From 99f1d68f54115c912b0fe3ef4455011f7713dd82 Mon Sep 17 00:00:00 2001
From: Petr Ohlidal <petr@ohlidal.cz>
Date: Thu, 24 Feb 2022 01:16:54 +0100
Subject: [PATCH] :books: Doxygen: + modules Gfx, Hydrax, Flex

---
 source/main/gfx/DustPool.h                   | 5 +++++
 source/main/gfx/EnvironmentMap.h             | 5 +++++
 source/main/gfx/GfxActor.h                   | 5 +++++
 source/main/gfx/GfxData.h                    | 5 +++++
 source/main/gfx/GfxScene.h                   | 5 +++++
 source/main/gfx/HydraxWater.h                | 5 +++++
 source/main/gfx/IWater.h                     | 5 +++++
 source/main/gfx/MovableText.h                | 5 +++++
 source/main/gfx/Renderdash.h                 | 5 +++++
 source/main/gfx/ShadowManager.h              | 5 +++++
 source/main/gfx/Skidmark.h                   | 5 +++++
 source/main/gfx/SkyManager.h                 | 5 +++++
 source/main/gfx/SkyXManager.h                | 7 ++++++-
 source/main/gfx/Water.h                      | 5 +++++
 source/main/gfx/hydrax/CfgFileManager.h      | 9 +++++++++
 source/main/gfx/hydrax/DecalsManager.h       | 6 ++++++
 source/main/gfx/hydrax/Enums.h               | 6 ++++++
 source/main/gfx/hydrax/FFT.h                 | 6 ++++++
 source/main/gfx/hydrax/GPUNormalMapManager.h | 9 +++++++++
 source/main/gfx/hydrax/GodRaysManager.h      | 6 ++++++
 source/main/gfx/hydrax/Help.h                | 9 +++++++++
 source/main/gfx/hydrax/Hydrax.h              | 9 +++++++++
 source/main/gfx/hydrax/Image.h               | 9 ++++++++-
 source/main/gfx/hydrax/MaterialManager.h     | 9 +++++++++
 source/main/gfx/hydrax/Mesh.h                | 9 +++++++++
 source/main/gfx/hydrax/Module.h              | 9 +++++++++
 source/main/gfx/hydrax/Noise.h               | 9 +++++++++
 source/main/gfx/hydrax/Perlin.h              | 9 +++++++++
 source/main/gfx/hydrax/PressurePoint.h       | 9 +++++++++
 source/main/gfx/hydrax/ProjectedGrid.h       | 9 +++++++++
 source/main/gfx/hydrax/RadialGrid.h          | 9 +++++++++
 source/main/gfx/hydrax/Real.h                | 8 ++++++++
 source/main/gfx/hydrax/RttManager.h          | 9 +++++++++
 source/main/gfx/hydrax/SimpleGrid.h          | 9 +++++++++
 source/main/gfx/hydrax/TextureManager.h      | 9 +++++++++
 source/main/gfx/hydrax/Wave.h                | 9 +++++++++
 source/main/physics/flex/FlexBody.h          | 9 +++++++++
 source/main/physics/flex/FlexFactory.h       | 9 +++++++++
 source/main/physics/flex/FlexMesh.h          | 9 +++++++++
 source/main/physics/flex/FlexMeshWheel.h     | 9 +++++++++
 source/main/physics/flex/FlexObj.h           | 9 +++++++++
 source/main/physics/flex/Flexable.h          | 9 +++++++++
 42 files changed, 309 insertions(+), 2 deletions(-)

diff --git a/source/main/gfx/DustPool.h b/source/main/gfx/DustPool.h
index 7c07fe9f26..091513d4a6 100644
--- a/source/main/gfx/DustPool.h
+++ b/source/main/gfx/DustPool.h
@@ -27,6 +27,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 class DustPool : public ZeroedMemoryAllocator
 {
 public:
@@ -84,4 +87,6 @@ class DustPool : public ZeroedMemoryAllocator
     bool m_is_discarded;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoRs
diff --git a/source/main/gfx/EnvironmentMap.h b/source/main/gfx/EnvironmentMap.h
index 7202d6ef3f..64e1122267 100644
--- a/source/main/gfx/EnvironmentMap.h
+++ b/source/main/gfx/EnvironmentMap.h
@@ -26,6 +26,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 /// A dynamic environment probe; Creates a cubemap with realtime reflections around specified point.
 class GfxEnvmap
 {
@@ -49,4 +52,6 @@ class GfxEnvmap
     int                  m_update_round; /// Render targets are updated one-by-one; this is the index of next target to update.
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/GfxActor.h b/source/main/gfx/GfxActor.h
index 37c16f2606..d236dd887c 100644
--- a/source/main/gfx/GfxActor.h
+++ b/source/main/gfx/GfxActor.h
@@ -45,6 +45,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 class GfxActor
 {
     friend class ActorSpawner; // The factory
@@ -331,4 +334,6 @@ class GfxActor
     Ogre::MaterialPtr           m_cab_mat_template_emissive;
 };
 
