WATCHER

function charToColor(code)
	if code == "0" then
		return colors.white
	elseif code == "1" then
		return colors.orange
	elseif code == "2" then
		return colors.magenta
	elseif code == "3" then
		return colors.lightBlue
	elseif code == "4" then
		return colors.yellow
	elseif code == "5" then
		return colors.lime
	elseif code == "6" then
		return colors.pink
	elseif code == "7" then
		return colors.gray
	elseif code == "8" then
		return colors.lightGray
	elseif code == "9" then
		return colors.cyan
	elseif code == "a" then
		return colors.purple
	elseif code == "b" then
		return colors.blue
	elseif code == "c" then
		return colors.brown
	elseif code == "d" then
		return colors.green
	elseif code == "e" then
		return colors.red
	elseif code == "f" then
		return colors.black
	else
		return nil
	end
end

function drawPixel(x,y,color)
	term.setCursorPos(x,y)
	term.setBackgroundColor(color)
	write(" ")
end

function pixel(color,ch)
	term.setBackgroundColor(color)
	write(ch)
end


term.clear()
term.setCursorPos(1,1)

allOK = false
--manual
posY = -1
filename = "block_colors.txt"
net = peripheral.find("modem")
monitor = peripheral.find("monitor")
if net == nil then print("brakuje modemu!") allOK = false else allOK = true end
port = 420

--auto
blockID = {}
colorID = {}
screenSize = 0
if not fs.exists(filename) then shell.run("pastebin","get","fyejyf1z",filename) end
if fs.exists(filename) then
	print("file exist loading...")
	sleep(1)

	file = fs.open(filename, "r")
	switch = true
	line = file.readLine()
	while line ~= nil do
			if switch then
				table.insert(blockID,line)
				print("wczytano: " ..line .." do blockID")
				switch = false
			else
				table.insert(colorID,line)
				term.setTextColor(charToColor(line))
				print("wczytano: " ..line .." do colorID")
				term.setTextColor(charToColor("0"))
				switch = true
			end
			line = file.readLine()
	end
	file.close()
	print("file loaded setting screen size...")
	sleep(1)
end

--ustawia rozmiar ekranu
net.open(port)
event, side, port1, port2, msg  = os.pullEvent( "modem_message" )
for i, block in pairs(msg) do
	if block.x > screenSize then
		screenSize = block.x
	end
end
print("screen size: " ..screenSize)
sleep(1)
print("starting scanning!")
sleep(1)

colorText = {{},{}} --  x , y , colorZnaku , colorTla , znak
colorBack = {{},{}}
znakBuffer = {{},{}}

for i = 1, screenSize * 4 do
      colorText[i] = {}     -- create a new row
      for j=1,screenSize * 4 do
        colorText[i][j] = colors.black
      end
end

for i = 1, screenSize * 4 do
      colorBack[i] = {}     -- create a new row
      for j=1,screenSize * 4 do
        colorBack[i][j] = colors.black
      end
end

for i = 1, screenSize * 4 do
      znakBuffer[i] = {}     -- create a new row
      for j=1,screenSize * 4 do
        znakBuffer[i][j] = ""
      end
end




term.clear()
tempBlockID = ""
while true do
	event, side, port1, port2, msg  = os.pullEvent( "modem_message" )

	for i, block in pairs(msg) do

	--evenevenlower
	  if block.name ~= "minecraft:air" and block.y == posY - 2 then
		tempBlockID = ""
		for o, line in pairs(blockID) do
			if string.find(block.name,blockID[o]) ~= nil then
				tempBlockID = o
			end
		end

		if tempBlockID ~= "" then
		--print(tostring(block.x + screenSize + 1) .." , " ..tostring(block.y + screenSize + 1))
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = charToColor(colorID[tempBlockID])
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = colors.black
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = "\127"
		end
	  end

	  --evelower
	  if block.name ~= "minecraft:air" and block.y == posY - 1 then
		tempBlockID = ""
		for o, line in pairs(blockID) do
			if string.find(block.name,blockID[o]) ~= nil then
				tempBlockID = o
			end
		end

		if tempBlockID ~= "" then
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = colors.black
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = charToColor(colorID[tempBlockID])
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = "\127"
		else
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = colors.red
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = colors.black
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = "\191"
		end
	  end

	  --floor

	  if block.name ~= "minecraft:air" and block.y == posY then
	  	tempBlockID = ""
		for o, line in pairs(blockID) do
			if string.find(block.name,blockID[o]) ~= nil then
				tempBlockID = o
			end
		end

		if tempBlockID ~= "" then
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = colors.gray
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = charToColor(colorID[tempBlockID])
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = "\127"
		else
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = colors.red
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = colors.black
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = "?"
		end
	  end

	  --walls
	  if block.name ~= "minecraft:air" and block.y == posY + 1 then
		tempBlockID = ""
		for o, line in pairs(blockID) do
			if string.find(block.name,blockID[o]) ~= nil then
				tempBlockID = o
			end
		end

		if tempBlockID ~= "" then
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = colors.white
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = charToColor(colorID[tempBlockID])
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = "\127"
		else
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = colors.red
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = colors.black
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = "X"
		end
	  end

	  --walls +1
	  if block.name ~= "minecraft:air" and block.y == posY + 2 then
		tempBlockID = ""
		for o, line in pairs(blockID) do
			if string.find(block.name,blockID[o]) ~= nil then
				tempBlockID = o
			end
		end

		if tempBlockID ~= "" then
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = colors.black
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = charToColor(colorID[tempBlockID])
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = " "
		else
			colorText[block.x + screenSize + 1][block.z + screenSize + 1] = colors.red
			colorBack[block.x + screenSize + 1][block.z + screenSize + 1] = colors.black
			znakBuffer[block.x + screenSize + 1][block.z + screenSize + 1] = "X"
		end
	  end

	end

	--pozycja gracza
		if colorBack[screenSize + 1][screenSize + 1] == colors.white then
			colorText[screenSize + 1][screenSize + 1] = colors.black
		else
			colorText[screenSize + 1][screenSize + 1] = colors.white
		end
		znakBuffer[screenSize + 1][screenSize + 1] = "\2"
	--RYSOWANIE
	if(monitor == nil) then
		for i = 1, screenSize * 4, 1 do
			for o = 1, screenSize * 4, 1 do
				term.setCursorPos(i,o)
				term.setBackgroundColor(colorBack[i][o])
				term.setTextColor(colorText[i][o])
				write(znakBuffer[i][o])
			end
		end
	else
		for i = 1, screenSize * 4, 1 do
			for o = 1, screenSize * 4, 1 do
				monitor.setCursorPos(i,o)
				monitor.setBackgroundColor(colorBack[i][o])
				monitor.setTextColor(colorText[i][o])
				monitor.write(znakBuffer[i][o])
			end
		end
	end
	--CZYSZCZENIE BUFFERA
	for i = 1, screenSize * 4 do
      for j=1,screenSize * 4 do
        colorText[i][j] = colors.black
      end
	end

	for i = 1, screenSize * 4 do
		  for j=1,screenSize * 4 do
			colorBack[i][j] = colors.black
		  end
	end

	for i = 1, screenSize * 4 do
		  for j=1,screenSize * 4 do
			znakBuffer[i][j] = " "
		  end
	end

	--sleep(0.2)
end