Create mesecons command API and modify commandblock to use it
This commit is contained in:
parent
dbaa1c1373
commit
e0d3953e75
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@ -0,0 +1,226 @@
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mesecon = mesecon or {}
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local mod = {}
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mesecon.commandblock = mod
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local S = minetest.get_translator(minetest.get_current_modname())
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local F = minetest.formspec_escape
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local color_red = mcl_colors.RED
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mod.initialize = function(meta)
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meta:set_string("commands", "")
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meta:set_string("commander", "")
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end
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mod.place = function(meta, placer)
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if not placer then return end
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meta:set_string("commander", placer:get_player_name())
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end
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mod.resolve_commands = function(commands, meta, pos)
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local players = minetest.get_connected_players()
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local commander = meta:get_string("commander")
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-- A non-printable character used while replacing “@@”.
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local SUBSTITUTE_CHARACTER = "\26" -- ASCII SUB
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-- No players online: remove all commands containing
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-- problematic placeholders.
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if #players == 0 then
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commands = commands:gsub("[^\r\n]+", function (line)
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line = line:gsub("@@", SUBSTITUTE_CHARACTER)
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if line:find("@n") then return "" end
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if line:find("@p") then return "" end
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if line:find("@f") then return "" end
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if line:find("@r") then return "" end
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line = line:gsub("@c", commander)
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line = line:gsub(SUBSTITUTE_CHARACTER, "@")
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return line
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end)
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return commands
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end
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local nearest, farthest = nil, nil
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local min_distance, max_distance = math.huge, -1
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for index, player in pairs(players) do
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local distance = vector.distance(pos, player:get_pos())
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if distance < min_distance then
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min_distance = distance
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nearest = player:get_player_name()
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end
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if distance > max_distance then
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max_distance = distance
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farthest = player:get_player_name()
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end
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end
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local random = players[math.random(#players)]:get_player_name()
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commands = commands:gsub("@@", SUBSTITUTE_CHARACTER)
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commands = commands:gsub("@p", nearest)
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commands = commands:gsub("@n", nearest)
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commands = commands:gsub("@f", farthest)
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commands = commands:gsub("@r", random)
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commands = commands:gsub("@c", commander)
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commands = commands:gsub(SUBSTITUTE_CHARACTER, "@")
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return commands
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end
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local resolve_commands = mod.resolve_commands
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mod.check_commands = function(commands, player_name)
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for _, command in pairs(commands:split("\n")) do
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local pos = command:find(" ")
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local cmd = command
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if pos then
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cmd = command:sub(1, pos - 1)
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end
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local cmddef = minetest.chatcommands[cmd]
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if not cmddef then
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-- Invalid chat command
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local msg = S("Error: The command “@1” does not exist; your command block has not been changed. Use the “help” chat command for a list of available commands.", cmd)
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if string.sub(cmd, 1, 1) == "/" then
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msg = S("Error: The command “@1” does not exist; your command block has not been changed. Use the “help” chat command for a list of available commands. Hint: Try to remove the leading slash.", cmd)
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end
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return false, minetest.colorize(color_red, msg)
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end
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if player_name then
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local player_privs = minetest.get_player_privs(player_name)
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for cmd_priv, _ in pairs(cmddef.privs) do
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if player_privs[cmd_priv] ~= true then
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local msg = S("Error: You have insufficient privileges to use the command “@1” (missing privilege: @2)! The command block has not been changed.", cmd, cmd_priv)
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return false, minetest.colorize(color_red, msg)
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end
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end
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end
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end
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return true
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end
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local check_commands = mod.check_commands
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mod.action_on = function(meta, pos)
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local commander = meta:get_string("commander")
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local commands = resolve_commands(meta:get_string("commands"), meta, pos)
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for _, command in pairs(commands:split("\n")) do
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local cpos = command:find(" ")
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local cmd, param = command, ""
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if cpos then
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cmd = command:sub(1, cpos - 1)
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param = command:sub(cpos + 1)
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end
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local cmddef = minetest.chatcommands[cmd]
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if not cmddef then
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-- Invalid chat command
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return
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end
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-- Execute command in the name of commander
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cmddef.func(commander, param)
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end
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end
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local formspec_metas = {}
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mod.handle_rightclick = function(meta, player)
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local can_edit = true
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-- Only allow write access in Creative Mode
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if not minetest.is_creative_enabled(player:get_player_name()) then
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can_edit = false
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end
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local pname = player:get_player_name()
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if minetest.is_protected(pos, pname) then
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can_edit = false
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end
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local privs = minetest.get_player_privs(pname)
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if not privs.maphack then
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can_edit = false
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end
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local commands = meta:get_string("commands")
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if not commands then
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commands = ""
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end
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local commander = meta:get_string("commander")
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local commanderstr
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if commander == "" or commander == nil then
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commanderstr = S("Error: No commander! Block must be replaced.")
