llselectmgr.h

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#ifndef LL_LLSELECTMGR_H
#define LL_LLSELECTMGR_H

#include "llcharacter.h"
#include "lleditmenuhandler.h"
#include "llstring.h"
#include "llundo.h"
#include "lluuid.h"
#include "llmemory.h"
#include "llsaleinfo.h"
#include "llcategory.h"
#include "v3dmath.h"
#include "llquaternion.h"
#include "llcoord.h"
#include "llframetimer.h"
#include "llbbox.h"
#include "llpermissions.h"
#include "llviewerobject.h"

#include <deque>
#include "boost/iterator/filter_iterator.hpp"

class LLMessageSystem;
class LLViewerImage;
class LLViewerObject;
class LLColor4;
class LLVector3;
class LLSelectNode;

const S32 SELECT_ALL_TES = -1;
const S32 SELECT_MAX_TES = 32;

// Do something to all objects in the selection manager.
// The BOOL return value can be used to indicate if all
// objects are identical (gathering information) or if
// the operation was successful.
struct LLSelectedObjectFunctor
{
        virtual ~LLSelectedObjectFunctor() {};
        virtual bool apply(LLViewerObject* object) = 0;
};

// Do something to all select nodes in the selection manager.
// The BOOL return value can be used to indicate if all
// objects are identical (gathering information) or if
// the operation was successful.
struct LLSelectedNodeFunctor
{
        virtual ~LLSelectedNodeFunctor() {};
        virtual bool apply(LLSelectNode* node) = 0;
};

struct LLSelectedTEFunctor
{
        virtual ~LLSelectedTEFunctor() {};
        virtual bool apply(LLViewerObject* object, S32 face) = 0;
};

template <typename T> struct LLSelectedTEGetFunctor
{
        virtual ~LLSelectedTEGetFunctor() {};
        virtual T get(LLViewerObject* object, S32 te) = 0;
};

typedef enum e_send_type
{
        SEND_ONLY_ROOTS,
        SEND_INDIVIDUALS,
        SEND_ROOTS_FIRST, // useful for serial undos on linked sets
        SEND_CHILDREN_FIRST // useful for serial transforms of linked sets
} ESendType;

typedef enum e_grid_mode
{
        GRID_MODE_WORLD,
        GRID_MODE_LOCAL,
        GRID_MODE_REF_OBJECT
} EGridMode;

typedef enum e_action_type
{
        SELECT_ACTION_TYPE_BEGIN,
        SELECT_ACTION_TYPE_PICK,
        SELECT_ACTION_TYPE_MOVE,
        SELECT_ACTION_TYPE_ROTATE,
        SELECT_ACTION_TYPE_SCALE,
        NUM_ACTION_TYPES
}EActionType;

typedef enum e_selection_type
{
        SELECT_TYPE_WORLD,
        SELECT_TYPE_ATTACHMENT,
        SELECT_TYPE_HUD
}ESelectType;

// Contains information about a selected object, particularly which TEs are selected.
class LLSelectNode
{
public:
        LLSelectNode(LLViewerObject* object, BOOL do_glow);
        LLSelectNode(const LLSelectNode& nodep);
        ~LLSelectNode();

        void selectAllTEs(BOOL b);
        void selectTE(S32 te_index, BOOL selected);
        BOOL isTESelected(S32 te_index);
        S32 getLastSelectedTE();
        void renderOneSilhouette(const LLColor4 &color);
        void setTransient(BOOL transient) { mTransient = transient; }
        BOOL isTransient() { return mTransient; }
        LLViewerObject* getObject();
        void setObject(LLViewerObject* object);
        // *NOTE: invalidate stored textures and colors when # faces change
        void saveColors();
        void saveTextures(const std::vector<LLUUID>& textures);
        void saveTextureScaleRatios();

        BOOL allowOperationOnNode(PermissionBit op, U64 group_proxy_power) const;

public:
        BOOL                    mIndividualSelection;           // For root objects and objects individually selected

