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authorsanine <sanine.not@pm.me>2022-04-16 11:55:09 -0500
committersanine <sanine.not@pm.me>2022-04-16 11:55:09 -0500
commitdb81b925d776103326128bf629cbdda576a223e7 (patch)
tree58bea8155c686733310009f6bed7363f91fbeb9d /libs/assimp/code/AssetLib/X
parent55860037b14fb3893ba21cf2654c83d349cc1082 (diff)
move 3rd-party librarys into libs/ and add built-in honeysuckle
Diffstat (limited to 'libs/assimp/code/AssetLib/X')
-rw-r--r--libs/assimp/code/AssetLib/X/XFileExporter.cpp541
-rw-r--r--libs/assimp/code/AssetLib/X/XFileExporter.h140
-rw-r--r--libs/assimp/code/AssetLib/X/XFileHelper.h234
-rw-r--r--libs/assimp/code/AssetLib/X/XFileImporter.cpp691
-rw-r--r--libs/assimp/code/AssetLib/X/XFileImporter.h148
-rw-r--r--libs/assimp/code/AssetLib/X/XFileParser.cpp1360
-rw-r--r--libs/assimp/code/AssetLib/X/XFileParser.h158
7 files changed, 3272 insertions, 0 deletions
diff --git a/libs/assimp/code/AssetLib/X/XFileExporter.cpp b/libs/assimp/code/AssetLib/X/XFileExporter.cpp
new file mode 100644
index 0000000..f0b1608
--- /dev/null
+++ b/libs/assimp/code/AssetLib/X/XFileExporter.cpp
@@ -0,0 +1,541 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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.
+
+@author: Richard Steffen, 2014
+----------------------------------------------------------------------
+*/
+
+
+#ifndef ASSIMP_BUILD_NO_EXPORT
+#ifndef ASSIMP_BUILD_NO_X_EXPORTER
+
+#include "AssetLib/X/XFileExporter.h"
+#include "PostProcessing/ConvertToLHProcess.h"
+
+#include <assimp/Bitmap.h>
+#include <assimp/BaseImporter.h>
+#include <assimp/fast_atof.h>
+#include <assimp/SceneCombiner.h>
+#include <assimp/DefaultIOSystem.h>
+#include <assimp/Exceptional.h>
+#include <assimp/IOSystem.hpp>
+#include <assimp/scene.h>
+#include <assimp/light.h>
+
+#include <ctime>
+#include <set>
+#include <memory>
+
+using namespace Assimp;
+
+namespace Assimp
+{
+
+// ------------------------------------------------------------------------------------------------
+// Worker function for exporting a scene to Collada. Prototyped and registered in Exporter.cpp
+void ExportSceneXFile(const char* pFile,IOSystem* pIOSystem, const aiScene* pScene, const ExportProperties* pProperties)
+{
+ std::string path = DefaultIOSystem::absolutePath(std::string(pFile));
+ std::string file = DefaultIOSystem::completeBaseName(std::string(pFile));
+
+ // create/copy Properties
+ ExportProperties props(*pProperties);
+
+ // set standard properties if not set
+ if (!props.HasPropertyBool(AI_CONFIG_EXPORT_XFILE_64BIT)) props.SetPropertyBool(AI_CONFIG_EXPORT_XFILE_64BIT, false);
+
+ // invoke the exporter
+ XFileExporter iDoTheExportThing( pScene, pIOSystem, path, file, &props);
+
+ if (iDoTheExportThing.mOutput.fail()) {
+ throw DeadlyExportError("output data creation failed. Most likely the file became too large: " + std::string(pFile));
+ }
+
+ // we're still here - export successfully completed. Write result to the given IOSYstem
+ std::unique_ptr<IOStream> outfile (pIOSystem->Open(pFile,"wt"));
+ if (outfile == nullptr) {
+ throw DeadlyExportError("could not open output .x file: " + std::string(pFile));
+ }
+
+ // XXX maybe use a small wrapper around IOStream that behaves like std::stringstream in order to avoid the extra copy.
+ outfile->Write( iDoTheExportThing.mOutput.str().c_str(), static_cast<size_t>(iDoTheExportThing.mOutput.tellp()),1);
+}
+
+} // end of namespace Assimp
+
+
+// ------------------------------------------------------------------------------------------------
+// Constructor for a specific scene to export
+XFileExporter::XFileExporter(const aiScene* pScene, IOSystem* pIOSystem, const std::string& path, const std::string& file, const ExportProperties* pProperties)
+ : mProperties(pProperties),
+ mIOSystem(pIOSystem),
+ mPath(path),
+ mFile(file),
+ mScene(pScene),
+ mSceneOwned(false),
+ endstr("\n")
+{
+ // make sure that all formatting happens using the standard, C locale and not the user's current locale
+ mOutput.imbue( std::locale("C") );
+ mOutput.precision(ASSIMP_AI_REAL_TEXT_PRECISION);
+
+ // start writing
+ WriteFile();
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor
+XFileExporter::~XFileExporter()
+{
+ if(mSceneOwned) {
+ delete mScene;
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Starts writing the contents
+void XFileExporter::WriteFile()
+{
+ // note, that all realnumber values must be comma separated in x files
+ mOutput.setf(std::ios::fixed);
+ mOutput.precision(ASSIMP_AI_REAL_TEXT_PRECISION); // precision for ai_real
+
+ // entry of writing the file
+ WriteHeader();
+
+ mOutput << startstr << "Frame DXCC_ROOT {" << endstr;
+ PushTag();
+
+ aiMatrix4x4 I; // identity
+ WriteFrameTransform(I);
+
+ WriteNode(mScene->mRootNode);
+ PopTag();
+
+ mOutput << startstr << "}" << endstr;
+
+}
+
+// ------------------------------------------------------------------------------------------------
+// Writes the asset header
+void XFileExporter::WriteHeader()
+{
+ if (mProperties->GetPropertyBool(AI_CONFIG_EXPORT_XFILE_64BIT) == true)
+ mOutput << startstr << "xof 0303txt 0064" << endstr;
+ else
+ mOutput << startstr << "xof 0303txt 0032" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template Frame {" << endstr;
+ PushTag();
+ mOutput << startstr << "<3d82ab46-62da-11cf-ab39-0020af71e433>" << endstr;
+ mOutput << startstr << "[...]" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template Matrix4x4 {" << endstr;
+ PushTag();
+ mOutput << startstr << "<f6f23f45-7686-11cf-8f52-0040333594a3>" << endstr;
+ mOutput << startstr << "array FLOAT matrix[16];" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template FrameTransformMatrix {" << endstr;
+ PushTag();
+ mOutput << startstr << "<f6f23f41-7686-11cf-8f52-0040333594a3>" << endstr;
+ mOutput << startstr << "Matrix4x4 frameMatrix;" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template Vector {" << endstr;
+ PushTag();
+ mOutput << startstr << "<3d82ab5e-62da-11cf-ab39-0020af71e433>" << endstr;
+ mOutput << startstr << "FLOAT x;" << endstr;
+ mOutput << startstr << "FLOAT y;" << endstr;
+ mOutput << startstr << "FLOAT z;" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template MeshFace {" << endstr;
+ PushTag();
+ mOutput << startstr << "<3d82ab5f-62da-11cf-ab39-0020af71e433>" << endstr;
+ mOutput << startstr << "DWORD nFaceVertexIndices;" << endstr;
+ mOutput << startstr << "array DWORD faceVertexIndices[nFaceVertexIndices];" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template Mesh {" << endstr;
+ PushTag();
+ mOutput << startstr << "<3d82ab44-62da-11cf-ab39-0020af71e433>" << endstr;
+ mOutput << startstr << "DWORD nVertices;" << endstr;
+ mOutput << startstr << "array Vector vertices[nVertices];" << endstr;
+ mOutput << startstr << "DWORD nFaces;" << endstr;
+ mOutput << startstr << "array MeshFace faces[nFaces];" << endstr;
+ mOutput << startstr << "[...]" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template MeshNormals {" << endstr;
+ PushTag();
+ mOutput << startstr << "<f6f23f43-7686-11cf-8f52-0040333594a3>" << endstr;
+ mOutput << startstr << "DWORD nNormals;" << endstr;
+ mOutput << startstr << "array Vector normals[nNormals];" << endstr;
+ mOutput << startstr << "DWORD nFaceNormals;" << endstr;
+ mOutput << startstr << "array MeshFace faceNormals[nFaceNormals];" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template Coords2d {" << endstr;
+ PushTag();
+ mOutput << startstr << "<f6f23f44-7686-11cf-8f52-0040333594a3>" << endstr;
+ mOutput << startstr << "FLOAT u;" << endstr;
+ mOutput << startstr << "FLOAT v;" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template MeshTextureCoords {" << endstr;
+ PushTag();
+ mOutput << startstr << "<f6f23f40-7686-11cf-8f52-0040333594a3>" << endstr;
+ mOutput << startstr << "DWORD nTextureCoords;" << endstr;
+ mOutput << startstr << "array Coords2d textureCoords[nTextureCoords];" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template ColorRGBA {" << endstr;
+ PushTag();
+ mOutput << startstr << "<35ff44e0-6c7c-11cf-8f52-0040333594a3>" << endstr;
+ mOutput << startstr << "FLOAT red;" << endstr;
+ mOutput << startstr << "FLOAT green;" << endstr;
+ mOutput << startstr << "FLOAT blue;" << endstr;
+ mOutput << startstr << "FLOAT alpha;" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template IndexedColor {" << endstr;
+ PushTag();
+ mOutput << startstr << "<1630b820-7842-11cf-8f52-0040333594a3>" << endstr;
+ mOutput << startstr << "DWORD index;" << endstr;
+ mOutput << startstr << "ColorRGBA indexColor;" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template MeshVertexColors {" << endstr;
+ PushTag();
+ mOutput << startstr << "<1630b821-7842-11cf-8f52-0040333594a3>" << endstr;
+ mOutput << startstr << "DWORD nVertexColors;" << endstr;
+ mOutput << startstr << "array IndexedColor vertexColors[nVertexColors];" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template VertexElement {" << endstr;
+ PushTag();
