init

debugging.lua

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+
+
+--[[ Misusing JD markers :)
+			jumpdrive.show_marker(pos,0,"red")
+			jumpdrive.show_marker(sw_pos,0,"blue")
+			print(string.format("Overload at %s, switch: %s old network: %.30g new network: %.30g",
+				minetest.pos_to_string(pos), minetest.pos_to_string(sw_pos),
+				net_id_old, net_id_new
+			))
+
+]]--- DEBUG HUD
+
+local HUDS = {}
+function DEBUGHUD(player, text)player:hud_change(HUDS[player:get_player_name()], "text", text or "")end
+minetest.register_on_leaveplayer(function(player)HUDS[player:get_player_name()]=nil end)
+minetest.register_on_joinplayer(function(player)
+	if HUDS[player:get_player_name()] then return end
+	HUDS[player:get_player_name()] = player:hud_add({
+		hud_elem_type = "text",
+		position  = {x = 0.5, y = 0.6},
+		offset    = {x = 0, y = 0},
+		text      = "DEBUG HUD",
+		alignment = 0,
+		scale     = { x = 300, y = 90},
+		size      = { x = 100, y = 100},
+		number    = 0xFF3030,
+	})
+end)
+DEBUGHUD_CALLBACK = function(player, pos) DEBUGHUD(player, pos and minetest.get_node(pos).name or "") end
+minetest.register_globalstep(function()
+	for _,player in pairs(minetest.get_connected_players()) do
+		local eye = vector.add(player:get_pos(), {x=0,y=player:get_properties().eye_height,z=0}) -- player:get_eye_offset()
+		local look = vector.multiply(player:get_look_dir(), 4)
+		ray = Raycast(eye, vector.add(eye, look), false, false)
+		local thing = ray:next()
+		while thing and thing.ref == player do thing = ray:next() end
+		local pos = nil
+		if thing and thing.under and thing.type == "node" then
+			local under = minetest.get_node_or_nil(thing.under)
+			if under and under.name ~= "air" then
+				pos = thing.under
+			end
+		end
+		DEBUGHUD_CALLBACK(player, pos)
+	end
+end)
+
+--[[ TIMING
+
+local t
+local n
+function t1(name)
+	n = name
+	t = minetest.get_us_time()
+end
+
+function t2()
+	local d = minetest.get_us_time() - t
+	print(string.format("Timeit %s Took: %dus", n, d))
+	return d
+end ]]--
+
+-- BASE 36 ENCODING
+
+local alpha = {0,1,2,3,4,5,6,7,8,9,"A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"}
+function base36(num)
+	if num < 36 then return alpha[num + 1] end
+	local result = ""
+	while num ~= 0 do
+		result = alpha[(num % 36) + 1] .. result
+		num = math.floor(num / 36)
+	end
+	return result
+end

init.lua

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+local modpath = minetest.get_modpath('debugging')
+
+dofile(modpath .. '/debugging.lua')
+
+print('[OK] Debugging loaded')

mod.conf

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+name=debugging
+description=Provides debugging tools
+depends=default