Added nail functions previously described in FGD

+NailUnremovable
+SetHealth
+HealthOveride
+HealthMultiplier

gamemodes/zombiesurvival/entities/entities/prop_nail/init.lua

@@ -17,6 +17,9 @@ end)
 
 function ENT:Initialize()
 	self:SetModel("models/crossbow_bolt.mdl")
+	self.m_NailUnremovable = self.m_NailUnremovable or false
+	self.HealthOveride = self.HealthOveride or -1
+	self.HealthMultiplier = self.HealthMultiplier or 1
 end
 
 function ENT:OnDamaged(damage, attacker, inflictor, dmginfo)
@@ -48,6 +51,8 @@ function ENT:AttachTo(baseent, attachent, physbone, physbone2)
 
 	if baseent:GetBarricadeHealth() == 0 then
 		local health = baseent:GetDefaultBarricadeHealth()
+		if self.HealthOveride > 0 then health = self.HealthOveride end
+		health = health * self.HealthMultiplier
 		baseent:SetMaxBarricadeHealth(health)
 		baseent:SetBarricadeHealth(health)
 		baseent:SetBarricadeRepairs(baseent:GetMaxBarricadeRepairs())
@@ -84,6 +89,11 @@ function ENT:SetDeployer(pl)
 	end
 end
 
+function ENT:SetNewHealth(health)
+	baseent = self:GetBaseEntity()
+	baseent:SetBarricadeHealth(health)
+end
+
 function ENT:AcceptInput(name, activator, caller, args)
 	name = string.lower(name)
 	if name == "attachto" then
@@ -105,13 +115,17 @@ function ENT:AcceptInput(name, activator, caller, args)
 	elseif name == "setname" or name == "setdeployer" then
 		self:SetDeployer(args)
 
+		return true
+	elseif name == "sethealth" then
+		self:SetNewHealth(args)
+		
 		return true
 	elseif name == "setunremoveable" or name == "setunremovable" then
 		self.m_NailUnremovable = tonumber(args) == 1
 
 		return true
 	elseif name == "toggleunremoveable" or name == "toggleunremovable" then
-		self.m_NailUnremovable = not self.m_NailRemovable
+		self.m_NailUnremovable = not self.m_NailUnremovable
 
 		return true
 	end
@@ -133,6 +147,10 @@ end
 function ENT:KeyValue(key, value)
 	key = string.lower(key)
 	if key == "unremoveable" or key == "unremovable" then
-		self.m_NailUnremoveable = tonumber(value) == 1
+		self.m_NailUnremovable = tonumber(value) == 1
+	elseif key == "healthoverride" then
+		self.HealthOveride = tonumber(value)
+	elseif key == "healthmultiplier" then
+		self.HealthMultiplier = tonumber(value)
 	end
 end

gamemodes/zombiesurvival/gamemode/shared.lua

@@ -470,8 +470,12 @@ function GM:CanPlaceNail(pl, tr)
 end
 
 function GM:CanRemoveNail(pl, nail)
+	if nail.m_NailUnremovable then 
+		return false 
+	else
 		return true
 	end
+end
 
 function GM:GetDamageResistance(fearpower)
 	return fearpower * 0.35

gamemodes/zombiesurvival/zombiesurvival.fgd

@@ -407,7 +407,7 @@
 @PointClass studio("models/crossbow_bolt.mdl") base(Targetname,Angles) = prop_nail  : "ZS: Allows you to manually place nails."
 [
 	// Keys
-	healthoverride(integer)          : "Health Override" : 210 : "Sets the nail's maximum health to a specific number."
+	healthoverride(integer)            : "Health Override" : -1 : "Sets the nail's maximum health to a specific number. Set to -1 or 0 to disable override"
 	healthmultiplier(float)            : "Health Multiply" : 1  : "Multiply the nail's default maximum health by this number."
 	unremovable(choices)               : "Unremovable"     : 0  : "Set to yes to make this nail unremovable by players." =
 	[
@@ -417,8 +417,8 @@
 	
 	// Inputs
 	input sethealth(integer)           : "Sets the nail's remaining health."
-	input attachto(string)           : "Parent to this entity."
+	input attachto(target_destination) : "Parent to this entity."
-	input nailto(string)             : "Nail to this entity. Use attachto first and then this to weld the two. Use 'worldspawn' here to weld to the world."
+	input nailto(target_destination)   : "Nail to this entity. Use attachto first and then this to weld the two. Use 'worldspawn' here to weld to the world."
 	input setname(string)              : "Display this text as the owner name."
 	input setunremovable(integer)      : "Set if this nail is unremovable."
 	input toggleunremovable(integer)   : "Toggle unremovable state."