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hammer/studiomodel.h

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+//========= Copyright <20> 1996-2005, Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $NoKeywords: $
+//=============================================================================//
+#ifndef STUDIOMODEL_H
+#define STUDIOMODEL_H
+
+#ifdef _WIN32
+#pragma once
+#endif
+
+#ifndef byte
+typedef unsigned char byte;
+#endif // byte
+
+#include "hammer_mathlib.h"
+#include "studio.h"
+#include "UtlVector.h"
+#include "datacache/imdlcache.h"
+#include "FileChangeWatcher.h"
+
+
+class StudioModel;
+class CMaterial;
+class CRender3D;
+class CRender2D;
+
+
+struct ModelCache_t
+{
+	StudioModel *pModel;
+	char *pszPath;
+	int nRefCount;
+};
+
+#define MAX_STUDIOMODELCACHE 2048
+
+//-----------------------------------------------------------------------------
+// Purpose: Defines an interface to a cache of studio models.
+//-----------------------------------------------------------------------------
+class CStudioModelCache
+{
+	public:
+
+		static StudioModel *FindModel(const char *pszModelPath);
+		static StudioModel *CreateModel(const char *pszModelPath);
+		static void ReloadModel( const char *pszModelPath );
+
+		static void AddRef(StudioModel *pModel);
+		static void Release(StudioModel *pModel);
+		static void AdvanceAnimation(float flInterval);
+
+	protected:
+
+		static BOOL AddModel(StudioModel *pModel, const char *pszModelPath);
+		static void RemoveModel(StudioModel *pModel);
+
+		static ModelCache_t m_Cache[MAX_STUDIOMODELCACHE];
+		static int m_nItems;
+};
+
+
+// Calling these will monitor the filesystem for changes to model files and automatically 
+// incorporate changes to the models.
+void InitStudioFileChangeWatcher();
+void UpdateStudioFileChangeWatcher();
+
+
+class StudioModel
+{
+public:
+
+	static bool				Initialize( void );
+	static void				Shutdown( void ); // garymcthack - need to call this.
+
+	StudioModel(void);
+	~StudioModel(void);
+
+	void					FreeModel ();
+	bool					LoadModel( const char *modelname );
+	bool					PostLoadModel ( const char *modelname );
+	void					DrawModel3D( CRender3D *pRender, const Color &color, float flAlpha, bool bWireframe);
+	void					DrawModel2D( CRender2D *pRender, float flAlpha, bool bWireFrame);
+	void					AdvanceFrame( float dt );
+
+	void					ExtractBbox( Vector &mins, Vector &maxs );
+	void					ExtractClippingBbox( Vector &mins, Vector &maxs );
+	void					ExtractMovementBbox( Vector &mins, Vector &maxs );
+	void					RotateBbox( Vector &Mins, Vector &Maxs, const QAngle &Angles );
+
+	void					SetFrame( int nFrame );
+	int						GetMaxFrame( void );
+
+	int						SetSequence( int iSequence );
+	int						GetSequence( void );
+	int						GetSequenceCount( void );
+	void					GetSequenceName( int nIndex, char *szName );
+	void					GetSequenceInfo( float *pflFrameRate, float *pflGroundSpeed );
+	const char				*GetModelName( void );
+	int						SetBodygroup( int iGroup, int iValue );
+	int						SetBodygroups( int iValue );
+	int						SetSkin( int iValue );
+	void					SetOrigin( float x, float y, float z );
+	void					GetOrigin( float &x, float &y, float &z );
+	void					SetOrigin( const Vector &v );
+	void					GetOrigin( Vector &v );
+	void					SetAngles( QAngle& pfAngles );
+	bool					IsTranslucent();
+
+private:
+	CStudioHdr				*m_pStudioHdr;
+	CStudioHdr				*GetStudioHdr() const;
+	studiohdr_t*			GetStudioRenderHdr() const;
+	studiohwdata_t*			GetHardwareData();
+
+	// entity settings
+	Vector					m_origin;
+	QAngle					m_angles;	
+	int						m_sequence;			// sequence index
+	float					m_cycle;			// pos in animation cycle
+	int						m_bodynum;			// bodypart selection	
+	int						m_skinnum;			// skin group selection
+	byte					m_controller[MAXSTUDIOBONECTRLS];	// bone controllers
+	float					m_poseParameter[MAXSTUDIOPOSEPARAM];		// animation blending
+	byte					m_mouth;			// mouth position
+	char*					m_pModelName;		// model file name
+
+	Vector			        *m_pPosePos;
+	QuaternionAligned		*m_pPoseAng;
+
+	// internal data
+	MDLHandle_t				m_MDLHandle;
+	mstudiomodel_t			*m_pModel;	
+
+	void					SetUpBones ( bool bUpdatePose, matrix3x4a_t*	pBoneToWorld );
+	void					SetupModel ( int bodypart );
+
+	void					LoadStudioRender( void );
+
+	bool					LoadVVDFile( const char *modelname );
+	bool					LoadVTXFile( const char *modelname );
+};
+
+
+extern Vector g_vright;		// needs to be set to viewer's right in order for chrome to work
+extern float g_lambert;		// modifier for pseudo-hemispherical lighting
+
+
+#endif // STUDIOMODEL_H