Carts: Merge boost_cart as "carts" mod

This is all the working code from SmallJoker's boost_cart, poored into
a more suitable form for minetest_game.

- Mesecons and moreores stuff was removed entirely.
- Textures were all renamed and moved out of default/
- Updated license, readme.txt, attribution
- Changed code license to MIT, left artwork at CC0
- removed default:rail and made aliases for it
- :carts:rail is now carts:rail.
- localized entity def
- removed copper rail entirely
- startstop rail was removed, as well as detector rail
- remodeled to b3d using stujones11 excellent blend model, but sizes
  of cart adjusted to make pixel sizes consistent (0.625) everywhere.
- slightly more complex texture map for the cart (front/side visibly
  different)
- rail parameters are passed as a separate def table, and stored in
  a private list. This avoids having to call `get_meta` on every
  node. In return, we need the node name, though.
- adds metal sounds (based on default metal sound function) and
  cart moving sound.
- reduced cart speeds to max 7, 5 by pushing.
- Added on_step() rail event handler, gets called when a cart is on
  a rail.
- Added various rebased updates from upstream (thanks Krock)
- Included a fix that removes the 'reverse jiggle' when stopping.
- Included reworked textures by sofar.

The mod namespace is still public, but I'm NOT declaring it an API. I'd
rather see it localized instead, for now. Any public interface in this
code is *experimental* at best, and should be considered non-stable and
unsupported for now.
This commit is contained in:
Auke Kok 2016-10-08 14:14:10 -07:00 committed by paramat
parent 75caa9167c
commit 1e691c4429
35 changed files with 780 additions and 33 deletions

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@ -650,3 +650,25 @@ Trees
* `default.grow_new_snowy_pine_tree(pos)` * `default.grow_new_snowy_pine_tree(pos)`
* Grows a new design snowy pine tree at pos * Grows a new design snowy pine tree at pos
Carts
-----
carts.register_rail(
"mycarts:myrail", -- Rail name
nodedef, -- standard nodedef
railparams -- rail parameter struct (optional)
)
railparams = {
on_step(obj, dtime), -- Event handler called when
-- cart is on rail
acceleration, -- integer acceleration factor (negative
-- values to brake)
}
The event handler is called after all default calculations
are made, so the custom on_step handler can override things
like speed, acceleration, player attachment. The handler will
likely be called many times per second, so the function needs
to make sure that the event is handled properly.

20
mods/carts/README.txt Normal file
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Carts (formerly boost_cart)
==========================
Cleaned up for merge based almost entirely on SmallJoker's boost_cart
mod (github.com/smalljoker/boost_cart).
That in turn was based on (and fully compatible with) the mod "carts"
by PilzAdam
The model was redone, but based on github.com/stujones11/railcart, CC-0
Cart Textures are based on original work from PixelBOX (WTFPL).
Features
----------
- A fast cart for your railway or roller coaster (up to 7 m/s!)
- Boost and brake rails
- Rail junction switching with the 'right-left' walking keys
- Handbrake with the 'back' key

1
mods/carts/depends.txt Normal file
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default

