llbvhloader.cpp
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上传日期:2021-03-01
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- /**
- * @file llbvhloader.cpp
- * @brief Translates a BVH files to LindenLabAnimation format.
- *
- * $LicenseInfo:firstyear=2004&license=viewergpl$
- *
- * Copyright (c) 2004-2010, 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://secondlifegrid.net/programs/open_source/licensing/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://secondlifegrid.net/programs/open_source/licensing/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.
- * $/LicenseInfo$
- */
- #include "linden_common.h"
- #include "llbvhloader.h"
- #include <boost/tokenizer.hpp>
- #include "lldatapacker.h"
- #include "lldir.h"
- #include "llkeyframemotion.h"
- #include "llquantize.h"
- #include "llstl.h"
- #include "llapr.h"
- using namespace std;
- #define INCHES_TO_METERS 0.02540005f
- const F32 POSITION_KEYFRAME_THRESHOLD = 0.03f;
- const F32 ROTATION_KEYFRAME_THRESHOLD = 0.01f;
- const F32 POSITION_MOTION_THRESHOLD = 0.001f;
- const F32 ROTATION_MOTION_THRESHOLD = 0.001f;
- char gInFile[1024]; /* Flawfinder: ignore */
- char gOutFile[1024]; /* Flawfinder: ignore */
- /*
- //------------------------------------------------------------------------
- // Status Codes
- //------------------------------------------------------------------------
- const char *LLBVHLoader::ST_OK = "Ok";
- const char *LLBVHLoader::ST_EOF = "Premature end of file.";
- const char *LLBVHLoader::ST_NO_CONSTRAINT = "Can't read constraint definition.";
- const char *LLBVHLoader::ST_NO_FILE = "Can't open BVH file.";
- const char *LLBVHLoader::ST_NO_HIER = "Invalid HIERARCHY header.";
- const char *LLBVHLoader::ST_NO_JOINT = "Can't find ROOT or JOINT.";
- const char *LLBVHLoader::ST_NO_NAME = "Can't get JOINT name.";
- const char *LLBVHLoader::ST_NO_OFFSET = "Can't find OFFSET.";
- const char *LLBVHLoader::ST_NO_CHANNELS = "Can't find CHANNELS.";
- const char *LLBVHLoader::ST_NO_ROTATION = "Can't get rotation order.";
- const char *LLBVHLoader::ST_NO_AXIS = "Can't get rotation axis.";
- const char *LLBVHLoader::ST_NO_MOTION = "Can't find MOTION.";
- const char *LLBVHLoader::ST_NO_FRAMES = "Can't get number of frames.";
- const char *LLBVHLoader::ST_NO_FRAME_TIME = "Can't get frame time.";
- const char *LLBVHLoader::ST_NO_POS = "Can't get position values.";
- const char *LLBVHLoader::ST_NO_ROT = "Can't get rotation values.";
- const char *LLBVHLoader::ST_NO_XLT_FILE = "Can't open translation file.";
- const char *LLBVHLoader::ST_NO_XLT_HEADER = "Can't read translation header.";
- const char *LLBVHLoader::ST_NO_XLT_NAME = "Can't read translation names.";
- const char *LLBVHLoader::ST_NO_XLT_IGNORE = "Can't read translation ignore value.";
- const char *LLBVHLoader::ST_NO_XLT_RELATIVE = "Can't read translation relative value.";
- const char *LLBVHLoader::ST_NO_XLT_OUTNAME = "Can't read translation outname value.";
- const char *LLBVHLoader::ST_NO_XLT_MATRIX = "Can't read translation matrix.";
- const char *LLBVHLoader::ST_NO_XLT_MERGECHILD = "Can't get mergechild name.";
- const char *LLBVHLoader::ST_NO_XLT_MERGEPARENT = "Can't get mergeparent name.";
- const char *LLBVHLoader::ST_NO_XLT_PRIORITY = "Can't get priority value.";
- const char *LLBVHLoader::ST_NO_XLT_LOOP = "Can't get loop value.";
- const char *LLBVHLoader::ST_NO_XLT_EASEIN = "Can't get easeIn values.";
- const char *LLBVHLoader::ST_NO_XLT_EASEOUT = "Can't get easeOut values.";
- const char *LLBVHLoader::ST_NO_XLT_HAND = "Can't get hand morph value.";
- const char *LLBVHLoader::ST_NO_XLT_EMOTE = "Can't read emote name.";
- const char *LLBVHLoader::ST_BAD_ROOT = "Illegal ROOT joint.";
- */
- //------------------------------------------------------------------------
- // find_next_whitespace()
- //------------------------------------------------------------------------
- const char *find_next_whitespace(const char *p)
- {
- while(*p && isspace(*p)) p++;
- while(*p && !isspace(*p)) p++;
- return p;
- }
- //------------------------------------------------------------------------
- // bvhStringToOrder()
- //
- // XYZ order in BVH files must be passed to mayaQ() as ZYX.
- // This function reverses the input string before passing it on
- // to StringToOrder().
