mods/train/init.lua

   1 local pool = {}
   2
   3 local player_pool = {}
   4
   5
   6 local dirs = {
   7         {x= 1,y= 0,z= 0},
   8         {x=-1,y= 0,z= 0},
   9
  10         {x= 1,y= 1,z= 0},
  11         {x=-1,y= 1,z= 0},
  12
  13         {x= 1,y=-1,z= 0},
  14         {x=-1,y=-1,z= 0},
  15
  16         {x= 0,y= 0,z= 1},
  17         {x= 0,y= 0,z=-1},
  18
  19         {x= 0,y= 1,z= 1},
  20         {x= 0,y= 1,z=-1},
  21
  22         {x= 0,y=-1,z= 1},
  23         {x= 0,y=-1,z=-1},
  24 }
  25
  26 local function coupling_particles(pos,truth)
  27         local color = "red"
  28         if truth then
  29                 color = "green"
  30         end
  31
  32         minetest.add_particlespawner({
  33                 amount = 15,
  34                 time = 0.001,
  35                 minpos = pos,
  36                 maxpos = pos,
  37                 minvel = vector.new(-10,-10,-10),
  38                 maxvel = vector.new(10,10,10),
  39                 minacc = {x=0, y=0, z=0},
  40                 maxacc = {x=0, y=0, z=0},
  41                 minexptime = 1.1,
  42                 maxexptime = 1.5,
  43                 minsize = 1,
  44                 maxsize = 2,
  45                 collisiondetection = false,
  46                 collision_removal = false,
  47                 vertical = false,
  48                 texture = "couple_particle.png^[colorize:"..color..":200",
  49                 glow = 14,
  50         })
  51 end
  52
  53 local function data_injection(pos,data)
  54         if data then
  55                 pool[minetest.hash_node_position(pos)] = true
  56         else
  57                 pool[minetest.hash_node_position(pos)] = nil
  58         end
  59 end
  60
  61 local function speed_limiter(self,speed)
  62         local test = self.object:get_velocity()--vector.multiply(self.velocity,new_vel)
  63
  64         if test.x > speed then
  65                 test.x = speed
  66         elseif test.x < -speed then
  67                 test.x = -speed
  68         end
  69         if test.z > speed then
  70                 test.z = speed
  71         elseif test.z < -speed then
  72                 test.z = -speed
  73         end
  74         self.object:set_velocity(test)
  75 end
  76
  77 local function create_axis(pos)
  78         local possible_dirs = {}
  79         for _,dir in pairs(dirs) do
  80                 local pos2 = vector.add(pos,dir)
  81                 if pool[minetest.hash_node_position(pos2)] then
  82                         table.insert(possible_dirs,dir)
  83                 end
  84         end
  85         return(possible_dirs)
  86 end
  87
  88 local function collision_detect(self)
  89         if not self.axis_lock then return end
  90         local pos = self.object:get_pos()
  91         for _,object in ipairs(minetest.get_objects_inside_radius(pos, 1)) do
  92                 if object:is_player() then
  93                         local pos2 = object:get_pos()
  94                         if self.axis_lock == "x" then
  95
  96                                 local velocity = (1-vector.distance(vector.new(pos.x,0,0),vector.new(pos2.x,0,0)))*5
  97                                 local dir = vector.direction(vector.new(pos2.x,0,0),vector.new(pos.x,0,0))
  98                                 local new_vel = vector.multiply(dir,velocity)
  99                                 self.object:add_velocity(new_vel)
 100                                 self.dir = dir
 101                         elseif self.axis_lock == "z" then
 102                                 local velocity = (1-vector.distance(vector.new(0,0,pos.z),vector.new(0,0,pos2.z)))*5
 103                                 local dir = vector.direction(vector.new(0,0,pos2.z),vector.new(0,0,pos.z))
 104                                 local new_vel = vector.multiply(dir,velocity)
 105                                 self.object:add_velocity(new_vel)
 106                                 self.dir = dir
 107                         end
 108                         return
 109                 end
 110         end
 111 end
 112
 113 local function direction_snap(self)
 114         local dir = self.dir
 115         local pitch = 0
 116         if dir.y == 1 then pitch = math.pi/4 end
 117         if dir.y == -1 then pitch = -math.pi/4 end
 118
 119         local yaw = minetest.dir_to_yaw(dir)
 120
 121         if self.driver then
 122                 self.driver:set_look_vertical(-pitch)
 123                 self.driver:set_look_horizontal(yaw)
 124         end
 125         self.object:set_rotation(vector.new(pitch,yaw,0))
 126
 127
 128 end
 129
