Files
SingularityViewer/indra/llcharacter/llkeyframemotionparam.cpp
2011-09-20 21:39:27 -05:00

463 lines
14 KiB
C++

/**
* @file llkeyframemotionparam.cpp
* @brief Implementation of LLKeyframeMotion class.
*
* $LicenseInfo:firstyear=2001&license=viewergpl$
*
* Copyright (c) 2001-2009, 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.
* $/LicenseInfo$
*/
//-----------------------------------------------------------------------------
// Header Files
//-----------------------------------------------------------------------------
#include "linden_common.h"
#include "llkeyframemotionparam.h"
#include "llcharacter.h"
#include "llmath.h"
#include "m3math.h"
#include "lldir.h"
#include "llanimationstates.h"
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// LLKeyframeMotionParam class
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
//-----------------------------------------------------------------------------
// LLKeyframeMotionParam()
// Class Constructor
//-----------------------------------------------------------------------------
LLKeyframeMotionParam::LLKeyframeMotionParam( const LLUUID &id) : LLMotion(id)
{
mDefaultKeyframeMotion = NULL;
mCharacter = NULL;
mEaseInDuration = 0.f;
mEaseOutDuration = 0.f;
mDuration = 0.f;
mPriority = LLJoint::LOW_PRIORITY;
}
//-----------------------------------------------------------------------------
// ~LLKeyframeMotionParam()
// Class Destructor
//-----------------------------------------------------------------------------
LLKeyframeMotionParam::~LLKeyframeMotionParam()
{
for (motion_map_t::iterator iter = mParameterizedMotions.begin();
iter != mParameterizedMotions.end(); ++iter)
{
motion_list_t& motionList = iter->second;
for (motion_list_t::iterator iter2 = motionList.begin(); iter2 != motionList.end(); ++iter2)
{
const ParameterizedMotion& paramMotion = *iter2;
delete paramMotion.mMotion;
}
motionList.clear();
}
mParameterizedMotions.clear();
}
//-----------------------------------------------------------------------------
// LLKeyframeMotionParam::onInitialize(LLCharacter *character)
//-----------------------------------------------------------------------------
LLMotion::LLMotionInitStatus LLKeyframeMotionParam::onInitialize(LLCharacter *character)
{
mCharacter = character;
if (!loadMotions())
{
return STATUS_FAILURE;
}
for (motion_map_t::iterator iter = mParameterizedMotions.begin();
iter != mParameterizedMotions.end(); ++iter)
{
motion_list_t& motionList = iter->second;
for (motion_list_t::iterator iter2 = motionList.begin(); iter2 != motionList.end(); ++iter2)
{
const ParameterizedMotion& paramMotion = *iter2;
LLMotion* motion = paramMotion.mMotion;
motion->onInitialize(character);
if (motion->getDuration() > mEaseInDuration)
{
mEaseInDuration = motion->getEaseInDuration();
}
if (motion->getEaseOutDuration() > mEaseOutDuration)
{
mEaseOutDuration = motion->getEaseOutDuration();
}
if (motion->getDuration() > mDuration)
{
mDuration = motion->getDuration();
}
if (motion->getPriority() > mPriority)
{
mPriority = motion->getPriority();
}
LLPose *pose = motion->getPose();
mPoseBlender.addMotion(motion);
for (LLJointState *jsp = pose->getFirstJointState(); jsp; jsp = pose->getNextJointState())
{
LLPose *blendedPose = mPoseBlender.getBlendedPose();
blendedPose->addJointState(jsp);
}
}
}
return STATUS_SUCCESS;
}
//-----------------------------------------------------------------------------
// LLKeyframeMotionParam::onActivate()
//-----------------------------------------------------------------------------
BOOL LLKeyframeMotionParam::onActivate()
{
for (motion_map_t::iterator iter = mParameterizedMotions.begin();
iter != mParameterizedMotions.end(); ++iter)
{
motion_list_t& motionList = iter->second;
for (motion_list_t::iterator iter2 = motionList.begin(); iter2 != motionList.end(); ++iter2)
{
const ParameterizedMotion& paramMotion = *iter2;
paramMotion.mMotion->activate(mActivationTimestamp);
}
}
return TRUE;
}
//-----------------------------------------------------------------------------
// LLKeyframeMotionParam::onUpdate()
//-----------------------------------------------------------------------------
BOOL LLKeyframeMotionParam::onUpdate(F32 time, U8* joint_mask)
{
F32 weightFactor = 1.f / (F32)mParameterizedMotions.size();
// zero out all pose weights
for (motion_map_t::iterator iter = mParameterizedMotions.begin();
iter != mParameterizedMotions.end(); ++iter)
{
motion_list_t& motionList = iter->second;
for (motion_list_t::iterator iter2 = motionList.begin(); iter2 != motionList.end(); ++iter2)
{
const ParameterizedMotion& paramMotion = *iter2;
// llinfos << "Weight for pose " << paramMotion.mMotion->getName() << " is " << paramMotion.mMotion->getPose()->getWeight() << llendl;
paramMotion.mMotion->getPose()->setWeight(0.f);
}
}
for (motion_map_t::iterator iter = mParameterizedMotions.begin();
iter != mParameterizedMotions.end(); ++iter)
{
const std::string& paramName = iter->first;
F32* paramValue = (F32 *)mCharacter->getAnimationData(paramName);
if (NULL == paramValue) // unexpected, but...
