1039 lines
32 KiB
C++
1039 lines
32 KiB
C++
/**
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* @file llpolymorph.cpp
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* @brief Implementation of LLPolyMesh class
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*
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* $LicenseInfo:firstyear=2001&license=viewergpl$
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*
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* Copyright (c) 2001-2009, Linden Research, Inc.
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*
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* Second Life Viewer Source Code
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* The source code in this file ("Source Code") is provided by Linden Lab
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* to you under the terms of the GNU General Public License, version 2.0
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* ("GPL"), unless you have obtained a separate licensing agreement
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* ("Other License"), formally executed by you and Linden Lab. Terms of
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* the GPL can be found in doc/GPL-license.txt in this distribution, or
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* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
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*
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* There are special exceptions to the terms and conditions of the GPL as
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* it is applied to this Source Code. View the full text of the exception
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* in the file doc/FLOSS-exception.txt in this software distribution, or
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* online at
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* http://secondlifegrid.net/programs/open_source/licensing/flossexception
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*
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* By copying, modifying or distributing this software, you acknowledge
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* that you have read and understood your obligations described above,
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* and agree to abide by those obligations.
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*
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* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
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* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
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* COMPLETENESS OR PERFORMANCE.
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* $/LicenseInfo$
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*/
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//-----------------------------------------------------------------------------
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// Header Files
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//-----------------------------------------------------------------------------
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#include "llviewerprecompiledheaders.h"
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#include "llpolymorph.h"
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#include "llvoavatar.h"
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#include "llxmltree.h"
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#include "llendianswizzle.h"
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//#include "../tools/imdebug/imdebug.h"
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const F32 NORMAL_SOFTEN_FACTOR = 0.65f;
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const F32 SIGNIFICANT_DELTA = 0.0001f;
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//-----------------------------------------------------------------------------
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// LLPolyMorphData()
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//-----------------------------------------------------------------------------
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LLPolyMorphData::LLPolyMorphData(const std::string& morph_name)
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: mName(morph_name)
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{
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mNumIndices = 0;
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mCurrentIndex = 0;
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mTotalDistortion = 0.f;
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mAvgDistortion.zeroVec();
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mMaxDistortion = 0.f;
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mVertexIndices = NULL;
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mCoords = NULL;
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mNormals = NULL;
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mBinormals = NULL;
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mTexCoords = NULL;
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mMesh = NULL;
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}
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LLPolyMorphData::LLPolyMorphData(const LLPolyMorphData &rhs) :
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mName(rhs.mName),
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mNumIndices(rhs.mNumIndices),
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mTotalDistortion(rhs.mTotalDistortion),
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mAvgDistortion(rhs.mAvgDistortion),
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mMaxDistortion(rhs.mMaxDistortion),
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mVertexIndices(NULL),
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mCoords(NULL),
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mNormals(NULL),
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mBinormals(NULL),
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mTexCoords(NULL)
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{
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const S32 numVertices = mNumIndices;
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mCoords = new LLVector3[numVertices];
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mNormals = new LLVector3[numVertices];
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mBinormals = new LLVector3[numVertices];
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mTexCoords = new LLVector2[numVertices];
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mVertexIndices = new U32[numVertices];
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for (S32 v=0; v < numVertices; v++)
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{
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mCoords[v] = rhs.mCoords[v];
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mNormals[v] = rhs.mNormals[v];
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mBinormals[v] = rhs.mBinormals[v];
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mTexCoords[v] = rhs.mTexCoords[v];
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mVertexIndices[v] = rhs.mVertexIndices[v];
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}
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}
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//-----------------------------------------------------------------------------
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// ~LLPolyMorphData()
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//-----------------------------------------------------------------------------
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LLPolyMorphData::~LLPolyMorphData()
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{
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delete [] mVertexIndices;
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delete [] mCoords;
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delete [] mNormals;
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delete [] mBinormals;
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delete [] mTexCoords;
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}
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//-----------------------------------------------------------------------------
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// loadBinary()
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//-----------------------------------------------------------------------------
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BOOL LLPolyMorphData::loadBinary(LLFILE *fp, LLPolyMeshSharedData *mesh)
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{
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S32 numVertices;
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S32 numRead;
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numRead = fread(&numVertices, sizeof(S32), 1, fp);
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llendianswizzle(&numVertices, sizeof(S32), 1);
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if (numRead != 1)
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{
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llwarns << "Can't read number of morph target vertices" << llendl;
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return FALSE;
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}
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//-------------------------------------------------------------------------
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// allocate vertices
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//-------------------------------------------------------------------------
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mCoords = new LLVector3[numVertices];
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mNormals = new LLVector3[numVertices];
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mBinormals = new LLVector3[numVertices];
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mTexCoords = new LLVector2[numVertices];
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// Actually, we are allocating more space than we need for the skiplist
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mVertexIndices = new U32[numVertices];
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mNumIndices = 0;
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mTotalDistortion = 0.f;
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mMaxDistortion = 0.f;
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mAvgDistortion.zeroVec();
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mMesh = mesh;
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//-------------------------------------------------------------------------
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// read vertices
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//-------------------------------------------------------------------------
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for(S32 v = 0; v < numVertices; v++)
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{
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numRead = fread(&mVertexIndices[v], sizeof(U32), 1, fp);
