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 }

16

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

18 {

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

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

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

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

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

24 return false;

25 }

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

27 stereo = true;

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

29 level_file = argv[++i];

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

31 tileset_file = argv[++i];

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

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

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

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

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

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

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

39 exit(0);

40

41 } else {

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

43 return false;

44 }

45 } else {

46 level_file = argv[i];

47 }

48 }

49 return true;

50 }