+ mOutput << startstr << "<f752461c-1e23-48f6-b9f8-8350850f336f>" << endstr;
+ mOutput << startstr << "DWORD Type;" << endstr;
+ mOutput << startstr << "DWORD Method;" << endstr;
+ mOutput << startstr << "DWORD Usage;" << endstr;
+ mOutput << startstr << "DWORD UsageIndex;" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+ mOutput << startstr << "template DeclData {" << endstr;
+ PushTag();
+ mOutput << startstr << "<bf22e553-292c-4781-9fea-62bd554bdd93>" << endstr;
+ mOutput << startstr << "DWORD nElements;" << endstr;
+ mOutput << startstr << "array VertexElement Elements[nElements];" << endstr;
+ mOutput << startstr << "DWORD nDWords;" << endstr;
+ mOutput << startstr << "array DWORD data[nDWords];" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ mOutput << endstr;
+}
+
+
+// Writes the material setup
+void XFileExporter::WriteFrameTransform(aiMatrix4x4& m)
+{
+ mOutput << startstr << "FrameTransformMatrix {" << endstr << " ";
+ PushTag();
+ mOutput << startstr << m.a1 << ", " << m.b1 << ", " << m.c1 << ", " << m.d1 << "," << endstr;
+ mOutput << startstr << m.a2 << ", " << m.b2 << ", " << m.c2 << ", " << m.d2 << "," << endstr;
+ mOutput << startstr << m.a3 << ", " << m.b3 << ", " << m.c3 << ", " << m.d3 << "," << endstr;
+ mOutput << startstr << m.a4 << ", " << m.b4 << ", " << m.c4 << ", " << m.d4 << ";;" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr << endstr;
+}
+
+
+// ------------------------------------------------------------------------------------------------
+// Recursively writes the given node
+void XFileExporter::WriteNode( aiNode* pNode)
+{
+ if (pNode->mName.length==0)
+ {
+ std::stringstream ss;
+ ss << "Node_" << pNode;
+ pNode->mName.Set(ss.str());
+ }
+ mOutput << startstr << "Frame " << toXFileString(pNode->mName) << " {" << endstr;
+
+ PushTag();
+
+ aiMatrix4x4 m = pNode->mTransformation;
+
+ WriteFrameTransform(m);
+
+ for (size_t i = 0; i < pNode->mNumMeshes; ++i)
+ WriteMesh(mScene->mMeshes[pNode->mMeshes[i]]);
+
+ // recursive call the Nodes
+ for (size_t i = 0; i < pNode->mNumChildren; ++i)
+ WriteNode(pNode->mChildren[i]);
+
+ PopTag();
+
+ mOutput << startstr << "}" << endstr << endstr;
+}
+
+void XFileExporter::WriteMesh(aiMesh* mesh)
+{
+ mOutput << startstr << "Mesh " << toXFileString(mesh->mName) << "_mShape" << " {" << endstr;
+
+ PushTag();
+
+ // write all the vertices
+ mOutput << startstr << mesh->mNumVertices << ";" << endstr;
+ for (size_t a = 0; a < mesh->mNumVertices; a++)
+ {
+ aiVector3D &v = mesh->mVertices[a];
+ mOutput << startstr << v[0] << ";"<< v[1] << ";" << v[2] << ";";
+ if (a < mesh->mNumVertices - 1)
+ mOutput << "," << endstr;
+ else
+ mOutput << ";" << endstr;
+ }
+
+ // write all the faces
+ mOutput << startstr << mesh->mNumFaces << ";" << endstr;
+ for( size_t a = 0; a < mesh->mNumFaces; ++a )
+ {
+ const aiFace& face = mesh->mFaces[a];
+ mOutput << startstr << face.mNumIndices << ";";
+ // must be counter clockwise triangle
+ //for(int b = face.mNumIndices - 1; b >= 0 ; --b)
+ for(size_t b = 0; b < face.mNumIndices ; ++b)
+ {
+ mOutput << face.mIndices[b];
+ //if (b > 0)
+ if (b<face.mNumIndices-1)
+ mOutput << ",";
+ else
+ mOutput << ";";
+ }
+
+ if (a < mesh->mNumFaces - 1)
+ mOutput << "," << endstr;
+ else
+ mOutput << ";" << endstr;
+ }
+
+ mOutput << endstr;
+
+ if (mesh->HasTextureCoords(0))
+ {
+ const aiMaterial* mat = mScene->mMaterials[mesh->mMaterialIndex];
+ aiString relpath;
+ mat->Get(_AI_MATKEY_TEXTURE_BASE, aiTextureType_DIFFUSE, 0, relpath);
+
+ mOutput << startstr << "MeshMaterialList {" << endstr;
+ PushTag();
+ mOutput << startstr << "1;" << endstr; // number of materials
+ mOutput << startstr << mesh->mNumFaces << ";" << endstr; // number of faces
+ mOutput << startstr;
+ for( size_t a = 0; a < mesh->mNumFaces; ++a )
+ {
+ mOutput << "0"; // the material index
+ if (a < mesh->mNumFaces - 1)
+ mOutput << ", ";
+ else
+ mOutput << ";" << endstr;
+ }
+ mOutput << startstr << "Material {" << endstr;
+ PushTag();
+ mOutput << startstr << "1.0; 1.0; 1.0; 1.000000;;" << endstr;
+ mOutput << startstr << "1.000000;" << endstr; // power
+ mOutput << startstr << "0.000000; 0.000000; 0.000000;;" << endstr; // specularity
+ mOutput << startstr << "0.000000; 0.000000; 0.000000;;" << endstr; // emission
+ mOutput << startstr << "TextureFilename { \"";
+
+ writePath(relpath);
+
+ mOutput << "\"; }" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ PopTag();
+ mOutput << startstr << "}" << endstr;
+ }
+
+ // write normals (every vertex has one)
+ if (mesh->HasNormals())
+ {
+ mOutput << endstr << startstr << "MeshNormals {" << endstr;
+ mOutput << startstr << mesh->mNumVertices << ";" << endstr;
+ for (size_t a = 0; a < mesh->mNumVertices; a++)
+ {
+ aiVector3D &v = mesh->mNormals[a];
+ // because we have a LHS and also changed wth winding, we need to invert the normals again
+ mOutput << startstr << -v[0] << ";"<< -v[1] << ";" << -v[2] << ";";
+ if (a < mesh->mNumVertices - 1)
+ mOutput << "," << endstr;
+ else
+ mOutput << ";" << endstr;
+ }
+
+ mOutput << startstr << mesh->mNumFaces << ";" << endstr;
+ for (size_t a = 0; a < mesh->mNumFaces; a++)
+ {
+ const aiFace& face = mesh->mFaces[a];
+ mOutput << startstr << face.mNumIndices << ";";
+
+ //for(int b = face.mNumIndices-1; b >= 0 ; --b)
+ for(size_t b = 0; b < face.mNumIndices ; ++b)
+ {
+ mOutput << face.mIndices[b];
+ //if (b > 0)
+ if (b<face.mNumIndices-1)
+ mOutput << ",";
+ else
+ mOutput << ";";
+ }
+
+ if (a < mesh->mNumFaces-1)
+ mOutput << "," << endstr;
+ else
+ mOutput << ";" << endstr;
+ }
+ mOutput << startstr << "}" << endstr;
+ }
+
+ // write texture UVs if available
+ if (mesh->HasTextureCoords(0))
+ {
+ mOutput << endstr << startstr << "MeshTextureCoords {" << endstr;
+ mOutput << startstr << mesh->mNumVertices << ";" << endstr;
+ for (size_t a = 0; a < mesh->mNumVertices; a++)
+ //for (int a = (int)mesh->mNumVertices-1; a >=0 ; a--)
+ {
+ aiVector3D& uv = mesh->mTextureCoords[0][a]; // uv of first uv layer for the vertex
+ mOutput << startstr << uv.x << ";" << uv.y;
+ if (a < mesh->mNumVertices-1)
+ //if (a >0 )
+ mOutput << ";," << endstr;
+ else
+ mOutput << ";;" << endstr;
+ }
+ mOutput << startstr << "}" << endstr;
+ }
+
+ // write color channel if available
+ if (mesh->HasVertexColors(0))
+ {
+ mOutput << endstr << startstr << "MeshVertexColors {" << endstr;
+ mOutput << startstr << mesh->mNumVertices << ";" << endstr;
+ for (size_t a = 0; a < mesh->mNumVertices; a++)
+ {
+ aiColor4D& mColors = mesh->mColors[0][a]; // color of first vertex color set for the vertex
+ mOutput << startstr << a << ";" << mColors.r << ";" << mColors.g << ";" << mColors.b << ";" << mColors.a << ";;";
+ if (a < mesh->mNumVertices-1)
+ mOutput << "," << endstr;
+ else
+ mOutput << ";" << endstr;
+ }
+ mOutput << startstr << "}" << endstr;
+ }
+ /*
+ else
+ {
+ mOutput << endstr << startstr << "MeshVertexColors {" << endstr;
+ mOutput << startstr << mesh->mNumVertices << ";" << endstr;
+ for (size_t a = 0; a < mesh->mNumVertices; a++)
+ {
+ aiColor4D* mColors = mesh->mColors[a];
+ mOutput << startstr << a << ";0.500000;0.000000;0.000000;0.500000;;";
+ if (a < mesh->mNumVertices-1)
+ mOutput << "," << endstr;
+ else
+ mOutput << ";" << endstr;
+ }
+ mOutput << startstr << "}" << endstr;
+ }
+ */
+ PopTag();
+ mOutput << startstr << "}" << endstr << endstr;
+
+}
+
+std::string XFileExporter::toXFileString(aiString &name)
+{
+ std::string pref = ""; // node name prefix to prevent unexpected start of string
+ std::string str = pref + std::string(name.C_Str());
+ for (int i=0; i < (int) str.length(); ++i)
+ {
+ if ((str[i] >= '0' && str[i] <= '9') || // 0-9
+ (str[i] >= 'A' && str[i] <= 'Z') || // A-Z
+ (str[i] >= 'a' && str[i] <= 'z')) // a-z
+ continue;
+ str[i] = '_';
+ }
+ return str;
+}
+
+void XFileExporter::writePath(const aiString &path)
+{
+ std::string str = std::string(path.C_Str());
+ BaseImporter::ConvertUTF8toISO8859_1(str);
+
+ while( str.find( "\\\\") != std::string::npos)
+ str.replace( str.find( "\\\\"), 2, "\\");
+
+ while (str.find('\\') != std::string::npos)
+ str.replace(str.find('\\'), 1, "/");
+
+ mOutput << str;
+
+}
+
+#endif
+#endif
diff --git a/libs/assimp/code/AssetLib/X/XFileExporter.h b/libs/assimp/code/AssetLib/X/XFileExporter.h
new file mode 100644
index 0000000..1d9a5ae
--- /dev/null
+++ b/libs/assimp/code/AssetLib/X/XFileExporter.h
@@ -0,0 +1,140 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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.
+
+@author: Richard Steffen, 2014
+
+----------------------------------------------------------------------
+*/
+
+/** @file XFileExporter.h
+ * Declares the exporter class to write a scene to a Collada file
+ */
+#ifndef AI_XFILEEXPORTER_H_INC
+#define AI_XFILEEXPORTER_H_INC
+
+#include <assimp/ai_assert.h>
+#include <assimp/matrix4x4.h>
+#include <assimp/Exporter.hpp>
+#include <sstream>
+
+struct aiScene;
+struct aiNode;
+struct aiMesh;
+struct aiString;
+
+namespace Assimp {
+
+class IOSystem;
+
+
+/// Helper class to export a given scene to a X-file.
