Files
SingularityViewer/indra/llprimitive/llmodelloader.cpp
2016-05-10 21:08:20 -04:00

645 lines
18 KiB
C++

/**
* @file llmodelloader.cpp
* @brief LLModelLoader class implementation
*
* $LicenseInfo:firstyear=2004&license=viewerlgpl$
* Second Life Viewer Source Code
* Copyright (C) 2010, Linden Research, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License only.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
* $/LicenseInfo$
*/
#include "llmodelloader.h"
#include "llsdserialize.h"
#include "lljoint.h"
#include "llcallbacklist.h"
#include "llmatrix4a.h"
#include <boost/bind.hpp>
#include "apr_time.h"
std::list<LLModelLoader*> LLModelLoader::sActiveLoaderList;
void stretch_extents(LLModel* model, LLMatrix4a& mat, LLVector4a& min, LLVector4a& max, BOOL& first_transform)
{
LLVector4a box[] =
{
LLVector4a(-1, 1,-1),
LLVector4a(-1, 1, 1),
LLVector4a(-1,-1,-1),
LLVector4a(-1,-1, 1),
LLVector4a( 1, 1,-1),
LLVector4a( 1, 1, 1),
LLVector4a( 1,-1,-1),
LLVector4a( 1,-1, 1),
};
for (S32 j = 0; j < model->getNumVolumeFaces(); ++j)
{
const LLVolumeFace& face = model->getVolumeFace(j);
LLVector4a center;
center.setAdd(face.mExtents[0], face.mExtents[1]);
center.mul(0.5f);
LLVector4a size;
size.setSub(face.mExtents[1],face.mExtents[0]);
size.mul(0.5f);
for (U32 i = 0; i < 8; i++)
{
LLVector4a t;
t.setMul(size, box[i]);
t.add(center);
LLVector4a v;
mat.affineTransform(t, v);
if (first_transform)
{
first_transform = FALSE;
min = max = v;
}
else
{
update_min_max(min, max, v);
}
}
}
}
void stretch_extents(LLModel* model, LLMatrix4& mat, LLVector3& min, LLVector3& max, BOOL& first_transform)
{
LLVector4a mina, maxa;
LLMatrix4a mata;
mata.loadu(mat);
mina.load3(min.mV);
maxa.load3(max.mV);
stretch_extents(model, mata, mina, maxa, first_transform);
min.set(mina.getF32ptr());
max.set(maxa.getF32ptr());
}
//-----------------------------------------------------------------------------
// LLModelLoader
//-----------------------------------------------------------------------------
LLModelLoader::LLModelLoader(
std::string filename,
S32 lod,
load_callback_t load_cb,
joint_lookup_func_t joint_lookup_func,
texture_load_func_t texture_load_func,
state_callback_t state_cb,
void* opaque_userdata,
JointTransformMap& jointMap,
JointSet& jointsFromNodes )
: mJointList( jointMap )
, mJointsFromNode( jointsFromNodes )
, LLThread("Model Loader")
, mFilename(filename)
, mLod(lod)
, mTrySLM(false)
, mFirstTransform(TRUE)
, mNumOfFetchingTextures(0)
, mLoadCallback(load_cb)
, mJointLookupFunc(joint_lookup_func)
, mTextureLoadFunc(texture_load_func)
, mStateCallback(state_cb)
, mOpaqueData(opaque_userdata)
, mRigParityWithScene(false)
, mRigValidJointUpload(false)
, mLegacyRigValid(false)
, mNoNormalize(false)
, mNoOptimize(false)
, mCacheOnlyHitIfRigged(false)
{
mJointMap["mPelvis"] = "mPelvis";
mJointMap["mTorso"] = "mTorso";
mJointMap["mChest"] = "mChest";
mJointMap["mNeck"] = "mNeck";
mJointMap["mHead"] = "mHead";
mJointMap["mSkull"] = "mSkull";
mJointMap["mEyeRight"] = "mEyeRight";
mJointMap["mEyeLeft"] = "mEyeLeft";
mJointMap["mCollarLeft"] = "mCollarLeft";
mJointMap["mShoulderLeft"] = "mShoulderLeft";
mJointMap["mElbowLeft"] = "mElbowLeft";
mJointMap["mWristLeft"] = "mWristLeft";
mJointMap["mCollarRight"] = "mCollarRight";