+/// @} // addtogroup Gfx
+
 } // Namespace RoR
diff --git a/source/main/gfx/GfxData.h b/source/main/gfx/GfxData.h
index 5f29be94a7..6fece34fb1 100644
--- a/source/main/gfx/GfxData.h
+++ b/source/main/gfx/GfxData.h
@@ -33,6 +33,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 enum PropAnimFlag
 {
     PROP_ANIM_FLAG_AIRSPEED      = BITMASK(1),
@@ -234,4 +237,6 @@ struct FlareMaterial // materialflares
     Ogre::ColourValue emissive_color;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/GfxScene.h b/source/main/gfx/GfxScene.h
index 33bfc59f6c..0e734de4e2 100644
--- a/source/main/gfx/GfxScene.h
+++ b/source/main/gfx/GfxScene.h
@@ -36,6 +36,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 /// Provides a 3D graphical representation of the simulation
 /// Idea: simulation runs at it's own constant rate, scene updates and rendering run asynchronously.
 class GfxScene
@@ -93,4 +96,6 @@ class GfxScene
     SkidmarkConfig                    m_skidmark_conf;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/HydraxWater.h b/source/main/gfx/HydraxWater.h
index d49128a4a6..d411dd31bb 100644
--- a/source/main/gfx/HydraxWater.h
+++ b/source/main/gfx/HydraxWater.h
@@ -28,6 +28,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 class HydraxWater : public IWater
 {
 public:
@@ -59,4 +62,6 @@ class HydraxWater : public IWater
     Ogre::String CurrentConfigFile;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/IWater.h b/source/main/gfx/IWater.h
index 2d6664662e..70e5f0ea4a 100644
--- a/source/main/gfx/IWater.h
+++ b/source/main/gfx/IWater.h
@@ -26,6 +26,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 class IWater //!< TODO: Mixed gfx+physics (waves) - must be separated ~ only_a_ptr, 02/2018
 {
 public:
@@ -57,4 +60,6 @@ class IWater //!< TODO: Mixed gfx+physics (waves) - must be separated ~ only_a_p
     virtual void           ClearForcedCameraTransform() {};
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/MovableText.h b/source/main/gfx/MovableText.h
index 16c2d94ccb..0ecf3fcac5 100644
--- a/source/main/gfx/MovableText.h
+++ b/source/main/gfx/MovableText.h
@@ -33,6 +33,9 @@
 #include <OgreUTFString.h>
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 class MovableText : public Ogre::MovableObject, public Ogre::Renderable
 {
     /******************************** MovableText data ****************************/
@@ -127,5 +130,7 @@ class MovableText : public Ogre::MovableObject, public Ogre::Renderable
     const   Ogre::LightList         &getLights(void) const {return mLList;};
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace
 
diff --git a/source/main/gfx/Renderdash.h b/source/main/gfx/Renderdash.h
index 4fb0855f9a..5378e24333 100644
--- a/source/main/gfx/Renderdash.h
+++ b/source/main/gfx/Renderdash.h
@@ -27,6 +27,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 /// 'renderdash' is a name of a classic Render-To-Texture animated material with gauges and other dashboard info.
 class Renderdash: public Ogre::RenderTargetListener
 {
@@ -51,4 +54,6 @@ class Renderdash: public Ogre::RenderTargetListener
     Ogre::Overlay*         m_needles_overlay;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/ShadowManager.h b/source/main/gfx/ShadowManager.h
index 1b3b946071..c1f6272bb6 100644
--- a/source/main/gfx/ShadowManager.h
+++ b/source/main/gfx/ShadowManager.h
@@ -35,6 +35,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 //Store datas using structs
 struct PSSM_Shadows_Data
 {
@@ -68,4 +71,6 @@ class ShadowManager : public ZeroedMemoryAllocator
     PSSM_Shadows_Data PSSM_Shadows;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/Skidmark.h b/source/main/gfx/Skidmark.h
index 5ab6dec43a..8c72454183 100644
--- a/source/main/gfx/Skidmark.h
+++ b/source/main/gfx/Skidmark.h
@@ -52,6 +52,9 @@ class SkidmarkConfig //!< Skidmark config file parser and data container
     std::map<Ogre::String, std::vector<SkidmarkDef>> m_models;
 };
 