- //------------------------------------------------------------------------
- LLQuaternion::Order bvhStringToOrder( char *str )
- {
- char order[4]; /* Flawfinder: ignore */
- order[0] = str[2];
- order[1] = str[1];
- order[2] = str[0];
- order[3] = 0;
- LLQuaternion::Order retVal = StringToOrder( order );
- return retVal;
- }
- //-----------------------------------------------------------------------------
- // LLBVHLoader()
- //-----------------------------------------------------------------------------
- /*
- LLBVHLoader::LLBVHLoader(const char* buffer)
- {
- reset();
- mStatus = loadTranslationTable("anim.ini");
- if (mStatus == LLBVHLoader::ST_NO_XLT_FILE)
- {
- llwarns << "NOTE: No translation table found." << llendl;
- return;
- }
- else
- {
- if (mStatus != LLBVHLoader::ST_OK)
- {
- llwarns << "ERROR: [line: " << getLineNumber() << "] " << mStatus << llendl;
- return;
- }
- }
- char error_text[128]; // Flawfinder: ignore
- S32 error_line;
- mStatus = loadBVHFile(buffer, error_text, error_line);
- if (mStatus != LLBVHLoader::ST_OK)
- {
- llwarns << "ERROR: [line: " << getLineNumber() << "] " << mStatus << llendl;
- return;
- }
- applyTranslations();
- optimize();
- mInitialized = TRUE;
- }
- */
- LLBVHLoader::LLBVHLoader(const char* buffer, ELoadStatus &loadStatus, S32 &errorLine)
- {
- reset();
- errorLine = 0;
- mStatus = loadTranslationTable("anim.ini");
- loadStatus = mStatus;
- llinfos<<"Load Status 00 : "<< loadStatus << llendl;
- if (mStatus == E_ST_NO_XLT_FILE)
- {
- //llwarns << "NOTE: No translation table found." << llendl;
- loadStatus = mStatus;
- return;
- }
- else
- {
- if (mStatus != E_ST_OK)
- {
- //llwarns << "ERROR: [line: " << getLineNumber() << "] " << mStatus << llendl;
- errorLine = getLineNumber();
- loadStatus = mStatus;
- return;
- }
- }
-
- char error_text[128]; /* Flawfinder: ignore */
- S32 error_line;
- mStatus = loadBVHFile(buffer, error_text, error_line);
-
- if (mStatus != E_ST_OK)
- {
- //llwarns << "ERROR: [line: " << getLineNumber() << "] " << mStatus << llendl;
- loadStatus = mStatus;
- errorLine = getLineNumber();
- return;
- }
-
- applyTranslations();
- optimize();
-
- mInitialized = TRUE;
- }
- LLBVHLoader::~LLBVHLoader()
- {
- std::for_each(mJoints.begin(),mJoints.end(),DeletePointer());
- }
- //------------------------------------------------------------------------
- // LLBVHLoader::loadTranslationTable()
- //------------------------------------------------------------------------
- ELoadStatus LLBVHLoader::loadTranslationTable(const char *fileName)
- {
- mLineNumber = 0;
- mTranslations.clear();
- mConstraints.clear();
- //--------------------------------------------------------------------
- // open file
- //--------------------------------------------------------------------
- std::string path = gDirUtilp->getExpandedFilename(LL_PATH_APP_SETTINGS,fileName);
- LLAPRFile infile ;
- infile.open(path, LL_APR_R);
- apr_file_t *fp = infile.getFileHandle();
- if (!fp)
- return E_ST_NO_XLT_FILE;
- llinfos << "NOTE: Loading translation table: " << fileName << llendl;
- //--------------------------------------------------------------------
- // register file to be closed on function exit
- //--------------------------------------------------------------------
-
- //--------------------------------------------------------------------
- // load header
- //--------------------------------------------------------------------
- if ( ! getLine(fp) )
- return E_ST_EOF;
- if ( strncmp(mLine, "Translations 1.0", 16) )
- return E_ST_NO_XLT_HEADER;
- //--------------------------------------------------------------------
- // load data one line at a time
- //--------------------------------------------------------------------
- BOOL loadingGlobals = FALSE;
- Translation *trans = NULL;
- while ( getLine(fp) )
- {
- //----------------------------------------------------------------
- // check the 1st token on the line to determine if it's empty or a comment
- //----------------------------------------------------------------
- char token[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %127s", token) != 1 ) /* Flawfinder: ignore */
- continue;
- if (token[0] == '#')
- continue;
- //----------------------------------------------------------------
- // check if a [jointName] or [GLOBALS] was specified.
- //----------------------------------------------------------------
- if (token[0] == '[')
- {
- char name[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " [%127[^]]", name) != 1 )
- return E_ST_NO_XLT_NAME;
- if (strcmp(name, "GLOBALS")==0)
- {
- loadingGlobals = TRUE;
- continue;
- }
- else
- {
- loadingGlobals = FALSE;
- Translation &newTrans = mTranslations[ name ];
- trans = &newTrans;
- continue;
- }
- }
- //----------------------------------------------------------------
- // check for optional emote
- //----------------------------------------------------------------
- if (loadingGlobals && LLStringUtil::compareInsensitive(token, "emote")==0)
- {
- char emote_str[1024]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %1023s", emote_str) != 1 ) /* Flawfinder: ignore */
- return E_ST_NO_XLT_EMOTE;
- mEmoteName.assign( emote_str );
- // llinfos << "NOTE: Emote: " << mEmoteName.c_str() << llendl;
- continue;
- }
- //----------------------------------------------------------------
- // check for global priority setting
- //----------------------------------------------------------------
- if (loadingGlobals && LLStringUtil::compareInsensitive(token, "priority")==0)
- {
- S32 priority;
- if ( sscanf(mLine, " %*s = %d", &priority) != 1 )
- return E_ST_NO_XLT_PRIORITY;
- mPriority = priority;
- // llinfos << "NOTE: Priority: " << mPriority << llendl;
- continue;
- }
- //----------------------------------------------------------------
- // check for global loop setting
- //----------------------------------------------------------------
- if (loadingGlobals && LLStringUtil::compareInsensitive(token, "loop")==0)
- {
- char trueFalse[128]; /* Flawfinder: ignore */
- trueFalse[0] = ' ';
-
- F32 loop_in = 0.f;
- F32 loop_out = 1.f;
- if ( sscanf(mLine, " %*s = %f %f", &loop_in, &loop_out) == 2 )
- {
- mLoop = TRUE;
- }