mJointMap["mShoulderRight"] = "mShoulderRight";
mJointMap["mElbowRight"] = "mElbowRight";
mJointMap["mWristRight"] = "mWristRight";
mJointMap["mHipRight"] = "mHipRight";
mJointMap["mKneeRight"] = "mKneeRight";
mJointMap["mAnkleRight"] = "mAnkleRight";
mJointMap["mFootRight"] = "mFootRight";
mJointMap["mToeRight"] = "mToeRight";
mJointMap["mHipLeft"] = "mHipLeft";
mJointMap["mKneeLeft"] = "mKneeLeft";
mJointMap["mAnkleLeft"] = "mAnkleLeft";
mJointMap["mFootLeft"] = "mFootLeft";
mJointMap["mToeLeft"] = "mToeLeft";
mJointMap["avatar_mPelvis"] = "mPelvis";
mJointMap["avatar_mTorso"] = "mTorso";
mJointMap["avatar_mChest"] = "mChest";
mJointMap["avatar_mNeck"] = "mNeck";
mJointMap["avatar_mHead"] = "mHead";
mJointMap["avatar_mSkull"] = "mSkull";
mJointMap["avatar_mEyeRight"] = "mEyeRight";
mJointMap["avatar_mEyeLeft"] = "mEyeLeft";
mJointMap["avatar_mCollarLeft"] = "mCollarLeft";
mJointMap["avatar_mShoulderLeft"] = "mShoulderLeft";
mJointMap["avatar_mElbowLeft"] = "mElbowLeft";
mJointMap["avatar_mWristLeft"] = "mWristLeft";
mJointMap["avatar_mCollarRight"] = "mCollarRight";
mJointMap["avatar_mShoulderRight"] = "mShoulderRight";
mJointMap["avatar_mElbowRight"] = "mElbowRight";
mJointMap["avatar_mWristRight"] = "mWristRight";
mJointMap["avatar_mHipRight"] = "mHipRight";
mJointMap["avatar_mKneeRight"] = "mKneeRight";
mJointMap["avatar_mAnkleRight"] = "mAnkleRight";
mJointMap["avatar_mFootRight"] = "mFootRight";
mJointMap["avatar_mToeRight"] = "mToeRight";
mJointMap["avatar_mHipLeft"] = "mHipLeft";
mJointMap["avatar_mKneeLeft"] = "mKneeLeft";
mJointMap["avatar_mAnkleLeft"] = "mAnkleLeft";
mJointMap["avatar_mFootLeft"] = "mFootLeft";
mJointMap["avatar_mToeLeft"] = "mToeLeft";
mJointMap["hip"] = "mPelvis";
mJointMap["abdomen"] = "mTorso";
mJointMap["chest"] = "mChest";
mJointMap["neck"] = "mNeck";
mJointMap["head"] = "mHead";
mJointMap["figureHair"] = "mSkull";
mJointMap["lCollar"] = "mCollarLeft";
mJointMap["lShldr"] = "mShoulderLeft";
mJointMap["lForeArm"] = "mElbowLeft";
mJointMap["lHand"] = "mWristLeft";
mJointMap["rCollar"] = "mCollarRight";
mJointMap["rShldr"] = "mShoulderRight";
mJointMap["rForeArm"] = "mElbowRight";
mJointMap["rHand"] = "mWristRight";
mJointMap["rThigh"] = "mHipRight";
mJointMap["rShin"] = "mKneeRight";
mJointMap["rFoot"] = "mFootRight";
mJointMap["lThigh"] = "mHipLeft";
mJointMap["lShin"] = "mKneeLeft";
mJointMap["lFoot"] = "mFootLeft";
//move into joint mapper class
//1. joints for joint offset verification
mMasterJointList.push_front("mPelvis");
mMasterJointList.push_front("mTorso");
mMasterJointList.push_front("mChest");
mMasterJointList.push_front("mNeck");
mMasterJointList.push_front("mHead");
mMasterJointList.push_front("mCollarLeft");
mMasterJointList.push_front("mShoulderLeft");
mMasterJointList.push_front("mElbowLeft");
mMasterJointList.push_front("mWristLeft");
mMasterJointList.push_front("mCollarRight");
mMasterJointList.push_front("mShoulderRight");
mMasterJointList.push_front("mElbowRight");
mMasterJointList.push_front("mWristRight");
mMasterJointList.push_front("mHipRight");
mMasterJointList.push_front("mKneeRight");
mMasterJointList.push_front("mFootRight");
mMasterJointList.push_front("mHipLeft");
mMasterJointList.push_front("mKneeLeft");
