1224 lines
33 KiB
C++
1224 lines
33 KiB
C++
/*
|
|
---------------------------------------------------------------------------
|
|
Open Asset Import Library (ASSIMP)
|
|
---------------------------------------------------------------------------
|
|
|
|
Copyright (c) 2006-2008, ASSIMP Development 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 Development 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 Implementation of the XFile parser helper class */
|
|
#include "XFileParser.h"
|
|
#include "XFileHelper.h"
|
|
#include "BaseImporter.h"
|
|
#include "fast_atof.h"
|
|
|
|
#include <boost/format.hpp>
|
|
|
|
using namespace Assimp;
|
|
using namespace Assimp::XFile;
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Constructor. Creates a data structure out of the XFile given in the memory block.
|
|
XFileParser::XFileParser( const std::vector<char>& pBuffer)
|
|
{
|
|
mMajorVersion = mMinorVersion = 0;
|
|
mIsBinaryFormat = false;
|
|
mBinaryNumCount = 0;
|
|
P = End = NULL;
|
|
mLineNumber = 0;
|
|
mScene = NULL;
|
|
|
|
// set up memory pointers
|
|
P = &pBuffer.front();
|
|
End = P + pBuffer.size();
|
|
|
|
// check header
|
|
if( strncmp( P, "xof ", 4) != 0)
|
|
throw new ImportErrorException( "Header mismatch, file is not an XFile.");
|
|
|
|
// read version. It comes in a four byte format such as "0302"
|
|
mMajorVersion = (unsigned int)(P[4] - 48) * 10 + (unsigned int)(P[5] - 48);
|
|
mMinorVersion = (unsigned int)(P[6] - 48) * 10 + (unsigned int)(P[7] - 48);
|
|
|
|
// read format
|
|
if( strncmp( P + 8, "txt ", 4) == 0)
|
|
mIsBinaryFormat = false;
|
|
else if( strncmp( P + 8, "bin ", 4) == 0)
|
|
mIsBinaryFormat = true;
|
|
else
|
|
ThrowException( boost::str( boost::format( "Unsupported xfile format '%c%c%c%c'") % P[8] % P[9] % P[10] % P[11]));
|
|
|
|
// float size
|
|
mBinaryFloatSize = (unsigned int)(P[12] - 48) * 1000
|
|
+ (unsigned int)(P[13] - 48) * 100
|
|
+ (unsigned int)(P[14] - 48) * 10
|
|
+ (unsigned int)(P[15] - 48);
|
|
|
|
if( mBinaryFloatSize != 32 && mBinaryFloatSize != 64)
|
|
ThrowException( boost::str( boost::format( "Unknown float size %1% specified in xfile header.") % mBinaryFloatSize));
|
|
|
|
// start reading here
|
|
P += 16;
|
|
ReadUntilEndOfLine();
|
|
|
|
mScene = new Scene;
|
|
ParseFile();
|
|
|
|
// filter the imported hierarchy for some degenerated cases
|
|
if( mScene->mRootNode)
|
|
FilterHierarchy( mScene->mRootNode);
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Destructor. Destroys all imported data along with it
|
|
XFileParser::~XFileParser()
|
|
{
|
|
// kill everything we created
|
|
delete mScene;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseFile()
|
|
{
|
|
while( 1)
|
|
{
|
|
// read name of next object
|
|
std::string objectName = GetNextToken();
|
|
if (objectName.length() == 0)
|
|
break;
|
|
|
|
// parse specific object
|
|
if( objectName == "template")
|
|
ParseDataObjectTemplate();
|
|
else
|
|
if( objectName == "Frame")
|
|
ParseDataObjectFrame( NULL);
|
|
else
|
|
if( objectName == "Mesh")
|
|
{
|
|
// some meshes have no frames at all
|
|
Mesh* mesh = new Mesh;
|
|
ParseDataObjectMesh( mesh);
|
|
mScene->mGlobalMeshes.push_back( mesh);
|
|
} else
|
|
if( objectName == "AnimTicksPerSecond")
|
|
ParseDataObjectAnimTicksPerSecond();
|
|
else
|
|
if( objectName == "AnimationSet")
|
|
ParseDataObjectAnimationSet();
|
|
else
|
|
if( objectName == "Material")
|
|
{
|
|
// Material outside of a mesh or node
|
|
Material material;
|
|
ParseDataObjectMaterial( &material);
|
|
mScene->mGlobalMaterials.push_back( material);
|
|
} else
|
|
if( objectName == "}")
|
|
{
|
|
// whatever?
|
|
// os::Printer::log("} found in dataObject", ELL_WARNING);
|
|
} else
|
|
{
|
|
// unknown format
|
|
//os::Printer::log("Unknown data object in animation of .x file", objectName.c_str(), ELL_WARNING);
|
|
ParseUnknownDataObject();
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectTemplate()
|
|
{
|
|
// parse a template data object. Currently not stored.
