minetest-mod-snow/src/stairs.lua

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local snow_nodes = {
snow = { "ice_brick", "snow_brick", "snow_cobble" },
default = { "ice", "snowblock" }
}
if minetest.get_modpath("moreblocks") and
minetest.global_exists("stairsplus") then
-- For users converting from MTG stairs to stairsplus, these nodes are aliased
-- from the stairs namespace to their source mod.
local was_in_stairs = {
ice_brick = true,
snow_brick = true,
snow_cobble = true,
ice = false, -- moreblocks will take care of this one, and
snowblock = false, -- this one, because they are in the default namespace.
}
-- Some nodes were incorrectly placed into the snow namespace. Alias these to
-- their proper namespace (default).
local was_in_snow = {
ice_brick = false,
snow_brick = false,
snow_cobble = false,
ice = true,
snowblock = true,
}
-- Some nodes were incorrectly placed into the moreblocks namespace. Alias
-- these to their proper namespace (either snow or default).
local was_in_moreblocks = {
ice_brick = false,
snow_brick = true,
snow_cobble = true,
ice = true,
snowblock = true,
}
for mod, nodes in pairs(snow_nodes) do
for _, name in pairs(nodes) do
local nodename = mod .. ":" .. name
local ndef = table.copy(minetest.registered_nodes[nodename])
ndef.sunlight_propagates = true
ndef.groups.melts = 2
ndef.groups.icemaker = nil
ndef.groups.cooks_into_ice = nil
ndef.after_place_node = nil
stairsplus:register_all(mod, name, nodename, ndef)
if was_in_stairs[name] then
minetest.register_alias("stairs:stair_" .. name, mod .. ":stair_" .. name)
minetest.register_alias("stairs:slab_" .. name, mod .. ":slab_" .. name)
end
if was_in_snow[name] then
minetest.register_alias("snow:stair_" .. name, mod .. ":stair_" .. name)
minetest.register_alias("snow:slab_" .. name, mod .. ":slab_" .. name)
end
if was_in_moreblocks[name] then
stairsplus:register_alias_all("moreblocks", name, mod, name)
end
end
end
elseif minetest.global_exists("stairs") then -- simple stairs and slabs only
for mod, nodes in pairs(snow_nodes) do
for _, name in pairs(nodes) do
local nodename = mod .. ":" .. name
local ndef = table.copy(minetest.registered_nodes[nodename])
local desc_stair = ndef.description .. " Stair"
local desc_slab = ndef.description .. " Slab"
local images = ndef.tiles
local sounds = ndef.sounds
local groups = ndef.groups
groups.melts = 2
groups.icemaker = nil
groups.cooks_into_ice = nil
stairs.register_stair_and_slab(name, nodename,
groups, images, desc_stair, desc_slab, sounds)
-- Add transparency if used (e.g. ice and ice_brick).
minetest.override_item("stairs:stair_" .. name,
{use_texture_alpha = ndef.use_texture_alpha})
minetest.override_item("stairs:slab_" .. name,
{use_texture_alpha = ndef.use_texture_alpha})
-- Alias all stairs and slabs from snow to the stairs namespace.
minetest.register_alias("snow:stair_" .. name, "stairs:stair_" .. name)
minetest.register_alias("snow:slab_" .. name, "stairs:slab_" .. name)
end
end
end