+/// Note: an xFile uses a left hand system. Assimp used a right hand system (OpenGL), therefore we have to transform everything
+class XFileExporter
+{
+public:
+ /// Constructor for a specific scene to export
+ XFileExporter(const aiScene* pScene, IOSystem* pIOSystem, const std::string& path, const std::string& file, const ExportProperties* pProperties);
+
+ /// Destructor
+ virtual ~XFileExporter();
+
+protected:
+ /// Starts writing the contents
+ void WriteFile();
+
+ /// Writes the asset header
+ void WriteHeader();
+
+ /// write a frame transform
+ void WriteFrameTransform(aiMatrix4x4& m);
+
+ /// Recursively writes the given node
+ void WriteNode( aiNode* pNode );
+
+ /// write a mesh entry of the scene
+ void WriteMesh( aiMesh* mesh);
+
+ /// Enters a new xml element, which increases the indentation
+ void PushTag() { startstr.append( " "); }
+
+ /// Leaves an element, decreasing the indentation
+ void PopTag() {
+ ai_assert( startstr.length() > 1);
+ startstr.erase( startstr.length() - 2);
+ }
+
+public:
+ /// Stringstream to write all output into
+ std::stringstream mOutput;
+
+protected:
+
+ /// normalize the name to be accepted by xfile readers
+ std::string toXFileString(aiString &name);
+
+ /// hold the properties pointer
+ const ExportProperties* mProperties;
+
+ /// write a path
+ void writePath(const aiString &path);
+
+ /// The IOSystem for output
+ IOSystem* mIOSystem;
+
+ /// Path of the directory where the scene will be exported
+ const std::string mPath;
+
+ /// Name of the file (without extension) where the scene will be exported
+ const std::string mFile;
+
+ /// The scene to be written
+ const aiScene* mScene;
+ bool mSceneOwned;
+
+ /// current line start string, contains the current indentation for simple stream insertion
+ std::string startstr;
+
+ /// current line end string for simple stream insertion
+ std::string endstr;
+
+};
+
+}
+
+#endif // !! AI_XFILEEXPORTER_H_INC
diff --git a/libs/assimp/code/AssetLib/X/XFileHelper.h b/libs/assimp/code/AssetLib/X/XFileHelper.h
new file mode 100644
index 0000000..3830eb4
--- /dev/null
+++ b/libs/assimp/code/AssetLib/X/XFileHelper.h
@@ -0,0 +1,234 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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 Defines the helper data structures for importing XFiles */
+#ifndef AI_XFILEHELPER_H_INC
+#define AI_XFILEHELPER_H_INC
+
+#include <cstdint>
+#include <string>
+#include <vector>
+
+#include <assimp/anim.h>
+#include <assimp/mesh.h>
+#include <assimp/quaternion.h>
+#include <assimp/types.h>
+
+namespace Assimp {
+namespace XFile {
+
+/** Helper structure representing a XFile mesh face */
+struct Face {
+ std::vector<unsigned int> mIndices;
+};
+
+/** Helper structure representing a texture filename inside a material and its potential source */
+struct TexEntry {
+ std::string mName;
+ bool mIsNormalMap; // true if the texname was specified in a NormalmapFilename tag
+
+ TexEntry() AI_NO_EXCEPT :
+ mName(),
+ mIsNormalMap(false) {
+ // empty
+ }
+ TexEntry(const std::string &pName, bool pIsNormalMap = false) :
+ mName(pName), mIsNormalMap(pIsNormalMap) {
+ // empty
+ }
+};
+
+/** Helper structure representing a XFile material */
+struct Material {
+ std::string mName;
+ bool mIsReference; // if true, mName holds a name by which the actual material can be found in the material list
+ aiColor4D mDiffuse;
+ ai_real mSpecularExponent;
+ aiColor3D mSpecular;
+ aiColor3D mEmissive;
+ std::vector<TexEntry> mTextures;
+ size_t sceneIndex; ///< the index under which it was stored in the scene's material list
+
+ Material() AI_NO_EXCEPT :
+ mIsReference(false),
+ mSpecularExponent(),
+ sceneIndex(SIZE_MAX) {
+ // empty
+ }
+};
+
+/** Helper structure to represent a bone weight */
+struct BoneWeight {
+ unsigned int mVertex;
+ ai_real mWeight;
+};
+
+/** Helper structure to represent a bone in a mesh */
+struct Bone {
+ std::string mName;
+ std::vector<BoneWeight> mWeights;
+ aiMatrix4x4 mOffsetMatrix;
+};
+
+/** Helper structure to represent an XFile mesh */
+struct Mesh {
+ std::string mName;
+ std::vector<aiVector3D> mPositions;
+ std::vector<Face> mPosFaces;
+ std::vector<aiVector3D> mNormals;
+ std::vector<Face> mNormFaces;
+ unsigned int mNumTextures;
+ std::vector<aiVector2D> mTexCoords[AI_MAX_NUMBER_OF_TEXTURECOORDS];
+ unsigned int mNumColorSets;
+ std::vector<aiColor4D> mColors[AI_MAX_NUMBER_OF_COLOR_SETS];
+
+ std::vector<unsigned int> mFaceMaterials;
+ std::vector<Material> mMaterials;
+
+ std::vector<Bone> mBones;
+
+ explicit Mesh(const std::string &pName = std::string()) AI_NO_EXCEPT
+ : mName(pName),
+ mPositions(),
+ mPosFaces(),
+ mNormals(),
+ mNormFaces(),
+ mNumTextures(0),
+ mTexCoords{},
+ mNumColorSets(0),
+ mColors{},
+ mFaceMaterials(),
+ mMaterials(),
+ mBones() {
+ // empty
+ }
+};
+
+/** Helper structure to represent a XFile frame */
+struct Node {
+ std::string mName;
+ aiMatrix4x4 mTrafoMatrix;
+ Node *mParent;
+ std::vector<Node *> mChildren;
+ std::vector<Mesh *> mMeshes;
+
+ Node() AI_NO_EXCEPT
+ : mName(),
+ mTrafoMatrix(),
+ mParent(nullptr),
+ mChildren(),
+ mMeshes() {
+ // empty
+ }
+ explicit Node(Node *pParent) :
+ mName(), mTrafoMatrix(), mParent(pParent), mChildren(), mMeshes() {
+ // empty
+ }
+
+ ~Node() {
+ for (unsigned int a = 0; a < mChildren.size(); ++a) {
+ delete mChildren[a];
+ }
+ for (unsigned int a = 0; a < mMeshes.size(); ++a) {
+ delete mMeshes[a];
+ }
+ }
+};
+
+struct MatrixKey {
+ double mTime;
+ aiMatrix4x4 mMatrix;
+};
+
+/** Helper structure representing a single animated bone in a XFile */
+struct AnimBone {
+ std::string mBoneName;
+ std::vector<aiVectorKey> mPosKeys; // either three separate key sequences for position, rotation, scaling
+ std::vector<aiQuatKey> mRotKeys;
+ std::vector<aiVectorKey> mScaleKeys;
+ std::vector<MatrixKey> mTrafoKeys; // or a combined key sequence of transformation matrices.
+};
+
+/** Helper structure to represent an animation set in a XFile */
+struct Animation {
+ std::string mName;
+ std::vector<AnimBone *> mAnims;
+
+ ~Animation() {
+ for (unsigned int a = 0; a < mAnims.size(); a++)
+ delete mAnims[a];
+ }
+};
+
+/** Helper structure analogue to aiScene */
+struct Scene {
+ Node *mRootNode;
+
+ std::vector<Mesh *> mGlobalMeshes; // global meshes found outside of any frames
+ std::vector<Material> mGlobalMaterials; // global materials found outside of any meshes.
+
+ std::vector<Animation *> mAnims;
+ unsigned int mAnimTicksPerSecond;
+
+ Scene() AI_NO_EXCEPT
+ : mRootNode(nullptr),
+ mGlobalMeshes(),
+ mGlobalMaterials(),
+ mAnimTicksPerSecond(0) {
+ // empty
+ }
+ ~Scene() {
+ delete mRootNode;
+ mRootNode = nullptr;
+ for (unsigned int a = 0; a < mGlobalMeshes.size(); ++a) {
+ delete mGlobalMeshes[a];
+ }
+ for (unsigned int a = 0; a < mAnims.size(); ++a) {
+ delete mAnims[a];
+ }
+ }
+};
+
+} // end of namespace XFile
+} // end of namespace Assimp
+
+#endif // AI_XFILEHELPER_H_INC
diff --git a/libs/assimp/code/AssetLib/X/XFileImporter.cpp b/libs/assimp/code/AssetLib/X/XFileImporter.cpp
new file mode 100644
index 0000000..d23eb57
--- /dev/null
+++ b/libs/assimp/code/AssetLib/X/XFileImporter.cpp
@@ -0,0 +1,691 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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 XFileImporter.cpp
+ * @brief Implementation of the XFile importer class
+ */
+
+#ifndef ASSIMP_BUILD_NO_X_IMPORTER
+
+#include "AssetLib/X/XFileImporter.h"
+#include "AssetLib/X/XFileParser.h"
+#include "PostProcessing/ConvertToLHProcess.h"
+
+#include <assimp/TinyFormatter.h>
+#include <assimp/IOSystem.hpp>
+#include <assimp/scene.h>
+#include <assimp/DefaultLogger.hpp>
+#include <assimp/importerdesc.h>
+
+#include <cctype>
+#include <memory>
+
+using namespace Assimp;
+using namespace Assimp::Formatter;
+
+static const aiImporterDesc desc = {
+ "Direct3D XFile Importer",
+ "",
+ "",
+ "",
+ aiImporterFlags_SupportTextFlavour | aiImporterFlags_SupportBinaryFlavour | aiImporterFlags_SupportCompressedFlavour,
+ 1,
+ 3,
+ 1,
+ 5,
+ "x"
+};
+
+// ------------------------------------------------------------------------------------------------
+// Constructor to be privately used by Importer
+XFileImporter::XFileImporter()
+: mBuffer() {
+ // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Destructor, private as well
+XFileImporter::~XFileImporter() {
+ // empty
+}
+
+// ------------------------------------------------------------------------------------------------
+// Returns whether the class can handle the format of the given file.
+bool XFileImporter::CanRead( const std::string& pFile, IOSystem* pIOHandler, bool /*checkSig*/) const {
+ static const uint32_t token[] = { AI_MAKE_MAGIC("xof ") };
+ return CheckMagicToken(pIOHandler,pFile,token,AI_COUNT_OF(token));
+}
+
+// ------------------------------------------------------------------------------------------------
+// Get file extension list
+const aiImporterDesc* XFileImporter::GetInfo () const {
+ return &desc;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Imports the given file into the given scene structure.
+void XFileImporter::InternReadFile( const std::string& pFile, aiScene* pScene, IOSystem* pIOHandler) {
+ // read file into memory
+ std::unique_ptr<IOStream> file( pIOHandler->Open( pFile));
+ if ( file.get() == nullptr ) {
+ throw DeadlyImportError( "Failed to open file ", pFile, "." );
+ }
+
+ static const size_t MinSize = 16;
+ size_t fileSize = file->FileSize();
+ if ( fileSize < MinSize ) {
+ throw DeadlyImportError( "XFile is too small." );
+ }
+
+ // in the hope that binary files will never start with a BOM ...
+ mBuffer.resize( fileSize + 1);
+ file->Read( &mBuffer.front(), 1, fileSize);
+ ConvertToUTF8(mBuffer);
+
+ // parse the file into a temporary representation
+ XFileParser parser( mBuffer);
+
+ // and create the proper return structures out of it
+ CreateDataRepresentationFromImport( pScene, parser.GetImportedData());
+
+ // if nothing came from it, report it as error
+ if ( !pScene->mRootNode ) {
+ throw DeadlyImportError( "XFile is ill-formatted - no content imported." );
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Constructs the return data structure out of the imported data.
+void XFileImporter::CreateDataRepresentationFromImport( aiScene* pScene, XFile::Scene* pData)
+{
+ // Read the global materials first so that meshes referring to them can find them later
+ ConvertMaterials( pScene, pData->mGlobalMaterials);
+
+ // copy nodes, extracting meshes and materials on the way
+ pScene->mRootNode = CreateNodes( pScene, nullptr, pData->mRootNode);
+
+ // extract animations
+ CreateAnimations( pScene, pData);
+
+ // read the global meshes that were stored outside of any node
+ if( !pData->mGlobalMeshes.empty() ) {
+ // create a root node to hold them if there isn't any, yet
+ if( pScene->mRootNode == nullptr ) {
+ pScene->mRootNode = new aiNode;
+ pScene->mRootNode->mName.Set( "$dummy_node");
+ }
+
+ // convert all global meshes and store them in the root node.
