1 #include <stdio.h>

2 #include <stdlib.h>

3 #include <string.h>

4 #include "cfg.h"

5

6 Config cfg;

7

8 Config::Config()

9 {

10 width = 800;

11 height = 600;

12 stereo = false;

13 level_file = "0.level";

14 tileset_file = "default.tileset";

15 use_deferred = true;

16 }

17

18 bool Config::parse_args(int argc, char **argv)

19 {

20 for(int i=1; i<argc; i++) {

21 if(argv[i][0] == '-') {

22 if(strcmp(argv[i], "-s") == 0) {

23 if(sscanf(argv[++i], "%dx%d", &width, &height) != 2) {

24 fprintf(stderr, "-s must be followed by <width>x<height>\n");

25 return false;

26 }

27 } else if(strcmp(argv[i], "-stereo") == 0) {

28 stereo = true;

29 } else if(strcmp(argv[i], "-level") == 0) {

30 level_file = argv[++i];

31 } else if(strcmp(argv[i], "-tileset") == 0) {

32 tileset_file = argv[++i];

33 } else if(strcmp(argv[i], "-no-deferred") == 0) {

34 use_deferred = false;

35 } else if(strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-help") == 0) {

36 printf("Usage: %s [options]\n", argv[0]);

37 printf(" -s WxH window size (resolution)\n");

38 printf(" -level <filename> specify which level file to load\n");

39 printf(" -tileset <filename> specify which tileset to use\n");

40 printf(" -stereo enable stereoscopic rendering\n");

41 printf(" -no-deferred disable deferred renderer\n");

42 printf(" -h/-help print usage information and exit\n");

43 exit(0);

44

45 } else {

46 fprintf(stderr, "unrecognized option: %s\n", argv[i]);

47 return false;

48 }

49 } else {

50 level_file = argv[i];

51 }

52 }

53 return true;

54 }