More progress

- Fixed normal stereo rendering
- Beginnings of vr overlay code

Engine/source/platform/input/openVR/openVROverlay.h

@@ -0,0 +1,89 @@
+#ifndef _OPENVROVERLAY_H_
+#define _OPENVROVERLAY_H_
+
+#ifndef _GUIOFFSCREENCANVAS_H_
+#include "gui/core/guiOffscreenCanvas.h"
+#endif
+#ifndef _OPENVRDEVICE_H_
+#include "platform/input/openVR/openVRProvider.h"
+#endif
+#ifndef _COLLISION_H_
+#include "collision/collision.h"
+#endif
+
+
+typedef vr::VROverlayInputMethod OpenVROverlayInputMethod;
+typedef vr::VROverlayTransformType OpenVROverlayTransformType;
+typedef vr::EGamepadTextInputMode OpenVRGamepadTextInputMode;
+typedef vr::EGamepadTextInputLineMode OpenVRGamepadTextInputLineMode;
+typedef vr::ETrackingResult OpenVRTrackingResult;
+typedef vr::ETrackingUniverseOrigin OpenVRTrackingUniverseOrigin;
+typedef vr::EOverlayDirection OpenVROverlayDirection;
+typedef vr::EVRState OpenVRState;
+
+class OpenVROverlay : public GuiOffscreenCanvas
+{
+public:
+   typedef GuiOffscreenCanvas Parent;
+
+   enum OverlayType
+   {
+      OVERLAYTYPE_OVERLAY,
+      OVERLAYTYPE_DASHBOARD,
+   };
+
+   vr::VROverlayHandle_t mOverlayHandle;
+
+   // Desired OpenVR state
+   U32 mOverlayFlags;
+   F32 mOverlayWidth;
+
+   vr::VROverlayTransformType mOverlayTransformType;
+   MatrixF mTransform;
+   vr::TrackedDeviceIndex_t mTransformDeviceIndex;
+   const char* mTransformDeviceComponent;
+
+
+   vr::VROverlayInputMethod mInputMethod;
+   Point2F mMouseScale;
+
+   MatrixF mTrackingOrigin;
+   vr::TrackedDeviceIndex_t mControllerDeviceIndex;
+
+   bool mOverlayTypeDirty; ///< Overlay type is dirty
+   bool mOverlayDirty; ///< Overlay properties are dirty
+   OverlayType mOverlayType;
+
+   //
+
+   OpenVROverlay();
+   virtual ~OpenVROverlay();
+
+   static void initPersistFields();
+
+   bool onAdd();
+   void onRemove();
+
+   void resetOverlay();
+   void updateOverlay();
+
+   void showOverlay();
+   void hideOverlay();
+
+   bool isOverlayVisible();
+   bool isOverlayHoverTarget();
+
+   bool isGamepadFocussed();
+   bool isActiveDashboardOverlay();
+
+   MatrixF getTransformForOverlayCoordinates(const vr::ETrackingUniverseOrigin trackingOrigin, const Point2F &pos);
+   bool castRay(const vr::ETrackingUniverseOrigin trackingOrigin, const Point3F &origin, const Point3F &direction, RayInfo *info);
+
+   void moveGamepadFocusToNeighbour();
+};
+
+typedef OpenVROverlay::OverlayType OpenVROverlayType;
+DefineEnumType(OpenVROverlayType);
+
+
+#endif