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slideshow: Multiple files support

master
informatic 2017-01-17 17:52:32 +01:00
parent ffccb380f7
commit 61b38314e6
1 changed files with 44 additions and 6 deletions
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50
nodes/slideshow.lua
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@ -1,23 +1,61 @@
local node = Node:extend('nodes.slideshow', {})
local smallFont = love.graphics.newFont('fonts/Lato-Light.ttf', 60)
local smallFont = love.graphics.newFont('fonts/Lato-Light.ttf', 50)
function node:init(config)
self.super:init(config)
if (self.fileName ~= Nil) and (love.filesystem.exists( self.fileName )) then
self:loadImage()
end
function node:loadImage()
local files = self:processFiles(self.files)
if files ~= nil then
if self.fileName then
self.fileName = files[(lume.find(self.files, self.fileName) or 1) % #self.files + 1]
else
self.fileName = files[1]
end
end
if self.fileName ~= nil and love.filesystem.exists( self.fileName ) then
self.image = love.graphics.newImage( self.fileName )
else
self.image = Nil
self.image = nil
end
end
function node:processFiles(files)
local nFiles = {}
for _, f in ipairs(files) do
if love.filesystem.isDirectory(f) then
print(f, "is directory")
for _, nf in ipairs(love.filesystem.getDirectoryItems(f)) do
print(nf, "hey")
if love.filesystem.isFile(f .. "/" .. nf) then
nFiles[#nFiles + 1] = f .. "/" .. nf
end
end
else
print(f, "is file")
nFiles[#nFiles + 1] = f
end
end
print("expanded to: ", inspect(nFiles))
return nFiles
end
function node:beforeEnter()
self:loadImage()
end
function node:render()
love.graphics.setColor( 0, 0, 0 )
love.graphics.rectangle("fill", 0, 0, love.graphics.getWidth(), love.graphics.getHeight())
if self.image == Nil then
if self.image == nil then
love.graphics.setFont(smallFont);
love.graphics.setColor( 255, 255, 255 )
love.graphics.printf('File not found.', 0, love.graphics.getHeight()/2 , love.graphics.getWidth(), 'center');
love.graphics.setColor( 255, 255, 255, 120 )
love.graphics.printf('File not found:\n' .. tostring(self.fileName), 0, love.graphics.getHeight()*0.7 , love.graphics.getWidth(), 'center');
else
love.graphics.setColor( 255, 255, 255 )
love.graphics.draw( self.image, love.graphics.getWidth()/2, love.graphics.getHeight()/2, 0, 1, 1, self.image:getWidth()/2, self.image:getHeight()/2 )