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game/shared/tf/tf_weapon_rocketpack.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================
+
+#include "cbase.h"
+#include "tf_weapon_rocketpack.h"
+
+// Client specific.
+#ifdef CLIENT_DLL
+#include "c_tf_player.h"
+// Server specific.
+#else
+#include "tf_player.h"
+#include "tf_ammo_pack.h"
+#include "ilagcompensationmanager.h"
+#include "tf_gamerules.h"
+#endif
+
+// TFRocketPack --
+IMPLEMENT_NETWORKCLASS_ALIASED( TFRocketPack, DT_TFWeaponRocketPack )
+
+BEGIN_NETWORK_TABLE( CTFRocketPack, DT_TFWeaponRocketPack )
+END_NETWORK_TABLE()
+
+BEGIN_PREDICTION_DATA( CTFRocketPack )
+END_PREDICTION_DATA()
+
+LINK_ENTITY_TO_CLASS( tf_weapon_rocketpack, CTFRocketPack );
+PRECACHE_WEAPON_REGISTER( tf_weapon_rocketpack );
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CTFRocketPack::CTFRocketPack()
+{
+	m_flRefireTime = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTFRocketPack::PreCache( void )
+{
+	PrecacheParticleSystem( "rocketbackblast" );
+
+	PrecacheScriptSound( "Weapon_Liberty_Launcher.Single" );
+
+	BaseClass::Precache();
+}
+
+#ifdef GAME_DLL
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+bool CTFRocketPack::CanFire( void )
+{
+	CTFPlayer *pOwner = ToTFPlayer( GetOwner() );
+	if ( !pOwner )
+		return false;
+
+	if ( !TFGameRules()->IsMannVsMachineMode() )
+		return false;
+
+	if ( TFGameRules() && (TFGameRules()->State_Get() == GR_STATE_PREROUND) )
+		return false;
+
+	if ( pOwner->m_Shared.IsLoser() )
+		return false;
+
+	if ( pOwner->m_Shared.InCond( TF_COND_STUNNED ) )
+		return false;
+
+	if ( pOwner->IsTaunting() )
+		return false;
+
+	if ( m_flRefireTime > gpGlobals->curtime )
+		return false;
+
+	if ( pOwner->GetAmmoCount( TF_AMMO_GRENADES1 ) > 0)
+		return true;
+
+	return false;
+}
+#endif // GAME_DLL
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTFRocketPack::PrimaryAttack( void )
+{
+	CTFPlayer *pOwner = ToTFPlayer( GetOwner() );
+	if ( !pOwner )
+		return;
+
+	if ( !CanAttack() )
+		return;
+
+#ifdef GAME_DLL
+	if ( !CanFire() )
+		return;
+
+	// Launch
+	if ( !pOwner->m_Shared.InCond( TF_COND_ROCKETPACK ) )
+	{
+		pOwner->m_Shared.AddCond( TF_COND_ROCKETPACK );
+		pOwner->m_Shared.StunPlayer( 0.5f, 1.0f, TF_STUN_MOVEMENT );
+	}
+
+	Vector vecDir;
+	pOwner->EyeVectors( &vecDir );
+	pOwner->SetAbsVelocity( vec3_origin );
+	Vector vecFlightDir = -vecDir;
+	VectorNormalize( vecFlightDir );
+	float flForce = 450.f;
+
+	const float flPushScale = ( pOwner->GetFlags() & FL_ONGROUND ) ? 1.2f : 1.8f;		// Greater force while airborne
+	const float flVertPushScale = ( pOwner->GetFlags() & FL_ONGROUND ) ? 1.2f : 0.25f;	// Less vertical force while airborne
+	Vector vecForce = vecFlightDir * -flForce * flPushScale;
+	vecForce.z += 1.f * flForce * flVertPushScale;
+	pOwner->RemoveFlag( FL_ONGROUND );
+
+	pOwner->ApplyAbsVelocityImpulse( vecForce );
+	pOwner->RemoveAmmo( m_pWeaponInfo->GetWeaponData( m_iWeaponMode ).m_iAmmoPerShot, m_iPrimaryAmmoType );
+	pOwner->EmitSound( "Weapon_Liberty_Launcher.Single" );
+
+	m_flRefireTime = gpGlobals->curtime + 0.25f;
+#endif // GAME_DLL
+
+	StartEffectBarRegen();
+
+	if ( pOwner->GetAmmoCount( TF_AMMO_GRENADES1 ) == 0 )
+	{
+		g_pGameRules->SwitchToNextBestWeapon( pOwner, this );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+bool CTFRocketPack::Deploy( void )
+{
+	CTFPlayer *pOwner = ToTFPlayer( GetOwner() );
+	if ( pOwner )
+	{
+		pOwner->m_Shared.SetRocketPackEquipped( true );
+	}
+
+	return BaseClass::Deploy();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+bool CTFRocketPack::Holster( CBaseCombatWeapon *pSwitchingTo )
+{
+	CTFPlayer *pOwner = ToTFPlayer( GetOwner() );
+	if ( pOwner )
+	{
+		pOwner->m_Shared.SetRocketPackEquipped( false );
+	}
+
+	return BaseClass::Holster( pSwitchingTo );
+}
+