+/// @addtogroup Gfx
+/// @{
+
 class Skidmark
 {
 public:
@@ -97,4 +100,6 @@ class Skidmark
     SkidmarkConfig*      m_config;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/SkyManager.h b/source/main/gfx/SkyManager.h
index e066fe418d..dbfb270f50 100644
--- a/source/main/gfx/SkyManager.h
+++ b/source/main/gfx/SkyManager.h
@@ -31,6 +31,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 class SkyManager : public ZeroedMemoryAllocator
 {
 public:
@@ -55,6 +58,8 @@ class SkyManager : public ZeroedMemoryAllocator
     Caelum::CaelumSystem* m_caelum_system;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
 
 #endif // USE_CAELUM
diff --git a/source/main/gfx/SkyXManager.h b/source/main/gfx/SkyXManager.h
index 7ca9f01cef..c6d8220653 100644
--- a/source/main/gfx/SkyXManager.h
+++ b/source/main/gfx/SkyXManager.h
@@ -26,6 +26,9 @@ along with Rigs of Rods.  If not, see <http://www.gnu.org/licenses/>.
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 class SkyXManager : public ZeroedMemoryAllocator
 {
 public:
@@ -64,4 +67,6 @@ class SkyXManager : public ZeroedMemoryAllocator
     int mLastHour = 0;
 };
 
-} // namespace RoRs
+/// @} // addtogroup Gfx
+
+} // namespace RoR
diff --git a/source/main/gfx/Water.h b/source/main/gfx/Water.h
index 7b4a1bf21f..c981a08e6d 100644
--- a/source/main/gfx/Water.h
+++ b/source/main/gfx/Water.h
@@ -34,6 +34,9 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
 class Water : public IWater, public ZeroedMemoryAllocator
 {
 public:
@@ -136,4 +139,6 @@ class Water : public IWater, public ZeroedMemoryAllocator
     Ogre::Quaternion      m_cam_forced_orientation;
 };
 
