Function TelcomRenderMouse

Descent3/TelCom.cpp:2089–2115

Renders the mouse cursor

//	Renders the mouse cursor
void TelcomRenderMouse(void) {
  rend_SetOverlayType(OT_NONE);
  rend_SetLighting(LS_NONE);
  rend_SetColorModel(CM_MONO);
  rend_SetZBufferState(0);
  rend_SetAlphaType(AT_CONSTANT + AT_TEXTURE);
  rend_SetAlphaValue(255);

  if (TC_cursor > -1) {
    int mx, my;
    mx = Telcom_mouse_x;
    my = Telcom_mouse_y;

    float u0 = 0.0f, v0 = 0.0f, u1 = 1.0f, v1 = 1.0f;
    int cur_w = bm_w(TC_cursor, 0);
    int cur_h = bm_h(TC_cursor, 0);

    if (mx > (Game_window_w - cur_w))
      u1 = ((float)(Game_window_w - mx)) / ((float)cur_w);
    if (my > (Game_window_h - cur_h))
      v1 = ((float)(Game_window_h - my)) / ((float)cur_h);

    rend_DrawScaledBitmap(mx, my, mx + (int)((float)cur_w * u1), my + (int)((float)cur_h * v1), TC_cursor, u0, v0, u1,
                          v1);
  }
  rend_SetZBufferState(1);
}

//	Creates the static bitmap overlays
void TelcomCreateStaticOverlays(void) {