Fix alien slave beams staying forever if they exist during a level ch…

…ange

ValveSoftware/halflife#3104

CHANGELOG.md

@@ -14,6 +14,7 @@
 * Fixed pistol not playing empty sound when using secondary attack
 * Fixed user interface coordinates and sizes being incorrectly adjusted for resolution (halflife issue [#3344](https://github.com/ValveSoftware/halflife/issues/3344))
 * Fixed player weapons still receiving input when starting to use a func_tank (halflife issue [#3345](https://github.com/ValveSoftware/halflife/issues/3345)) (Thanks Oxofemple.)
+* Fixed alien slave beams staying forever if they exist during a level change (halflife issue [#3104](https://github.com/ValveSoftware/halflife/issues/3104))
 
 ## Changes in V1.0.0 Beta 014
 

dlls/islave.cpp

@@ -744,6 +744,7 @@ void CISlave::ArmBeam(int side)
 	m_pBeam[m_iBeams]->SetColor(96, 128, 16);
 	m_pBeam[m_iBeams]->SetBrightness(64);
 	m_pBeam[m_iBeams]->SetNoise(80);
+	m_pBeam[m_iBeams]->pev->spawnflags |= SF_BEAM_TEMPORARY; // Flag these to be destroyed on save/restore or level transition
 	m_iBeams++;
 }
 
@@ -790,6 +791,7 @@ void CISlave::WackBeam(int side, CBaseEntity* pEntity)
 	m_pBeam[m_iBeams]->SetColor(180, 255, 96);
 	m_pBeam[m_iBeams]->SetBrightness(255);
 	m_pBeam[m_iBeams]->SetNoise(80);
+	m_pBeam[m_iBeams]->pev->spawnflags |= SF_BEAM_TEMPORARY; // Flag these to be destroyed on save/restore or level transition
 	m_iBeams++;
 }
 
@@ -820,6 +822,7 @@ void CISlave::ZapBeam(int side)
 	m_pBeam[m_iBeams]->SetColor(180, 255, 96);
 	m_pBeam[m_iBeams]->SetBrightness(255);
 	m_pBeam[m_iBeams]->SetNoise(20);
+	m_pBeam[m_iBeams]->pev->spawnflags |= SF_BEAM_TEMPORARY; // Flag these to be destroyed on save/restore or level transition
 	m_iBeams++;
 
 	pEntity = CBaseEntity::Instance(tr.pHit);