llmaniprotate.h
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- /**
- * @file llmaniprotate.h
- * @brief LLManipRotate class definition
- *
- * $LicenseInfo:firstyear=2002&license=viewergpl$
- *
- * Copyright (c) 2002-2010, Linden Research, Inc.
- *
- * Second Life Viewer Source Code
- * The source code in this file ("Source Code") is provided by Linden Lab
- * to you under the terms of the GNU General Public License, version 2.0
- * ("GPL"), unless you have obtained a separate licensing agreement
- * ("Other License"), formally executed by you and Linden Lab. Terms of
- * the GPL can be found in doc/GPL-license.txt in this distribution, or
- * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
- *
- * There are special exceptions to the terms and conditions of the GPL as
- * it is applied to this Source Code. View the full text of the exception
- * in the file doc/FLOSS-exception.txt in this software distribution, or
- * online at
- * http://secondlifegrid.net/programs/open_source/licensing/flossexception
- *
- * By copying, modifying or distributing this software, you acknowledge
- * that you have read and understood your obligations described above,
- * and agree to abide by those obligations.
- *
- * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
- * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
- * COMPLETENESS OR PERFORMANCE.
- * $/LicenseInfo$
- */
- #ifndef LL_LLMANIPROTATE_H
- #define LL_LLMANIPROTATE_H
- #include "lltool.h"
- #include "v3math.h"
- #include "v4math.h"
- #include "llquaternion.h"
- #include "llregionposition.h"
- #include "llmanip.h"
- #include "llviewerobject.h"
- class LLToolComposite;
- class LLColor4;
- class LLManipRotate : public LLManip
- {
- public:
- class ManipulatorHandle
- {
- public:
- LLVector3 mAxisU;
- LLVector3 mAxisV;
- U32 mManipID;
- ManipulatorHandle(LLVector3 axis_u, LLVector3 axis_v, U32 id) : mAxisU(axis_u), mAxisV(axis_v), mManipID(id){}
- };
-
- LLManipRotate( LLToolComposite* composite );
- virtual BOOL handleMouseDown( S32 x, S32 y, MASK mask );
- virtual BOOL handleMouseUp( S32 x, S32 y, MASK mask );
- virtual BOOL handleHover( S32 x, S32 y, MASK mask );
- virtual void render();
- virtual void handleSelect();
- virtual BOOL handleMouseDownOnPart(S32 x, S32 y, MASK mask);
- virtual void highlightManipulators(S32 x, S32 y);
- virtual BOOL canAffectSelection();
-
- private:
- void updateHoverView();
- void drag( S32 x, S32 y );
- LLVector3 projectToSphere( F32 x, F32 y, BOOL* on_sphere );
- void renderSnapGuides();
- void renderActiveRing(F32 radius, F32 width, const LLColor4& center_color, const LLColor4& side_color);
- BOOL updateVisiblity();
- LLVector3 findNearestPointOnRing( S32 x, S32 y, const LLVector3& center, const LLVector3& axis );
- LLQuaternion dragUnconstrained( S32 x, S32 y );
- LLQuaternion dragConstrained( S32 x, S32 y );
- LLVector3 getConstraintAxis();
- S32 getObjectAxisClosestToMouse(LLVector3& axis);
- // Utility functions
- static void mouseToRay( S32 x, S32 y, LLVector3* ray_pt, LLVector3* ray_dir );
- static LLVector3 intersectMouseWithSphere( S32 x, S32 y, const LLVector3& sphere_center, F32 sphere_radius );
- static LLVector3 intersectRayWithSphere( const LLVector3& ray_pt, const LLVector3& ray_dir, const LLVector3& sphere_center, F32 sphere_radius);
- private:
- LLVector3d mRotationCenter;
- LLCoordGL mCenterScreen;
- // S32 mLastHoverMouseX; // used to suppress hover if mouse doesn't move
- // S32 mLastHoverMouseY;
- LLQuaternion mRotation;
-
- LLVector3 mMouseDown;
- LLVector3 mMouseCur;
- F32 mRadiusMeters;
-
- LLVector3 mCenterToCam;
- LLVector3 mCenterToCamNorm;
- F32 mCenterToCamMag;
- LLVector3 mCenterToProfilePlane;
- F32 mCenterToProfilePlaneMag;
- BOOL mSendUpdateOnMouseUp;
- BOOL mSmoothRotate;
- BOOL mCamEdgeOn;
- LLVector4 mManipulatorVertices[6];
- LLVector4 mManipulatorScales;
- };
- #endif // LL_LLMANIPROTATE_H