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minetest.register_chatcommand("say", {
params = "<text>",
description = "Say <text> as the server",
privs = {server=true},
func = function(name, param)
minetest.chat_send_all(name .. ": " .. param)
end
})
minetest.register_chatcommand("tell", {
params = "<name> <text>",
description = "Say <text> to <name> privately",
func = function(name, param)
local found, _, target, message = param:find("^([^%s]+)%s+(.*)$")
if found == nil then
minetest.chat_send_player(name, "Invalid usage: " .. param)
return
end
if not minetest.get_player_by_name(target) then
minetest.chat_send_player(name, "Invalid target: " .. target)
end
minetest.chat_send_player(target, name .. " whispers: " .. message, false)
end
})
minetest.register_chatcommand("hp", {
params = "<name> <value>",
description = "Set health of <name> to <value> hitpoints",
privs = {ban=true},
func = function(name, param)
local found, _, target, value = param:find("^([^%s]+)%s+(%d+)$")
if found == nil then
minetest.chat_send_player(name, "Invalid usage: " .. param)
return
end
local player = minetest.get_player_by_name(target)
if player then
player:set_hp(value)
else
minetest.chat_send_player(name, "Invalid target: " .. target)
end
end
})
local function initialize_data(meta)
local commands = minetest.formspec_escape(meta:get_string("commands"))
meta:set_string("formspec",
"invsize[9,5;]" ..
"textarea[0.5,0.5;8.5,4;commands;Commands;"..commands.."]" ..
"label[1,3.8;@nearest, @farthest, and @random are replaced by the respective player names]" ..
"button_exit[3.3,4.5;2,1;submit;Submit]")
local owner = meta:get_string("owner")
if owner == "" then
owner = "not owned"
else
owner = "owned by " .. owner
end
meta:set_string("infotext", "Command Block\n" ..
"(" .. owner .. ")\n" ..
"Commands: "..commands)
end
local function construct(pos)
local meta = minetest.get_meta(pos)
meta:set_string("commands", "tell @nearest Commandblock unconfigured")
meta:set_string("owner", "")
initialize_data(meta)
end
local function after_place(pos, placer)
if placer then
local meta = minetest.get_meta(pos)
meta:set_string("owner", placer:get_player_name())
initialize_data(meta)
end
end
local function receive_fields(pos, formname, fields, sender)
if not fields.submit then
return
end
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
if owner ~= "" and sender:get_player_name() ~= owner then
return
end
meta:set_string("commands", fields.commands)
initialize_data(meta)
end
local function resolve_commands(commands, pos)
local players = minetest.get_connected_players()
-- No players online: remove all commands containing
-- @nearest, @farthest and @random
if #players == 0 then
commands = commands:gsub("[^\r\n]+", function (line)
if line:find("@nearest") then return "" end
if line:find("@farthest") then return "" end
if line:find("@random") then return "" end
return line
end)
return commands
end
local nearest, farthest = nil, nil
local min_distance, max_distance = math.huge, -1
for index, player in pairs(players) do
local distance = vector.distance(pos, player:getpos())
if distance < min_distance then
min_distance = distance
nearest = player:get_player_name()
end
if distance > max_distance then
max_distance = distance
farthest = player:get_player_name()
end
end
local random = players[math.random(#players)]:get_player_name()
commands = commands:gsub("@nearest", nearest)
commands = commands:gsub("@farthest", farthest)
commands = commands:gsub("@random", random)
return commands
end
local function commandblock_action_on(pos, node)
if node.name ~= "mesecons_commandblock:commandblock_off" then
return
end
minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_on"})
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
if owner == "" then
return
end
local commands = resolve_commands(meta:get_string("commands"), pos)
for _, command in pairs(commands:split("\n")) do
local pos = command:find(" ")
local cmd, param = command, ""
if pos then
cmd = command:sub(1, pos - 1)
param = command:sub(pos + 1)
end
local cmddef = minetest.chatcommands[cmd]
if not cmddef then
minetest.chat_send_player(owner, "The command "..cmd.." does not exist")
return
end
local has_privs, missing_privs = minetest.check_player_privs(owner, cmddef.privs)
if not has_privs then
minetest.chat_send_player(owner, "You don't have permission "
.."to run "..cmd
.." (missing privileges: "
..table.concat(missing_privs, ", ")..")")
return
end
cmddef.func(owner, param)
end
end
local function commandblock_action_off(pos, node)
if node.name == "mesecons_commandblock:commandblock_on" then
minetest.swap_node(pos, {name = "mesecons_commandblock:commandblock_off"})
end
end
local function can_dig(pos, player)
local meta = minetest.get_meta(pos)
local owner = meta:get_string("owner")
return owner == "" or owner == player:get_player_name()
end
minetest.register_node("mesecons_commandblock:commandblock_off", {
description = "Command Block",
tiles = {"jeija_commandblock_off.png"},
inventory_image = minetest.inventorycube("jeija_commandblock_off.png"),
groups = {cracky=2, mesecon_effector_off=1},
on_construct = construct,
after_place_node = after_place,
on_receive_fields = receive_fields,
can_dig = can_dig,
sounds = default.node_sound_stone_defaults(),
mesecons = {effector = {
action_on = commandblock_action_on
}},
on_blast = mesecon.on_blastnode,
})
minetest.register_node("mesecons_commandblock:commandblock_on", {
tiles = {"jeija_commandblock_on.png"},
groups = {cracky=2, mesecon_effector_on=1, not_in_creative_inventory=1},
light_source = 10,
drop = "mesecons_commandblock:commandblock_off",
on_construct = construct,
after_place_node = after_place,
on_receive_fields = receive_fields,
can_dig = can_dig,
sounds = default.node_sound_stone_defaults(),
mesecons = {effector = {
action_off = commandblock_action_off
}},
on_blast = mesecon.on_blastnode,
})
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