1 #include <stdio.h>

2 #include <string>

3 #include <map>

4 #include <imago2.h>

5 #include "opengl.h"

6 #include "texman.h"

7

8 static std::string find_datafile(const std::string &fname);

9

10 static std::map<std::string, unsigned int> textures;

11 static const char *paths[] = {

12 "data",

13 0

14 };

15

16 unsigned int get_texture(const char *fname)

17 {

18 unsigned int tex;

19

20 if(!fname || !*fname) {

21 return 0;

22 }

23

24 std::map<std::string, unsigned int>::const_iterator it = textures.find(fname);

25 if(it != textures.end()) {

26 tex = it->second;

27 } else {

28 if(!(tex = img_gltexture_load(find_datafile(fname).c_str()))) {

29 fprintf(stderr, "failed to load image: %s\n", fname);

30 } else {

31 textures[fname] = tex;

32 }

33 }

34

35 return tex;

36 }

37

38 static std::string find_datafile(const std::string &fname)

39 {

40 FILE *fp;

41

42 for(int i=0; paths[i]; i++) {

43 std::string path = paths[i] + std::string("/") + fname;

44 if((fp = fopen(path.c_str(), "rb"))) {

45 fclose(fp);

46 return path;

47 }

48 }

49

50 return fname;

51 }