- else if ( sscanf(mLine, " %*s = %127s", trueFalse) == 1 ) /* Flawfinder: ignore */
- {
- mLoop = (LLStringUtil::compareInsensitive(trueFalse, "true")==0);
- }
- else
- {
- return E_ST_NO_XLT_LOOP;
- }
- mLoopInPoint = loop_in * mDuration;
- mLoopOutPoint = loop_out * mDuration;
- continue;
- }
- //----------------------------------------------------------------
- // check for global easeIn setting
- //----------------------------------------------------------------
- if (loadingGlobals && LLStringUtil::compareInsensitive(token, "easein")==0)
- {
- F32 duration;
- char type[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %f %127s", &duration, type) != 2 ) /* Flawfinder: ignore */
- return E_ST_NO_XLT_EASEIN;
- mEaseIn = duration;
- continue;
- }
- //----------------------------------------------------------------
- // check for global easeOut setting
- //----------------------------------------------------------------
- if (loadingGlobals && LLStringUtil::compareInsensitive(token, "easeout")==0)
- {
- F32 duration;
- char type[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %f %127s", &duration, type) != 2 ) /* Flawfinder: ignore */
- return E_ST_NO_XLT_EASEOUT;
- mEaseOut = duration;
- continue;
- }
- //----------------------------------------------------------------
- // check for global handMorph setting
- //----------------------------------------------------------------
- if (loadingGlobals && LLStringUtil::compareInsensitive(token, "hand")==0)
- {
- S32 handMorph;
- if (sscanf(mLine, " %*s = %d", &handMorph) != 1)
- return E_ST_NO_XLT_HAND;
- mHand = handMorph;
- continue;
- }
- if (loadingGlobals && LLStringUtil::compareInsensitive(token, "constraint")==0)
- {
- Constraint constraint;
- // try reading optional target direction
- if(sscanf( /* Flawfinder: ignore */
- mLine,
- " %*s = %d %f %f %f %f %15s %f %f %f %15s %f %f %f %f %f %f",
- &constraint.mChainLength,
- &constraint.mEaseInStart,
- &constraint.mEaseInStop,
- &constraint.mEaseOutStart,
- &constraint.mEaseOutStop,
- constraint.mSourceJointName,
- &constraint.mSourceOffset.mV[VX],
- &constraint.mSourceOffset.mV[VY],
- &constraint.mSourceOffset.mV[VZ],
- constraint.mTargetJointName,
- &constraint.mTargetOffset.mV[VX],
- &constraint.mTargetOffset.mV[VY],
- &constraint.mTargetOffset.mV[VZ],
- &constraint.mTargetDir.mV[VX],
- &constraint.mTargetDir.mV[VY],
- &constraint.mTargetDir.mV[VZ]) != 16)
- {
- if(sscanf( /* Flawfinder: ignore */
- mLine,
- " %*s = %d %f %f %f %f %15s %f %f %f %15s %f %f %f",
- &constraint.mChainLength,
- &constraint.mEaseInStart,
- &constraint.mEaseInStop,
- &constraint.mEaseOutStart,
- &constraint.mEaseOutStop,
- constraint.mSourceJointName,
- &constraint.mSourceOffset.mV[VX],
- &constraint.mSourceOffset.mV[VY],
- &constraint.mSourceOffset.mV[VZ],
- constraint.mTargetJointName,
- &constraint.mTargetOffset.mV[VX],
- &constraint.mTargetOffset.mV[VY],
- &constraint.mTargetOffset.mV[VZ]) != 13)
- {
- return E_ST_NO_CONSTRAINT;
- }
- }
- else
- {
- // normalize direction
- if (!constraint.mTargetDir.isExactlyZero())
- {
- constraint.mTargetDir.normVec();
- }
- }
-
- constraint.mConstraintType = CONSTRAINT_TYPE_POINT;
- mConstraints.push_back(constraint);
- continue;
- }
- if (loadingGlobals && LLStringUtil::compareInsensitive(token, "planar_constraint")==0)
- {
- Constraint constraint;
- // try reading optional target direction
- if(sscanf( /* Flawfinder: ignore */
- mLine,
- " %*s = %d %f %f %f %f %15s %f %f %f %15s %f %f %f %f %f %f",
- &constraint.mChainLength,
- &constraint.mEaseInStart,
- &constraint.mEaseInStop,
- &constraint.mEaseOutStart,
- &constraint.mEaseOutStop,
- constraint.mSourceJointName,
- &constraint.mSourceOffset.mV[VX],
- &constraint.mSourceOffset.mV[VY],
- &constraint.mSourceOffset.mV[VZ],
- constraint.mTargetJointName,
- &constraint.mTargetOffset.mV[VX],
- &constraint.mTargetOffset.mV[VY],
- &constraint.mTargetOffset.mV[VZ],
- &constraint.mTargetDir.mV[VX],
- &constraint.mTargetDir.mV[VY],
- &constraint.mTargetDir.mV[VZ]) != 16)
- {
- if(sscanf( /* Flawfinder: ignore */
- mLine,
- " %*s = %d %f %f %f %f %15s %f %f %f %15s %f %f %f",
- &constraint.mChainLength,
- &constraint.mEaseInStart,
- &constraint.mEaseInStop,
- &constraint.mEaseOutStart,
- &constraint.mEaseOutStop,
- constraint.mSourceJointName,
- &constraint.mSourceOffset.mV[VX],
- &constraint.mSourceOffset.mV[VY],
- &constraint.mSourceOffset.mV[VZ],
- constraint.mTargetJointName,
- &constraint.mTargetOffset.mV[VX],
- &constraint.mTargetOffset.mV[VY],
- &constraint.mTargetOffset.mV[VZ]) != 13)
- {
- return E_ST_NO_CONSTRAINT;
- }
- }
- else
- {
- // normalize direction
- if (!constraint.mTargetDir.isExactlyZero())
- {
- constraint.mTargetDir.normVec();
- }
- }
-
- constraint.mConstraintType = CONSTRAINT_TYPE_PLANE;
- mConstraints.push_back(constraint);
- continue;
- }
- //----------------------------------------------------------------
- // at this point there must be a valid trans pointer
- //----------------------------------------------------------------
- if ( ! trans )
- return E_ST_NO_XLT_NAME;
- //----------------------------------------------------------------
- // check for ignore flag
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "ignore")==0 )
- {
- char trueFalse[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %127s", trueFalse) != 1 ) /* Flawfinder: ignore */
- return E_ST_NO_XLT_IGNORE;
- trans->mIgnore = (LLStringUtil::compareInsensitive(trueFalse, "true")==0);
- continue;
- }
- //----------------------------------------------------------------
- // check for relativepos flag
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "relativepos")==0 )
- {
- F32 x, y, z;
- char relpos[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %f %f %f", &x, &y, &z) == 3 )
- {
- trans->mRelativePosition.setVec( x, y, z );
- }
- else if ( sscanf(mLine, " %*s = %127s", relpos) == 1 ) /* Flawfinder: ignore */
- {
- if ( LLStringUtil::compareInsensitive(relpos, "firstkey")==0 )
- {
- trans->mRelativePositionKey = TRUE;
- }
- else
- {
- return E_ST_NO_XLT_RELATIVE;
- }
- }
- else
- {
- return E_ST_NO_XLT_RELATIVE;
- }
- continue;
- }
- //----------------------------------------------------------------
