LoveFrames/skins.lua
2013-08-15 15:28:18 -04:00

197 lines
5.6 KiB
Lua

--[[------------------------------------------------
-- Love Frames - A GUI library for LOVE --
-- Copyright (c) 2013 Kenny Shields --
--]]------------------------------------------------
-- skins library
loveframes.skins = {}
-- available skins
loveframes.skins.available = {}
--[[---------------------------------------------------------
- func: Register(skin)
- desc: registers a skin
--]]---------------------------------------------------------
function loveframes.skins.Register(skin)
local name = skin.name
local author = skin.author
local version = skin.version
local base = skin.base
local newskin = false
if name == "" or not name then
loveframes.util.Error("Skin registration error: Invalid or missing name data.")
end
if author == "" or not author then
loveframes.util.Error("Skin registration error: Invalid or missing author data.")
end
if version == "" or not version then
loveframes.util.Error("Skin registration error: Invalid or missing version data.")
end
local namecheck = loveframes.skins.available[name]
if namecheck then
loveframes.util.Error("Skin registration error: A skin with the name '" ..name.. "' already exists.")
end
local dir = loveframes.config["DIRECTORY"] .. "/skins/" ..name
local dircheck = love.filesystem.isDirectory(dir)
if not dircheck then
loveframes.util.Error("Skin registration error: Could not find a directory for skin '" ..name.. "'.")
end
local imagedir = skin.imagedir or dir .. "/images"
local imagedircheck = love.filesystem.isDirectory(imagedir)
if not imagedircheck then
loveframes.util.Error("Skin registration error: Could not find an image directory for skin '" ..name.. "'.")
end
if base then
local basename = base
base = loveframes.skins.Get(base)
if not base then
loveframes.util.Error("Could not find base skin '" ..basename.. "' for skin '" ..name.. "'.")
end
newskin = loveframes.util.DeepCopy(base)
newskin.name = name
newskin.author = author
newskin.version = version
newskin.imagedir = imagedir
local skincontrols = skin.controls
local basecontrols = base.controls
if skincontrols and basecontrols then
for k, v in pairs(skincontrols) do
newskin.controls[k] = v
end
for k, v in pairs(skin) do
if type(v) == "function" then
newskin[k] = v
end
end
end
end
if newskin then
loveframes.skins.available[name] = newskin
else
loveframes.skins.available[name] = skin
end
loveframes.skins.available[name].dir = dir
loveframes.skins.available[name].images = {}
local indeximages = loveframes.config["INDEXSKINIMAGES"]
if indeximages then
local images = loveframes.util.GetDirectoryContents(imagedir)
for k, v in ipairs(images) do
local filename = v.name
local extension = v.extension
local fullpath = v.fullpath
local key = filename .. "." .. extension
loveframes.skins.available[name].images[key] = love.graphics.newImage(fullpath)
end
end
end
--[[---------------------------------------------------------
- func: GetAvailable()
- desc: gets all available skins
--]]---------------------------------------------------------
function loveframes.skins.GetAvailable()
local available = loveframes.skins.available
return available
end
--[[---------------------------------------------------------
- func: Get(name)
- desc: gets a skin by its name
--]]---------------------------------------------------------
function loveframes.skins.Get(name)
local available = loveframes.skins.available
local skin = available[name] or false
return skin
end
--[[---------------------------------------------------------
- func: SetControl(name, control, value)
- desc: changes the value of a control in the
specified skin
--]]---------------------------------------------------------
function loveframes.skins.SetControl(name, control, value)
local skin = loveframes.skins.Get(name)
if skin then
if skin.controls and skin.controls[control] then
skin.controls[control] = value
end
end
end
--[[---------------------------------------------------------
- func: SetImage(name, image, value)
- desc: changes the value of an image index in
the images table of the specified skin
--]]---------------------------------------------------------
function loveframes.skins.SetImage(name, image, value)
local skin = loveframes.skins.Get(name)
if skin then
if skin.images and skin.images[image] then
skin.images[image] = value
end
end
end
--[[---------------------------------------------------------
- func: SetImageDirectory(name, dir)
- desc: sets the image directory of a skin
--]]---------------------------------------------------------
function loveframes.skins.SetImageDirectory(name, dir)
local skin = loveframes.skins.Get(name)
if skin then
skin.imagedir = dir
end
end
--[[---------------------------------------------------------
- func: ReloadImages(name)
- desc: reloads a skin's images
--]]---------------------------------------------------------
function loveframes.skins.ReloadImages(name)
local skin = loveframes.skins.Get(name)
local indeximages = loveframes.config["INDEXSKINIMAGES"]
if skin and indeximages then
local basedir = loveframes.config["DIRECTORY"]
local imagedir = skin.imagedir or basedir .. "/skins/" ..name.. "/images"
local dircheck = love.filesystem.isDirectory(imagedir)
if dircheck then
local images = loveframes.util.GetDirectoryContents(imagedir)
for k, v in ipairs(images) do
local filename = v.name
local extension = v.extension
local fullpath = v.fullpath
loveframes.skins.available[name].images[filename .. "." .. extension] = love.graphics.newImage(fullpath)
end
end
end
end