Function grtext_Render

grtext/grtext.cpp:521–679

renders all text but DOESN'T flush buffer

//	renders all text but DOESN'T flush buffer
void grtext_Render() {
  //	setup rendering of text.
  rend_SetTextureType(TT_LINEAR);
  rend_SetOverlayType(OT_NONE);
  rend_SetFiltering(0);
  rend_SetLighting(LS_FLAT_GOURAUD);
  rend_SetAlphaType(ATF_TEXTURE + ATF_CONSTANT);
  rend_SetColorModel(CM_MONO);
  rend_SetZBufferState(0);
  rend_SetAlphaValue(Grtext_alpha);

  //	render text.
  int pos = 0;

  while (pos < Grtext_ptr) {
    switch (Grtext_buffer[pos]) {
    case GRTEXTOP_SETCOLOR: {
      struct {
        char op;
        ddgr_color col;
      } cmd;

      memcpy(&cmd, &Grtext_buffer[pos], sizeof(cmd));
      pos += sizeof(cmd);
      rend_SetFlatColor(cmd.col);
      //	rend_SetCharacterParameters(cmd.col, cmd.col, cmd.col, cmd.col);
      Grtext_colors[0] = cmd.col;
      //	Grtext_colors[1] = cmd.col[1];
      //	Grtext_colors[2] = cmd.col[2];
      //	Grtext_colors[3] = cmd.col[3];
    } break;

    case GRTEXTOP_SETFLAGS: {
      struct {
        char op;
        int flags;
      } cmd;

      memcpy(&cmd, &Grtext_buffer[pos], sizeof(cmd));
      pos += sizeof(cmd);

      if (cmd.flags & GRTEXTFLAG_SATURATE)
        Grtext_alphatype = AT_SATURATE_TEXTURE;
      else
        Grtext_alphatype = ATF_CONSTANT + ATF_TEXTURE;
      rend_SetAlphaType(Grtext_alphatype);

      if (cmd.flags & GRTEXTFLAG_SHADOW)
        Grtext_shadow = true;
      else
        Grtext_shadow = false;
    } break;

    case GRTEXTOP_FANCYCOLOR: {
      struct {
        char op;
        //	ddgr_color col[4];
        ddgr_color col;