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/gfx/hydrax/CfgFileManager.h b/source/main/gfx/hydrax/CfgFileManager.h
index eb38929237..6a9371a002 100644
--- a/source/main/gfx/hydrax/CfgFileManager.h
+++ b/source/main/gfx/hydrax/CfgFileManager.h
@@ -29,6 +29,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 
 #include "Help.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
 	class Hydrax;
@@ -209,4 +215,7 @@ namespace Hydrax
 	};
 };
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
diff --git a/source/main/gfx/hydrax/DecalsManager.h b/source/main/gfx/hydrax/DecalsManager.h
index 92b4b39df9..11b778c5b0 100644
--- a/source/main/gfx/hydrax/DecalsManager.h
+++ b/source/main/gfx/hydrax/DecalsManager.h
@@ -27,6 +27,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 
 #include "Prerequisites.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
 	class Hydrax;
diff --git a/source/main/gfx/hydrax/Enums.h b/source/main/gfx/hydrax/Enums.h
index 457c495380..d31c3fbee0 100644
--- a/source/main/gfx/hydrax/Enums.h
+++ b/source/main/gfx/hydrax/Enums.h
@@ -27,6 +27,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 
 #include "Prerequisites.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
     /** Texture quality enumeration(2^n)
diff --git a/source/main/gfx/hydrax/FFT.h b/source/main/gfx/hydrax/FFT.h
index e8ebc885a0..7780d0134d 100644
--- a/source/main/gfx/hydrax/FFT.h
+++ b/source/main/gfx/hydrax/FFT.h
@@ -31,6 +31,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 
 #include <complex>
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Noise
 {
 	/** FFT noise module class
diff --git a/source/main/gfx/hydrax/GPUNormalMapManager.h b/source/main/gfx/hydrax/GPUNormalMapManager.h
index 5c60c843c1..1a458bb006 100644
--- a/source/main/gfx/hydrax/GPUNormalMapManager.h
+++ b/source/main/gfx/hydrax/GPUNormalMapManager.h
@@ -30,6 +30,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "Enums.h"
 #include "RttManager.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
 	class Hydrax;
@@ -152,4 +158,7 @@ namespace Hydrax
 	};
 }
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/GodRaysManager.h b/source/main/gfx/hydrax/GodRaysManager.h
index e73c89bf2b..7e6f614ac1 100644
--- a/source/main/gfx/hydrax/GodRaysManager.h
+++ b/source/main/gfx/hydrax/GodRaysManager.h
@@ -30,6 +30,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 
 #include "Enums.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
 	class Hydrax;
diff --git a/source/main/gfx/hydrax/Help.h b/source/main/gfx/hydrax/Help.h
index 0ad1839257..d358d15899 100644
--- a/source/main/gfx/hydrax/Help.h
+++ b/source/main/gfx/hydrax/Help.h
@@ -27,6 +27,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 
 #include "Prerequisites.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
     /** Struct wich contains an especific width and height value
@@ -115,4 +121,7 @@ namespace Hydrax
 	};
 }
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
diff --git a/source/main/gfx/hydrax/Hydrax.h b/source/main/gfx/hydrax/Hydrax.h
index 9e289a0c75..38176e2946 100644
--- a/source/main/gfx/hydrax/Hydrax.h
+++ b/source/main/gfx/hydrax/Hydrax.h
@@ -41,6 +41,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "CfgFileManager.h"
 #include "Module.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
     /** Main Hydrax class.
@@ -756,4 +762,7 @@ namespace Hydrax
     };
 }
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
diff --git a/source/main/gfx/hydrax/Image.h b/source/main/gfx/hydrax/Image.h
index 129dc50c32..1a326e0bc5 100644
--- a/source/main/gfx/hydrax/Image.h
+++ b/source/main/gfx/hydrax/Image.h
@@ -27,7 +27,11 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 
 #include "Prerequisites.h"
 
-#include "Help.h"
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
 
 namespace Hydrax
 {
@@ -265,4 +269,7 @@ namespace Hydrax
 	};
 }
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/MaterialManager.h b/source/main/gfx/hydrax/MaterialManager.h
index 3f24b1c424..3ed98e272f 100644
--- a/source/main/gfx/hydrax/MaterialManager.h
+++ b/source/main/gfx/hydrax/MaterialManager.h
@@ -29,6 +29,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 
 #include "Enums.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
 	class Hydrax;
@@ -377,4 +383,7 @@ namespace Hydrax
 	};
 };
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/Mesh.h b/source/main/gfx/hydrax/Mesh.h
index 5b95560f0f..e8834e926d 100644
--- a/source/main/gfx/hydrax/Mesh.h
+++ b/source/main/gfx/hydrax/Mesh.h
@@ -30,6 +30,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "Help.h"
 #include "Image.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
 	class Hydrax;
@@ -333,4 +339,7 @@ namespace Hydrax
     };
 }
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
diff --git a/source/main/gfx/hydrax/Module.h b/source/main/gfx/hydrax/Module.h
index 601514f3db..d4064b26b3 100644
--- a/source/main/gfx/hydrax/Module.h
+++ b/source/main/gfx/hydrax/Module.h
@@ -32,6 +32,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "MaterialManager.h"
 #include "GPUNormalMapManager.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Module
 {
 	/** Base module class,
@@ -158,4 +164,7 @@ namespace Hydrax{ namespace Module
 	};
 }}
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/Noise.h b/source/main/gfx/hydrax/Noise.h
index 73988a21e5..75f25a785c 100644
--- a/source/main/gfx/hydrax/Noise.h
+++ b/source/main/gfx/hydrax/Noise.h
@@ -28,6 +28,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "Prerequisites.h"
 #include "GPUNormalMapManager.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Noise
 {
 	/** Base noise class,
@@ -133,4 +139,7 @@ namespace Hydrax{ namespace Noise
 	};
 }}
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/Perlin.h b/source/main/gfx/hydrax/Perlin.h
index 90a6d532c7..d6478589f2 100644
--- a/source/main/gfx/hydrax/Perlin.h
+++ b/source/main/gfx/hydrax/Perlin.h
@@ -31,6 +31,12 @@ Based on the perlin noise code from Claes Johanson thesis:
 
