games/devtest/mods/testnodes/textures/testnodes_attachedw_bottom.png

minetest.register_chatcommand("test_inv", {
	params = "",
	description = "Test: Modify player's inventory formspec",
	func = function(name, param)
		local player = minetest.get_player_by_name(name)
		if not player then
			return false, "No player."
		end
		player:set_inventory_formspec(
			"size[13,7.5]"..
			"image[6,0.6;1,2;player.png]"..
			"list[current_player;main;5,3.5;8,4;]"..
			"list[current_player;craft;8,0;3,3;]"..
			"list[current_player;craftpreview;12,1;1,1;]"..
			"list[detached:test_inventory;main;0,0;4,6;0]"..
			"button[0.5,7;2,1;button1;Button 1]"..
			"button_exit[2.5,7;2,1;button2;Exit Button]")
		return true, "Done."
	end,
})

minetest.register_chatcommand("test_bulk_set_node", {
	params = "",
	description = "Test: Bulk-set 9×9×9 stone nodes",
	func = function(name, param)
		local player = minetest.get_player_by_name(name)
		if not player then
			return false, "No player."
		end
		local pos_list = {}
		local ppos = player:get_pos()
		local i = 1
		for x=2,10 do
			for y=2,10 do
				for z=2,10 do
					pos_list[i] = {x=ppos.x + x,y = ppos.y + y,z = ppos.z + z}
					i = i + 1
				end
			end
		end
		minetest.bulk_set_node(pos_list, {name = "mapgen_stone"})
		return true, "Done."
	end,
})

minetest.register_chatcommand("bench_bulk_set_node", {
	params = "",
	description = "Benchmark: Bulk-set 99×99×99 stone nodes",
	func = function(name, param)
		local player = minetest.get_player_by_name(name)
		if not player then
			return false, "No player."
		end
		local pos_list = {}
		local ppos = player:get_pos()
		local i = 1
		for x=2,100 do
			for y=2,100 do
				for z=2,100 do
					pos_list[i] = {x=ppos.x + x,y = ppos.y + y,z = ppos.z + z}
					i = i + 1
				end
			end
		end

		minetest.chat_send_player(name, "Benchmarking minetest.bulk_set_node. Warming up ...");

		-- warm up with stone to prevent having different callbacks
		-- due to different node topology
		minetest.bulk_set_node(pos_list, {name = "mapgen_stone"})

		minetest.chat_send_player(name, "Warming up finished, now benchmarking ...");

		local start_time = minetest.get_us_time()
		for i=1,#pos_list do
			minetest.set_node(pos_list[i], {name = "mapgen_stone"})
		end
		local middle_time = minetest.get_us_time()
		minetest.bulk_set_node(pos_list, {name = "mapgen_stone"})
		local end_time = minetest.get_us_time()
		local msg = string.format("Benchmark results: minetest.set_node loop: %.2f ms; minetest.bulk_set_node: %.2f ms",
			((middle_time - start_time)) / 1000,
			((end_time - middle_time)) / 1000
		)
		return true, msg
	end,
})

local function advance_pos(pos, start_pos, advance_z)
	if advance_z then
		pos.z = pos.z + 2
		pos.x = start_pos.x
	else
		pos.x = pos.x + 2
	end
	if pos.x > 30900 or pos.x - start_pos.x > 46 then
		pos.x = start_pos.x
		pos.z = pos.z + 2
	end
	if pos.z > 30900 then
		-- We ran out of space! Aborting
		aborted = true
		return false
	end
	return pos
end

local function place_nodes(param)
	local nodes = param.nodes
	local name = param.name
	local pos = param.pos
	local start_pos = param.start_pos
	table.sort(nodes)
	minetest.chat_send_player(name, "Placing nodes …")
	local nodes_placed = 0
	local aborted = false
	for n=1, #nodes do
		local itemstring = nodes[n]
		local def = minetest.registered_nodes[itemstring]
		local p2_max = 0
		if param.param ~= "no_param2" then
			-- Also test the param2 values of the nodes
			-- ... but we only use permissible param2 values
			if def.paramtype2 == "wallmounted" then
				p2_max = 5
			elseif def.paramtype2 == "facedir" then
				p2_max = 23
			elseif def.paramtype2 == "glasslikeliquidlevel" then
				p2_max = 63
			elseif def.paramtype2 == "meshoptions" and def.drawtype == "plantlike" then
				p2_max = 63
			elseif def.paramtype2 == "leveled" then
				p2_max = 127
ofs	hex dump	ascii
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0020	f2 00 00 00 0c 50 4c 54 45 c2 8f df 59 41 66 99 70 af 85 62 99 ff 80 7d bc 00 00 00 31 49 44 41	.....PLTE...YAf.p..b...}....1IDA
0040	54 78 01 63 10 04 02 06 17 20 80 b0 dc 56 ad 6a 61 3a c3 c0 c0 cb e0 f6 6a 35 8c b5 fb 1d 84 c5	Tx.c.........V.ja:......j5......
0060	64 f2 f9 cc 67 30 0b a1 0e a1 17 cc 02 00 20 98 14 3a 1f c2 ee ec 00 00 00 00 49 45 4e 44 ae 42	d...g0...........:........IEND.B
0080	60 82	`.