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game/shared/weapon_ifmsteadycam.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//===========================================================================//
+
+#ifndef WEAPON_IFMSTEADYCAM_H
+#define WEAPON_IFMSTEADYCAM_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "weapon_ifmbasecamera.h"
+
+#if defined( CLIENT_DLL )
+	#define CWeaponIFMSteadyCam C_WeaponIFMSteadyCam
+#endif
+
+class CWeaponIFMSteadyCam : public CWeaponIFMBaseCamera
+{
+public:
+	DECLARE_CLASS( CWeaponIFMSteadyCam, CWeaponIFMBaseCamera );
+	DECLARE_NETWORKCLASS(); 
+	DECLARE_PREDICTABLE();
+
+#ifdef GAME_DLL
+	DECLARE_DATADESC();
+#endif
+
+public:
+	// Shared code
+	CWeaponIFMSteadyCam();
+	virtual ~CWeaponIFMSteadyCam();
+
+ 	virtual void ItemPostFrame();
+
+private:
+
+#ifdef CLIENT_DLL
+
+public:
+	// Client code
+	virtual void CreateMove( float flInputSampleTime, CUserCmd *pCmd, const QAngle &vecOldViewAngles );
+	virtual void DrawCrosshair( void );
+	virtual void GetToolRecordingState( KeyValues *msg );
+
+private:
+	// Purpose: Draw the weapon's crosshair
+	void DrawArmLength( int x, int y, int w, int h, Color clr );
+	void DrawFOV( int x, int y, int w, int h, Color clrEdges, Color clrTriangle );
+
+	// Transmits the lock target
+	void TransmitLockTarget();
+
+	// Updates the relative orientation of the camera
+	void UpdateRelativeOrientation();
+	void UpdateLockedRelativeOrientation();
+	void UpdateDirectRelativeOrientation();
+	
+	// Computes a matrix given a forward direction
+	void MatrixFromForwardDirection( const Vector &vecForward, matrix3x4_t &mat );
+
+	// Targets the camera to always look at a point
+	void LockCamera();
+
+	// Toggles to springy camera
+	void ToggleSpringCamera();
+	void ToggleDirectMode();
+
+	// Compute the location of the camera for rendering
+	virtual void ComputeAbsCameraTransform( Vector &origin, QAngle &angles );
+
+	// Updates the relative orientation of the camera, spring mode
+	void ComputeMouseRay( const VMatrix &steadyCamToPlayer, Vector &vecForward );
+
+	// Updates the 2d spring
+	void ComputeViewOffset();
+
+	bool m_bIsLocked;
+	bool m_bInDirectMode;
+	bool m_bInSpringMode;
+	Vector m_vecOffset;
+
+	Vector m_vec2DVelocity;
+	Vector m_vecActualViewOffset;
+	Vector m_vecViewOffset;
+	float m_flFOVOffsetY;
+
+	vgui::HFont	 m_hFont;
+	int m_nTextureId;
+#endif // CLIENT_DLL
+
+#ifdef GAME_DLL
+public:
+	// Server code
+#endif // GAME_DLL
+
+private:
+	EHANDLE m_hLockTarget;
+	
+private:
+	CWeaponIFMSteadyCam( const CWeaponIFMSteadyCam & );
+};
+
+
+#endif // WEAPON_IFMSTEADYCAM_H