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[oweals/minetest_game.git] / mods / doors / init.lua
index 24349cb8a3a2c5f121c1623444100de1f2779214..53e27938c50456a2f4cbdee22b92dbb00985e3bb 100644 (file)
--- Minetest 0.4 mod: doors
--- See README.txt for licensing and other information.
---------------------------------------------------------------------------------
+-- our API object
+doors = {}
 
-local WALLMX = 3
-local WALLMZ = 5
-local WALLPX = 2
-local WALLPZ = 4
+-- private data
+local _doors = {}
+_doors.registered_doors = {}
+_doors.registered_trapdoors = {}
 
---------------------------------------------------------------------------------
-
-minetest.register_alias('door', 'doors:door_wood')
-minetest.register_alias('door_wood', 'doors:door_wood')
+-- returns an object to a door object or nil
+function doors.get(pos)
+       local node_name = minetest.get_node(pos).name
+       if _doors.registered_doors[node_name] then
+               -- A normal upright door
+               return {
+                       pos = pos,
+                       open = function(self, player)
+                               if self:state() then
+                                       return false
+                               end
+                               return _doors.door_toggle(self.pos, nil, player)
+                       end,
+                       close = function(self, player)
+                               if not self:state() then
+                                       return false
+                               end
+                               return _doors.door_toggle(self.pos, nil, player)
+                       end,
+                       toggle = function(self, player)
+                               return _doors.door_toggle(self.pos, nil, player)
+                       end,
+                       state = function(self)
+                               local state = minetest.get_meta(self.pos):get_int("state")
+                               return state %2 == 1
+                       end
+               }
+       elseif _doors.registered_trapdoors[node_name] then
+               -- A trapdoor
+               return {
+                       pos = pos,
+                       open = function(self, player)
+                               if self:state() then
+                                       return false
+                               end
+                               return _doors.trapdoor_toggle(self.pos, nil, player)
+                       end,
+                       close = function(self, player)
+                               if not self:state() then
+                                       return false
+                               end
+                               return _doors.trapdoor_toggle(self.pos, nil, player)
+                       end,
+                       toggle = function(self, player)
+                               return _doors.trapdoor_toggle(self.pos, nil, player)
+                       end,
+                       state = function(self)
+                               return minetest.get_node(self.pos).name:sub(-5) == "_open"
+                       end
+               }
+       else
+               return nil
+       end
+end
 
-minetest.register_node( 'doors:door_wood', {
-       description         = 'Wooden Door',
-       drawtype            = 'signlike',
-       tiles                   = { 'door_wood.png' },
-       inventory_image     = 'door_wood.png',
-       wield_image         = 'door_wood.png',
-       paramtype2          = 'wallmounted',
-       selection_box       = { type = 'wallmounted' },
-       groups              = { choppy=2, dig_immediate=2 },
+-- this hidden node is placed on top of the bottom, and prevents
+-- nodes from being placed in the top half of the door.
+minetest.register_node("doors:hidden", {
+       description = "Hidden Door Segment",
+       -- can't use airlike otherwise falling nodes will turn to entities
+       -- and will be forever stuck until door is removed.
+       drawtype = "nodebox",
+       paramtype = "light",
+       paramtype2 = "facedir",
+       sunlight_propagates = true,
+       -- has to be walkable for falling nodes to stop falling.
+       walkable = true,
+       pointable = false,
+       diggable = false,
+       buildable_to = false,
+       floodable = false,
+       drop = "",
+       groups = {not_in_creative_inventory = 1},
+       on_blast = function() end,
+       tiles = {"doors_blank.png"},
+       -- 1px transparent block inside door hinge near node top.
+       nodebox = {
+               type = "fixed",
+               fixed = {-15/32, 13/32, -15/32, -13/32, 1/2, -13/32},
+       },
+       -- collision_box needed otherise selection box would be full node size
+       collision_box = {
+               type = "fixed",
+               fixed = {-15/32, 13/32, -15/32, -13/32, 1/2, -13/32},
+       },
 })
 
-minetest.register_craft( {
-       output              = 'doors:door_wood',
-       recipe = {
-               { 'default:wood', 'default:wood' },
-               { 'default:wood', 'default:wood' },
-               { 'default:wood', 'default:wood' },
+-- table used to aid door opening/closing
+local transform = {
+       {
+               {v = "_a", param2 = 3},
+               {v = "_a", param2 = 0},
+               {v = "_a", param2 = 1},
+               {v = "_a", param2 = 2},
        },
-})
+       {
+               {v = "_b", param2 = 1},
+               {v = "_b", param2 = 2},
+               {v = "_b", param2 = 3},
+               {v = "_b", param2 = 0},
+       },
+       {
+               {v = "_b", param2 = 1},
+               {v = "_b", param2 = 2},
+               {v = "_b", param2 = 3},
+               {v = "_b", param2 = 0},
+       },
+       {
+               {v = "_a", param2 = 3},
+               {v = "_a", param2 = 0},
+               {v = "_a", param2 = 1},
+               {v = "_a", param2 = 2},
+       },
+}
 
