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lua/includes/util/model_database.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/
+--]]
+
+--=============================================================================--
+--  ___  ___   _   _   _    __   _   ___ ___ __ __
+-- |_ _|| __| / \ | \_/ |  / _| / \ | o \ o \\ V /
+--  | | | _| | o || \_/ | ( |_n| o ||   /   / \ / 
+--  |_| |___||_n_||_| |_|  \__/|_n_||_|\\_|\\ |_|  2007
+--										 
+--=============================================================================--
+
+local DatabasedModels = {}
+
+if ( !sql.TableExists( "modelinfo" ) ) then
+
+	sql.Query( [[CREATE TABLE IF NOT EXISTS modelinfo ( name TEXT NOT NULL PRIMARY KEY, 
+														poseparams INTEGER,
+														numsequences INTEGER,
+														numattachments INTEGER,
+														numbonecontrollers INTEGER,
+														numskins INTEGER,
+														size INTEGER );]] )
+	
+end
+
+--[[---------------------------------------------------------
+    Called from the engine on model load to enable Lua to cache
+	the model stats in a database, so that rather than building
+	all in one go, they'll get updated as the player plays.
+-----------------------------------------------------------]]
+function OnModelLoaded( ModelName, NumPoseParams, NumSeq, NumAttachments, NumBoneControllers, NumSkins, Size )
+
+	local ModelName = string.lower( string.gsub( ModelName, "\\", "/" ) )
+	ModelName = "models/".. ModelName
+
+	-- No need to store a model more than once per session
+	if ( DatabasedModels[ ModelName ] ) then return end
+	DatabasedModels[ ModelName ] = true
+	
+	-- Just in case. Don't want errors spewing all over 
+	--  the place every time a model loads.
+	if ( !sql.TableExists( "modelinfo" ) ) then return end
+	
+	local safeModelName = SQLStr( ModelName )
+	
+	--
+	-- We delete the old entry because this model may have been updated.
+	-- The chances are very slim, but there's no real harm in it.
+	--
+	sql.Query( "DELETE FROM modelinfo WHERE model = "..safeModelName )
+	sql.Query( Format( [[INSERT INTO modelinfo ( name, 
+												poseparams, 
+												numsequences, 
+												numattachments, 
+												numbonecontrollers, 
+												numskins, 
+												size ) 
+								
+												VALUES 
+							
+												( %s, %i, %i, %i, %i, %i, %i ) ]], 
+							
+												safeModelName,
+												NumPoseParams,
+												NumSeq, 
+												NumAttachments,
+												NumBoneControllers, 
+												NumSkins,
+												Size							
+												) )
+	--[[
+	MsgN( ModelName, 
+		"\nNumPoseParams: ", NumPoseParams,
+		"\nNumSeq: ", NumSeq, 
+		"\nNumAttachments: ", NumAttachments, 
+		"\nNumBoneControllers: ", NumBoneControllers, 
+		"\nNumSkins: ", NumSkins, 
+		"\nSize: ", Size )
+	--]]
+
+end
+
+--[[---------------------------------------------------------
+    Returns the number of skins this model has. If we don't
+	know, it will return 0
+-----------------------------------------------------------]]
+function NumModelSkins( ModelName )
+
+	local ModelName = string.lower( ModelName )
+	local safeModelName = SQLStr( ModelName )
+	local num = sql.QueryValue( "SELECT numskins FROM modelinfo WHERE name = " .. safeModelName )
+	if ( num == nil ) then return 0 end
+	
+	return tonumber( num ) or 0
+
+end