+ // If there was one before, the global meshes now suddenly have its transformation matrix...
+ // Don't know what to do there, I don't want to insert another node under the present root node
+ // just to avoid this.
+ CreateMeshes( pScene, pScene->mRootNode, pData->mGlobalMeshes);
+ }
+
+ if (!pScene->mRootNode) {
+ throw DeadlyImportError( "No root node" );
+ }
+
+ // Convert everything to OpenGL space... it's the same operation as the conversion back, so we can reuse the step directly
+ MakeLeftHandedProcess convertProcess;
+ convertProcess.Execute( pScene);
+
+ FlipWindingOrderProcess flipper;
+ flipper.Execute(pScene);
+
+ // finally: create a dummy material if not material was imported
+ if( pScene->mNumMaterials == 0) {
+ pScene->mNumMaterials = 1;
+ // create the Material
+ aiMaterial* mat = new aiMaterial;
+ int shadeMode = (int) aiShadingMode_Gouraud;
+ mat->AddProperty<int>( &shadeMode, 1, AI_MATKEY_SHADING_MODEL);
+ // material colours
+ int specExp = 1;
+
+ aiColor3D clr = aiColor3D( 0, 0, 0);
+ mat->AddProperty( &clr, 1, AI_MATKEY_COLOR_EMISSIVE);
+ mat->AddProperty( &clr, 1, AI_MATKEY_COLOR_SPECULAR);
+
+ clr = aiColor3D( 0.5f, 0.5f, 0.5f);
+ mat->AddProperty( &clr, 1, AI_MATKEY_COLOR_DIFFUSE);
+ mat->AddProperty( &specExp, 1, AI_MATKEY_SHININESS);
+
+ pScene->mMaterials = new aiMaterial*[1];
+ pScene->mMaterials[0] = mat;
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Recursively creates scene nodes from the imported hierarchy.
+aiNode* XFileImporter::CreateNodes( aiScene* pScene, aiNode* pParent, const XFile::Node* pNode) {
+ if ( !pNode ) {
+ return nullptr;
+ }
+
+ // create node
+ aiNode* node = new aiNode;
+ node->mName.length = (ai_uint32)pNode->mName.length();
+ node->mParent = pParent;
+ memcpy( node->mName.data, pNode->mName.c_str(), pNode->mName.length());
+ node->mName.data[node->mName.length] = 0;
+ node->mTransformation = pNode->mTrafoMatrix;
+
+ // convert meshes from the source node
+ CreateMeshes( pScene, node, pNode->mMeshes);
+
+ // handle children
+ if( !pNode->mChildren.empty() ) {
+ node->mNumChildren = (unsigned int)pNode->mChildren.size();
+ node->mChildren = new aiNode* [node->mNumChildren];
+
+ for ( unsigned int a = 0; a < pNode->mChildren.size(); ++a ) {
+ node->mChildren[ a ] = CreateNodes( pScene, node, pNode->mChildren[ a ] );
+ }
+ }
+
+ return node;
+}
+
+// ------------------------------------------------------------------------------------------------
+// Creates the meshes for the given node.
+void XFileImporter::CreateMeshes( aiScene* pScene, aiNode* pNode, const std::vector<XFile::Mesh*>& pMeshes) {
+ if (pMeshes.empty()) {
+ return;
+ }
+
+ // create a mesh for each mesh-material combination in the source node
+ std::vector<aiMesh*> meshes;
+ for( unsigned int a = 0; a < pMeshes.size(); ++a ) {
+ XFile::Mesh* sourceMesh = pMeshes[a];
+ if ( nullptr == sourceMesh ) {
+ continue;
+ }
+
+ // first convert its materials so that we can find them with their index afterwards
+ ConvertMaterials( pScene, sourceMesh->mMaterials);
+
+ unsigned int numMaterials = std::max( (unsigned int)sourceMesh->mMaterials.size(), 1u);
+ for( unsigned int b = 0; b < numMaterials; ++b ) {
+ // collect the faces belonging to this material
+ std::vector<unsigned int> faces;
+ unsigned int numVertices = 0;
+ if( !sourceMesh->mFaceMaterials.empty() ) {
+ // if there is a per-face material defined, select the faces with the corresponding material
+ for( unsigned int c = 0; c < sourceMesh->mFaceMaterials.size(); ++c ) {
+ if( sourceMesh->mFaceMaterials[c] == b) {
+ faces.push_back( c);
+ numVertices += (unsigned int)sourceMesh->mPosFaces[c].mIndices.size();
+ }
+ }
+ } else {
+ // if there is no per-face material, place everything into one mesh
+ for( unsigned int c = 0; c < sourceMesh->mPosFaces.size(); ++c ) {
+ faces.push_back( c);
+ numVertices += (unsigned int)sourceMesh->mPosFaces[c].mIndices.size();
+ }
+ }
+
+ // no faces/vertices using this material? strange...
+ if ( numVertices == 0 ) {
+ continue;
+ }
+
+ // create a submesh using this material
+ aiMesh* mesh = new aiMesh;
+ meshes.push_back( mesh);
+
+ // find the material in the scene's material list. Either own material
+ // or referenced material, it should already have a valid index
+ if( !sourceMesh->mFaceMaterials.empty() ) {
+ mesh->mMaterialIndex = static_cast<unsigned int>(sourceMesh->mMaterials[b].sceneIndex);
+ } else {
+ mesh->mMaterialIndex = 0;
+ }
+
+ // Create properly sized data arrays in the mesh. We store unique vertices per face,
+ // as specified
+ mesh->mNumVertices = numVertices;
+ mesh->mVertices = new aiVector3D[numVertices];
+ mesh->mNumFaces = (unsigned int)faces.size();
+ mesh->mFaces = new aiFace[mesh->mNumFaces];
+
+ // name
+ mesh->mName.Set(sourceMesh->mName);
+
+ // normals?
+ if ( sourceMesh->mNormals.size() > 0 ) {
+ mesh->mNormals = new aiVector3D[ numVertices ];
+ }
+ // texture coords
+ for( unsigned int c = 0; c < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++c ) {
+ if ( !sourceMesh->mTexCoords[ c ].empty() ) {
+ mesh->mTextureCoords[ c ] = new aiVector3D[ numVertices ];
+ }
+ }
+ // vertex colors
+ for( unsigned int c = 0; c < AI_MAX_NUMBER_OF_COLOR_SETS; ++c ) {
+ if ( !sourceMesh->mColors[ c ].empty() ) {
+ mesh->mColors[ c ] = new aiColor4D[ numVertices ];
+ }
+ }
+
+ // now collect the vertex data of all data streams present in the imported mesh
+ unsigned int newIndex( 0 );
+ std::vector<unsigned int> orgPoints; // from which original point each new vertex stems
+ orgPoints.resize( numVertices, 0);
+
+ for( unsigned int c = 0; c < faces.size(); ++c ) {
+ unsigned int f = faces[c]; // index of the source face
+ const XFile::Face& pf = sourceMesh->mPosFaces[f]; // position source face
+
+ // create face. either triangle or triangle fan depending on the index count
+ aiFace& df = mesh->mFaces[c]; // destination face
+ df.mNumIndices = (unsigned int)pf.mIndices.size();
+ df.mIndices = new unsigned int[ df.mNumIndices];
+
+ // collect vertex data for indices of this face
+ for( unsigned int d = 0; d < df.mNumIndices; ++d ) {
+ df.mIndices[ d ] = newIndex;
+ const unsigned int newIdx( pf.mIndices[ d ] );
+ if ( newIdx > sourceMesh->mPositions.size() ) {
+ continue;
+ }
+
+ orgPoints[newIndex] = pf.mIndices[d];
+
+ // Position
+ mesh->mVertices[newIndex] = sourceMesh->mPositions[pf.mIndices[d]];
+ // Normal, if present
+ if ( mesh->HasNormals() ) {
+ if ( sourceMesh->mNormFaces[ f ].mIndices.size() > d ) {
+ const size_t idx( sourceMesh->mNormFaces[ f ].mIndices[ d ] );
+ mesh->mNormals[ newIndex ] = sourceMesh->mNormals[ idx ];
+ }
+ }
+
+ // texture coord sets
+ for( unsigned int e = 0; e < AI_MAX_NUMBER_OF_TEXTURECOORDS; ++e ) {
+ if( mesh->HasTextureCoords( e)) {
+ aiVector2D tex = sourceMesh->mTexCoords[e][pf.mIndices[d]];
+ mesh->mTextureCoords[e][newIndex] = aiVector3D( tex.x, 1.0f - tex.y, 0.0f);
+ }
+ }
+ // vertex color sets
+ for ( unsigned int e = 0; e < AI_MAX_NUMBER_OF_COLOR_SETS; ++e ) {
+ if ( mesh->HasVertexColors( e ) ) {
+ mesh->mColors[ e ][ newIndex ] = sourceMesh->mColors[ e ][ pf.mIndices[ d ] ];
+ }
+ }
+
+ newIndex++;
+ }
+ }
+
+ // there should be as much new vertices as we calculated before
+ ai_assert( newIndex == numVertices);
+
+ // convert all bones of the source mesh which influence vertices in this newly created mesh
+ const std::vector<XFile::Bone>& bones = sourceMesh->mBones;
+ std::vector<aiBone*> newBones;
+ for( unsigned int c = 0; c < bones.size(); ++c ) {
+ const XFile::Bone& obone = bones[c];
+ // set up a vertex-linear array of the weights for quick searching if a bone influences a vertex
+ std::vector<ai_real> oldWeights( sourceMesh->mPositions.size(), 0.0);
+ for ( unsigned int d = 0; d < obone.mWeights.size(); ++d ) {
+ oldWeights[ obone.mWeights[ d ].mVertex ] = obone.mWeights[ d ].mWeight;
+ }
+
+ // collect all vertex weights that influence a vertex in the new mesh
+ std::vector<aiVertexWeight> newWeights;
+ newWeights.reserve( numVertices);
+ for( unsigned int d = 0; d < orgPoints.size(); ++d ) {
+ // does the new vertex stem from an old vertex which was influenced by this bone?
+ ai_real w = oldWeights[orgPoints[d]];
+ if ( w > 0.0 ) {
+ newWeights.push_back( aiVertexWeight( d, w ) );
+ }
+ }
+
+ // if the bone has no weights in the newly created mesh, ignore it
+ if ( newWeights.empty() ) {
+ continue;
+ }
+
+ // create
+ aiBone* nbone = new aiBone;
+ newBones.push_back( nbone);
+ // copy name and matrix
+ nbone->mName.Set( obone.mName);
+ nbone->mOffsetMatrix = obone.mOffsetMatrix;
+ nbone->mNumWeights = (unsigned int)newWeights.size();
+ nbone->mWeights = new aiVertexWeight[nbone->mNumWeights];
+ for ( unsigned int d = 0; d < newWeights.size(); ++d ) {
+ nbone->mWeights[ d ] = newWeights[ d ];
+ }
+ }
+
+ // store the bones in the mesh
+ mesh->mNumBones = (unsigned int)newBones.size();
+ if( !newBones.empty()) {
+ mesh->mBones = new aiBone*[mesh->mNumBones];
+ std::copy( newBones.begin(), newBones.end(), mesh->mBones);
+ }
+ }
+ }
+
+ // reallocate scene mesh array to be large enough
+ aiMesh** prevArray = pScene->mMeshes;
+ pScene->mMeshes = new aiMesh*[pScene->mNumMeshes + meshes.size()];
+ if( prevArray) {
+ memcpy( pScene->mMeshes, prevArray, pScene->mNumMeshes * sizeof( aiMesh*));
+ delete [] prevArray;
+ }
+
+ // allocate mesh index array in the node
+ pNode->mNumMeshes = (unsigned int)meshes.size();
+ pNode->mMeshes = new unsigned int[pNode->mNumMeshes];
+
+ // store all meshes in the mesh library of the scene and store their indices in the node
+ for( unsigned int a = 0; a < meshes.size(); a++) {
+ pScene->mMeshes[pScene->mNumMeshes] = meshes[a];
+ pNode->mMeshes[a] = pScene->mNumMeshes;
+ pScene->mNumMeshes++;
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Converts the animations from the given imported data and creates them in the scene.
