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lua/niknaks/modules/sh_model_extended.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/
+--]]
+
+-- Copyright © 2022-2072, Nak, https://steamcommunity.com/id/Nak2/
+-- All Rights Reserved. Not allowed to be reuploaded.
+local NikNaks = NikNaks
+do
+	local file_Open, file_Exists = file.Open, file.Exists
+	local cache = {}
+
+	--- Returns the model's hull size.
+	--- @param name string
+	--- @return Vector MinVec
+	--- @return Vector MaxVec
+	function NikNaks.ModelSize( name )
+		if cache[name] then
+			return Vector( cache[name][1] ), Vector( cache[name][2] )
+		end
+
+		if not file_Exists( name, "GAME" ) then
+			cache[name] = { NikNaks.vector_zero, NikNaks.vector_zero }
+			return Vector( cache[name][1] ), Vector( cache[name][2] )
+		end
+
+		local f = file_Open( name, "r", "GAME" )
+
+		f:Seek( 104 )
+
+		local hullMin = Vector( f:ReadFloat(), f:ReadFloat(), f:ReadFloat() )
+		local hullMax = Vector( f:ReadFloat(), f:ReadFloat(), f:ReadFloat() )
+
+		f:Close()
+
+		cache[name] = { hullMin, hullMax }
+		return Vector( hullMin ), Vector( hullMax )
+	end
+end
+
+do
+	local util_GetModelMeshes, Material = util.GetModelMeshes, Material
+
+	--- Returns the materials used for this model. This can be expensive, so cache the result.
+	--- @param name any
+	--- @param lod? number
+	--- @param bodygroupMask? number
+	--- @return table
+	function NikNaks.ModelMaterials( name, lod, bodygroupMask )
+		local data = util_GetModelMeshes( name, lod or 0, bodygroupMask or 0 )
+		if not data then return {} end
+
+		local t = {}
+		for i = 1, #data do
+			local mat = data[i]["material"]
+
+			if mat then
+				table.insert( t, Material( mat ) )
+			end
+		end
+
+		return t
+	end
+end