 #include "Noise.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 #define n_bits				5
 #define n_size				(1<<(n_bits-1))
 #define n_size_m1			(n_size - 1)
@@ -278,4 +284,7 @@ namespace Hydrax{ namespace Noise
 	};
 }}
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
diff --git a/source/main/gfx/hydrax/PressurePoint.h b/source/main/gfx/hydrax/PressurePoint.h
index c1215ac176..eb332a3ea9 100644
--- a/source/main/gfx/hydrax/PressurePoint.h
+++ b/source/main/gfx/hydrax/PressurePoint.h
@@ -51,6 +51,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
     #define _HydraxGravity_ 9.81
 #endif
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Noise
 {
 
@@ -149,4 +155,7 @@ class PressurePoint
 
 }}  // Namespace
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif // PRESSUREPOINT_H_INCLUDED
diff --git a/source/main/gfx/hydrax/ProjectedGrid.h b/source/main/gfx/hydrax/ProjectedGrid.h
index 562baf7e38..ce7c93cc34 100644
--- a/source/main/gfx/hydrax/ProjectedGrid.h
+++ b/source/main/gfx/hydrax/ProjectedGrid.h
@@ -37,6 +37,12 @@ and Ren Cheng Ogre3D implementation:
 #include "Mesh.h"
 #include "Module.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Module
 {
 	/** Hydrax projected grid module
@@ -275,4 +281,7 @@ namespace Hydrax{ namespace Module
 	};
 }}
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/RadialGrid.h b/source/main/gfx/hydrax/RadialGrid.h
index 14db4e30ac..8adaa61b1e 100644
--- a/source/main/gfx/hydrax/RadialGrid.h
+++ b/source/main/gfx/hydrax/RadialGrid.h
@@ -31,6 +31,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "Mesh.h"
 #include "Module.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Module
 {
 	/** Hydrax radial grid module
@@ -227,4 +233,7 @@ namespace Hydrax{ namespace Module
 	};
 }}
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/Real.h b/source/main/gfx/hydrax/Real.h
index 087dab54a0..fb603cb7fc 100644
--- a/source/main/gfx/hydrax/Real.h
+++ b/source/main/gfx/hydrax/Real.h
@@ -50,6 +50,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "Wave.h"
 #include "PressurePoint.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Noise
 {
 
@@ -180,6 +186,8 @@ class Real : public Noise
     std::vector<PressurePoint> mPressurePoints;
 };
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
 
 }}  // Namespace
 
diff --git a/source/main/gfx/hydrax/RttManager.h b/source/main/gfx/hydrax/RttManager.h
index 1bab78ced6..309c816879 100644
--- a/source/main/gfx/hydrax/RttManager.h
+++ b/source/main/gfx/hydrax/RttManager.h
@@ -30,6 +30,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "Enums.h"
 #include "Help.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
 	class Hydrax;
@@ -513,4 +519,7 @@ namespace Hydrax
 	};
 };
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
diff --git a/source/main/gfx/hydrax/SimpleGrid.h b/source/main/gfx/hydrax/SimpleGrid.h
index 7048ab99a7..6786fee051 100644
--- a/source/main/gfx/hydrax/SimpleGrid.h
+++ b/source/main/gfx/hydrax/SimpleGrid.h
@@ -31,6 +31,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "Mesh.h"
 #include "Module.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Module
 {
 	/** Hydrax simple grid module
@@ -191,4 +197,7 @@ namespace Hydrax{ namespace Module
 	};
 }}
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/TextureManager.h b/source/main/gfx/hydrax/TextureManager.h
index 47d58dab58..15bf836e38 100644
--- a/source/main/gfx/hydrax/TextureManager.h
+++ b/source/main/gfx/hydrax/TextureManager.h
@@ -30,6 +30,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 #include "Enums.h"
 #include "Image.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax
 {
 	class Hydrax;
@@ -136,4 +142,7 @@ namespace Hydrax
 	};
 }
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 #endif
\ No newline at end of file
diff --git a/source/main/gfx/hydrax/Wave.h b/source/main/gfx/hydrax/Wave.h
index 3ffa4b84cb..fc6163596a 100644
--- a/source/main/gfx/hydrax/Wave.h
+++ b/source/main/gfx/hydrax/Wave.h
@@ -44,6 +44,12 @@ Place - Suite 330, Boston, MA 02111-1307, USA, or go to
 // ----------------------------------------------------------------------------
 #include "Perlin.h"
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Hydrax
+/// @{
+
 namespace Hydrax{ namespace Noise
 {
 