- // check for relativerot flag
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "relativerot")==0 )
- {
- //F32 x, y, z;
- char relpos[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %127s", relpos) == 1 ) /* Flawfinder: ignore */
- {
- if ( LLStringUtil::compareInsensitive(relpos, "firstkey")==0 )
- {
- trans->mRelativeRotationKey = TRUE;
- }
- else
- {
- return E_ST_NO_XLT_RELATIVE;
- }
- }
- else
- {
- return E_ST_NO_XLT_RELATIVE;
- }
- continue;
- }
- //----------------------------------------------------------------
- // check for outname value
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "outname")==0 )
- {
- char outName[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %127s", outName) != 1 ) /* Flawfinder: ignore */
- return E_ST_NO_XLT_OUTNAME;
- trans->mOutName = outName;
- continue;
- }
- //----------------------------------------------------------------
- // check for frame matrix value
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "frame")==0 )
- {
- LLMatrix3 fm;
- if ( sscanf(mLine, " %*s = %f %f %f, %f %f %f, %f %f %f",
- &fm.mMatrix[0][0], &fm.mMatrix[0][1], &fm.mMatrix[0][2],
- &fm.mMatrix[1][0], &fm.mMatrix[1][1], &fm.mMatrix[1][2],
- &fm.mMatrix[2][0], &fm.mMatrix[2][1], &fm.mMatrix[2][2] ) != 9 )
- return E_ST_NO_XLT_MATRIX;
- trans->mFrameMatrix = fm;
- continue;
- }
- //----------------------------------------------------------------
- // check for offset matrix value
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "offset")==0 )
- {
- LLMatrix3 om;
- if ( sscanf(mLine, " %*s = %f %f %f, %f %f %f, %f %f %f",
- &om.mMatrix[0][0], &om.mMatrix[0][1], &om.mMatrix[0][2],
- &om.mMatrix[1][0], &om.mMatrix[1][1], &om.mMatrix[1][2],
- &om.mMatrix[2][0], &om.mMatrix[2][1], &om.mMatrix[2][2] ) != 9 )
- return E_ST_NO_XLT_MATRIX;
- trans->mOffsetMatrix = om;
- continue;
- }
- //----------------------------------------------------------------
- // check for mergeparent value
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "mergeparent")==0 )
- {
- char mergeParentName[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %127s", mergeParentName) != 1 ) /* Flawfinder: ignore */
- return E_ST_NO_XLT_MERGEPARENT;
- trans->mMergeParentName = mergeParentName;
- continue;
- }
- //----------------------------------------------------------------
- // check for mergechild value
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "mergechild")==0 )
- {
- char mergeChildName[128]; /* Flawfinder: ignore */
- if ( sscanf(mLine, " %*s = %127s", mergeChildName) != 1 ) /* Flawfinder: ignore */
- return E_ST_NO_XLT_MERGECHILD;
- trans->mMergeChildName = mergeChildName;
- continue;
- }
- //----------------------------------------------------------------
- // check for per-joint priority
- //----------------------------------------------------------------
- if ( LLStringUtil::compareInsensitive(token, "priority")==0 )
- {
- S32 priority;
- if ( sscanf(mLine, " %*s = %d", &priority) != 1 )
- return E_ST_NO_XLT_PRIORITY;
- trans->mPriorityModifier = priority;
- continue;
- }
- }
- infile.close() ;
- return E_ST_OK;
- }
- //------------------------------------------------------------------------
- // LLBVHLoader::loadBVHFile()
- //------------------------------------------------------------------------
- ELoadStatus LLBVHLoader::loadBVHFile(const char *buffer, char* error_text, S32 &err_line)
- {
- std::string line;
- err_line = 0;
- error_text[127] = ' ';
- std::string str(buffer);
- typedef boost::tokenizer<boost::char_separator<char> > tokenizer;
- boost::char_separator<char> sep("rn");
- tokenizer tokens(str, sep);
- tokenizer::iterator iter = tokens.begin();
- mLineNumber = 0;
- mJoints.clear();
- std::vector<S32> parent_joints;
- //--------------------------------------------------------------------
- // consume hierarchy
- //--------------------------------------------------------------------
- if (iter == tokens.end())
- return E_ST_EOF;
- line = (*(iter++));
- err_line++;
- if ( !strstr(line.c_str(), "HIERARCHY") )
- {
- // llinfos << line << llendl;
- return E_ST_NO_HIER;
- }
- //--------------------------------------------------------------------
- // consume joints
- //--------------------------------------------------------------------
- while (TRUE)
- {
- //----------------------------------------------------------------
- // get next line
- //----------------------------------------------------------------
- if (iter == tokens.end())
- return E_ST_EOF;
- line = (*(iter++));
- err_line++;
- //----------------------------------------------------------------
- // consume }
- //----------------------------------------------------------------
- if ( strstr(line.c_str(), "}") )
- {
- if (parent_joints.size() > 0)
- {
- parent_joints.pop_back();
- }
- continue;
- }
- //----------------------------------------------------------------
- // if MOTION, break out
- //----------------------------------------------------------------
- if ( strstr(line.c_str(), "MOTION") )
- break;
- //----------------------------------------------------------------
- // it must be either ROOT or JOINT or EndSite
- //----------------------------------------------------------------
- if ( strstr(line.c_str(), "ROOT") )
- {
- }
- else if ( strstr(line.c_str(), "JOINT") )
- {
- }
- else if ( strstr(line.c_str(), "End Site") )
- {
- iter++; // {
- iter++; // OFFSET
- S32 depth = 0;
- for (S32 j = (S32)parent_joints.size() - 1; j >= 0; j--)
- {
- Joint *joint = mJoints[parent_joints[j]];
- if (depth > joint->mChildTreeMaxDepth)
- {
- joint->mChildTreeMaxDepth = depth;
- }
- depth++;
- }
- continue;
- }
- else
- {
- strncpy(error_text, line.c_str(), 127); /* Flawfinder: ignore */
- return E_ST_NO_JOINT;
- }
- //----------------------------------------------------------------
- // get the joint name
- //----------------------------------------------------------------
- char jointName[80]; /* Flawfinder: ignore */
- if ( sscanf(line.c_str(), "%*s %79s", jointName) != 1 ) /* Flawfinder: ignore */
- {
- strncpy(error_text, line.c_str(), 127); /* Flawfinder: ignore */
- return E_ST_NO_NAME;
- }
- //---------------------------------------------------------------
