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Build Assimp from source

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Dane Johnson
2021-03-15 13:46:19 -05:00
parent b7a83a2876
commit a41fcbe7f4
2126 changed files with 1385127 additions and 40 deletions
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308
thirdparty/assimp/code/CSM/CSMLoader.cpp vendored Normal file
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/*
---------------------------------------------------------------------------
Open Asset Import Library (assimp)
---------------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the following
conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
---------------------------------------------------------------------------
*/
/** @file CSMLoader.cpp
* Implementation of the CSM importer class.
*/
#ifndef ASSIMP_BUILD_NO_CSM_IMPORTER
#include "CSMLoader.h"
#include <assimp/SkeletonMeshBuilder.h>
#include <assimp/ParsingUtils.h>
#include <assimp/fast_atof.h>
#include <assimp/Importer.hpp>
#include <memory>
#include <assimp/IOSystem.hpp>
#include <assimp/anim.h>
#include <assimp/DefaultLogger.hpp>
#include <assimp/scene.h>
#include <assimp/importerdesc.h>
using namespace Assimp;
static const aiImporterDesc desc = {
"CharacterStudio Motion Importer (MoCap)",
"",
"",
"",
aiImporterFlags_SupportTextFlavour,
0,
0,
0,
0,
"csm"
};
// ------------------------------------------------------------------------------------------------
// Constructor to be privately used by Importer
CSMImporter::CSMImporter()
: noSkeletonMesh()
{}
// ------------------------------------------------------------------------------------------------
// Destructor, private as well
CSMImporter::~CSMImporter()
{}
// ------------------------------------------------------------------------------------------------
// Returns whether the class can handle the format of the given file.
bool CSMImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool checkSig) const
{
// check file extension
const std::string extension = GetExtension(pFile);
if( extension == "csm")
return true;
if ((checkSig || !extension.length()) && pIOHandler) {
const char* tokens[] = {"$Filename"};
return SearchFileHeaderForToken(pIOHandler,pFile,tokens,1);
}
return false;
}
// ------------------------------------------------------------------------------------------------
// Build a string of all file extensions supported
const aiImporterDesc* CSMImporter::GetInfo () const
{
return &desc;
}
// ------------------------------------------------------------------------------------------------
// Setup configuration properties for the loader
void CSMImporter::SetupProperties(const Importer* pImp)
{
noSkeletonMesh = pImp->GetPropertyInteger(AI_CONFIG_IMPORT_NO_SKELETON_MESHES,0) != 0;
}
// ------------------------------------------------------------------------------------------------
// Imports the given file into the given scene structure.
void CSMImporter::InternReadFile( const std::string& pFile,
aiScene* pScene, IOSystem* pIOHandler)
{
std::unique_ptr<IOStream> file( pIOHandler->Open( pFile, "rb"));
// Check whether we can read from the file
if( file.get() == NULL) {
throw DeadlyImportError( "Failed to open CSM file " + pFile + ".");
}
// allocate storage and copy the contents of the file to a memory buffer
std::vector<char> mBuffer2;
TextFileToBuffer(file.get(),mBuffer2);
const char* buffer = &mBuffer2[0];
std::unique_ptr<aiAnimation> anim(new aiAnimation());
int first = 0, last = 0x00ffffff;
// now process the file and look out for '$' sections
while (1) {
SkipSpaces(&buffer);
if ('\0' == *buffer)
break;
if ('$' == *buffer) {
++buffer;
if (TokenMatchI(buffer,"firstframe",10)) {
SkipSpaces(&buffer);
first = strtol10(buffer,&buffer);
}
else if (TokenMatchI(buffer,"lastframe",9)) {
SkipSpaces(&buffer);
last = strtol10(buffer,&buffer);
}
else if (TokenMatchI(buffer,"rate",4)) {
SkipSpaces(&buffer);
float d;
buffer = fast_atoreal_move<float>(buffer,d);
anim->mTicksPerSecond = d;
}
else if (TokenMatchI(buffer,"order",5)) {
std::vector< aiNodeAnim* > anims_temp;
anims_temp.reserve(30);
while (1) {
SkipSpaces(&buffer);
if (IsLineEnd(*buffer) && SkipSpacesAndLineEnd(&buffer) && *buffer == '$')
break; // next section
// Construct a new node animation channel and setup its name
anims_temp.push_back(new aiNodeAnim());
aiNodeAnim* nda = anims_temp.back();
char* ot = nda->mNodeName.data;
while (!IsSpaceOrNewLine(*buffer))
*ot++ = *buffer++;
*ot = '\0';
nda->mNodeName.length = (size_t)(ot-nda->mNodeName.data);
}
anim->mNumChannels = static_cast<unsigned int>(anims_temp.size());
if (!anim->mNumChannels)
throw DeadlyImportError("CSM: Empty $order section");
// copy over to the output animation
anim->mChannels = new aiNodeAnim*[anim->mNumChannels];
::memcpy(anim->mChannels,&anims_temp[0],sizeof(aiNodeAnim*)*anim->mNumChannels);
}
else if (TokenMatchI(buffer,"points",6)) {
if (!anim->mNumChannels)
throw DeadlyImportError("CSM: \'$order\' section is required to appear prior to \'$points\'");
// If we know how many frames we'll read, we can preallocate some storage
unsigned int alloc = 100;
if (last != 0x00ffffff)
{
alloc = last-first;
alloc += alloc>>2u; // + 25%
for (unsigned int i = 0; i < anim->mNumChannels;++i)
anim->mChannels[i]->mPositionKeys = new aiVectorKey[alloc];
}
unsigned int filled = 0;
// Now read all point data.