        BOOL                    mTransient;
        BOOL                    mValid;                         // is extra information valid?
        LLPermissions*  mPermissions;
        LLSaleInfo              mSaleInfo;
        LLAggregatePermissions mAggregatePerm;
        LLAggregatePermissions mAggregateTexturePerm;
        LLAggregatePermissions mAggregateTexturePermOwner;
        LLString                mName;
        LLString                mDescription;
        LLCategory              mCategory;
        S16                             mInventorySerial;
        LLVector3               mSavedPositionLocal;    // for interactively modifying object position
        LLVector3               mLastPositionLocal;
        LLVector3d              mSavedPositionGlobal;   // for interactively modifying object position
        LLVector3               mSavedScale;                    // for interactively modifying object scale
        LLVector3               mLastScale;
        LLQuaternion    mSavedRotation;                 // for interactively modifying object rotation
        LLQuaternion    mLastRotation;
        BOOL                    mDuplicated;
        LLVector3d              mDuplicatePos;
        LLQuaternion    mDuplicateRot;
        LLUUID                  mItemID;
        LLUUID                  mFolderID;
        LLUUID                  mFromTaskID;
        LLString                mTouchName;
        LLString                mSitName;
        U64                             mCreationDate;
        std::vector<LLColor4>   mSavedColors;
        std::vector<LLUUID>             mSavedTextures;
        std::vector<LLVector3>  mTextureScaleRatios;
        std::vector<LLVector3>  mSilhouetteVertices;    // array of vertices to render silhouette of object
        std::vector<LLVector3>  mSilhouetteNormals;     // array of normals to render silhouette of object
        std::vector<S32>                mSilhouetteSegments;    // array of normals to render silhouette of object
        BOOL                                    mSilhouetteExists;      // need to generate silhouette?

protected:
        LLPointer<LLViewerObject>       mObject;
        BOOL                    mTESelected[SELECT_MAX_TES];
        S32                             mLastTESelected;
};

class LLObjectSelection : public LLRefCount
{
        friend class LLSelectMgr;

protected:
        ~LLObjectSelection();

        // List
public:
        typedef std::list<LLSelectNode*> list_t;
private:
        list_t mList;

public:
        // Iterators
        struct is_non_null
        {
                bool operator()(LLSelectNode* node)
                {
                        return (node->getObject() != NULL);
                }
        };
        typedef boost::filter_iterator<is_non_null, list_t::iterator > iterator;
        iterator begin() { return iterator(mList.begin(), mList.end()); }
        iterator end() { return iterator(mList.end(), mList.end()); }

        struct is_valid
        {
                bool operator()(LLSelectNode* node)
                {
                        return (node->getObject() != NULL) && node->mValid;
                }
        };
        typedef boost::filter_iterator<is_valid, list_t::iterator > valid_iterator;
        valid_iterator valid_begin() { return valid_iterator(mList.begin(), mList.end()); }
        valid_iterator valid_end() { return valid_iterator(mList.end(), mList.end()); }

        struct is_root
        {
                bool operator()(LLSelectNode* node)
                {
                        LLViewerObject* object = node->getObject();
                        return (object != NULL) && !node->mIndividualSelection && (object->isRootEdit() || object->isJointChild());
                }
        };
        typedef boost::filter_iterator<is_root, list_t::iterator > root_iterator;
        root_iterator root_begin() { return root_iterator(mList.begin(), mList.end()); }
        root_iterator root_end() { return root_iterator(mList.end(), mList.end()); }
        
        struct is_valid_root
        {
                bool operator()(LLSelectNode* node)
                {
                        LLViewerObject* object = node->getObject();
                        return (object != NULL) && node->mValid && !node->mIndividualSelection && (object->isRootEdit() || object->isJointChild());
                }
        };
        typedef boost::filter_iterator<is_root, list_t::iterator > valid_root_iterator;
        valid_root_iterator valid_root_begin() { return valid_root_iterator(mList.begin(), mList.end()); }
        valid_root_iterator valid_root_end() { return valid_root_iterator(mList.end(), mList.end()); }
        
        struct is_root_object
        {
                bool operator()(LLSelectNode* node)
                {
                        LLViewerObject* object = node->getObject();
                        return (object != NULL) && (object->isRootEdit() || object->isJointChild());
                }
        };
        typedef boost::filter_iterator<is_root_object, list_t::iterator > root_object_iterator;
        root_object_iterator root_object_begin() { return root_object_iterator(mList.begin(), mList.end()); }
        root_object_iterator root_object_end() { return root_object_iterator(mList.end(), mList.end()); }
        
public:
        LLObjectSelection();

        void updateEffects();
        void cleanupNodes();