-minetest.register_craft({
-       type = 'fuel',
-       recipe = 'doors:door_wood',
-       burntime = 30,
-})
-
-minetest.register_node( 'doors:door_wood_a_c', {
-       Description         = 'Top Closed Door',
-       drawtype            = 'signlike',
-       tiles                   = { 'door_wood_a.png' },
-       inventory_image     = 'door_wood_a.png',
-       paramtype           = 'light',
-       paramtype2          = 'wallmounted',
-       walkable            = true,
-       selection_box       = { type = "wallmounted", },
-       groups              = { choppy=2, dig_immediate=2 },
-       legacy_wallmounted  = true,
-       drop                = 'doors:door_wood',
-})
-
-minetest.register_node( 'doors:door_wood_b_c', {
-       Description         = 'Bottom Closed Door',
-       drawtype            = 'signlike',
-       tiles                   = { 'door_wood_b.png' },
-       inventory_image     = 'door_wood_b.png',
-       paramtype           = 'light',
-       paramtype2          = 'wallmounted',
-       walkable            = true,
-       selection_box       = { type = "wallmounted", },
-       groups              = { choppy=2, dig_immediate=2 },
-       legacy_wallmounted  = true,
-       drop                = 'doors:door_wood',
-})
-
-minetest.register_node( 'doors:door_wood_a_o', {
-       Description         = 'Top Open Door',
-       drawtype            = 'signlike',
-       tiles                   = { 'door_wood_a_r.png' },
-       inventory_image     = 'door_wood_a_r.png',
-       paramtype           = 'light',
-       paramtype2          = 'wallmounted',
-       walkable            = false,
-       selection_box       = { type = "wallmounted", },
-       groups              = { choppy=2, dig_immediate=2 },
-       legacy_wallmounted  = true,
-       drop                = 'doors:door_wood',
-})
-
-minetest.register_node( 'doors:door_wood_b_o', {
-       Description         = 'Bottom Open Door',
-       drawtype            = 'signlike',
-       tiles                   = { 'door_wood_b_r.png' },
-       inventory_image     = 'door_wood_b_r.png',
-       paramtype           = 'light',
-       paramtype2          = 'wallmounted',
-       walkable            = false,
-       selection_box       = { type = "wallmounted", },
-       groups              = { choppy=2, dig_immediate=2 },
-       legacy_wallmounted  = true,
-       drop                = 'doors:door_wood',
-})
-
---------------------------------------------------------------------------------
-
-local round = function( n )
-       if n >= 0 then
-               return math.floor( n + 0.5 )
+function _doors.door_toggle(pos, node, clicker)
+       local meta = minetest.get_meta(pos)
+       node = node or minetest.get_node(pos)
+       local def = minetest.registered_nodes[node.name]
+       local name = def.door.name
+
+       local state = meta:get_string("state")
+       if state == "" then
+               -- fix up lvm-placed right-hinged doors, default closed
+               if node.name:sub(-2) == "_b" then
+                       state = 2
+               else
+                       state = 0
+               end
        else
-               return math.ceil( n - 0.5 )
+               state = tonumber(state)
        end
+
+       if clicker and not minetest.check_player_privs(clicker, "protection_bypass") then
+               -- is player wielding the right key?
+               local item = clicker:get_wielded_item()
+               local owner = meta:get_string("doors_owner")
+               if item:get_name() == "default:key" then
+                       local key_meta = item:get_meta()
+                       local secret = meta:get_string("key_lock_secret")
+
+                       if key_meta:get_string("secret") == "" then
+                               key_meta:set_string("secret", minetest.parse_json(item:get_metadata()).secret)
+                       end
+
+                       if secret ~= key_meta:get_string("secret") then
+                               return false
+                       end
+
+               elseif owner ~= "" then
+                       if clicker:get_player_name() ~= owner then
+                               return false
+                       end
+               end
+       end
+
+       -- until Lua-5.2 we have no bitwise operators :(
+       if state % 2 == 1 then
+               state = state - 1
+       else
+               state = state + 1
+       end
+
+       local dir = node.param2
+       if state % 2 == 0 then
+               minetest.sound_play(def.door.sounds[1],
+                       {pos = pos, gain = 0.3, max_hear_distance = 10})
+       else
+               minetest.sound_play(def.door.sounds[2],
+                       {pos = pos, gain = 0.3, max_hear_distance = 10})
+       end
+
+       minetest.swap_node(pos, {
+               name = name .. transform[state + 1][dir+1].v,
+               param2 = transform[state + 1][dir+1].param2
+       })
+       meta:set_int("state", state)
+
+       return true
 end
 
