SL-12424 Allow saving offsets based on current camera position

indra/newview/llagentcamera.cpp

@@ -1985,6 +1985,22 @@ LLVector3d LLAgentCamera::calcCameraPositionTargetGlobal(BOOL *hit_limit)
 }
 
 
+LLVector3 LLAgentCamera::getCurrentCameraOffset()
+{
+	LLVector3 camera_offset = (LLViewerCamera::getInstance()->getOrigin() - gAgentAvatarp->getRenderPosition() - mThirdPersonHeadOffset) * ~gAgent.getFrameAgent().getQuaternion();
+	return  camera_offset / mCameraZoomFraction / gSavedSettings.getF32("CameraOffsetScale");
+}
+
+LLVector3d LLAgentCamera::getCurrentFocusOffset()
+{
+	return (mFocusTargetGlobal - gAgent.getPositionGlobal()) * ~gAgent.getFrameAgent().getQuaternion();
+}
+
+bool LLAgentCamera::isJoystickCameraUsed()
+{
+	return ((mOrbitAroundRadians != 0) || (mOrbitOverAngle != 0) || !mPanFocusDiff.isNull());
+}
+
 LLVector3 LLAgentCamera::getCameraOffsetInitial()
 {
 	return convert_from_llsd<LLVector3>(mCameraOffsetInitial->get(), TYPE_VEC3, "");

indra/newview/llagentcamera.h

@@ -117,6 +117,10 @@ class LLAgentCamera
 	/** Determines default focus offset depending on the current camera preset */
 	LLVector3d getFocusOffsetInitial();
 
+	LLVector3 getCurrentCameraOffset();
+	LLVector3d getCurrentFocusOffset();
+	bool isJoystickCameraUsed();
+
 private:
 	/** Determines maximum camera distance from target for mouselook, opposite to LAND_MIN_ZOOM */
 	F32 getCameraMaxZoomDistance();

indra/newview/llfloatersavecamerapreset.cpp

@@ -28,6 +28,7 @@
 
 #include "llfloatersavecamerapreset.h"
 
+#include "llagentcamera.h"
 #include "llbutton.h"
 #include "llcombobox.h"
 #include "llfloaterpreference.h"
@@ -101,6 +102,11 @@ void LLFloaterSaveCameraPreset::onBtnSave()
 	}
 	else 
 	{
+		if (gAgentCamera.isJoystickCameraUsed())
+		{
+			gSavedSettings.setVector3("CameraOffsetRearView", gAgentCamera.getCurrentCameraOffset());
+			gSavedSettings.setVector3d("FocusOffsetRearView", gAgentCamera.getCurrentFocusOffset());
+		}
 		if (is_saving_new)
 		{
 			std::list<std::string> preset_names;