120 lines
3.7 KiB
Lua
120 lines
3.7 KiB
Lua
mcl_compass = {}
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local compass_frames = 32
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local default_spawn_settings = minetest.settings:get("static_spawnpoint")
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-- Timer for random compass spinning
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local random_timer = 0
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local random_timer_trigger = 0.5 -- random compass spinning tick in seconds. Increase if there are performance problems
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local random_frame = math.random(0, compass_frames-1)
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minetest.register_globalstep(function(dtime)
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random_timer = random_timer + dtime
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local players = minetest.get_connected_players()
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if random_timer >= random_timer_trigger then
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random_frame = (random_frame + math.random(-1, 1)) % compass_frames
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random_timer = 0
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end
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for i,player in ipairs(players) do
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local function has_compass(player)
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for _,stack in ipairs(player:get_inventory():get_list("main")) do
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if minetest.get_item_group(stack:get_name(), "compass") ~= 0 then
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return true
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end
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end
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return false
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end
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if has_compass(player) then
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local pos = player:getpos()
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local _, dim = mcl_util.y_to_layer(pos.y)
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local compass_image
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-- Compasses do not work in certain zones
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if not mcl_util.compass_works(pos) then
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compass_image = random_frame
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else
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local spawn = {x=0,y=0,z=0}
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local s = minetest.settings:get("static_spawnpoint")
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if s then
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local numbers = string.split(s, ",")
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spawn.x = tonumber(numbers[1])
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spawn.y = tonumber(numbers[2])
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spawn.z = tonumber(numbers[3])
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if type(spawn.x) ~= "number" and type(spawn.y) ~= "number" and type(spawn.z) ~= "number" then
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spawn = {x=0,y=0,z=0}
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end
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end
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local dir = player:get_look_horizontal()
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local angle_north = math.deg(math.atan2(spawn.x - pos.x, spawn.z - pos.z))
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if angle_north < 0 then angle_north = angle_north + 360 end
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local angle_dir = -math.deg(dir)
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local angle_relative = (angle_north - angle_dir + 180) % 360
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compass_image = math.floor((angle_relative/11.25) + 0.5) % compass_frames
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end
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for j,stack in ipairs(player:get_inventory():get_list("main")) do
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if minetest.get_item_group(stack:get_name(), "compass") ~= 0 and
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minetest.get_item_group(stack:get_name(), "compass")-1 ~= compass_image then
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local count = stack:get_count()
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player:get_inventory():set_stack("main", j, ItemStack("mcl_compass:"..compass_image.." "..count))
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end
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end
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end
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end
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end)
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local images = {}
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for frame = 0, compass_frames-1 do
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local s = string.format("%02d", frame)
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table.insert(images, "mcl_compass_compass_"..s..".png")
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end
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local doc_mod = minetest.get_modpath("doc") ~= nil
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local stereotype_frame = 18
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for i,img in ipairs(images) do
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local inv = 1
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if i == stereotype_frame then
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inv = 0
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end
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local use_doc, longdesc, usagehelp
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use_doc = i == stereotype_frame
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if use_doc then
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longdesc = "Compasses are tools which point to the world origin (X=0, Z=0) or the spawn point in the Overworld."
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end
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local itemstring = "mcl_compass:"..(i-1)
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minetest.register_craftitem(itemstring, {
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description = "Compass",
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_doc_items_create_entry = use_doc,
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_doc_items_longdesc = longdesc,
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_doc_items_usagehelp = usagehelp,
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inventory_image = img,
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wield_image = img,
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stack_max = 64,
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groups = {not_in_creative_inventory=inv, compass=i, tool=1}
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})
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-- Help aliases. Makes sure the lookup tool works correctly
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if not use_doc and doc_mod then
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doc.add_entry_alias("craftitems", "mcl_compass:"..(stereotype_frame-1), "craftitems", itemstring)
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end
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end
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minetest.register_craft({
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output = 'mcl_compass:'..stereotype_frame,
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recipe = {
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{'', 'mcl_core:iron_ingot', ''},
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{'mcl_core:iron_ingot', 'mesecons:redstone', 'mcl_core:iron_ingot'},
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{'', 'mcl_core:iron_ingot', ''}
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}
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})
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minetest.register_alias("mcl_compass:compass", "mcl_compass:"..stereotype_frame)
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-- Export stereotype item for other mods to use
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mcl_compass.stereotype = "mcl_compass:"..tostring(stereotype_frame)
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