luanti/games/devtest/mods/util_commands/init.lua

minetest.register_chatcommand("hotbar", {
	params = "<size>",
	description = "Set hotbar size",
	func = function(name, param)
		local player = minetest.get_player_by_name(name)
		if not player then
			return false, "No player."
		end
		local size = tonumber(param)
		if not size then
			return false, "Missing or incorrect size parameter!"
		end
		local ok = player:hud_set_hotbar_itemcount(size)
		if ok then
			return true
		else
			return false, "Invalid item count!"
		end
	end,
})

minetest.register_chatcommand("hp", {
	params = "<hp>",
	description = "Set your health",
	func = function(name, param)
		local player = minetest.get_player_by_name(name)
		if not player then
			return false, "No player."
		end
		local hp = tonumber(param)
		if not hp then
			return false, "Missing or incorrect hp parameter!"
		end
		player:set_hp(hp)
		return true
	end,
})

minetest.register_chatcommand("zoom", {
	params = "[<zoom_fov>]",
	description = "Set or display your zoom_fov",
	func = function(name, param)
		local player = minetest.get_player_by_name(name)
		if not player then
			return false, "No player."
		end
		if param == "" then
			local fov = player:get_properties().zoom_fov
			return true, "zoom_fov = "..tostring(fov)
		end
		local fov = tonumber(param)
		if not fov then
			return false, "Missing or incorrect zoom_fov parameter!"
		end
		player:set_properties({zoom_fov = fov})
		fov = player:get_properties().zoom_fov
		return true, "zoom_fov = "..tostring(fov)
	end,
})



local s_infplace = minetest.settings:get("devtest_infplace")
if s_infplace == "true" then
	infplace = true
elseif s_infplace == "false" then
	infplace = false
else
	infplace = minetest.is_creative_enabled("")
end

minetest.register_chatcommand("infplace", {
	params = "",
	description = "Toggle infinite node placement",
	func = function(name, param)
		infplace = not infplace
		if infplace then
			minetest.chat_send_all("Infinite node placement enabled!")
			minetest.log("action", "Infinite node placement enabled")
		else
			minetest.chat_send_all("Infinite node placement disabled!")
			minetest.log("action", "Infinite node placement disabled")
		end
		return true
	end,
})

minetest.register_chatcommand("detach", {
	params = "[<radius>]",
	description = "Detach all objects nearby",
	func = function(name, param)
		local radius = tonumber(param)
		if type(radius) ~= "number" then
			radius = 8
		end
		if radius < 1 then
			radius = 1
		end
		local player = minetest.get_player_by_name(name)
		if not player then
			return false, "No player."
		end
		local objs = minetest.get_objects_inside_radius(player:get_pos(), radius)
		local num = 0
		for o=1, #objs do
			if objs[o]:get_attach() then
				objs[o]:set_detach()
				num = num + 1
			end
		end
		return true, string.format("%d object(s) detached.", num)
	end,
})


-- Unlimited node placement
minetest.register_on_placenode(function(pos, newnode, placer, oldnode, itemstack)
	if placer and placer:is_player() then
		return infplace
	end
end)

-- Don't pick up if the item is already in the inventory
local old_handle_node_drops = minetest.handle_node_drops
function minetest.handle_node_drops(pos, drops, digger)
	if not digger or not digger:is_player() or not infplace then
		return old_handle_node_drops(pos, drops, digger)
	end
	local inv = digger:get_inventory()
	if inv then
		for _, item in ipairs(drops) do
			if not inv:contains_item("main", item, true) then
				inv:add_item("main", item)
			end
		end
	end
end