Initial commit

dists/engine-data/patches/monkey4/residualvm-prefs.lua

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+-- ScummVM - Graphic Adventure Engine
+--
+-- ScummVM is the legal property of its developers, whose names
+-- are too numerous to list here. Please refer to the COPYRIGHT
+-- file distributed with this source distribution.
+--
+-- This program is free software: you can redistribute it and/or modify
+-- it under the terms of the GNU General Public License as published by
+-- the Free Software Foundation, either version 3 of the License, or
+-- (at your option) any later version.
+--
+-- This program is distributed in the hope that it will be useful,
+-- but WITHOUT ANY WARRANTY; without even the implied warranty of
+-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+-- GNU General Public License for more details.
+--
+-- You should have received a copy of the GNU General Public License
+-- along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+
+--Setter and getter values for cfg
+function emi_cfg_settable_event(table, index, value)
+	PrintDebug("Set cfg value " .. index .. " to " .. value)
+	SetResidualVMPreference(tostring(index), value)
+end
+
+function emi_cfg_gettable_event(table, index)
+	PrintDebug("Get cfg value " .. index)
+	value = GetResidualVMPreference(tostring(index))
+
+	--use default value if not found in config
+	if value == nil then
+		value = system_prefs.defaults_cfg[index]
+	end
+	return value
+end
+
+--Overwrite stock loadprefs function
+system_prefs.loadprefs = function(table, filename)
+	--avoid installing tag methods repeatedly when starting a new game
+	if system_prefs.defaults_cfg ~= nil then
+		return
+	end
+
+	PrintDebug("Function system_prefs.loadprefs modified for ResidualVM loaded")
+
+	--save old cfg table as default values
+	system_prefs.defaults_cfg = system_prefs.cfg
+
+	--set a new table for cfg and its tag methods to hook in the registry
+	system_prefs.cfg = {}
+	emi_cfg_tag = newtag()
+	settagmethod(emi_cfg_tag, "gettable", emi_cfg_gettable_event)
+	settagmethod(emi_cfg_tag, "settable", emi_cfg_settable_event)
+	settag(system_prefs.cfg, emi_cfg_tag)
+end
+
+--delete saveprefs function
+system_prefs.saveprefs = function(table, filename)
+end