{
llwarns << "paramValue == NULL" << llendl;
continue;
}
// DANGER! Do not modify mParameterizedMotions while using these pointers!
const ParameterizedMotion* firstMotion = NULL;
const ParameterizedMotion* secondMotion = NULL;
motion_list_t& motionList = iter->second;
for (motion_list_t::iterator iter2 = motionList.begin(); iter2 != motionList.end(); ++iter2)
{
const ParameterizedMotion& paramMotion = *iter2;
paramMotion.mMotion->onUpdate(time, joint_mask);
F32 distToParam = paramMotion.mParam - *paramValue;
if ( distToParam <= 0.f)
{
// keep track of the motion closest to the parameter value
firstMotion = &paramMotion;
}
else
{
// we've passed the parameter value
// so store the first motion we find as the second one we want to blend...
if (firstMotion && !secondMotion )
{
secondMotion = &paramMotion;
}
//...or, if we've seen no other motion so far, make sure we blend to this only
else if (!firstMotion)
{
firstMotion = &paramMotion;
secondMotion = &paramMotion;
}
}
}
LLPose *firstPose;
LLPose *secondPose;
if (firstMotion)
firstPose = firstMotion->mMotion->getPose();
else
firstPose = NULL;
if (secondMotion)
secondPose = secondMotion->mMotion->getPose();
else
secondPose = NULL;
// now modify weight of the subanim (only if we are blending between two motions)
if (firstMotion && secondMotion)
{
if (firstMotion == secondMotion)
{
firstPose->setWeight(weightFactor);
}
else if (firstMotion->mParam == secondMotion->mParam)
{
firstPose->setWeight(0.5f * weightFactor);
secondPose->setWeight(0.5f * weightFactor);
}
else
{
F32 first_weight = 1.f -
((llclamp(*paramValue - firstMotion->mParam, 0.f, (secondMotion->mParam - firstMotion->mParam))) /
(secondMotion->mParam - firstMotion->mParam));
first_weight = llclamp(first_weight, 0.f, 1.f);
F32 second_weight = 1.f - first_weight;
firstPose->setWeight(first_weight * weightFactor);
secondPose->setWeight(second_weight * weightFactor);
// llinfos << "Parameter " << *paramName << ": " << *paramValue << llendl;
// llinfos << "Weights " << firstPose->getWeight() << " " << secondPose->getWeight() << llendl;
}
}
else if (firstMotion && !secondMotion)
{
firstPose->setWeight(weightFactor);
}
}
// blend poses
mPoseBlender.blendAndApply();
llinfos << "Param Motion weight " << mPoseBlender.getBlendedPose()->getWeight() << llendl;
return TRUE;
}
//-----------------------------------------------------------------------------
// LLKeyframeMotionParam::onDeactivate()
//-----------------------------------------------------------------------------
void LLKeyframeMotionParam::onDeactivate()
{
for (motion_map_t::iterator iter = mParameterizedMotions.begin();
iter != mParameterizedMotions.end(); ++iter)
{
motion_list_t& motionList = iter->second;
for (motion_list_t::iterator iter2 = motionList.begin(); iter2 != motionList.end(); ++iter2)
{
const ParameterizedMotion& paramMotion = *iter2;
paramMotion.mMotion->onDeactivate();
}
}
}
//-----------------------------------------------------------------------------
// LLKeyframeMotionParam::addKeyframeMotion()
//-----------------------------------------------------------------------------
BOOL LLKeyframeMotionParam::addKeyframeMotion(char *name, const LLUUID &id, char *param, F32 value)
{
LLMotion *newMotion = mCharacter->createMotion( id );
if (!newMotion)
{
return FALSE;
}
newMotion->setName(name);
// now add motion to this list
mParameterizedMotions[param].insert(ParameterizedMotion(newMotion, value));
return TRUE;
}
//-----------------------------------------------------------------------------
// LLKeyframeMotionParam::setDefaultKeyframeMotion()
//-----------------------------------------------------------------------------
void LLKeyframeMotionParam::setDefaultKeyframeMotion(char *name)
