From eaab558f2af2f982e4d59181b4c265c31503e9fd Mon Sep 17 00:00:00 2001
From: kervala <devnull@localhost>
Date: Tue, 1 Dec 2015 15:58:45 +0100
Subject: [PATCH] Fixed: Only display VR page in game config if compiled with a
 VR SDK

---
 code/CMakeModules/FindLibOVR.cmake            |  1 +
 code/CMakeModules/FindLibVR.cmake             |  1 +
 code/config.h.cmake                           |  2 ++
 .../src/interface_v3/action_handler_game.cpp  | 25 +++++++++++++++++++
 code/ryzom/client/src/user_agent.cpp          |  9 +++++++
 code/ryzom/client/src/user_agent.h            |  2 ++
 6 files changed, 40 insertions(+)

diff --git a/code/CMakeModules/FindLibOVR.cmake b/code/CMakeModules/FindLibOVR.cmake
index 707949613..b182da00c 100644
--- a/code/CMakeModules/FindLibOVR.cmake
+++ b/code/CMakeModules/FindLibOVR.cmake
@@ -58,6 +58,7 @@ IF(LIBOVR_LIBRARY AND LIBOVR_INCLUDE_DIR)
   ENDIF(NOT LIBOVR_FIND_QUIETLY)
   SET(LIBOVR_FOUND "YES")
   SET(LIBOVR_DEFINITIONS "-DHAVE_LIBOVR")
+  SET(NL_STEREO_AVAILABLE ON)
   IF(UNIX)
     SET(LIBOVR_LIBRARIES ${LIBOVR_LIBRARY} X11 Xinerama udev pthread)
   ELSE(UNIX)
diff --git a/code/CMakeModules/FindLibVR.cmake b/code/CMakeModules/FindLibVR.cmake
index eba9c347e..e8bcf2fde 100644
--- a/code/CMakeModules/FindLibVR.cmake
+++ b/code/CMakeModules/FindLibVR.cmake
@@ -25,6 +25,7 @@ IF(LIBVR_LIBRARY AND LIBVR_INCLUDE_DIR)
   ENDIF(NOT LIBVR_FIND_QUIETLY)
   SET(LIBVR_FOUND "YES")
   SET(LIBVR_DEFINITIONS "-DHAVE_LIBVR")
+  SET(NL_STEREO_AVAILABLE ON)
 ELSE(LIBVR_LIBRARY AND LIBVR_INCLUDE_DIR)
   IF(NOT LIBVR_FIND_QUIETLY)
     MESSAGE(STATUS "Warning: Unable to find LibVR!")
diff --git a/code/config.h.cmake b/code/config.h.cmake
index 2feb8ca7a..69171cf68 100644
--- a/code/config.h.cmake
+++ b/code/config.h.cmake
@@ -10,6 +10,8 @@
 #cmakedefine NL_DSOUND_AVAILABLE ${NL_DSOUND_AVAILABLE}
 #cmakedefine NL_XAUDIO2_AVAILABLE ${NL_XAUDIO2_AVAILABLE}
 
+#cmakedefine NL_STEREO_AVAILABLE ${NL_STEREO_AVAILABLE}
+
 #cmakedefine NL_BIN_PREFIX "${NL_BIN_ABSOLUTE_PREFIX}"
 #cmakedefine NL_ETC_PREFIX "${NL_ETC_ABSOLUTE_PREFIX}"
 #cmakedefine NL_SHARE_PREFIX "${NL_SHARE_ABSOLUTE_PREFIX}"
diff --git a/code/ryzom/client/src/interface_v3/action_handler_game.cpp b/code/ryzom/client/src/interface_v3/action_handler_game.cpp
index ca0860c11..8457185e7 100644
--- a/code/ryzom/client/src/interface_v3/action_handler_game.cpp
+++ b/code/ryzom/client/src/interface_v3/action_handler_game.cpp
@@ -65,6 +65,7 @@
 #include "../far_tp.h"
 #include "nel/gui/interface_link.h"
 #include "../npc_icon.h"
+#include "user_agent.h"
 
 // Game Share
 #include "game_share/character_summary.h"
@@ -2911,6 +2912,7 @@ REGISTER_ACTION_HANDLER (CHandlerToggleInventory, "toggle_inventory");
 // ***************************************************************************
 
 #define GAME_CONFIG_DDX					"ui:interface:game_config:content:all"
+#define GAME_CONFIG_TREE_LIST			"ui:interface:game_config:content:sbtree:tree_list"
 
 static vector<UDriver::CMode> VideoModes;
 #define GAME_CONFIG_VIDEO_MODES_COMBO	"ui:interface:game_config:content:general:video_modes"
@@ -3085,6 +3087,29 @@ public:
 		}
 
 		// **** Init Language : look in game_config.lua
+
+		// display or not VR page
+		NLGUI::CGroupTree* configTree = dynamic_cast<CGroupTree*>(CWidgetManager::getInstance()->getElementFromId(GAME_CONFIG_TREE_LIST));
+
+		if (configTree)
+		{
+			CGroupTree::SNode *rootNode = configTree->getRootNode();
+
+			if (rootNode)
+			{
+				CGroupTree::SNode *graphNode = rootNode->getNodeFromId("graph");
+
+				if (graphNode)
+				{
+					CGroupTree::SNode *vrNode = graphNode->getNodeFromId("vr");
+
+					if (vrNode)
+					{
+						vrNode->setShow(isStereoAvailable());
+					}
+				}
+			}
+		}
 	}
 };
 REGISTER_ACTION_HANDLER (CHandlerGameConfigInit, "game_config_init");
diff --git a/code/ryzom/client/src/user_agent.cpp b/code/ryzom/client/src/user_agent.cpp
index e8d4f8708..424272c6d 100644
--- a/code/ryzom/client/src/user_agent.cpp
+++ b/code/ryzom/client/src/user_agent.cpp
@@ -105,3 +105,12 @@ std::string getDebugVersion()
 
 	return s_version;
 }
+
+bool isStereoAvailable()
+{
+#ifdef NL_STEREO_AVAILABLE
+	return true;
+#else
+	return false;
+#endif
+}
diff --git a/code/ryzom/client/src/user_agent.h b/code/ryzom/client/src/user_agent.h
index a7c59af28..1f2c639c9 100644
--- a/code/ryzom/client/src/user_agent.h
+++ b/code/ryzom/client/src/user_agent.h
@@ -25,6 +25,8 @@ std::string getVersion();
 std::string getDisplayVersion();
 std::string getDebugVersion();
 
+bool isStereoAvailable();
+
 #endif // CL_USER_AGENT_H
 
 /* End of user_agent.h */