mirror of
https://git.minetest.land/VoxeLibre/VoxeLibre.git
synced 2024-08-28 20:38:12 +02:00
175 lines
6.3 KiB
Lua
175 lines
6.3 KiB
Lua
mcl_worlds = {}
|
|
|
|
local get_connected_players = minetest.get_connected_players
|
|
|
|
-- For a given position, returns a 2-tuple:
|
|
-- 1st return value: true if pos is in void
|
|
-- 2nd return value: true if it is in the deadly part of the void
|
|
function mcl_worlds.is_in_void(pos)
|
|
local void =
|
|
not ((pos.y < mcl_vars.mg_overworld_max and pos.y > mcl_vars.mg_overworld_min) or
|
|
(pos.y < mcl_vars.mg_nether_max+128 and pos.y > mcl_vars.mg_nether_min) or
|
|
(pos.y < mcl_vars.mg_end_max and pos.y > mcl_vars.mg_end_min))
|
|
|
|
local void_deadly = false
|
|
local deadly_tolerance = 64 -- the player must be this many nodes “deep” into the void to be damaged
|
|
if void then
|
|
-- Overworld → Void → End → Void → Nether → Void
|
|
if pos.y < mcl_vars.mg_overworld_min and pos.y > mcl_vars.mg_end_max then
|
|
void_deadly = pos.y < mcl_vars.mg_overworld_min - deadly_tolerance
|
|
elseif pos.y < mcl_vars.mg_end_min and pos.y > mcl_vars.mg_nether_max+128 then
|
|
-- The void between End and Nether. Like usual, but here, the void
|
|
-- *above* the Nether also has a small tolerance area, so player
|
|
-- can fly above the Nether without getting hurt instantly.
|
|
void_deadly = (pos.y < mcl_vars.mg_end_min - deadly_tolerance) and (pos.y > mcl_vars.mg_nether_max+128 + deadly_tolerance)
|
|
elseif pos.y < mcl_vars.mg_nether_min then
|
|
void_deadly = pos.y < mcl_vars.mg_nether_min - deadly_tolerance
|
|
end
|
|
end
|
|
return void, void_deadly
|
|
end
|
|
|
|
-- Takes an Y coordinate as input and returns:
|
|
-- 1) The corresponding Minecraft layer (can be nil if void)
|
|
-- 2) The corresponding Minecraft dimension ("overworld", "nether" or "end") or "void" if it is in the void
|
|
-- If the Y coordinate is not located in any dimension, it will return:
|
|
-- nil, "void"
|
|
function mcl_worlds.y_to_layer(y)
|
|
if y >= mcl_vars.mg_overworld_min then
|
|
return y - mcl_vars.mg_overworld_min, "overworld"
|
|
elseif y >= mcl_vars.mg_nether_min and y <= mcl_vars.mg_nether_max+128 then
|
|
return y - mcl_vars.mg_nether_min, "nether"
|
|
elseif y >= mcl_vars.mg_end_min and y <= mcl_vars.mg_end_max then
|
|
return y - mcl_vars.mg_end_min, "end"
|
|
else
|
|
return nil, "void"
|
|
end
|
|
end
|
|
|
|
local y_to_layer = mcl_worlds.y_to_layer
|
|
|
|
-- Takes a pos and returns the dimension it belongs to (same as above)
|
|
function mcl_worlds.pos_to_dimension(pos)
|
|
local _, dim = y_to_layer(pos.y)
|
|
return dim
|
|
end
|
|
|
|
local pos_to_dimension = mcl_worlds.pos_to_dimension
|
|
|
|
-- Takes a Minecraft layer and a “dimension” name
|
|
-- and returns the corresponding Y coordinate for
|
|
-- VoxeLibre
|
|
-- mc_dimension is one of "overworld", "nether", "end" (default: "overworld").