- // we require the root joint be "hip" - DEV-26188
- //---------------------------------------------------------------
- const char* FORCED_ROOT_NAME = "hip";
- if ( (mJoints.size() == 0 ) && ( !strstr(jointName, FORCED_ROOT_NAME) ) )
- {
- strncpy(error_text, line.c_str(), 127); /* Flawfinder: ignore */
- return E_ST_BAD_ROOT;
- }
-
- //----------------------------------------------------------------
- // add a set of keyframes for this joint
- //----------------------------------------------------------------
- mJoints.push_back( new Joint( jointName ) );
- Joint *joint = mJoints.back();
- S32 depth = 1;
- for (S32 j = (S32)parent_joints.size() - 1; j >= 0; j--)
- {
- Joint *pjoint = mJoints[parent_joints[j]];
- if (depth > pjoint->mChildTreeMaxDepth)
- {
- pjoint->mChildTreeMaxDepth = depth;
- }
- depth++;
- }
- //----------------------------------------------------------------
- // get next line
- //----------------------------------------------------------------
- if (iter == tokens.end())
- {
- return E_ST_EOF;
- }
- line = (*(iter++));
- err_line++;
- //----------------------------------------------------------------
- // it must be {
- //----------------------------------------------------------------
- if ( !strstr(line.c_str(), "{") )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_OFFSET;
- }
- else
- {
- parent_joints.push_back((S32)mJoints.size() - 1);
- }
- //----------------------------------------------------------------
- // get next line
- //----------------------------------------------------------------
- if (iter == tokens.end())
- {
- return E_ST_EOF;
- }
- line = (*(iter++));
- err_line++;
- //----------------------------------------------------------------
- // it must be OFFSET
- //----------------------------------------------------------------
- if ( !strstr(line.c_str(), "OFFSET") )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_OFFSET;
- }
- //----------------------------------------------------------------
- // get next line
- //----------------------------------------------------------------
- if (iter == tokens.end())
- {
- return E_ST_EOF;
- }
- line = (*(iter++));
- err_line++;
- //----------------------------------------------------------------
- // it must be CHANNELS
- //----------------------------------------------------------------
- if ( !strstr(line.c_str(), "CHANNELS") )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_CHANNELS;
- }
- //----------------------------------------------------------------
- // get rotation order
- //----------------------------------------------------------------
- const char *p = line.c_str();
- for (S32 i=0; i<3; i++)
- {
- p = strstr(p, "rotation");
- if (!p)
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_ROTATION;
- }
- const char axis = *(p - 1);
- if ((axis != 'X') && (axis != 'Y') && (axis != 'Z'))
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_AXIS;
- }
- joint->mOrder[i] = axis;
- p++;
- }
- }
- //--------------------------------------------------------------------
- // consume motion
- //--------------------------------------------------------------------
- if ( !strstr(line.c_str(), "MOTION") )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_MOTION;
- }
- //--------------------------------------------------------------------
- // get number of frames
- //--------------------------------------------------------------------
- if (iter == tokens.end())
- {
- return E_ST_EOF;
- }
- line = (*(iter++));
- err_line++;
- if ( !strstr(line.c_str(), "Frames:") )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_FRAMES;
- }
- if ( sscanf(line.c_str(), "Frames: %d", &mNumFrames) != 1 )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_FRAMES;
- }
- //--------------------------------------------------------------------
- // get frame time
- //--------------------------------------------------------------------
- if (iter == tokens.end())
- {
- return E_ST_EOF;
- }
- line = (*(iter++));
- err_line++;
- if ( !strstr(line.c_str(), "Frame Time:") )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_FRAME_TIME;
- }
- if ( sscanf(line.c_str(), "Frame Time: %f", &mFrameTime) != 1 )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_FRAME_TIME;
- }
- mDuration = (F32)mNumFrames * mFrameTime;
- if (!mLoop)
- {
- mLoopOutPoint = mDuration;
- }
- //--------------------------------------------------------------------
- // load frames
- //--------------------------------------------------------------------
- for (S32 i=0; i<mNumFrames; i++)
- {
- // get next line
- if (iter == tokens.end())
- {
- return E_ST_EOF;
- }
- line = (*(iter++));
- err_line++;
- // read and store values
- const char *p = line.c_str();
- for (U32 j=0; j<mJoints.size(); j++)
- {
- Joint *joint = mJoints[j];
- joint->mKeys.push_back( Key() );
- Key &key = joint->mKeys.back();
- // get 3 pos values for root joint only
- if (j==0)
- {
- if ( sscanf(p, "%f %f %f", key.mPos, key.mPos+1, key.mPos+2) != 3 )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_POS;
- }
- }
- // skip to next 3 values in the line
- p = find_next_whitespace(p);
- if (!p)
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_ROT;
- }
- p = find_next_whitespace(++p);
- if (!p)
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_ROT;
- }
- p = find_next_whitespace(++p);
- if (!p)
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_ROT;
- }
- // get 3 rot values for joint
- F32 rot[3];
- if ( sscanf(p, " %f %f %f", rot, rot+1, rot+2) != 3 )
- {
- strncpy(error_text, line.c_str(), 127); /*Flawfinder: ignore*/
- return E_ST_NO_ROT;
- }
- p++;
- key.mRot[ joint->mOrder[0]-'X' ] = rot[0];
- key.mRot[ joint->mOrder[1]-'X' ] = rot[1];
- key.mRot[ joint->mOrder[2]-'X' ] = rot[2];
- }
- }
- return E_ST_OK;
- }
- //------------------------------------------------------------------------
- // LLBVHLoader::applyTranslation()
- //------------------------------------------------------------------------
- void LLBVHLoader::applyTranslations()
- {
- JointVector::iterator ji;
- for (ji = mJoints.begin(); ji != mJoints.end(); ++ji )
- {
- Joint *joint = *ji;
- //----------------------------------------------------------------
- // Look for a translation for this joint.
