/**
 * @file llvoavatarself.h
 * @brief Declaration of LLVOAvatar class which is a derivation fo
 * LLViewerObject
 *
 * $LicenseInfo:firstyear=2001&license=viewerlgpl$
 * Second Life Viewer Source Code
 * Copyright (C) 2010, Linden Research, Inc.
 * 
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation;
 * version 2.1 of the License only.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 * 
 * Linden Research, Inc., 945 Battery Street, San Francisco, CA  94111  USA
 * $/LicenseInfo$
 */

#ifndef LL_LLVOAVATARSELF_H
#define LL_LLVOAVATARSELF_H

#include "llviewertexture.h"
#include "llvoavatar.h"
#include <map>

struct LocalTextureData;
class LLInventoryCallback;


//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
// LLVOAvatarSelf
//
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
class LLVOAvatarSelf :
	public LLVOAvatar
{
	LOG_CLASS(LLVOAvatarSelf);

/********************************************************************************
 **                                                                            **
 **                    INITIALIZATION
 **/

public:
	LLVOAvatarSelf(const LLUUID &id, const LLPCode pcode, LLViewerRegion *regionp);
	virtual 				~LLVOAvatarSelf();
	virtual void			markDead();
	virtual void 			initInstance(); // Called after construction to initialize the class.
	void					cleanup();
protected:
	/*virtual*/ BOOL		loadAvatar();
	BOOL					loadAvatarSelf();
	BOOL					buildSkeletonSelf(const LLAvatarSkeletonInfo *info);
	BOOL					buildMenus();

/**                    Initialization
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    INHERITED
 **/

	//--------------------------------------------------------------------
	// LLViewerObject interface and related
	//--------------------------------------------------------------------
public:
	boost::signals2::connection                   mRegionChangedSlot;

	void					onSimulatorFeaturesReceived(const LLUUID& region_id);
	/*virtual*/ void 		updateRegion(LLViewerRegion *regionp);
	/*virtual*/ void   	 	idleUpdate(LLAgent &agent, const F64 &time);

	//--------------------------------------------------------------------
	// LLCharacter interface and related
	//--------------------------------------------------------------------
public:
	/*virtual*/ bool 		hasMotionFromSource(const LLUUID& source_id);
	/*virtual*/ void 		stopMotionFromSource(const LLUUID& source_id);
	/*virtual*/ void 		requestStopMotion(LLMotion* motion);
	/*virtual*/ LLJoint*	getJoint(const std::string &name);
	
	/*virtual*/ BOOL setVisualParamWeight(const LLVisualParam *which_param, F32 weight);
	/*virtual*/ BOOL setVisualParamWeight(const char* param_name, F32 weight);
	/*virtual*/ BOOL setVisualParamWeight(S32 index, F32 weight);
	/*virtual*/ void updateVisualParams();
	void writeWearablesToAvatar();
	/*virtual*/ void idleUpdateAppearanceAnimation();

private:
	// helper function. Passed in param is assumed to be in avatar's parameter list.
	BOOL setParamWeight(const LLViewerVisualParam *param, F32 weight);



/**                    Initialization
 **                                                                            **
 *******************************************************************************/

private:
	LLUUID mInitialBakeIDs[6];
	//bool mInitialBakesLoaded;


/********************************************************************************
 **                                                                            **
 **                    STATE
 **/

public:
	/*virtual*/ bool 	isSelf() const { return true; }
	/*virtual*/ BOOL	isValid() const;

	//--------------------------------------------------------------------
	// Updates
	//--------------------------------------------------------------------
public:
	/*virtual*/ BOOL 	updateCharacter(LLAgent &agent);
	/*virtual*/ void 	idleUpdateTractorBeam();
	bool				checkStuckAppearance();

	//--------------------------------------------------------------------
	// Loading state
	//--------------------------------------------------------------------
public:
	/*virtual*/ BOOL    getIsCloud() const;