221
mods/carts/functions.lua Normal file
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function carts:get_sign(z)
if z == 0 then
return 0
else
return z / math.abs(z)
end
end
function carts:manage_attachment(player, obj)
if not player then
return
end
local status = obj ~= nil
local player_name = player:get_player_name()
if default.player_attached[player_name] == status then
return
end
default.player_attached[player_name] = status
if status then
player:set_attach(obj, "", {x=0, y=6, z=0}, {x=0, y=0, z=0})
player:set_eye_offset({x=0, y=-4, z=0},{x=0, y=-4, z=0})
else
player:set_detach()
player:set_eye_offset({x=0, y=0, z=0},{x=0, y=0, z=0})
end
end
function carts:velocity_to_dir(v)
if math.abs(v.x) > math.abs(v.z) then
return {x=carts:get_sign(v.x), y=carts:get_sign(v.y), z=0}
else
return {x=0, y=carts:get_sign(v.y), z=carts:get_sign(v.z)}
end
end
function carts:is_rail(pos, railtype)
local node = minetest.get_node(pos).name
if node == "ignore" then
local vm = minetest.get_voxel_manip()
local emin, emax = vm:read_from_map(pos, pos)
local area = VoxelArea:new{
MinEdge = emin,
MaxEdge = emax,
}
local data = vm:get_data()
local vi = area:indexp(pos)
node = minetest.get_name_from_content_id(data[vi])
end
if minetest.get_item_group(node, "rail") == 0 then
return false
end
if not railtype then
return true
end
return minetest.get_item_group(node, "connect_to_raillike") == railtype
end
function carts:check_front_up_down(pos, dir_, check_up, railtype)
local dir = vector.new(dir_)
local cur
-- Front
dir.y = 0
cur = vector.add(pos, dir)
if carts:is_rail(cur, railtype) then
return dir
end
-- Up
if check_up then
dir.y = 1
cur = vector.add(pos, dir)
if carts:is_rail(cur, railtype) then
return dir
end
end
-- Down
dir.y = -1
cur = vector.add(pos, dir)
if carts:is_rail(cur, railtype) then
return dir
end
return nil
end
function carts:get_rail_direction(pos_, dir, ctrl, old_switch, railtype)
local pos = vector.round(pos_)
local cur
local left_check, right_check = true, true
-- Check left and right
local left = {x=0, y=0, z=0}
local right = {x=0, y=0, z=0}
if dir.z ~= 0 and dir.x == 0 then
left.x = -dir.z
right.x = dir.z
elseif dir.x ~= 0 and dir.z == 0 then
left.z = dir.x
right.z = -dir.x
end
if ctrl then
if old_switch == 1 then
left_check = false
elseif old_switch == 2 then
right_check = false
end
if ctrl.left and left_check then
cur = carts:check_front_up_down(pos, left, false, railtype)
if cur then
return cur, 1
end
left_check = false
end
if ctrl.right and right_check then
cur = carts:check_front_up_down(pos, right, false, railtype)
if cur then
return cur, 2
end
right_check = true
end
end
-- Normal
cur = carts:check_front_up_down(pos, dir, true, railtype)
if cur then
return cur
end
-- Left, if not already checked
if left_check then
cur = carts:check_front_up_down(pos, left, false, railtype)
if cur then
return cur
end
end
-- Right, if not already checked
if right_check then
cur = carts:check_front_up_down(pos, right, false, railtype)
if cur then
return cur
end
end
-- Backwards
if not old_switch then
cur = carts:check_front_up_down(pos, {
x = -dir.x,
y = dir.y,
z = -dir.z
}, true, railtype)
if cur then
return cur
end
end
return {x=0, y=0, z=0}
end
function carts:pathfinder(pos_, expected_pos, old_dir, ctrl, pf_switch, railtype)
local pos = vector.round(pos_)
local pf_pos = vector.round(expected_pos)
local pf_dir = vector.new(old_dir)
for i = 1, 3 do
if vector.equals(pf_pos, pos) then
-- Success! Cart moved on correctly
return true
end
pf_dir, pf_switch = carts:get_rail_direction(pf_pos, pf_dir, ctrl, pf_switch, railtype)
if vector.equals(pf_dir, {x=0, y=0, z=0}) then
-- No way forwards
return false
end
pf_pos = vector.add(pf_pos, pf_dir)
end
-- Cart not found
return false
end
function carts:register_rail(name, def, railparams)
local def_default = {
drawtype = "raillike",
paramtype = "light",
sunlight_propagates = true,
is_ground_content = true,
walkable = false,
selection_box = {
type = "fixed",
fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
},
sounds = default.node_sound_metal_defaults()
}
for k, v in pairs(def_default) do
def[k] = v
end
if not def.inventory_image then
def.wield_image = def.tiles[1]
def.inventory_image = def.tiles[1]
end
if railparams then
carts.railparams[name] = table.copy(railparams)
end
minetest.register_node(name, def)
end
function carts:get_rail_groups(additional_groups)
-- Get the default rail groups and add more when a table is given
local groups = {dig_immediate = 2, attached_node = 1, rail = 1, connect_to_raillike = 1}
if type(additional_groups) == "table" then
for k, v in pairs(additional_groups) do
groups[k] = v
end
end
return groups
end