 130 local function turn_snap(pos,self,dir,dir2)
 131         if self.axis_lock == "x" then
 132                 if dir.x ~= 0 and dir2.z ~= 0 then
 133                         local velocity = self.object:get_velocity()
 134                         local inertia = math.abs(velocity.x)
 135                         self.object:set_velocity(vector.multiply(dir2,inertia))
 136                         self.dir = dir2
 137                         self.axis_lock = "z"
 138                         self.object:set_pos(pos)
 139                         direction_snap(self)
 140                         return(true)
 141                 end
 142         end
 143         if self.axis_lock == "z" then
 144                 if dir.z ~= 0 and dir2.x ~= 0 then
 145                         local velocity = self.object:get_velocity()
 146                         local inertia = math.abs(velocity.z)
 147                         self.object:set_velocity(vector.multiply(dir2,inertia))
 148                         self.dir = dir2
 149                         self.axis_lock = "x"
 150                         self.object:set_pos(pos)
 151                         direction_snap(self)
 152                         return(true)
 153                 end
 154         end
 155         return(false)
 156 end
 157
 158 local function climb_snap(pos,self,dir,dir2)
 159         if self.axis_lock == "x" then
 160                 if dir.x == dir2.x and dir2.y ~= 0 then
 161                         local velocity = self.object:get_velocity()
 162                         local inertia = math.abs(velocity.x)
 163                         self.object:set_velocity(vector.multiply(dir2,inertia))
 164                         self.dir = dir2
 165                         self.axis_lock = "x"
 166                         self.object:set_pos(pos)
 167                         direction_snap(self)
 168                         return(true)
 169                 end
 170         end
 171         if self.axis_lock == "z" then
 172                 if dir.z == dir2.z and dir2.y ~= 0 then
 173                         local velocity = self.object:get_velocity()
 174                         local inertia = math.abs(velocity.z)
 175                         self.object:set_velocity(vector.multiply(dir2,inertia))
 176                         self.dir = dir2
 177                         self.axis_lock = "z"
 178                         self.object:set_pos(pos)
 179                         direction_snap(self)
 180                         return(true)
 181                 end
 182         end
 183         return(false)
 184 end
 185
 186 local function straight_snap(pos,self,dir)
 187         if self.axis_lock == "x" then
 188                 if dir.x ~= 0 and pool[minetest.hash_node_position(vector.add(pos,vector.new(dir.x,0,0)))] then
 189                         local velocity = self.object:get_velocity()
 190                         self.object:set_velocity(vector.new(velocity.x,0,0))
 191                         self.dir = vector.new(dir.x,0,0)
 192                         self.axis_lock = "x"
 193                         self.object:set_pos(pos)
 194                         direction_snap(self)
 195                         return(true)
 196                 end
 197         end
 198         if self.axis_lock == "z" then
 199                 if dir.z ~= 0 and pool[minetest.hash_node_position(vector.add(pos,vector.new(0,0,dir.z)))] then
 200                         local velocity = self.object:get_velocity()
 201                         self.object:set_velocity(vector.new(0,0,velocity.z))
 202                         self.dir = vector.new(0,0,dir.z)
 203                         self.axis_lock = "z"
 204                         self.object:set_pos(pos)
 205                         direction_snap(self)
 206                         return(true)
 207                 end
 208         end
 209         return(false)
 210 end
 211
 212
 213 local function coupling_logic(self)
 214
 215         if not self.axis_lock then return end
 216
 217         if not self.coupler1 then return end
 218
 219         if self.dir.y ~= 0 then return end
 220
 221         local pos = self.object:get_pos()
 222
 223         local pos2 = self.coupler1:get_pos()
 224
 225         local coupler_goal = self.coupler1:get_luaentity().coupler_distance
 226
 227         local coupler_velocity = self.coupler1:get_velocity()
 228
 229         if self.axis_lock == "x" then
 230                 local velocity_real = self.object:get_velocity()
 231                 local distance = vector.distance(pos,pos2)
 232                 local new_vel = vector.new(0,0,0)
 233                 if distance > coupler_goal then