-local on_door_placed = function( pos, node, placer )
-       if node.name ~= 'doors:door_wood' then return end
 
-       local upos = { x = pos.x, y = pos.y - 1, z = pos.z }
-       local apos = { x = pos.x, y = pos.y + 1, z = pos.z }
-       local und = minetest.env:get_node( upos )
-       local abv = minetest.env:get_node( apos )
+local function on_place_node(place_to, newnode,
+       placer, oldnode, itemstack, pointed_thing)
+       -- Run script hook
+       for _, callback in ipairs(minetest.registered_on_placenodes) do
+               -- Deepcopy pos, node and pointed_thing because callback can modify them
+               local place_to_copy = {x = place_to.x, y = place_to.y, z = place_to.z}
+               local newnode_copy =
+                       {name = newnode.name, param1 = newnode.param1, param2 = newnode.param2}
+               local oldnode_copy =
+                       {name = oldnode.name, param1 = oldnode.param1, param2 = oldnode.param2}
+               local pointed_thing_copy = {
+                       type  = pointed_thing.type,
+                       above = vector.new(pointed_thing.above),
+                       under = vector.new(pointed_thing.under),
+                       ref   = pointed_thing.ref,
+               }
+               callback(place_to_copy, newnode_copy, placer,
+                       oldnode_copy, itemstack, pointed_thing_copy)
+       end
+end
+
+local function can_dig_door(pos, digger)
+       local digger_name = digger and digger:get_player_name()
+       if digger_name and minetest.get_player_privs(digger_name).protection_bypass then
+               return true
+       end
+       return minetest.get_meta(pos):get_string("doors_owner") == digger_name
+end
+
+function doors.register(name, def)
+       if not name:find(":") then
+               name = "doors:" .. name
+       end
+
+       -- replace old doors of this type automatically
+       minetest.register_lbm({
+               name = ":doors:replace_" .. name:gsub(":", "_"),
+               nodenames = {name.."_b_1", name.."_b_2"},
+               action = function(pos, node)
+                       local l = tonumber(node.name:sub(-1))
+                       local meta = minetest.get_meta(pos)
+                       local h = meta:get_int("right") + 1
+                       local p2 = node.param2
+                       local replace = {
+                               {{type = "a", state = 0}, {type = "a", state = 3}},
+                               {{type = "b", state = 1}, {type = "b", state = 2}}
+                       }
+                       local new = replace[l][h]
+                       -- retain infotext and doors_owner fields
+                       minetest.swap_node(pos, {name = name .. "_" .. new.type, param2 = p2})
+                       meta:set_int("state", new.state)
+                       -- properly place doors:hidden at the right spot
+                       local p3 = p2
+                       if new.state >= 2 then
+                               p3 = (p3 + 3) % 4
+                       end
+                       if new.state % 2 == 1 then
+                               if new.state >= 2 then
+                                       p3 = (p3 + 1) % 4
+                               else
+                                       p3 = (p3 + 3) % 4
+                               end
+                       end
+                       -- wipe meta on top node as it's unused
+                       minetest.set_node({x = pos.x, y = pos.y + 1, z = pos.z},
+                               {name = "doors:hidden", param2 = p3})
+               end
+       })
+
+       minetest.register_craftitem(":" .. name, {
+               description = def.description,
+               inventory_image = def.inventory_image,
+
+               on_place = function(itemstack, placer, pointed_thing)
+                       local pos
+
+                       if not pointed_thing.type == "node" then
+                               return itemstack
+                       end
+
+                       local node = minetest.get_node(pointed_thing.under)
+                       local pdef = minetest.registered_nodes[node.name]
+                       if pdef and pdef.on_rightclick and
+                                       not placer:get_player_control().sneak then
+                               return pdef.on_rightclick(pointed_thing.under,
+                                               node, placer, itemstack, pointed_thing)
+                       end
+
+                       if pdef and pdef.buildable_to then
+                               pos = pointed_thing.under
+                       else
+                               pos = pointed_thing.above
+                               node = minetest.get_node(pos)
+                               pdef = minetest.registered_nodes[node.name]
+                               if not pdef or not pdef.buildable_to then
+                                       return itemstack
+                               end
+                       end
+
+                       local above = {x = pos.x, y = pos.y + 1, z = pos.z}
+                       local top_node = minetest.get_node_or_nil(above)
+                       local topdef = top_node and minetest.registered_nodes[top_node.name]
 
