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game/shared/cstrike/weapon_awp.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "cbase.h"
+#include "weapon_csbasegun.h"
+
+
+#if defined( CLIENT_DLL )
+
+	#define CWeaponAWP C_WeaponAWP
+	#include "c_cs_player.h"
+
+#else
+
+	#include "cs_player.h"
+	#include "KeyValues.h"
+
+#endif
+
+#define SNIPER_ZOOM_CONTEXT		"SniperRifleThink"
+
+const int cAWPMidZoomFOV = 40;
+const int cAWPMaxZoomFOV = 10;
+
+#ifdef AWP_UNZOOM
+	ConVar sv_awpunzoomdelay( 
+			"sv_awpunzoomdelay",
+			"1.0",
+			0,
+			"how many seconds to zoom the zoom up after firing",
+			true, 0,	// min value
+			false, 0	// max value
+			);
+#endif
+
+
+class CWeaponAWP : public CWeaponCSBaseGun
+{
+public:
+	DECLARE_CLASS( CWeaponAWP, CWeaponCSBaseGun );
+	DECLARE_NETWORKCLASS(); 
+	DECLARE_PREDICTABLE();
+
+#ifndef CLIENT_DLL
+	DECLARE_DATADESC();
+#endif
+	
+	CWeaponAWP();
+
+	virtual void Spawn();
+
+	virtual void PrimaryAttack();
+	virtual void SecondaryAttack();
+
+ 	virtual float GetInaccuracy() const;
+	virtual float GetMaxSpeed() const;
+	virtual bool IsAwp() const;
+	virtual bool Reload();
+	virtual bool Deploy();
+
+	virtual CSWeaponID GetWeaponID( void ) const		{ return WEAPON_AWP; }
+
+private:
+
+#ifdef AWP_UNZOOM
+	void				UnzoomThink( void );
+#endif
+
+	CWeaponAWP( const CWeaponAWP & );
+};
+
+IMPLEMENT_NETWORKCLASS_ALIASED( WeaponAWP, DT_WeaponAWP )
+
+BEGIN_NETWORK_TABLE( CWeaponAWP, DT_WeaponAWP )
+END_NETWORK_TABLE()
+
+BEGIN_PREDICTION_DATA( CWeaponAWP )
+END_PREDICTION_DATA()
+
+LINK_ENTITY_TO_CLASS( weapon_awp, CWeaponAWP );
+PRECACHE_WEAPON_REGISTER( weapon_awp );
+
+#ifndef CLIENT_DLL
+
+	BEGIN_DATADESC( CWeaponAWP )
+#ifdef AWP_UNZOOM
+		DEFINE_THINKFUNC( UnzoomThink ),
+#endif
+	END_DATADESC()
+
+#endif
+
+CWeaponAWP::CWeaponAWP()
+{
+}
+
+void CWeaponAWP::Spawn()
+{
+	Precache();
+
+	BaseClass::Spawn();
+}
+
+
+void CWeaponAWP::SecondaryAttack()
+{
+	const float kZoomTime = 0.10f;
+
+	CCSPlayer *pPlayer = GetPlayerOwner();
+
+	if ( pPlayer == NULL )
+	{
+		Assert( pPlayer != NULL );
+		return;
+	}
+
+	if ( pPlayer->GetFOV() == pPlayer->GetDefaultFOV() )
+	{
+			pPlayer->SetFOV( pPlayer, cAWPMidZoomFOV, kZoomTime );
+			m_weaponMode = Secondary_Mode;
+			m_fAccuracyPenalty += GetCSWpnData().m_fInaccuracyAltSwitch;
+	}
+	else if ( pPlayer->GetFOV() == cAWPMidZoomFOV )
+	{
+			pPlayer->SetFOV( pPlayer, cAWPMaxZoomFOV, kZoomTime );
+			m_weaponMode = Secondary_Mode;
+	}
+	else
+	{
+		pPlayer->SetFOV( pPlayer, pPlayer->GetDefaultFOV(), kZoomTime );
+		m_weaponMode = Primary_Mode;
+	}
+
+
+#ifndef CLIENT_DLL
+	// If this isn't guarded, the sound will be emitted twice, once by the server and once by the client.
+	// Let the server play it since if only the client plays it, it's liable to get played twice cause of
+	// a prediction error. joy.	
+	
+	//=============================================================================
+	// HPE_BEGIN:
+	// [tj] Playing this from the player so that we don't try to play the sound outside the level.
+	//=============================================================================
+	if ( GetPlayerOwner() )
+	{
+		GetPlayerOwner()->EmitSound( "Default.Zoom" );
+	}
+	//=============================================================================
+	// HPE_END
+	//=============================================================================
+	// let the bots hear the rifle zoom
+	IGameEvent * event = gameeventmanager->CreateEvent( "weapon_zoom" );
+	if ( event )
+	{
+		event->SetInt( "userid", pPlayer->GetUserID() );
+		gameeventmanager->FireEvent( event );
+	}
+#endif
+
+	m_flNextSecondaryAttack = gpGlobals->curtime + 0.3f;
+	m_zoomFullyActiveTime = gpGlobals->curtime + 0.15; // The worst zoom time from above.  