 234                         local velocity = (distance-coupler_goal)*5
 235                         local dir = vector.direction(vector.new(pos.x,0,0),vector.new(pos2.x,0,0))
 236                         self.dir = dir
 237                         new_vel = vector.multiply(dir,velocity)
 238                 else
 239                         if vector.equals(coupler_velocity,vector.new(0,0,0)) then
 240                                 new_vel = vector.multiply(velocity_real,-1)
 241                         else
 242                                 local c_vel = vector.distance(vector.new(0,0,0),coupler_velocity)
 243                                 local a_vel = vector.distance(vector.new(0,0,0),velocity_real)
 244                                 local d_vel = a_vel-c_vel
 245                                 if d_vel < 0 then
 246                                         d_vel = 0
 247                                 end
 248                                 new_vel = vector.multiply(self.dir,d_vel)
 249                         end
 250                 end
 251                 self.object:add_velocity(new_vel)
 252         elseif self.axis_lock == "z" then
 253                 local velocity_real = self.object:get_velocity()
 254                 local distance = vector.distance(pos,pos2)
 255                 local new_vel = vector.new(0,0,0)
 256                 if distance > coupler_goal then
 257                         local velocity = (distance-coupler_goal)*5
 258                         local dir = vector.direction(vector.new(0,0,pos.z),vector.new(0,0,pos2.z))
 259                         self.dir = dir
 260                         new_vel = vector.multiply(dir,velocity)
 261                 else
 262                         if vector.equals(coupler_velocity,vector.new(0,0,0)) then
 263                                 new_vel = vector.multiply(velocity_real,-1)
 264                         else
 265                                 local c_vel = vector.distance(vector.new(0,0,0),coupler_velocity)
 266                                 local a_vel = vector.distance(vector.new(0,0,0),velocity_real)
 267                                 local d_vel = a_vel-c_vel
 268                                 if d_vel < 0 then
 269                                         d_vel = 0
 270                                 end
 271                                 new_vel = vector.multiply(self.dir,d_vel)
 272                         end
 273                 end
 274                 self.object:add_velocity(new_vel)
 275         end
 276
 277         return
 278 end
 279
 280
 281 local function rail_brain(self,pos)
 282
 283         if not self.dir then self.dir = vector.new(0,0,0) end
 284
 285         local pos2 = self.object:get_pos()
 286
 287         local dir = self.dir
 288
 289         speed_limiter(self,6)
 290
 291         if not pool[minetest.hash_node_position(vector.add(pos,dir))] then
 292
 293                 if straight_snap(pos,self,dir) then
 294                         return
 295                 end
 296
 297                 local possible_dirs = create_axis(pos)
 298
 299                 if table.getn(possible_dirs) == 0 then
 300                         --stop slow down become physical
 301                 else
 302                         for _,dir2 in pairs(possible_dirs) do
 303                                 if turn_snap(pos,self,dir,dir2) then
 304                                         return
 305                                 end
 306                                 if climb_snap(pos,self,dir,dir2) then
 307                                         return
 308                                 end
 309                         end
 310                 end
 311         else
 312                 if self.is_car then
 313                         coupling_logic(self)
 314                 end
 315         end
 316
 317 end
 318
 319
 320 --[[
 321  █████╗ ██████╗ ██╗    ██████╗ ███████╗ ██████╗ ██╗███╗   ██╗
 322 ██╔══██╗██╔══██╗██║    ██╔══██╗██╔════╝██╔════╝ ██║████╗  ██║
 323 ███████║██████╔╝██║    ██████╔╝█████╗  ██║  ███╗██║██╔██╗ ██║
 324 ██╔══██║██╔═══╝ ██║    ██╔══██╗██╔══╝  ██║   ██║██║██║╚██╗██║
 325 ██║  ██║██║     ██║    ██████╔╝███████╗╚██████╔╝██║██║ ╚████║
 326 ╚═╝  ╚═╝╚═╝     ╚═╝    ╚═════╝ ╚══════╝ ╚═════╝ ╚═╝╚═╝  ╚═══╝
 327 ]]--
 328
 329
 330 function register_train(name,data)
 331 local train = {}
 332
 333 train.power            = data.power
 334 train.coupler_distance = data.coupler_distance
 335 train.is_car           = data.is_car
 336 train.is_engine        = data.is_engine
 337 train.max_speed        = data.max_speed
 338 train.driver           = nil
 339
 340 train.initial_properties = {
