Files
Techmino/Zframework/background.lua

57 lines
1.1 KiB
Lua

local gc_clear=love.graphics.clear
local BGs={
none={draw=function()gc_clear(.08,.08,.084)end}
}
local BGlist={'none'}
local BG={
default='none',
locked=false,
cur='none',
init=false,
resize=false,
update=NULL,
draw=BGs.none.draw,
event=false,
discard=NULL,
}
function BG.lock()BG.locked=true end
function BG.unlock()BG.locked=false end
function BG.add(name,bg)
BGs[name]=bg
BGlist[#BGlist+1]=name
end
function BG.getList()
return BGlist
end
function BG.remList(name)
table.remove(BGlist,TABLE.find(BGlist,name))
end
function BG.send(...)
if BG.event then
BG.event(...)
end
end
function BG.setDefault(bg)
BG.default=bg
end
function BG.set(name)
name=name or BG.default
if not BGs[name]or BG.locked then return end
if name~=BG.cur then
BG.discard()
BG.cur=name
local bg=BGs[name]
BG.init= bg.init or NULL
BG.resize= bg.resize or NULL
BG.update= bg.update or NULL
BG.draw= bg.draw or NULL
BG.event= bg.event or NULL
BG.discard=bg.discard or NULL
BG.init()
end
return true
end
return BG