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mods/carts/init.lua Normal file
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carts = {}
carts.modpath = minetest.get_modpath("carts")
carts.railparams = {}
-- Maximal speed of the cart in m/s (min = -1)
carts.speed_max = 7
-- Set to -1 to disable punching the cart from inside (min = -1)
carts.punch_speed_max = 5
dofile(carts.modpath.."/functions.lua")
dofile(carts.modpath.."/rails.lua")
-- Support for non-default games
if not default.player_attached then
default.player_attached = {}
end
local cart_entity = {
physical = false, -- otherwise going uphill breaks
collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
visual = "mesh",
mesh = "carts_cart.b3d",
visual_size = {x=1, y=1},
textures = {"carts_cart.png"},
driver = nil,
punched = false, -- used to re-send velocity and position
velocity = {x=0, y=0, z=0}, -- only used on punch
old_dir = {x=1, y=0, z=0}, -- random value to start the cart on punch
old_pos = nil,
old_switch = 0,
railtype = nil,
attached_items = {}
}
function cart_entity:on_rightclick(clicker)
if not clicker or not clicker:is_player() then
return
end
local player_name = clicker:get_player_name()
if self.driver and player_name == self.driver then
self.driver = nil
carts:manage_attachment(clicker, nil)
elseif not self.driver then
self.driver = player_name
carts:manage_attachment(clicker, self.object)
end
end
function cart_entity:on_activate(staticdata, dtime_s)
self.object:set_armor_groups({immortal=1})
if string.sub(staticdata, 1, string.len("return")) ~= "return" then
return
end
local data = minetest.deserialize(staticdata)
if not data or type(data) ~= "table" then
return
end
self.railtype = data.railtype
if data.old_dir then
self.old_dir = data.old_dir
end
if data.old_vel then
self.old_vel = data.old_vel
end
end
function cart_entity:get_staticdata()
return minetest.serialize({
railtype = self.railtype,
old_dir = self.old_dir,
old_vel = self.old_vel
})
end
function cart_entity:on_punch(puncher, time_from_last_punch, tool_capabilities, direction)
local pos = self.object:getpos()
if not self.railtype then
local node = minetest.get_node(pos).name
self.railtype = minetest.get_item_group(node, "connect_to_raillike")
end
if not puncher or not puncher:is_player() then
local cart_dir = carts:get_rail_direction(pos, self.old_dir, nil, nil, self.railtype)
if vector.equals(cart_dir, {x=0, y=0, z=0}) then
return
end
self.velocity = vector.multiply(cart_dir, 3)
self.punched = true
return
end
if puncher:get_player_control().sneak then
if self.sound_handle then
minetest.sound_stop(self.sound_handle)
end
-- Pick up cart: Drop all attachments
if self.driver then
if self.old_pos then
self.object:setpos(self.old_pos)
end
local player = minetest.get_player_by_name(self.driver)
carts:manage_attachment(player, nil)
end
for _,obj_ in ipairs(self.attached_items) do
if obj_ then
obj_:set_detach()
end
end
local leftover = puncher:get_inventory():add_item("main", "carts:cart")
if not leftover:is_empty() then
minetest.add_item(self.object:getpos(), leftover)
end
self.object:remove()
return
end
local vel = self.object:getvelocity()
if puncher:get_player_name() == self.driver then
if math.abs(vel.x + vel.z) > carts.punch_speed_max then
return
end
end
local punch_dir = carts:velocity_to_dir(puncher:get_look_dir())
