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game/server/tf2/tf_basecombatweapon.cpp

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: Base TF Combat weapon
+//
+// $NoKeywords: $
+//=============================================================================//
+#include "cbase.h"
+#include "animation.h"
+#include "tf_player.h"
+#include "tf_basecombatweapon.h"
+#include "soundent.h"
+#include "weapon_twohandedcontainer.h"
+#include "tf_gamerules.h"
+#include "tf_obj.h"
+
+//====================================================================================================
+// BASE TF MACHINEGUN
+//====================================================================================================
+IMPLEMENT_SERVERCLASS_ST(CTFMachineGun, DT_TFMachineGun )
+END_SEND_TABLE()
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTFMachineGun::PrimaryAttack( void )
+{
+	// Only the player fires this way so we can cast
+	CBasePlayer *pPlayer = ToBasePlayer( GetOwner() );
+	if (!pPlayer)
+		return;
+	
+	// Abort here to handle burst and auto fire modes
+	if ( (GetMaxClip1() != -1 && m_iClip1 == 0) || (GetMaxClip1() == -1 && !pPlayer->GetAmmoCount(m_iPrimaryAmmoType) ) )
+		return;
+
+	pPlayer->DoMuzzleFlash();
+
+
+	// To make the firing framerate independent, we may have to fire more than one bullet here on low-framerate systems, 
+	// especially if the weapon we're firing has a really fast rate of fire.
+	if ( GetSequence() != SelectWeightedSequence( ACT_VM_PRIMARYATTACK ))
+	{
+		m_flNextPrimaryAttack = gpGlobals->curtime;
+	}
+	int iBulletsToFire = 0;
+	float fireRate = GetFireRate();
+
+	while ( m_flNextPrimaryAttack <= gpGlobals->curtime )
+	{
+		// MUST call sound before removing a round from the clip of a CMachineGun
+		WeaponSound(SINGLE, m_flNextPrimaryAttack);
+		m_flNextPrimaryAttack = m_flNextPrimaryAttack + fireRate;
+		iBulletsToFire++;
+	}
+
+	// Make sure we don't fire more than the amount in the clip, if this weapon uses clips
+	if ( GetMaxClip1() != -1 )
+	{
+		if ( iBulletsToFire > m_iClip1 )
+			iBulletsToFire = m_iClip1;
+		m_iClip1 -= iBulletsToFire;
+	}
+	else
+	{
+		if ( iBulletsToFire > pPlayer->GetAmmoCount(m_iPrimaryAmmoType) )
+			iBulletsToFire = pPlayer->GetAmmoCount(m_iPrimaryAmmoType);
+		pPlayer->RemoveAmmo( iBulletsToFire, m_iPrimaryAmmoType );
+	}
+
+	// Not time to fire any bullets yet?
+	if ( !iBulletsToFire )
+		return;
+
+	// Fire the bullets
+	Vector vecSrc	 = pPlayer->Weapon_ShootPosition( );
+	Vector vecAiming = pPlayer->GetAutoaimVector( AUTOAIM_5DEGREES );
+
+	// Factor in the view kick
+	AddViewKick();
+
+	float range = m_pRangeCVar ? m_pRangeCVar->GetFloat() : 1024.0f;
+
+	if ( !m_pRangeCVar )
+	{
+		Msg( "Weapon missing m_pRangeCVar!!!\n" );
+	}
+
+	FireBullets( this, iBulletsToFire, vecSrc, vecAiming, GetBulletSpread(), range, m_iPrimaryAmmoType, 2 );
+
+	if (!m_iClip1 && pPlayer->GetAmmoCount(m_iPrimaryAmmoType) <= 0)
+	{
+		// HEV suit - indicate out of ammo condition
+		pPlayer->SetSuitUpdate("!HEV_AMO0", FALSE, 0); 
+	}
+
+	PlayAttackAnimation( GetPrimaryAttackActivity() );
+
+	// Register a muzzleflash for the AI
+	pPlayer->SetMuzzleFlashTime( gpGlobals->curtime + 0.5 );
+
+	CheckRemoveDisguise();
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+const Vector& CTFMachineGun::GetBulletSpread( void )
+{
+	static Vector cone = VECTOR_CONE_3DEGREES;
+	return cone;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+void CTFMachineGun::FireBullets( CBaseTFCombatWeapon *pWeapon, int cShots, const Vector &vecSrc, const Vector &vecDirShooting, const Vector &vecSpread, float flDistance, int iBulletType, int iTracerFreq)
+{
+	if ( CBaseTFPlayer *pPlayer = (CBaseTFPlayer*)GetOwner() )
+	{
+		float damage = m_pDamageCVar ? m_pDamageCVar->GetFloat() : 1;
+
+		if ( !m_pDamageCVar )
+		{
+			Msg( "Weapon missing m_pDamageCVar!!!!\n" );
+		}
+
+		TFGameRules()->FireBullets( CTakeDamageInfo( this, pPlayer, damage, DMG_BULLET ), cShots, vecSrc, vecDirShooting, vecSpread, flDistance, iBulletType, 4, entindex(), 0 );
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: 
+//-----------------------------------------------------------------------------
+float CTFMachineGun::GetFireRate( void )
+{
+	return 1.0;
+}