        BOOL isEmpty();

        S32 getOwnershipCost(S32 &cost);

        LLSelectNode*   getFirstNode(LLSelectedNodeFunctor* func = NULL);
        LLSelectNode*   getFirstRootNode(LLSelectedNodeFunctor* func = NULL, BOOL non_root_ok = FALSE);
        LLViewerObject* getFirstSelectedObject(LLSelectedNodeFunctor* func, BOOL get_parent = FALSE);
        LLViewerObject* getFirstObject();
        LLViewerObject* getFirstRootObject(BOOL non_root_ok = FALSE);
        
        LLSelectNode*   getFirstMoveableNode(BOOL get_root_first = FALSE);

        LLViewerObject* getFirstEditableObject(BOOL get_parent = FALSE);
        LLViewerObject* getFirstCopyableObject(BOOL get_parent = FALSE);
        LLViewerObject* getFirstDeleteableObject();
        LLViewerObject* getFirstMoveableObject(BOOL get_parent = FALSE);
        LLViewerObject* getPrimaryObject() { return mPrimaryObject; }

        // iterate through texture entries
        template <typename T> bool getSelectedTEValue(LLSelectedTEGetFunctor<T>* func, T& res);
                
        void addNode(LLSelectNode *nodep);
        void addNodeAtEnd(LLSelectNode *nodep);
        void moveNodeToFront(LLSelectNode *nodep);
        void removeNode(LLSelectNode *nodep);
        void deleteAllNodes();                  // Delete all nodes
        S32 getNumNodes();
        LLSelectNode* findNode(LLViewerObject* objectp);

        // count members
        S32 getObjectCount();
        S32 getTECount();
        S32 getRootObjectCount();

        BOOL contains(LLViewerObject* object);
        BOOL contains(LLViewerObject* object, S32 te);

        // returns TRUE is any node is currenly worn as an attachment
        BOOL isAttachment();

        // Apply functors to various subsets of the selected objects
        // If firstonly is FALSE, returns the AND of all apply() calls.
        // Else returns TRUE immediately if any apply() call succeeds (i.e. OR with early exit)
        bool applyToRootObjects(LLSelectedObjectFunctor* func, bool firstonly = false);
        bool applyToObjects(LLSelectedObjectFunctor* func, bool firstonly = false);
        bool applyToTEs(LLSelectedTEFunctor* func, bool firstonly = false);
        bool applyToRootNodes(LLSelectedNodeFunctor* func, bool firstonly = false);
        bool applyToNodes(LLSelectedNodeFunctor* func, bool firstonly = false);

        ESelectType getSelectType() { return mSelectType; }

private:
        const LLObjectSelection &operator=(const LLObjectSelection &);

        LLPointer<LLViewerObject> mPrimaryObject;
        std::map<LLPointer<LLViewerObject>, LLSelectNode*> mSelectNodeMap;
        ESelectType mSelectType;
};

typedef LLHandle<LLObjectSelection> LLObjectSelectionHandle;

class LLSelectMgr : public LLEditMenuHandler
{
public:
        static BOOL                                     sRectSelectInclusive;   // do we need to surround an object to pick it?
        static BOOL                                     sRenderHiddenSelections;        // do we show selection silhouettes that are occluded?
        static BOOL                                     sRenderLightRadius;     // do we show the radius of selected lights?
        static F32                                      sHighlightThickness;
        static F32                                      sHighlightUScale;
        static F32                                      sHighlightVScale;
        static F32                                      sHighlightAlpha;
        static F32                                      sHighlightAlphaTest;
        static F32                                      sHighlightUAnim;
        static F32                                      sHighlightVAnim;
        static LLColor4                         sSilhouetteParentColor;
        static LLColor4                         sSilhouetteChildColor;
        static LLColor4                         sHighlightParentColor;
        static LLColor4                         sHighlightChildColor;
        static LLColor4                         sHighlightInspectColor;
        static LLColor4                         sContextSilhouetteColor;

public:
        LLSelectMgr();
        ~LLSelectMgr();

        static void cleanupGlobals();