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else
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commanderstr = S("Commander: @1", commander)
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end
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local textarea_name, submit, textarea
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-- If editing is not allowed, only allow read-only access.
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-- Player can still view the contents of the command block.
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if can_edit then
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textarea_name = "commands"
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submit = "button_exit[3.3,4.4;2,1;submit;"..F(S("Submit")).."]"
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else
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textarea_name = ""
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submit = ""
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end
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if not can_edit and commands == "" then
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textarea = "label[0.5,0.5;"..F(S("No commands.")).."]"
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else
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textarea = "textarea[0.5,0.5;8.5,4;"..textarea_name..";"..F(S("Commands:"))..";"..F(commands).."]"
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end
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local formspec = "size[9,5;]" ..
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textarea ..
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submit ..
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"image_button[8,4.4;1,1;doc_button_icon_lores.png;doc;]" ..
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"tooltip[doc;"..F(S("Help")).."]" ..
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"label[0,4;"..F(commanderstr).."]"
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-- Store the metadata object for later use
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local fs_id = #formspec_metas + 1
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formspec_metas[fs_id] = meta
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print("using fs_id="..tostring(fs_id)..",meta="..tostring(meta)..",formspec_metas[fs_id]="..tostring(formspec_metas[fs_id]))
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minetest.show_formspec(pname, "commandblock_"..tostring(fs_id), formspec)
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end
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minetest.register_on_player_receive_fields(function(player, formname, fields)
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if string.sub(formname, 1, 13) == "commandblock_" then
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-- Show documentation
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if fields.doc and minetest.get_modpath("doc") then
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doc.show_entry(player:get_player_name(), "nodes", "mesecons_commandblock:commandblock_off", true)
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return
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end
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-- Validate form fields
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if (not fields.submit and not fields.key_enter) or (not fields.commands) then
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return
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end
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-- Check privileges
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local privs = minetest.get_player_privs(player:get_player_name())
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if not privs.maphack then
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minetest.chat_send_player(player:get_player_name(), S("Access denied. You need the “maphack” privilege to edit command blocks."))
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return
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end
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-- Check game mode
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if not minetest.is_creative_enabled(player:get_player_name()) then
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minetest.chat_send_player(player:get_player_name(),
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S("Editing the command block has failed! You can only change the command block in Creative Mode!")
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)
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return
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end
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-- Retrieve the metadata object this formspec data belongs to
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local index, _, fs_id = string.find(formname, "commandblock_(-?%d+)")
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fs_id = tonumber(fs_id)
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if not index or not fs_id or not formspec_metas[fs_id] then
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print("index="..tostring(index)..", fs_id="..tostring(fs_id).."formspec_metas[fs_id]="..tostring(formspec_metas[fs_id]))
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minetest.chat_send_player(player:get_player_name(), S("Editing the command block has failed! The command block is gone."))
