Function FadeProcTexture

Descent3/procedurals.cpp:339–356

Fades an entire bitmap one step closer to black

}
// Fades an entire bitmap one step closer to black
void FadeProcTexture(int tex_handle) {
  int total = PROC_SIZE * PROC_SIZE;
  uint8_t *src_data = ProcDestData;
  int fadeval;
  fadeval = 255 - GameTextures[tex_handle].procedural->heat;
  fadeval >>= 3;
  fadeval++;

  for (int i = 0; i < total; i++, src_data++) {
    int pix = *src_data;
    if (pix) {
      if (pix - fadeval <= 0)
        *src_data = 0;
      else
        *src_data = pix - fadeval;
    }
  }
}
// Heats an entire bitmap
void HeatProcTexture(int tex_handle) {
  int total = PROC_SIZE * PROC_SIZE;