        // LLEditMenuHandler interface
        virtual BOOL canUndo();
        virtual void undo();

        virtual BOOL canRedo();
        virtual void redo();

        virtual BOOL canDoDelete();
        virtual void doDelete();

        virtual void deselect();
        virtual BOOL canDeselect();

        virtual void duplicate();
        virtual BOOL canDuplicate();

        void clearSelections();
        void update();
        void updateEffects(); // Update HUD effects
        void overrideObjectUpdates();

        // Returns the previous value of mForceSelection
        BOOL setForceSelection(BOOL force);

        // Selection methods

        // Add

        // For when you want just a child object.
        LLObjectSelectionHandle selectObjectOnly(LLViewerObject* object, S32 face = SELECT_ALL_TES);

        // This method is meant to select an object, and then select all
        // of the ancestors and descendents. This should be the normal behavior.
        LLObjectSelectionHandle selectObjectAndFamily(LLViewerObject* object, BOOL add_to_end = FALSE);

        // Same as above, but takes a list of objects.  Used by rectangle select.
        LLObjectSelectionHandle selectObjectAndFamily(const std::vector<LLViewerObject*>& object_list, BOOL send_to_sim = TRUE);

        // converts all objects currently highlighted to a selection, and returns it
        LLObjectSelectionHandle selectHighlightedObjects();

        LLObjectSelectionHandle setHoverObject(LLViewerObject *objectp);

        void highlightObjectOnly(LLViewerObject *objectp);
        void highlightObjectAndFamily(LLViewerObject *objectp);
        void highlightObjectAndFamily(const std::vector<LLViewerObject*>& list);

        // Remove

        void deselectObjectOnly(LLViewerObject* object, BOOL send_to_sim = TRUE);
        void deselectObjectAndFamily(LLViewerObject* object, BOOL send_to_sim = TRUE, BOOL include_entire_object = FALSE);

        // Send deselect messages to simulator, then clear the list
        void deselectAll();

        // deselect only if nothing else currently referencing the selection
        void deselectUnused();

        // Deselect if the selection center is too far away from the agent.
        void deselectAllIfTooFar();

        // Removes all highlighted objects from current selection
        void deselectHighlightedObjects();

        void unhighlightObjectOnly(LLViewerObject *objectp);
        void unhighlightObjectAndFamily(LLViewerObject *objectp);
        void unhighlightAll();

        BOOL removeObjectFromSelections(const LLUUID &id);

        // Selection accessors
        LLObjectSelectionHandle getHoverObjects() { return mHoverObjects; }
        LLObjectSelectionHandle getSelection() { return mSelectedObjects; }
        // right now this just renders the selection with root/child colors instead of a single color
        LLObjectSelectionHandle getEditSelection() { convertTransient(); return mSelectedObjects; }
        LLObjectSelectionHandle getHighlightedObjects() { return mHighlightedObjects; }

        LLSelectNode *getHoverNode();

        // Grid manipulation
        void                    addGridObject(LLViewerObject* objectp);
        void                    clearGridObjects();
        void                    setGridMode(EGridMode mode);
        EGridMode               getGridMode() { return mGridMode; }
        void                    getGrid(LLVector3& origin, LLQuaternion& rotation, LLVector3 &scale);

        BOOL getTEMode()                { return mTEMode; }
        void setTEMode(BOOL b)  { mTEMode = b; }

        BOOL shouldShowSelection()      { return mShowSelection; }

        LLBBox getBBoxOfSelection() const;
        LLBBox getSavedBBoxOfSelection() const { return mSavedSelectionBBox; }

        void dump();
        void cleanup();

        void updateSilhouettes();
        void renderSilhouettes(BOOL for_hud);
        void enableSilhouette(BOOL enable) { mRenderSilhouettes = enable; }
        
        // Utility functions that operate on the current selection
        void saveSelectedObjectTransform(EActionType action_type);
        void saveSelectedObjectColors();
        void saveSelectedObjectTextures();

        void selectionUpdatePhysics(BOOL use_physics);
        void selectionUpdateTemporary(BOOL is_temporary);
        void selectionUpdatePhantom(BOOL is_ghost);
        void selectionUpdateCastShadows(BOOL cast_shadows);
        void selectionDump();