- // If none, skip to next joint
- //----------------------------------------------------------------
- TranslationMap::iterator ti = mTranslations.find( joint->mName );
- if ( ti == mTranslations.end() )
- {
- continue;
- }
- Translation &trans = ti->second;
- //----------------------------------------------------------------
- // Set the ignore flag if necessary
- //----------------------------------------------------------------
- if ( trans.mIgnore )
- {
- //llinfos << "NOTE: Ignoring " << joint->mName.c_str() << llendl;
- joint->mIgnore = TRUE;
- continue;
- }
- //----------------------------------------------------------------
- // Set the output name
- //----------------------------------------------------------------
- if ( ! trans.mOutName.empty() )
- {
- //llinfos << "NOTE: Changing " << joint->mName.c_str() << " to " << trans.mOutName.c_str() << llendl;
- joint->mOutName = trans.mOutName;
- }
- //----------------------------------------------------------------
- // Set the ignorepos flag if necessary
- //----------------------------------------------------------------
- if ( joint->mOutName == std::string("mPelvis") )
- {
- joint->mIgnorePositions = FALSE;
- }
- //----------------------------------------------------------------
- // Set the relativepos flags if necessary
- //----------------------------------------------------------------
- if ( trans.mRelativePositionKey )
- {
- // llinfos << "NOTE: Removing 1st position offset from all keys for " << joint->mOutName.c_str() << llendl;
- joint->mRelativePositionKey = TRUE;
- }
- if ( trans.mRelativeRotationKey )
- {
- // llinfos << "NOTE: Removing 1st rotation from all keys for " << joint->mOutName.c_str() << llendl;
- joint->mRelativeRotationKey = TRUE;
- }
-
- if ( trans.mRelativePosition.magVec() > 0.0f )
- {
- joint->mRelativePosition = trans.mRelativePosition;
- // llinfos << "NOTE: Removing " <<
- // joint->mRelativePosition.mV[0] << " " <<
- // joint->mRelativePosition.mV[1] << " " <<
- // joint->mRelativePosition.mV[2] <<
- // " from all position keys in " <<
- // joint->mOutName.c_str() << llendl;
- }
- //----------------------------------------------------------------
- // Set change of coordinate frame
- //----------------------------------------------------------------
- joint->mFrameMatrix = trans.mFrameMatrix;
- joint->mOffsetMatrix = trans.mOffsetMatrix;
- //----------------------------------------------------------------
- // Set mergeparent name
- //----------------------------------------------------------------
- if ( ! trans.mMergeParentName.empty() )
- {
- // llinfos << "NOTE: Merging " << joint->mOutName.c_str() <<
- // " with parent " <<
- // trans.mMergeParentName.c_str() << llendl;
- joint->mMergeParentName = trans.mMergeParentName;
- }
- //----------------------------------------------------------------
- // Set mergechild name
- //----------------------------------------------------------------
- if ( ! trans.mMergeChildName.empty() )
- {
- // llinfos << "NOTE: Merging " << joint->mName.c_str() <<
- // " with child " << trans.mMergeChildName.c_str() << llendl;
- joint->mMergeChildName = trans.mMergeChildName;
- }
- //----------------------------------------------------------------
- // Set joint priority
- //----------------------------------------------------------------
- joint->mPriority = mPriority + trans.mPriorityModifier;
- }
- }
- //-----------------------------------------------------------------------------
- // LLBVHLoader::optimize()
- //-----------------------------------------------------------------------------
- void LLBVHLoader::optimize()
- {
- //RN: assumes motion blend, which is the default now
- if (!mLoop && mEaseIn + mEaseOut > mDuration && mDuration != 0.f)
- {
- F32 factor = mDuration / (mEaseIn + mEaseOut);
- mEaseIn *= factor;
- mEaseOut *= factor;
- }
- JointVector::iterator ji;
- for (ji = mJoints.begin(); ji != mJoints.end(); ++ji)
- {
- Joint *joint = *ji;
- BOOL pos_changed = FALSE;
- BOOL rot_changed = FALSE;
- if ( ! joint->mIgnore )
- {
- joint->mNumPosKeys = 0;
- joint->mNumRotKeys = 0;
- LLQuaternion::Order order = bvhStringToOrder( joint->mOrder );
- KeyVector::iterator first_key = joint->mKeys.begin();
- // no keys?
- if (first_key == joint->mKeys.end())
- {
- joint->mIgnore = TRUE;
- continue;
- }
- LLVector3 first_frame_pos(first_key->mPos);
- LLQuaternion first_frame_rot = mayaQ( first_key->mRot[0], first_key->mRot[1], first_key->mRot[2], order);
-
- // skip first key
- KeyVector::iterator ki = joint->mKeys.begin();
- if (joint->mKeys.size() == 1)
- {
- // *FIX: use single frame to move pelvis
- // if only one keyframe force output for this joint
- rot_changed = TRUE;
- }
- else
- {
- // if more than one keyframe, use first frame as reference and skip to second
- first_key->mIgnorePos = TRUE;
- first_key->mIgnoreRot = TRUE;
- ++ki;
- }
- KeyVector::iterator ki_prev = ki;
- KeyVector::iterator ki_last_good_pos = ki;
- KeyVector::iterator ki_last_good_rot = ki;
- S32 numPosFramesConsidered = 2;
- S32 numRotFramesConsidered = 2;
- F32 rot_threshold = ROTATION_KEYFRAME_THRESHOLD / llmax((F32)joint->mChildTreeMaxDepth * 0.33f, 1.f);
- double diff_max = 0;
- KeyVector::iterator ki_max = ki;
- for (; ki != joint->mKeys.end(); ++ki)
- {
- if (ki_prev == ki_last_good_pos)
- {
- joint->mNumPosKeys++;
- if (dist_vec(LLVector3(ki_prev->mPos), first_frame_pos) > POSITION_MOTION_THRESHOLD)
- {
- pos_changed = TRUE;
- }
- }
- else
- {
- //check position for noticeable effect
- LLVector3 test_pos(ki_prev->mPos);
- LLVector3 last_good_pos(ki_last_good_pos->mPos);
- LLVector3 current_pos(ki->mPos);
- LLVector3 interp_pos = lerp(current_pos, last_good_pos, 1.f / (F32)numPosFramesConsidered);
- if (dist_vec(current_pos, first_frame_pos) > POSITION_MOTION_THRESHOLD)
- {
- pos_changed = TRUE;
- }
- if (dist_vec(interp_pos, test_pos) < POSITION_KEYFRAME_THRESHOLD)
- {
- ki_prev->mIgnorePos = TRUE;
- numPosFramesConsidered++;
- }
- else
- {
- numPosFramesConsidered = 2;
- ki_last_good_pos = ki_prev;
- joint->mNumPosKeys++;
- }
- }
- if (ki_prev == ki_last_good_rot)
- {
- joint->mNumRotKeys++;
- LLQuaternion test_rot = mayaQ( ki_prev->mRot[0], ki_prev->mRot[1], ki_prev->mRot[2], order);
- F32 x_delta = dist_vec(LLVector3::x_axis * first_frame_rot, LLVector3::x_axis * test_rot);
- F32 y_delta = dist_vec(LLVector3::y_axis * first_frame_rot, LLVector3::y_axis * test_rot);
- F32 rot_test = x_delta + y_delta;
- if (rot_test > ROTATION_MOTION_THRESHOLD)
- {
- rot_changed = TRUE;
- }
- }
- else
- {
- //check rotation for noticeable effect
- LLQuaternion test_rot = mayaQ( ki_prev->mRot[0], ki_prev->mRot[1], ki_prev->mRot[2], order);
- LLQuaternion last_good_rot = mayaQ( ki_last_good_rot->mRot[0], ki_last_good_rot->mRot[1], ki_last_good_rot->mRot[2], order);
- LLQuaternion current_rot = mayaQ( ki->mRot[0], ki->mRot[1], ki->mRot[2], order);
- LLQuaternion interp_rot = lerp(1.f / (F32)numRotFramesConsidered, current_rot, last_good_rot);
- F32 x_delta;
- F32 y_delta;
- F32 rot_test;
-
- // Test if the rotation has changed significantly since the very first frame. If false
- // for all frames, then we'll just throw out this joint's rotation entirely.