|
|
std::string name;
|
|
readHeadOfDataObject( &name);
|
|
|
|
// read GUID
|
|
std::string guid = GetNextToken();
|
|
|
|
// read and ignore data members
|
|
while(true)
|
|
{
|
|
std::string s = GetNextToken();
|
|
|
|
if( s == "}")
|
|
break;
|
|
|
|
if( s.length() == 0)
|
|
ThrowException( "Unexpected end of file reached while parsing template definition");
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectFrame( Node* pParent)
|
|
{
|
|
// A coordinate frame, or "frame of reference." The Frame template
|
|
// is open and can contain any object. The Direct3D extensions (D3DX)
|
|
// mesh-loading functions recognize Mesh, FrameTransformMatrix, and
|
|
// Frame template instances as child objects when loading a Frame
|
|
// instance.
|
|
std::string name;
|
|
readHeadOfDataObject(&name);
|
|
|
|
// create a named node and place it at its parent, if given
|
|
Node* node = new Node( pParent);
|
|
node->mName = name;
|
|
if( pParent)
|
|
{
|
|
pParent->mChildren.push_back( node);
|
|
} else
|
|
{
|
|
// there might be multiple root nodes
|
|
if( mScene->mRootNode != NULL)
|
|
{
|
|
// place a dummy root if not there
|
|
if( mScene->mRootNode->mName != "$dummy_root")
|
|
{
|
|
Node* exroot = mScene->mRootNode;
|
|
mScene->mRootNode = new Node( NULL);
|
|
mScene->mRootNode->mName = "$dummy_root";
|
|
mScene->mRootNode->mChildren.push_back( exroot);
|
|
exroot->mParent = mScene->mRootNode;
|
|
}
|
|
// put the new node as its child instead
|
|
mScene->mRootNode->mChildren.push_back( node);
|
|
node->mParent = mScene->mRootNode;
|
|
} else
|
|
{
|
|
// it's the first node imported. place it as root
|
|
mScene->mRootNode = node;
|
|
}
|
|
}
|
|
|
|
// Now inside a frame.
|
|
// read tokens until closing brace is reached.
|
|
while(true)
|
|
{
|
|
std::string objectName = GetNextToken();
|
|
if (objectName.size() == 0)
|
|
ThrowException( "Unexpected end of file reached while parsing frame");
|
|
|
|
if( objectName == "}")
|
|
break; // frame finished
|
|
else
|
|
if( objectName == "Frame")
|
|
ParseDataObjectFrame( node); // child frame
|
|
else
|
|
if( objectName == "FrameTransformMatrix")
|
|
ParseDataObjectTransformationMatrix( node->mTrafoMatrix);
|
|
else
|
|
if( objectName == "Mesh")
|
|
{
|
|
Mesh* mesh = new Mesh;
|
|
node->mMeshes.push_back( mesh);
|
|
ParseDataObjectMesh( mesh);
|
|
} else
|
|
{
|
|
// os::Printer::log("Unknown data object in frame in x file", objectName.c_str(), ELL_WARNING);
|
|
ParseUnknownDataObject();
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectTransformationMatrix( aiMatrix4x4& pMatrix)
|
|
{
|
|
// read header, we're not interested if it has a name
|
|
readHeadOfDataObject();
|
|
|
|
// read its components
|
|
pMatrix.a1 = ReadFloat(); pMatrix.b1 = ReadFloat();
|
|
pMatrix.c1 = ReadFloat(); pMatrix.d1 = ReadFloat();
|
|
pMatrix.a2 = ReadFloat(); pMatrix.b2 = ReadFloat();
|
|
pMatrix.c2 = ReadFloat(); pMatrix.d2 = ReadFloat();
|
|
pMatrix.a3 = ReadFloat(); pMatrix.b3 = ReadFloat();
|
|
pMatrix.c3 = ReadFloat(); pMatrix.d3 = ReadFloat();
|
|
pMatrix.a4 = ReadFloat(); pMatrix.b4 = ReadFloat();
|
|
pMatrix.c4 = ReadFloat(); pMatrix.d4 = ReadFloat();
|
|
|
|
// trailing symbols
|
|
CheckForSemicolon();
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectMesh( Mesh* pMesh)
|
|
{
|
|
std::string name;
|
|
readHeadOfDataObject( &name);
|
|
|
|
// read vertex count
|
|
unsigned int numVertices = ReadInt();
|
|
pMesh->mPositions.resize( numVertices);
|
|
|
|
// read vertices
|
|
for( unsigned int a = 0; a < numVertices; a++)
|
|
pMesh->mPositions[a] = ReadVector3();
|
|
|
|
// read position faces
|
|
unsigned int numPosFaces = ReadInt();
|
|
pMesh->mPosFaces.resize( numPosFaces);
|
|
for( unsigned int a = 0; a < numPosFaces; a++)
|
|
{
|
|
unsigned int numIndices = ReadInt();
|
|
if( numIndices < 3)
|
|
ThrowException( boost::str( boost::format( "Invalid index count %1% for face %2%.") % numIndices % a));
|
|
|
|
// read indices
|
|
Face& face = pMesh->mPosFaces[a];
