitude_error) {
error("format is -min-transmit-altitude <kilometers>");
}
if (max_transmit_altitude_error) {
error("format is -max-transmit-altitude <kilometers>");
}
if (min_transmit_altitude > 0) {
sprintf(temp_buffer, " -min-transmit-altitude %i", min_transmit_altitude);
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
} else {
min_transmit_altitude = -1;
}
if (max_transmit_altitude > 0) {
sprintf(temp_buffer, " -max-transmit-altitude %i", max_transmit_altitude);
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
} else {
max_transmit_altitude = -1;
}
if (buttons_menu) {
sprintf(temp_buffer, " -redrawn-menus");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (debug) {
sprintf(temp_buffer, " -debug");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (coverage_custom_height_valid(map_view_height)) {
Image_Height = map_view_height;
Image_Width = 2 * Image_Height;
fprintf(stderr, "\nSaVi: coverage map sized to %i by %i pixels.",
Image_Width, Image_Height);
sprintf(temp_buffer," -map-view-height %i", map_view_height);
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
} else if (coverage_large_map) {
Image_Width = IMAGE_LARGE_WIDTH;
Image_Height = IMAGE_LARGE_HEIGHT;
error("large default map size selected.");
sprintf(temp_buffer," -large-map");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (coverage_display_center_longitude) {
sprintf(temp_buffer, " -map-view-middle %i", coverage_display_center_longitude);
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (geomview_module) {
sprintf(temp_buffer, " -geomview");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
if (geomview_texture_with_map) {
sprintf(temp_buffer, " -dynamic-texture-with-map");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (!geomview_compress2_textures && geomview_compressed_images) {
sprintf(temp_buffer, " -gzip-compressed-textures");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (!geomview_compressed_images && can_use_zlib) {
sprintf(temp_buffer, " -uncompressed");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (!geomview_logo) {
sprintf(temp_buffer, " -no-logo");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
if (geomview_sun_lighting) {
error("buggy sun lighting positioning enabled under Geomview.");
sprintf(temp_buffer, " -sun-lighting");
sprintf(switches, temp_buffer);
switches += strlen(temp_buffer);
}
}
length_savi_name = strlen(argv[0]);
length_switches = switches - temp_switches;
/* leave room for terminator */
if (length_savi_name + length_switches <
LENGTH_STRING_BUFFER - 1) {
sprintf(command_line, argv[0]);
command_line += length_savi_name;
if (length_switches) {
/* presumes selected switches are of controlled length less than buffer */
sprintf(command_line, temp_switches);
command_line += length_switches;
}
}
/* leave room for terminator */
i = length_savi_name + length_switches + length_filename;
if (script_filename &&
(i < LENGTH_STRING_BUFFER - 1)) {
sprintf(command_line, " %s", script_filename);
command_line += length_filename + 1;
}
/* terminate the string with null char, however long it is. */
*command_line = 0;
}
|