assimp/code/MD5Loader.h

/*
Open Asset Import Library (assimp)
----------------------------------------------------------------------

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All rights reserved.

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  copyright notice, this list of conditions and the
  following disclaimer.

* Redistributions in binary form must reproduce the above
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*/


/** @file   MD5Loader.h
 *  @brief Definition of the .MD5 importer class.
 *  http://www.modwiki.net/wiki/MD5_(file_format)
*/
#ifndef AI_MD5LOADER_H_INCLUDED
#define AI_MD5LOADER_H_INCLUDED

#include "BaseImporter.h"
#include "MD5Parser.h"

#include "../include/assimp/types.h"
struct aiNode;
struct aiNodeAnim;

namespace Assimp	{

class IOStream;
using namespace Assimp::MD5;

// ---------------------------------------------------------------------------
/** Importer class for the MD5 file format
*/
class MD5Importer : public BaseImporter
{
public:
	MD5Importer();
	~MD5Importer();


public:

	// -------------------------------------------------------------------
	/** 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;

protected:

	// -------------------------------------------------------------------
	/** Return importer meta information.
	 * See #BaseImporter::GetInfo for the details
	 */
	const aiImporterDesc* GetInfo () const;

	// -------------------------------------------------------------------
	/** Called prior to ReadFile().
	 * The function is a request to the importer to update its configuration
	 * basing on the Importer's configuration property list.
	 */
	void SetupProperties(const Importer* pImp);
	
	// -------------------------------------------------------------------
	/** Imports the given file into the given scene structure. 
	 * See BaseImporter::InternReadFile() for details
	 */
	void InternReadFile( const std::string& pFile, aiScene* pScene, 
		IOSystem* pIOHandler);

protected:


	// -------------------------------------------------------------------
	/** Load a *.MD5MESH file.
	 */
	void LoadMD5MeshFile ();

	// -------------------------------------------------------------------
	/** Load a *.MD5ANIM file.
	 */
	void LoadMD5AnimFile ();

	// -------------------------------------------------------------------
	/** Load a *.MD5CAMERA file.
	 */
	void LoadMD5CameraFile ();

	// -------------------------------------------------------------------
	/** Construct node hierarchy from a given MD5ANIM 
	 *  @param iParentID Current parent ID
	 *  @param piParent Parent node to attach to
	 *  @param bones Input bones
	 *  @param node_anims Generated node animations
	*/
	void AttachChilds_Anim(int iParentID,aiNode* piParent, 
		AnimBoneList& bones,const aiNodeAnim** node_anims);

	// -------------------------------------------------------------------
	/** Construct node hierarchy from a given MD5MESH 
	 *  @param iParentID Current parent ID
	 *  @param piParent Parent node to attach to
	 *  @param bones Input bones
	*/
	void AttachChilds_Mesh(int iParentID,aiNode* piParent,BoneList& bones);

	// -------------------------------------------------------------------
	/** Build unique vertex buffers from a given MD5ANIM
	 *  @param meshSrc Input data
	 */
	void MakeDataUnique (MD5::MeshDesc& meshSrc);

	// -------------------------------------------------------------------
	/** Load the contents of a specific file into memory and
	 *  alocates a buffer to keep it.
	 *
	 *  mBuffer is modified to point to this buffer.
	 *  @param pFile File stream to be read
	*/
	void LoadFileIntoMemory (IOStream* pFile);
	void UnloadFileFromMemory ();


	/** IOSystem to be used to access files */
	IOSystem* mIOHandler;

	/** Path to the file, excluding the file extension but
	    with the dot */
	std::string mFile;

	/** Buffer to hold the loaded file */
	char* mBuffer;

	/** Size of the file */
	unsigned int fileSize;

	/** Current line number. For debugging purposes */
	unsigned int iLineNumber;

	/** Scene to be filled */
	aiScene* pScene;

	/** (Custom) I/O handler implementation */
	IOSystem* pIOHandler;

	/** true if a MD5MESH file has already been parsed */
	bool bHadMD5Mesh;

	/** true if a MD5ANIM file has already been parsed */
	bool bHadMD5Anim;

	/** true if a MD5CAMERA file has already been parsed */
	bool bHadMD5Camera;

	/** configuration option: prevent anim autoload */
	bool configNoAutoLoad;
};

} // end of namespace Assimp

#endif // AI_3DSIMPORTER_H_INC