|
|
for( unsigned int b = 0; b < numIndices; b++)
|
|
face.mIndices.push_back( ReadInt());
|
|
CheckForSeparator();
|
|
}
|
|
|
|
// here, other data objects may follow
|
|
while(true)
|
|
{
|
|
std::string objectName = GetNextToken();
|
|
|
|
if( objectName.size() == 0)
|
|
ThrowException( "Unexpected end of file while parsing mesh structure");
|
|
else
|
|
if( objectName == "}")
|
|
break; // mesh finished
|
|
else
|
|
if( objectName == "MeshNormals")
|
|
ParseDataObjectMeshNormals( pMesh);
|
|
else
|
|
if( objectName == "MeshTextureCoords")
|
|
ParseDataObjectMeshTextureCoords( pMesh);
|
|
else
|
|
if( objectName == "MeshVertexColors")
|
|
ParseDataObjectMeshVertexColors( pMesh);
|
|
else
|
|
if( objectName == "MeshMaterialList")
|
|
ParseDataObjectMeshMaterialList( pMesh);
|
|
else
|
|
if( objectName == "VertexDuplicationIndices")
|
|
ParseUnknownDataObject(); // we'll ignore vertex duplication indices
|
|
else
|
|
if( objectName == "XSkinMeshHeader")
|
|
ParseDataObjectSkinMeshHeader( pMesh);
|
|
else
|
|
if( objectName == "SkinWeights")
|
|
ParseDataObjectSkinWeights( pMesh);
|
|
else
|
|
{
|
|
//os::Printer::log("Unknown data object in mesh in x file", objectName.c_str(), ELL_WARNING);
|
|
ParseUnknownDataObject();
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectSkinWeights( Mesh *pMesh)
|
|
{
|
|
readHeadOfDataObject();
|
|
|
|
std::string transformNodeName;
|
|
GetNextTokenAsString( transformNodeName);
|
|
|
|
pMesh->mBones.push_back( Bone());
|
|
Bone& bone = pMesh->mBones.back();
|
|
bone.mName = transformNodeName;
|
|
|
|
// read vertex weights
|
|
unsigned int numWeights = ReadInt();
|
|
bone.mWeights.reserve( numWeights);
|
|
|
|
for( unsigned int a = 0; a < numWeights; a++)
|
|
{
|
|
BoneWeight weight;
|
|
weight.mVertex = ReadInt();
|
|
bone.mWeights.push_back( weight);
|
|
}
|
|
|
|
// read vertex weights
|
|
for( unsigned int a = 0; a < numWeights; a++)
|
|
bone.mWeights[a].mWeight = ReadFloat();
|
|
|
|
// read matrix offset
|
|
bone.mOffsetMatrix.a1 = ReadFloat(); bone.mOffsetMatrix.b1 = ReadFloat();
|
|
bone.mOffsetMatrix.c1 = ReadFloat(); bone.mOffsetMatrix.d1 = ReadFloat();
|
|
bone.mOffsetMatrix.a2 = ReadFloat(); bone.mOffsetMatrix.b2 = ReadFloat();
|
|
bone.mOffsetMatrix.c2 = ReadFloat(); bone.mOffsetMatrix.d2 = ReadFloat();
|
|
bone.mOffsetMatrix.a3 = ReadFloat(); bone.mOffsetMatrix.b3 = ReadFloat();
|
|
bone.mOffsetMatrix.c3 = ReadFloat(); bone.mOffsetMatrix.d3 = ReadFloat();
|
|
bone.mOffsetMatrix.a4 = ReadFloat(); bone.mOffsetMatrix.b4 = ReadFloat();
|
|
bone.mOffsetMatrix.c4 = ReadFloat(); bone.mOffsetMatrix.d4 = ReadFloat();
|
|
|
|
CheckForSemicolon();
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectSkinMeshHeader( Mesh* pMesh)
|
|
{
|
|
readHeadOfDataObject();
|
|
|
|
unsigned int maxSkinWeightsPerVertex = ReadInt();
|
|
unsigned int maxSkinWeightsPerFace = ReadInt();
|
|
unsigned int numBonesInMesh = ReadInt();
|
|
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectMeshNormals( Mesh* pMesh)
|
|
{
|
|
readHeadOfDataObject();
|
|
|
|
// read count
|
|
unsigned int numNormals = ReadInt();
|
|
pMesh->mNormals.resize( numNormals);
|
|
|
|
// read normal vectors
|
|
for( unsigned int a = 0; a < numNormals; a++)
|
|
pMesh->mNormals[a] = ReadVector3();
|
|
|
|
// read normal indices
|
|
unsigned int numFaces = ReadInt();
|
|
if( numFaces != pMesh->mPosFaces.size())
|
|
ThrowException( "Normal face count does not match vertex face count.");
|
|
|
|
for( unsigned int a = 0; a < numFaces; a++)
|
|
{
|
|
unsigned int numIndices = ReadInt();
|
|
pMesh->mNormFaces.push_back( Face());
|
|
Face& face = pMesh->mNormFaces.back();
|
|
|
|
for( unsigned int b = 0; b < numIndices; b++)
|
|
face.mIndices.push_back( ReadInt());
|
|
|
|
CheckForSeparator();
|
|
}
|
|
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectMeshTextureCoords( Mesh* pMesh)
|
|
{
|
|
readHeadOfDataObject();
|
|
std::vector<aiVector2D>& coords = pMesh->mTexCoords[pMesh->mNumTextures++];
|