-       local dir = placer:get_look_dir()
+                       if not topdef or not topdef.buildable_to then
+                               return itemstack
+                       end
 
-       if     round( dir.x ) == 1  then
-               newparam = WALLMX
-       elseif round( dir.x ) == -1 then
-               newparam = WALLPX
-       elseif round( dir.z ) == 1  then
-               newparam = WALLMZ
-       elseif round( dir.z ) == -1 then
-               newparam = WALLPZ
+                       local pn = placer:get_player_name()
+                       if minetest.is_protected(pos, pn) or minetest.is_protected(above, pn) then
+                               return itemstack
+                       end
+
+                       local dir = minetest.dir_to_facedir(placer:get_look_dir())
+
+                       local ref = {
+                               {x = -1, y = 0, z = 0},
+                               {x = 0, y = 0, z = 1},
+                               {x = 1, y = 0, z = 0},
+                               {x = 0, y = 0, z = -1},
+                       }
+
+                       local aside = {
+                               x = pos.x + ref[dir + 1].x,
+                               y = pos.y + ref[dir + 1].y,
+                               z = pos.z + ref[dir + 1].z,
+                       }
+
+                       local state = 0
+                       if minetest.get_item_group(minetest.get_node(aside).name, "door") == 1 then
+                               state = state + 2
+                               minetest.set_node(pos, {name = name .. "_b", param2 = dir})
+                               minetest.set_node(above, {name = "doors:hidden", param2 = (dir + 3) % 4})
+                       else
+                               minetest.set_node(pos, {name = name .. "_a", param2 = dir})
+                               minetest.set_node(above, {name = "doors:hidden", param2 = dir})
+                       end
+
+                       local meta = minetest.get_meta(pos)
+                       meta:set_int("state", state)
+
+                       if def.protected then
+                               meta:set_string("doors_owner", pn)
+                               meta:set_string("infotext", "Owned by " .. pn)
+                       end
+
+                       if not minetest.setting_getbool("creative_mode") then
+                               itemstack:take_item()
+                       end
+
+                       on_place_node(pos, minetest.get_node(pos),
+                               placer, node, itemstack, pointed_thing)
+
+                       return itemstack
+               end
+       })
+       def.inventory_image = nil
+
+       if def.recipe then
+               minetest.register_craft({
+                       output = name,
+                       recipe = def.recipe,
+               })
+       end
+       def.recipe = nil
+
+       if not def.sounds then
+               def.sounds = default.node_sound_wood_defaults()
+       end
+
+       if not def.sound_open then
+               def.sound_open = "doors_door_open"
+       end
+
+       if not def.sound_close then
+               def.sound_close = "doors_door_close"
+       end
+
+       def.groups.not_in_creative_inventory = 1
+       def.groups.door = 1
+       def.drop = name
+       def.door = {
+               name = name,
+               sounds = { def.sound_close, def.sound_open },
+       }
+
+       def.on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
+               _doors.door_toggle(pos, node, clicker)
+               return itemstack
+       end
+       def.after_dig_node = function(pos, node, meta, digger)
+               minetest.remove_node({x = pos.x, y = pos.y + 1, z = pos.z})
+               minetest.check_for_falling({x = pos.x, y = pos.y + 1, z = pos.z})
+       end
+       def.on_rotate = function(pos, node, user, mode, new_param2)
+               return false
        end
 
