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config.lua
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config.lua
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local args = {...}
local import_prefix = args[1]
if import_prefix then import_prefix = import_prefix:match("^(.-)[^%.]+$") end
if not import_prefix then import_prefix = "" end
local errormodule = require(import_prefix .. "error")
local utilmodule = load_module(import_prefix .. "util", true)
local classmodule = load_module(import_prefix .. "class", true)
local filemodule = load_module(import_prefix .. "file", true)
local rawconsolemodule = load_module(import_prefix .. "raw_console", true)
local Configuration = abst_class(function(self, configDS)
self.__listeners = {}
self:updateConfig(configDS)
end)
--[[ addListener - add a listener to the configuration and get notified at each configuration update
listener - object to link the callback to
callback - function that takes as a parameter the updated configuration
]]
function Configuration:addListener(listener, callback)
if not self.__listeners[listener] then self.__listeners[listener] = {} end
table.insert(self.__listeners[listener], callback)
end
-- removeListener - remove all callbacks linked to the given listener
function Configuration:removeListener(listener)
local ret = self.__listeners[listener] ~= nil
self.__listeners[listener] = nil
return ret
end
function Configuration:notifyListeners()
for l, fs in pairs(self.__listeners) do
for _, f in ipairs(fs) do
f(l, self)
end
end
end
function Configuration:updateConfig(ds)
if ds then self.__ds = ds end
if not self.__ds or (self.__ds.__data.type == 'nil') then self.__ds = DataStream() end
self:__updateSelf()
self:notifyListeners()
end
Configuration:__addAbstract("__updateSelf")
Configuration:__addAbstract("_updateDS")
--[[ LevelConfig - the level configuration class.
Holds whether the minimap should display, whether the map should be displayable,
the minimap's size, the minimap printing height and the difficulty
]]
local LevelConfig = class(nil, Configuration)
LevelConfig:__implementAbstract("__updateSelf", function(self)
self.__displayMinimap = self.__ds:getOrDefault("displayMinimap", true)
self.__displayMap = self.__ds:getOrDefault("displayMap", true)
self.__minimapViewingSize = self.__ds:getOrDefault("minimapViewingSize", {3, 3})
self.__mapOffset = self.__ds:getOrDefault("mapOffset", {0, 7})
self.__difficulty = self.__ds:getOrDefault("difficulty", 3)
self.__difficulty = min(max(floor(self.__difficulty), 1), self:getMaxDifficulty())
end)
LevelConfig:__implementAbstract("_updateDS", function(self)
self.__ds:set("displayMinimap", self.__displayMinimap, "boolean")
self.__ds:set("displayMap", self.__displayMap, "boolean")
self.__ds:set("minimapViewingSize", self.__minimapViewingSize, "array")
self.__ds:set("mapOffset", self.__mapOffset, "array")
self.__ds:set("difficulty", self.__difficulty, "number")
end)
function LevelConfig:doesDisplayMinimap() return self.__displayMinimap end
function LevelConfig:doesDisplayFullMap() return self.__displayMap end
function LevelConfig:getCamSize () return self.__minimapViewingSize end
function LevelConfig:getCamWidth () return self.__minimapViewingSize[1] end
function LevelConfig:getCamHeight() return self.__minimapViewingSize[2] end
function LevelConfig:getMapOffset () return self.__mapOffset end
function LevelConfig:getMapXoffset() return self.__mapOffset[1] end
function LevelConfig:getMapYoffset() return self.__mapOffset[2] end
function LevelConfig:getDifficulty() return self.__difficulty end
function LevelConfig:getMaxDifficulty() return 4 end
function LevelConfig:setDisplayMinimap(disp) self.__displayMinimap = disp self:notifyListeners() end
function LevelConfig:setDisplayFullMap(disp) self.__displayMap = disp self:notifyListeners() end
function LevelConfig:setCamSize(size) self.__minimapViewingSize = size self:notifyListeners() end
function LevelConfig:setMapYoffset(yOff) self.__mapOffset[2] = yOff self:notifyListeners() end
function LevelConfig:setDifficulty(diff) self.__difficulty = diff self:notifyListeners() end
--[[ LevelManagerConfig - the level manager configuration class.
Holds whether to load test levels and a level (default) configuration
]]
local LevelManagerConfig = class(nil, Configuration)
LevelManagerConfig:__implementAbstract("__updateSelf", function(self)
if not self.__levelConfig then self.__levelConfig = LevelConfig(self.__ds:getAsDataStream("levelConfig"))
else self.__levelConfig:updateConfig(self.__ds:getAsDataStream("levelConfig")) end
self.__loadTestLevels = self.__ds:getOrDefault("loadTestLevels", false)
end)
LevelManagerConfig:__implementAbstract("_updateDS", function(self)
self.__levelConfig:_updateDS()
self.__ds:setSubDataStream("levelConfig", self.__levelConfig.__ds)
self.__ds:set("loadTestLevels", self.__loadTestLevels, "boolean")
end)
function LevelManagerConfig:getLevelConfig() return self.__levelConfig end
function LevelManagerConfig:doLoadTestLevels() return self.__loadTestLevels end
function LevelManagerConfig:setLoadTestLevels(doLoad) self.__loadTestLevels = doLoad self:notifyListeners() end
local KeyboardConfig = class(nil, Configuration)
KeyboardConfig:__implementAbstract("__updateSelf", function(self)
self.__directions = self.__ds:getOrDefault("directions", {up = "u", down = "d", left = "l", right = "r"})
end)
KeyboardConfig:__implementAbstract("_updateDS", function(self)
self.__ds:set("directions", self.__directions, "object")
end)
function KeyboardConfig:getDirectionsKey() return self.__directions end
function KeyboardConfig:getDirectionKey(dir)
if type(dir) == "number" then
if dir == 1 then dir = "up"
elseif dir == 2 then dir = "right"
elseif dir == 3 then dir = "down"
elseif dir == 4 then dir = "left"
end
end
ret = self.__directions[dir]
if ret then return ret
else return "#ERROR" end
end
--[[ ConsoleConfig - the console configuration class.