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llendianswizzle(&mVertexIndices[v], sizeof(U32), 1);
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if (numRead != 1)
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{
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llwarns << "Can't read morph target vertex number" << llendl;
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return FALSE;
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}
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if (mVertexIndices[v] > 10000)
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{
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llerrs << "Bad morph index: " << mVertexIndices[v] << llendl;
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}
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numRead = fread(&mCoords[v].mV, sizeof(F32), 3, fp);
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llendianswizzle(&mCoords[v].mV, sizeof(F32), 3);
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if (numRead != 3)
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{
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llwarns << "Can't read morph target vertex coordinates" << llendl;
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return FALSE;
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}
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F32 magnitude = mCoords[v].magVec();
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mTotalDistortion += magnitude;
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mAvgDistortion.mV[VX] += fabs(mCoords[v].mV[VX]);
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mAvgDistortion.mV[VY] += fabs(mCoords[v].mV[VY]);
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mAvgDistortion.mV[VZ] += fabs(mCoords[v].mV[VZ]);
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if (magnitude > mMaxDistortion)
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{
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mMaxDistortion = magnitude;
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}
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numRead = fread(&mNormals[v].mV, sizeof(F32), 3, fp);
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llendianswizzle(&mNormals[v].mV, sizeof(F32), 3);
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if (numRead != 3)
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{
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llwarns << "Can't read morph target normal" << llendl;
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return FALSE;
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}
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numRead = fread(&mBinormals[v].mV, sizeof(F32), 3, fp);
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llendianswizzle(&mBinormals[v].mV, sizeof(F32), 3);
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if (numRead != 3)
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{
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llwarns << "Can't read morph target binormal" << llendl;
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return FALSE;
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}
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numRead = fread(&mTexCoords[v].mV, sizeof(F32), 2, fp);
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llendianswizzle(&mTexCoords[v].mV, sizeof(F32), 2);
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if (numRead != 2)
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{
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llwarns << "Can't read morph target uv" << llendl;
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return FALSE;
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}
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mNumIndices++;
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}
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mAvgDistortion = mAvgDistortion * (1.f/(F32)mNumIndices);
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mAvgDistortion.normVec();
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// LLPolyMesh::saveLLM()
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//-----------------------------------------------------------------------------
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BOOL LLPolyMorphData::saveLLM(LLFILE *fp)
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{
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if (!fp)
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return FALSE;
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S32 numVertices = mNumIndices;
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llendianswizzle(&numVertices, sizeof(S32), 1);
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if (fwrite(&numVertices, sizeof(S32), 1, fp) != 1)
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{
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llwarns << "Short write" << llendl;
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}
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numVertices = mNumIndices; // without the swizzle again
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//-------------------------------------------------------------------------
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// write vertices
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//-------------------------------------------------------------------------
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for(S32 v = 0; v < numVertices; v++)
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{
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llendianswizzle(&mVertexIndices[v], sizeof(U32), 1);
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if (fwrite(&mVertexIndices[v], sizeof(U32), 1, fp) != 1)
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{
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llwarns << "Short write" << llendl;
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}
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llendianswizzle(&mVertexIndices[v], sizeof(U32), 1);
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llendianswizzle(&mCoords[v].mV, sizeof(F32), 3);
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if (fwrite(&mCoords[v].mV, sizeof(F32), 3, fp) != 3)
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{
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llwarns << "Short write" << llendl;
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}
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llendianswizzle(&mCoords[v].mV, sizeof(F32), 3);
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llendianswizzle(&mNormals[v].mV, sizeof(F32), 3);
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if (fwrite(&mNormals[v].mV, sizeof(F32), 3, fp) != 3)
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{
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llwarns << "Short write" << llendl;
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}
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llendianswizzle(&mNormals[v].mV, sizeof(F32), 3);
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llendianswizzle(&mBinormals[v].mV, sizeof(F32), 3);
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if (fwrite(&mBinormals[v].mV, sizeof(F32), 3, fp) != 3)
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{
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llwarns << "Short write" << llendl;
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}
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llendianswizzle(&mBinormals[v].mV, sizeof(F32), 3);
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llendianswizzle(&mTexCoords[v].mV, sizeof(F32), 2);
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if (fwrite(&mTexCoords[v].mV, sizeof(F32), 2, fp) != 2)
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{
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llwarns << "Short write" << llendl;
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}
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llendianswizzle(&mTexCoords[v].mV, sizeof(F32), 2);
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}
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return TRUE;
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}
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//-----------------------------------------------------------------------------
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// saveOBJ()
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//-----------------------------------------------------------------------------
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BOOL LLPolyMorphData::saveOBJ(LLFILE *fp)
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{
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if (!fp)
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return FALSE;
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LLPolyMesh mesh(mMesh, NULL);
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LLVector4 *coords = mesh.getWritableCoords();
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LLVector4 *normals = mesh.getWritableNormals();
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LLVector2 *tex_coords = mesh.getWritableTexCoords();
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for(U32 vert_index_morph = 0; vert_index_morph < mNumIndices; vert_index_morph++)
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{
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S32 vert_index_mesh = mVertexIndices[vert_index_morph];
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coords[vert_index_mesh] += LLVector4(mCoords[vert_index_morph]);
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normals[vert_index_mesh] += LLVector4(mNormals[vert_index_morph]);
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normals[vert_index_mesh].normVec();
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tex_coords[vert_index_mesh] += mTexCoords[vert_index_morph];
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}
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return mesh.saveOBJ(fp);
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}
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//-----------------------------------------------------------------------------
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// setMorphFromMesh()
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//-----------------------------------------------------------------------------
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BOOL LLPolyMorphData::setMorphFromMesh(LLPolyMesh *morph)
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{
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if (!morph)
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return FALSE;
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LLVector4 *morph_coords = morph->getWritableCoords();
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LLVector4 *morph_normals = morph->getWritableNormals();
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LLVector3 *morph_binormals = morph->getWritableBinormals();
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LLVector2 *morph_tex_coords = morph->getWritableTexCoords();
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// We now have the morph loaded as a mesh. We have to subtract the
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// base mesh to get the delta morph.