        BOOL selectionAllPCode(LLPCode code);           // all objects have this PCode
        BOOL selectionGetClickAction(U8 *out_action);
        bool selectionGetIncludeInSearch(bool* include_in_search_out); // true if all selected objects have same

        void selectionSetMaterial(U8 material);
        void selectionSetImage(const LLUUID& imageid); // could be item or asset id
        void selectionSetColor(const LLColor4 &color);
        void selectionSetColorOnly(const LLColor4 &color); // Set only the RGB channels
        void selectionSetAlphaOnly(const F32 alpha); // Set only the alpha channel
        void selectionRevertColors();
        BOOL selectionRevertTextures();
        void selectionSetBumpmap( U8 bumpmap );
        void selectionSetTexGen( U8 texgen );
        void selectionSetShiny( U8 shiny );
        void selectionSetFullbright( U8 fullbright );
        void selectionSetMediaTypeAndURL( U8 media_type, const std::string& media_url );
        void selectionSetClickAction(U8 action);
        void selectionSetIncludeInSearch(bool include_in_search);

        void selectionSetObjectPermissions(U8 perm_field, BOOL set, U32 perm_mask, BOOL override = FALSE);
        void selectionSetObjectName(const LLString& name);
        void selectionSetObjectDescription(const LLString& desc);
        void selectionSetObjectCategory(const LLCategory& category);
        void selectionSetObjectSaleInfo(const LLSaleInfo& sale_info);

        void selectionTexScaleAutofit(F32 repeats_per_meter);
        void adjustTexturesByScale(BOOL send_to_sim, BOOL stretch);

        void selectionResetRotation();                          // sets rotation quat to identity
        void selectionRotateAroundZ(F32 degrees);
        void sendGodlikeRequest(const LLString& request, const LLString& parameter);


        // will make sure all selected object meet current criteria, or deselect them otherwise
        void validateSelection();

        // returns TRUE if it is possible to select this object
        BOOL canSelectObject(LLViewerObject* object);

        // Returns TRUE if the viewer has information on all selected objects
        BOOL selectGetAllRootsValid();
        BOOL selectGetAllValid();

        // returns TRUE if you can modify all selected objects. 
        BOOL selectGetRootsModify();
        BOOL selectGetModify();

        // returns TRUE if selected objects can be transferred.
        BOOL selectGetRootsTransfer();

        // returns TRUE if selected objects can be copied.
        BOOL selectGetRootsCopy();
        
        BOOL selectGetCreator(LLUUID& id, LLString& name);                                      // TRUE if all have same creator, returns id
        BOOL selectGetOwner(LLUUID& id, LLString& name);                                        // TRUE if all objects have same owner, returns id
        BOOL selectGetLastOwner(LLUUID& id, LLString& name);                            // TRUE if all objects have same owner, returns id

        // returns TRUE if all are the same. id is stuffed with
        // the value found if available.
        BOOL selectGetGroup(LLUUID& id); 
        BOOL selectGetPerm(     U8 which_perm, U32* mask_on, U32* mask_off);    // TRUE if all have data, returns two masks, each indicating which bits are all on and all off
        BOOL selectGetOwnershipCost(S32* cost);                                                         // sum of all ownership costs

        BOOL selectIsGroupOwned();                                                                                      // TRUE if all root objects have valid data and are group owned.

        // returns TRUE if all the nodes are valid. Accumulates
        // permissions in the parameter.
        BOOL selectGetPermissions(LLPermissions& perm);

        // returns TRUE if anything is for sale. calculates the total
        // price and stores that value in price.
        BOOL selectIsForSale(S32& price);

        // returns TRUE if all nodes are valid. 
        BOOL selectGetCategory(LLCategory& category);
        
        // returns TRUE if all nodes are valid. method also stores an
        // accumulated sale info.
        BOOL selectGetSaleInfo(LLSaleInfo& sale_info);

        // returns TRUE if all nodes are valid. fills passed in object
        // with the aggregate permissions of the selection.
        BOOL selectGetAggregatePermissions(LLAggregatePermissions& ag_perm);

