Function TCGoalsRenderCallback

Descent3/TelComGoals.cpp:301–664

#define COLOR_FAILED GR_RGB(255, 255, 40)

void TCGoalsRenderCallback(void) {
  static bool active_alpha_in = false;
  static float active_alpha = ACTIVE_ALPHA_MAX;

  // recalculate alpha
  float alpha_change = last_frametime * ACTIVE_ALPHA_PER_SEC;
  float alpha_amount;
  while (alpha_change > 0) {
    if (active_alpha_in) {
      alpha_amount = std::min(ACTIVE_ALPHA_MAX - active_alpha, alpha_change);
      active_alpha += alpha_amount;

      if (active_alpha > (ACTIVE_ALPHA_MAX - 1.0f))
        active_alpha_in = false;
    } else {
      alpha_amount = std::min(alpha_change, active_alpha - ACTIVE_ALPHA_MIN);
      active_alpha -= alpha_amount;

      if (active_alpha < (ACTIVE_ALPHA_MIN + 1.0f))
        active_alpha_in = true;
    }
    alpha_change -= alpha_amount;
  }

  int old_font = grtext_GetFont();

  grtext_SetAlpha(255);
  rend_SetOverlayType(OT_NONE);
  rend_SetLighting(LS_NONE);
  rend_SetColorModel(CM_MONO);
  rend_SetZBufferState(0);
  rend_SetAlphaType(AT_CONSTANT + AT_TEXTURE);
  rend_SetAlphaValue(255);
  rend_SetZBufferState(0);

  int y = TGminy;

  int obj_x, obj_max_width, goal_x, goal_max_width, status_x, status_max_width;
  obj_x = TGminx + 25;
  obj_max_width = 315;
  status_x = obj_x + obj_max_width;
  status_max_width = TGmaxx - status_x;
  goal_x = obj_x + 20;
  goal_max_width = status_x - goal_x;
  /*
  int goal_name_x,goal_status_x,goal_name_max_width,goal_status_max_width;
  goal_name_x = TGminx + 20;
  goal_name_max_width = 320;
  goal_status_x = goal_name_x + goal_name_max_width;
  goal_status_max_width = TGmaxx-goal_status_x;
  */

  int period_length;
  period_length = grfont_GetCharWidth(SM_FONT, '.') + Grtext_spacing;

  //@@@ASSERT(goal_status_max_width>0);
  ASSERT(status_max_width > 0);