mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-23 10:27:25 +02:00
292 lines
10 KiB
Lua
292 lines
10 KiB
Lua
local S = minetest.get_translator(minetest.get_current_modname())
|
|
|
|
mcl_compass = {}
|
|
|
|
local compass_types = {
|
|
{
|
|
name = "compass",
|
|
desc = S("Compass"),
|
|
tt = S("Points to the world origin"),
|
|
longdesc = S("Compasses are tools which point to the world origin (X=0, Z=0) or the spawn point in the Overworld."),
|
|
usagehelp = S("A Compass always points to the world spawn point when the player is in the overworld. In other dimensions, it spins randomly."),
|
|
},
|
|
{
|
|
name = "compass_lodestone",
|
|
desc = S("Lodestone Compass"),
|
|
tt = S("Points to a lodestone"),
|
|
longdesc = S("Lodestone compasses resemble regular compasses, but they point to a specific lodestone."),
|
|
usagehelp = S("A Lodestone compass can be made from an ordinary compass by using it on a lodestone. After becoming a lodestone compass, it always points to its linked lodestone, provided that they are in the same dimension. If not in the same dimension, the lodestone compass spins randomly, similarly to a regular compass when outside the overworld. A lodestone compass can be relinked with another lodestone."),
|
|
}
|
|
}
|
|
|
|
-- Number of dynamic compass images (and items registered.)
|
|
local compass_frames = 32
|
|
|
|
-- The image/item that is craftable and shown in inventories.
|
|
local stereotype_frame = 18
|
|
|
|
-- random compass spinning tick in seconds.
|
|
-- Increase if there are performance problems.
|
|
local spin_timer_tick = 0.5
|
|
|
|
-- Local aliases to globals for better lua performance
|
|
local m_deg = math.deg
|
|
local m_atan2 = math.atan2
|
|
local m_floor = math.floor
|
|
local m_rnd = math.random
|
|
local vec_new = vector.new
|
|
local string_find = string.find
|
|
local string_to_pos = minetest.string_to_pos
|
|
local get_connected_players = minetest.get_connected_players
|
|
local get_item_group = minetest.get_item_group
|
|
local setting_get_pos = minetest.setting_get_pos
|
|
local compass_works = mcl_worlds.compass_works
|
|
local y_to_layer = mcl_worlds.y_to_layer
|
|
|
|
-- Initialize random compass frame for spinning compass. It is updated in
|
|
-- the compass globalstep function.
|
|
local random_frame = m_rnd(0, compass_frames-1)
|
|
|
|
local function get_far_node(pos, itemstack) --code from minetest dev wiki: https://dev.minetest.net/minetest.get_node, some edits have been made to add a cooldown for force loads
|
|
local node = minetest.get_node(pos)
|
|
if node.name == "ignore" then
|
|
local tstamp = tonumber(itemstack:get_meta():get_string("last_forceload"))
|
|
if tstamp == nil then --this is only relevant for new lodestone compasses, the ones that have never performes a forceload yet
|
|
itemstack:get_meta():set_string("last_forceload", tostring(os.time(os.date("!*t"))))
|
|
tstamp = tonumber(os.time(os.date("!*t")))
|
|
end
|
|
if tonumber(os.time(os.date("!*t"))) - tstamp > 180 then --current time in secounds - old time in secounds, if it is over 180 (3 mins): forceload
|
|
itemstack:get_meta():set_string("last_forceload", tostring(os.time(os.date("!*t"))))
|
|
minetest.get_voxel_manip():read_from_map(pos, pos)
|
|
node = minetest.get_node(pos)
|
|
else
|
|
node = {name="mcl_compass:lodestone"} --cooldown not over yet, pretend like there is something...
|
|
end
|
|
end
|
|
return node
|
|
end
|
|
|
|
--- Get compass needle angle.
|
|
-- Returns the angle that the compass needle should point at expressed in
|
|
-- 360 degrees divided by the number of possible compass image frames..
|
|
--
|
|
-- pos: position of the compass;
|
|
-- target: position that the needle points towards;
|
|
-- dir: rotational direction of the compass.
|
|
--
|
|
local function get_compass_angle(pos, target, dir)
|
|
local angle_north = m_deg(m_atan2(target.x - pos.x, target.z - pos.z))
|
|
if angle_north < 0 then angle_north = angle_north + 360 end
|
|
local angle_dir = -m_deg(dir)
|
|
local angle_relative = (angle_north - angle_dir + 180) % 360
|
|
return m_floor((angle_relative/11.25) + 0.5) % compass_frames
|
|
end
|
|
|
|
--- Get compass image frame.