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LLPolyMesh delta(mMesh, NULL);
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U32 nverts = delta.getNumVertices();
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LLVector4 *delta_coords = delta.getWritableCoords();
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LLVector4 *delta_normals = delta.getWritableNormals();
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LLVector3 *delta_binormals = delta.getWritableBinormals();
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LLVector2 *delta_tex_coords = delta.getWritableTexCoords();
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U32 num_significant = 0;
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U32 vert_index;
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for( vert_index = 0; vert_index < nverts; vert_index++)
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{
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delta_coords[vert_index] = morph_coords[vert_index] - delta_coords[vert_index];
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delta_normals[vert_index] = morph_normals[vert_index] - delta_normals[vert_index];
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delta_binormals[vert_index] = morph_binormals[vert_index] - delta_binormals[vert_index];
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delta_tex_coords[vert_index] = morph_tex_coords[vert_index] - delta_tex_coords[vert_index];
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// For the normals and binormals, we really want the deltas
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// to be perpendicular to the mesh (bi)normals in the plane
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// that contains both the mesh and morph (bi)normals, such
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// that the morph (bi)normals form the hypotenuses of right
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// triangles. Right now, we just compute the difference vector.
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if (delta_coords[vert_index].length() > SIGNIFICANT_DELTA
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|| delta_normals[vert_index].length() > SIGNIFICANT_DELTA
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|| delta_binormals[vert_index].length() > SIGNIFICANT_DELTA
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|| delta_tex_coords[vert_index].length() > SIGNIFICANT_DELTA)
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{
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num_significant++;
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}
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}
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//-------------------------------------------------------------------------
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// compute new morph
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//-------------------------------------------------------------------------
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// If the morph matches the base mesh, we store one vertex to prevent
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// zero length vectors.
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U32 nindices = num_significant;
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if (num_significant == 0)
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nindices = 1;
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LLVector3* new_coords = new LLVector3[nindices];
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LLVector3* new_normals = new LLVector3[nindices];
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LLVector3* new_binormals = new LLVector3[nindices];
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LLVector2* new_tex_coords = new LLVector2[nindices];
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U32* new_vertex_indices = new U32[nindices];
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// We'll set the distortion directly
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mTotalDistortion = 0.f;
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mMaxDistortion = 0.f;
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mAvgDistortion.zeroVec();
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U32 morph_index = 0;
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for( vert_index = 0; vert_index < nverts; vert_index++)
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{
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if (delta_coords[vert_index].length() > SIGNIFICANT_DELTA
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|| delta_normals[vert_index].length() > SIGNIFICANT_DELTA
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|| delta_binormals[vert_index].length() > SIGNIFICANT_DELTA
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|| delta_tex_coords[vert_index].length() > SIGNIFICANT_DELTA
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|| num_significant == 0)
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{
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new_vertex_indices[morph_index] = vert_index;
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new_coords[morph_index] = LLVector3(delta_coords[vert_index]);
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new_normals[morph_index] = LLVector3(delta_normals[vert_index]);
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new_binormals[morph_index] = delta_binormals[vert_index];
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new_tex_coords[morph_index] = delta_tex_coords[vert_index];
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F32 magnitude = new_coords[morph_index].magVec();
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mTotalDistortion += magnitude;
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mAvgDistortion.mV[VX] += fabs(new_coords[morph_index].mV[VX]);
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mAvgDistortion.mV[VY] += fabs(new_coords[morph_index].mV[VY]);
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mAvgDistortion.mV[VZ] += fabs(new_coords[morph_index].mV[VZ]);
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if (magnitude > mMaxDistortion)
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{
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mMaxDistortion = magnitude;
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}
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morph_index++;
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num_significant = 1;
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}
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}
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mAvgDistortion = mAvgDistortion * (1.f/(F32)nindices);
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mAvgDistortion.normVec();
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//-------------------------------------------------------------------------
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// compute the change in the morph
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//-------------------------------------------------------------------------
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// Because meshes are set by continually updating morph weights
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// there is no easy way to reapply the morphs, so we just compute
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// the change in this morph and apply that appropriately weighted.
