core: finish initial register_command

worldeditadditions_core/core/register_command.lua

@@ -5,6 +5,9 @@
 -- ██   ██ ███████  ██████  ██ ███████    ██    ███████ ██   ██
 
 -- WorldEditAdditions chat command registration
+local we_c = worldeditadditions_core
+
+local run_command = dofile(we_c.modpath.."/core/run_command.lua")
 
 local function log_error(cmdname, error_message)
 	minetest.log("error", "register_command("..cmdname..") error: "..error_message)
@@ -30,6 +33,10 @@ local function register_command(cmdname, options)
 		log_error(cmdname, "The func option is not a function.")
 		return false
 	end
+	if we_c.registered_commands[cmdname] and options.override ~= true then
+		log_error(cmdname, "A WorldEditAdditions command with that name is registered, but the option override is not set to true.")
+		return false
+	end
 	
 	
 	---
@@ -37,7 +44,7 @@ local function register_command(cmdname, options)
 	---
 	if not options.privs then options.privs = {} end
 	if not options.require_pos then options.require_pos = 0 end
-	if not options.nodes_needed then options.nodes_needed = function() return 0 end
+	if not options.nodes_needed then options.nodes_needed = function() return 0 end end
 	
 	---
 	-- 3: Registration
@@ -47,8 +54,8 @@ local function register_command(cmdname, options)
 		description = options.description,
 		privs = options.privs,
 		func = function(player_name, paramtext)
-			-- TODO: Fill this in
+			run_command(cmdname, player_name, paramtext)
 		end
-		
 	})
+	we_c.registered_commands[cmdname] = options
 end