minemap.jl

using PiCraft
using SenseHat
using Colors


LED=led_matrix()

colors = Dict(
	Block(12, 0)=>colorant"yellow",
	Block(2, 0)=>colorant"green",
	Block(9, 0)=>colorant"blue",
	Block(0, 0)=>colorant"white"
)

const known_blocks = Dict()

function getBlocks()
  x,y,z = player.getTile()
  blocks=Array{Block, 1}()
  y=y-1
  for dz in (z-3):(z+4)
	for dx in (x-3):(x+4)
	  b=(dx, y, dz)
	  block = get!(known_blocks, b, world.getBlock(dx, y, z))
	  push!(blocks, block)
	end
  end
  return blocks
end

while true
	map = reshape([get(colors, b, colorant"black",) for b in getBlocks()], 8,8)
	map[4, 4] = colorant"black"
	LED[:] = map
end