Index: Sim/Projectiles/BeamLaserProjectile.cpp
===================================================================
--- Sim/Projectiles/BeamLaserProjectile.cpp	(revision 4261)
+++ Sim/Projectiles/BeamLaserProjectile.cpp	(working copy)
@@ -7,7 +7,7 @@
 #include "Sim/Weapons/WeaponDefHandler.h"
 #include "mmgr.h"
 
-CR_BIND_DERIVED(CBeamLaserProjectile, CWeaponProjectile, (float3(0,0,0),float3(0,0,0),0,0,float3(0,0,0),float3(0,0,0),NULL,0,0,0,NULL));
+CR_BIND_DERIVED(CBeamLaserProjectile, CWeaponProjectile, (float3(0,0,0),float3(0,0,0),0,0,float3(0,0,0),float3(0,0,0),NULL,0,0,0,NULL,0,0));
 
 CR_REG_METADATA(CBeamLaserProjectile,(
 	CR_MEMBER(startPos),
@@ -19,17 +19,21 @@
 	CR_MEMBER(thickness),
 	CR_MEMBER(corethickness),
 	CR_MEMBER(flaresize),
+	CR_MEMBER(ttl),
+	CR_MEMBER(decay),
 	CR_MEMBER(midtexx),
 	CR_RESERVED(16)
 	));
 
-CBeamLaserProjectile::CBeamLaserProjectile(const float3& startPos, const float3& endPos, float startAlpha, float endAlpha, const float3& color, const float3& color2, CUnit* owner, float thickness, float corethickness, float flaresize, const WeaponDef* weaponDef)
+CBeamLaserProjectile::CBeamLaserProjectile(const float3& startPos, const float3& endPos, float startAlpha, float endAlpha, const float3& color, const float3& color2, CUnit* owner, float thickness, float corethickness, float flaresize, const WeaponDef* weaponDef, int ttl, float decay)
 :	CWeaponProjectile((startPos+endPos)*0.5f, ZeroVector, owner, 0, ZeroVector, weaponDef, 0, false), //CProjectile((startPos+endPos)*0.5f,ZeroVector,owner),
 	startPos(startPos),
 	endPos(endPos),
 	thickness(thickness),
 	corethickness(corethickness),
-	flaresize(flaresize)
+	flaresize(flaresize),
+	ttl(ttl),
+	decay(decay)
 {
 	checkCol=false;
 	useAirLos=true;
@@ -62,7 +66,16 @@
 
 void CBeamLaserProjectile::Update(void)
 {
-	deleteMe=true;
+	if (ttl <= 0) deleteMe=true;
+	else {
+		ttl--;
+		for (int i = 0; i < 3; i++) {
+			corecolstart[i]*=decay;
+			corecolend[i]*=decay;
+			kocolstart[i]*=decay;
+			kocolend[i]*=decay;
+		}
+	}
 }
 
 void CBeamLaserProjectile::Draw(void)
Index: Sim/Projectiles/BeamLaserProjectile.h
===================================================================
--- Sim/Projectiles/BeamLaserProjectile.h	(revision 4261)
+++ Sim/Projectiles/BeamLaserProjectile.h	(working copy)
@@ -8,7 +8,7 @@
 {
 	CR_DECLARE(CBeamLaserProjectile);
 public:
-	CBeamLaserProjectile(const float3& startPos, const float3& endPos, float startAlpha, float endAlpha, const float3& color, const float3& color2, CUnit* owner, float thickness, float corethickness, float flaresize, const WeaponDef* weaponDef);
+	CBeamLaserProjectile(const float3& startPos, const float3& endPos, float startAlpha, float endAlpha, const float3& color, const float3& color2, CUnit* owner, float thickness, float corethickness, float flaresize, const WeaponDef* weaponDef, int ttl, float decay);
 	~CBeamLaserProjectile(void);
 
 	float3 startPos;
@@ -24,6 +24,9 @@
 	float corethickness;
 	float flaresize;
 	float midtexx;
+	
+	int ttl;
+	float decay;
 
 	void Update(void);
 	void Draw(void);
Index: Sim/Weapons/BeamLaser.cpp
===================================================================
--- Sim/Weapons/BeamLaser.cpp	(revision 4261)
+++ Sim/Weapons/BeamLaser.cpp	(working copy)
@@ -201,7 +201,7 @@
 		if(weaponDef->largeBeamLaser)
 			SAFE_NEW CLargeBeamLaserProjectile(curPos, hitPos, color, weaponDef->visuals.color2, owner,weaponDef);
 		else
-			SAFE_NEW CBeamLaserProjectile(curPos,hitPos,startAlpha,endAlpha,color,weaponDef->visuals.color2, owner,weaponDef->thickness,weaponDef->corethickness, weaponDef->laserflaresize, weaponDef);
+			SAFE_NEW CBeamLaserProjectile(curPos,hitPos,startAlpha,endAlpha,color,weaponDef->visuals.color2, owner,weaponDef->thickness,weaponDef->corethickness, weaponDef->laserflaresize, weaponDef, weaponDef->visuals.beamttl, weaponDef->visuals.beamdecay);
 
 		curPos=hitPos;
 		curLength+=length;
Index: Sim/Weapons/WeaponDefHandler.cpp
===================================================================
--- Sim/Weapons/WeaponDefHandler.cpp	(revision 4261)
+++ Sim/Weapons/WeaponDefHandler.cpp	(working copy)
@@ -324,6 +324,8 @@
 	sunparser->GetDef(weaponDefs[id].visuals.scrollspeed, "5", weaponname + "\\scrollspeed");
 	sunparser->GetDef(weaponDefs[id].visuals.pulseSpeed, "1", weaponname + "\\pulseSpeed");
 	sunparser->GetDef(weaponDefs[id].largeBeamLaser, "0", weaponname + "\\largeBeamLaser");
+	sunparser->GetDef(weaponDefs[id].visuals.beamttl, "0", weaponname + "\\beamttl");
+	sunparser->GetDef(weaponDefs[id].visuals.beamdecay, "1", weaponname + "\\beamdecay");
 
 	std::string hmod = sunparser->SGetValueDef("", weaponname+"\\heightmod");
 	if (hmod == "") {
Index: Sim/Weapons/WeaponDefHandler.h
===================================================================
--- Sim/Weapons/WeaponDefHandler.h	(revision 4261)
+++ Sim/Weapons/WeaponDefHandler.h	(working copy)
@@ -141,6 +141,8 @@
 		float tilelength;
 		float scrollspeed;
 		float pulseSpeed;
+		int beamttl;
+		float beamdecay;
 
 		int stages;
 		float alphaDecay;