while (1) {
SkipSpaces(&buffer);
if (IsLineEnd(*buffer) && (!SkipSpacesAndLineEnd(&buffer) || *buffer == '$')) {
break; // next section
}
// read frame
const int frame = ::strtoul10(buffer,&buffer);
last = std::max(frame,last);
first = std::min(frame,last);
for (unsigned int i = 0; i < anim->mNumChannels;++i) {
aiNodeAnim* s = anim->mChannels[i];
if (s->mNumPositionKeys == alloc) { /* need to reallocate? */
aiVectorKey* old = s->mPositionKeys;
s->mPositionKeys = new aiVectorKey[s->mNumPositionKeys = alloc*2];
::memcpy(s->mPositionKeys,old,sizeof(aiVectorKey)*alloc);
delete[] old;
}
// read x,y,z
if(!SkipSpacesAndLineEnd(&buffer))
throw DeadlyImportError("CSM: Unexpected EOF occurred reading sample x coord");
if (TokenMatchI(buffer, "DROPOUT", 7)) {
// seems this is invalid marker data; at least the doc says it's possible
ASSIMP_LOG_WARN("CSM: Encountered invalid marker data (DROPOUT)");
}
else {
aiVectorKey* sub = s->mPositionKeys + s->mNumPositionKeys;
sub->mTime = (double)frame;
buffer = fast_atoreal_move<float>(buffer, (float&)sub->mValue.x);
if(!SkipSpacesAndLineEnd(&buffer))
throw DeadlyImportError("CSM: Unexpected EOF occurred reading sample y coord");
buffer = fast_atoreal_move<float>(buffer, (float&)sub->mValue.y);
if(!SkipSpacesAndLineEnd(&buffer))
throw DeadlyImportError("CSM: Unexpected EOF occurred reading sample z coord");
buffer = fast_atoreal_move<float>(buffer, (float&)sub->mValue.z);
++s->mNumPositionKeys;
}
}
// update allocation granularity
if (filled == alloc)
alloc *= 2;
++filled;
}
// all channels must be complete in order to continue safely.
for (unsigned int i = 0; i < anim->mNumChannels;++i) {
if (!anim->mChannels[i]->mNumPositionKeys)
throw DeadlyImportError("CSM: Invalid marker track");
}
}
}
else {
// advance to the next line
SkipLine(&buffer);
}
}
// Setup a proper animation duration
anim->mDuration = last - std::min( first, 0 );
// build a dummy root node with the tiny markers as children
pScene->mRootNode = new aiNode();
pScene->mRootNode->mName.Set("$CSM_DummyRoot");
pScene->mRootNode->mNumChildren = anim->mNumChannels;
pScene->mRootNode->mChildren = new aiNode* [anim->mNumChannels];
for (unsigned int i = 0; i < anim->mNumChannels;++i) {
aiNodeAnim* na = anim->mChannels[i];
aiNode* nd = pScene->mRootNode->mChildren[i] = new aiNode();
nd->mName = anim->mChannels[i]->mNodeName;
nd->mParent = pScene->mRootNode;
aiMatrix4x4::Translation(na->mPositionKeys[0].mValue, nd->mTransformation);
}
// Store the one and only animation in the scene
pScene->mAnimations = new aiAnimation*[pScene->mNumAnimations=1];
anim->mName.Set("$CSM_MasterAnim");
pScene->mAnimations[0] = anim.release();
// mark the scene as incomplete and run SkeletonMeshBuilder on it
pScene->mFlags |= AI_SCENE_FLAGS_INCOMPLETE;
if (!noSkeletonMesh) {
SkeletonMeshBuilder maker(pScene,pScene->mRootNode,true);
}
}
#endif // !! ASSIMP_BUILD_NO_CSM_IMPORTER

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thirdparty/assimp/code/CSM/CSMLoader.h vendored Normal file
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/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------
Copyright (c) 2006-2019, assimp team
All rights reserved.
Redistribution and use of this software in source and binary forms,
with or without modification, are permitted provided that the
following conditions are met:
* Redistributions of source code must retain the above
copyright notice, this list of conditions and the
following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the
following disclaimer in the documentation and/or other
materials provided with the distribution.
* Neither the name of the assimp team, nor the names of its
contributors may be used to endorse or promote products
derived from this software without specific prior
written permission of the assimp team.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
----------------------------------------------------------------------
*/
/** @file CSMLoader.h
* Declaration of the CharacterStudio Motion importer class.
*/
#ifndef INCLUDED_AI_CSM_LOADER_H
#define INCLUDED_AI_CSM_LOADER_H
#include <assimp/BaseImporter.h>
namespace Assimp {
// ---------------------------------------------------------------------------
/** Importer class to load MOCAPs in CharacterStudio Motion format.
*
* A very rudimentary loader for the moment. No support for the hierarchy,
* every marker is returned as child of root.
*
* Link to file format specification:
* <max_8_dvd>\samples\Motion\Docs\CSM.rtf
*/
class CSMImporter : public BaseImporter
{
public:
CSMImporter();
~CSMImporter();
public:
// -------------------------------------------------------------------
bool CanRead( const std::string& pFile, IOSystem* pIOHandler,
bool checkSig) const;
protected:
// -------------------------------------------------------------------
const aiImporterDesc* GetInfo () const;
// -------------------------------------------------------------------
void SetupProperties(const Importer* pImp);
// -------------------------------------------------------------------
void InternReadFile( const std::string& pFile, aiScene* pScene,
IOSystem* pIOHandler);
private:
bool noSkeletonMesh;
}; // end of class CSMImporter
} // end of namespace Assimp
#endif // AI_AC3DIMPORTER_H_INC