-       if und.name == 'air' then
-               minetest.env:add_node( pos,  { name = 'doors:door_wood_a_c', param2 = newparam } )
-               minetest.env:add_node( upos, { name = 'doors:door_wood_b_c', param2 = newparam } )
-       elseif abv.name == 'air' then
-               minetest.env:add_node( pos,  { name = 'doors:door_wood_b_c', param2 = newparam } )
-               minetest.env:add_node( apos, { name = 'doors:door_wood_a_c', param2 = newparam } )
+       if def.protected then
+               def.can_dig = can_dig_door
+               def.on_blast = function() end
+               def.on_key_use = function(pos, player)
+                       local door = doors.get(pos)
+                       door:toggle(player)
+               end
+               def.on_skeleton_key_use = function(pos, player, newsecret)
+                       local meta = minetest.get_meta(pos)
+                       local owner = meta:get_string("doors_owner")
+                       local pname = player:get_player_name()
+
+                       -- verify placer is owner of lockable door
+                       if owner ~= pname then
+                               minetest.record_protection_violation(pos, pname)
+                               minetest.chat_send_player(pname, "You do not own this locked door.")
+                               return nil
+                       end
+
+                       local secret = meta:get_string("key_lock_secret")
+                       if secret == "" then
+                               secret = newsecret
+                               meta:set_string("key_lock_secret", secret)
+                       end
+
+                       return secret, "a locked door", owner
+               end
        else
-               minetest.env:remove_node( pos )
-               placer:get_inventory():add_item( "main", 'doors:door_wood' )
-               minetest.chat_send_player( placer:get_player_name(), 'not enough space' )
+               def.on_blast = function(pos, intensity)
+                       minetest.remove_node(pos)
+                       -- hidden node doesn't get blasted away.
+                       minetest.remove_node({x = pos.x, y = pos.y + 1, z = pos.z})
+                       return {name}
+               end
        end
+
+       def.on_destruct = function(pos)
+               minetest.remove_node({x = pos.x, y = pos.y + 1, z = pos.z})
+       end
+
+       def.drawtype = "mesh"
+       def.paramtype = "light"
+       def.paramtype2 = "facedir"
+       def.sunlight_propagates = true
+       def.walkable = true
+       def.is_ground_content = false
+       def.buildable_to = false
+       def.selection_box = {type = "fixed", fixed = {-1/2,-1/2,-1/2,1/2,3/2,-6/16}}
+       def.collision_box = {type = "fixed", fixed = {-1/2,-1/2,-1/2,1/2,3/2,-6/16}}
+
+       def.mesh = "door_a.obj"
+       minetest.register_node(":" .. name .. "_a", def)
+
+       def.mesh = "door_b.obj"
+       minetest.register_node(":" .. name .. "_b", def)
+
+       _doors.registered_doors[name .. "_a"] = true
+       _doors.registered_doors[name .. "_b"] = true
 end
 
