Use matrix and add start on

Author: wrefgtzweve

lua/entities/gmod_wire_lamp.lua

@@ -84,7 +84,7 @@ if CLIENT then
 			if IsValid( self.ProjTex ) then
 				self.ProjTex:Remove()
 				self.ProjTex = nil
-				self.LastLampHash = nil
+				self.LastLampMatrix = nil
 			end
 			return
 		end
@@ -107,14 +107,12 @@ if CLIENT then
 		projtex:SetPos( lightpos )
 		projtex:SetAngles( self:LocalToWorldAngles( light_info.Angle or angle_zero ) )
 
-		local currentPos = self:GetPos()
-		local currentAng = self:GetAngles()
-		local lampHash = currentPos.x + currentPos.y * 17 + currentPos.z * 23 + currentAng.p * 29 + currentAng.y * 31 + currentAng.r * 37
-		local lastLampHash = self.LastLampHash or 0
-		if lastLampHash ~= lampHash then
+		local lampMatrix = self:GetWorldTransformMatrix()
+		local lastLampMatrix = self.LastLampMatrix or 0
+		if lastLampMatrix ~= lampMatrix then
 			projtex:Update()
 		end
-		self.LastLampHash = lampHash
+		self.LastLampMatrix = lampMatrix
 	end
 
 	function ENT:OnRemove()

lua/wire/stools/lamp.lua

@@ -18,7 +18,7 @@ WireToolSetup.SetupMax(10)
 
 if SERVER then
 	function TOOL:GetConVars()
-		return self:GetClientNumber("r"), self:GetClientNumber("g"), self:GetClientNumber("b"), self:GetClientInfo("texture"), self:GetClientNumber("fov"), self:GetClientNumber("distance"), self:GetClientNumber("brightness")
+		return self:GetClientNumber("r"), self:GetClientNumber("g"), self:GetClientNumber("b"), self:GetClientInfo("texture"), self:GetClientNumber("fov"), self:GetClientNumber("distance"), self:GetClientNumber("brightness"), self:GetClientNumber("on") ~= 0
 	end
 
 	function TOOL:LeftClick_PostMake(ent, ply, trace)
@@ -108,6 +108,7 @@ TOOL.ClientConVar["fov"] = 90
 TOOL.ClientConVar["distance"] = 1024
 TOOL.ClientConVar["brightness"] = 4
 TOOL.ClientConVar["model"] = "models/lamps/torch.mdl"
+TOOL.ClientConVar["on"] = 1
 
 function TOOL:RightClick(trace)
 	if CLIENT then return true end
@@ -141,6 +142,10 @@ function TOOL.BuildCPanel(panel)
 	combobox:AddChoice("Rope", "rope")
 	combobox:AddChoice("Weld", "weld")
 	combobox:AddChoice("None", "none")
+
+	local startOn = panel:CheckBox("Start On", "wire_lamp_on")
+	startOn:SetTooltip("If checked, the lamp will be on when spawned.")
+
 	panel:ColorPicker("Color", "wire_lamp_r", "wire_lamp_g", "wire_lamp_b")
 
 	local matselect = panel:MatSelect("wire_lamp_texture", nil, true, 0.33, 0.33)