Function GetNextTexture

Descent3/gametexture.cpp:837–853

Given current index, gets index of next texture in use

// Given current index, gets index of next texture in use
int GetNextTexture(int n) {
  int i;

  if (Num_textures == 0)
    return -1;

  for (i = n + 1; i < MAX_TEXTURES; i++) {
    if (GameTextures[i].used)
      return i;
  }
  for (i = 0; i < n; i++) {
    if (GameTextures[i].used)
      return i;
  }

  return n;
}
// Given current index, gets index of prev texture in use
int GetPreviousTexture(int n) {
  int i;