Merge "Get rid of the lag when opening 2 menu window tabs"

Source branch: 'terencehill/menu_performance_improvements'
Target branch: 'master'

See merge request xonotic/xonotic-data.pk3dir!1453

diff --cc qcsrc/common/mutators/mutator/nades/nades.qh
index 84e5a352a5fe1d68fe6f01bed9f3b7f6d7b709ab,6880befba923c3710710936ec21a5baa0af49772..b92da50f4abb5270b076ca3d73349f80a9ee2f9a
--- 1/qcsrc/common/mutators/mutator/nades/nades.qh
--- 2/qcsrc/common/mutators/mutator/nades/nades.qh
+++ b/qcsrc/common/mutators/mutator/nades/nades.qh
@@@ -14,13 -14,22 +14,24 @@@ CLASS(Nade, Object
      ATTRIB(Nade, m_name, string, _("Grenade"));
      ATTRIB(Nade, m_icon, string, "nade_normal");
      ATTRIB(Nade, m_alpha, float, 1);
 +    ATTRIB(Nade, netname, string, "random");
 +    ATTRIB(Nade, impulse, int, 0); // legacy number for selection, do not add to new nade types
      ATTRIBARRAY(Nade, m_projectile, int, 2);
      ATTRIBARRAY(Nade, m_trail, entity, 2);
-     METHOD(Nade, display, void(entity this, void(string name, string icon) returns)) {
-         returns(this.m_name, sprintf("/gfx/hud/%s/%s", cvar_string("hud_skin"), this.m_icon));
+ #ifndef SVQC
+     METHOD(Nade, display, void(entity this, void(string name, string icon) returns))
+     {
+         string img = sprintf("/gfx/hud/%s/%s", cvar_string("hud_skin"), this.m_icon);
+     #ifdef CSQC
+         if (precache_pic(img) == "")
+     #endif
+     #ifdef MENUQC
+         if (draw_PreloadPicture(img) == "")
+     #endif
+             img = sprintf("/gfx/hud/default/%s", this.m_icon);
+         returns(this.m_name, img);
      }
+ #endif
  ENDCLASS(Nade)
  
  REGISTER_NADE(Null, NEW(Nade));