Fix weapon shadow flickering

Author: yohjimane

src/xrGame/HudItem.cpp

@@ -60,12 +60,11 @@ void CHudItem::PlaySound(pcstr alias, const Fvector& position, u8 index)
 {
     m_sounds.PlaySound(alias, position, object().H_Root(), !!GetHUDmode(), false, index);
 }
-
 //-Alundaio
+
 void CHudItem::renderable_Render(u32 context_id, IRenderable* root)
 {
     UpdateXForm();
-
     const bool _hud_render = root && root->renderable_HUD() && GetHUDmode();
 
     if (_hud_render && !IsHidden())

src/xrGame/Weapon.cpp

@@ -32,6 +32,7 @@
 #define ROTATION_TIME 0.25f
 
 BOOL b_toggle_weapon_aim = FALSE;
+extern float g_first_person_body_offset;
 
 static class CUIWpnScopeXmlManager : public CUIResetNotifier, public pureAppEnd
 {
@@ -187,6 +188,13 @@ void CWeapon::UpdateXForm()
         mRes.mulA_43(E->XFORM());
     }
 
+    if (auto actorOwner = smart_cast<CActor*>(H_Parent()))
+        if ((psActorFlags.test(AF_FIRST_PERSON_BODY)) && actorOwner->active_cam() == eacFirstEye)
+        {
+            Fvector camdir = { actorOwner->cam_Active()->Direction().x, 0.f, actorOwner->cam_Active()->Direction().z }; // ignore Y (vertical) value
+            mRes.c.add(camdir.normalize().mul(g_first_person_body_offset)); // push model back so it doesn't look weird (default value: -0.75f)
+        }
+
     UpdatePosition(mRes);
 }
 
@@ -915,17 +923,6 @@ bool CWeapon::need_renderable() { return !(IsZoomed() && ZoomTexture() && !IsRot
 extern float g_first_person_body_offset;
 void CWeapon::renderable_Render(u32 context_id, IRenderable* root)
 {
-    if (auto actorOwner = smart_cast<CActor*>(H_Parent()))
-    {
-        if ((psActorFlags.test(AF_FIRST_PERSON_BODY)) && actorOwner->active_cam() == eacFirstEye)
-        {
-            Fvector camdir = { actorOwner->cam_Active()->Direction().x, 0.f, actorOwner->cam_Active()->Direction().z }; // ignore Y (vertical) value
-            Fmatrix trans = XFORM();
-            trans.c.add(camdir.normalize().mul(g_first_person_body_offset)); // push model back so it doesn't look weird (default value: -0.75f)
-            XFORM().translate_over(trans.c); // move our original weapon to where our first person body is, so shadow render in correct place
-        }
-    }
-
     ScopeLock lock{ &render_lock };
 
     UpdateXForm();