mMasterJointList.push_front("mFootLeft");
//2. legacy joint list - used to verify rigs that will not be using joint offsets
mMasterLegacyJointList.push_front("mPelvis");
mMasterLegacyJointList.push_front("mTorso");
mMasterLegacyJointList.push_front("mChest");
mMasterLegacyJointList.push_front("mNeck");
mMasterLegacyJointList.push_front("mHead");
mMasterLegacyJointList.push_front("mHipRight");
mMasterLegacyJointList.push_front("mKneeRight");
mMasterLegacyJointList.push_front("mFootRight");
mMasterLegacyJointList.push_front("mHipLeft");
mMasterLegacyJointList.push_front("mKneeLeft");
mMasterLegacyJointList.push_front("mFootLeft");
assert_main_thread();
sActiveLoaderList.push_back(this) ;
}
LLModelLoader::~LLModelLoader()
{
assert_main_thread();
sActiveLoaderList.remove(this);
}
void LLModelLoader::run()
{
doLoadModel();
doOnIdleOneTime(boost::bind(&LLModelLoader::loadModelCallback,this));
}
bool LLModelLoader::doLoadModel()
{
//first, look for a .slm file of the same name that was modified later
//than the .dae
if (mTrySLM)
{
std::string filename = mFilename;
std::string::size_type i = filename.rfind(".");
if (i != std::string::npos)
{
filename.replace(i, filename.size()-1, ".slm");
llstat slm_status;
if (LLFile::stat(filename, &slm_status) == 0)
{ //slm file exists
llstat dae_status;
if (LLFile::stat(mFilename, &dae_status) != 0 ||
dae_status.st_mtime < slm_status.st_mtime)
{
if (loadFromSLM(filename))
{ //slm successfully loaded, if this fails, fall through and
//try loading from dae
mLod = -1; //successfully loading from an slm implicitly sets all
//LoDs
return true;
}
}
}
}
}
return OpenFile(mFilename);
}
void LLModelLoader::setLoadState(U32 state)
{
mStateCallback(state, mOpaqueData);
}
bool LLModelLoader::loadFromSLM(const std::string& filename)
{
//only need to populate mScene with data from slm
llstat stat;
if (LLFile::stat(filename, &stat))
{ //file does not exist
return false;
}
S32 file_size = (S32) stat.st_size;
llifstream ifstream(filename.c_str(), std::ifstream::in | std::ifstream::binary);
LLSD data;
LLSDSerialize::fromBinary(data, ifstream, file_size);
ifstream.close();
//build model list for each LoD
model_list model[LLModel::NUM_LODS];
if (data["version"].asInteger() != SLM_SUPPORTED_VERSION)
{ //unsupported version
return false;
}
LLSD& mesh = data["mesh"];
LLVolumeParams volume_params;
volume_params.setType(LL_PCODE_PROFILE_SQUARE, LL_PCODE_PATH_LINE);
for (S32 lod = 0; lod < LLModel::NUM_LODS; ++lod)
{
for (U32 i = 0; i < (U32)mesh.size(); ++i)
{
std::stringstream str(mesh[i].asString());
LLPointer<LLModel> loaded_model = new LLModel(volume_params, (F32) lod);
if (loaded_model->loadModel(str))
{
loaded_model->mLocalID = i;
model[lod].push_back(loaded_model);
if (lod == LLModel::LOD_HIGH)
{
if (!loaded_model->mSkinInfo.mJointNames.empty())
{
//check to see if rig is valid
critiqueRigForUploadApplicability( loaded_model->mSkinInfo.mJointNames );
}
else if (mCacheOnlyHitIfRigged)
{
return false;
}
}
}
}
}
if (model[LLModel::LOD_HIGH].empty())
{ //failed to load high lod
return false;
}
//load instance list
model_instance_list instance_list;
LLSD& instance = data["instance"];
for (U32 i = 0; i < (U32)instance.size(); ++i)
{
//deserialize instance list
instance_list.push_back(LLModelInstance(instance[i]));
