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 sound = true;

14 level_file = "0.level";

15 tileset_file = "default.tileset";

16 use_deferred = true;

17 }

18

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

20 {

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

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

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

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

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

26 return false;

27 }

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

29 stereo = true;

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

31 sound = false;

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

33 level_file = argv[++i];

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

35 tileset_file = argv[++i];

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

37 use_deferred = false;

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

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

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

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

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

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

44 printf(" -nosound disable sound output\n");

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

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

47 exit(0);

48

49 } else {

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

51 return false;

52 }

53 } else {

54 level_file = argv[i];

55 }

56 }

57 return true;

58 }