cs_waypoints/init.lua

177 lines
4.6 KiB
Lua

local mod_name = minetest.get_current_modname()
local function log(level, message)
minetest.log(level, ('[%s] %s'):format(mod_name, message))
end
log('action', 'CSM loading...')
local mod_storage = minetest.get_mod_storage()
local function load_waypoints()
if string.find(mod_storage:get_string('waypoints'), 'return') then
return minetest.deserialize(mod_storage:get_string('waypoints'))
else
return {}
end
end
local waypoints = load_waypoints()
local function safe(func)
-- wrap a function w/ logic to avoid crashing the game
local f = function(...)
local status, out = pcall(func, ...)
if status then
return out
else
log('warning', 'Error (func): ' .. out)
return nil
end
end
return f
end
local function round(x)
-- approved by kahan
-- if x % 2 ~= 0.5 then
return math.floor(x+0.5)
-- else
-- return x - 0.5
-- end
end
local function pairsByKeys(t, f)
local a = {}
for n in pairs(t) do
table.insert(a, n)
end
table.sort(a, f)
local i = 0
return function()
i = i + 1
if a[i] == nil then
return nil
else
return a[i], t[a[i]]
end
end
end
local function lc_cmp(a, b)
return a:lower() < b:lower()
end
local function tostring_point(point)
return ('%i %i.5 %i'):format(round(point.x), round(point.y), round(point.z))
end
minetest.register_chatcommand('wp_set', {
params = '<name>',
description = 'set a waypoint',
func = safe(function(param)
waypoints = load_waypoints()
local point = minetest.localplayer:get_pos()
waypoints[param] = point
mod_storage:set_string('waypoints', minetest.serialize(waypoints))
minetest.display_chat_message(
('set waypoint "%s" to "%s"'):format(param, tostring_point(point))
)
end),
})
minetest.register_chatcommand('wp_unset', {
params = '<name>',
description = 'remove a waypoint',
func = safe(function(param)
waypoints = load_waypoints()
waypoints[param] = nil
mod_storage:set_string('waypoints', minetest.serialize(waypoints))
minetest.display_chat_message(
('removed waypoint "%s"'):format(param)
)
end),
})
minetest.register_chatcommand('wp_list', {
params = '',
description = 'lists waypoints',
func = safe(function(_)
for name, point in pairsByKeys(waypoints, lc_cmp) do
minetest.display_chat_message(
('%s -> %s'):format(name, tostring_point(point))
)
end
end),
})
minetest.register_chatcommand('tw', {
params = '(<playernamename>) <waypoint>',
description = 'teleport (a player) to a waypoint',
func = safe(function(param)
-- local playername, wpname = string.match(param, '^(%S+)%s+(%S+)$')
-- if playername and wpname then
-- local waypoint = waypoints[wpname]
-- if waypoint ~= nil then
-- local args = ('%s %s'):format(playername, tostring_point(waypoint))
-- minetest.run_server_chatcommand('teleport', args)
-- else
-- minetest.display_chat_message(('waypoint "%s" not found.'):format(wpname))
-- end
-- else
local wpname = param
local waypoint = waypoints[wpname]
if waypoint ~= nil then
minetest.run_server_chatcommand('teleport', tostring_point(waypoint))
else
minetest.display_chat_message(('waypoint "%s" not found.'):format(wpname))
end
-- end
end),
})
--
-- 2019-07-11 Och_Noe disabled
-- random teleporting is too dangerous
--
-- minetest.register_chatcommand('tr', {
-- params = '<ELEV> | <PLAYER> | <PLAYER> <ELEV>',
-- description = '/teleport (a player) to a random location',
-- func = safe(function(param)
-- local x = math.random(-30912, 30927)
-- local y = math.random(-30912, 30927)
-- local z = math.random(-30912, 30927)
-- local name = ''
--
-- if string.match(param, '^([%a%d_-]+) (%d+)$') ~= nil then
-- name, y = string.match(param, "^([%a%d_-]+) (%d+)$")
--
-- elseif string.match(param, '^([%d-]+)$') then
-- y = string.match(param, '^([%d-]+)$')
--
-- elseif string.match(param, '^([%a%d_-]+)$') ~= nil then
-- name = string.match(param, '^([%a%d_-]+)$')
-- end
--
-- local args = ('%s %s %s %s'):format(name, x, y, z)
-- minetest.run_server_chatcommand('teleport', args)
-- end),
-- })