@@ -128,6 +134,9 @@ class Wave
     float mK;
 };
 
+/// @} // addtogroup Hydrax
+/// @} // addtogroup Gfx
+
 }}  // Namespace
 
 #endif // WAVE_H_INCLUDED
diff --git a/source/main/physics/flex/FlexBody.h b/source/main/physics/flex/FlexBody.h
index 4266a1aadc..69f8c4a52b 100644
--- a/source/main/physics/flex/FlexBody.h
+++ b/source/main/physics/flex/FlexBody.h
@@ -31,6 +31,12 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Flex
+/// @{
+
 /// Flexbody = A deformable mesh; updated on CPU every frame, then uploaded to video memory
 class FlexBody
 {
@@ -109,4 +115,7 @@ class FlexBody
     bool m_blend_changed;
 };
 
+/// @} // addtogroup Flex
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/physics/flex/FlexFactory.h b/source/main/physics/flex/FlexFactory.h
index c70ee720c7..d65fb839eb 100644
--- a/source/main/physics/flex/FlexFactory.h
+++ b/source/main/physics/flex/FlexFactory.h
@@ -39,6 +39,12 @@
 namespace RoR
 {
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Flex
+/// @{
+
 struct FlexBodyRecordHeader
 {
     FlexBodyRecordHeader():
@@ -198,4 +204,7 @@ class FlexFactory
     unsigned int            m_flexbody_cache_next_index;
 };
 
+/// @} // addtogroup Flex
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/physics/flex/FlexMesh.h b/source/main/physics/flex/FlexMesh.h
index d96ff6c285..7f100c9cbe 100644
--- a/source/main/physics/flex/FlexMesh.h
+++ b/source/main/physics/flex/FlexMesh.h
@@ -34,6 +34,12 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Flex
+/// @{
+
 class FlexMesh: public Flexable
 {
 public:
@@ -93,4 +99,7 @@ class FlexMesh: public Flexable
     unsigned short*   m_tiretread_indices;
 };
 
+/// @} // addtogroup Flex
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/physics/flex/FlexMeshWheel.h b/source/main/physics/flex/FlexMeshWheel.h
index f235d8e43b..1b915747ae 100644
--- a/source/main/physics/flex/FlexMeshWheel.h
+++ b/source/main/physics/flex/FlexMeshWheel.h
@@ -29,6 +29,12 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Flex
+/// @{
+
 /// Consists of static mesh, representing the rim, and dynamic mesh, representing the tire.
 class FlexMeshWheel: public Flexable
 {
@@ -101,4 +107,7 @@ class FlexMeshWheel: public Flexable
     unsigned short*  m_indices;
 };
 
+/// @} // addtogroup Flex
+/// @} // addtogroup Gfx
+
 } // namespace RoR
diff --git a/source/main/physics/flex/FlexObj.h b/source/main/physics/flex/FlexObj.h
index 3418f02e10..069d076e34 100644
--- a/source/main/physics/flex/FlexObj.h
+++ b/source/main/physics/flex/FlexObj.h
@@ -28,6 +28,12 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Flex
+/// @{
+
 /// Texture coordinates for old-style actor body (the "cab")
 struct CabTexcoord
 {
@@ -104,4 +110,7 @@ class FlexObj : public ZeroedMemoryAllocator
     int                         m_triangle_count;	
 };
 
+/// @} // addtogroup Flex
+/// @} // addtogroup Gfx
+
 } // namespace RoRs
diff --git a/source/main/physics/flex/Flexable.h b/source/main/physics/flex/Flexable.h
index c50110d4a0..729e821347 100644
--- a/source/main/physics/flex/Flexable.h
+++ b/source/main/physics/flex/Flexable.h
@@ -24,6 +24,12 @@
 
 namespace RoR {
 
+/// @addtogroup Gfx
+/// @{
+
+/// @addtogroup Flex
+/// @{
+
 // NOTE: class FlexBody no longer uses this interface ~ only_a_ptr, 05/2018
 class Flexable
 {
@@ -37,4 +43,7 @@ class Flexable
     virtual void setVisible(bool visible) = 0;
 };
 
+/// @} // addtogroup Flex
+/// @} // addtogroup Gfx
+
 } // namespace RoR