Function ReloadModelTextures

model/polymodel.cpp:901–976

Given a modelnumber, opens the original pof file and attempts to rematch that models textures with the bitmaps with have in memory

// Given a modelnumber, opens the original pof file and attempts to rematch that
// models textures with the bitmaps with have in memory
int ReloadModelTextures(int modelnum) {
  CFILE *infile;
  int done = 0, id, len;
  poly_model *pm = &Poly_models[modelnum];

  ASSERT(!(Poly_models[modelnum].flags & PMF_NOT_RESIDENT));

  infile = cfopen(Poly_models[modelnum].name, "rb");
  if (!infile)
    return 0;

  id = cf_ReadInt(infile);

  if (id != 'OPSP')
    Error("Bad ID in model file!");
  cf_ReadInt(infile); // skip version

  while (!done) {
    if (cfeof(infile)) {
      done = 1;
      continue;
    }

    id = cf_ReadInt(infile);  // read chunk type
    len = cf_ReadInt(infile); // read chunk length

    switch (id) {
    case ID_TXTR: {
      // Texture filename list
      int i, n;
      char name_buf[128];

      n = cf_ReadInt(infile);
      if (n != pm->n_textures) {
        Int3(); // Get Jason, new model doesn't match old model!!!
        cfclose(infile);
        return 0;
      }

      for (i = 0; i < n; i++) {
        int ret;
        char temp[256];

        // Read the name of this texture
        ReadModelStringLen(name_buf, 127, infile);

        strcpy(temp, name_buf);
        strcat(temp, ".OGF");
        ret = FindTextureBitmapName(temp);
        if (ret == -1) {
          // See if its already in memory
          ret = FindTextureName(name_buf);
          if (ret == -1) {
            ret = 0;
            // mprintf(0,"Object texture %s is not in memory!\n",name_buf);
          }
        }