        // returns TRUE if all nodes are valid. fills passed in object
        // with the aggregate permissions for texture inventory items of the selection.
        BOOL selectGetAggregateTexturePermissions(LLAggregatePermissions& ag_perm);

        LLPermissions* findObjectPermissions(const LLViewerObject* object);

        void selectDelete();                                                    // Delete on simulator
        void selectForceDelete();                       // just delete, no into trash
        void selectDuplicate(const LLVector3& offset, BOOL select_copy);        // Duplicate on simulator
        void repeatDuplicate();
        void selectDuplicateOnRay(const LLVector3 &ray_start_region,
                                                                const LLVector3 &ray_end_region,
                                                                BOOL bypass_raycast,
                                                                BOOL ray_end_is_intersection,
                                                                const LLUUID &ray_target_id,
                                                                BOOL copy_centers,
                                                                BOOL copy_rotates,
                                                                BOOL select_copy);

        void sendMultipleUpdate(U32 type);      // Position, rotation, scale all in one
        void sendOwner(const LLUUID& owner_id, const LLUUID& group_id, BOOL override = FALSE);
        void sendGroup(const LLUUID& group_id);

        // Category ID is the UUID of the folder you want to contain the purchase.
        // *NOTE: sale_info check doesn't work for multiple object buy,
        // which UI does not currently support sale info is used for
        // verification only, if it doesn't match region info then sale is
        // canceled
        void sendBuy(const LLUUID& buyer_id, const LLUUID& category_id, const LLSaleInfo sale_info);
        void sendAttach(U8 attachment_point);
        void sendDetach();
        void sendDropAttachment();
        void sendLink();
        void sendDelink();
        //void sendHinge(U8 type);
        //void sendDehinge();
        void sendSelect();

        void requestObjectPropertiesFamily(LLViewerObject* object);     // asks sim for creator, permissions, resources, etc.
        static void processObjectProperties(LLMessageSystem *mesgsys, void **user_data);
        static void processObjectPropertiesFamily(LLMessageSystem *mesgsys, void **user_data);
        static void processForceObjectSelect(LLMessageSystem* msg, void**);

        void requestGodInfo();

        LLVector3d              getSelectionCenterGlobal() const        { return mSelectionCenterGlobal; }
        void                    updateSelectionCenter();

        void resetAgentHUDZoom();
        void setAgentHUDZoom(F32 target_zoom, F32 current_zoom);
        void getAgentHUDZoom(F32 &target_zoom, F32 &current_zoom) const;

        void updatePointAt();

        // Internal list maintenance functions. TODO: Make these private!
        void remove(std::vector<LLViewerObject*>& objects);
        void remove(LLViewerObject* object, S32 te = SELECT_ALL_TES, BOOL undoable = TRUE);
        void removeAll();
        void addAsIndividual(LLViewerObject* object, S32 te = SELECT_ALL_TES, BOOL undoable = TRUE);
        void promoteSelectionToRoot();
        void demoteSelectionToIndividuals();

private:
        void convertTransient(); // converts temporarily selected objects to full-fledged selections
        ESelectType getSelectTypeForObject(LLViewerObject* object);
        void addAsFamily(std::vector<LLViewerObject*>& objects, BOOL add_to_end = FALSE);
        void generateSilhouette(LLSelectNode *nodep, const LLVector3& view_point);
        // Send one message to each region containing an object on selection list.
        void sendListToRegions( const LLString& message_name,
                                                        void (*pack_header)(void *user_data), 
                                                        void (*pack_body)(LLSelectNode* node, void *user_data), 
                                                        void *user_data,
                                                        ESendType send_type);

