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lua/pac3/core/server/in_skybox.lua

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+--[[
+| This file was obtained through the combined efforts
+| of Madbluntz & Plymouth Antiquarian Society.
+|
+| Credits: lifestorm, Gregory Wayne Rossel JR.,
+| 	Maloy, DrPepper10 @ RIP, Atle!
+|
+| Visit for more: https://plymouth.thetwilightzone.ru/
+--]]
+
+hook.Add("InitPostEntity","pac_get_sky_camera",function()
+	local sky_camera = ents.FindByClass("sky_camera")[1]
+	if sky_camera then
+		local nwVarName = "pac_in_skybox"
+		local in_skybox = {}
+
+		timer.Create("pac_in_skybox", 0.5, 0, function()
+			if not IsValid(sky_camera) then
+				sky_camera = ents.FindByClass("sky_camera")[1]
+			end
+			local new_in_skybox = {}
+			for _, ent in ipairs(ents.FindInPVS(sky_camera:GetPos())) do
+				if not in_skybox[ent] then
+					ent:SetNW2Bool(nwVarName, true)
+				end
+				new_in_skybox[ent] = true
+			end
+
+			for ent in pairs(in_skybox) do
+				if not new_in_skybox[ent] and ent:IsValid() then
+					ent:SetNW2Bool(nwVarName, false)
+				end
+			end
+
+			in_skybox = new_in_skybox
+		end)
+	end
+end)