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return
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end
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local meta = formspec_metas[fs_id]
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-- Verify the command
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local check, error_message = check_commands(fields.commands, player:get_player_name())
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if check == false then
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-- Command block rejected
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minetest.chat_send_player(player:get_player_name(), error_message)
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return
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end
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-- Update the command in the metadata
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meta:set_string("commands", fields.commands)
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end
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end)
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@ -1,106 +1,27 @@
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local modname = minetest.get_current_modname()
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local modpath = minetest.get_modpath(modname)
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local S = minetest.get_translator(minetest.get_current_modname())
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local S = minetest.get_translator(minetest.get_current_modname())
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local F = minetest.formspec_escape
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local tonumber = tonumber
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-- Initialize API
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dofile(modpath.."/api.lua")
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--mesecon.command_block = {}
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local api = mesecon.commandblock
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local color_red = mcl_colors.RED
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local command_blocks_activated = minetest.settings:get_bool("mcl_enable_commandblocks", true)
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local command_blocks_activated = minetest.settings:get_bool("mcl_enable_commandblocks", true)
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local msg_not_activated = S("Command blocks are not enabled on this server")
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local msg_not_activated = S("Command blocks are not enabled on this server")
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local function construct(pos)
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local function construct(pos)
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local meta = minetest.get_meta(pos)
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local meta = minetest.get_meta(pos)
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api.initialize(meta)
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meta:set_string("commands", "")
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meta:set_string("commander", "")
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end
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end
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local function after_place(pos, placer)
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local function after_place(pos, placer)
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if placer then
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local meta = minetest.get_meta(pos)
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local meta = minetest.get_meta(pos)
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meta:set_string("commander", placer:get_player_name())
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api.place(meta, placer)
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end
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end
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end
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local function resolve_commands(commands, pos)
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local function resolve_commands(commands, pos)
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local players = minetest.get_connected_players()
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local meta = minetest.get_meta(pos)
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local meta = minetest.get_meta(pos)
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local commander = meta:get_string("commander")
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return api.resolve_commands(commands, meta)
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-- A non-printable character used while replacing “@@”.
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local SUBSTITUTE_CHARACTER = "\26" -- ASCII SUB
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-- No players online: remove all commands containing
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-- problematic placeholders.
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if #players == 0 then
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commands = commands:gsub("[^\r\n]+", function (line)
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line = line:gsub("@@", SUBSTITUTE_CHARACTER)
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if line:find("@n") then return "" end
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if line:find("@p") then return "" end
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if line:find("@f") then return "" end
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if line:find("@r") then return "" end
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line = line:gsub("@c", commander)
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line = line:gsub(SUBSTITUTE_CHARACTER, "@")
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return line
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end)
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return commands
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end
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local nearest, farthest = nil, nil
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local min_distance, max_distance = math.huge, -1
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for index, player in pairs(players) do
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local distance = vector.distance(pos, player:get_pos())
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if distance < min_distance then
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min_distance = distance
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nearest = player:get_player_name()
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end
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if distance > max_distance then
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max_distance = distance
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farthest = player:get_player_name()
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end
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end
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local random = players[math.random(#players)]:get_player_name()
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commands = commands:gsub("@@", SUBSTITUTE_CHARACTER)
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commands = commands:gsub("@p", nearest)
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commands = commands:gsub("@n", nearest)
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commands = commands:gsub("@f", farthest)
