From e46036d55f85f89b1058dfce25266dde2a251ad4 Mon Sep 17 00:00:00 2001
From: mfranz <mfranz>
Date: Tue, 4 Jul 2006 15:54:41 +0000
Subject: [PATCH] initialize HUD class and call its drawing routine from
 renderer (basically a NOOP if /sim/hud/visibility[1] is false)

---
 src/Instrumentation/instrument_mgr.cxx | 4 +++-
 src/Main/renderer.cxx                  | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/Instrumentation/instrument_mgr.cxx b/src/Instrumentation/instrument_mgr.cxx
index 1da1abb71..425d1ee1e 100644
--- a/src/Instrumentation/instrument_mgr.cxx
+++ b/src/Instrumentation/instrument_mgr.cxx
@@ -18,6 +18,7 @@
 #include <Main/fg_props.hxx>
 #include <Main/globals.hxx>
 #include <Main/util.hxx>
+#include <Instrumentation/HUD/HUD.hxx>
 
 #include "instrument_mgr.hxx"
 #include "adf.hxx"
@@ -44,7 +45,7 @@
 #include "inst_vertical_speed_indicator.hxx" // (TJ)
 #include "od_gauge.hxx"
 #include "wxradar.hxx"
-#include "tacan.hxx" 
+#include "tacan.hxx"
 #include "mk_viii.hxx"
 
 
@@ -52,6 +53,7 @@ FGInstrumentMgr::FGInstrumentMgr ()
 {
     set_subsystem("annunciator", new Annunciator);
     set_subsystem("od_gauge", new FGODGauge, 1.0);
+    set_subsystem("hud", new HUD);
 
     config_props = new SGPropertyNode;
 
diff --git a/src/Main/renderer.cxx b/src/Main/renderer.cxx
index 421e8a866..ac18f8a81 100644
--- a/src/Main/renderer.cxx
+++ b/src/Main/renderer.cxx
@@ -68,6 +68,8 @@
 #include <Scenery/tilemgr.hxx>
 #include <ATC/ATCdisplay.hxx>
 #include <GUI/new_gui.hxx>
+#include <Instrumentation/instrument_mgr.hxx>
+#include <Instrumentation/HUD/HUD.hxx>
 
 #include "splash.hxx"
 #include "renderer.hxx"
@@ -729,6 +731,10 @@ FGRenderer::update( bool refresh_camera_settings ) {
     hud_and_panel->apply();
     fgCockpitUpdate();
 
+    FGInstrumentMgr *instr = static_cast<FGInstrumentMgr *>(globals->get_subsystem("instrumentation"));
+    HUD *hud = static_cast<HUD *>(instr->get_subsystem("hud"));
+    hud->draw();
+
     // Use the hud_and_panel ssgSimpleState for rendering the ATC output
     // This only works properly if called before the panel call
     if((fgGetBool("/sim/atc/enabled")) || (fgGetBool("/sim/ai-traffic/enabled")))