command interpreter bug fixed

basis.lua

@@ -213,8 +213,8 @@ minetest.register_craft({
 	output = "signs_bot:box",
 	recipe = {
 		{"default:steel_ingot", "group:wood", "default:steel_ingot"},
-		{"basic_materials:gear_steel", "default:mese_crystal", "basic_materials:gear_steel"},
-		{"default:tin_ingot", "basic_materials:silicon", "default:tin_ingot"}
+		{"basic_materials:motor", "default:mese_crystal", "basic_materials:gear_steel"},
+		{"default:tin_ingot", "", "default:tin_ingot"}
 	}
 })
 

bot_flap.lua

@@ -31,9 +31,9 @@ local function formspec(cmnd)
 	"button_exit[2.5,5.5;2,1;exit;"..I("Exit").."]"
 end
 
-local commands = [[dig_sign 4
+local commands = [[dig_sign 6
 move 2
-place_sign_behind 4
+place_sign_behind 6
 ]]
 
 minetest.register_node("signs_bot:bot_flap", {

commands.lua

@@ -567,9 +567,9 @@ function signs_bot.run_next_command(base_pos, mem)
 		local line = table.remove(mem.lCmnd, 1)
 		if line then
 			local cmnd, param1, param2 = unpack(string.split(line, " "))
-			if cmnd ~= "--" then -- No comment?
-				sts,res = true, tCommands[cmnd].cmnd(base_pos, mem, param1, param2)
-				--sts, res = pcall(tCommands[cmnd].cmnd(base_pos, mem, param1, param2))
+			if cmnd ~= "--" and tCommands[cmnd] then -- Valid command?
+				--sts,res = true, tCommands[cmnd].cmnd(base_pos, mem, param1, param2)
+				sts, res = pcall(tCommands[cmnd].cmnd, base_pos, mem, param1, param2)
 				if not sts then
 					minetest.sound_play('signs_bot_error', {pos = base_pos})
 					minetest.sound_play('signs_bot_error', {pos = mem.robot_pos})

sign_func.lua

@@ -78,6 +78,14 @@ local function trim(s)
   return (s:gsub("^%s*(.-)%s*$", "%1"))
 end
 
+local function trim_text(text)
+	local tbl = {}
+	for idx,line in ipairs(string.split(text, "\n", true)) do
+		tbl[#tbl+1]	= trim(line)
+	end
+	return table.concat(tbl, "\n")
+end
+
 local function append_line(pos, meta, line)
 	line = trim(line or "") 
 	local text = meta:get_string("signs_bot_cmnd").."\n"..line
@@ -88,7 +96,7 @@ local function append_line(pos, meta, line)
 end	
 	
 local function check_and_store(pos, meta, fields)	
-	meta:set_string("signs_bot_cmnd", fields.cmnd)
+	meta:set_string("signs_bot_cmnd", trim_text(fields.cmnd))
 	meta:set_string("sign_name", fields.name)
 	local res,err_msg = signs_bot.check_commands(pos, fields.cmnd)
 	meta:set_int("err_code", res and 0 or 1) -- zero means OK
@@ -172,7 +180,7 @@ minetest.register_node("signs_bot:sign_cmnd", {
 	sunlight_propagates = true,
 	is_ground_content = false,
 	drop = "",
-	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2, wood = 1, sign_bot_sign = 1},
+	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2, sign_bot_sign = 1},
 	sounds = default.node_sound_wood_defaults(),
 })
 

signs.lua

@@ -61,7 +61,7 @@ local function register_sign(def)
 		paramtype = "light",
 		sunlight_propagates = true,
 		is_ground_content = false,
-		groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2, wood = 1, sign_bot_sign = 1},
+		groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2, sign_bot_sign = 1},
 		sounds = default.node_sound_wood_defaults(),
 	})
 end