{
for (motion_map_t::iterator iter = mParameterizedMotions.begin();
iter != mParameterizedMotions.end(); ++iter)
{
motion_list_t& motionList = iter->second;
for (motion_list_t::iterator iter2 = motionList.begin(); iter2 != motionList.end(); ++iter2)
{
const ParameterizedMotion& paramMotion = *iter2;
if (paramMotion.mMotion->getName() == name)
{
mDefaultKeyframeMotion = paramMotion.mMotion;
}
}
}
}
//-----------------------------------------------------------------------------
// loadMotions()
//-----------------------------------------------------------------------------
BOOL LLKeyframeMotionParam::loadMotions()
{
//-------------------------------------------------------------------------
// Load named file by concatenating the character prefix with the motion name.
// Load data into a buffer to be parsed.
//-------------------------------------------------------------------------
//std::string path = gDirUtilp->getExpandedFilename(LL_PATH_MOTIONS,mCharacter->getAnimationPrefix())
// + "_" + getName() + ".llp";
//RN: deprecated unused reference to "motion" directory
std::string path;
//-------------------------------------------------------------------------
// open the file
//-------------------------------------------------------------------------
S32 fileSize = 0;
LLAPRFile infile(path, LL_APR_R, &fileSize);
apr_file_t* fp = infile.getFileHandle() ;
if (!fp || fileSize == 0)
{
llinfos << "ERROR: can't open: " << path << llendl;
return FALSE;
}
// allocate a text buffer
try
{
std::vector<char> text(fileSize+1);
//-------------------------------------------------------------------------
// load data from file into buffer
//-------------------------------------------------------------------------
bool error = false;
char *p = &text[0];
while ( 1 )
{
if (apr_file_eof(fp) == APR_EOF)
{
break;
}
if (apr_file_gets(p, 1024, fp) != APR_SUCCESS)
{
error = true;
break;
}
while ( *(++p) )
;
}
//-------------------------------------------------------------------------
// close the file
//-------------------------------------------------------------------------
infile.close();
//-------------------------------------------------------------------------
// check for error
//-------------------------------------------------------------------------
llassert( p <= (&text[0] + fileSize) );
if ( error )
{
llinfos << "ERROR: error while reading from " << path << llendl;
return FALSE;
}
llinfos << "Loading parametric keyframe data for: " << getName() << llendl;
//-------------------------------------------------------------------------
// parse the text and build keyframe data structures
//-------------------------------------------------------------------------
p = &text[0];
S32 num;
char strA[80]; /* Flawfinder: ignore */
char strB[80]; /* Flawfinder: ignore */
F32 floatA = 0.0f;
//-------------------------------------------------------------------------
// get priority
//-------------------------------------------------------------------------
BOOL isFirstMotion = TRUE;
num = sscanf(p, "%79s %79s %f", strA, strB, &floatA); /* Flawfinder: ignore */
while(1)
{
if (num == 0 || num == EOF) break;
if ((num != 3))
{
llinfos << "WARNING: can't read parametric motion" << llendl;
return FALSE;
}
addKeyframeMotion(strA, gAnimLibrary.stringToAnimState(std::string(strA)), strB, floatA);
if (isFirstMotion)
{
isFirstMotion = FALSE;
setDefaultKeyframeMotion(strA);
}
p = strstr(p, "\n");
if (!p)
{
break;
}
p++;
num = sscanf(p, "%79s %79s %f", strA, strB, &floatA); /* Flawfinder: ignore */
}
return TRUE;
}
catch(std::bad_alloc)
{
llinfos << "ERROR: Unable to allocate keyframe text buffer." << llendl;
return FALSE;
}
}
// End