CC Plethora Overlayglasses 3D Pixelart Projector

args={...}
file=args[1]
if args[2]==nil then
size=1
else
    print(args[2])
    size=tonumber(args[2])
end
ni=peripheral.wrap("back")

if file=="clear" then
    ni.canvas3d().clear()
end

color={}
color[" "]=0x0000FFFF
color["0"]=0xF0F0F0FF
color["1"]=0xF2B233FF
color["2"]=0xE57FD8FF
color["3"]=0x99B2F2FF
color["4"]=0xDEDE6CFF
color["5"]=0x7FCC19FF
color["6"]=0xF2B2CCFF
color["7"]=0x4C4C4CFF
color["8"]=0x999999FF
color["9"]=0x4C99B2FF
color["a"]=0xB266E5FF
color["b"]=0x3366CCFF
color["c"]=0x7F664CFF
color["d"]=0x57A64EFF
color["e"]=0xCC4C4CFF
color["f"]=0x191919FF

function getCharCount(str,char)
    charnum=0
    for i=1, #str do
        if string.sub(str,i,i)==char then
            charnum=charnum+1
        end
    end
return(charnum)
end

function fileToTable(file)
        if fs.exists(file)~=true then
            print("file"..file.." not found")
            return(false)
        end
    fp=fs.open(file,"r")
    line={}
    i=1
    line[i]=fp.readLine()
        if line[i]==nil then return(false) end
        while line[i]~=nil do
        i=i+1
        line[i]=fp.readLine()
        end
return(line)
end

img=fileToTable(file)

i=1
i2=1
i3=1
chars={}
    while img[i]~=nil do
        for i2=1, #img[i] do
            chars[i3]=string.sub(img[1],i2,i2)
            i3=i3+1
        end
    i=i+1
    end

onechar=""
    for i=1, #img do
        onechar=onechar..img[i]
    end
term.clear()
term.setCursorPos(1,1)
term.write("Slot1 weiß: "..tostring(getCharCount(onechar,"0")))term.setCursorPos(1,2)
term.write("Slot2 orange: "..tostring(getCharCount(onechar,"1")))term.setCursorPos(1,3)
term.write("Slot3 magenta: "..tostring(getCharCount(onechar,"2")))term.setCursorPos(1,4)
term.write("Slot4 hellblau: "..tostring(getCharCount(onechar,"3")))term.setCursorPos(1,5)
term.write("Slot5 gelb: "..tostring(getCharCount(onechar,"4")))term.setCursorPos(1,6)
term.write("Slot6 hellgrün: "..tostring(getCharCount(onechar,"5")))term.setCursorPos(1,7)
term.write("Slot7 pink: "..tostring(getCharCount(onechar,"6")))term.setCursorPos(1,8)
term.write("Slot8 grau: "..tostring(getCharCount(onechar,"7")))term.setCursorPos(21,1)
term.write("Slot9 hellgrau: "..tostring(getCharCount(onechar,"8")))term.setCursorPos(21,2)
term.write("Slot10 cyan: "..tostring(getCharCount(onechar,"9")))term.setCursorPos(21,3)
term.write("Slot11 lila: "..tostring(getCharCount(onechar,"a")))term.setCursorPos(21,4)
term.write("Slot12 blau: "..tostring(getCharCount(onechar,"b")+getCharCount(onechar,"b")))term.setCursorPos(21,5)
term.write("Slot13 braun: "..tostring(getCharCount(onechar,"c")))term.setCursorPos(21,6)
term.write("Slot14 grün: "..tostring(getCharCount(onechar,"d")))term.setCursorPos(21,7)
term.write("Slot15 rot: "..tostring(getCharCount(onechar,"e")))term.setCursorPos(21,8)
term.write("Slot16 schwarz: "..tostring(getCharCount(onechar,"f")))term.setCursorPos(1,9)

maxX=#img[1]
maxY=#img
print("Höhe: "..tostring(#img))
print("Breite: "..tostring(#img[1]))

y=1
ni.canvas3d().clear()
cvsBase=ni.canvas3d()
cvs=cvsBase.create()

for x=1,maxX do
    for z=1,maxY do
        block=cvs.addBox(x*size,y,z*size)
        block.setSize(size,size,size)
        block.setColor(color[string.sub(img[z],x,x)])
    end
end