first initial experimantal version

depends.txt

@@ -0,0 +1 @@
+default

init.lua

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+radar = {
+	description = "map block",
+	inventory_image = ("radar_block.png"),
+	tiles = {"radar_block.png"},
+	drawtype="normal",
+	is_ground_content = true,
+	groups = {crumbly=3},
+	walkable=true,
+	pointable=true,
+	diggable=true,
+	on_punch = function(pos, node, puncher)
+  local map = ""
+  for i = -16,16,1 do
+      for j = -16,16,1 do
+          local k=pos.y+100
+          while true do
+                 local pos1 = {x = pos.x+i, y = k, z = pos.z+j}
+                 local node = minetest.env:get_node_or_nil(pos1)
+                 if node ~=nil
+                 then
+                     local tile = ""
+                     if node.name ~= "air"
+                      then
+                        local def = minetest.registered_nodes[node.name]
+                        if def ~= nil then 
+                           local tiles = def["tiles"]                        
+                           if tiles ~= nil then 
+                              tile = tiles[1]                              
+                              if type(tile) == "table" then
+                                 --minetest.debug(minetest.serialize(tiles))
+                                 tile = tile["name"]
+                              end                              
+                           end
+                        end                        
+--                        local point = "image["..tostring(i+8).."/32,"..tostring(j+8).."/32;1/32,1/32;" ..tile.."]"
+                        local point = "image[".. 0.15*(i+16) ..",".. 0.15*(j+16) ..";0.2,0.2;" ..tile.."]"
+                        map = map .. point
+                        break
+                     end
+                 end
+                 k = k - 1     
+          end          
+      end     
+  end
+  
+  local meta= minetest.env:get_meta(pos)
+  local signal=""
+  signal=map
+  meta:set_string("formspec","size[5.1,4.9]"..
+  signal)	  	
+	end,
+	
+	  
+}
+
+minetest.register_node("mapp:map_block", radar)
+	
+minetest.register_craft({
+	output = 'mapp:map_block',
+	recipe = {
+		{'', '', ''},
+		{'', 'default:dirt', ''},
+		{'default:dirt', 'default:dirt', 'default:dirt'},
+	}
+})