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for( morph_index = 0; morph_index < mNumIndices; morph_index++)
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{
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vert_index = mVertexIndices[morph_index];
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delta_coords[vert_index] -= LLVector4(mCoords[morph_index]);
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delta_normals[vert_index] -= LLVector4(mNormals[morph_index]);
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delta_binormals[vert_index] -= mBinormals[morph_index];
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delta_tex_coords[vert_index] -= mTexCoords[morph_index];
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}
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//-------------------------------------------------------------------------
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// Update all avatars
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//-------------------------------------------------------------------------
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std::vector< LLCharacter* >::iterator avatar_it;
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for(avatar_it = LLCharacter::sInstances.begin(); avatar_it != LLCharacter::sInstances.end(); ++avatar_it)
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{
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LLVOAvatar* avatarp = (LLVOAvatar*)*avatar_it;
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LLPolyMorphTarget* param = (LLPolyMorphTarget*) avatarp->getVisualParam(mName.c_str());
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if (!param)
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{
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continue;
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}
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F32 weight = param->getLastWeight();
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if (weight == 0.0f)
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{
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continue;
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}
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LLPolyMesh* mesh = avatarp->getMesh(mMesh);
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if (!mesh)
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{
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continue;
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}
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// If we have a vertex mask, just remove it. It will be recreated.
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if (param->undoMask(TRUE))
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{
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continue;
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}
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LLVector4 *mesh_coords = mesh->getWritableCoords();
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LLVector4 *mesh_normals = mesh->getWritableNormals();
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LLVector3 *mesh_binormals = mesh->getWritableBinormals();
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LLVector2 *mesh_tex_coords = mesh->getWritableTexCoords();
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LLVector3 *mesh_scaled_normals = mesh->getScaledNormals();
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LLVector3 *mesh_scaled_binormals = mesh->getScaledBinormals();
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for( vert_index = 0; vert_index < nverts; vert_index++)
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{
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mesh_coords[vert_index] += delta_coords[vert_index] * weight;
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mesh_tex_coords[vert_index] += delta_tex_coords[vert_index] * weight;
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mesh_scaled_normals[vert_index] += LLVector3(delta_normals[vert_index] * weight * NORMAL_SOFTEN_FACTOR);
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LLVector3 normalized_normal = mesh_scaled_normals[vert_index];
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normalized_normal.normVec();
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mesh_normals[vert_index] = LLVector4(normalized_normal);