-local on_door_punched = function( pos, node, puncher )
-       if string.find( node.name, 'doors:door_wood' ) == nil then return end
-
-       local upos = { x = pos.x, y = pos.y - 1, z = pos.z }
-       local apos = { x = pos.x, y = pos.y + 1, z = pos.z }
-
-       if string.find( node.name, '_c', -2 ) ~= nil then
-               if     node.param2 == WALLPX then
-                       newparam = WALLMZ
-               elseif node.param2 == WALLMZ then
-                       newparam = WALLMX
-               elseif node.param2 == WALLMX then
-                       newparam = WALLPZ
-               elseif node.param2 == WALLPZ then
-                       newparam = WALLPX
+doors.register("door_wood", {
+               tiles = {{ name = "doors_door_wood.png", backface_culling = true }},
+               description = "Wooden Door",
+               inventory_image = "doors_item_wood.png",
+               groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
+               recipe = {
+                       {"group:wood", "group:wood"},
+                       {"group:wood", "group:wood"},
+                       {"group:wood", "group:wood"},
+               }
+})
+
+doors.register("door_steel", {
+               tiles = {{name = "doors_door_steel.png", backface_culling = true}},
+               description = "Steel Door",
+               inventory_image = "doors_item_steel.png",
+               protected = true,
+               groups = {cracky = 1, level = 2},
+               sounds = default.node_sound_metal_defaults(),
+               sound_open = "doors_steel_door_open",
+               sound_close = "doors_steel_door_close",
+               recipe = {
+                       {"default:steel_ingot", "default:steel_ingot"},
+                       {"default:steel_ingot", "default:steel_ingot"},
+                       {"default:steel_ingot", "default:steel_ingot"},
+               }
+})
+
+doors.register("door_glass", {
+               tiles = {"doors_door_glass.png"},
+               description = "Glass Door",
+               inventory_image = "doors_item_glass.png",
+               groups = {cracky=3, oddly_breakable_by_hand=3},
+               sounds = default.node_sound_glass_defaults(),
+               sound_open = "doors_glass_door_open",
+               sound_close = "doors_glass_door_close",
+               recipe = {
+                       {"default:glass", "default:glass"},
+                       {"default:glass", "default:glass"},
+                       {"default:glass", "default:glass"},
+               }
+})
+
+doors.register("door_obsidian_glass", {
+               tiles = {"doors_door_obsidian_glass.png"},
+               description = "Obsidian Glass Door",
+               inventory_image = "doors_item_obsidian_glass.png",
+               groups = {cracky=3},
+               sounds = default.node_sound_glass_defaults(),
+               sound_open = "doors_glass_door_open",
+               sound_close = "doors_glass_door_close",
+               recipe = {
+                       {"default:obsidian_glass", "default:obsidian_glass"},
+                       {"default:obsidian_glass", "default:obsidian_glass"},
+                       {"default:obsidian_glass", "default:obsidian_glass"},
+               },
+})
+
+-- Capture mods using the old API as best as possible.
+function doors.register_door(name, def)
+       if def.only_placer_can_open then
+               def.protected = true
+       end
+       def.only_placer_can_open = nil
+
+       local i = name:find(":")
+       local modname = name:sub(1, i - 1)
+       if not def.tiles then
+               if def.protected then
+                       def.tiles = {{name = "doors_door_steel.png", backface_culling = true}}
+               else
+                       def.tiles = {{name = "doors_door_wood.png", backface_culling = true}}
                end
-       elseif string.find( node.name, '_o', -2 ) ~= nil then
-               if     node.param2 == WALLMZ then
-                       newparam = WALLPX
-               elseif node.param2 == WALLMX then
-                       newparam = WALLMZ
-               elseif node.param2 == WALLPZ then
-                       newparam = WALLMX
-               elseif node.param2 == WALLPX then
-                       newparam = WALLPZ
+               minetest.log("warning", modname .. " registered door \"" .. name .. "\" " ..
+                               "using deprecated API method \"doors.register_door()\" but " ..
+                               "did not provide the \"tiles\" parameter. A fallback tiledef " ..
+                               "will be used instead.")
+       end
+
+       doors.register(name, def)
+end
+
+----trapdoor----
+
+function _doors.trapdoor_toggle(pos, node, clicker)
+       node = node or minetest.get_node(pos)
+       if clicker and not minetest.check_player_privs(clicker, "protection_bypass") then
+               -- is player wielding the right key?
+               local item = clicker:get_wielded_item()
+               local meta = minetest.get_meta(pos)
+               local owner = meta:get_string("doors_owner")
+               if item:get_name() == "default:key" then
+                       local key_meta = item:get_meta()
+                       local secret = meta:get_string("key_lock_secret")
+
+                       if key_meta:get_string("secret") == "" then
+                               key_meta:set_string("secret", minetest.parse_json(item:get_metadata()).secret)
+                       end
+
+                       if secret ~= key_meta:get_string("secret") then
+                               return false
+                       end
+
+               elseif owner ~= "" then
+                       if clicker:get_player_name() ~= owner then
+                               return false
+                       end
                end
        end
 
-       if ( node.name == 'doors:door_wood_a_c' ) then
-               minetest.env:add_node( pos,  { name = 'doors:door_wood_a_o', param2 = newparam } )
-               minetest.env:add_node( upos, { name = 'doors:door_wood_b_o', param2 = newparam } )
+       local def = minetest.registered_nodes[node.name]
 
-       elseif ( node.name == 'doors:door_wood_b_c' ) then
-               minetest.env:add_node( pos,  { name = 'doors:door_wood_b_o', param2 = newparam } )
-               minetest.env:add_node( apos, { name = 'doors:door_wood_a_o', param2 = newparam } )
+       if string.sub(node.name, -5) == "_open" then
+               minetest.sound_play(def.sound_close,
+                       {pos = pos, gain = 0.3, max_hear_distance = 10})
+               minetest.swap_node(pos, {name = string.sub(node.name, 1,
+                       string.len(node.name) - 5), param1 = node.param1, param2 = node.param2})
+       else
+               minetest.sound_play(def.sound_open,
+                       {pos = pos, gain = 0.3, max_hear_distance = 10})
+               minetest.swap_node(pos, {name = node.name .. "_open",
+                       param1 = node.param1, param2 = node.param2})
+       end
+end
 
-       elseif ( node.name == 'doors:door_wood_a_o' ) then
-               minetest.env:add_node( pos,  { name = 'doors:door_wood_a_c', param2 = newparam } )
-               minetest.env:add_node( upos, { name = 'doors:door_wood_b_c', param2 = newparam } )
+function doors.register_trapdoor(name, def)
+       if not name:find(":") then
+               name = "doors:" .. name
+       end
 
-       elseif ( node.name == 'doors:door_wood_b_o' ) then
-               minetest.env:add_node( pos,  { name = 'doors:door_wood_b_c', param2 = newparam } )
-               minetest.env:add_node( apos, { name = 'doors:door_wood_a_c', param2 = newparam } )
+       local name_closed = name
+       local name_opened = name.."_open"
 