+void XFileImporter::CreateAnimations( aiScene* pScene, const XFile::Scene* pData) {
+ std::vector<aiAnimation*> newAnims;
+
+ for( unsigned int a = 0; a < pData->mAnims.size(); ++a ) {
+ const XFile::Animation* anim = pData->mAnims[a];
+ // some exporters mock me with empty animation tags.
+ if ( anim->mAnims.empty() ) {
+ continue;
+ }
+
+ // create a new animation to hold the data
+ aiAnimation* nanim = new aiAnimation;
+ newAnims.push_back( nanim);
+ nanim->mName.Set( anim->mName);
+ // duration will be determined by the maximum length
+ nanim->mDuration = 0;
+ nanim->mTicksPerSecond = pData->mAnimTicksPerSecond;
+ nanim->mNumChannels = (unsigned int)anim->mAnims.size();
+ nanim->mChannels = new aiNodeAnim*[nanim->mNumChannels];
+
+ for( unsigned int b = 0; b < anim->mAnims.size(); ++b ) {
+ const XFile::AnimBone* bone = anim->mAnims[b];
+ aiNodeAnim* nbone = new aiNodeAnim;
+ nbone->mNodeName.Set( bone->mBoneName);
+ nanim->mChannels[b] = nbone;
+
+ // key-frames are given as combined transformation matrix keys
+ if( !bone->mTrafoKeys.empty() )
+ {
+ nbone->mNumPositionKeys = (unsigned int)bone->mTrafoKeys.size();
+ nbone->mPositionKeys = new aiVectorKey[nbone->mNumPositionKeys];
+ nbone->mNumRotationKeys = (unsigned int)bone->mTrafoKeys.size();
+ nbone->mRotationKeys = new aiQuatKey[nbone->mNumRotationKeys];
+ nbone->mNumScalingKeys = (unsigned int)bone->mTrafoKeys.size();
+ nbone->mScalingKeys = new aiVectorKey[nbone->mNumScalingKeys];
+
+ for( unsigned int c = 0; c < bone->mTrafoKeys.size(); ++c) {
+ // deconstruct each matrix into separate position, rotation and scaling
+ double time = bone->mTrafoKeys[c].mTime;
+ aiMatrix4x4 trafo = bone->mTrafoKeys[c].mMatrix;
+
+ // extract position
+ aiVector3D pos( trafo.a4, trafo.b4, trafo.c4);
+
+ nbone->mPositionKeys[c].mTime = time;
+ nbone->mPositionKeys[c].mValue = pos;
+
+ // extract scaling
+ aiVector3D scale;
+ scale.x = aiVector3D( trafo.a1, trafo.b1, trafo.c1).Length();
+ scale.y = aiVector3D( trafo.a2, trafo.b2, trafo.c2).Length();
+ scale.z = aiVector3D( trafo.a3, trafo.b3, trafo.c3).Length();
+ nbone->mScalingKeys[c].mTime = time;
+ nbone->mScalingKeys[c].mValue = scale;
+
+ // reconstruct rotation matrix without scaling
+ aiMatrix3x3 rotmat(
+ trafo.a1 / scale.x, trafo.a2 / scale.y, trafo.a3 / scale.z,
+ trafo.b1 / scale.x, trafo.b2 / scale.y, trafo.b3 / scale.z,
+ trafo.c1 / scale.x, trafo.c2 / scale.y, trafo.c3 / scale.z);
+
+ // and convert it into a quaternion
+ nbone->mRotationKeys[c].mTime = time;
+ nbone->mRotationKeys[c].mValue = aiQuaternion( rotmat);
+ }
+
+ // longest lasting key sequence determines duration
+ nanim->mDuration = std::max( nanim->mDuration, bone->mTrafoKeys.back().mTime);
+ } else {
+ // separate key sequences for position, rotation, scaling
+ nbone->mNumPositionKeys = (unsigned int)bone->mPosKeys.size();
+ if (nbone->mNumPositionKeys != 0) {
+ nbone->mPositionKeys = new aiVectorKey[nbone->mNumPositionKeys];
+ for( unsigned int c = 0; c < nbone->mNumPositionKeys; ++c ) {
+ aiVector3D pos = bone->mPosKeys[c].mValue;
+
+ nbone->mPositionKeys[c].mTime = bone->mPosKeys[c].mTime;
+ nbone->mPositionKeys[c].mValue = pos;
+ }
+ }
+
+ // rotation
+ nbone->mNumRotationKeys = (unsigned int)bone->mRotKeys.size();
+ if (nbone->mNumRotationKeys != 0) {
+ nbone->mRotationKeys = new aiQuatKey[nbone->mNumRotationKeys];
+ for( unsigned int c = 0; c < nbone->mNumRotationKeys; ++c ) {
+ aiMatrix3x3 rotmat = bone->mRotKeys[c].mValue.GetMatrix();
+
+ nbone->mRotationKeys[c].mTime = bone->mRotKeys[c].mTime;
+ nbone->mRotationKeys[c].mValue = aiQuaternion( rotmat);
+ nbone->mRotationKeys[c].mValue.w *= -1.0f; // needs quat inversion
+ }
+ }
+
+ // scaling
+ nbone->mNumScalingKeys = (unsigned int)bone->mScaleKeys.size();
+ if (nbone->mNumScalingKeys != 0) {
+ nbone->mScalingKeys = new aiVectorKey[nbone->mNumScalingKeys];
+ for( unsigned int c = 0; c < nbone->mNumScalingKeys; c++)
+ nbone->mScalingKeys[c] = bone->mScaleKeys[c];
+ }
+
+ // longest lasting key sequence determines duration
+ if( bone->mPosKeys.size() > 0)
+ nanim->mDuration = std::max( nanim->mDuration, bone->mPosKeys.back().mTime);
+ if( bone->mRotKeys.size() > 0)
+ nanim->mDuration = std::max( nanim->mDuration, bone->mRotKeys.back().mTime);
+ if( bone->mScaleKeys.size() > 0)
+ nanim->mDuration = std::max( nanim->mDuration, bone->mScaleKeys.back().mTime);
+ }
+ }
+ }
+
+ // store all converted animations in the scene
+ if( newAnims.size() > 0)
+ {
+ pScene->mNumAnimations = (unsigned int)newAnims.size();
+ pScene->mAnimations = new aiAnimation* [pScene->mNumAnimations];
+ for( unsigned int a = 0; a < newAnims.size(); a++)
+ pScene->mAnimations[a] = newAnims[a];
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Converts all materials in the given array and stores them in the scene's material list.
+void XFileImporter::ConvertMaterials( aiScene* pScene, std::vector<XFile::Material>& pMaterials)
+{
+ // count the non-referrer materials in the array
+ unsigned int numNewMaterials( 0 );
+ for ( unsigned int a = 0; a < pMaterials.size(); ++a ) {
+ if ( !pMaterials[ a ].mIsReference ) {
+ ++numNewMaterials;
+ }
+ }
+
+ // resize the scene's material list to offer enough space for the new materials
+ if( numNewMaterials > 0 ) {
+ aiMaterial** prevMats = pScene->mMaterials;
+ pScene->mMaterials = new aiMaterial*[pScene->mNumMaterials + numNewMaterials];
+ if( nullptr != prevMats) {
+ ::memcpy( pScene->mMaterials, prevMats, pScene->mNumMaterials * sizeof( aiMaterial*));
+ delete [] prevMats;
+ }
+ }
+
+ // convert all the materials given in the array
+ for( unsigned int a = 0; a < pMaterials.size(); ++a ) {
+ XFile::Material& oldMat = pMaterials[a];
+ if( oldMat.mIsReference) {
+ // find the material it refers to by name, and store its index
+ for( size_t b = 0; b < pScene->mNumMaterials; ++b ) {
+ aiString name;
+ pScene->mMaterials[b]->Get( AI_MATKEY_NAME, name);
+ if( strcmp( name.C_Str(), oldMat.mName.data()) == 0 ) {
+ oldMat.sceneIndex = a;
+ break;
+ }
+ }
+
+ if( oldMat.sceneIndex == SIZE_MAX ) {
+ ASSIMP_LOG_WARN( "Could not resolve global material reference \"", oldMat.mName, "\"" );
+ oldMat.sceneIndex = 0;
+ }
+
+ continue;
+ }
+
+ aiMaterial* mat = new aiMaterial;
+ aiString name;
+ name.Set( oldMat.mName);
+ mat->AddProperty( &name, AI_MATKEY_NAME);
+
+ // Shading model: hard-coded to PHONG, there is no such information in an XFile
+ // FIX (aramis): If the specular exponent is 0, use gouraud shading. This is a bugfix
+ // for some models in the SDK (e.g. good old tiny.x)
+ int shadeMode = (int)oldMat.mSpecularExponent == 0.0f
+ ? aiShadingMode_Gouraud : aiShadingMode_Phong;
+
+ mat->AddProperty<int>( &shadeMode, 1, AI_MATKEY_SHADING_MODEL);
+ // material colours
+ // Unclear: there's no ambient colour, but emissive. What to put for ambient?
+ // Probably nothing at all, let the user select a suitable default.