punch_dir.y = 0
local cart_dir = carts:get_rail_direction(pos, punch_dir, nil, nil, self.railtype)
if vector.equals(cart_dir, {x=0, y=0, z=0}) then
return
end
local punch_interval = 1
if tool_capabilities and tool_capabilities.full_punch_interval then
punch_interval = tool_capabilities.full_punch_interval
end
time_from_last_punch = math.min(time_from_last_punch or punch_interval, punch_interval)
local f = 2 * (time_from_last_punch / punch_interval)
self.velocity = vector.multiply(cart_dir, f)
self.old_dir = cart_dir
self.punched = true
end
local function rail_on_step_event(handler, obj, dtime)
if handler then
handler(obj, dtime)
end
end
-- sound refresh interval = 1.0sec
local function rail_sound(self, dtime)
if not self.sound_ttl then
self.sound_ttl = 1.0
return
elseif self.sound_ttl > 0 then
self.sound_ttl = self.sound_ttl - dtime
return
end
self.sound_ttl = 1.0
if self.sound_handle then
local handle = self.sound_handle
self.sound_handle = nil
minetest.after(0.2, minetest.sound_stop, handle)
end
local vel = self.object:getvelocity()
local speed = vector.length(vel)
if speed > 0 then
self.sound_handle = minetest.sound_play(
"carts_cart_moving", {
object = self.object,
gain = (speed / carts.speed_max) / 2,
loop = true,
})
end
end
local function rail_on_step(self, dtime)
local pos = self.object:getpos()
local node = minetest.get_node(pos)
local railparams = carts.railparams[node.name] or {}
local vel = self.object:getvelocity()
local update = {}
if self.punched then
vel = vector.add(vel, self.velocity)
self.object:setvelocity(vel)
self.old_dir.y = 0
elseif vector.equals(vel, {x=0, y=0, z=0}) then
return
end
-- stop cart if velocity vector flips
if self.old_vel and (((self.old_vel.x * vel.x) < 0) or
((self.old_vel.z * vel.z) < 0)) and
(self.old_vel.y == 0) then
self.old_dir = {x = 0, y = 0, z = 0}
self.old_vel = {x = 0, y = 0, z = 0}
self.velocity = {x = 0, y = 0, z = 0}
self.old_pos = pos
self.object:setvelocity(vector.new())
self.object:setacceleration(vector.new())
rail_on_step_event(railparams.on_step, self, dtime)
return
end
self.old_vel = vector.new(vel)
if self.old_pos and not self.punched then
local flo_pos = vector.round(pos)
local flo_old = vector.round(self.old_pos)
if vector.equals(flo_pos, flo_old) then
-- Do not check one node multiple times
rail_on_step_event(railparams.on_step, self, dtime)
return
end
end
local ctrl, player
-- Get player controls
if self.driver then
player = minetest.get_player_by_name(self.driver)
if player then
ctrl = player:get_player_control()
end
end
if self.old_pos then
-- Detection for "skipping" nodes
local expected_pos = vector.add(self.old_pos, self.old_dir)
local found_path = carts:pathfinder(
pos, expected_pos, self.old_dir, ctrl, self.old_switch, self.railtype
)
if not found_path then
-- No rail found: reset back to the expected position
pos = vector.new(self.old_pos)
update.pos = true
end
end
local cart_dir = carts:velocity_to_dir(vel)
-- dir: New moving direction of the cart
-- switch_keys: Currently pressed L/R key, used to ignore the key on the next rail node
local dir, switch_keys = carts:get_rail_direction(
pos, cart_dir, ctrl, self.old_switch, self.railtype
)
local new_acc = {x=0, y=0, z=0}
if vector.equals(dir, {x=0, y=0, z=0}) then
vel = {x=0, y=0, z=0}
pos = vector.round(pos)
update.pos = true
update.vel = true
