setBlock, initial

init.lua

@@ -1,7 +1,6 @@
 local socket = require("socket")
 local server = socket.bind("*", 4711)
 server:settimeout(0)
-
 local clientlist = {}
 
 minetest.register_globalstep(function(dtime)
@@ -12,14 +11,18 @@ minetest.register_globalstep(function(dtime)
        print("RJM client connected")
     end
     for i = 1, #clientlist do
-       local line,err = clientlist[i]:receive()
-       if err == "closed" then
-          table.remove(clientlist, i)
-          print("RJM client disconnected")
-          break -- The other clients won't be processed on this tick, alas
-       elseif not err then
-          handlecommand(clientlist[i], line)
+       local err = false
+       local line
+       while not err do
+         line,err = clientlist[i]:receive()
+         if err == "closed" then
+            table.remove(clientlist, i)
+            print("RJM client disconnected")
+         elseif not err then
+            handlecommand(clientlist[i], line)
+         end
        end
+       if err == "closed" then break end
     end
 end)
 
@@ -27,8 +30,12 @@ function getplayer()
     return minetest.get_connected_players()[1]
 end
 
+local BLOCKS = {}
+BLOCKS[bit.bor(bit.lshift(0,4),0)] = {name="air"}
+BLOCKS[bit.bor(bit.lshift(1,4),0)] = {name="default:stone"}
+
 function handlecommand(client, line)
-    --print("Command received: "..line)
+    print("Command received: "..line)
     local cmd, argtext = string.match(line, "([^(]+)%((.*)%)")
     if not cmd then return end
     local args = {}
@@ -38,21 +45,27 @@ function handlecommand(client, line)
     if cmd == "chat.post" then
         minetest.chat_send_all(argtext)
     elseif cmd == "player.getPos" then
-        local player = getplayer()
-        print(player)
-        print(player:is_player())
-        print(player:get_player_name())
-        local pos = player:getpos()
-        print(pos.x)
-        print(pos.y)
-        print(pos.z)
+        local pos = getplayer():getpos()
         client:send(""..(pos.x)..","..(pos.y)..","..(pos.z).."\n")
     elseif cmd == "player.setPos" then
-        local pos = {}
-        pos.x = tonumber(args[1])
-        pos.y = tonumber(args[2])
-        pos.z = tonumber(args[3])
-        getplayer():setpos(pos)
+        getplayer():setpos({x=tonumber(args[1]), y=tonumber(args[2]), z=tonumber(args[3])})
+    elseif cmd == "world.setBlock" then
+        local nodenum
+        if #args == 3 then
+            nodenum = 0
+        elseif #args == 4 then
+            nodenum = bit.lshift(tonumber(args[4]),4)
+        else
+            nodenum = bit.bor(bit.lshift(tonumber(args[4]),4),tonumber(args[5]))
+        end
+        local node = BLOCKS[nodenum]
+        if not node then
+            node = BLOCKS[bit.band(nodenum,0xFFF0)]
+            if not node then
+                node = BLOCKS[bit.lshift(1,4)]
+            end
+        end
+        minetest.set_node({x=tonumber(args[1]),y=tonumber(args[2]),z=tonumber(args[3])},node)
     end
 end