VoxeLibre/mods/PLAYER/mcl_gamemode/init.lua

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---@diagnostic disable lowercase-global
local S = minetest.get_translator("mcl_gamemode")
mcl_gamemode = {}
mcl_gamemode.gamemodes = {
"survival",
"creative",
}
---@param n any
---@param h table
---@return boolean
local function in_table(n, h)
for k, v in pairs(h) do
if v == n then return true end
end
return false
end
---@type fun(player: ObjectRef, old_gamemode: '"survival"'|'"creative"', new_gamemode: '"survival"'|'"creative"')[]
mcl_gamemode.registered_on_gamemode_change = {}
---@param func fun(player: ObjectRef, old_gamemode: '"survival"'|'"creative"', new_gamemode: '"survival"'|'"creative"')
function mcl_gamemode.register_on_gamemode_change(func)
table.insert(mcl_gamemode.registered_on_gamemode_change, func)
end
---@param player ObjectRef
---@param gamemode '"survival"'|'"creative"'
function mcl_gamemode.set_gamemode(player, gamemode)
local meta = player:get_meta()
local old_gamemode = meta:get_string("gamemode")
meta:set_string("gamemode", gamemode)
for _, f in ipairs(mcl_gamemode.registered_on_gamemode_change) do
f(player, old_gamemode, gamemode)
end
end
local mt_is_creative_enabled = minetest.is_creative_enabled
---@param player ObjectRef
---@return '"survival"'|'"creative"'
function mcl_gamemode.get_gamemode(player)
if mt_is_creative_enabled(player:get_player_name()) then
return "creative"
end
return player:get_meta():get_string("gamemode")
end
function minetest.is_creative_enabled(name)
if mt_is_creative_enabled(name) then return true end
if not name then return false end
local p = minetest.get_player_by_name(name)
if p then
return p:get_meta():get_string("gamemode") == "creative"
end
return false
end
-- Insta "digging" nodes in gamemode-creative
minetest.register_on_punchnode(function(pos, node, puncher, pointed_thing)
if not puncher or not puncher:is_player() then return end
if minetest.is_creative_enabled() then return end
local name = puncher:get_player_name()
if not minetest.is_creative_enabled(name) then return end
if pointed_thing.type ~= "node" then return end
local def = minetest.registered_nodes[node.name]
if def then
if def.on_destruct then def.on_destruct(pos) end
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minetest.node_dig(pos, node, puncher)
return true
end
end)
-- Don't subtract from inv when placing in gamemode-creative
minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack, pointed_thing)
if placer and placer:is_player() and minetest.is_creative_enabled(placer:get_player_name()) then return true end
end)
minetest.register_chatcommand("gamemode", {
params = S("[<gamemode>] [<player>]"),
description = S("Change gamemode (survival/creative) for yourself or player"),
privs = { server = true },
func = function(n, param)
-- Full input validation ( just for @erlehmann <3 )
local p = minetest.get_player_by_name(n)
local args = param:split(" ")
if args[2] ~= nil then
p = minetest.get_player_by_name(args[2])
end
if not p then
return false, S("Player not online")
end
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if args[1] ~= nil and not in_table(args[1], mcl_gamemode.gamemodes) then
return false, S("Gamemode " .. args[1] .. " does not exist.")
elseif args[1] ~= nil then
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mcl_gamemode.set_gamemode(p, args[1])
end
--Result message - show effective game mode
local gm = p:get_meta():get_string("gamemode")
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if gm == "" then gm = mcl_gamemode.gamemodes[1] end
return true, S("Gamemode for player ") .. n .. S(": " .. gm)
end
})