|
|
|
unsigned int numCoords = ReadInt();
|
|
if( numCoords != pMesh->mPositions.size())
|
|
ThrowException( "Texture coord count does not match vertex count");
|
|
|
|
coords.resize( numCoords);
|
|
for( unsigned int a = 0; a < numCoords; a++)
|
|
coords[a] = ReadVector2();
|
|
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectMeshVertexColors( Mesh* pMesh)
|
|
{
|
|
readHeadOfDataObject();
|
|
std::vector<aiColor4D>& colors = pMesh->mColors[pMesh->mNumColorSets++];
|
|
|
|
unsigned int numColors = ReadInt();
|
|
if( numColors != pMesh->mPositions.size())
|
|
ThrowException( "Vertex color count does not match vertex count");
|
|
|
|
colors.resize( numColors, aiColor4D( 0, 0, 0, 1));
|
|
for( unsigned int a = 0; a < numColors; a++)
|
|
{
|
|
unsigned int index = ReadInt();
|
|
if( index >= pMesh->mPositions.size())
|
|
ThrowException( "Vertex color index out of bounds");
|
|
|
|
colors[index] = ReadRGBA();
|
|
}
|
|
|
|
CheckForSemicolon();
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectMeshMaterialList( Mesh* pMesh)
|
|
{
|
|
readHeadOfDataObject();
|
|
|
|
// read material count
|
|
unsigned int numMaterials = ReadInt();
|
|
// read non triangulated face material index count
|
|
unsigned int numMatIndices = ReadInt();
|
|
|
|
// some models have a material index count of 1... to be able to read them we
|
|
// replicate this single material index on every face
|
|
if( numMatIndices != pMesh->mPosFaces.size() && numMatIndices != 1)
|
|
ThrowException( "Per-Face material index count does not match face count.");
|
|
|
|
// read per-face material indices
|
|
for( unsigned int a = 0; a < numMatIndices; a++)
|
|
pMesh->mFaceMaterials.push_back( ReadInt());
|
|
|
|
// in version 03.02, the face indices end with two semicolons.
|
|
// commented out version check, as version 03.03 exported from blender also has 2 semicolons
|
|
if( !mIsBinaryFormat) // && MajorVersion == 3 && MinorVersion <= 2)
|
|
{
|
|
if( *P == ';')
|
|
++P;
|
|
}
|
|
|
|
// if there was only a single material index, replicate it on all faces
|
|
while( pMesh->mFaceMaterials.size() < pMesh->mPosFaces.size())
|
|
pMesh->mFaceMaterials.push_back( pMesh->mFaceMaterials.front());
|
|
|
|
// read following data objects
|
|
while(true)
|
|
{
|
|
std::string objectName = GetNextToken();
|
|
if( objectName.size() == 0)
|
|
ThrowException( "Unexpected end of file while parsing mesh material list.");
|
|
else
|
|
if( objectName == "}")
|
|
break; // material list finished
|
|
else
|
|
if( objectName == "{")
|
|
{
|
|
// template materials
|
|
std::string matName = GetNextToken();
|
|
Material material;
|
|
material.mIsReference = true;
|
|
material.mName = matName;
|
|
pMesh->mMaterials.push_back( material);
|
|
|
|
CheckForClosingBrace(); // skip }
|
|
} else
|
|
if( objectName == "Material")
|
|
{
|
|
pMesh->mMaterials.push_back( Material());
|
|
ParseDataObjectMaterial( &pMesh->mMaterials.back());
|
|
} else
|
|
if( objectName == ";")
|
|
{
|
|
// ignore
|
|
} else
|
|
{
|
|
// os::Printer::log("Unknown data object in material list in x file", objectName.c_str(), ELL_WARNING);
|
|
ParseUnknownDataObject();
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectMaterial( Material* pMaterial)
|
|
{
|
|
std::string matName;
|
|
readHeadOfDataObject( &matName);
|
|
pMaterial->mName = matName;
|
|
pMaterial->mIsReference = false;
|
|
|
|
// read material values
|
|
pMaterial->mDiffuse = ReadRGBA();
|
|
pMaterial->mSpecularExponent = ReadFloat();
|
|
pMaterial->mSpecular = ReadRGB();
|
|
pMaterial->mEmissive = ReadRGB();
|
|
|
|
// read other data objects
|
|
while(true)
|
|
{
|
|
std::string objectName = GetNextToken();
|
|
if( objectName.size() == 0)
|
|
ThrowException( "Unexpected end of file while parsing mesh material");
|
|
else
|
|
if( objectName == "}")
|
|
break; // material finished
|
|
else
|
|
if( objectName == "TextureFilename" || objectName == "TextureFileName")
|
|
{
|
|
// some exporters write "TextureFileName" instead.
