Add setup for LDraw Importer

Add necessary class and register it

code/CMakeLists.txt

@@ -219,6 +219,12 @@ SET( Irr_SRCS
 )
 SOURCE_GROUP( Irr FILES ${Irr_SRCS})
 
+SET( LDR_SRCS
+	LDrawImporter.cpp
+	LDrawImporter.h
+)
+SOURCE_GROUP( LDR FILES ${LDR_SRCS})
+
 SET( LWO_SRCS
 	LWOAnimation.cpp
 	LWOAnimation.h
@@ -637,6 +643,7 @@ SET( assimp_src
 	${CSM_SRCS}
 	${HMP_SRCS}
 	${Irr_SRCS}
+	${LDR_SRCS}
 	${LWO_SRCS}
 	${LWS_SRCS}
 	${MD2_SRCS}

code/ImporterRegistry.cpp

@@ -166,6 +166,9 @@ corresponding preprocessor flag to selectively disable formats.
 #ifndef ASSIMP_BUILD_NO_FBX_IMPORTER
 #   include "FBXImporter.h"
 #endif 
+#ifndef ASSIMP_BUILD_NO_LDR_IMPORTER
+#   include "LDrawImporter.h"
+#endif 
 
 namespace Assimp {
 
@@ -291,6 +294,9 @@ void GetImporterInstanceList(std::vector< BaseImporter* >& out)
 #if ( !defined ASSIMP_BUILD_NO_FBX_IMPORTER )
 	out.push_back( new FBXImporter() );
 #endif
+#if ( !defined ASSIMP_BUILD_NO_LDR_IMPORTER )
+	out.push_back( new LDrawImporter() );
+#endif
 }
 
 }

code/LDrawImporter.cpp

@@ -0,0 +1,67 @@
+
+/** @file  LDrawImporter.cpp
+ *  @brief Implementation of the LDraw importer.
+ */
+#ifndef ASSIMP_BUILD_NO_LDR_IMPORTER
+#include "LDrawImporter.h"
+
+using namespace Assimp;
+
+static const aiImporterDesc desc = {
+	"LDraw Importer",
+	"Tobias 'diiigle' Rittig",
+	"",
+	"ignoring Linetype 5 'optional lines'",
+	0,
+	0,
+	0,
+	0,
+	0,
+	"ldr dat mpd"
+};
+
+LDrawImporter::LDrawImporter()
+{
+}
+
+LDrawImporter::~LDrawImporter()
+{
+}
+
+// -------------------------------------------------------------------------------
+// Returns whether the class can handle the format of the given file. 
+bool LDrawImporter::CanRead(const std::string& pFile, IOSystem* pIOHandler,
+	bool checkSig) const
+{
+	const std::string extension = GetExtension(pFile);
+	if (extension == "ldr" || extension == "dat" || extension == "mpd") {
+		return true;
+	}
+	if (!extension.length() || checkSig) {
+		const char* tokens[] = { "0 !LDRAW_ORG", "0 !LICENSE" };
+		return SearchFileHeaderForToken(pIOHandler, pFile, tokens, 2);
+	}
+	return false;
+}
+// -------------------------------------------------------------------------------
+const aiImporterDesc* LDrawImporter::GetInfo() const {
+	return &desc;
+}
+// -------------------------------------------------------------------------------
+void LDrawImporter::InternReadFile(const std::string& pFile,
+	aiScene* pScene, IOSystem* pIOHandler)
+{
+	boost::scoped_ptr<IOStream> file(pIOHandler->Open(pFile, "rb"));
+	// Check whether we can read from the file
+	if (file.get() == NULL) {
+		throw DeadlyImportError("Failed to open LDraw file " + pFile + ".");
+	}
+
+	// Your task: fill pScene
+	// Throw a ImportErrorException with a meaningful (!) error message if 
+	// something goes wrong.
+	std::vector<char> buffer;
+	TextFileToBuffer(file.get(), buffer);
+}
+
+#endif // !ASSIMP_BUILD_NO_LDR_IMPORTER

code/LDrawImporter.h

@@ -0,0 +1,37 @@
+/** @file  LDrawImporter.h
+ *  @brief Declaration of the LDraw importer class
+ */
+#ifndef INCLUDED_AI_LDR_IMPORTER_H
+#define INCLUDED_AI_LDR_IMPORTER_H
+
+#include "AssimpPCH.h"
+
+namespace Assimp{
+
+	class LDrawImporter : public BaseImporter
+	{
+	public:
+		LDrawImporter();
+		~LDrawImporter();
+
+		// -------------------------------------------------------------------
+
+		bool CanRead(const std::string& pFile, IOSystem* pIOHandler,
+			bool checkSig) const;
+
+	protected:
+		// -------------------------------------------------------------------
+
+		const aiImporterDesc* GetInfo() const;
+
+		// -------------------------------------------------------------------
+
+		void InternReadFile(const std::string& pFile, aiScene* pScene,
+			IOSystem* pIOHandler);
+
+		// -------------------------------------------------------------------
+
+	}; //end of class LDrawImporter
+
+} // end of namespace Assimp
+#endif // !INCLUDED_AI_LDR_IMPORTER_H