|
|
-- Returns the compass image frame with the needle direction matching the
|
|
-- compass' current position.
|
|
--
|
|
-- pos: position of the compass;
|
|
-- dir: rotational direction of the compass.
|
|
-- itemstack: the compass including its optional lodestone metadata.
|
|
--
|
|
local function get_compass_frame(pos, dir, itemstack)
|
|
if not string_find(itemstack:get_name(), "_lodestone") then -- normal compass
|
|
-- Compasses only work in the overworld
|
|
if compass_works(pos) then
|
|
local spawn_pos = setting_get_pos("static_spawnpoint")
|
|
or vec_new(0, 0, 0)
|
|
return get_compass_angle(pos, spawn_pos, dir)
|
|
else
|
|
return random_frame
|
|
end
|
|
else -- lodestone compass
|
|
local lpos_str = itemstack:get_meta():get_string("pointsto")
|
|
local lpos = string_to_pos(lpos_str)
|
|
if not lpos then
|
|
minetest.log("warning", "mcl_compass: invalid lodestone position!")
|
|
return random_frame
|
|
end
|
|
local _, l_dim = y_to_layer(lpos.y)
|
|
local _, p_dim = y_to_layer(pos.y)
|
|
-- compass and lodestone must be in the same dimension
|
|
if l_dim == p_dim then
|
|
--check if lodestone still exists
|
|
if get_far_node(lpos, itemstack).name == "mcl_compass:lodestone" then
|
|
return get_compass_angle(pos, lpos, dir)
|
|
else -- lodestone got destroyed
|
|
return random_frame
|
|
end
|
|
else
|
|
return random_frame
|
|
end
|
|
end
|
|
end
|
|
|
|
-- Export stereotype item for other mods to use
|
|
mcl_compass.stereotype = "mcl_compass:" .. stereotype_frame
|
|
|
|
--- Get partial compass itemname.
|
|
-- Returns partial itemname of a compass with needle direction matching compass position.
|
|
-- Legacy compatibility function for mods using older api.
|
|
--
|
|
function mcl_compass.get_compass_image(pos, dir)
|
|
minetest.log("warning", "mcl_compass: deprecated function " ..
|
|
"get_compass_image() called, use get_compass_itemname().")
|
|
local itemstack = ItemStack(mcl_compass.stereotype)
|
|
return get_compass_frame(pos, dir, itemstack)
|
|
end
|
|
|
|
--- Get compass itemname.
|
|
-- Returns the itemname of a compass with needle direction matching the
|
|
-- current compass position.
|
|
--
|
|
-- pos: position of the compass;
|
|
-- dir: rotational orientation of the compass;
|
|
-- itemstack: the compass including its optional lodestone metadata.
|
|
--
|
|
function mcl_compass.get_compass_itemname(pos, dir, itemstack)
|
|
if not itemstack then
|
|
minetest.log("warning", "mcl_compass.get_compass_image called without itemstack!")
|
|
return "mcl_compass:" .. stereotype_frame
|
|
end
|
|
local frame = get_compass_frame(pos, dir, itemstack)
|
|
if itemstack:get_meta():get_string("pointsto") ~= "" then
|
|
return "mcl_compass:" .. frame .. "_lodestone"
|
|
else
|
|
return "mcl_compass:" .. frame
|
|
end
|
|
end
|
|
|
|
-- Timer for randomly spinning compass.
|
|
-- Gets updated and checked in the globalstep function.
|
|
local spin_timer = 0
|
|
|
|
-- Compass globalstep function.
|
|
-- * updates random spin counter and random frame of spinning compasses;
|
|
-- * updates all compasses in player's inventories to match the correct
|
|
-- needle orientations for their current positions.
