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game/shared/tf/tf_weapon_knife.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Weapon Knife Class
+//
+//=============================================================================
+#ifndef TF_WEAPON_KNIFE_H
+#define TF_WEAPON_KNIFE_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include "tf_weaponbase_melee.h"
+
+#ifdef CLIENT_DLL
+#define CTFKnife C_TFKnife
+#endif
+
+// Knives use the "set_weapon_mode" attribute to define which type of knife they are
+// Keep this enum in sync with the values used for set_weapon_mode.
+enum knife_weapontypes_t
+{
+	KNIFE_STANDARD = 0,
+	KNIFE_DISGUISE_ONKILL = 1,
+	KNIFE_MOVEMENT_CLOAK = 2,		// The Cloak and Dagger
+	KNIFE_ICICLE = 3,
+};
+
+//=============================================================================
+//
+// Knife class.
+//
+class CTFKnife : public CTFWeaponBaseMelee
+{
+public:
+
+	DECLARE_CLASS( CTFKnife, CTFWeaponBaseMelee );
+	DECLARE_NETWORKCLASS(); 
+	DECLARE_PREDICTABLE();
+
+	CTFKnife();
+	virtual void		PrimaryAttack( void ) OVERRIDE;
+	virtual int			GetWeaponID( void ) const OVERRIDE			{ return TF_WEAPON_KNIFE; }
+	int					GetKnifeType( void ) const { int iMode = 0; CALL_ATTRIB_HOOK_INT( iMode, set_weapon_mode ); return iMode; };
+
+	virtual float		GetMeleeDamage( CBaseEntity *pTarget, int* piDamageType, int* piCustomDamage ) OVERRIDE;
+
+	virtual void		SendPlayerAnimEvent( CTFPlayer *pPlayer ) OVERRIDE;
+
+	virtual bool		CanDeploy( void ) OVERRIDE;
+	virtual bool		Deploy( void ) OVERRIDE;
+	void				BackstabVMThink( void );
+
+	bool				SendWeaponAnim( int iActivity );
+
+	bool				CanPerformBackstabAgainstTarget( CTFPlayer *pTarget );		// "backstab" sometimes means "frontstab"
+	bool				IsBehindAndFacingTarget( CTFPlayer *pTarget );
+	bool				IsBackstab( void ) { return (m_hBackstabVictim.Get() != NULL); }
+	void				BackstabBlocked( void );
+	bool				ShouldDisguiseOnBackstab( void );
+	void				DisguiseOnKill();
+	void				ProcessDisguiseImpulse();
+
+	virtual bool		CanHolster( void ) const OVERRIDE;
+
+	virtual void		ItemPostFrame( void ) OVERRIDE;
+	virtual void		ItemPreFrame( void ) OVERRIDE;
+	virtual void		ItemBusyFrame( void ) OVERRIDE;
+	virtual void		ItemHolsterFrame( void ) OVERRIDE;
+
+	virtual bool		CalcIsAttackCriticalHelper( void ) OVERRIDE;
+	virtual bool		CalcIsAttackCriticalHelperNoCrits( void ) OVERRIDE;
+	virtual bool		DoSwingTrace( trace_t &trace ) OVERRIDE;
+
+	virtual void		WeaponRegenerate( void ) OVERRIDE;
+	virtual void		WeaponReset( void ) OVERRIDE; 
+
+#ifdef GAME_DLL
+	virtual void		ApplyOnInjuredAttributes( CTFPlayer *pVictim, CTFPlayer *pAttacker, const CTakeDamageInfo &info ) OVERRIDE;	// when owner of this weapon is hit
+	bool				DecreaseRegenerationTime( float value, bool bForce );
+#endif
+
+	float				GetProgress( void );
+	const char*			GetEffectLabelText( void ) { return "#TF_KNIFE"; }
+
+private:
+	void 				ResetVars( void );
+
+private:
+	float				m_flBlockedTime;
+	bool				m_bAllowHolsterBecauseForced;
+	CHandle<CTFPlayer>	m_hBackstabVictim;
+	CNetworkVar( bool,	m_bReadyToBackstab );
+	CNetworkVar( bool,	m_bKnifeExists );
+	CNetworkVar( float, m_flKnifeRegenerateDuration );
+	CNetworkVar( float, m_flKnifeMeltTimestamp );
+
+	bool m_bWasTaunting;
+
+	CTFKnife( const CTFKnife & ) {}
+};
+
+inline float CTFKnife::GetProgress( void )
+{
+	if ( m_bKnifeExists )
+	{
+		return 1.0f;
+	}
+
+	float meltedTime = gpGlobals->curtime - m_flKnifeMeltTimestamp;
+
+	return meltedTime / m_flKnifeRegenerateDuration;
+}
+
+
+#endif // TF_WEAPON_KNIFE_H