Alternate between shell and link ejection in M249

cl_dll/ev_hldm.cpp

@@ -1984,7 +1984,8 @@ void EV_FireM249( event_args_t *args )
 
 	AngleVectors( angles, forward, right, up );
 
-	shell = gEngfuncs.pEventAPI->EV_FindModelIndex( "models/saw_shell.mdl" );// brass shell
+	const bool bAlternatingEject = args->bparam1 != 0;
+	shell = bAlternatingEject ? gEngfuncs.pEventAPI->EV_FindModelIndex("models/saw_link.mdl") : gEngfuncs.pEventAPI->EV_FindModelIndex( "models/saw_shell.mdl" );// brass shell
 
 	if( EV_IsLocal( idx ) )
 	{

dlls/gearbox/m249.cpp

@@ -51,6 +51,7 @@ void CM249::Spawn()
 	m_iDefaultAmmo = M249_DEFAULT_GIVE;
 
 	m_fInSpecialReload = 0;
+	m_bAlternatingEject = false;
 
 	FallInit();// get ready to fall down.
 }
@@ -63,6 +64,7 @@ void CM249::Precache(void)
 	PRECACHE_MODEL("models/p_saw.mdl");
 
 	m_iShell = PRECACHE_MODEL("models/saw_shell.mdl");// brass shellTE_MODEL
+	m_iLink = PRECACHE_MODEL("models/saw_link.mdl");
 
 	PRECACHE_MODEL("models/w_saw_clip.mdl");
 	PRECACHE_SOUND("items/9mmclip1.wav");
@@ -146,6 +148,7 @@ void CM249::PrimaryAttack()
 
 	m_iClip--;
 	UpdateTape();
+	m_bAlternatingEject = !m_bAlternatingEject;
 	m_pPlayer->pev->effects = (int)(m_pPlayer->pev->effects) | EF_MUZZLEFLASH;
 
 	// player "shoot" animation
@@ -177,7 +180,7 @@ void CM249::PrimaryAttack()
 	flags = 0;
 #endif
 
-	PLAYBACK_EVENT_FULL(flags, m_pPlayer->edict(), m_usM249, 0.0, (float *)&g_vecZero, (float *)&g_vecZero, vecDir.x, vecDir.y, 0, pev->body, 0, 0);
+	PLAYBACK_EVENT_FULL(flags, m_pPlayer->edict(), m_usM249, 0.0, (float *)&g_vecZero, (float *)&g_vecZero, vecDir.x, vecDir.y, 0, pev->body, m_bAlternatingEject ? 1 : 0, 0);
 
 
 #if !CLIENT_DLL

dlls/weapons.h

@@ -1252,6 +1252,8 @@ public:
 	virtual BOOL ShouldWeaponIdle(void) { return TRUE; }
 	float m_flNextAnimTime;
 	int m_iShell;
+	int m_iLink;
+	bool m_bAlternatingEject;
 
 	virtual BOOL UseDecrement(void)
 	{