else
-- If the direction changed
if dir.x ~= 0 and self.old_dir.z ~= 0 then
vel.x = dir.x * math.abs(vel.z)
vel.z = 0
pos.z = math.floor(pos.z + 0.5)
update.pos = true
end
if dir.z ~= 0 and self.old_dir.x ~= 0 then
vel.z = dir.z * math.abs(vel.x)
vel.x = 0
pos.x = math.floor(pos.x + 0.5)
update.pos = true
end
-- Up, down?
if dir.y ~= self.old_dir.y then
vel.y = dir.y * math.abs(vel.x + vel.z)
pos = vector.round(pos)
update.pos = true
end
-- Slow down or speed up..
local acc = dir.y * -4.0
-- no need to check for railparams == nil since we always make it exist.
local speed_mod = railparams.acceleration
if speed_mod and speed_mod ~= 0 then
-- Try to make it similar to the original carts mod
acc = acc + speed_mod
else
-- Handbrake
if ctrl and ctrl.down then
acc = acc - 1.6
else
acc = acc - 0.4
end
end
new_acc = vector.multiply(dir, acc)
end
-- Limits
local max_vel = carts.speed_max
for _,v in ipairs({"x","y","z"}) do
if math.abs(vel[v]) > max_vel then
vel[v] = carts:get_sign(vel[v]) * max_vel
new_acc[v] = 0
update.vel = true
end
end
self.object:setacceleration(new_acc)
self.old_pos = vector.new(pos)
if not vector.equals(dir, {x=0, y=0, z=0}) then
self.old_dir = vector.new(dir)
end
self.old_switch = switch_keys
if self.punched then
-- Collect dropped items
for _,obj_ in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
if not obj_:is_player() and
obj_:get_luaentity() and
not obj_:get_luaentity().physical_state and
obj_:get_luaentity().name == "__builtin:item" then
obj_:set_attach(self.object, "", {x=0, y=0, z=0}, {x=0, y=0, z=0})
self.attached_items[#self.attached_items + 1] = obj_
end
end
self.punched = false
update.vel = true
end
if not (update.vel or update.pos) then
rail_on_step_event(railparams.on_step, self, dtime)
return
end
local yaw = 0
if self.old_dir.x < 0 then
yaw = 0.5
elseif self.old_dir.x > 0 then
yaw = 1.5
elseif self.old_dir.z < 0 then
yaw = 1
end
self.object:setyaw(yaw * math.pi)
local anim = {x=0, y=0}
if dir.y == -1 then
anim = {x=1, y=1}
elseif dir.y == 1 then
anim = {x=2, y=2}
end
self.object:set_animation(anim, 1, 0)
self.object:setvelocity(vel)
if update.pos then
self.object:setpos(pos)
end
-- call event handler
rail_on_step_event(railparams.on_step, self, dtime)
end
function cart_entity:on_step(dtime)
rail_on_step(self, dtime)
rail_sound(self, dtime)
end
minetest.register_entity("carts:cart", cart_entity)
minetest.register_craftitem("carts:cart", {
description = "Cart (Sneak+Click to pick up)",
inventory_image = minetest.inventorycube("carts_cart_top.png", "carts_cart_side.png", "carts_cart_side.png"),
wield_image = "carts_cart_side.png",
on_place = function(itemstack, placer, pointed_thing)
if not pointed_thing.type == "node" then
return
end
if carts:is_rail(pointed_thing.under) then
minetest.add_entity(pointed_thing.under, "carts:cart")
elseif carts:is_rail(pointed_thing.above) then
minetest.add_entity(pointed_thing.above, "carts:cart")
else
return
end
minetest.sound_play({name = "default_place_node_metal", gain = 0.5},
{pos = pointed_thing.above})
if not minetest.setting_getbool("creative_mode") then
itemstack:take_item()
end
return itemstack
end,
})
minetest.register_craft({
output = "carts:cart",
recipe = {
{"default:steel_ingot", "", "default:steel_ingot"},
{"default:steel_ingot", "default:steel_ingot", "default:steel_ingot"},
},
})