- x_delta = dist_vec(LLVector3::x_axis * first_frame_rot, LLVector3::x_axis * test_rot);
- y_delta = dist_vec(LLVector3::y_axis * first_frame_rot, LLVector3::y_axis * test_rot);
- rot_test = x_delta + y_delta;
- if (rot_test > ROTATION_MOTION_THRESHOLD)
- {
- rot_changed = TRUE;
- }
- x_delta = dist_vec(LLVector3::x_axis * interp_rot, LLVector3::x_axis * test_rot);
- y_delta = dist_vec(LLVector3::y_axis * interp_rot, LLVector3::y_axis * test_rot);
- rot_test = x_delta + y_delta;
- // Draw a line between the last good keyframe and current. Test the distance between the last frame (current-1, i.e. ki_prev)
- // and the line. If it's greater than some threshold, then it represents a significant frame and we want to include it.
- if (rot_test >= rot_threshold ||
- (ki+1 == joint->mKeys.end() && numRotFramesConsidered > 2))
- {
- // Add the current test keyframe (which is technically the previous key, i.e. ki_prev).
- numRotFramesConsidered = 2;
- ki_last_good_rot = ki_prev;
- joint->mNumRotKeys++;
- // Add another keyframe between the last good keyframe and current, at whatever point was the most "significant" (i.e.
- // had the largest deviation from the earlier tests). Note that a more robust approach would be test all intermediate
- // keyframes against the line between the last good keyframe and current, but we're settling for this other method
- // because it's significantly faster.
- if (diff_max > 0)
- {
- if (ki_max->mIgnoreRot == TRUE)
- {
- ki_max->mIgnoreRot = FALSE;
- joint->mNumRotKeys++;
- }
- diff_max = 0;
- }
- }
- else
- {
- // This keyframe isn't significant enough, throw it away.
- ki_prev->mIgnoreRot = TRUE;
- numRotFramesConsidered++;
- // Store away the keyframe that has the largest deviation from the interpolated line, for insertion later.
- if (rot_test > diff_max)
- {
- diff_max = rot_test;
- ki_max = ki;
- }
- }
- }
- ki_prev = ki;
- }
- }
- // don't output joints with no motion
- if (!(pos_changed || rot_changed))
- {
- //llinfos << "Ignoring joint " << joint->mName << llendl;
- joint->mIgnore = TRUE;
- }
- }
- }
- void LLBVHLoader::reset()
- {
- mLineNumber = 0;
- mNumFrames = 0;
- mFrameTime = 0.0f;
- mDuration = 0.0f;
- mPriority = 2;
- mLoop = FALSE;
- mLoopInPoint = 0.f;
- mLoopOutPoint = 0.f;
- mEaseIn = 0.3f;
- mEaseOut = 0.3f;
- mHand = 1;
- mInitialized = FALSE;
- mEmoteName = "";
- }
- //------------------------------------------------------------------------
- // LLBVHLoader::getLine()
- //------------------------------------------------------------------------
- BOOL LLBVHLoader::getLine(apr_file_t* fp)
- {
- if (apr_file_eof(fp) == APR_EOF)
- {
- return FALSE;
- }
- if ( apr_file_gets(mLine, BVH_PARSER_LINE_SIZE, fp) == APR_SUCCESS)
- {
- mLineNumber++;
- return TRUE;
- }
- return FALSE;
- }
- // returns required size of output buffer
- U32 LLBVHLoader::getOutputSize()
- {
- LLDataPackerBinaryBuffer dp;
- serialize(dp);
- return dp.getCurrentSize();
- }
- // writes contents to datapacker
- BOOL LLBVHLoader::serialize(LLDataPacker& dp)
- {
- JointVector::iterator ji;
- KeyVector::iterator ki;
- F32 time;
- // count number of non-ignored joints
- S32 numJoints = 0;
- for (ji=mJoints.begin(); ji!=mJoints.end(); ++ji)
- {
- Joint *joint = *ji;
- if ( ! joint->mIgnore )
- numJoints++;
- }
- // print header
- dp.packU16(KEYFRAME_MOTION_VERSION, "version");
- dp.packU16(KEYFRAME_MOTION_SUBVERSION, "sub_version");
- dp.packS32(mPriority, "base_priority");
- dp.packF32(mDuration, "duration");
- dp.packString(mEmoteName, "emote_name");
- dp.packF32(mLoopInPoint, "loop_in_point");
- dp.packF32(mLoopOutPoint, "loop_out_point");
- dp.packS32(mLoop, "loop");
- dp.packF32(mEaseIn, "ease_in_duration");
- dp.packF32(mEaseOut, "ease_out_duration");
- dp.packU32(mHand, "hand_pose");
- dp.packU32(numJoints, "num_joints");
- for ( ji = mJoints.begin();
- ji != mJoints.end();
- ++ji )
- {
- Joint *joint = *ji;
- // if ignored, skip it
- if ( joint->mIgnore )
- continue;
- LLQuaternion first_frame_rot;
- LLQuaternion fixup_rot;
- dp.packString(joint->mOutName, "joint_name");
- dp.packS32(joint->mPriority, "joint_priority");
- // compute coordinate frame rotation
- LLQuaternion frameRot( joint->mFrameMatrix );
- LLQuaternion frameRotInv = ~frameRot;
- LLQuaternion offsetRot( joint->mOffsetMatrix );
- // find mergechild and mergeparent joints, if specified
- LLQuaternion mergeParentRot;
- LLQuaternion mergeChildRot;
- Joint *mergeParent = NULL;
- Joint *mergeChild = NULL;
- JointVector::iterator mji;
- for (mji=mJoints.begin(); mji!=mJoints.end(); ++mji)
- {
- Joint *mjoint = *mji;
- if ( !joint->mMergeParentName.empty() && (mjoint->mName == joint->mMergeParentName) )