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mesh_scaled_binormals[vert_index] += delta_binormals[vert_index] * weight * NORMAL_SOFTEN_FACTOR;
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LLVector3 tangent = mesh_scaled_binormals[vert_index] % normalized_normal;
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LLVector3 normalized_binormal = normalized_normal % tangent;
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normalized_binormal.normVec();
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mesh_binormals[vert_index] = normalized_binormal;
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}
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avatarp->dirtyMesh();
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|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
// reallocate vertices
|
|
//-------------------------------------------------------------------------
|
|
delete [] mVertexIndices;
|
|
delete [] mCoords;
|
|
delete [] mNormals;
|
|
delete [] mBinormals;
|
|
delete [] mTexCoords;
|
|
|
|
mVertexIndices = new_vertex_indices;
|
|
mCoords = new_coords;
|
|
mNormals = new_normals;
|
|
mBinormals = new_binormals;
|
|
mTexCoords = new_tex_coords;
|
|
mNumIndices = nindices;
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// LLPolyMorphTargetInfo()
|
|
//-----------------------------------------------------------------------------
|
|
LLPolyMorphTargetInfo::LLPolyMorphTargetInfo()
|
|
: mIsClothingMorph(FALSE)
|
|
{
|
|
}
|
|
|
|
BOOL LLPolyMorphTargetInfo::parseXml(LLXmlTreeNode* node)
|
|
{
|
|
llassert( node->hasName( "param" ) && node->getChildByName( "param_morph" ) );
|
|
|
|
if (!LLViewerVisualParamInfo::parseXml(node))
|
|
return FALSE;
|
|
|
|
// Get mixed-case name
|
|
static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
|
|
if( !node->getFastAttributeString( name_string, mMorphName ) )
|
|
{
|
|
llwarns << "Avatar file: <param> is missing name attribute" << llendl;
|
|
return FALSE; // Continue, ignoring this tag
|
|
}
|
|
|
|
static LLStdStringHandle clothing_morph_string = LLXmlTree::addAttributeString("clothing_morph");
|
|
node->getFastAttributeBOOL(clothing_morph_string, mIsClothingMorph);
|
|
|
|
LLXmlTreeNode *paramNode = node->getChildByName("param_morph");
|
|
|
|
if (NULL == paramNode)
|
|
{
|
|
llwarns << "Failed to getChildByName(\"param_morph\")"
|
|
<< llendl;
|
|
return FALSE;
|
|
}
|
|
|
|
for (LLXmlTreeNode* child_node = paramNode->getFirstChild();
|
|
child_node;
|
|
child_node = paramNode->getNextChild())
|
|
{
|
|
static LLStdStringHandle name_string = LLXmlTree::addAttributeString("name");
|
|
if (child_node->hasName("volume_morph"))
|
|
{
|
|
std::string volume_name;
|
|
if (child_node->getFastAttributeString(name_string, volume_name))
|
|
{
|
|
LLVector3 scale;
|
|
static LLStdStringHandle scale_string = LLXmlTree::addAttributeString("scale");
|
|
child_node->getFastAttributeVector3(scale_string, scale);
|
|
|
|
LLVector3 pos;
|
|
static LLStdStringHandle pos_string = LLXmlTree::addAttributeString("pos");
|
|
child_node->getFastAttributeVector3(pos_string, pos);
|
|
|
|
mVolumeInfoList.push_back(LLPolyVolumeMorphInfo(volume_name,scale,pos));
|
|
}
|
|
}
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// LLPolyMorphTarget()
|
|
//-----------------------------------------------------------------------------
|
|
LLPolyMorphTarget::LLPolyMorphTarget(LLPolyMesh *poly_mesh)
|
|
: mMorphData(NULL), mMesh(poly_mesh),
|
|
mVertMask(NULL),
|
|
mLastSex(SEX_FEMALE),
|
|
mNumMorphMasksPending(0)
|
|
{
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// ~LLPolyMorphTarget()
|
|
//-----------------------------------------------------------------------------
|
|
LLPolyMorphTarget::~LLPolyMorphTarget()
|
|
{
|
|
if (mVertMask)
|
|
{
|
|
delete mVertMask;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// setInfo()
|
|
//-----------------------------------------------------------------------------
|
|
BOOL LLPolyMorphTarget::setInfo(LLPolyMorphTargetInfo* info)
|
|
{
|
|
llassert(mInfo == NULL);
|
|
if (info->mID < 0)
|
|
return FALSE;
|
|
mInfo = info;
|
|
mID = info->mID;
|
|
setWeight(getDefaultWeight(), FALSE );
|
|
|
|
LLVOAvatar* avatarp = mMesh->getAvatar();
|
|
LLPolyMorphTargetInfo::volume_info_list_t::iterator iter;
|
|
for (iter = getInfo()->mVolumeInfoList.begin(); iter != getInfo()->mVolumeInfoList.end(); iter++)
|
|
{
|
|
LLPolyVolumeMorphInfo *volume_info = &(*iter);
|
|
for (S32 i = 0; i < avatarp->mNumCollisionVolumes; i++)
|
|
{
|
|
if (avatarp->mCollisionVolumes[i].getName() == volume_info->mName)