|
|
--
|
|
minetest.register_globalstep(function(dtime)
|
|
spin_timer = spin_timer + dtime
|
|
if spin_timer >= spin_timer_tick then
|
|
random_frame = (random_frame + m_rnd(-1, 1)) % compass_frames
|
|
spin_timer = 0
|
|
end
|
|
|
|
local compass_nr, compass_frame
|
|
local pos, dir, inv
|
|
for _, player in pairs(get_connected_players()) do
|
|
pos = player:get_pos()
|
|
dir = player:get_look_horizontal()
|
|
inv = player:get_inventory()
|
|
for j, stack in pairs(inv:get_list("main")) do
|
|
compass_nr = get_item_group(stack:get_name(), "compass")
|
|
if compass_nr ~= 0 then
|
|
-- check if current compass image still matches true orientation
|
|
compass_frame = get_compass_frame(pos, dir, stack)
|
|
if compass_nr - 1 ~= compass_frame then
|
|
|
|
if string_find(stack:get_name(), "_lodestone") then
|
|
stack:set_name("mcl_compass:" .. compass_frame .. "_lodestone")
|
|
awards.unlock(player:get_player_name(), "mcl:countryLode")
|
|
else
|
|
stack:set_name("mcl_compass:" .. compass_frame)
|
|
end
|
|
inv:set_stack("main", j, stack)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end)
|
|
|
|
--
|
|
-- Node and craftitem definitions
|
|
--
|
|
local doc_mod = minetest.get_modpath("doc")
|
|
|
|
for _, item in pairs(compass_types) do
|
|
local name_fmt, img_fmt
|
|
if item.name == "compass" then
|
|
name_fmt = "mcl_compass:%d"
|
|
img_fmt = "mcl_compass_compass_%02d.png"
|
|
elseif item.name == "compass_lodestone" then
|
|
name_fmt = "mcl_compass:%d_lodestone"
|
|
img_fmt = "mcl_compass_compass_%02d.png^[colorize:purple:50"
|
|
end
|
|
for i = 0, compass_frames - 1 do
|
|
local itemstring = string.format(name_fmt, i)
|
|
local def = {
|
|
description = item.desc,
|
|
_tt_help = item.tt,
|
|
inventory_image = string.format(img_fmt, i),
|
|
wield_image = string.format(img_fmt, i),
|
|
groups = {compass = i + 1, tool = 1, disable_repair = 1},
|
|
}
|
|
if i == stereotype_frame then
|
|
def._doc_items_longdesc = item.longdesc
|
|
def._doc_items_usagehelp = item.usagehelp
|
|
if string.match(itemstring, "lodestone") then
|
|
def.groups.not_in_creative_inventory = 1
|
|
end
|
|
else
|
|
def._doc_items_create_entry = false
|
|
def.groups.not_in_creative_inventory = 1
|
|
end
|
|
minetest.register_craftitem(itemstring, table.copy(def))
|
|
|
|
-- Help aliases. Makes sure the lookup tool works correctly
|
|
if doc_mod and i ~= stereotype_frame then
|
|
doc.add_entry_alias("craftitems", "mcl_compass:"..(stereotype_frame), "craftitems", itemstring)
|
|
end
|
|
end
|
|
end
|
|
|
|
minetest.register_craft({
|
|
output = "mcl_compass:" .. stereotype_frame,
|
|
recipe = {
|
|
{"", "mcl_core:iron_ingot", ""},
|
|
{"mcl_core:iron_ingot", "mesecons:redstone", "mcl_core:iron_ingot"},
|
|
{"", "mcl_core:iron_ingot", ""}
|
|
}
|
|
})
|
|
|
|
minetest.register_alias("mcl_compass:compass", "mcl_compass:" .. stereotype_frame)
|
|
|
|
|
|
minetest.register_node("mcl_compass:lodestone",{
|
|
description=S("Lodestone"),
|
|
on_rightclick = function(pos, node, player, itemstack)
|
|
local name = itemstack.get_name(itemstack)
|
|
if string_find(name,"mcl_compass:") then
|
|
if name ~= "mcl_compass:lodestone" then
|
|
itemstack:get_meta():set_string("pointsto", minetest.pos_to_string(pos))
|
|
local dir = player:get_look_horizontal()
|
|
local frame = get_compass_frame(pos, dir, itemstack)
|
|
itemstack:set_name("mcl_compass:" .. frame .. "_lodestone")
|
|
end
|
|
end
|
|
end,
|
|
tiles = {
|
|
"lodestone_top.png",
|
|
"lodestone_bottom.png",
|
|
"lodestone_side1.png",
|
|
"lodestone_side2.png",
|
|
"lodestone_side3.png",
|
|
"lodestone_side4.png"
|
|
},
|
|
groups = {pickaxey=1, material_stone=1},
|
|
_mcl_hardness = 1.5,
|
|
_mcl_blast_resistance = 6,
|
|
sounds = mcl_sounds.node_sound_stone_defaults()
|
|
})
|
|
|
|
minetest.register_craft({
|
|
output = "mcl_compass:lodestone",
|
|
recipe = {
|
|
{"mcl_core:stonebrickcarved","mcl_core:stonebrickcarved","mcl_core:stonebrickcarved"},
|
|
{"mcl_core:stonebrickcarved", "mcl_nether:netherite_ingot", "mcl_core:stonebrickcarved"},
|
|
{"mcl_core:stonebrickcarved", "mcl_core:stonebrickcarved", "mcl_core:stonebrickcarved"}
|
|
}
|
|
})
|