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gamemodes/darkrp/plugins/container_placement/meta/sh_entity.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/
+--]]
+
+
+local entityMeta = FindMetaTable("Entity")
+
+function entityMeta:IsInSolidEnviromentOrFloating()
+	local pos = self:GetPos()
+	local mins, maxs = self:GetRotatedAABB(self:OBBMins(), self:OBBMaxs())
+
+	-- check if entity is inside something
+	local traceHull =  util.TraceHull({
+		start = pos,
+		endpos = pos,
+		maxs = maxs,
+		mins = mins
+	})
+
+	if (traceHull.StartSolid) then
+		return true
+	end
+
+	-- then check if it's not floating around
+	local traceHull2 = util.TraceHull({
+		start = pos,
+		endpos = pos + Vector(0, 0, -2),
+		maxs = Vector(0, 0, maxs.z),
+		mins = Vector(0, 0, mins.z),
+		filter = self
+	})
+
+	if (!traceHull2.Hit) then
+		return true
+	end
+
+	return false
+end