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CryAnimation/CryModelLoader.h

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+/////////////////////////////////////////////////////////////////////////////////////////////////////
+//
+//	Crytek Character Animation source code
+//	
+//	History:
+//	Created by Sergiy Migdalskiy
+//
+//  Contains the load code for CryModel class, loads geometry and animation
+//
+/////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+#ifndef _CRY_MODEL_LOADER_HDR_
+#define _CRY_MODEL_LOADER_HDR_
+
+class CryCharBody;
+class CControllerManager;
+
+#include "CryAnimationBase.h"
+#include "ChunkFileReader.h"
+#include <StlUtils.h>
+
+class CryModelLoader
+{
+public:
+	CryModelLoader (CControllerManager* pControllerManager);
+	~CryModelLoader();
+
+	CryModel* loadNew (CryCharBody* pBody, const string& strGeomFileName, float fScale);
+
+	// cleans up the resources allocated during load
+	void clear();
+protected:
+	// tries to find out if there are any animations for this file; if there are some, 
+	// prepares to load them and returns true; otherwise returns false
+	bool searchAnimations ();
+
+	// searches for lod models for the given model; returns false in case of some error
+	bool preloadCGFs();
+
+	// loads the CCG in memory
+	bool preloadCCG();
+
+	// loads animations for already loaded model
+	bool loadAnimations();
+
+	// loads animations for the given file from the given directory, loading all cal files
+	// which begin with the cgf file name and underscope (this is the convention for the cgf's that don't have cal file associated)
+	unsigned loadAnimationsNoCAL ();
+
+	// loads animations for this cgf from the given cal file
+	// does NOT close the file (the file belongs to the calling party)
+	unsigned loadAnimationsWithCAL ();
+
+
+	// loads the geometry files (LOD files, starting with the main one)
+	bool loadCGFs();
+
+	// loads the CCG (including all the LODs in it)
+	bool loadCCG ();
+
+	// creates the skin objects for the geometry and morph targets
+	bool buildSkins();
+
+	bool loadTextures();
+
+	// information about an animation to load
+	struct SAnimFile
+	{
+		string strFileName;
+		string strAnimName;
+		unsigned nAnimFlags; // combination of GlobalAnimation internal flags
+		SAnimFile (const string& fileName, const char* szAnimName, unsigned animflags):
+		strFileName(fileName), strAnimName(szAnimName), nAnimFlags(animflags) {}
+		SAnimFile():nAnimFlags(0) {}
+	};
+
+	// the animation file array
+	typedef std::vector<SAnimFile> AnimFileArray;
+	// loads the animations fromthe array
+	unsigned loadAnimationArray (const AnimFileArray& arrAnimFiles);
+
+	typedef CAutoClear<CryModelLoader> CAutoClearLoader;
+
+	// forgets about the m_pModel (so that it doesn't get deleted upon done()),
+	// and returns it
+	CryModel* detachModel();
+
+	void indicateProgress(const char*szMsg=NULL);
+
+	string getCCGFilePath()
+	{
+		return 
+			m_bExtCCG ? m_strGeomFileNameNoExt + ".ccg"
+			:
+			"CCGF_CACHE\\" + m_strGeomFileNameNoExt+".ccg";
+	}
+protected:
+
+	// the controller manager for the new model; this remains the same during the whole lifecycle
+	CControllerManager* m_pControllerManager;
+	// the model being loaded
+	CryModel* m_pModel;
+
+	// the file without extension
+	string m_strGeomFileNameNoExt;
+
+	// the name of the cal file
+	string m_strCalFileName;
+	// the CAL file handle, or NULL if none
+	FILE * m_fCalFile;
+	// the handle with which the animations are to be found, -1 by default
+	intptr_t m_nCafFindFileHandle;
+	struct _finddata_t m_fileinfo;
+
+	// different LODs are kept in different files; each file will have its own reader here
+	TFixedArray<CChunkFileReader_AutoPtr> m_arrLodFiles;
+
+	// if the model is loaded from a CCG, then this gets loaded:
+	// the data buffer for the CCG
+	std::vector<char> m_arrBufferCCG;
+
+	// model scale
+	float m_fScale;
+
+	bool m_bExtCCG; // we're loading the CCG by the command-line (we don't transform CGF name)
+
+	// gets set to true if and only if the initial position of bone infos have been set
+	// from the initial pos chunk (i.e. no need to set it from the default animation)
+	// gets initialized in loadLODs()
+	// gets used in loadAnimations()
+	bool m_bBoneInitPosInitialized;
+
+	// set to true when we load from a compiled file (CCG) rather than CGF
+	bool m_bLoadFromCCG;
+};
+
+
+#endif