+       def.on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
+               _doors.trapdoor_toggle(pos, node, clicker)
+               return itemstack
        end
+
+       -- Common trapdoor configuration
+       def.drawtype = "nodebox"
+       def.paramtype = "light"
+       def.paramtype2 = "facedir"
+       def.is_ground_content = false
+
+       if def.protected then
+               def.can_dig = can_dig_door
+               def.after_place_node = function(pos, placer, itemstack, pointed_thing)
+                       local pn = placer:get_player_name()
+                       local meta = minetest.get_meta(pos)
+                       meta:set_string("doors_owner", pn)
+                       meta:set_string("infotext", "Owned by "..pn)
+
+                       return minetest.setting_getbool("creative_mode")
+               end
+
+               def.on_blast = function() end
+               def.on_key_use = function(pos, player)
+                       local door = doors.get(pos)
+                       door:toggle(player)
+               end
+               def.on_skeleton_key_use = function(pos, player, newsecret)
+                       local meta = minetest.get_meta(pos)
+                       local owner = meta:get_string("doors_owner")
+                       local pname = player:get_player_name()
+
+                       -- verify placer is owner of lockable door
+                       if owner ~= pname then
+                               minetest.record_protection_violation(pos, pname)
+                               minetest.chat_send_player(pname, "You do not own this trapdoor.")
+                               return nil
+                       end
+
+                       local secret = meta:get_string("key_lock_secret")
+                       if secret == "" then
+                               secret = newsecret
+                               meta:set_string("key_lock_secret", secret)
+                       end
+
+                       return secret, "a locked trapdoor", owner
+               end
+       else
+               def.on_blast = function(pos, intensity)
+                       minetest.remove_node(pos)
+                       return {name}
+               end
+       end
+
+       if not def.sounds then
+               def.sounds = default.node_sound_wood_defaults()
+       end
+
+       if not def.sound_open then
+               def.sound_open = "doors_door_open"
+       end
+
+       if not def.sound_close then
+               def.sound_close = "doors_door_close"
+       end
+
+       local def_opened = table.copy(def)
+       local def_closed = table.copy(def)
+
+       def_closed.node_box = {
+               type = "fixed",
+               fixed = {-0.5, -0.5, -0.5, 0.5, -6/16, 0.5}
+       }
+       def_closed.selection_box = {
+               type = "fixed",
+               fixed = {-0.5, -0.5, -0.5, 0.5, -6/16, 0.5}
+       }
+       def_closed.tiles = {def.tile_front,
+                       def.tile_front .. '^[transformFY',
+                       def.tile_side, def.tile_side,
+                       def.tile_side, def.tile_side}
+
+       def_opened.node_box = {
+               type = "fixed",
+               fixed = {-0.5, -0.5, 6/16, 0.5, 0.5, 0.5}
+       }
+       def_opened.selection_box = {
+               type = "fixed",
+               fixed = {-0.5, -0.5, 6/16, 0.5, 0.5, 0.5}
+       }
+       def_opened.tiles = {def.tile_side, def.tile_side,
+                       def.tile_side .. '^[transform3',
+                       def.tile_side .. '^[transform1',
+                       def.tile_front .. '^[transform46',
+                       def.tile_front .. '^[transform6'}
+
+       def_opened.drop = name_closed
+       def_opened.groups.not_in_creative_inventory = 1
+
+       minetest.register_node(name_opened, def_opened)
+       minetest.register_node(name_closed, def_closed)
+
+       _doors.registered_trapdoors[name_opened] = true
+       _doors.registered_trapdoors[name_closed] = true
 end
 
-local on_door_digged = function( pos, node, digger )
-       local upos = { x = pos.x, y = pos.y - 1, z = pos.z }
-       local apos = { x = pos.x, y = pos.y + 1, z = pos.z }
+doors.register_trapdoor("doors:trapdoor", {
+       description = "Trapdoor",
+       inventory_image = "doors_trapdoor.png",
+       wield_image = "doors_trapdoor.png",
+       tile_front = "doors_trapdoor.png",
+       tile_side = "doors_trapdoor_side.png",
+       groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2, door = 1},
+})
+
+doors.register_trapdoor("doors:trapdoor_steel", {
+       description = "Steel Trapdoor",
+       inventory_image = "doors_trapdoor_steel.png",
+       wield_image = "doors_trapdoor_steel.png",
+       tile_front = "doors_trapdoor_steel.png",
+       tile_side = "doors_trapdoor_steel_side.png",
+       protected = true,
+       sounds = default.node_sound_metal_defaults(),
+       sound_open = "doors_steel_door_open",
+       sound_close = "doors_steel_door_close",
+       groups = {cracky = 1, level = 2, door = 1},
+})
+
+minetest.register_craft({
+       output = 'doors:trapdoor 2',
+       recipe = {
+               {'group:wood', 'group:wood', 'group:wood'},
+               {'group:wood', 'group:wood', 'group:wood'},
+               {'', '', ''},
+       }
+})
+
+minetest.register_craft({
+       output = 'doors:trapdoor_steel',
+       recipe = {
+               {'default:steel_ingot', 'default:steel_ingot'},
+               {'default:steel_ingot', 'default:steel_ingot'},
+       }
+})
 