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mods/carts/license.txt Normal file
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License of source code
----------------------
The MIT License (MIT)
Copyright (C) 2012-2016 PilzAdam
Copyright (C) 2014-2016 SmallJoker
Copyright (C) 2012-2016 Various Minetest developers and contributors
Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation the
rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
For more details:
https://opensource.org/licenses/MIT
Licenses of media
-----------------
CC-0, see: https://creativecommons.org/share-your-work/public-domain/cc0/, except
if other license is mentioned.
Authors
---------
Originally from PixelBOX (Gambit):
carts_cart_side.png
carts_cart_top.png
carts_cart_front.png*
carts_cart.png*
sofar + stujones11:
carts_cart.b3d and carts_cart.blend
hexafraction, modified by sofar
carts_rail_*.png
http://www.freesound.org/people/YleArkisto/sounds/253159/ - YleArkisto - CC-BY-3.0
carts_cart_moving.*.ogg

Binary file not shown.

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carts:register_rail("carts:rail", {
description = "Rail",
tiles = {
"carts_rail_straight.png", "carts_rail_curved.png",
"carts_rail_t_junction.png", "carts_rail_crossing.png"
},
inventory_image = "carts_rail_straight.png",
wield_image = "carts_rail_straight.png",
groups = carts:get_rail_groups(),
}, {})
minetest.register_craft({
output = "carts:rail 16",
recipe = {
{"default:steel_ingot", "", "default:steel_ingot"},
{"default:steel_ingot", "group:stick", "default:steel_ingot"},
{"default:steel_ingot", "", "default:steel_ingot"},
}
})
minetest.register_alias("default:rail", "carts:rail")
carts:register_rail("carts:powerrail", {
description = "Powered rail",
tiles = {
"carts_rail_straight_pwr.png", "carts_rail_curved_pwr.png",
"carts_rail_t_junction_pwr.png", "carts_rail_crossing_pwr.png"
},
groups = carts:get_rail_groups(),
}, {acceleration = 4})
minetest.register_craft({
output = "carts:powerrail 8",
recipe = {
{"default:steel_ingot", "default:mese_crystal_fragment", "default:steel_ingot"},
{"default:steel_ingot", "group:stick", "default:steel_ingot"},
{"default:steel_ingot", "default:mese_crystal_fragment", "default:steel_ingot"},
}
})
carts:register_rail("carts:brakerail", {
description = "Brake rail",
tiles = {
"carts_rail_straight_brk.png", "carts_rail_curved_brk.png",
"carts_rail_t_junction_brk.png", "carts_rail_crossing_brk.png"
},
groups = carts:get_rail_groups(),
}, {acceleration = -3})
minetest.register_craft({
output = "carts:brakerail 8",
recipe = {
{"default:steel_ingot", "default:coal_lump", "default:steel_ingot"},
{"default:steel_ingot", "group:stick", "default:steel_ingot"},
{"default:steel_ingot", "default:coal_lump", "default:steel_ingot"},
}
})

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@ -22,7 +22,7 @@ minetest.register_alias("papyrus", "default:papyrus")
minetest.register_alias("bookshelf", "default:bookshelf") minetest.register_alias("bookshelf", "default:bookshelf")
minetest.register_alias("glass", "default:glass") minetest.register_alias("glass", "default:glass")
minetest.register_alias("wooden_fence", "default:fence_wood") minetest.register_alias("wooden_fence", "default:fence_wood")
minetest.register_alias("rail", "default:rail") minetest.register_alias("rail", "carts:rail")
minetest.register_alias("ladder", "default:ladder_wood") minetest.register_alias("ladder", "default:ladder_wood")
minetest.register_alias("wood", "default:wood") minetest.register_alias("wood", "default:wood")
minetest.register_alias("mese", "default:mese") minetest.register_alias("mese", "default:mese")

View File

@ -352,15 +352,6 @@ minetest.register_craft({
} }
}) })
minetest.register_craft({
output = 'default:rail 24',
recipe = {
{'default:steel_ingot', '', 'default:steel_ingot'},
{'default:steel_ingot', 'group:stick', 'default:steel_ingot'},
{'default:steel_ingot', '', 'default:steel_ingot'},
}
})
minetest.register_craft({ minetest.register_craft({
output = 'default:chest', output = 'default:chest',
recipe = { recipe = {

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@ -181,8 +181,6 @@ default:fence_aspen_wood
default:glass default:glass
default:obsidian_glass default:obsidian_glass
default:rail
default:brick default:brick
default:meselamp default:meselamp
@ -2058,27 +2056,6 @@ minetest.register_node("default:obsidian_glass", {
}) })
minetest.register_node("default:rail", {
description = "Rail",
drawtype = "raillike",
tiles = {"default_rail.png", "default_rail_curved.png",
"default_rail_t_junction.png", "default_rail_crossing.png"},
inventory_image = "default_rail.png",
wield_image = "default_rail.png",
paramtype = "light",
sunlight_propagates = true,
walkable = false,
is_ground_content = false,
selection_box = {
type = "fixed",
-- but how to specify the dimensions for curved and sideways rails?
fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
},
groups = {dig_immediate = 2, attached_node = 1,
connect_to_raillike = minetest.raillike_group("rail")},
})
minetest.register_node("default:brick", { minetest.register_node("default:brick", {
description = "Brick Block", description = "Brick Block",
paramtype2 = "facedir", paramtype2 = "facedir",

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