forked from VoxeLibre/VoxeLibre
125 lines
3.9 KiB
Lua
125 lines
3.9 KiB
Lua
local S = minetest.get_translator(minetest.get_current_modname())
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mcl_compass = {}
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local compass_frames = 32
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--Not sure spawn point should be dymanic (is it in mc?)
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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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function mcl_compass.get_compass_image(pos, dir)
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-- Compasses do not work in certain zones
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if mcl_worlds.compass_works(pos) then
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local spawn = {x=0,y=0,z=0}
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local ssp = minetest.setting_get_pos("static_spawnpoint")
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if ssp then
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spawn = ssp
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if type(spawn) ~= "table" or type(spawn.x) ~= "number" or type(spawn.y) ~= "number" or 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 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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return math.floor((angle_relative/11.25) + 0.5) % compass_frames
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else
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return random_frame
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end
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end
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minetest.register_globalstep(function(dtime)
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random_timer = random_timer + dtime
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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 pairs(minetest.get_connected_players()) do
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local function has_compass(player)
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for _,stack in pairs(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:get_pos()
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local compass_image = mcl_compass.get_compass_image(pos, player:get_look_horizontal())
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for j,stack in pairs(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 itemname = "mcl_compass:"..compass_image
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stack:set_name(itemname)
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player:get_inventory():set_stack("main", j, stack)
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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")
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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, tt
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--Why is there no usage help? This should be fixed.
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--local usagehelp
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use_doc = i == stereotype_frame
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if use_doc then
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tt = S("Points to the world origin")
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longdesc = S("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 = S("Compass"),
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_tt_help = tt,
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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, disable_repair=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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