 341         physical = false, -- otherwise going uphill breaks
 342         collisionbox = {-0.4, -0.5, -0.4, 0.4, 0.45, 0.4},
 343         visual = "mesh",
 344         mesh = data.mesh,
 345         visual_size = {x=1, y=1},
 346         textures = {data.texture},
 347 }
 348
 349
 350 train.on_step = function(self,dtime)
 351         if dtime > 0.1 then
 352                 self.object:set_pos(self.old_pos)
 353         end
 354         local pos = vector.round(self.object:get_pos())
 355         if not self.axis_lock then
 356                 local possible_dirs = create_axis(pos)
 357                 for _,dir in pairs(possible_dirs) do
 358                         if dir.x ~=0 then
 359                                 self.axis_lock = "x"
 360                                 self.dir = dir
 361                                 direction_snap(self)
 362                                 break
 363                         elseif dir.z ~= 0 then
 364                                 self.axis_lock = "z"
 365                                 self.dir = dir
 366                                 direction_snap(self)
 367                                 break
 368                         end
 369                 end
 370         else
 371                 rail_brain(self,pos)
 372                 --collision_detect(self)
 373         end
 374         self.old_pos = self.object:get_pos()
 375 end
 376
 377
 378
 379
 380 train.on_punch = function(self, puncher)
 381         if not puncher:get_wielded_item():get_name() == "train:wrench" then
 382                 return
 383         end
 384
 385         if self.is_engine and puncher:get_player_control().sneak then
 386                 if vector.equals(self.object:get_velocity(),vector.new(0,0,0)) then
 387                         if self.dir.y == 0 then
 388                                 self.dir = vector.multiply(self.dir,-1)
 389                                 direction_snap(self)
 390                                 minetest.sound_play("wrench",{
 391                                         object = self.object,
 392                                         gain = 1.0,
 393                                         max_hear_distance = 64,
 394                                 })
 395                         end
 396                 end
 397                 return
 398         end
 399
 400         if self.is_engine then
 401                 self.object:set_velocity(vector.multiply(self.dir,self.max_speed))
 402                 return
 403         end
 404
 405         if self.coupler1 then
 406                 self.coupler1:get_luaentity().coupler2 = nil
 407                 self.coupler1 = nil
 408         end
 409
 410         if self.coupler2 then
 411                 self.coupler2:get_luaentity().coupler1 = nil
 412                 self.coupler2 = nil
 413         end
 414
 415 end
 416
 417
 418 train.on_rightclick = function(self,clicker)
 419         --[[
 420         if clicker:get_wielded_item():get_name() == "utility:furnace" then
 421                 local obj = minetest.add_entity(pos, "train:furnace")
 422                 obj:set_attach(self.object,"",vector.new(0,0,0),vector.new(0,0,0))
 423                 minetest.sound_play("wrench",{
 424                         object = self.object,
 425                         gain = 1.0,
 426                         max_hear_distance = 64,
 427                 })
 428                 coupling_particles(pos,true)
 429                 self.furnace = true
 430                 return
 431         end
 432         ]]--
 433
 434         if clicker:get_wielded_item():get_name() ~= "train:wrench" then
 435                 if self.is_engine then
 436                         if not self.driver then
 437                                 print("jump on in")
 438                                 clicker:set_attach(self.object, "", data.body_pos, data.body_rotation)
 439                                 clicker:set_eye_offset(data.eye_offset,{x=0,y=0,z=0})
 440                                 player_is_attached(clicker,true)
 441                                 set_player_animation(clicker,"stand",0)
 442                                 local rotation = self.object:get_rotation()
 443                                 clicker:set_look_vertical(0)
 444                                 clicker:set_look_horizontal(rotation.y)
 445                                 self.object:set_velocity(vector.multiply(self.dir,self.max_speed))
 446                                 self.driver = clicker
 447                         elseif clicker == self.driver then
 448                                 print("jumpin off!")