|
|
function mcl_worlds.layer_to_y(layer, mc_dimension)
|
|
if mc_dimension == "overworld" or mc_dimension == nil then
|
|
return layer + mcl_vars.mg_overworld_min
|
|
elseif mc_dimension == "nether" then
|
|
return layer + mcl_vars.mg_nether_min
|
|
elseif mc_dimension == "end" then
|
|
return layer + mcl_vars.mg_end_min
|
|
end
|
|
end
|
|
|
|
-- Takes a position and returns true if this position can have weather
|
|
function mcl_worlds.has_weather(pos)
|
|
-- Weather in the Overworld and the high part of the void below
|
|
return pos.y <= mcl_vars.mg_overworld_max and pos.y >= mcl_vars.mg_overworld_min - 64
|
|
end
|
|
|
|
-- Takes a position and returns true if this position can have Nether dust
|
|
function mcl_worlds.has_dust(pos)
|
|
-- Weather in the Overworld and the high part of the void below
|
|
return pos.y <= mcl_vars.mg_nether_max + 138 and pos.y >= mcl_vars.mg_nether_min - 10
|
|
end
|
|
|
|
-- Takes a position (pos) and returns true if compasses are working here
|
|
function mcl_worlds.compass_works(pos)
|
|
-- It doesn't work in Nether and the End, but it works in the Overworld and in the high part of the void below
|
|
local _, dim = mcl_worlds.y_to_layer(pos.y)
|
|
if dim == "nether" or dim == "end" then
|
|
return false
|
|
elseif dim == "void" then
|
|
return pos.y <= mcl_vars.mg_overworld_max and pos.y >= mcl_vars.mg_overworld_min - 64
|
|
else
|
|
return true
|
|
end
|
|
end
|
|
|
|
-- Takes a position (pos) and returns true if clocks are working here
|
|
mcl_worlds.clock_works = mcl_worlds.compass_works
|
|
|
|
--------------- CALLBACKS ------------------
|
|
mcl_worlds.registered_on_dimension_change = {}
|
|
|
|
-- Register a callback function func(player, dimension).
|
|
-- It will be called whenever a player changes between dimensions.
|
|
-- The void counts as dimension.
|
|
-- * player: The player who changed the dimension
|
|
-- * dimension: The new dimension of the player ("overworld", "nether", "end", "void").
|
|
function mcl_worlds.register_on_dimension_change(func)
|
|
table.insert(mcl_worlds.registered_on_dimension_change, func)
|
|
end
|
|
|
|
-- Playername-indexed table containig the name of the last known dimension the
|
|
-- player was in.
|
|
local last_dimension = {}
|
|
|
|
-- Notifies this mod about a dimension change of a player.
|
|
-- * player: Player who changed the dimension
|
|
-- * dimension: New dimension ("overworld", "nether", "end", "void")
|
|
function mcl_worlds.dimension_change(player, dimension)
|
|
local playername = player:get_player_name()
|
|
for i=1, #mcl_worlds.registered_on_dimension_change do
|
|
mcl_worlds.registered_on_dimension_change[i](player, dimension, last_dimension[playername])
|
|
end
|
|
last_dimension[playername] = dimension
|
|
end
|
|
|
|
local dimension_change = mcl_worlds.dimension_change
|
|
|
|
----------------------- INTERNAL STUFF ----------------------
|
|
|
|
-- Update the dimension callbacks every DIM_UPDATE seconds
|
|
local DIM_UPDATE = 1
|
|
local dimtimer = 0
|
|
|
|
minetest.register_on_joinplayer(function(player)
|
|
last_dimension[player:get_player_name()] = pos_to_dimension(player:get_pos())
|
|
end)
|
|
|
|
minetest.register_globalstep(function(dtime)
|
|
-- regular updates based on iterval
|
|
dimtimer = dimtimer + dtime;
|
|
if dimtimer >= DIM_UPDATE then
|
|
local players = get_connected_players()
|
|
for p = 1, #players do
|
|
local dim = pos_to_dimension(players[p]:get_pos())
|
|
local name = players[p]:get_player_name()
|
|
if dim ~= last_dimension[name] then
|
|
dimension_change(players[p], dim)
|
|
end
|
|
end
|
|
dimtimer = 0
|
|
end
|
|
end)
|
|
|
|
function mcl_worlds.get_cloud_parameters()
|
|
if minetest.get_mapgen_setting("mg_name") == "valleys" then
|
|
return {
|
|
height = 384, --valleys has a much higher average elevation thus often "normal" landscape ends up in the clouds
|
|
speed = {x=-2, z=0},
|
|
thickness=5,
|
|
color="#FFF0FEF",
|
|
ambient = "#201060",
|
|
}
|
|
else
|
|
-- MC-style clouds: Layer 127, thickness 4, fly to the “West”
|
|
return {
|
|
height = mcl_worlds.layer_to_y(127),
|
|
speed = {x=-2, z=0},
|
|
thickness = 4,
|
|
color = "#FFF0FEF",
|
|
}
|
|
end
|
|
end
|