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game/client/viewangleanim.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "utlvector.h"
+
+#define VIEWANIM_RELATIVE (1<<0)	// angles in keyframe are relative, add anim to current angles
+#define VIEWANIM_IGNORE_X (1<<1)	// ignore the x component of this animation
+#define VIEWANIM_IGNORE_Y (1<<2)	// ditto for y
+#define VIEWANIM_IGNORE_Z (1<<3)	// ditto for z
+
+#define QAngleToVector(a,v) { v[0] = a[0]; v[1] = a[1]; v[2] = a[2]; }
+
+class CViewAngleKeyFrame
+{	
+public:
+	CViewAngleKeyFrame( QAngle vecAngles, float flTime, int iFlags )
+	{
+		m_vecAngles = vecAngles;
+		m_flTime = flTime;
+		m_iFlags = iFlags;
+	}
+
+	// the target angles for this keyframe in the view angle animation
+	QAngle m_vecAngles;
+
+	// time position of this keyframe
+	float m_flTime;	
+
+	int m_iFlags;
+};
+
+
+typedef void (*ViewAnimCompleteCallback)( void );
+
+class CViewAngleAnimation : public C_BaseEntity
+{
+public:
+	CViewAngleAnimation();
+	~CViewAngleAnimation();
+
+	virtual void Spawn();
+
+	void DeleteKeyFrames();
+
+
+	void LoadViewAnimFile( const char *pKeyFrameFileName );
+	void SaveAsAnimFile( const char *pKeyFrameFileName );
+
+	void AddKeyFrame( CViewAngleKeyFrame *pKeyFrame );
+	bool IsFinished( void );
+	void RunAnimation( QAngle angles );
+	void ClientThink();
+
+	void SetAnimCompleteCallback( ViewAnimCompleteCallback pFunc )
+	{
+		m_pAnimCompleteCallback = pFunc;
+	}
+
+private:
+	void SetAngles( QAngle vecCalculatedAngles );
+
+	float m_flAnimStartTime;	// time this animation started
+	bool m_bFinished;
+
+	CUtlVector<CViewAngleKeyFrame *> m_KeyFrames;
+
+	QAngle m_vecBaseAngles;
+
+	int m_iFlags;
+
+	ViewAnimCompleteCallback m_pAnimCompleteCallback;
+};