A few small fixes (#1706)

* A few small fixes

* Last fix

lua/entities/starfall_hologram/init.lua

@@ -80,7 +80,8 @@ end
 
 SF.WaitForPlayerInit(function(ply)
 	for k, v in ipairs(ents.FindByClass("starfall_hologram")) do
-		if #v.clipdata>0 then
+		local clipdata = v.clipdata
+		if clipdata and #clipdata>0 then
 			v:TransmitClips(ply)
 		end
 	end

lua/starfall/editor/editor.lua

@@ -770,6 +770,7 @@ if CLIENT then
 	timer.Create("starfall_editor_status", 1 / 3, 0, function ()
 		rolldelta = -rolldelta
 		for ply, _ in pairs(busy_players) do
+			if not ply:IsValid() then continue end
 			local BoneIndx = ply:LookupBone("ValveBiped.Bip01_Head1") or ply:LookupBone("ValveBiped.HC_Head_Bone") or 0
 			local BonePos, BoneAng = ply:GetBonePosition(BoneIndx)
 			local particle = emitter:Add("radon/starfall2", BonePos + Vector(math.random(-10, 10), math.random(-10, 10), 60 + math.random(0, 10)))

lua/starfall/sflib.lua

@@ -1094,17 +1094,23 @@ end
 
 function SF.EntIsReady(ent)
 	if ent:IsWorld() then return true end
-	if IsValid(ent) then
-		-- https://github.com/Facepunch/garrysmod-issues/issues/3127
-		local class = ent:GetClass()
-		if class=="player" then
-			return ent:IsPlayer()
-		else
-			local n = next(baseclass.Get(class))
-			return n==nil or ent[n]~=nil
-		end
+	if not IsValid(ent) then return false end
+
+	-- https://github.com/Facepunch/garrysmod-issues/issues/3127
+	local class = ent:GetClass()
+	if class=="player" then
+		return ent:IsPlayer()
+	elseif class=="starfall_processor" then
+		return ent.Starfall~=nil
+	elseif class=="starfall_hologram" then
+		return ent.IsSFHologram~=nil
+	elseif class=="starfall_prop" then
+		return ent.IsSFProp~=nil
+	elseif class=="starfall_screen" or class=="starfall_hud" then
+		return ent:IsScripted()
+	else
+		return true
 	end
-	return false
 end
 
 local waitingConditions = {}