//match up model instance pointers
S32 idx = instance_list[i].mLocalMeshID;
std::string instance_label = instance_list[i].mLabel;
for (U32 lod = 0; lod < LLModel::NUM_LODS; ++lod)
{
if (!model[lod].empty())
{
if (idx >= model[lod].size())
{
if (model[lod].size())
{
instance_list[i].mLOD[lod] = model[lod][0];
}
else
{
instance_list[i].mLOD[lod] = NULL;
}
continue;
}
if (model[lod][idx]
&& model[lod][idx]->mLabel.empty()
&& !instance_label.empty())
{
// restore model names
std::string name = instance_label;
switch (lod)
{
case LLModel::LOD_IMPOSTOR: name += "_LOD0"; break;
case LLModel::LOD_LOW: name += "_LOD1"; break;
case LLModel::LOD_MEDIUM: name += "_LOD2"; break;
case LLModel::LOD_PHYSICS: name += "_PHYS"; break;
case LLModel::LOD_HIGH: break;
}
model[lod][idx]->mLabel = name;
}
instance_list[i].mLOD[lod] = model[lod][idx];
}
}
if (!instance_list[i].mModel)
instance_list[i].mModel = model[LLModel::LOD_HIGH][idx];
}
// Set name for UI to use
std::string name = data["name"];
if (!name.empty())
{
model[LLModel::LOD_HIGH][0]->mRequestedLabel = name;
}
//convert instance_list to mScene
mFirstTransform = TRUE;
for (U32 i = 0; i < instance_list.size(); ++i)
{
LLModelInstance& cur_instance = instance_list[i];
mScene[cur_instance.mTransform].push_back(cur_instance);
stretch_extents(cur_instance.mModel, cur_instance.mTransform, mExtents[0], mExtents[1], mFirstTransform);
}
setLoadState( DONE );
return true;
}
//static
bool LLModelLoader::isAlive(LLModelLoader* loader)
{
if(!loader)
{
return false ;
}
std::list<LLModelLoader*>::iterator iter = sActiveLoaderList.begin() ;
for(; iter != sActiveLoaderList.end() && (*iter) != loader; ++iter) ;
return *iter == loader ;
}
void LLModelLoader::loadModelCallback()
{
mLoadCallback(mScene,mModelList,mLod, mOpaqueData);
while (!isStopped())
{ //wait until this thread is stopped before deleting self
apr_sleep(100);
}
//double check if "this" is valid before deleting it, in case it is aborted during running.
if(!isAlive(this))
{
return ;
}
delete this;
}
//-----------------------------------------------------------------------------
// critiqueRigForUploadApplicability()
//-----------------------------------------------------------------------------
void LLModelLoader::critiqueRigForUploadApplicability( const std::vector<std::string> &jointListFromAsset )
{
critiqueJointToNodeMappingFromScene();
//Determines the following use cases for a rig:
//1. It is suitable for upload with skin weights & joint positions, or
//2. It is suitable for upload as standard av with just skin weights
bool isJointPositionUploadOK = isRigSuitableForJointPositionUpload( jointListFromAsset );
bool isRigLegacyOK = isRigLegacy( jointListFromAsset );
//It's OK that both could end up being true, both default to false
if ( isJointPositionUploadOK )
{
setRigValidForJointPositionUpload( true );
}
if ( isRigLegacyOK)
{
setLegacyRigValid( true );
}
}
//-----------------------------------------------------------------------------
// critiqueJointToNodeMappingFromScene()
//-----------------------------------------------------------------------------
void LLModelLoader::critiqueJointToNodeMappingFromScene( void )
{
//Do the actual nodes back the joint listing from the dae?