+
+}
+
+float CWeaponAWP::GetInaccuracy() const
+{
+	if ( weapon_accuracy_model.GetInt() == 1 )
+	{
+		CCSPlayer *pPlayer = GetPlayerOwner();
+		if ( !pPlayer )
+			return 0.0f;
+	
+		float fSpread = 0.0f;
+	
+		if ( !FBitSet( pPlayer->GetFlags(), FL_ONGROUND ) )
+			fSpread = 0.85f;
+	
+		else if ( pPlayer->GetAbsVelocity().Length2D() > 140 )
+			fSpread = 0.25f;
+	
+		else if ( pPlayer->GetAbsVelocity().Length2D() > 10 )
+			fSpread = 0.10f;
+	
+		else if ( FBitSet( pPlayer->GetFlags(), FL_DUCKING ) )
+			fSpread = 0.0f;
+	
+		else
+			fSpread = 0.001f;
+	
+		// If we are not zoomed in, or we have very recently zoomed and are still transitioning, the bullet diverts more.
+		if (pPlayer->GetFOV() == pPlayer->GetDefaultFOV() || (gpGlobals->curtime < m_zoomFullyActiveTime))
+		{
+			fSpread += 0.08f;
+		}
+	
+		return fSpread;
+	}
+	else
+	{
+		return BaseClass::GetInaccuracy();
+	}
+}
+
+void CWeaponAWP::PrimaryAttack()
+{
+	CCSPlayer *pPlayer = GetPlayerOwner();
+	if ( !pPlayer )
+		return;
+
+	if ( !CSBaseGunFire( GetCSWpnData().m_flCycleTime, m_weaponMode ) )
+		return;
+
+	if ( m_weaponMode == Secondary_Mode )
+	{	
+		float	midFOVdistance = fabs( pPlayer->GetFOV() - (float)cAWPMidZoomFOV );
+		float	farFOVdistance = fabs( pPlayer->GetFOV() - (float)cAWPMaxZoomFOV );
+		if ( midFOVdistance < farFOVdistance )
+		{
+			pPlayer->m_iLastZoom = cAWPMidZoomFOV;
+		}
+		else
+		{
+			pPlayer->m_iLastZoom = cAWPMaxZoomFOV;
+		}
+		
+		#ifdef AWP_UNZOOM
+			SetContextThink( &CWeaponAWP::UnzoomThink, gpGlobals->curtime + sv_awpunzoomdelay.GetFloat(), SNIPER_ZOOM_CONTEXT );
+		#else
+			pPlayer->m_bResumeZoom = true;
+			pPlayer->SetFOV( pPlayer, pPlayer->GetDefaultFOV(), 0.1f );
+			m_weaponMode = Primary_Mode;
+		#endif
+	}
+
+	QAngle angle = pPlayer->GetPunchAngle();
+	angle.x -= 2;
+	pPlayer->SetPunchAngle( angle );
+}
+
+#ifdef AWP_UNZOOM
+void CWeaponAWP::UnzoomThink( void )
+{
+	CCSPlayer *pPlayer = GetPlayerOwner();
+
+	if (pPlayer == NULL)
+	{
+		Assert(pPlayer != NULL);
+		return;
+	}
+
+	pPlayer->SetFOV( pPlayer, pPlayer->GetDefaultFOV(), 0.1f );
+}
+#endif
+
+
+float CWeaponAWP::GetMaxSpeed() const
+{
+	CCSPlayer *pPlayer = GetPlayerOwner();
+
+	if (pPlayer == NULL)
+	{
+		Assert(pPlayer != NULL);
+		return BaseClass::GetMaxSpeed();
+	}
+
+	if ( pPlayer->GetFOV() == pPlayer->GetDefaultFOV() )
+	{
+		return BaseClass::GetMaxSpeed();
+	}
+	else
+	{
+		// Slower speed when zoomed in.
+		return 150;
+	}
+}
+
+
+bool CWeaponAWP::IsAwp() const
+{
+	return true;
+}
+
+
+bool CWeaponAWP::Reload()
+{
+	m_weaponMode = Primary_Mode;
+	return BaseClass::Reload();
+}
+
+bool CWeaponAWP::Deploy()
+{
+	// don't allow weapon switching to shortcut cycle time (quickswitch exploit)
+	float fOldNextPrimaryAttack	= m_flNextPrimaryAttack;
+	float fOldNextSecondaryAttack = m_flNextSecondaryAttack;
+
+	if ( !BaseClass::Deploy() )
+		return false;
+
+	m_weaponMode = Primary_Mode;
+	m_flNextPrimaryAttack	= MAX( m_flNextPrimaryAttack, fOldNextPrimaryAttack );
+	m_flNextSecondaryAttack	= MAX( m_flNextSecondaryAttack, fOldNextSecondaryAttack );
+	return true;
+}