 449                                 clicker:set_detach()
 450                                 clicker:set_eye_offset({x=0,y=0,z=0},{x=0,y=0,z=0})
 451                                 player_is_attached(clicker,false)
 452                                 set_player_animation(clicker,"stand",0)
 453                                 self.object:set_velocity(vector.new(0,0,0))
 454                                 self.driver = nil
 455                         end
 456                         return
 457                 end
 458                 return
 459         end
 460
 461         local pos = self.object:get_pos()
 462
 463         local name = clicker:get_player_name()
 464         if not pool[name] then
 465                 if not self.coupler2 then
 466                         pool[name] = self.object
 467                         minetest.sound_play("wrench",{
 468                                 object = self.object,
 469                                 gain = 1.0,
 470                                 max_hear_distance = 64,
 471                         })
 472                         coupling_particles(pos,true)
 473                 else
 474                         minetest.sound_play("wrench",{
 475                                 object = self.object,
 476                                 gain = 1.0,
 477                                 max_hear_distance = 64,
 478                                 pitch = 0.7,
 479                         })
 480                         coupling_particles(pos,false)
 481                 end
 482         else
 483                 if not self.is_engine and pool[name] ~= self.object and not (pool[name]:get_luaentity().coupler1 and pool[name]:get_luaentity().coupler1 == self.object or self.coupler2) then
 484                         self.coupler1 = pool[name]
 485                         pool[name]:get_luaentity().coupler2 = self.object
 486                         minetest.sound_play("wrench",{
 487                                 object = self.object,
 488                                 gain = 1.0,
 489                                 max_hear_distance = 64,
 490                         })
 491                         coupling_particles(pos,true)
 492                 else
 493                         minetest.sound_play("wrench",{
 494                                 object = self.object,
 495                                 gain = 1.0,
 496                                 max_hear_distance = 64,
 497                                 pitch = 0.7,
 498                         })
 499                         coupling_particles(pos,false)
 500                 end
 501                 pool[name] = nil
 502         end
 503 end
 504
 505 --get old data
 506 train.on_activate = function(self,staticdata, dtime_s)
 507         self.object:set_armor_groups({immortal=1})
 508         if string.sub(staticdata, 1, string.len("return")) ~= "return" then
 509                 return
 510         end
 511         local data = minetest.deserialize(staticdata)
 512         if type(data) ~= "table" then
 513                 return
 514         end
 515         self.old_pos = self.object:get_pos()
 516         self.velocity = vector.new(0,0,0)
 517 end
 518
 519 train.get_staticdata = function(self)
 520         return minetest.serialize({
 521         })
 522 end
 523
 524 minetest.register_entity(name, train)
 525
 526 end
 527
 528 --[[
 529 ███████╗███╗   ██╗██████╗
 530 ██╔════╝████╗  ██║██╔══██╗
 531 █████╗  ██╔██╗ ██║██║  ██║
 532 ██╔══╝  ██║╚██╗██║██║  ██║
 533 ███████╗██║ ╚████║██████╔╝
 534 ╚══════╝╚═╝  ╚═══╝╚═════╝
 535 ]]--
 536
 537
 538
 539
 540 register_train("train:steam_train",{
 541         mesh = "steam_train.b3d",
 542         texture = "steam_train.png",
 543         is_engine = true,
 544         power = 6,
 545         max_speed = 6,
 546         coupler_distance = 3,
 547         body_pos = vector.new(0,0,-15),
 548         body_rotation = vector.new(0,0,0),
 549         eye_offset = vector.new(6,-1,-10)
 550 })
 551
 552 register_train("train:minecart",{
 553         mesh = "minecart.x",
 554         texture = "minecart.png",
 555         --is_engine = true,
 556         is_car = true,
 557         --power = 6,
 558         max_speed = 6,
 559         coupler_distance = 1.3,
 560         --body_pos = vector.new(0,0,-15),
 561         --body_rotation = vector.new(0,0,0),
 562         --eye_offset = vector.new(6,-1,-10)
 563 })
 564
 565
 566
 567 minetest.register_craftitem("train:train", {
 568         description = "train",
 569         inventory_image = "minecartitem.png",
 570         wield_image = "minecartitem.png",
 571         on_place = function(itemstack, placer, pointed_thing)
 572                 if not pointed_thing.type == "node" then
 573                         return
 574                 end
 575
 576                 local sneak = placer:get_player_control().sneak
 577                 local noddef = minetest.registered_nodes[minetest.get_node(pointed_thing.under).name]
 578                 if not sneak and noddef.on_rightclick then