|
|
{
|
|
mVolumeMorphs.push_back(LLPolyVolumeMorph(&avatarp->mCollisionVolumes[i],
|
|
volume_info->mScale,
|
|
volume_info->mPos));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
std::string morph_param_name = getInfo()->mMorphName;
|
|
|
|
mMorphData = mMesh->getMorphData(morph_param_name);
|
|
if (!mMorphData)
|
|
{
|
|
const std::string driven_tag = "_Driven";
|
|
U32 pos = morph_param_name.find(driven_tag);
|
|
if (pos > 0)
|
|
{
|
|
morph_param_name = morph_param_name.substr(0,pos);
|
|
mMorphData = mMesh->getMorphData(morph_param_name);
|
|
}
|
|
}
|
|
if (!mMorphData)
|
|
{
|
|
llwarns << "No morph target named " << morph_param_name << " found in mesh." << llendl;
|
|
return FALSE; // Continue, ignoring this tag
|
|
}
|
|
return TRUE;
|
|
}
|
|
|
|
#if 0 // obsolete
|
|
//-----------------------------------------------------------------------------
|
|
// parseData()
|
|
//-----------------------------------------------------------------------------
|
|
BOOL LLPolyMorphTarget::parseData(LLXmlTreeNode* node)
|
|
{
|
|
LLPolyMorphTargetInfo* info = new LLPolyMorphTargetInfo;
|
|
|
|
info->parseXml(node);
|
|
if (!setInfo(info))
|
|
{
|
|
delete info;
|
|
return FALSE;
|
|
}
|
|
return TRUE;
|
|
}
|
|
#endif
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// getVertexDistortion()
|
|
//-----------------------------------------------------------------------------
|
|
LLVector3 LLPolyMorphTarget::getVertexDistortion(S32 requested_index, LLPolyMesh *mesh)
|
|
{
|
|
if (!mMorphData || mMesh != mesh) return LLVector3::zero;
|
|
|
|
for(U32 index = 0; index < mMorphData->mNumIndices; index++)
|
|
{
|
|
if (mMorphData->mVertexIndices[index] == (U32)requested_index)
|
|
{
|
|
return mMorphData->mCoords[index];
|
|
}
|
|
}
|
|
|
|
return LLVector3::zero;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// getFirstDistortion()
|
|
//-----------------------------------------------------------------------------
|
|
const LLVector3 *LLPolyMorphTarget::getFirstDistortion(U32 *index, LLPolyMesh **poly_mesh)
|
|
{
|
|
if (!mMorphData) return &LLVector3::zero;
|
|
|
|
LLVector3* resultVec;
|
|
mMorphData->mCurrentIndex = 0;
|
|
if (mMorphData->mNumIndices)
|
|
{
|
|
resultVec = &mMorphData->mCoords[mMorphData->mCurrentIndex];
|
|
if (index != NULL)
|
|
{
|
|
*index = mMorphData->mVertexIndices[mMorphData->mCurrentIndex];
|
|
}
|
|
if (poly_mesh != NULL)
|
|
{
|
|
*poly_mesh = mMesh;
|
|
}
|
|
|
|
return resultVec;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// getNextDistortion()
|
|
//-----------------------------------------------------------------------------
|
|
const LLVector3 *LLPolyMorphTarget::getNextDistortion(U32 *index, LLPolyMesh **poly_mesh)
|
|
{
|
|
if (!mMorphData) return &LLVector3::zero;
|
|
|
|
LLVector3* resultVec;
|
|
mMorphData->mCurrentIndex++;
|
|
if (mMorphData->mCurrentIndex < mMorphData->mNumIndices)
|
|
{
|
|
resultVec = &mMorphData->mCoords[mMorphData->mCurrentIndex];
|
|
if (index != NULL)
|
|
{
|
|
*index = mMorphData->mVertexIndices[mMorphData->mCurrentIndex];
|
|
}
|
|
if (poly_mesh != NULL)
|
|
{
|
|
*poly_mesh = mMesh;
|
|
}
|
|
return resultVec;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// getTotalDistortion()
|
|
//-----------------------------------------------------------------------------
|
|
F32 LLPolyMorphTarget::getTotalDistortion()
|
|
{
|
|
if (mMorphData)
|
|
{
|
|
return mMorphData->mTotalDistortion;
|
|
}
|
|
else
|
|
{
|
|
return 0.f;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// getAvgDistortion()
|
|
//-----------------------------------------------------------------------------
|
|
const LLVector3& LLPolyMorphTarget::getAvgDistortion()
|
|
{
|
|
if (mMorphData)
|
|
{
|
|
return mMorphData->mAvgDistortion;
|
|
}
|
|
else
|
|
{
|
|
return LLVector3::zero;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// getMaxDistortion()
|
|
//-----------------------------------------------------------------------------
|
|
F32 LLPolyMorphTarget::getMaxDistortion()
|
|
{
|
|
if (mMorphData)
|
|
{
|
|
return mMorphData->mMaxDistortion;
|
|
}
|
|
else
|
|
{
|
|
return 0.f;
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// apply()
|
|
//-----------------------------------------------------------------------------
|
|
void LLPolyMorphTarget::apply( ESex avatar_sex )
|
|
{
|
|
if (!mMorphData || mNumMorphMasksPending > 0)
|
|
{
|
|
return;
|
|
}
|
|
|
|
mLastSex = avatar_sex;
|
|
|
|
// Check for NaN condition (NaN is detected if a variable doesn't equal itself.