- {
- mergeParent = *mji;
- }
- if ( !joint->mMergeChildName.empty() && (mjoint->mName == joint->mMergeChildName) )
- {
- mergeChild = *mji;
- }
- }
- dp.packS32(joint->mNumRotKeys, "num_rot_keys");
- LLQuaternion::Order order = bvhStringToOrder( joint->mOrder );
- S32 outcount = 0;
- S32 frame = 1;
- for ( ki = joint->mKeys.begin();
- ki != joint->mKeys.end();
- ++ki )
- {
- if ((frame == 1) && joint->mRelativeRotationKey)
- {
- first_frame_rot = mayaQ( ki->mRot[0], ki->mRot[1], ki->mRot[2], order);
-
- fixup_rot.shortestArc(LLVector3::z_axis * first_frame_rot * frameRot, LLVector3::z_axis);
- }
- if (ki->mIgnoreRot)
- {
- frame++;
- continue;
- }
- time = (F32)frame * mFrameTime;
- if (mergeParent)
- {
- mergeParentRot = mayaQ( mergeParent->mKeys[frame-1].mRot[0],
- mergeParent->mKeys[frame-1].mRot[1],
- mergeParent->mKeys[frame-1].mRot[2],
- bvhStringToOrder(mergeParent->mOrder) );
- LLQuaternion parentFrameRot( mergeParent->mFrameMatrix );
- LLQuaternion parentOffsetRot( mergeParent->mOffsetMatrix );
- mergeParentRot = ~parentFrameRot * mergeParentRot * parentFrameRot * parentOffsetRot;
- }
- else
- {
- mergeParentRot.loadIdentity();
- }
- if (mergeChild)
- {
- mergeChildRot = mayaQ( mergeChild->mKeys[frame-1].mRot[0],
- mergeChild->mKeys[frame-1].mRot[1],
- mergeChild->mKeys[frame-1].mRot[2],
- bvhStringToOrder(mergeChild->mOrder) );
- LLQuaternion childFrameRot( mergeChild->mFrameMatrix );
- LLQuaternion childOffsetRot( mergeChild->mOffsetMatrix );
- mergeChildRot = ~childFrameRot * mergeChildRot * childFrameRot * childOffsetRot;
-
- }
- else
- {
- mergeChildRot.loadIdentity();
- }
- LLQuaternion inRot = mayaQ( ki->mRot[0], ki->mRot[1], ki->mRot[2], order);
- LLQuaternion outRot = frameRotInv* mergeChildRot * inRot * mergeParentRot * ~first_frame_rot * frameRot * offsetRot;
- U16 time_short = F32_to_U16(time, 0.f, mDuration);
- dp.packU16(time_short, "time");
- U16 x, y, z;
- LLVector3 rot_vec = outRot.packToVector3();
- rot_vec.quantize16(-1.f, 1.f, -1.f, 1.f);
- x = F32_to_U16(rot_vec.mV[VX], -1.f, 1.f);
- y = F32_to_U16(rot_vec.mV[VY], -1.f, 1.f);
- z = F32_to_U16(rot_vec.mV[VZ], -1.f, 1.f);
- dp.packU16(x, "rot_angle_x");
- dp.packU16(y, "rot_angle_y");
- dp.packU16(z, "rot_angle_z");
- outcount++;
- frame++;
- }
-
- // output position keys (only for 1st joint)
- if ( ji == mJoints.begin() && !joint->mIgnorePositions )
- {
- dp.packS32(joint->mNumPosKeys, "num_pos_keys");
- LLVector3 relPos = joint->mRelativePosition;
- LLVector3 relKey;
- frame = 1;
- for ( ki = joint->mKeys.begin();
- ki != joint->mKeys.end();
- ++ki )
- {
- if ((frame == 1) && joint->mRelativePositionKey)
- {
- relKey.setVec(ki->mPos);
- }
- if (ki->mIgnorePos)
- {
- frame++;
- continue;
- }
- time = (F32)frame * mFrameTime;
- LLVector3 inPos = (LLVector3(ki->mPos) - relKey) * ~first_frame_rot;// * fixup_rot;
- LLVector3 outPos = inPos * frameRot * offsetRot;
- outPos *= INCHES_TO_METERS;
- outPos -= relPos;
- outPos.clamp(-LL_MAX_PELVIS_OFFSET, LL_MAX_PELVIS_OFFSET);
- U16 time_short = F32_to_U16(time, 0.f, mDuration);
- dp.packU16(time_short, "time");
- U16 x, y, z;
- outPos.quantize16(-LL_MAX_PELVIS_OFFSET, LL_MAX_PELVIS_OFFSET, -LL_MAX_PELVIS_OFFSET, LL_MAX_PELVIS_OFFSET);
- x = F32_to_U16(outPos.mV[VX], -LL_MAX_PELVIS_OFFSET, LL_MAX_PELVIS_OFFSET);
- y = F32_to_U16(outPos.mV[VY], -LL_MAX_PELVIS_OFFSET, LL_MAX_PELVIS_OFFSET);
- z = F32_to_U16(outPos.mV[VZ], -LL_MAX_PELVIS_OFFSET, LL_MAX_PELVIS_OFFSET);
- dp.packU16(x, "pos_x");
- dp.packU16(y, "pos_y");
- dp.packU16(z, "pos_z");
- frame++;
- }
- }
- else
- {
- dp.packS32(0, "num_pos_keys");
- }
- }
- S32 num_constraints = (S32)mConstraints.size();
- dp.packS32(num_constraints, "num_constraints");
- for (ConstraintVector::iterator constraint_it = mConstraints.begin();
- constraint_it != mConstraints.end();
- constraint_it++)
- {
- U8 byte = constraint_it->mChainLength;
- dp.packU8(byte, "chain_lenght");
-
- byte = constraint_it->mConstraintType;
- dp.packU8(byte, "constraint_type");
- dp.packBinaryDataFixed((U8*)constraint_it->mSourceJointName, 16, "source_volume");
- dp.packVector3(constraint_it->mSourceOffset, "source_offset");
- dp.packBinaryDataFixed((U8*)constraint_it->mTargetJointName, 16, "target_volume");
- dp.packVector3(constraint_it->mTargetOffset, "target_offset");
- dp.packVector3(constraint_it->mTargetDir, "target_dir");
- dp.packF32(constraint_it->mEaseInStart, "ease_in_start");
- dp.packF32(constraint_it->mEaseInStop, "ease_in_stop");
- dp.packF32(constraint_it->mEaseOutStart, "ease_out_start");
- dp.packF32(constraint_it->mEaseOutStop, "ease_out_stop");
- }
- return TRUE;
- }