	//--------------------------------------------------------------------
	// Region state
	//--------------------------------------------------------------------
	void			resetRegionCrossingTimer()	{ mRegionCrossingTimer.reset();	}

private:
	U64				mLastRegionHandle;
	LLFrameTimer	mRegionCrossingTimer;
	S32				mRegionCrossingCount;
	
/**                    State
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    RENDERING
 **/

	//--------------------------------------------------------------------
	// Render beam
	//--------------------------------------------------------------------
protected:
	BOOL 		needsRenderBeam();
private:
	LLPointer<LLHUDEffectSpiral> mBeam;
	LLFrameTimer mBeamTimer;

	//--------------------------------------------------------------------
	// LLVOAvatar Constants
	//--------------------------------------------------------------------
public:
	/*virtual*/ LLViewerTexture::EBoostLevel 	getAvatarBoostLevel() const { return LLGLTexture::BOOST_AVATAR_SELF; }
	/*virtual*/ LLViewerTexture::EBoostLevel 	getAvatarBakedBoostLevel() const { return LLGLTexture::BOOST_AVATAR_BAKED_SELF; }
	/*virtual*/ S32 						getTexImageSize() const { return LLVOAvatar::getTexImageSize()*4; }

/**                    Rendering
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    TEXTURES
 **/

	//--------------------------------------------------------------------
	// Loading status
	//--------------------------------------------------------------------
public:
	S32					getLocalDiscardLevel(LLAvatarAppearanceDefines::ETextureIndex type, U32 index) const;
	bool				areTexturesCurrent() const;
	BOOL				isLocalTextureDataAvailable(const LLViewerTexLayerSet* layerset) const;
	BOOL				isLocalTextureDataFinal(const LLViewerTexLayerSet* layerset) const;
	// If you want to check all textures of a given type, pass gAgentWearables.getWearableCount() for index
	/*virtual*/ BOOL    isTextureDefined(LLAvatarAppearanceDefines::ETextureIndex type, U32 index) const;
	/*virtual*/ BOOL	isTextureVisible(LLAvatarAppearanceDefines::ETextureIndex type, U32 index = 0) const;
	/*virtual*/ BOOL	isTextureVisible(LLAvatarAppearanceDefines::ETextureIndex type, LLViewerWearable *wearable) const;


	//--------------------------------------------------------------------
	// Local Textures
	//--------------------------------------------------------------------
public:
	BOOL				getLocalTextureGL(LLAvatarAppearanceDefines::ETextureIndex type, LLViewerTexture** image_gl_pp, U32 index) const;
	LLViewerFetchedTexture*	getLocalTextureGL(LLAvatarAppearanceDefines::ETextureIndex type, U32 index) const;
	const LLUUID&		getLocalTextureID(LLAvatarAppearanceDefines::ETextureIndex type, U32 index) const;
	void				setLocalTextureTE(U8 te, LLViewerTexture* image, U32 index);
	/*virtual*/ void	setLocalTexture(LLAvatarAppearanceDefines::ETextureIndex type, LLViewerTexture* tex, BOOL baked_version_exits, U32 index);
protected:
	/*virtual*/ void	setBakedReady(LLAvatarAppearanceDefines::ETextureIndex type, BOOL baked_version_exists, U32 index);
	void				localTextureLoaded(BOOL succcess, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);
	void				getLocalTextureByteCount(S32* gl_byte_count) const;
	/*virtual*/ void	addLocalTextureStats(LLAvatarAppearanceDefines::ETextureIndex i, LLViewerFetchedTexture* imagep, F32 texel_area_ratio, BOOL rendered, BOOL covered_by_baked);
	LLLocalTextureObject* getLocalTextureObject(LLAvatarAppearanceDefines::ETextureIndex i, U32 index) const;

private:
	static void			onLocalTextureLoaded(BOOL succcess, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);