//if yes then this is a fully rigged asset, otherwise it's just a partial rig
JointSet::iterator jointsFromNodeIt = mJointsFromNode.begin();
JointSet::iterator jointsFromNodeEndIt = mJointsFromNode.end();
bool result = true;
if ( !mJointsFromNode.empty() )
{
for ( ;jointsFromNodeIt!=jointsFromNodeEndIt;++jointsFromNodeIt )
{
std::string name = *jointsFromNodeIt;
if ( mJointTransformMap.find( name ) != mJointTransformMap.end() )
{
continue;
}
else
{
LL_INFOS() <<"critiqueJointToNodeMappingFromScene is missing a: " << name << LL_ENDL;
result = false;
}
}
}
else
{
result = false;
}
//Determines the following use cases for a rig:
//1. Full av rig w/1-1 mapping from the scene and joint array
//2. Partial rig but w/o parity between the scene and joint array
if ( result )
{
setRigWithSceneParity( true );
}
}
//-----------------------------------------------------------------------------
// isRigLegacy()
//-----------------------------------------------------------------------------
bool LLModelLoader::isRigLegacy( const std::vector<std::string> &jointListFromAsset )
{
//No joints in asset
if ( jointListFromAsset.size() == 0 )
{
return false;
}
bool result = false;
JointSet :: const_iterator masterJointIt = mMasterLegacyJointList.begin();
JointSet :: const_iterator masterJointEndIt = mMasterLegacyJointList.end();
std::vector<std::string> :: const_iterator modelJointIt = jointListFromAsset.begin();
std::vector<std::string> :: const_iterator modelJointItEnd = jointListFromAsset.end();
for ( ;masterJointIt!=masterJointEndIt;++masterJointIt )
{
result = false;
modelJointIt = jointListFromAsset.begin();
for ( ;modelJointIt!=modelJointItEnd; ++modelJointIt )
{
if ( *masterJointIt == *modelJointIt )
{
result = true;
break;
}
}
if ( !result )
{
LL_INFOS() <<" Asset did not contain the joint (if you're u/l a fully rigged asset w/joint positions - it is required)." << *masterJointIt<< LL_ENDL;
break;
}
}
return result;
}
//-----------------------------------------------------------------------------
// isRigSuitableForJointPositionUpload()
//-----------------------------------------------------------------------------
bool LLModelLoader::isRigSuitableForJointPositionUpload( const std::vector<std::string> &jointListFromAsset )
{
bool result = false;
JointSet :: const_iterator masterJointIt = mMasterJointList.begin();
JointSet :: const_iterator masterJointEndIt = mMasterJointList.end();
std::vector<std::string> :: const_iterator modelJointIt = jointListFromAsset.begin();
std::vector<std::string> :: const_iterator modelJointItEnd = jointListFromAsset.end();
for ( ;masterJointIt!=masterJointEndIt;++masterJointIt )
{
result = false;
modelJointIt = jointListFromAsset.begin();
for ( ;modelJointIt!=modelJointItEnd; ++modelJointIt )
{
if ( *masterJointIt == *modelJointIt )
{
result = true;
break;
}
}
if ( !result )
{
LL_INFOS() <<" Asset did not contain the joint (if you're u/l a fully rigged asset w/joint positions - it is required)." << *masterJointIt<< LL_ENDL;
break;
}
}
return result;
}
//called in the main thread
void LLModelLoader::loadTextures()
{
BOOL is_paused = isPaused() ;
pause() ; //pause the loader
for(scene::iterator iter = mScene.begin(); iter != mScene.end(); ++iter)
{
for(U32 i = 0 ; i < iter->second.size(); i++)
{
for(std::map<std::string, LLImportMaterial>::iterator j = iter->second[i].mMaterial.begin();
j != iter->second[i].mMaterial.end(); ++j)
{
LLImportMaterial& material = j->second;
if(!material.mDiffuseMapFilename.empty())
{
mNumOfFetchingTextures += mTextureLoadFunc(material, mOpaqueData);
}
}
}
}
if(!is_paused)
{
unpause() ;
}
}