Initial commit

init.lua

@@ -0,0 +1,73 @@
+-- default to static_spawnpoint or 0/0/0
+local default_spawn = minetest.setting_get_pos("static_spawnpoint") or {x=0, y=0, z=0}
+
+-- Get players spawn point (compass target) in order sethome, beds-spawn and static_spawnpoint
+local function get_spawn(player)
+	local playername = player:get_player_name()
+	local spawn
+	if minetest.global_exists("sethome") then
+		spawn = sethome.get(playername)
+	end
+	if not spawn and minetest.global_exists("beds") and beds.spawn then
+		spawn = beds.spawn[playername]
+	end
+	if not spawn then
+		spawn = default_spawn
+	end
+	return spawn
+end
+
+-- get right image number for players compas
+local function get_compass_image(player)
+	local spawn = get_spawn(player)
+	local pos = player:getpos()
+	local dir = player:get_look_yaw()
+	local angle_north = math.deg(math.atan2(spawn.x - pos.x, spawn.z - pos.z))
+	if angle_north < 0 then
+		angle_north = angle_north + 360
+	end
+	local angle_dir = 90 - math.deg(dir)
+	local angle_relative = (angle_north - angle_dir) % 360
+	local compass_image = math.floor((angle_relative/30) + 0.5)%12
+	return compass_image
+end
+
+-- update inventory
+minetest.register_globalstep(function(dtime)
+	for i,player in ipairs(minetest.get_connected_players()) do
+		if player:get_inventory() then
+			for i,stack in ipairs(player:get_inventory():get_list("main")) do
+				if i > 8 then
+					break
+				end
+				if string.sub(stack:get_name(), 0, 8) == "compass:" then
+					player:get_inventory():set_stack("main", i, "compass:"..get_compass_image(player))
+				end
+			end
+		end
+	end
+end)
+
+-- register items
+for i = 0, 11 do
+	local image = "compass_"..i..".png"
+	local groups = {}
+	if i > 0 then
+		groups.not_in_creative_inventory = 1
+	end
+	minetest.register_tool("compass:"..i, {
+		description = "Compass",
+		inventory_image = image,
+		wield_image = image,
+		groups = groups
+	})
+end
+
+minetest.register_craft({
+	output = 'compass:0',
+	recipe = {
+		{'', 'default:steel_ingot', ''},
+		{'default:steel_ingot', 'default:mese_crystal_fragment', 'default:steel_ingot'},
+		{'', 'default:steel_ingot', ''}
+	}
+})