+ mat->AddProperty( &oldMat.mEmissive, 1, AI_MATKEY_COLOR_EMISSIVE);
+ mat->AddProperty( &oldMat.mDiffuse, 1, AI_MATKEY_COLOR_DIFFUSE);
+ mat->AddProperty( &oldMat.mSpecular, 1, AI_MATKEY_COLOR_SPECULAR);
+ mat->AddProperty( &oldMat.mSpecularExponent, 1, AI_MATKEY_SHININESS);
+
+
+ // texture, if there is one
+ if (1 == oldMat.mTextures.size() ) {
+ const XFile::TexEntry& otex = oldMat.mTextures.back();
+ if (otex.mName.length()) {
+ // if there is only one texture assume it contains the diffuse color
+ aiString tex( otex.mName);
+ if ( otex.mIsNormalMap ) {
+ mat->AddProperty( &tex, AI_MATKEY_TEXTURE_NORMALS( 0 ) );
+ } else {
+ mat->AddProperty( &tex, AI_MATKEY_TEXTURE_DIFFUSE( 0 ) );
+ }
+ }
+ } else {
+ // Otherwise ... try to search for typical strings in the
+ // texture's file name like 'bump' or 'diffuse'
+ unsigned int iHM = 0,iNM = 0,iDM = 0,iSM = 0,iAM = 0,iEM = 0;
+ for( unsigned int b = 0; b < oldMat.mTextures.size(); ++b ) {
+ const XFile::TexEntry& otex = oldMat.mTextures[b];
+ std::string sz = otex.mName;
+ if ( !sz.length() ) {
+ continue;
+ }
+
+ // find the file name
+ std::string::size_type s = sz.find_last_of("\\/");
+ if ( std::string::npos == s ) {
+ s = 0;
+ }
+
+ // cut off the file extension
+ std::string::size_type sExt = sz.find_last_of('.');
+ if (std::string::npos != sExt){
+ sz[sExt] = '\0';
+ }
+
+ // convert to lower case for easier comparison
+ for ( unsigned int c = 0; c < sz.length(); ++c ) {
+ sz[ c ] = (char) tolower( (unsigned char) sz[ c ] );
+ }
+
+ // Place texture filename property under the corresponding name
+ aiString tex( oldMat.mTextures[b].mName);
+
+ // bump map
+ if (std::string::npos != sz.find("bump", s) || std::string::npos != sz.find("height", s)) {
+ mat->AddProperty( &tex, AI_MATKEY_TEXTURE_HEIGHT(iHM++));
+ } else if (otex.mIsNormalMap || std::string::npos != sz.find( "normal", s) || std::string::npos != sz.find("nm", s)) {
+ mat->AddProperty( &tex, AI_MATKEY_TEXTURE_NORMALS(iNM++));
+ } else if (std::string::npos != sz.find( "spec", s) || std::string::npos != sz.find( "glanz", s)) {
+ mat->AddProperty( &tex, AI_MATKEY_TEXTURE_SPECULAR(iSM++));
+ } else if (std::string::npos != sz.find( "ambi", s) || std::string::npos != sz.find( "env", s)) {
+ mat->AddProperty( &tex, AI_MATKEY_TEXTURE_AMBIENT(iAM++));
+ } else if (std::string::npos != sz.find( "emissive", s) || std::string::npos != sz.find( "self", s)) {
+ mat->AddProperty( &tex, AI_MATKEY_TEXTURE_EMISSIVE(iEM++));
+ } else {
+ // Assume it is a diffuse texture
+ mat->AddProperty( &tex, AI_MATKEY_TEXTURE_DIFFUSE(iDM++));
+ }
+ }
+ }
+
+ pScene->mMaterials[pScene->mNumMaterials] = mat;
+ oldMat.sceneIndex = pScene->mNumMaterials;
+ pScene->mNumMaterials++;
+ }
+}
+
+#endif // !! ASSIMP_BUILD_NO_X_IMPORTER
diff --git a/libs/assimp/code/AssetLib/X/XFileImporter.h b/libs/assimp/code/AssetLib/X/XFileImporter.h
new file mode 100644
index 0000000..6481390
--- /dev/null
+++ b/libs/assimp/code/AssetLib/X/XFileImporter.h
@@ -0,0 +1,148 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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 XFileImporter.h
+ * @brief Definition of the XFile importer class.
+ */
+#pragma once
+#ifndef AI_XFILEIMPORTER_H_INC
+#define AI_XFILEIMPORTER_H_INC
+
+#include <map>
+
+#include "XFileHelper.h"
+#include <assimp/BaseImporter.h>
+
+#include <assimp/types.h>
+
+struct aiNode;
+
+namespace Assimp {
+
+namespace XFile {
+ struct Scene;
+ struct Node;
+}
+
+// ---------------------------------------------------------------------------
+/** The XFileImporter is a worker class capable of importing a scene from a
+ * DirectX file .x
+ */
+class XFileImporter : public BaseImporter {
+public:
+ XFileImporter();
+ ~XFileImporter() override;
+
+ // -------------------------------------------------------------------
+ /** Returns whether the class can handle the format of the given file.
+ * See BaseImporter::CanRead() for details. */
+ bool CanRead( const std::string& pFile, IOSystem* pIOHandler,
+ bool CheckSig) const override;
+
+protected:
+ // -------------------------------------------------------------------
+ /** Return importer meta information.
+ * See #BaseImporter::GetInfo for the details
+ */
+ const aiImporterDesc* GetInfo () const override;
+
+ // -------------------------------------------------------------------
+ /** Imports the given file into the given scene structure.
+ * See BaseImporter::InternReadFile() for details
+ */
+ void InternReadFile( const std::string& pFile, aiScene* pScene,
+ IOSystem* pIOHandler) override;
+
+ // -------------------------------------------------------------------
+ /** Constructs the return data structure out of the imported data.
+ * @param pScene The scene to construct the return data in.
+ * @param pData The imported data in the internal temporary
+ * representation.
+ */
+ void CreateDataRepresentationFromImport( aiScene* pScene, XFile::Scene* pData);
+
+ // -------------------------------------------------------------------
+ /** Recursively creates scene nodes from the imported hierarchy.
+ * The meshes and materials of the nodes will be extracted on the way.
+ * @param pScene The scene to construct the return data in.
+ * @param pParent The parent node where to create new child nodes
+ * @param pNode The temporary node to copy.
+ * @return The created node
+ */
+ aiNode* CreateNodes( aiScene* pScene, aiNode* pParent,
+ const XFile::Node* pNode);
+
+ // -------------------------------------------------------------------
+ /** Converts all meshes in the given mesh array. Each mesh is split
+ * up per material, the indices of the generated meshes are stored in
+ * the node structure.
+ * @param pScene The scene to construct the return data in.
+ * @param pNode The target node structure that references the
+ * constructed meshes.
+ * @param pMeshes The array of meshes to convert
+ */
+ void CreateMeshes( aiScene* pScene, aiNode* pNode,
+ const std::vector<XFile::Mesh*>& pMeshes);
+
+ // -------------------------------------------------------------------
+ /** Converts the animations from the given imported data and creates
+ * them in the scene.
+ * @param pScene The scene to hold to converted animations
+ * @param pData The data to read the animations from
+ */
+ void CreateAnimations( aiScene* pScene, const XFile::Scene* pData);
+
+ // -------------------------------------------------------------------
+ /** Converts all materials in the given array and stores them in the
+ * scene's material list.
+ * @param pScene The scene to hold the converted materials.
+ * @param pMaterials The material array to convert.
+ */
+ void ConvertMaterials( aiScene* pScene, std::vector<XFile::Material>& pMaterials);
+
+protected:
+ /// Buffer to hold the loaded file
+ std::vector<char> mBuffer;
+};
+
+} // end of namespace Assimp
+
+#endif // AI_BASEIMPORTER_H_INC
diff --git a/libs/assimp/code/AssetLib/X/XFileParser.cpp b/libs/assimp/code/AssetLib/X/XFileParser.cpp
new file mode 100644
index 0000000..558b979
--- /dev/null
+++ b/libs/assimp/code/AssetLib/X/XFileParser.cpp
@@ -0,0 +1,1360 @@
+/*
+---------------------------------------------------------------------------
+Open Asset Import Library (assimp)
+---------------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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 Implementation of the XFile parser helper class */
+
+#ifndef ASSIMP_BUILD_NO_X_IMPORTER
+
+#include "XFileParser.h"
+#include "XFileHelper.h"
+#include <assimp/ByteSwapper.h>
+#include <assimp/Exceptional.h>
+#include <assimp/StringUtils.h>
+#include <assimp/TinyFormatter.h>
+#include <assimp/fast_atof.h>
+#include <assimp/DefaultLogger.hpp>
+
+using namespace Assimp;
+using namespace Assimp::XFile;
+using namespace Assimp::Formatter;
+
+#ifndef ASSIMP_BUILD_NO_COMPRESSED_X
+
+#include "Common/Compression.h"
+
+// Magic identifier for MSZIP compressed data
+constexpr unsigned int MSZIP_MAGIC = 0x4B43;
+constexpr size_t MSZIP_BLOCK = 32786l;
+
+#endif // !! ASSIMP_BUILD_NO_COMPRESSED_X
+
+// ------------------------------------------------------------------------------------------------
+// Throws an exception with a line number and the given text.
+template<typename... T>
+AI_WONT_RETURN void XFileParser::ThrowException(T&&... args) {
+ if (mIsBinaryFormat) {
+ throw DeadlyImportError(args...);
+ } else {
+ throw DeadlyImportError("Line ", mLineNumber, ": ", args...);
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+// Constructor. Creates a data structure out of the XFile given in the memory block.
+XFileParser::XFileParser(const std::vector<char> &pBuffer) :
+ mMajorVersion(0), mMinorVersion(0), mIsBinaryFormat(false), mBinaryNumCount(0), mP(nullptr), mEnd(nullptr), mLineNumber(0), mScene(nullptr) {
+ // vector to store uncompressed file for INFLATE'd X files
+ std::vector<char> uncompressed;
+
+ // set up memory pointers
+ mP = &pBuffer.front();
+ mEnd = mP + pBuffer.size() - 1;
+
+ // check header
+ if (0 != strncmp(mP, "xof ", 4)) {
+ throw DeadlyImportError("Header mismatch, file is not an XFile.");
+ }
+
+ // read version. It comes in a four byte format such as "0302"
+ mMajorVersion = (unsigned int)(mP[4] - 48) * 10 + (unsigned int)(mP[5] - 48);
+ mMinorVersion = (unsigned int)(mP[6] - 48) * 10 + (unsigned int)(mP[7] - 48);
+
+ bool compressed = false;
+
+ // txt - pure ASCII text format
+ if (strncmp(mP + 8, "txt ", 4) == 0)
+ mIsBinaryFormat = false;
+
+ // bin - Binary format
+ else if (strncmp(mP + 8, "bin ", 4) == 0)
+ mIsBinaryFormat = true;
+
+ // tzip - Inflate compressed text format
+ else if (strncmp(mP + 8, "tzip", 4) == 0) {
+ mIsBinaryFormat = false;
+ compressed = true;
+ }
+ // bzip - Inflate compressed binary format
+ else if (strncmp(mP + 8, "bzip", 4) == 0) {
+ mIsBinaryFormat = true;
+ compressed = true;
+ } else
+ ThrowException("Unsupported x-file format '", mP[8], mP[9], mP[10], mP[11], "'");
+
+ // float size
+ mBinaryFloatSize = (unsigned int)(mP[12] - 48) * 1000 + (unsigned int)(mP[13] - 48) * 100 + (unsigned int)(mP[14] - 48) * 10 + (unsigned int)(mP[15] - 48);
+
+ if (mBinaryFloatSize != 32 && mBinaryFloatSize != 64)
+ ThrowException("Unknown float size ", mBinaryFloatSize, " specified in x-file header.");
+
+ // The x format specifies size in bits, but we work in bytes
+ mBinaryFloatSize /= 8;
+
+ mP += 16;
+
+ // If this is a compressed X file, apply the inflate algorithm to it
+ if (compressed) {
+#ifdef ASSIMP_BUILD_NO_COMPRESSED_X
+ throw DeadlyImportError("Assimp was built without compressed X support");
+#else
+ /* ///////////////////////////////////////////////////////////////////////
+ * COMPRESSED X FILE FORMAT
+ * ///////////////////////////////////////////////////////////////////////
+ * [xhead]
+ * 2 major
+ * 2 minor
+ * 4 type // bzip,tzip
+ * [mszip_master_head]
+ * 4 unkn // checksum?
+ * 2 unkn // flags? (seems to be constant)
+ * [mszip_head]
+ * 2 ofs // offset to next section
+ * 2 magic // 'CK'
+ * ... ofs bytes of data
+ * ... next mszip_head
+ *
+ * http://www.kdedevelopers.org/node/3181 has been very helpful.
