116 lines
3.2 KiB
Lua
116 lines
3.2 KiB
Lua
|
|
local META_ON_OFF_KEY = "logonoff"
|
|
|
|
local charset = "ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
|
|
local function rand_str(length, seed)
|
|
math.randomseed(seed)
|
|
local ret = {}
|
|
local r
|
|
for i = 1, length do
|
|
r = math.random(1, #charset)
|
|
table.insert(ret, charset:sub(r, r))
|
|
end
|
|
return table.concat(ret)
|
|
end
|
|
|
|
----------------------------------------------------------------
|
|
-- global namespaced functions
|
|
----------------------------------------------------------------
|
|
|
|
function logistica.load_position(pos)
|
|
if pos.x < -30912 or pos.y < -30912 or pos.z < -30912 or
|
|
pos.x > 30927 or pos.y > 30927 or pos.z > 30927 then return end
|
|
if minetest.get_node_or_nil(pos) then
|
|
return
|
|
end
|
|
local vm = minetest.get_voxel_manip()
|
|
vm:read_from_map(pos, pos)
|
|
end
|
|
|
|
function logistica.swap_node(pos, newName)
|
|
local node = minetest.get_node(pos)
|
|
if node.name ~= newName then
|
|
node.name = newName
|
|
minetest.swap_node(pos, node)
|
|
end
|
|
end
|
|
|
|
function logistica.get_network_name_for(pos)
|
|
local p1 = rand_str(3, pos.x)
|
|
local p2 = rand_str(3, pos.y)
|
|
local p3 = rand_str(3, pos.z)
|
|
return p1.."-"..p2.."-"..p3
|
|
end
|
|
|
|
function logistica.set_infotext(pos, txt)
|
|
local meta = minetest.get_meta(pos)
|
|
meta:set_string("infotext", txt)
|
|
end
|
|
|
|
function logistica.ttos(val, name, skipnewlines, depth)
|
|
skipnewlines = skipnewlines or true
|
|
depth = depth or 0
|
|
|
|
local tmp = string.rep(" ", depth)
|
|
|
|
if name then tmp = tmp .. name .. " = " end
|
|
|
|
if type(val) == "table" then
|
|
tmp = tmp .. "{" .. (not skipnewlines and "\n" or "")
|
|
|
|
for k, v in pairs(val) do
|
|
tmp = tmp .. logistica.ttos(v, k, skipnewlines, depth + 1) .. "," .. (not skipnewlines and "\n" or "")
|
|
end
|
|
|
|
tmp = tmp .. string.rep(" ", depth) .. "}"
|
|
elseif type(val) == "number" then
|
|
tmp = tmp .. tostring(val)
|
|
elseif type(val) == "string" then
|
|
tmp = tmp .. string.format("%q", val)
|
|
elseif type(val) == "boolean" then
|
|
tmp = tmp .. (val and "true" or "false")
|
|
else
|
|
tmp = tmp .. "\"[inserializeable datatype:" .. type(val) .. "]\""
|
|
end
|
|
|
|
return tmp
|
|
end
|
|
|
|
function logistica.clamp(v, min, max)
|
|
if v < min then return min end
|
|
if v > max then return max end
|
|
return v
|
|
end
|
|
|
|
function logistica.start_node_timer(pos, time)
|
|
local timer = minetest.get_node_timer(pos)
|
|
if not timer:is_started() then
|
|
timer:start(time)
|
|
end
|
|
return timer
|
|
end
|
|
|
|
function logistica.is_machine_on(pos)
|
|
local meta = minetest.get_meta(pos)
|
|
return meta:get_int(META_ON_OFF_KEY) > 0
|
|
end
|
|
|
|
-- toggles the state and returns the new state (true for on, false for off)
|
|
function logistica.toggle_machine_on_off(pos)
|
|
local meta = minetest.get_meta(pos)
|
|
local newState = (meta:get_int(META_ON_OFF_KEY) + 1) % 2
|
|
meta:set_int(META_ON_OFF_KEY, newState)
|
|
return newState > 0
|
|
end
|
|
|
|
-- isOn is optional
|
|
function logistica.set_logistica_node_infotext(pos, isOn)
|
|
if isOn == nil then isOn = logistica.is_machine_on(pos) end
|
|
logistica.load_position(pos)
|
|
local meta = minetest.get_meta(pos)
|
|
local node = minetest.get_node(pos)
|
|
local text = minetest.registered_nodes[node.name].description..
|
|
"\n"..(isOn and "Running" or "Stopped")
|
|
meta:set_string("infotext", text)
|
|
end
|