	/*virtual*/	void	setImage(const U8 te, LLViewerTexture *imagep, const U32 index); 
	/*virtual*/ LLViewerTexture* getImage(const U8 te, const U32 index) const;


	//--------------------------------------------------------------------
	// Baked textures
	//--------------------------------------------------------------------
public:
	LLAvatarAppearanceDefines::ETextureIndex getBakedTE(const LLViewerTexLayerSet* layerset ) const;
	// SUNSHINE CLEANUP - dead? or update to just call request appearance update?
	void				forceBakeAllTextures(bool slam_for_debug = false);
protected:
	/*virtual*/ void	removeMissingBakedTextures();

	//--------------------------------------------------------------------
	// Layers
	//--------------------------------------------------------------------
public:
	void				requestLayerSetUpdate(LLAvatarAppearanceDefines::ETextureIndex i);
	LLViewerTexLayerSet* getLayerSet(LLAvatarAppearanceDefines::EBakedTextureIndex baked_index) const;
	LLViewerTexLayerSet* getLayerSet(LLAvatarAppearanceDefines::ETextureIndex index) const;

	
	//--------------------------------------------------------------------
	// Composites
	//--------------------------------------------------------------------
public:
	/* virtual */ void	invalidateComposite(LLTexLayerSet* layerset);
	/* virtual */ void	invalidateAll();
	/* virtual */ void	setCompositeUpdatesEnabled(bool b); // only works for self
	/* virtual */ void  setCompositeUpdatesEnabled(U32 index, bool b);
	/* virtual */ bool 	isCompositeUpdateEnabled(U32 index);
	void				setupComposites();
	void				updateComposites();

	const LLUUID&		grabBakedTexture(LLAvatarAppearanceDefines::EBakedTextureIndex baked_index) const;
	BOOL				canGrabBakedTexture(LLAvatarAppearanceDefines::EBakedTextureIndex baked_index) const;


	//--------------------------------------------------------------------
	// Scratch textures (used for compositing)
	//--------------------------------------------------------------------
public:
	static void		deleteScratchTextures();
private:
	static S32Bytes sScratchTexBytes;
	static std::map< LLGLenum, LLGLuint*> sScratchTexNames;

/**                    Textures
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    MESHES
 **/
protected:
	/*virtual*/ void   restoreMeshData();

/**                    Meshes
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    WEARABLES
 **/

public:
	void				wearableUpdated(LLWearableType::EType type);
protected:
	U32 getNumWearables(LLAvatarAppearanceDefines::ETextureIndex i) const;

	//--------------------------------------------------------------------
	// Attachments
	//--------------------------------------------------------------------
public:
	void 				updateAttachmentVisibility(U32 camera_mode);
	BOOL 				isWearingAttachment(const LLUUID& inv_item_id) const;
	LLViewerObject* 	getWornAttachment(const LLUUID& inv_item_id);
	bool				getAttachedPointName(const LLUUID& inv_item_id, std::string& name) const;
	/*virtual*/ const LLViewerJointAttachment *attachObject(LLViewerObject *viewer_object);
	/*virtual*/ BOOL 	detachObject(LLViewerObject *viewer_object);
	static BOOL			detachAttachmentIntoInventory(const LLUUID& item_id);

	//--------------------------------------------------------------------
	// HUDs
	//--------------------------------------------------------------------
private:
	LLViewerJoint* 		mScreenp; // special purpose joint for HUD attachments
	
/**                    Attachments
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    APPEARANCE
 **/

public:
	static void		onCustomizeStart(bool disable_camera_switch = false);
	static void		onCustomizeEnd(bool disable_camera_switch = false);
	LLPointer<LLInventoryCallback> mEndCustomizeCallback;

	//--------------------------------------------------------------------
	// Visibility
	//--------------------------------------------------------------------
public:
	bool			sendAppearanceMessage(LLMessageSystem *mesgsys) const;

