git.mutantstargoat.com Git - demo/blob - src/texture.cc

   1 #include <string.h>
   2 #include "texture.h"
   3
   4 Texture::Texture()
   5 {
   6 }
   7
   8 Texture::~Texture()
   9 {
  10 }
  11
  12 bool Texture::load(const char *fname)
  13 {
  14         Image img;
  15
  16         if(img.load(fname)) {
  17                 images.clear();
  18                 images.push_back(img);
  19
  20                 update();
  21                 return true;
  22         }
  23
  24         /* check if it is a cubemap */
  25         return load_cubemap(fname);
  26 }
  27
  28 bool Texture::load_cubemap(const char *fname)
  29 {
  30         const char *suffixes[] = {
  31                 "_px", "_py", "_pz",
  32                 "_nx", "_ny", "_nz"
  33         };
  34
  35         for(int i=0; i<6; i++) {
  36                 char *buf = new char[strlen(fname) + 3 + 1];
  37                 strcpy(buf, fname);
  38                 char *suffix = strrchr(buf, '.');
  39
  40                 if(suffix) {
  41                         memmove(suffix + 3, suffix, strlen(suffix) + 1);
  42                         memcpy(suffix, suffixes[i], 3);
  43                 } else {
  44                         strcat(buf, suffixes[i]);
  45                 }
  46
  47                 Image img;
  48                 if(!img.load(buf)) {
  49                         images.clear();
  50                         return false;
  51                 }
  52                 images.push_back(img);
  53         }
  54
  55         update();
  56         return true;
  57 }
  58
  59 bool Texture::is_cubemap() const
  60 {
  61         return images.size() > 1;
  62 }