|
|
std::string texname;
|
|
ParseDataObjectTextureFilename( texname);
|
|
pMaterial->mTextures.push_back( texname);
|
|
} else
|
|
{
|
|
// os::Printer::log("Unknown data object in material in .x file", objectName.c_str(), ELL_WARNING);
|
|
ParseUnknownDataObject();
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectAnimTicksPerSecond()
|
|
{
|
|
readHeadOfDataObject();
|
|
mScene->mAnimTicksPerSecond = ReadInt();
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectAnimationSet()
|
|
{
|
|
std::string animName;
|
|
readHeadOfDataObject( &animName);
|
|
|
|
Animation* anim = new Animation;
|
|
mScene->mAnims.push_back( anim);
|
|
anim->mName = animName;
|
|
|
|
while(true)
|
|
{
|
|
std::string objectName = GetNextToken();
|
|
if( objectName.length() == 0)
|
|
ThrowException( "Unexpected end of file while parsing animation set.");
|
|
else
|
|
if( objectName == "}")
|
|
break; // animation set finished
|
|
else
|
|
if( objectName == "Animation")
|
|
ParseDataObjectAnimation( anim);
|
|
else
|
|
{
|
|
// os::Printer::log("Unknown data object in animation set in x file", objectName.c_str(), ELL_WARNING);
|
|
ParseUnknownDataObject();
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectAnimation( Animation* pAnim)
|
|
{
|
|
readHeadOfDataObject();
|
|
AnimBone* banim = new AnimBone;
|
|
pAnim->mAnims.push_back( banim);
|
|
|
|
while(true)
|
|
{
|
|
std::string objectName = GetNextToken();
|
|
|
|
if( objectName.length() == 0)
|
|
ThrowException( "Unexpected end of file while parsing animation.");
|
|
else
|
|
if( objectName == "}")
|
|
break; // animation finished
|
|
else
|
|
if( objectName == "AnimationKey")
|
|
ParseDataObjectAnimationKey( banim);
|
|
else
|
|
if( objectName == "AnimationOptions")
|
|
ParseUnknownDataObject(); // not interested
|
|
else
|
|
if( objectName == "{")
|
|
{
|
|
// read frame name
|
|
banim->mBoneName = GetNextToken();
|
|
CheckForClosingBrace();
|
|
} else
|
|
{
|
|
//os::Printer::log("Unknown data object in animation in x file", objectName.c_str(), ELL_WARNING);
|
|
ParseUnknownDataObject();
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectAnimationKey( AnimBone* pAnimBone)
|
|
{
|
|
readHeadOfDataObject();
|
|
|
|
// read key type
|
|
unsigned int keyType = ReadInt();
|
|
|
|
// read number of keys
|
|
unsigned int numKeys = ReadInt();
|
|
|
|
for( unsigned int a = 0; a < numKeys; a++)
|
|
{
|
|
// read time
|
|
unsigned int time = ReadInt();
|
|
|
|
// read keys
|
|
switch( keyType)
|
|
{
|
|
case 0: // rotation quaternion
|
|
{
|
|
// read count
|
|
if( ReadInt() != 4)
|
|
ThrowException( "Invalid number of arguments for quaternion key in animation");
|
|
|
|
aiQuatKey key;
|
|
key.mTime = double( time);
|
|
key.mValue.w = ReadFloat();
|
|
key.mValue.x = ReadFloat();
|
|
key.mValue.y = ReadFloat();
|
|
key.mValue.z = ReadFloat();
|
|
pAnimBone->mRotKeys.push_back( key);
|
|
|
|
CheckForSemicolon();
|
|
break;
|
|
}
|
|
|
|
case 1: // scale vector
|
|
case 2: // position vector
|
|
{
|
|
// read count
|
|
if( ReadInt() != 3)
|
|
ThrowException( "Invalid number of arguments for vector key in animation");
|
|
|
|
aiVectorKey key;
|
|
key.mTime = double( time);
|
|
key.mValue = ReadVector3();
|
|
|
|
if( keyType == 2)
|
|
pAnimBone->mPosKeys.push_back( key);
|
|
else
|
|
pAnimBone->mScaleKeys.push_back( key);
|
|
|
|
break;
|
|
}
|
|
|
|
