Reduce index calls on EGP:ValidEGP (wiremod#2962)

* Reduce index calls

* Add IsEGP and adjust the ValidEGP function

* Use GetTableinstead of GetVar

* Use Entity.IsValid instead of _G.IsValid

lua/entities/gmod_wire_egp/init.lua

@@ -2,6 +2,7 @@ AddCSLuaFile("cl_init.lua")
 AddCSLuaFile("shared.lua")
 include('shared.lua')
 
+ENT.IsEGP = true
 ENT.WireDebugName = "E2 Graphics Processor"
 
 function ENT:Initialize()

lua/entities/gmod_wire_egp/lib/egplib/usefulfunctions.lua

@@ -228,8 +228,15 @@ end
 --------------------------------------------------------
 -- Other
 --------------------------------------------------------
-function EGP:ValidEGP( Ent )
- return IsValid( Ent ) and (Ent:GetClass() == "gmod_wire_egp" or Ent:GetClass() == "gmod_wire_egp_hud" or Ent:GetClass() == "gmod_wire_egp_emitter")
+do
+ local EntMeta = FindMetaTable( "Entity" )
+ local IsValid = EntMeta.IsValid
+ local GetTable = EntMeta.GetTable
+
+ function EGP:ValidEGP( Ent )
+ if not IsValid( Ent ) then return false end
+ return GetTable( Ent ).IsEGP == true
+ end
 end
 
 
@@ -507,4 +514,4 @@ function EGP.Draw(ent)
  end
  EGP:FixMaterial(oldtex)
  end
-end
+end

lua/entities/gmod_wire_egp_emitter.lua

@@ -4,6 +4,7 @@ ENT.PrintName = "Wire E2 Graphics Processor Emitter"
 ENT.WireDebugName = "E2 Graphics Processor Emitter"
 ENT.RenderGroup = RENDERGROUP_BOTH
 
+ENT.IsEGP = true
 ENT.gmod_wire_egp_emitter = true
 
 local DrawOffsetPos = Vector(0, 0, 71)
@@ -174,4 +175,4 @@ if CLIENT then
  end
 end
 
-function ENT:UpdateTransmitState() return TRANSMIT_ALWAYS end
+function ENT:UpdateTransmitState() return TRANSMIT_ALWAYS end

lua/entities/gmod_wire_egp_hud/init.lua

@@ -6,6 +6,7 @@ include("huddraw.lua")
 
 DEFINE_BASECLASS("base_wire_entity")
 
+ENT.IsEGP = true
 ENT.WireDebugName = "E2 Graphics Processor HUD"
 
 util.AddNetworkString("EGP_HUD_Use")