mesecons/mesecons_commandblock/init.lua
2013-03-27 21:21:44 -04:00

200 lines
6.3 KiB
Lua

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+(.*)$")
if found == nil then
minetest.chat_send_player(name, "Invalid usage: " .. param)
return
end
minetest.chat_send_player(target, name .. " whispers: " .. message)
end
})
minetest.register_chatcommand("tellme", {
params = "<text>",
description = "Say <text> to yourself",
func = function(name, param)
minetest.chat_send_player(name, param)
end
})
minetest.register_chatcommand("hp", {
params = "<name> <value>",
description = "Set health of <name> to <value> hitpoints",
privs = {ban=true},
func = function(name, param)
local found, _, target, value = param:find("^([^%s]+)%s+(%d+)$")
if found == nil then
minetest.chat_send_player(name, "Invalid usage: " .. param)
return
end
minetest.get_player_by_name(target):set_hp(value)
end
})
local initialize_data = function(meta, player, command, param)
meta:set_string("formspec",
"invsize[9,6;]" ..
"field[1,1;7.5,1;player;Player;" .. player .. "]" ..
"button[1.3,2;2,1;nearest;Nearest]" ..
"button[3.3,2;2,1;farthest;Farthest]" ..
"button[5.3,2;2,1;random;Random]" ..
"field[1,4;2,1;command;Command;" .. command .. "]" ..
"field[3,4;5.5,1;param;Parameter;" .. param .. "]" ..
"button_exit[3.3,5;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" ..
"Command: /" .. command .. " " .. param)
end
local construct = function(pos)
local meta = minetest.env:get_meta(pos)
meta:set_string("player", "@nearest")
meta:set_string("command", "time")
meta:set_string("param", "7000")
meta:set_string("owner", "")
initialize_data(meta, "@nearest", "time", "7000")
end
local after_place = function(pos, placer)
if placer then
local meta = minetest.env:get_meta(pos)
meta:set_string("owner", placer:get_player_name())
initialize_data(meta, "@nearest", "time", "7000")
end
end
local receive_fields = function(pos, formname, fields, sender)
local meta = minetest.env:get_meta(pos)
if fields.nearest then
initialize_data(meta, "@nearest", fields.command, fields.param)
elseif fields.farthest then
initialize_data(meta, "@farthest", fields.command, fields.param)
elseif fields.random then
initialize_data(meta, "@random", fields.command, fields.param)
else --fields.submit or pressed enter
meta:set_string("player", fields.player)
meta:set_string("command", fields.command)
meta:set_string("param", fields.param)
initialize_data(meta, fields.player, fields.command, fields.param)
end
end
local resolve_player = function(name, pos)
local get_distance = function(pos1, pos2)
return math.sqrt((pos1.x - pos2.x) ^ 2 + (pos1.y - pos2.y) ^ 2 + (pos1.z - pos2.z) ^ 2)
end
if name == "@nearest" then
local min_distance = math.huge
for index, player in ipairs(minetest.get_connected_players()) do
local distance = get_distance(pos, player:getpos())
if distance < min_distance then
min_distance = distance
name = player:get_player_name()
end
end
elseif name == "@farthest" then
local max_distance = -1
for index, player in ipairs(minetest.get_connected_players()) do
local distance = get_distance(pos, player:getpos())
if distance > max_distance then
max_distance = distance
name = player:get_player_name()
end
end
elseif name == "@random" then
local players = minetest.get_connected_players()
local player = players[math.random(#players)]
name = player:get_player_name()
end
return name
end
local commandblock_action_on = function(pos, node)
if node.name ~= "mesecons_commandblock:commandblock_off" then
return
end
mesecon:swap_node(pos, "mesecons_commandblock:commandblock_on")
local meta = minetest.env:get_meta(pos)
local command = minetest.chatcommands[meta:get_string("command")]
if command == nil then
return
end
local owner = meta:get_string("owner")
if owner == "" then
return
end
local has_privs, missing_privs = minetest.check_player_privs(owner, command.privs)
if not has_privs then
minetest.chat_send_player(owner, "You don't have permission to run this command (missing privileges: "..table.concat(missing_privs, ", ")..")")
return
end
local player = resolve_player(meta:get_string("player"), pos)
command.func(player, meta:get_string("param"))
end
local commandblock_action_off = function(pos, node)
if node.name == "mesecons_commandblock:commandblock_on" then
mesecon:swap_node(pos, "mesecons_commandblock:commandblock_off")
end
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 = function(pos,player)
local owner = minetest.env:get_meta(pos):get_string("owner")
return owner == "" or owner == player:get_player_name()
end,
sounds = default.node_sound_stone_defaults(),
mesecons = {effector = {
action_on = commandblock_action_on
}}
})
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 = function(pos,player)
local owner = minetest.env:get_meta(pos):get_string("owner")
return owner == "" or owner == player:get_player_name()
end,
sounds = default.node_sound_stone_defaults(),
mesecons = {effector = {
action_off = commandblock_action_off
}}
})