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commands = commands:gsub("@r", random)
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commands = commands:gsub("@c", commander)
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commands = commands:gsub(SUBSTITUTE_CHARACTER, "@")
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return commands
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end
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local function check_commands(commands, player_name)
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for _, command in pairs(commands:split("\n")) do
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local pos = command:find(" ")
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local cmd = command
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if pos then
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cmd = command:sub(1, pos - 1)
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end
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local cmddef = minetest.chatcommands[cmd]
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if not cmddef then
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-- Invalid chat command
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local msg = S("Error: The command “@1” does not exist; your command block has not been changed. Use the “help” chat command for a list of available commands.", cmd)
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if string.sub(cmd, 1, 1) == "/" then
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msg = S("Error: The command “@1” does not exist; your command block has not been changed. Use the “help” chat command for a list of available commands. Hint: Try to remove the leading slash.", cmd)
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end
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return false, minetest.colorize(color_red, msg)
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end
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if player_name then
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local player_privs = minetest.get_player_privs(player_name)
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for cmd_priv, _ in pairs(cmddef.privs) do
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if player_privs[cmd_priv] ~= true then
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local msg = S("Error: You have insufficient privileges to use the command “@1” (missing privilege: @2)! The command block has not been changed.", cmd, cmd_priv)
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return false, minetest.colorize(color_red, msg)
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end
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end
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end
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end
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return true
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end
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end
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local function commandblock_action_on(pos, node)
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local function commandblock_action_on(pos, node)
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@ -109,7 +30,6 @@ local function commandblock_action_on(pos, node)
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end
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end
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local meta = minetest.get_meta(pos)
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local meta = minetest.get_meta(pos)
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local commander = meta:get_string("commander")
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if not command_blocks_activated then
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if not command_blocks_activated then
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--minetest.chat_send_player(commander, msg_not_activated)
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--minetest.chat_send_player(commander, msg_not_activated)
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@ -117,22 +37,7 @@ local function commandblock_action_on(pos, node)
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end
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end
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minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_on"})
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minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_on"})
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local commands = resolve_commands(meta:get_string("commands"), pos)
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api.action_on(meta, pos)
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for _, command in pairs(commands:split("\n")) do
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local cpos = command:find(" ")
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local cmd, param = command, ""
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if cpos then
|
|
||||||
cmd = command:sub(1, cpos - 1)
|
|
||||||
param = command:sub(cpos + 1)
|
|
||||||
end
|
|
||||||
local cmddef = minetest.chatcommands[cmd]
|
|
||||||
if not cmddef then
|
|
||||||
-- Invalid chat command
|
|
||||||
return
|
|
||||||
end
|
|
||||||
-- Execute command in the name of commander
|
|
||||||
cmddef.func(commander, param)
|
|
||||||
end
|
|
||||||
end
|
end
|
||||||
|
|
||||||
local function commandblock_action_off(pos, node)
|
local function commandblock_action_off(pos, node)
|
||||||
|
|
@ -146,54 +51,10 @@ local function on_rightclick(pos, node, player, itemstack, pointed_thing)
|
||||||
minetest.chat_send_player(player:get_player_name(), msg_not_activated)
|
minetest.chat_send_player(player:get_player_name(), msg_not_activated)
|
||||||
return
|
return
|
||||||
end
|
end
|
||||||
local can_edit = true
|
|
||||||
-- Only allow write access in Creative Mode
|
|
||||||
if not minetest.is_creative_enabled(player:get_player_name()) then
|
|
||||||
can_edit = false
|
|
||||||
end
|
|
||||||
local pname = player:get_player_name()
|
|
||||||
if minetest.is_protected(pos, pname) then
|
|
||||||
can_edit = false
|
|
||||||
end
|
|
||||||
local privs = minetest.get_player_privs(pname)
|
|
||||||
if not privs.maphack then
|
|
||||||
can_edit = false
|
|
||||||
end
|
|
||||||
|
|
||||||
local meta = minetest.get_meta(pos)
|
local meta = minetest.get_meta(pos)
|
||||||
local commands = meta:get_string("commands")
|
api.handle_rightclick(meta, player)
|
||||||
if not commands then
|
|
||||||
commands = ""
|
|
||||||
end
|
|
||||||
local commander = meta:get_string("commander")
|
|
||||||
local commanderstr
|
|
||||||
if commander == "" or commander == nil then
|
|
||||||
commanderstr = S("Error: No commander! Block must be replaced.")
|
|
||||||
else
|
|
||||||
commanderstr = S("Commander: @1", commander)
|
|
||||||
end
|
|
||||||
local textarea_name, submit, textarea
|
|
||||||
-- If editing is not allowed, only allow read-only access.
|
|
||||||
-- Player can still view the contents of the command block.
|
|
||||||
if can_edit then
|
|
||||||
textarea_name = "commands"
|
|
||||||
submit = "button_exit[3.3,4.4;2,1;submit;"..F(S("Submit")).."]"
|
|
||||||
else
|
|
||||||
textarea_name = ""
|
|
||||||
submit = ""
|
|
||||||
end
|
|
||||||
if not can_edit and commands == "" then
|
|
||||||
textarea = "label[0.5,0.5;"..F(S("No commands.")).."]"
|
|
||||||
else
|
|
||||||
textarea = "textarea[0.5,0.5;8.5,4;"..textarea_name..";"..F(S("Commands:"))..";"..F(commands).."]"
|
|
||||||
end
|
|
||||||
local formspec = "size[9,5;]" ..
|
|
||||||
textarea ..
|
|
||||||
submit ..
|
|
||||||
"image_button[8,4.4;1,1;doc_button_icon_lores.png;doc;]" ..
|
|
||||||
"tooltip[doc;"..F(S("Help")).."]" ..
