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/**
* @file lltoolmorph.h
* @brief A tool to select object faces.
*
* Copyright (c) 2001-2007, 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://secondlife.com/developers/opensource/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://secondlife.com/developers/opensource/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.
*/
#ifndef LL_LLTOOLMORPH_H
#define LL_LLTOOLMORPH_H
#include "lltool.h"
#include "m4math.h"
#include "v2math.h"
#include "linked_lists.h"
#include "lldynamictexture.h"
#include "llundo.h"
#include "lltextbox.h"
#include "llstrider.h"
#include "llviewervisualparam.h"
#include "llframetimer.h"
#include "llviewerimage.h"
class LLViewerJointMesh;
class LLPolyMesh;
class LLViewerObject;
//-----------------------------------------------------------------------------
// LLVisualParamHint
//-----------------------------------------------------------------------------
class LLVisualParamHint
: public LLDynamicTexture
{
public:
LLVisualParamHint(
S32 pos_x, S32 pos_y,
S32 width, S32 height,
LLViewerJointMesh *mesh,
LLViewerVisualParam *param,
F32 param_weight);
virtual ~LLVisualParamHint();
BOOL needsRender();
void preRender(BOOL clear_depth);
BOOL render();
void requestUpdate( S32 delay_frames ) {mNeedsUpdate = TRUE; mDelayFrames = delay_frames; }
void setUpdateDelayFrames( S32 delay_frames ) { mDelayFrames = delay_frames; }
void draw();
LLViewerVisualParam* getVisualParam() { return mVisualParam; }
F32 getVisualParamWeight() { return mVisualParamWeight; }
BOOL getVisible() { return mIsVisible; }
void setAllowsUpdates( BOOL b ) { mAllowsUpdates = b; }
const LLRect& getRect() { return mRect; }
// Requests updates for all instances (excluding two possible exceptions) Grungy but efficient.
static void requestHintUpdates( LLVisualParamHint* exception1 = NULL, LLVisualParamHint* exception2 = NULL );
protected:
BOOL mNeedsUpdate; // does this texture need to be re-rendered?
BOOL mIsVisible; // is this distortion hint visible?
LLViewerJointMesh* mJointMesh; // mesh that this distortion applies to
LLViewerVisualParam* mVisualParam; // visual param applied by this hint
F32 mVisualParamWeight; // weight for this visual parameter
BOOL mAllowsUpdates; // updates are blocked unless this is true
S32 mDelayFrames; // updates are blocked for this many frames
LLRect mRect;
F32 mLastParamWeight;
LLPointer<LLViewerImage> mBackgroundp;
static LLLinkedList<LLVisualParamHint> sInstances;
};
// this class resets avatar data at the end of an update cycle
class LLVisualParamReset : public LLDynamicTexture
{
public:
LLVisualParamReset();
/*virtual */ BOOL render();
static BOOL sDirty;
};
#endif
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