case 3: // combined transformation matrix
|
|
case 4: // denoted both as 3 or as 4
|
|
{
|
|
// read count
|
|
if( ReadInt() != 16)
|
|
ThrowException( "Invalid number of arguments for matrix key in animation");
|
|
|
|
// read matrix
|
|
MatrixKey key;
|
|
key.mTime = double( time);
|
|
key.mMatrix.a1 = ReadFloat(); key.mMatrix.b1 = ReadFloat();
|
|
key.mMatrix.c1 = ReadFloat(); key.mMatrix.d1 = ReadFloat();
|
|
key.mMatrix.a2 = ReadFloat(); key.mMatrix.b2 = ReadFloat();
|
|
key.mMatrix.c2 = ReadFloat(); key.mMatrix.d2 = ReadFloat();
|
|
key.mMatrix.a3 = ReadFloat(); key.mMatrix.b3 = ReadFloat();
|
|
key.mMatrix.c3 = ReadFloat(); key.mMatrix.d3 = ReadFloat();
|
|
key.mMatrix.a4 = ReadFloat(); key.mMatrix.b4 = ReadFloat();
|
|
key.mMatrix.c4 = ReadFloat(); key.mMatrix.d4 = ReadFloat();
|
|
pAnimBone->mTrafoKeys.push_back( key);
|
|
|
|
CheckForSemicolon();
|
|
break;
|
|
}
|
|
|
|
default:
|
|
ThrowException( boost::str( boost::format( "Unknown key type %1% in animation.") % keyType));
|
|
break;
|
|
} // end switch
|
|
|
|
// key separator
|
|
CheckForSeparator();
|
|
}
|
|
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseDataObjectTextureFilename( std::string& pName)
|
|
{
|
|
readHeadOfDataObject();
|
|
GetNextTokenAsString( pName);
|
|
CheckForClosingBrace();
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ParseUnknownDataObject()
|
|
{
|
|
// find opening delimiter
|
|
while( true)
|
|
{
|
|
std::string t = GetNextToken();
|
|
if( t.length() == 0)
|
|
ThrowException( "Unexpected end of file while parsing unknown segment.");
|
|
|
|
if( t == "{")
|
|
break;
|
|
}
|
|
|
|
unsigned int counter = 1;
|
|
|
|
// parse until closing delimiter
|
|
while( counter > 0)
|
|
{
|
|
std::string t = GetNextToken();
|
|
|
|
if( t.length() == 0)
|
|
ThrowException( "Unexpected end of file while parsing unknown segment.");
|
|
|
|
if( t == "{")
|
|
++counter;
|
|
else
|
|
if( t == "}")
|
|
--counter;
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
//! checks for closing curly brace
|
|
void XFileParser::CheckForClosingBrace()
|
|
{
|
|
if( GetNextToken() != "}")
|
|
ThrowException( "Closing brace expected.");
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
//! checks for one following semicolon
|
|
void XFileParser::CheckForSemicolon()
|
|
{
|
|
if( mIsBinaryFormat)
|
|
return;
|
|
|
|
if( GetNextToken() != ";")
|
|
ThrowException( "Semicolon expected.");
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
//! checks for a separator char, either a ',' or a ';'
|
|
void XFileParser::CheckForSeparator()
|
|
{
|
|
if( mIsBinaryFormat)
|
|
return;
|
|
|
|
std::string token = GetNextToken();
|
|
if( token != "," && token != ";")
|
|
ThrowException( "Separator character (';' or ',') expected.");
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::readHeadOfDataObject( std::string* poName)
|
|
{
|
|
std::string nameOrBrace = GetNextToken();
|
|
if( nameOrBrace != "{")
|
|
{
|
|
if( poName)
|
|
*poName = nameOrBrace;
|
|
|
|
if( GetNextToken() != "{")
|
|
ThrowException( "Opening brace expected.");
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
std::string XFileParser::GetNextToken()
|
|
{
|
|
std::string s;
|
|
|
|
// process binary-formatted file
|
|
if( mIsBinaryFormat)
|
|
{
|
|
// in binary mode it will only return NAME and STRING token
|
|
// and (correctly) skip over other tokens.