+ * ///////////////////////////////////////////////////////////////////////
+ */
+
+ // skip unknown data (checksum, flags?)
+ mP += 6;
+
+ // First find out how much storage we'll need. Count sections.
+ const char *P1 = mP;
+ unsigned int est_out = 0;
+
+ while (P1 + 3 < mEnd) {
+ // read next offset
+ uint16_t ofs = *((uint16_t *)P1);
+ AI_SWAP2(ofs);
+ P1 += 2;
+
+ if (ofs >= MSZIP_BLOCK)
+ throw DeadlyImportError("X: Invalid offset to next MSZIP compressed block");
+
+ // check magic word
+ uint16_t magic = *((uint16_t *)P1);
+ AI_SWAP2(magic);
+ P1 += 2;
+
+ if (magic != MSZIP_MAGIC)
+ throw DeadlyImportError("X: Unsupported compressed format, expected MSZIP header");
+
+ // and advance to the next offset
+ P1 += ofs;
+ est_out += MSZIP_BLOCK; // one decompressed block is 327861 in size
+ }
+
+ // Allocate storage and terminating zero and do the actual uncompressing
+ Compression compression;
+ uncompressed.resize(est_out + 1);
+ char *out = &uncompressed.front();
+ if (compression.open(mIsBinaryFormat ? Compression::Format::Binary : Compression::Format::ASCII,
+ Compression::FlushMode::SyncFlush, -Compression::MaxWBits)) {
+ while (mP + 3 < mEnd) {
+ uint16_t ofs = *((uint16_t *)mP);
+ AI_SWAP2(ofs);
+ mP += 4;
+
+ if (mP + ofs > mEnd + 2) {
+ throw DeadlyImportError("X: Unexpected EOF in compressed chunk");
+ }
+ out += compression.decompressBlock(mP, ofs, out, MSZIP_BLOCK);
+ mP += ofs;
+ }
+ compression.close();
+ }
+
+ // ok, update pointers to point to the uncompressed file data
+ mP = &uncompressed[0];
+ mEnd = out;
+
+ // FIXME: we don't need the compressed data anymore, could release
+ // it already for better memory usage. Consider breaking const-co.
+ ASSIMP_LOG_INFO("Successfully decompressed MSZIP-compressed file");
+#endif // !! ASSIMP_BUILD_NO_COMPRESSED_X
+ } else {
+ // start reading here
+ 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() {
+ bool running = true;
+ while (running) {
+ // 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(nullptr);
+ } 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?
+ ASSIMP_LOG_WARN("} found in dataObject");
+ } else {
+ // unknown format
+ ASSIMP_LOG_WARN("Unknown data object in animation of .x file");
+ 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
+ bool running = true;
+ while (running) {
+ 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 != nullptr) {
+ // place a dummy root if not there
+ if (mScene->mRootNode->mName != "$dummy_root") {
+ Node *exroot = mScene->mRootNode;
+ mScene->mRootNode = new Node(nullptr);
+ 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.
+ bool running = true;
+ while (running) {
+ 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(name);
+ node->mMeshes.push_back(mesh);
+ ParseDataObjectMesh(mesh);
+ } else {
+ ASSIMP_LOG_WARN("Unknown data object in frame in x file");
+ 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) {
+ // read indices
+ unsigned int numIndices = ReadInt();
+ Face &face = pMesh->mPosFaces[a];
+ for (unsigned int b = 0; b < numIndices; ++b) {
+ const int idx(ReadInt());
+ if (static_cast<unsigned int>(idx) <= numVertices) {
+ face.mIndices.push_back(idx);
+ }
+ }
+ TestForSeparator();
+ }
+
+ // here, other data objects may follow
+ bool running = true;
+ while (running) {
+ std::string objectName = GetNextToken();
+
+ if (objectName.empty())
+ 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 {
+ ASSIMP_LOG_WARN("Unknown data object in mesh in x file");
+ ParseUnknownDataObject();
+ }
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::ParseDataObjectSkinWeights(Mesh *pMesh) {
+ if (nullptr == pMesh) {
+ return;
+ }
+ 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.");
+ }
+
+ // do not crah when no face definitions are there
+ if (numFaces > 0) {
+ // normal face creation
+ pMesh->mNormFaces.resize(numFaces);
+ for (unsigned int a = 0; a < numFaces; ++a) {
+ unsigned int numIndices = ReadInt();
+ pMesh->mNormFaces[a] = Face();
+ Face &face = pMesh->mNormFaces[a];
+ for (unsigned int b = 0; b < numIndices; ++b) {
+ face.mIndices.push_back(ReadInt());
+ }
+
+ TestForSeparator();
+ }
+ }
+
+ CheckForClosingBrace();
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::ParseDataObjectMeshTextureCoords(Mesh *pMesh) {
+ readHeadOfDataObject();
+ if (pMesh->mNumTextures + 1 > AI_MAX_NUMBER_OF_TEXTURECOORDS)
+ ThrowException("Too many sets of texture coordinates");
+
+ 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();
+ if (pMesh->mNumColorSets + 1 > AI_MAX_NUMBER_OF_COLOR_SETS)
+ ThrowException("Too many colorsets");
+ 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();
+ // HACK: (thom) Maxon Cinema XPort plugin puts a third separator here, kwxPort puts a comma.
+ // Ignore gracefully.
+ if (!mIsBinaryFormat) {
+ FindNextNoneWhiteSpace();
+ if (*mP == ';' || *mP == ',')
+ mP++;
+ }
+ }
+
+ 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 (mP < mEnd && *mP == ';')
+ ++mP;
+ }
+
+ // 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
+ bool running = true;
+ while (running) {
+ 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 {
+ ASSIMP_LOG_WARN("Unknown data object in material list in x file");
+ ParseUnknownDataObject();
+ }
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::ParseDataObjectMaterial(Material *pMaterial) {
+ std::string matName;
+ readHeadOfDataObject(&matName);
+ if (matName.empty())
+ matName = std::string("material") + ai_to_string(mLineNumber);
+ 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
+ bool running = true;
+ while (running) {
+ 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(TexEntry(texname));
+ } else if (objectName == "NormalmapFilename" || objectName == "NormalmapFileName") {
+ // one exporter writes out the normal map in a separate filename tag
+ std::string texname;
+ ParseDataObjectTextureFilename(texname);
+ pMaterial->mTextures.push_back(TexEntry(texname, true));
+ } else {
+ ASSIMP_LOG_WARN("Unknown data object in material in x file");
+ 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;
+
+ bool running = true;
+ while (running) {
+ 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 {
+ ASSIMP_LOG_WARN("Unknown data object in animation set in x file");
+ ParseUnknownDataObject();
+ }
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::ParseDataObjectAnimation(Animation *pAnim) {
+ readHeadOfDataObject();
+ AnimBone *banim = new AnimBone;
+ pAnim->mAnims.push_back(banim);
+
+ bool running = true;
+ while (running) {
+ 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 {
+ ASSIMP_LOG_WARN("Unknown data object in animation in x file");
+ 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("Unknown key type ", keyType, " in animation.");
+ break;
+ } // end switch
+
+ // key separator
+ CheckForSeparator();
+ }
+
+ CheckForClosingBrace();
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::ParseDataObjectTextureFilename(std::string &pName) {
+ readHeadOfDataObject();
+ GetNextTokenAsString(pName);
+ CheckForClosingBrace();
+
+ // FIX: some files (e.g. AnimationTest.x) have "" as texture file name
+ if (!pName.length()) {
+ ASSIMP_LOG_WARN("Length of texture file name is zero. Skipping this texture.");
+ }
+
+ // some exporters write double backslash paths out. We simply replace them if we find them
+ while (pName.find("\\\\") != std::string::npos)
+ pName.replace(pName.find("\\\\"), 2, "\\");
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::ParseUnknownDataObject() {
+ // find opening delimiter
+ bool running = true;
+ while (running) {
+ 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.");
+}
+
+// ------------------------------------------------------------------------------------------------
+// tests and possibly consumes a separator char, but does nothing if there was no separator
+void XFileParser::TestForSeparator() {
+ if (mIsBinaryFormat)
+ return;
+
+ FindNextNoneWhiteSpace();
+ if (mP >= mEnd)
+ return;
+
+ // test and skip
+ if (*mP == ';' || *mP == ',')
+ mP++;
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::readHeadOfDataObject(std::string *poName) {
+ std::string nameOrBrace = GetNextToken();
+ if (nameOrBrace != "{") {
+ if (poName)
+ *poName = nameOrBrace;
+
+ if (GetNextToken() != "{") {
+ delete mScene;
+ 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.
+ if (mEnd - mP < 2) {
+ return s;
+ }
+ unsigned int tok = ReadBinWord();
+ unsigned int len;
+
+ // standalone tokens
+ switch (tok) {
+ case 1: {
+ // name token
+ if (mEnd - mP < 4) {
+ return s;
+ }
+ len = ReadBinDWord();
+ const int bounds = int(mEnd - mP);
+ const int iLen = int(len);
+ if (iLen < 0) {
+ return s;
+ }
+ if (bounds < iLen) {
+ return s;
+ }
+ s = std::string(mP, len);
+ mP += len;
+ }
+ return s;
+
+ case 2:
+ // string token
+ if (mEnd - mP < 4) return s;
+ len = ReadBinDWord();
+ if (mEnd - mP < int(len)) return s;
+ s = std::string(mP, len);
+ mP += (len + 2);
+ return s;
+ case 3:
+ // integer token
+ mP += 4;
+ return "<integer>";
+ case 5:
+ // GUID token
+ mP += 16;
+ return "<guid>";
+ case 6:
+ if (mEnd - mP < 4) return s;
+ len = ReadBinDWord();
+ mP += (len * 4);
+ return "<int_list>";
+ case 7:
+ if (mEnd - mP < 4) return s;
+ len = ReadBinDWord();
+ mP += (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 (mP >= mEnd)
+ return s;
+
+ while ((mP < mEnd) && !isspace((unsigned char)*mP)) {
+ // either keep token delimiters when already holding a token, or return if first valid char
+ if (*mP == ';' || *mP == '}' || *mP == '{' || *mP == ',') {
+ if (!s.size())
+ s.append(mP++, 1);
+ break; // stop for delimiter
+ }
+ s.append(mP++, 1);
+ }
+ }
+ return s;
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::FindNextNoneWhiteSpace() {
+ if (mIsBinaryFormat)
+ return;
+
+ bool running = true;
+ while (running) {
+ while (mP < mEnd && isspace((unsigned char)*mP)) {
+ if (*mP == '\n')
+ mLineNumber++;
+ ++mP;
+ }
+
+ if (mP >= mEnd)
+ return;
+
+ // check if this is a comment
+ if ((mP[0] == '/' && mP[1] == '/') || mP[0] == '#')
+ ReadUntilEndOfLine();
+ else
+ break;
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::GetNextTokenAsString(std::string &poString) {
+ if (mIsBinaryFormat) {
+ poString = GetNextToken();
+ return;
+ }
+
+ FindNextNoneWhiteSpace();
+ if (mP >= mEnd) {
+ delete mScene;
+ ThrowException("Unexpected end of file while parsing string");
+ }
+
+ if (*mP != '"') {
+ delete mScene;
+ ThrowException("Expected quotation mark.");
+ }
+ ++mP;
+
+ while (mP < mEnd && *mP != '"')
+ poString.append(mP++, 1);
+
+ if (mP >= mEnd - 1) {
+ delete mScene;
+ ThrowException("Unexpected end of file while parsing string");
+ }
+
+ if (mP[1] != ';' || mP[0] != '"') {
+ delete mScene;
+ ThrowException("Expected quotation mark and semicolon at the end of a string.");
+ }
+ mP += 2;
+}
+
+// ------------------------------------------------------------------------------------------------
+void XFileParser::ReadUntilEndOfLine() {
+ if (mIsBinaryFormat)
+ return;
+
+ while (mP < mEnd) {
+ if (*mP == '\n' || *mP == '\r') {
+ ++mP;
+ mLineNumber++;
+ return;
+ }
+
+ ++mP;
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+unsigned short XFileParser::ReadBinWord() {
+ ai_assert(mEnd - mP >= 2);
+ const unsigned char *q = (const unsigned char *)mP;
+ unsigned short tmp = q[0] | (q[1] << 8);
+ mP += 2;
+ return tmp;
+}
+
+// ------------------------------------------------------------------------------------------------
+unsigned int XFileParser::ReadBinDWord() {
+ ai_assert(mEnd - mP >= 4);
+
+ const unsigned char *q = (const unsigned char *)mP;
+ unsigned int tmp = q[0] | (q[1] << 8) | (q[2] << 16) | (q[3] << 24);
+ mP += 4;
+ return tmp;
+}
+
+// ------------------------------------------------------------------------------------------------
+unsigned int XFileParser::ReadInt() {
+ if (mIsBinaryFormat) {
+ if (mBinaryNumCount == 0 && mEnd - mP >= 2) {
+ unsigned short tmp = ReadBinWord(); // 0x06 or 0x03
+ if (tmp == 0x06 && mEnd - mP >= 4) // array of ints follows
+ mBinaryNumCount = ReadBinDWord();
+ else // single int follows
+ mBinaryNumCount = 1;
+ }
+
+ --mBinaryNumCount;
+ const size_t len(mEnd - mP);
+ if (len >= 4) {
+ return ReadBinDWord();
+ } else {
+ mP = mEnd;
+ return 0;
+ }
+ } else {
+ FindNextNoneWhiteSpace();
+
+ // TODO: consider using strtol10 instead???