|
|
||||||
"label[0,4;"..F(commanderstr).."]"
|
|
||||||
minetest.show_formspec(pname, "commandblock_"..pos.x.."_"..pos.y.."_"..pos.z, formspec)
|
|
||||||
end
|
end
|
||||||
|
|
||||||
local function on_place(itemstack, placer, pointed_thing)
|
local function on_place(itemstack, placer, pointed_thing)
|
||||||
|
|
@ -207,8 +68,6 @@ local function on_place(itemstack, placer, pointed_thing)
|
||||||
return new_stack
|
return new_stack
|
||||||
end
|
end
|
||||||
|
|
||||||
--local node = minetest.get_node(pointed_thing.under)
|
|
||||||
|
|
||||||
local privs = minetest.get_player_privs(placer:get_player_name())
|
local privs = minetest.get_player_privs(placer:get_player_name())
|
||||||
if not privs.maphack then
|
if not privs.maphack then
|
||||||
minetest.chat_send_player(placer:get_player_name(), S("Placement denied. You need the “maphack” privilege to place command blocks."))
|
minetest.chat_send_player(placer:get_player_name(), S("Placement denied. You need the “maphack” privilege to place command blocks."))
|
||||||
|
|
@ -282,44 +141,6 @@ minetest.register_node("mesecons_commandblock:commandblock_on", {
|
||||||
_mcl_hardness = -1,
|
_mcl_hardness = -1,
|
||||||
})
|
})
|
||||||
|
|
||||||
minetest.register_on_player_receive_fields(function(player, formname, fields)
|
|
||||||
if string.sub(formname, 1, 13) == "commandblock_" then
|
|
||||||
if fields.doc and minetest.get_modpath("doc") then
|
|
||||||
doc.show_entry(player:get_player_name(), "nodes", "mesecons_commandblock:commandblock_off", true)
|
|
||||||
return
|
|
||||||
end
|
|
||||||
if (not fields.submit and not fields.key_enter) or (not fields.commands) then
|
|
||||||
return
|
|
||||||
end
|
|
||||||
|
|
||||||
local privs = minetest.get_player_privs(player:get_player_name())
|
|
||||||
if not privs.maphack then
|
|
||||||
minetest.chat_send_player(player:get_player_name(), S("Access denied. You need the “maphack” privilege to edit command blocks."))
|
|
||||||
return
|
|
||||||
end
|
|
||||||
|
|
||||||
local index, _, x, y, z = string.find(formname, "commandblock_(-?%d+)_(-?%d+)_(-?%d+)")
|
|
||||||
if index and x and y and z then
|
|
||||||
local pos = {x = tonumber(x), y = tonumber(y), z = tonumber(z)}
|
|
||||||
local meta = minetest.get_meta(pos)
|
|
||||||
if not minetest.is_creative_enabled(player:get_player_name()) then
|
|
||||||
minetest.chat_send_player(player:get_player_name(), S("Editing the command block has failed! You can only change the command block in Creative Mode!"))
|
|
||||||
return
|
|
||||||
end
|
|
||||||
local check, error_message = check_commands(fields.commands, player:get_player_name())
|
|
||||||
if check == false then
|
|
||||||
-- Command block rejected
|
|
||||||
minetest.chat_send_player(player:get_player_name(), error_message)
|
|
||||||
return
|
|
||||||
else
|
|
||||||
meta:set_string("commands", fields.commands)
|
|
||||||
end
|
|
||||||
else
|
|
||||||
minetest.chat_send_player(player:get_player_name(), S("Editing the command block has failed! The command block is gone."))
|
|
||||||
end
|
|
||||||
end
|
|
||||||
end)
|
|
||||||
|
|
||||||
-- Add entry alias for the Help
|
-- Add entry alias for the Help
|
||||||
if minetest.get_modpath("doc") then
|
if minetest.get_modpath("doc") then
|
||||||
doc.add_entry_alias("nodes", "mesecons_commandblock:commandblock_off", "nodes", "mesecons_commandblock:commandblock_on")
|
doc.add_entry_alias("nodes", "mesecons_commandblock:commandblock_off", "nodes", "mesecons_commandblock:commandblock_on")
|
||||||
|
|
|
||||||
Loading…
Reference in New Issue