Index: rts/Lua/LuaConstGame.cpp
===================================================================
--- rts/Lua/LuaConstGame.cpp	(revision 4121)
+++ rts/Lua/LuaConstGame.cpp	(working copy)
@@ -68,6 +68,8 @@
 	LuaPushNamedNumber(L, "transportShip",   modInfo->transportShip);
 	LuaPushNamedNumber(L, "transportHover",  modInfo->transportHover);
 	LuaPushNamedNumber(L, "transportGround", modInfo->transportGround);
+	LuaPushNamedNumber(L, "fireAtKilled", modInfo->fireAtKilled);
+	LuaPushNamedNumber(L, "fireAtCrashing", modInfo->fireAtCrashing);
 
 	char buf[64];
 	SNPRINTF(buf, sizeof(buf), "0x%08X",
Index: rts/Sim/ModInfo.cpp
===================================================================
--- rts/Sim/ModInfo.cpp	(revision 4121)
+++ rts/Sim/ModInfo.cpp	(working copy)
@@ -43,6 +43,21 @@
 		// We already set the defaults so we should be able to ignore this
 		// Other optional mod rules MUST set their defaults...
 	}
+	//Get the fire-at-dead-units options
+	fireAtKilled = 0;
+	fireAtCrashing = 0;
+	//See if the mod overrides them
+	try
+	{
+		TdfParser fireAtDeadOptions("gamedata/modrules.tdf");
+		fireAtKilled = atoi(fireAtDeadOptions.SGetValueDef("0", "FIREATDEAD\\FireAtKilled").c_str());
+		fireAtCrashing = atoi(fireAtDeadOptions.SGetValueDef("0", "FIREATDEAD\\FireAtCrashing").c_str());
+	}
+	catch(content_error) // If the modrules.tdf isnt found
+	{
+		// We already set the defaults so we should be able to ignore this
+		// Other optional mod rules MUST set their defaults...
+	}
 	//Get the transportability options for the mod
 	transportGround = 1;
 	transportHover = 0;
Index: rts/Sim/ModInfo.h
===================================================================
--- rts/Sim/ModInfo.h	(revision 4121)
+++ rts/Sim/ModInfo.h	(working copy)
@@ -22,6 +22,10 @@
 	int transportShip;	//0 = all naval units cannot be transported, 1 = all naval units can be transported (mass and size restrictions still apply). Defaults to 0.
 	int transportAir;	//0 = all air units cannot be transported, 1 = all air units can be transported (mass and size restrictions still apply). Defaults to 0.
 
+	//Fire on dying units behaviour
+	int fireAtKilled;	//1 = units fire at enemies running Killed() script, 0 = units ignore such enemies
+	int fireAtCrashing;	//1 = units fire at crashing aircrafts, 0 = units ignore crashing aircrafts
+
 };
 
 extern CModInfo *modInfo;
Index: rts/Sim/Weapons/Weapon.cpp
===================================================================
--- rts/Sim/Weapons/Weapon.cpp	(revision 4121)
+++ rts/Sim/Weapons/Weapon.cpp	(working copy)
@@ -23,6 +23,7 @@
 #include "Sim/Misc/LosHandler.h"
 #include "Sim/Misc/GeometricObjects.h"
 #include "Sim/MoveTypes/TAAirMoveType.h"
+#include "Sim/ModInfo.h"
 #include "creg/STL_List.h"
 #include "mmgr.h"
 #include "float3.h"
@@ -544,7 +545,7 @@
 	if(unit && !(onlyTargetCategory&unit->category))
 		return false;
 
-	if(unit && (unit->isDead || unit->crashing))
+	if(unit && ((unit->isDead && (modInfo->fireAtKilled==0)) || (unit->crashing && (modInfo->fireAtCrashing==0))))
 		return false;
 
 	if(weaponDef->stockpile && !numStockpiled)