 579                         minetest.item_place(itemstack, placer, pointed_thing)
 580                         return
 581                 end
 582
 583                 if minetest.get_item_group(minetest.get_node(pointed_thing.under).name, "rail")>0 then
 584                         minetest.add_entity(pointed_thing.under, "train:steam_train")
 585                 else
 586                         return
 587                 end
 588
 589                 itemstack:take_item()
 590
 591                 return itemstack
 592         end,
 593 })
 594
 595 minetest.register_craft({
 596         output = "train:minecart",
 597         recipe = {
 598                 {"main:iron", "main:iron", "main:iron"},
 599                 {"main:iron", "main:iron", "main:iron"},
 600         },
 601 })
 602
 603
 604 minetest.register_craftitem("train:minecart", {
 605         description = "train",
 606         inventory_image = "minecartitem.png",
 607         wield_image = "minecartitem.png",
 608         on_place = function(itemstack, placer, pointed_thing)
 609                 if not pointed_thing.type == "node" then
 610                         return
 611                 end
 612
 613                 local sneak = placer:get_player_control().sneak
 614                 local noddef = minetest.registered_nodes[minetest.get_node(pointed_thing.under).name]
 615                 if not sneak and noddef.on_rightclick then
 616                         minetest.item_place(itemstack, placer, pointed_thing)
 617                         return
 618                 end
 619
 620                 if minetest.get_item_group(minetest.get_node(pointed_thing.under).name, "rail")>0 then
 621                         minetest.add_entity(pointed_thing.under, "train:minecart")
 622                 else
 623                         return
 624                 end
 625
 626                 itemstack:take_item()
 627
 628                 return itemstack
 629         end,
 630 })
 631
 632 minetest.register_craft({
 633         output = "train:train",
 634         recipe = {
 635                 {"main:iron", "", "main:iron"},
 636                 {"main:iron", "main:iron", "main:iron"},
 637         },
 638 })
 639
 640
 641
 642 minetest.register_node("train:rail",{
 643         description = "Rail",
 644         wield_image = "rail.png",
 645         tiles = {
 646                 "rail.png", "railcurve.png",
 647                 "railt.png", "railcross.png"
 648         },
 649         drawtype = "raillike",
 650         paramtype = "light",
 651         sunlight_propagates = true,
 652         is_ground_content = false,
 653         walkable = false,
 654         node_placement_prediction = "",
 655         selection_box = {
 656                 type = "fixed",
 657                 fixed = {-1/2, -1/2, -1/2, 1/2, -1/2+1/16, 1/2},
 658         },
 659         sounds = main.stoneSound(),
 660         after_place_node = function(pos)
 661                 data_injection(pos,true)
 662         end,
 663         after_destruct = function(pos)
 664                 data_injection(pos)
 665         end,
 666         groups={stone=1,wood=1,rail=1,attached_node=1},
 667 })
 668
 669
 670 minetest.register_lbm({
 671         name = "train:rail",
 672         nodenames = {"train:rail"},
 673         run_at_every_load = true,
 674         action = function(pos)
 675                 data_injection(pos,true)
 676         end,
 677 })
 678
 679 minetest.register_craft({
 680         output = "train:rail 32",
 681         recipe = {
 682                 {"main:iron","","main:iron"},
 683                 {"main:iron","main:stick","main:iron"},
 684                 {"main:iron","","main:iron"}
 685         }
 686 })
 687
 688
 689 minetest.register_food("train:wrench",{
 690         description = "Train Wrench",
 691         texture = "wrench.png",
 692 })
 693
 694 minetest.register_craft({
 695         output = "train:wrench",
 696         recipe = {
 697                 {"main:iron", "", "main:iron"},
 698                 {"main:iron", "main:lapis", "main:iron"},
 699                 {"", "main:lapis", ""}
 700         }
 701 })
 702
 703
 704
 705 minetest.register_entity("train:furnace", {
 706         initial_properties = {
 707                 visual = "wielditem",
 708                 visual_size = {x = 0.6, y = 0.6},
 709                 textures = {},
 710                 physical = true,
 711                 is_visible = false,
 712                 collide_with_objects = false,
 713                 pointable=false,
 714                 collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
 715         },
 716         set_node = function(self)
 717                 self.object:set_properties({
 718                         is_visible = true,
 719                         textures = {"utility:furnace"},
 720                 })
 721         end,
 722
 723
 724         on_activate = function(self, staticdata)
 725                 self.object:set_armor_groups({immortal = 1})
 726
 727                 self:set_node()
 728         end,
 729 })