|
|
if (mCurWeight != mCurWeight)
|
|
{
|
|
mCurWeight = 0.0;
|
|
}
|
|
if (mLastWeight != mLastWeight)
|
|
{
|
|
mLastWeight = mCurWeight+.001;
|
|
}
|
|
|
|
// perform differential update of morph
|
|
F32 delta_weight = ( getSex() & avatar_sex ) ? (mCurWeight - mLastWeight) : (getDefaultWeight() - mLastWeight);
|
|
// store last weight
|
|
mLastWeight += delta_weight;
|
|
|
|
if (delta_weight != 0.f)
|
|
{
|
|
llassert(!mMesh->isLOD());
|
|
LLVector4 *coords = mMesh->getWritableCoords();
|
|
|
|
LLVector3 *scaled_normals = mMesh->getScaledNormals();
|
|
LLVector4 *normals = mMesh->getWritableNormals();
|
|
|
|
LLVector3 *scaled_binormals = mMesh->getScaledBinormals();
|
|
LLVector3 *binormals = mMesh->getWritableBinormals();
|
|
|
|
LLVector4 *clothing_weights = mMesh->getWritableClothingWeights();
|
|
LLVector2 *tex_coords = mMesh->getWritableTexCoords();
|
|
|
|
F32 *maskWeightArray = (mVertMask) ? mVertMask->getMorphMaskWeights() : NULL;
|
|
|
|
for(U32 vert_index_morph = 0; vert_index_morph < mMorphData->mNumIndices; vert_index_morph++)
|
|
{
|
|
S32 vert_index_mesh = mMorphData->mVertexIndices[vert_index_morph];
|
|
|
|
F32 maskWeight = 1.f;
|
|
if (maskWeightArray)
|
|
{
|
|
maskWeight = maskWeightArray[vert_index_morph];
|
|
}
|
|
|
|
coords[vert_index_mesh] += LLVector4(mMorphData->mCoords[vert_index_morph] * delta_weight * maskWeight);
|
|
|
|
if (getInfo()->mIsClothingMorph && clothing_weights)
|
|
{
|
|
LLVector3 clothing_offset = mMorphData->mCoords[vert_index_morph] * delta_weight * maskWeight;
|
|
LLVector4* clothing_weight = &clothing_weights[vert_index_mesh];
|
|
clothing_weight->mV[VX] += clothing_offset.mV[VX];
|
|
clothing_weight->mV[VY] += clothing_offset.mV[VY];
|
|
clothing_weight->mV[VZ] += clothing_offset.mV[VZ];
|
|
clothing_weight->mV[VW] = maskWeight;
|
|
}
|
|
|
|
// calculate new normals based on half angles
|
|
scaled_normals[vert_index_mesh] += mMorphData->mNormals[vert_index_morph] * delta_weight * maskWeight * NORMAL_SOFTEN_FACTOR;
|
|
LLVector3 normalized_normal = scaled_normals[vert_index_mesh];
|
|
normalized_normal.normVec();
|
|
normals[vert_index_mesh] = LLVector4(normalized_normal);
|
|
|
|
// calculate new binormals
|
|
scaled_binormals[vert_index_mesh] += mMorphData->mBinormals[vert_index_morph] * delta_weight * maskWeight * NORMAL_SOFTEN_FACTOR;
|
|
LLVector3 tangent = scaled_binormals[vert_index_mesh] % normalized_normal;
|
|
LLVector3 normalized_binormal = normalized_normal % tangent;
|
|
normalized_binormal.normVec();
|
|
binormals[vert_index_mesh] = normalized_binormal;
|
|
|
|
tex_coords[vert_index_mesh] += mMorphData->mTexCoords[vert_index_morph] * delta_weight * maskWeight;
|
|
}
|
|
|
|
// now apply volume changes
|
|
for( volume_list_t::iterator iter = mVolumeMorphs.begin(); iter != mVolumeMorphs.end(); iter++ )
|
|
{
|
|
LLPolyVolumeMorph* volume_morph = &(*iter);
|
|
LLVector3 scale_delta = volume_morph->mScale * delta_weight;
|
|
LLVector3 pos_delta = volume_morph->mPos * delta_weight;
|
|
|
|
volume_morph->mVolume->setScale(volume_morph->mVolume->getScale() + scale_delta);
|
|
volume_morph->mVolume->setPosition(volume_morph->mVolume->getPosition() + pos_delta);
|
|
}
|
|
}
|
|
|
|
if (mNext)
|
|
{
|
|
mNext->apply(avatar_sex);
|
|
}
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// applyMask()
|
|
//-----------------------------------------------------------------------------
|
|
void LLPolyMorphTarget::applyMask(U8 *maskTextureData, S32 width, S32 height, S32 num_components, BOOL invert)
|
|
{
|
|
LLVector4 *clothing_weights = getInfo()->mIsClothingMorph ? mMesh->getWritableClothingWeights() : NULL;
|
|
|
|
if (!mVertMask)
|
|
{
|
|
mVertMask = new LLPolyVertexMask(mMorphData);
|
|
mNumMorphMasksPending--;
|
|
}
|
|
else
|
|
{
|
|
// remove effect of previous mask
|
|
undoMask(FALSE);
|
|
}
|
|
|
|
mLastWeight = 0.f;
|
|
|
|
mVertMask->generateMask(maskTextureData, width, height, num_components, invert, clothing_weights);
|
|
|
|
apply(mLastSex);
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// undoMask()
|
|
//-----------------------------------------------------------------------------
|
|
BOOL LLPolyMorphTarget::undoMask(BOOL delete_mask)
|
|
{
|
|
if (!mVertMask)
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
// remove effect of previous mask
