Fix bug.

Author: GoogleFrog

LuaRules/Gadgets/weapon_area_damage.lua

@@ -133,7 +133,7 @@ local function HandleDamageArea(data, f)
 					if data.rangeFall ~= 0 and distance > data.plateauRadius then
 						damage = damage - damage*data.rangeFall*(distance - data.plateauRadius)/(data.radius - data.plateauRadius)
 					end
-					if data.plateauFall ~= 0 and distance < data.plateauRadius then
+					if data.plateauFall and data.plateauFall ~= 0 and distance < data.plateauRadius then
 						damage = damage - damage*data.plateauFall*(data.plateauRadius - distance)/data.plateauRadius
 					end
 					if data.impulse then

gamedata/weapondefs_post.lua

@@ -334,6 +334,7 @@ for name, wd in pairs (WeaponDefs) do
 		if not cp.area_damage_radius then cp.area_damage_radius = area_damage_defaults.radius end
 		if not cp.area_damage_duration then cp.area_damage_duration = area_damage_defaults.duration end
 		if not cp.area_damage_plateau_radius then cp.area_damage_plateau_radius = area_damage_defaults.plateau_radius end
+		if not cp.area_damage_plateau_fall then cp.area_damage_plateau_fall = area_damage_defaults.plateau_fall end
 
 		if not cp.area_damage_is_impulse then cp.area_damage_is_impulse = area_damage_defaults.is_impulse end
 		if not cp.area_damage_range_falloff then cp.area_damage_range_falloff = area_damage_defaults.range_falloff end