122 lines
3.8 KiB
C++
122 lines
3.8 KiB
C++
/**
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* @file llmaniprotate.h
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* @brief LLManipRotate class definition
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*
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* $LicenseInfo:firstyear=2002&license=viewergpl$
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*
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* Copyright (c) 2002-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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#ifndef LL_LLMANIPROTATE_H
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#define LL_LLMANIPROTATE_H
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#include "lltool.h"
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#include "v3math.h"
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#include "v4math.h"
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#include "llquaternion.h"
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#include "llregionposition.h"
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#include "llmanip.h"
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#include "llviewerobject.h"
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class LLToolComposite;
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class LLColor4;
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class LLManipRotate : public LLManip
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{
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public:
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class ManipulatorHandle
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{
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public:
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LLVector3 mAxisU;
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LLVector3 mAxisV;
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U32 mManipID;
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ManipulatorHandle(LLVector3 axis_u, LLVector3 axis_v, U32 id) : mAxisU(axis_u), mAxisV(axis_v), mManipID(id){}
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};
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LLManipRotate( LLToolComposite* composite );
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virtual BOOL handleMouseDown( S32 x, S32 y, MASK mask );
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virtual BOOL handleMouseUp( S32 x, S32 y, MASK mask );
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virtual BOOL handleHover( S32 x, S32 y, MASK mask );
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virtual void render();
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virtual void handleSelect();
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virtual BOOL handleMouseDownOnPart(S32 x, S32 y, MASK mask);
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virtual void highlightManipulators(S32 x, S32 y);
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virtual BOOL canAffectSelection();
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private:
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void updateHoverView();
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void drag( S32 x, S32 y );
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LLVector3 projectToSphere( F32 x, F32 y, BOOL* on_sphere );
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void renderSnapGuides();
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void renderActiveRing(F32 radius, F32 width, const LLColor4& center_color, const LLColor4& side_color);
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BOOL updateVisiblity();
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LLVector3 findNearestPointOnRing( S32 x, S32 y, const LLVector3& center, const LLVector3& axis );
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LLQuaternion dragUnconstrained( S32 x, S32 y );
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LLQuaternion dragConstrained( S32 x, S32 y );
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LLVector3 getConstraintAxis();
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S32 getObjectAxisClosestToMouse(LLVector3& axis);
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// Utility functions
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static void mouseToRay( S32 x, S32 y, LLVector3* ray_pt, LLVector3* ray_dir );
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static LLVector3 intersectMouseWithSphere( S32 x, S32 y, const LLVector3& sphere_center, F32 sphere_radius );
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static LLVector3 intersectRayWithSphere( const LLVector3& ray_pt, const LLVector3& ray_dir, const LLVector3& sphere_center, F32 sphere_radius);
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private:
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LLVector3d mRotationCenter;
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LLCoordGL mCenterScreen;
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// S32 mLastHoverMouseX; // used to suppress hover if mouse doesn't move
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// S32 mLastHoverMouseY;
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LLQuaternion mRotation;
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LLVector3 mMouseDown;
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LLVector3 mMouseCur;
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F32 mRadiusMeters;
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LLVector3 mCenterToCam;
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LLVector3 mCenterToCamNorm;
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F32 mCenterToCamMag;
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LLVector3 mCenterToProfilePlane;
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F32 mCenterToProfilePlaneMag;
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BOOL mSendUpdateOnMouseUp;
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BOOL mSmoothRotate;
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BOOL mCamEdgeOn;
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LLVector4 mManipulatorVertices[6];
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LLVector4 mManipulatorScales;
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};
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#endif // LL_LLMANIPROTATE_H
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