validity checks + better Hook_BlockTPIK

lua/weapons/arc9_base/cl_light.lua

@@ -195,6 +195,7 @@ function SWEP:DrawFlashlightsVM()
 
     local owner = self:GetOwner()
     local lp = LocalPlayer()
+    if !IsValid(owner) then return end
     local eyepos = owner:EyePos()
 
     local anydrawn = false

lua/weapons/arc9_base/cl_tpik.lua

@@ -22,7 +22,6 @@ function SWEP:ShouldTPIK()
     -- if self:GetSafe() then return end
     -- if self:GetBlindFireAmount() > 0 then return false end
     if lp == owner and !owner:ShouldDrawLocalPlayer() then return end
-    if self:RunHook("Hook_BlockTPIK") then return end
     -- if !arc9_tpik:GetBool() then return false end
 
     local should = false
@@ -32,6 +31,8 @@ function SWEP:ShouldTPIK()
     else
         should = arc9_tpik:GetBool()
     end
+    
+    if self:RunHook("Hook_BlockTPIK") then should = false end
 
     local wm = self:GetWM()
     if IsValid(wm) and wm.slottbl then

lua/weapons/arc9_base/cl_vm.lua

@@ -133,6 +133,7 @@ function SWEP:PreDrawViewModel()
 
     local bipodamount = self:GetBipodAmount()
     local vm = self:GetVM()
+    if !IsValid(vm) then return end
 
     if self.HasSightsPoseparam then
         vm:SetPoseParameter("sights", math.max(sightamount, bipodamount, custdelta))
@@ -203,13 +204,16 @@ function SWEP:ViewModelDrawn()
     self:DrawFlashlightsVM()
 
     self:DrawLasers(false)
-    self:GetVM():SetMaterial("")
+    local vm = self:GetVM()
+    if !IsValid(vm) then return end
+    vm:SetMaterial("")
 	for ind = 0, 31 do
-		self:GetVM():SetSubMaterial(ind, "")
+		vm:SetSubMaterial(ind, "")
 	end
 end
 
 function SWEP:PostDrawViewModel()
+    if !IsValid(self:GetVM()) then return end
     local inrt = ARC9.RTScopeRender
 
     local newmzpcfs = {}

lua/weapons/arc9_base/cl_vmposition.lua

@@ -528,6 +528,7 @@ local arc9Fov = GetConVar("arc9_fov")
 
 function SWEP:GetViewModelFOV()
     local owner = self:GetOwner()
+    if !IsValid(owner) then return end
     local ownerfov = owner:GetFOV()
     local convarfov = arc9Fov:GetInt()
     -- local curTime = UnPredictedCurTime()