Holds the log level (an integer between 0 and 4) and whether if it is in developer mode.
]]
local ConsoleConfig = class(nil, Configuration)
ConsoleConfig:__implementAbstract("__updateSelf", function(self)
self.__logLevel = self.__ds:getOrDefault("logLevel", 2)
self.__logLevel = min(max(floor(self.__logLevel), 0), self:getMaxLogLevel())
self.__developerMode = self.__ds:getOrDefault("developerMode", false)
end)
ConsoleConfig:__implementAbstract("_updateDS", function(self)
self.__ds:set("logLevel", min(max(floor(self.__logLevel), 0), self:getMaxLogLevel()), "number")
self.__ds:set("developerMode", self.__developerMode, "boolean")
end)
function ConsoleConfig:getLogLevel() return self.__logLevel end
function ConsoleConfig:isLogLevelValid(logLevel) return self.__logLevel >= logLevel end
function ConsoleConfig:isDeveloperMode() return self.__developerMode end
function ConsoleConfig:getMaxLogLevel() return 4 end
function ConsoleConfig:setLogLevel(lv) self.__logLevel = lv self:notifyListeners() end
function ConsoleConfig:setDevMode(dev) self.__developerMode = dev self:notifyListeners() end
--[[ OptionsConfig - the options class.
Holds the misc configs.
]]
local Options = class(nil, Configuration)
Options:__implementAbstract("__updateSelf", function(self)
self.__eqc = self.__ds:getOrDefault("eqc", 1)
self.__langIdx = self.__ds:getOrDefault("lang", 1)
end)
Options:__implementAbstract("_updateDS", function(self)
self.__ds:set("eqc", self.__eqc)
self.__ds:set("lang", self.__langIdx)
end)
function Options:getEQCAlts() return {"exit", "quit", "close", "term", "kill"} end
function Options:getEQCAltsCount() return 5 end
function Options:getEQCAlt() return self.__eqc end
function Options:getLangIdx() return self.__langIdx end
function Options:setEQCAlt(alt) self.__eqc = alt self:notifyListeners() end
function Options:setLangIdx(idx) self.__langIdx = idx self:notifyListeners() end
--[[ Config - the global configuration class [singleton]
Holds the level manager, keyboard and console configurations.
configuration - the global configuration
]]
local Config = class(function(self, filename)
self.__ds = DataStream()
self.__filename = filename
self.configs = {
levelManager = LevelManagerConfig,
keyboard = KeyboardConfig,
console = ConsoleConfig,
options = Options
}
self:readConfig()
end)
function Config:getLevelManagerConfig() return self.__levelManagerConfig end
function Config:getKeyboardConfig() return self.__keyboardConfig end
function Config:getConsoleConfig() return self.__consoleConfig end
function Config:getOptions() return self.__optionsConfig end
function Config:readConfig()
local f = File(self.__filename)
-- If the file don't exist, then it's OK
if f:canOpen('r') then
local ret = self.__ds:read(self.__filename)
if not ret.success then
rawconsole:print("Error loading settings: " .. tostring(ret.reason or ret.reas) .. "\n", LogLevel.ERROR, "config.lua/Config:readConfig")
end
end
self:updateConfig()
end
function Config:writeConfig()
if not self.__ds then
self.__ds = DataStream()
self.__ds:setSubDataStream("levelManager", self.__levelManagerConfig.__ds)
self.__ds:setSubDataStream("keyboard", self.__keyboardConfig.__ds)
self.__ds:setSubDataStream("console", self.__consoleConfig.__ds)
self.__ds:setSubDataStream("options", self.__optionsConfig.__ds)
end
self.__ds:write(self.__filename)
end
function Config:updateConfig()
for cfg, cls in pairs(self.configs) do
local cfgName = "__" .. cfg .. "Config"
if not self[cfgName] then self[cfgName] = cls(self.__ds:getAsDataStream(cfg, false))
else self[cfgName]:updateConfig(self.__ds:getAsDataStream(cfg, false)) end
end
end
function Config:updateDataStream()
for cfg, _ in pairs(self.configs) do
local cfgName = "__" .. cfg .. "Config"
self[cfgName]:_updateDS()
self.__ds:setSubDataStream(cfg, self[cfgName].__ds)
end
end
-- currentConfig - the configuration singleton
currentConfig = Config("settings.cfg")