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/**
* @file llpolymorph.h
* @brief Implementation of LLPolyMesh class
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* 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.
* $/LicenseInfo$
*/
#ifndef LL_LLPOLYMORPH_H
#define LL_LLPOLYMORPH_H
#include <string>
#include <vector>
#include "llviewervisualparam.h"
#include "llskiplist.h"
#include "linked_lists.h"
class LLPolyMeshSharedData;
class LLVOAvatar;
class LLVector2;
class LLViewerJointCollisionVolume;
//-----------------------------------------------------------------------------
// LLPolyMorphData()
//-----------------------------------------------------------------------------
class LLPolyMorphData
{
public:
LLPolyMorphData(char *morph_name);
~LLPolyMorphData();
BOOL loadBinary(FILE* fp, LLPolyMeshSharedData *mesh);
char* loadASCII(char* text, LLPolyMeshSharedData *mesh);
char* getName() { return mName; }
public:
char* mName;
// morphology
U32 mNumIndices;
U32* mVertexIndices;
U32 mCurrentIndex;
LLVector3* mCoords;
LLVector3* mNormals;
LLVector3* mBinormals;
LLVector2* mTexCoords;
F32 mTotalDistortion; // vertex distortion summed over entire morph
F32 mMaxDistortion; // maximum single vertex distortion in a given morph
LLVector3 mAvgDistortion; // average vertex distortion, to infer directionality of the morph
LLPolyMeshSharedData* mMesh;
};
//-----------------------------------------------------------------------------
// LLPolyVertexMask()
//-----------------------------------------------------------------------------
class LLPolyVertexMask
{
public:
LLPolyVertexMask(LLPolyMorphData* morph_data);
~LLPolyVertexMask();
void generateMask(U8 *maskData, S32 width, S32 height, S32 num_components, BOOL invert, LLVector4 *clothing_weights);
F32* getMorphMaskWeights();
protected:
F32* mWeights;
LLPolyMorphData *mMorphData;
BOOL mWeightsGenerated;
};
//-----------------------------------------------------------------------------
// LLPolyMorphTarget Data structs
//-----------------------------------------------------------------------------
struct LLPolyVolumeMorphInfo
{
LLPolyVolumeMorphInfo(LLString &name, LLVector3 &scale, LLVector3 &pos)
: mName(name), mScale(scale), mPos(pos) {};
LLString mName;
LLVector3 mScale;
LLVector3 mPos;
};
struct LLPolyVolumeMorph
{
LLPolyVolumeMorph(LLViewerJointCollisionVolume* volume, LLVector3 scale, LLVector3 pos)
: mVolume(volume), mScale(scale), mPos(pos) {};
LLViewerJointCollisionVolume* mVolume;
LLVector3 mScale;
LLVector3 mPos;
};
//-----------------------------------------------------------------------------
// LLPolyMorphTargetInfo
// Shared information for LLPolyMorphTargets
//-----------------------------------------------------------------------------
class LLPolyMorphTargetInfo : public LLViewerVisualParamInfo
{
friend class LLPolyMorphTarget;
public:
LLPolyMorphTargetInfo();
/*virtual*/ ~LLPolyMorphTargetInfo() {};
/*virtual*/ BOOL parseXml(LLXmlTreeNode* node);
protected:
LLString mMorphName;
BOOL mIsClothingMorph;
typedef std::vector<LLPolyVolumeMorphInfo> volume_info_list_t;
volume_info_list_t mVolumeInfoList;
};
//-----------------------------------------------------------------------------
// LLPolyMorphTarget
// A set of vertex data associated with morph target.
// These morph targets must be topologically consistent with a given Polymesh
// (share face sets)
//-----------------------------------------------------------------------------
class LLPolyMorphTarget : public LLViewerVisualParam
{
public:
LLPolyMorphTarget(LLPolyMesh *poly_mesh);
~LLPolyMorphTarget();
// Special: These functions are overridden by child classes
LLPolyMorphTargetInfo* getInfo() const { return (LLPolyMorphTargetInfo*)mInfo; }
// This sets mInfo and calls initialization functions
BOOL setInfo(LLPolyMorphTargetInfo *info);
// LLVisualParam Virtual functions
///*virtual*/ BOOL parseData(LLXmlTreeNode* node);
/*virtual*/ void apply( ESex sex );
// LLViewerVisualParam Virtual functions
/*virtual*/ F32 getTotalDistortion();
/*virtual*/ const LLVector3& getAvgDistortion();
/*virtual*/ F32 getMaxDistortion();
/*virtual*/ LLVector3 getVertexDistortion(S32 index, LLPolyMesh *poly_mesh);
/*virtual*/ const LLVector3* getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh);
/*virtual*/ const LLVector3* getNextDistortion(U32 *index, LLPolyMesh **poly_mesh);
void applyMask(U8 *maskData, S32 width, S32 height, S32 num_components, BOOL invert);
void addPendingMorphMask() { mNumMorphMasksPending++; }
protected:
LLPolyMorphData* mMorphData;
LLPolyMesh* mMesh;
LLPolyVertexMask * mVertMask;
ESex mLastSex;
// number of morph masks that haven't been generated, must be 0 before this morph is applied
BOOL mNumMorphMasksPending;
typedef std::vector<LLPolyVolumeMorph> volume_list_t;
volume_list_t mVolumeMorphs;
};
#endif // LL_LLPOLYMORPH_H
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