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game/shared/tf2/weapon_combat_basegrenade.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose:	Base class for hand-thrown grenades that work with the handheld shield
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "basetfplayer_shared.h"
+#include "weapon_combat_basegrenade.h"
+#include "weapon_combatshield.h"
+#include "in_buttons.h"
+
+LINK_ENTITY_TO_CLASS( weapon_combat_basegrenade, CWeaponCombatBaseGrenade );
+
+IMPLEMENT_NETWORKCLASS_ALIASED( WeaponCombatBaseGrenade, DT_WeaponCombatBaseGrenade )
+
+BEGIN_NETWORK_TABLE( CWeaponCombatBaseGrenade, DT_WeaponCombatBaseGrenade )
+#if !defined( CLIENT_DLL )
+	SendPropTime( SENDINFO( m_flStartedThrowAt ) ),
+#else
+	RecvPropTime( RECVINFO( m_flStartedThrowAt ) ),
+#endif
+END_NETWORK_TABLE()
+
+BEGIN_PREDICTION_DATA( CWeaponCombatBaseGrenade  )
+
+	DEFINE_PRED_FIELD_TOL( m_flStartedThrowAt, FIELD_FLOAT, FTYPEDESC_INSENDTABLE, TD_MSECTOLERANCE ),
+
+END_PREDICTION_DATA()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+CWeaponCombatBaseGrenade::CWeaponCombatBaseGrenade( void )
+{
+	m_flStartedThrowAt = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+float CWeaponCombatBaseGrenade::GetFireRate( void )
+{	
+	return 2.0; 
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponCombatBaseGrenade::ItemPostFrame( void )
+{
+	CBasePlayer *pOwner = ToBasePlayer( GetOwner() );
+	if (!pOwner)
+		return;
+
+	AllowShieldPostFrame( !m_flStartedThrowAt );
+
+	// Look for button downs
+	if ( (pOwner->m_nButtons & IN_ATTACK) && GetShieldState() == SS_DOWN && !m_flStartedThrowAt && (m_flNextPrimaryAttack <= gpGlobals->curtime) )
+	{
+		m_flStartedThrowAt = gpGlobals->curtime;
+
+		SendWeaponAnim( ACT_VM_DRAW );
+	}
+
+	// Look for button ups
+	if ( (pOwner->m_afButtonReleased & IN_ATTACK) && (m_flNextPrimaryAttack <= gpGlobals->curtime) && m_flStartedThrowAt )
+	{
+		m_flNextPrimaryAttack = gpGlobals->curtime;
+		PrimaryAttack();
+		m_flStartedThrowAt = 0;
+	}
+
+	//  No buttons down?
+	if ( !((pOwner->m_nButtons & IN_ATTACK) || (pOwner->m_nButtons & IN_ATTACK2) || (pOwner->m_nButtons & IN_RELOAD)) )
+	{
+		WeaponIdle( );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponCombatBaseGrenade::PrimaryAttack( void )
+{
+	CBasePlayer *pPlayer = dynamic_cast<CBasePlayer*>( GetOwner() );
+	if ( !pPlayer )
+		return;
+
+	if ( !ComputeEMPFireState() )
+		return;
+
+	// player "shoot" animation
+	PlayAttackAnimation( ACT_VM_THROW );
+
+	ThrowGrenade();
+
+	// Setup for refire
+	m_flNextPrimaryAttack = gpGlobals->curtime + 1.0;
+	CheckRemoveDisguise();
+
+	// If I'm now out of ammo, switch away
+	if ( !HasPrimaryAmmo() )
+	{
+		pPlayer->SelectLastItem();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CWeaponCombatBaseGrenade::ThrowGrenade( void )
+{
+	CBasePlayer *pPlayer = dynamic_cast<CBasePlayer*>( GetOwner() );
+	if ( !pPlayer )
+		return;
+
+	BaseClass::WeaponSound(WPN_DOUBLE);
+
+	// Calculate launch velocity (3 seconds for max distance)
+	float flThrowTime = MIN( (gpGlobals->curtime - m_flStartedThrowAt), 3.0 );
+	float flSpeed = 650 + (175 * flThrowTime);
+
+	// If the player's crouched, roll the grenade
+	if ( pPlayer->GetFlags() & FL_DUCKING )
+	{
+		// Launch the grenade
+		Vector vecForward;
+		QAngle vecAngles = pPlayer->EyeAngles();
+		// Throw it up just a tad
+		vecAngles.x = -1;
+		AngleVectors( vecAngles, &vecForward, NULL, NULL);
+		Vector vecOrigin;
+		VectorLerp( pPlayer->EyePosition(), pPlayer->GetAbsOrigin(), 0.25f, vecOrigin );
+		vecOrigin += (vecForward * 16);
+		vecForward = vecForward * flSpeed;
+		CreateGrenade(vecOrigin, vecForward, pPlayer );
+	}
+	else
+	{
+		// Launch the grenade
+		Vector vecForward;
+		QAngle vecAngles = pPlayer->EyeAngles();
+		AngleVectors( vecAngles, &vecForward, NULL, NULL);
+		Vector vecOrigin = pPlayer->EyePosition();
+		vecOrigin += (vecForward * 16);
+		vecForward = vecForward * flSpeed;
+		CreateGrenade(vecOrigin, vecForward, pPlayer );
+	}
+
+	pPlayer->RemoveAmmo( 1, m_iPrimaryAmmoType );
+}