|
|
|
|
unsigned int tok = ReadBinWord();
|
|
unsigned int len;
|
|
|
|
// standalone tokens
|
|
switch( tok)
|
|
{
|
|
case 1:
|
|
// name token
|
|
len = ReadBinDWord();
|
|
s = std::string(P, len);
|
|
P += len;
|
|
return s;
|
|
case 2:
|
|
// string token
|
|
len = ReadBinDWord();
|
|
s = std::string(P, len);
|
|
P += (len + 2);
|
|
return s;
|
|
case 3:
|
|
// integer token
|
|
P += 4;
|
|
return "<integer>";
|
|
case 5:
|
|
// GUID token
|
|
P += 16;
|
|
return "<guid>";
|
|
case 6:
|
|
len = ReadBinDWord();
|
|
P += (len * 4);
|
|
return "<int_list>";
|
|
case 7:
|
|
len = ReadBinDWord();
|
|
P += (len * mBinaryFloatSize);
|
|
return "<flt_list>";
|
|
case 0x0a:
|
|
return "{";
|
|
case 0x0b:
|
|
return "}";
|
|
case 0x0c:
|
|
return "(";
|
|
case 0x0d:
|
|
return ")";
|
|
case 0x0e:
|
|
return "[";
|
|
case 0x0f:
|
|
return "]";
|
|
case 0x10:
|
|
return "<";
|
|
case 0x11:
|
|
return ">";
|
|
case 0x12:
|
|
return ".";
|
|
case 0x13:
|
|
return ",";
|
|
case 0x14:
|
|
return ";";
|
|
case 0x1f:
|
|
return "template";
|
|
case 0x28:
|
|
return "WORD";
|
|
case 0x29:
|
|
return "DWORD";
|
|
case 0x2a:
|
|
return "FLOAT";
|
|
case 0x2b:
|
|
return "DOUBLE";
|
|
case 0x2c:
|
|
return "CHAR";
|
|
case 0x2d:
|
|
return "UCHAR";
|
|
case 0x2e:
|
|
return "SWORD";
|
|
case 0x2f:
|
|
return "SDWORD";
|
|
case 0x30:
|
|
return "void";
|
|
case 0x31:
|
|
return "string";
|
|
case 0x32:
|
|
return "unicode";
|
|
case 0x33:
|
|
return "cstring";
|
|
case 0x34:
|
|
return "array";
|
|
}
|
|
}
|
|
// process text-formatted file
|
|
else
|
|
{
|
|
FindNextNoneWhiteSpace();
|
|
if( P >= End)
|
|
return s;
|
|
|
|
while( (P < End) && !isspace( (unsigned char) *P))
|
|
{
|
|
// either keep token delimiters when already holding a token, or return if first valid char
|
|
if( *P == ';' || *P == '}' || *P == '{' || *P == ',')
|
|
{
|
|
if( !s.size())
|
|
s.append( P++, 1);
|
|
break; // stop for delimiter
|
|
}
|
|
s.append( P++, 1);
|
|
}
|
|
}
|
|
return s;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::FindNextNoneWhiteSpace()
|
|
{
|
|
if( mIsBinaryFormat)
|
|
return;
|
|
|
|
while( true)
|
|
{
|
|
while( P < End && isspace( (unsigned char) *P))
|
|
{
|
|
if( *P == '\n')
|
|
mLineNumber++;
|
|
++P;
|
|
}
|
|
|
|
if( P >= End)
|
|
return;
|
|
|
|
// check if this is a comment
|
|
if( (P[0] == '/' && P[1] == '/') || P[0] == '#')
|
|
ReadUntilEndOfLine();
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::GetNextTokenAsString( std::string& poString)
|
|
{
|
|
if( mIsBinaryFormat)
|
|
{
|
|
poString = GetNextToken();
|
|
return;
|
|
}
|
|
|
|
FindNextNoneWhiteSpace();
|
|
if( P >= End)
|
|
ThrowException( "Unexpected end of file while parsing string");
|
|
|
|
if( *P != '"')
|
|
ThrowException( "Expected quotation mark.");
|
|
++P;
|
|
|
|
while( P < End && *P != '"')
|
|
poString.append( P++, 1);
|
|
|
|
if( P >= End-1)
|
|
ThrowException( "Unexpected end of file while parsing string");
|
|
|
|
if( P[1] != ';' || P[0] != '"')
|
|
ThrowException( "Expected quotation mark and semicolon at the end of a string.");
|
|
P+=2;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
void XFileParser::ReadUntilEndOfLine()
|
|
{
|
|
if( mIsBinaryFormat)
|
|
return;
|
|
|
|
while( P < End)
|
|
{
|
|
if( *P == '\n' || *P == '\r')
|
|
{
|
|
++P; mLineNumber++;
|
|
return;
|
|
}
|
|
|
|
++P;
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
unsigned short XFileParser::ReadBinWord()
|
|
{
|
|
const unsigned char* q = (const unsigned char*) P;
|
|
unsigned short tmp = q[0] | (q[1] << 8);
|
|
P += 2;
|
|
return tmp;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
unsigned int XFileParser::ReadBinDWord()
|
|
{
|
|
const unsigned char* q = (const unsigned char*) P;
|
|
unsigned int tmp = q[0] | (q[1] << 8) | (q[2] << 16) | (q[3] << 24);
|
|
P += 4;
|
|
return tmp;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
unsigned int XFileParser::ReadInt()
|
|
{
|
|
if( mIsBinaryFormat)
|
|
{
|
|
if( mBinaryNumCount == 0)
|
|
{
|
|
unsigned short tmp = ReadBinWord(); // 0x06 or 0x03
|
|
if( tmp == 0x06) // array of ints follows
|
|
