Micro-optimizations for base_wire_entity (#3192)

* base_wire_entity optimizations

* Do not create new vectors

* table.IsEmpty -> halos[1] == nil

Co-authored-by: thegrb93 <grbrown93@sbcglobal.net>

* Revert some changes

---------

Co-authored-by: thegrb93 <grbrown93@sbcglobal.net>

lua/entities/base_wire_entity.lua

@@ -42,6 +42,7 @@ if CLIENT then
 		if pos == spos then -- if the position is right in your face, get a better position
 			pos = spos + localPly:GetAimVector() * 5
 		end
+
 		pos = pos:ToScreen()
 
 		pos.x = math.Round(pos.x)
@@ -117,14 +118,14 @@ if CLIENT then
 					}
 
 		render.CullMode(MATERIAL_CULLMODE_CCW)
-		surface.DrawPoly( poly )
+		surface.DrawPoly(poly)
 
 		surface.SetDrawColor(0, 0, 0, 255)
 
-		for i=1,#poly-1 do
+		for i = 1, 5 do
 			surface.DrawLine( poly[i].x, poly[i].y, poly[i+1].x, poly[i+1].y )
 		end
-		surface.DrawLine( poly[#poly].x, poly[#poly].y, poly[1].x, poly[1].y )
+		surface.DrawLine( poly[6].x, poly[6].y, poly[1].x, poly[1].y )
 	end
 
 	local function getWireName( ent )
@@ -142,7 +143,7 @@ if CLIENT then
 	-- This is overridable by other wire entities which want to customize the overlay
 	function ENT:DrawWorldTipBody( pos )
 		local data = self:GetOverlayData()
-		draw.DrawText( data.txt, "GModWorldtip", pos.center.x, pos.min.y + edgesize/2, Color(255,255,255,255), TEXT_ALIGN_CENTER )
+		draw.DrawText( data.txt, "GModWorldtip", pos.center.x, pos.min.y + edgesize/2, color_white, TEXT_ALIGN_CENTER )
 	end
 
 	-- This is overridable by other wire entities which want to customize the overlay
@@ -206,11 +207,11 @@ if CLIENT then
 		end
 
 		if info_requires_multiline then
-			draw.DrawText( class, "GModWorldtip", pos.center.x, offset + 8, Color(255,255,255,255), TEXT_ALIGN_CENTER )
-			draw.DrawText( name, "GModWorldtip", pos.center.x, offset + h_class + 16, Color(255,255,255,255), TEXT_ALIGN_CENTER )
+			draw.DrawText( class, "GModWorldtip", pos.center.x, offset + 8, color_white, TEXT_ALIGN_CENTER )
+			draw.DrawText( name, "GModWorldtip", pos.center.x, offset + h_class + 16, color_white, TEXT_ALIGN_CENTER )
 		else
-			draw.DrawText( class, "GModWorldtip", pos.min.x + edgesize, offset + 16, Color(255,255,255,255) )
-			draw.DrawText( name, "GModWorldtip", pos.min.x + pos.size.w - w_name - edgesize, offset + 16, Color(255,255,255,255) )
+			draw.DrawText( class, "GModWorldtip", pos.min.x + edgesize, offset + 16, color_white )
+			draw.DrawText( name, "GModWorldtip", pos.min.x + pos.size.w - w_name - edgesize, offset + 16, color_white )
 		end
 	end
 
@@ -282,12 +283,14 @@ if CLIENT then
 	end
 
 	function ENT:Think()
-		if (CurTime() >= (self.NextRBUpdate or 0)) then
+		local tab = self:GetTable()
+
+		if (CurTime() >= (tab.NextRBUpdate or 0)) then
 			-- We periodically update the render bounds every 10 seconds - the
 			-- reasons why are mostly anecdotal, but in some circumstances
 			-- entities might 'forget' their renderbounds. Nobody really knows
 			-- if this is still needed or not.
-			self.NextRBUpdate = CurTime() + 10
+			tab.NextRBUpdate = CurTime() + 10
 			Wire_UpdateRenderBounds(self)
 		end
 	end
@@ -301,9 +304,11 @@ if CLIENT then
 		halos_inv[self] = true
 	end
 
+	local color_halo = Color(100, 100, 255)
+
 	hook.Add("PreDrawHalos", "Wiremod_overlay_halos", function()
-		if #halos == 0 then return end
-		halo.Add(halos, Color(100,100,255), 3, 3, 1, true, true)
+		if halos[1]==nil then return end
+		halo.Add(halos, color_halo, 3, 3, 1, true, true)
 		halos = {}
 		halos_inv = {}
 	end)
@@ -510,15 +515,18 @@ ENT.LINK_STATUS_DEACTIVATED = 2 -- alias
 ENT.LINK_STATUS_ACTIVE = 3
 ENT.LINK_STATUS_ACTIVATED = 3 -- alias
 function ENT:ColorByLinkStatus(status)
-	local a = self:GetColor().a
-
-	if status == self.LINK_STATUS_UNLINKED then
-		self:SetColor(Color(255,0,0,a))
-	elseif status == self.LINK_STATUS_LINKED then
-		self:SetColor(Color(255,165,0,a))
-	elseif status == self.LINK_STATUS_ACTIVE then
-		self:SetColor(Color(0,255,0,a))
+	local tab = self:GetTable()
+	local color = self:GetColor()
+
+	if status == tab.LINK_STATUS_UNLINKED then
+		color.r, color.g, color.b = 255, 0, 0
+	elseif status == tab.LINK_STATUS_LINKED then
+		color.r, color.g, color.b = 255, 165, 0
+	elseif status == tab.LINK_STATUS_ACTIVE then
+		color.r, color.g, color.b = 0, 255, 0
 	else
-		self:SetColor(Color(255,255,255,a))
+		color.r, color.g, color.b = 255, 255, 255
 	end
+
+	self:SetColor(color)
 end