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/**
* @file llmanipscale.h
* @brief LLManipScale class definition
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2008, 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_MANIPSCALE_H
#define LL_MANIPSCALE_H
// llmanipscale.h
//
// copyright 2001-2002, linden research inc
#include "lltool.h"
#include "v3math.h"
#include "v4math.h"
#include "llmanip.h"
#include "llviewerobject.h"
#include "llbbox.h"
class LLToolComposite;
class LLColor4;
typedef enum e_scale_manipulator_type
{
SCALE_MANIP_CORNER,
SCALE_MANIP_FACE
} EScaleManipulatorType;
class LLManipScale : public LLManip
{
public:
class ManipulatorHandle
{
public:
LLVector3 mPosition;
EManipPart mManipID;
EScaleManipulatorType mType;
ManipulatorHandle(LLVector3 pos, EManipPart id, EScaleManipulatorType type):mPosition(pos), mManipID(id), mType(type){}
};
LLManipScale( LLToolComposite* composite );
~LLManipScale();
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 void handleDeselect();
virtual BOOL handleMouseDownOnPart(S32 x, S32 y, MASK mask);
virtual void highlightManipulators(S32 x, S32 y); // decided which manipulator, if any, should be highlighted by mouse hover
virtual BOOL canAffectSelection();
static void setUniform( BOOL b );
static BOOL getUniform();
static void setStretchTextures( BOOL b );
static BOOL getStretchTextures();
static void setShowAxes( BOOL b );
static BOOL getShowAxes();
private:
void renderCorners( const LLBBox& local_bbox );
void renderFaces( const LLBBox& local_bbox );
void renderEdges( const LLBBox& local_bbox );
void renderBoxHandle( F32 x, F32 y, F32 z );
void renderAxisHandle( const LLVector3& start, const LLVector3& end );
void renderGuidelinesPart( const LLBBox& local_bbox );
void renderSnapGuides( const LLBBox& local_bbox );
void revert();
inline void conditionalHighlight( U32 part, const LLColor4* highlight = NULL, const LLColor4* normal = NULL );
void drag( S32 x, S32 y );
void dragFace( S32 x, S32 y );
void dragCorner( S32 x, S32 y );
void sendUpdates( BOOL send_position_update, BOOL send_scale_update, BOOL corner = FALSE);
LLVector3 faceToUnitVector( S32 part ) const;
LLVector3 cornerToUnitVector( S32 part ) const;
LLVector3 edgeToUnitVector( S32 part ) const;
LLVector3 partToUnitVector( S32 part ) const;
LLVector3 unitVectorToLocalBBoxExtent( const LLVector3& v, const LLBBox& bbox ) const;
F32 partToMaxScale( S32 part, const LLBBox& bbox ) const;
F32 partToMinScale( S32 part, const LLBBox& bbox ) const;
LLVector3 nearestAxis( const LLVector3& v ) const;
void stretchFace( const LLVector3& drag_start_agent, const LLVector3& drag_delta_agent);
void adjustTextureRepeats(); // Adjusts texture coords based on mSavedScale and current scale, only works for boxes
void updateSnapGuides(const LLBBox& bbox);
private:
struct compare_manipulators
{
bool operator() (const ManipulatorHandle* const a, const ManipulatorHandle* const b) const
{
if (a->mType != b->mType)
return a->mType < b->mType;
else if (a->mPosition.mV[VZ] != b->mPosition.mV[VZ])
return a->mPosition.mV[VZ] < b->mPosition.mV[VZ];
else
return a->mManipID < b->mManipID;
}
};
F32 mBoxHandleSize; // The size of the handles at the corners of the bounding box
F32 mScaledBoxHandleSize; // handle size after scaling for selection feedback
EManipPart mManipPart;
LLVector3d mDragStartPointGlobal;
LLVector3d mDragStartCenterGlobal; // The center of the bounding box of all selected objects at time of drag start
LLVector3d mDragPointGlobal;
LLVector3d mDragFarHitGlobal;
S32 mLastMouseX;
S32 mLastMouseY;
BOOL mSendUpdateOnMouseUp;
U32 mLastUpdateFlags;
typedef std::set<ManipulatorHandle*, compare_manipulators> minpulator_list_t;
minpulator_list_t mProjectedManipulators;
LLVector4 mManipulatorVertices[14];
F32 mScaleSnapUnit1; // size of snap multiples for axis 1
F32 mScaleSnapUnit2; // size of snap multiples for axis 2
LLVector3 mScalePlaneNormal1; // normal of plane in which scale occurs that most faces camera
LLVector3 mScalePlaneNormal2; // normal of plane in which scale occurs that most faces camera
LLVector3 mSnapGuideDir1;
LLVector3 mSnapGuideDir2;
LLVector3 mSnapDir1;
LLVector3 mSnapDir2;
F32 mSnapRegimeOffset;
F32 mSnapGuideLength;
LLVector3 mScaleCenter;
LLVector3 mScaleDir;
F32 mScaleSnapValue;
BOOL mInSnapRegime;
F32* mManipulatorScales;
};
#endif // LL_MANIPSCALE_H
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