lltoolmorph.h

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#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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