	// -- care and feeding of hover height.
	void 			setHoverIfRegionEnabled();
	void			sendHoverHeight() const;
	/*virtual*/ void setHoverOffset(const LLVector3& hover_offset, bool send_update=true);

private:
	mutable LLVector3 mLastHoverOffsetSent;

/**                    Appearance
 **                                                                            **
 *******************************************************************************/

/********************************************************************************
 **                                                                            **
 **                    DIAGNOSTICS
 **/

	//--------------------------------------------------------------------
	// General
	//--------------------------------------------------------------------
public:	
	static void		dumpTotalLocalTextureByteCount();
	void			dumpLocalTextures() const;
	static void		dumpScratchTextureByteCount();
	void			dumpWearableInfo(LLAPRFile& outfile);

	//--------------------------------------------------------------------
	// Avatar Rez Metrics
	//--------------------------------------------------------------------
public:	
	struct LLAvatarTexData
	{
		LLAvatarTexData(const LLUUID& id, LLAvatarAppearanceDefines::ETextureIndex index) : 
			mAvatarID(id), 
			mIndex(index) 
		{}
		LLUUID			mAvatarID;
		LLAvatarAppearanceDefines::ETextureIndex	mIndex;
	};

	LLTimer					mTimeSinceLastRezMessage;
	bool					updateAvatarRezMetrics(bool force_send);

	std::vector<LLSD>		mPendingTimerRecords;
	void 					addMetricsTimerRecord(const LLSD& record);
	
	void 					debugWearablesLoaded() { mDebugTimeWearablesLoaded = mDebugSelfLoadTimer.getElapsedTimeF32(); }
	void 					debugAvatarVisible() { mDebugTimeAvatarVisible = mDebugSelfLoadTimer.getElapsedTimeF32(); }
	void 					outputRezDiagnostics() const;
	void					outputRezTiming(const std::string& msg) const;
	void					reportAvatarRezTime() const;
	void 					debugBakedTextureUpload(LLAvatarAppearanceDefines::EBakedTextureIndex index, BOOL finished);
	static void				debugOnTimingLocalTexLoaded(BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);

	BOOL					isAllLocalTextureDataFinal() const;

	const LLViewerTexLayerSet*	debugGetLayerSet(LLAvatarAppearanceDefines::EBakedTextureIndex index) const { return (LLViewerTexLayerSet*)(mBakedTextureDatas[index].mTexLayerSet); }
	const std::string		verboseDebugDumpLocalTextureDataInfo(const LLViewerTexLayerSet* layerset) const; // Lists out state of this particular baked texture layer
	void					dumpAllTextures() const;
	const std::string		debugDumpLocalTextureDataInfo(const LLViewerTexLayerSet* layerset) const; // Lists out state of this particular baked texture layer
	const std::string		debugDumpAllLocalTextureDataInfo() const; // Lists out which baked textures are at highest LOD
	void					sendViewerAppearanceChangeMetrics(); // send data associated with completing a change.
private:
	LLFrameTimer    		mDebugSelfLoadTimer;
	F32						mDebugTimeWearablesLoaded;
	F32 					mDebugTimeAvatarVisible;
	F32 					mDebugTextureLoadTimes[LLAvatarAppearanceDefines::TEX_NUM_INDICES][MAX_DISCARD_LEVEL+1]; // load time for each texture at each discard level
	F32 					mDebugBakedTextureTimes[LLAvatarAppearanceDefines::BAKED_NUM_INDICES][2]; // time to start upload and finish upload of each baked texture
	void					debugTimingLocalTexLoaded(BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);

/**                    Diagnostics
 **                                                                            **
 *******************************************************************************/

};

extern LLPointer<LLVOAvatarSelf> gAgentAvatarp;

BOOL isAgentAvatarValid();

void selfStartPhase(const std::string& phase_name);
void selfStopPhase(const std::string& phase_name, bool err_check = true);
void selfClearPhases();

#endif // LL_VO_AVATARSELF_H