        static void packAgentID(        void *);
        static void packAgentAndSessionID(void* user_data);
        static void packAgentAndGroupID(void* user_data);
        static void packAgentAndSessionAndGroupID(void* user_data);
        static void packAgentIDAndSessionAndAttachment(void*);
        static void packAgentGroupAndCatID(void*);
        static void packDeleteHeader(void* userdata);
        static void packDeRezHeader(void* user_data);
        static void packObjectID(       LLSelectNode* node, void *);
        static void packObjectIDAsParam(LLSelectNode* node, void *);
        static void packObjectIDAndRotation(    LLSelectNode* node, void *);
        static void packObjectLocalID(LLSelectNode* node, void *);
        static void packObjectClickAction(LLSelectNode* node, void* data);
        static void packObjectIncludeInSearch(LLSelectNode* node, void* data);
        static void packObjectName(LLSelectNode* node, void* user_data);
        static void packObjectDescription(LLSelectNode* node, void* user_data);
        static void packObjectCategory(LLSelectNode* node, void* user_data);
        static void packObjectSaleInfo(LLSelectNode* node, void* user_data);
        static void packBuyObjectIDs(LLSelectNode* node, void* user_data);
        static void packDuplicate(      LLSelectNode* node, void *duplicate_data);
        static void packDuplicateHeader(void*);
        static void packDuplicateOnRayHead(void *user_data);
        static void packPermissions(LLSelectNode* node, void *user_data);
        static void packDeselect(       LLSelectNode* node, void *user_data);
        static void packMultipleUpdate(LLSelectNode* node, void *user_data);
        static void packPhysics(LLSelectNode* node, void *user_data);
        static void packShape(LLSelectNode* node, void *user_data);
        static void packOwnerHead(void *user_data);
        static void packHingeHead(void *user_data);
        static void packPermissionsHead(void* user_data);
        static void packGodlikeHead(void* user_data);
        static void confirmDelete(S32 option, void* data);
        
private:
        LLPointer<LLViewerImage>                                mSilhouetteImagep;
        LLObjectSelectionHandle                                 mSelectedObjects;
        LLObjectSelectionHandle                                 mHoverObjects;
        LLObjectSelectionHandle                                 mHighlightedObjects;
        std::set<LLPointer<LLViewerObject> >    mRectSelectedObjects;
        
        LLObjectSelection               mGridObjects;
        LLQuaternion                    mGridRotation;
        LLVector3                               mGridOrigin;
        LLVector3                               mGridScale;
        EGridMode                               mGridMode;
        BOOL                                    mGridValid;


        BOOL                                    mTEMode;                        // render te
        LLVector3d                              mSelectionCenterGlobal;
        LLBBox                                  mSelectionBBox;

        LLVector3d                              mLastSentSelectionCenterGlobal;
        BOOL                                    mShowSelection; // do we send the selection center name value and do we animate this selection?
        LLVector3d                              mLastCameraPos;         // camera position from last generation of selection silhouette
        BOOL                                    mRenderSilhouettes;     // do we render the silhouette
        LLBBox                                  mSavedSelectionBBox;

        LLFrameTimer                    mEffectsTimer;
        BOOL                                    mForceSelection;

        LLAnimPauseRequest              mPauseRequest;
};

extern LLSelectMgr* gSelectMgr;

// Utilities
void dialog_refresh_all();              // Update subscribers to the selection list

// Templates
//-----------------------------------------------------------------------------
// getSelectedTEValue
//-----------------------------------------------------------------------------
template <typename T> bool LLObjectSelection::getSelectedTEValue(LLSelectedTEGetFunctor<T>* func, T& res)
{
        bool have_first = false;
        bool have_selected = false;
        T selected_value = T();

        // Now iterate through all TEs to test for sameness
        bool identical = TRUE;
        for (iterator iter = begin(); iter != end(); iter++)
        {
                LLSelectNode* node = *iter;
                LLViewerObject* object = node->getObject();
                S32 selected_te = -1;
                if (object == getPrimaryObject())
                {
                        selected_te = node->getLastSelectedTE();
                }
                for (S32 te = 0; te < object->getNumTEs(); ++te)
                {
                        if (!node->isTESelected(te))
                        {
                                continue;
                        }
                        T value = func->get(object, te);
                        if (!have_first)
                        {
                                have_first = true;
                                if (!have_selected)
                                {
                                        selected_value = value;
                                }
                        }
                        else
                        {
                                if ( value != selected_value )
                                {
                                        identical = false;
                                }
                                if (te == selected_te)
                                {
                                        selected_value = value;
                                        have_selected = true;
                                }
                        }
                }
                if (!identical && have_selected)
                {
                        break;
                }
        }
        if (have_first || have_selected)
        {
                res = selected_value;
        }
        return identical;
}


#endif

---