|
|
|
|
LLVector4 *clothing_weights = getInfo()->mIsClothingMorph ? mMesh->getWritableClothingWeights() : NULL;
|
|
|
|
F32 *mask_weights = mVertMask->getMorphMaskWeights();
|
|
|
|
LLVector4 *coords = mMesh->getWritableCoords();
|
|
LLVector3 *scaled_normals = mMesh->getScaledNormals();
|
|
LLVector3 *scaled_binormals = mMesh->getScaledBinormals();
|
|
LLVector2 *tex_coords = mMesh->getWritableTexCoords();
|
|
|
|
for(U32 vert = 0; vert < mMorphData->mNumIndices; vert++)
|
|
{
|
|
F32 mask_weight = 1.f;
|
|
if (mask_weights)
|
|
{
|
|
mask_weight = mask_weights[vert];
|
|
}
|
|
|
|
F32 lastMaskWeight = mLastWeight * mask_weights[vert];
|
|
S32 out_vert = mMorphData->mVertexIndices[vert];
|
|
|
|
// remove effect of existing masked morph
|
|
coords[out_vert] -= LLVector4(mMorphData->mCoords[vert]) * lastMaskWeight;
|
|
scaled_normals[out_vert] -= mMorphData->mNormals[vert] * lastMaskWeight * NORMAL_SOFTEN_FACTOR;
|
|
scaled_binormals[out_vert] -= mMorphData->mBinormals[vert] * lastMaskWeight * NORMAL_SOFTEN_FACTOR;
|
|
tex_coords[out_vert] -= mMorphData->mTexCoords[vert] * lastMaskWeight;
|
|
|
|
if (clothing_weights)
|
|
{
|
|
LLVector3 clothing_offset = mMorphData->mCoords[vert] * lastMaskWeight;
|
|
LLVector4* clothing_weight = &clothing_weights[out_vert];
|
|
clothing_weight->mV[VX] -= clothing_offset.mV[VX];
|
|
clothing_weight->mV[VY] -= clothing_offset.mV[VY];
|
|
clothing_weight->mV[VZ] -= clothing_offset.mV[VZ];
|
|
}
|
|
}
|
|
|
|
// set last weight to 0, since we've removed the effect of this morph
|
|
mLastWeight = 0.f;
|
|
|
|
if (delete_mask)
|
|
{
|
|
delete mVertMask;
|
|
mVertMask = NULL;
|
|
addPendingMorphMask();
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// LLPolyVertexMask()
|
|
//-----------------------------------------------------------------------------
|
|
LLPolyVertexMask::LLPolyVertexMask(LLPolyMorphData* morph_data)
|
|
{
|
|
mWeights = new F32[morph_data->mNumIndices];
|
|
mMorphData = morph_data;
|
|
mWeightsGenerated = FALSE;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// ~LLPolyVertexMask()
|
|
//-----------------------------------------------------------------------------
|
|
LLPolyVertexMask::~LLPolyVertexMask()
|
|
{
|
|
delete[] mWeights;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// generateMask()
|
|
//-----------------------------------------------------------------------------
|
|
void LLPolyVertexMask::generateMask(U8 *maskTextureData, S32 width, S32 height, S32 num_components, BOOL invert, LLVector4 *clothing_weights)
|
|
{
|
|
// RN debug output that uses Image Debugger (http://www.cs.unc.edu/~baxter/projects/imdebug/)
|
|
// BOOL debugImg = FALSE;
|
|
// if (debugImg)
|
|
// {
|
|
// if (invert)
|
|
// {
|
|
// imdebug("lum rbga=rgba b=8 w=%d h=%d *-1 %p", width, height, maskTextureData);
|
|
// }
|
|
// else
|
|
// {
|
|
// imdebug("lum rbga=rgba b=8 w=%d h=%d %p", width, height, maskTextureData);
|
|
// }
|
|
// }
|
|
for (U32 index = 0; index < mMorphData->mNumIndices; index++)
|
|
{
|
|
S32 vertIndex = mMorphData->mVertexIndices[index];
|
|
const S32 *sharedVertIndex = mMorphData->mMesh->getSharedVert(vertIndex);
|
|
LLVector2 uvCoords;
|
|
|
|
if (sharedVertIndex)
|
|
{
|
|
uvCoords = mMorphData->mMesh->getUVs(*sharedVertIndex);
|
|
}
|
|
else
|
|
{
|
|
uvCoords = mMorphData->mMesh->getUVs(vertIndex);
|
|
}
|
|
U32 s = llclamp((U32)(uvCoords.mV[VX] * (F32)(width - 1)), (U32)0, (U32)width - 1);
|
|
U32 t = llclamp((U32)(uvCoords.mV[VY] * (F32)(height - 1)), (U32)0, (U32)height - 1);
|
|
|
|
mWeights[index] = ((F32) maskTextureData[((t * width + s) * num_components) + (num_components - 1)]) / 255.f;
|
|
|
|
if (invert)
|
|
{
|
|
mWeights[index] = 1.f - mWeights[index];
|
|
}
|
|
|
|
// now apply step function
|
|
// mWeights[index] = mWeights[index] > 0.95f ? 1.f : 0.f;
|
|
|
|
if (clothing_weights)
|
|
{
|
|
clothing_weights[vertIndex].mV[VW] = mWeights[index];
|
|
}
|
|
}
|
|
mWeightsGenerated = TRUE;
|
|
}
|
|
|
|
//-----------------------------------------------------------------------------
|
|
// getMaskForMorphIndex()
|
|
//-----------------------------------------------------------------------------
|
|
F32* LLPolyVertexMask::getMorphMaskWeights()
|
|
{
|
|
if (!mWeightsGenerated)
|
|
{
|
|
return NULL;
|
|
}
|
|
|
|
return mWeights;
|
|
}
|