+
+ // check preceding minus sign
+ bool isNegative = false;
+ if (*mP == '-') {
+ isNegative = true;
+ mP++;
+ }
+
+ // at least one digit expected
+ if (!isdigit((unsigned char)*mP))
+ ThrowException("Number expected.");
+
+ // read digits
+ unsigned int number = 0;
+ while (mP < mEnd) {
+ if (!isdigit((unsigned char)*mP))
+ break;
+ number = number * 10 + (*mP - 48);
+ mP++;
+ }
+
+ CheckForSeparator();
+
+ return isNegative ? ((unsigned int)-int(number)) : number;
+ }
+}
+
+// ------------------------------------------------------------------------------------------------
+ai_real XFileParser::ReadFloat() {
+ if (mIsBinaryFormat) {
+ if (mBinaryNumCount == 0 && mEnd - mP >= 2) {
+ unsigned short tmp = ReadBinWord(); // 0x07 or 0x42
+ if (tmp == 0x07 && mEnd - mP >= 4) // array of floats following
+ mBinaryNumCount = ReadBinDWord();
+ else // single float following
+ mBinaryNumCount = 1;
+ }
+
+ --mBinaryNumCount;
+ if (mBinaryFloatSize == 8) {
+ if (mEnd - mP >= 8) {
+ double res;
+ ::memcpy(&res, mP, 8);
+ mP += 8;
+ const ai_real result(static_cast<ai_real>(res));
+ return result;
+ } else {
+ mP = mEnd;
+ return 0;
+ }
+ } else {
+ if (mEnd - mP >= 4) {
+ ai_real result;
+ ::memcpy(&result, mP, 4);
+ mP += 4;
+ return result;
+ } else {
+ mP = mEnd;
+ return 0;
+ }
+ }
+ }
+
+ // text version
+ FindNextNoneWhiteSpace();
+ // check for various special strings to allow reading files from faulty exporters
+ // I mean you, Blender!
+ // Reading is safe because of the terminating zero
+ if (strncmp(mP, "-1.#IND00", 9) == 0 || strncmp(mP, "1.#IND00", 8) == 0) {
+ mP += 9;
+ CheckForSeparator();
+ return 0.0;
+ } else if (strncmp(mP, "1.#QNAN0", 8) == 0) {
+ mP += 8;
+ CheckForSeparator();
+ return 0.0;
+ }
+
+ ai_real result = 0.0;
+ mP = fast_atoreal_move<ai_real>(mP, result);
+
+ CheckForSeparator();
+
+ return result;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiVector2D XFileParser::ReadVector2() {
+ aiVector2D vector;
+ vector.x = ReadFloat();
+ vector.y = ReadFloat();
+ TestForSeparator();
+
+ return vector;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiVector3D XFileParser::ReadVector3() {
+ aiVector3D vector;
+ vector.x = ReadFloat();
+ vector.y = ReadFloat();
+ vector.z = ReadFloat();
+ TestForSeparator();
+
+ return vector;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiColor4D XFileParser::ReadRGBA() {
+ aiColor4D color;
+ color.r = ReadFloat();
+ color.g = ReadFloat();
+ color.b = ReadFloat();
+ color.a = ReadFloat();
+ TestForSeparator();
+
+ return color;
+}
+
+// ------------------------------------------------------------------------------------------------
+aiColor3D XFileParser::ReadRGB() {
+ aiColor3D color;
+ color.r = ReadFloat();
+ color.g = ReadFloat();
+ color.b = ReadFloat();
+ TestForSeparator();
+
+ return color;
+}
+
+// ------------------------------------------------------------------------------------------------
+// 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 between. The 3DSMax kwXport plugin seems to produce this
+ // mess in some cases
+ if (pNode->mChildren.size() == 1 && pNode->mMeshes.empty()) {
+ 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();
+
+ // transfer the transform as well
+ pNode->mTrafoMatrix = pNode->mTrafoMatrix * child->mTrafoMatrix;
+
+ // then kill it
+ delete child;
+ pNode->mChildren.clear();
+ }
+ }
+
+ // recurse
+ for (unsigned int a = 0; a < pNode->mChildren.size(); a++)
+ FilterHierarchy(pNode->mChildren[a]);
+}
+
+#endif // !! ASSIMP_BUILD_NO_X_IMPORTER
diff --git a/libs/assimp/code/AssetLib/X/XFileParser.h b/libs/assimp/code/AssetLib/X/XFileParser.h
new file mode 100644
index 0000000..36eac2a
--- /dev/null
+++ b/libs/assimp/code/AssetLib/X/XFileParser.h
@@ -0,0 +1,158 @@
+/*
+Open Asset Import Library (assimp)
+----------------------------------------------------------------------
+
+Copyright (c) 2006-2022, 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 Helper class to parse a XFile into a temporary structure */
+#ifndef AI_XFILEPARSER_H_INC
+#define AI_XFILEPARSER_H_INC
+
+#include <string>
+#include <vector>
+
+#include <assimp/types.h>
+
+namespace Assimp {
+ namespace XFile {
+ struct Node;
+ struct Mesh;
+ struct Scene;
+ struct Material;
+ struct Animation;
+ struct AnimBone;
+ }
+
+/**
+ * @brief The XFileParser reads a XFile either in text or binary form and builds a temporary
+ * data structure out of it.
+ */
+class XFileParser {
+public:
+ /// Constructor. Creates a data structure out of the XFile given in the memory block.
+ /// @param pBuffer Null-terminated memory buffer containing the XFile
+ explicit XFileParser( const std::vector<char>& pBuffer);
+
+ /// Destructor. Destroys all imported data along with it
+ ~XFileParser();
+
+ /// Returns the temporary representation of the imported data.
+ XFile::Scene* GetImportedData() const { return mScene; }
+
+protected:
+ void ParseFile();
+ void ParseDataObjectTemplate();
+ void ParseDataObjectFrame( XFile::Node *pParent);
+ void ParseDataObjectTransformationMatrix( aiMatrix4x4& pMatrix);
+ void ParseDataObjectMesh( XFile::Mesh* pMesh);
+ void ParseDataObjectSkinWeights( XFile::Mesh* pMesh);
+ void ParseDataObjectSkinMeshHeader( XFile::Mesh* pMesh);
+ void ParseDataObjectMeshNormals( XFile::Mesh* pMesh);
+ void ParseDataObjectMeshTextureCoords( XFile::Mesh* pMesh);
+ void ParseDataObjectMeshVertexColors( XFile::Mesh* pMesh);
+ void ParseDataObjectMeshMaterialList( XFile::Mesh* pMesh);
+ void ParseDataObjectMaterial( XFile::Material* pMaterial);
+ void ParseDataObjectAnimTicksPerSecond();
+ void ParseDataObjectAnimationSet();
+ void ParseDataObjectAnimation( XFile::Animation* pAnim);
+ void ParseDataObjectAnimationKey( XFile::AnimBone *pAnimBone);
+ void ParseDataObjectTextureFilename( std::string& pName);
+ void ParseUnknownDataObject();
+
+ //! places pointer to next begin of a token, and ignores comments
+ void FindNextNoneWhiteSpace();
+
+ //! returns next valid token. Returns empty string if no token there
+ std::string GetNextToken();
+
+ //! reads header of data object including the opening brace.
+ //! returns false if error happened, and writes name of object
+ //! if there is one
+ void readHeadOfDataObject(std::string *poName = nullptr);
+
+ //! checks for closing curly brace, throws exception if not there
+ void CheckForClosingBrace();
+
+ //! checks for one following semicolon, throws exception if not there
+ void CheckForSemicolon();
+
+ //! checks for a separator char, either a ',' or a ';'
+ void CheckForSeparator();
+
+ /// tests and possibly consumes a separator char, but does nothing if there was no separator
+ void TestForSeparator();
+
+ //! reads a x file style string
+ void GetNextTokenAsString( std::string& poString);
+
+ void ReadUntilEndOfLine();
+
+ unsigned short ReadBinWord();
+ unsigned int ReadBinDWord();
+ unsigned int ReadInt();
+ ai_real ReadFloat();
+ aiVector2D ReadVector2();
+ aiVector3D ReadVector3();
+ aiColor3D ReadRGB();
+ aiColor4D ReadRGBA();
+
+ /** Throws an exception with a line number and the given text. */
+ template<typename... T>
+ AI_WONT_RETURN void ThrowException(T&&... args) AI_WONT_RETURN_SUFFIX;
+
+ /**
+ * @brief Filters the imported hierarchy for some degenerated cases that some exporters produce.
+ * @param pData The sub-hierarchy to filter
+ */
+ void FilterHierarchy( XFile::Node* pNode);
+
+protected:
+ unsigned int mMajorVersion, mMinorVersion; ///< version numbers
+ bool mIsBinaryFormat; ///< true if the file is in binary, false if it's in text form
+ unsigned int mBinaryFloatSize; ///< float size in bytes, either 4 or 8
+ unsigned int mBinaryNumCount; /// < counter for number arrays in binary format
+ const char* mP;
+ const char* mEnd;
+ unsigned int mLineNumber; ///< Line number when reading in text format
+ XFile::Scene* mScene; ///< Imported data
+};
+
+} //! ns Assimp
+
+#endif // AI_XFILEPARSER_H_INC
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-01 18:19:40 +0000