mBinaryNumCount = ReadBinDWord();
|
|
else // single int follows
|
|
mBinaryNumCount = 1;
|
|
}
|
|
|
|
--mBinaryNumCount;
|
|
return ReadBinDWord();
|
|
} else
|
|
{
|
|
FindNextNoneWhiteSpace();
|
|
// check preceeding minus sign
|
|
bool isNegative = false;
|
|
if( *P == '-')
|
|
{
|
|
isNegative = true;
|
|
P++;
|
|
}
|
|
|
|
// at least one digit expected
|
|
if( !isdigit( *P))
|
|
ThrowException( "Number expected.");
|
|
|
|
// read digits
|
|
unsigned int number = 0;
|
|
while( P < End)
|
|
{
|
|
if( !isdigit( *P))
|
|
break;
|
|
number = number * 10 + (*P - 48);
|
|
P++;
|
|
}
|
|
|
|
CheckForSeparator();
|
|
|
|
return isNegative ? ((unsigned int) -int( number)) : number;
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
float XFileParser::ReadFloat()
|
|
{
|
|
if( mIsBinaryFormat)
|
|
{
|
|
if( mBinaryNumCount == 0)
|
|
{
|
|
unsigned short tmp = ReadBinWord(); // 0x07 or 0x42
|
|
if( tmp == 0x07) // array of floats following
|
|
mBinaryNumCount = ReadBinDWord();
|
|
else // single float following
|
|
mBinaryNumCount = 1;
|
|
}
|
|
|
|
--mBinaryNumCount;
|
|
if( mBinaryFloatSize == 8)
|
|
{
|
|
float result = (float) (*(double*) P);
|
|
P += 8;
|
|
return result;
|
|
} else
|
|
{
|
|
float result = *(float*) P;
|
|
P += 4;
|
|
return result;
|
|
}
|
|
}
|
|
|
|
// text version
|
|
FindNextNoneWhiteSpace();
|
|
// check for various special strings to allow reading files from faulty exporters
|
|
// I mean you, Blender!
|
|
if( strncmp( P, "-1.#IND00", 9) == 0)
|
|
{
|
|
P += 9;
|
|
CheckForSeparator();
|
|
return 0.0f;
|
|
} else
|
|
if( strncmp( P, "1.#QNAN0", 8) == 0)
|
|
{
|
|
P += 8;
|
|
CheckForSeparator();
|
|
return 0.0f;
|
|
}
|
|
|
|
float result = 0.0f;
|
|
P = fast_atof_move( P, result);
|
|
|
|
CheckForSeparator();
|
|
|
|
return result;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
aiVector2D XFileParser::ReadVector2()
|
|
{
|
|
aiVector2D vector;
|
|
vector.x = ReadFloat();
|
|
vector.y = ReadFloat();
|
|
CheckForSeparator();
|
|
|
|
return vector;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
aiVector3D XFileParser::ReadVector3()
|
|
{
|
|
aiVector3D vector;
|
|
vector.x = ReadFloat();
|
|
vector.y = ReadFloat();
|
|
vector.z = ReadFloat();
|
|
CheckForSeparator();
|
|
|
|
return vector;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
aiColor4D XFileParser::ReadRGBA()
|
|
{
|
|
aiColor4D color;
|
|
color.r = ReadFloat();
|
|
color.g = ReadFloat();
|
|
color.b = ReadFloat();
|
|
color.a = ReadFloat();
|
|
CheckForSeparator();
|
|
|
|
return color;
|
|
}
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
aiColor3D XFileParser::ReadRGB()
|
|
{
|
|
aiColor3D color;
|
|
color.r = ReadFloat();
|
|
color.g = ReadFloat();
|
|
color.b = ReadFloat();
|
|
CheckForSeparator();
|
|
|
|
return color;
|
|
}
|
|
|
|
// Throws an exception with a line number and the given text.
|
|
void XFileParser::ThrowException( const std::string& pText)
|
|
{
|
|
if( mIsBinaryFormat)
|
|
throw new ImportErrorException( pText);
|
|
else
|
|
throw new ImportErrorException( boost::str( boost::format( "Line %d: %s") % mLineNumber % pText));
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------------------------------------------
|
|
// Filters the imported hierarchy for some degenerated cases that some exporters produce.
|
|
void XFileParser::FilterHierarchy( XFile::Node* pNode)
|
|
{
|
|
// if the node has just a single unnamed child containing a mesh, remove
|
|
// the anonymous node inbetween. The 3DSMax kwXport plugin seems to produce this
|
|
// mess in some cases
|
|
if( pNode->mChildren.size() == 1)
|
|
{
|
|
XFile::Node* child = pNode->mChildren.front();
|
|
if( child->mName.length() == 0 && child->mMeshes.size() > 0)
|
|
{
|
|
// transfer its meshes to us
|
|
for( unsigned int a = 0; a < child->mMeshes.size(); a++)
|
|
pNode->mMeshes.push_back( child->mMeshes[a]);
|
|
child->mMeshes.clear();
|
|
|
|
// then kill it
|
|
delete child;
|
|
pNode->mChildren.clear();
|
|
}
|
|
}
|
|
|
|
// recurse
|
|
for( unsigned int a = 0; a < pNode->mChildren.size(); a++)
|
|
FilterHierarchy( pNode->mChildren[a]);
|
|
}
|