-       if ( node.name == 'doors:door_wood_a_c' ) or ( node.name == 'doors:door_wood_a_o' ) then
-               minetest.env:remove_node( upos )
-       elseif ( node.name == 'doors:door_wood_b_c' ) or ( node.name == 'doors:door_wood_b_o' ) then
-               minetest.env:remove_node( apos )
+
+----fence gate----
+
+function doors.register_fencegate(name, def)
+       local fence = {
+               description = def.description,
+               drawtype = "mesh",
+               tiles = {def.texture},
+               paramtype = "light",
+               paramtype2 = "facedir",
+               sunlight_propagates = true,
+               is_ground_content = false,
+               drop = name .. "_closed",
+               connect_sides = {"left", "right"},
+               groups = def.groups,
+               sounds = def.sounds,
+               on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
+                       local node_def = minetest.registered_nodes[node.name]
+                       minetest.swap_node(pos, {name = node_def.gate, param2 = node.param2})
+                       minetest.sound_play(node_def.sound, {pos = pos, gain = 0.3,
+                               max_hear_distance = 8})
+                       return itemstack
+               end,
+               selection_box = {
+                       type = "fixed",
+                       fixed = {-1/2, -1/2, -1/4, 1/2, 1/2, 1/4},
+               },
+       }
+
+       if not fence.sounds then
+               fence.sounds = default.node_sound_wood_defaults()
        end
+
+       fence.groups.fence = 1
+
+       local fence_closed = table.copy(fence)
+       fence_closed.mesh = "doors_fencegate_closed.obj"
+       fence_closed.gate = name .. "_open"
+       fence_closed.sound = "doors_fencegate_open"
+       fence_closed.collision_box = {
+               type = "fixed",
+               fixed = {-1/2, -1/2, -1/4, 1/2, 1/2, 1/4},
+       }
+
+       local fence_open = table.copy(fence)
+       fence_open.mesh = "doors_fencegate_open.obj"
+       fence_open.gate = name .. "_closed"
+       fence_open.sound = "doors_fencegate_close"
+       fence_open.groups.not_in_creative_inventory = 1
+       fence_open.collision_box = {
+               type = "fixed",
+               fixed = {{-1/2, -1/2, -1/4, -3/8, 1/2, 1/4},
+                       {-1/2, -3/8, -1/2, -3/8, 3/8, 0}},
+       }
+
+       minetest.register_node(":" .. name .. "_closed", fence_closed)
+       minetest.register_node(":" .. name .. "_open", fence_open)
+
+       minetest.register_craft({
+               output = name .. "_closed",
+               recipe = {
+                       {"default:stick", def.material, "default:stick"},
+                       {"default:stick", def.material, "default:stick"}
+               }
+       })
 end
 
---------------------------------------------------------------------------------
+doors.register_fencegate("doors:gate_wood", {
+       description = "Wooden Fence Gate",
+       texture = "default_wood.png",
+       material = "default:wood",
+       groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2}
+})
+
+doors.register_fencegate("doors:gate_acacia_wood", {
+       description = "Acacia Fence Gate",
+       texture = "default_acacia_wood.png",
+       material = "default:acacia_wood",
+       groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2}
+})
 
-minetest.register_on_placenode( on_door_placed )
-minetest.register_on_punchnode( on_door_punched )
-minetest.register_on_dignode( on_door_digged )
+doors.register_fencegate("doors:gate_junglewood", {
+       description = "Junglewood Fence Gate",
+       texture = "default_junglewood.png",
+       material = "default:junglewood",
+       groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2}
+})
+
+doors.register_fencegate("doors:gate_pine_wood", {
+       description = "Pine Fence Gate",
+       texture = "default_pine_wood.png",
+       material = "default:pine_wood",
+       groups = {choppy = 3, oddly_breakable_by_hand = 2, flammable = 3}
+})
+
+doors.register_fencegate("doors:gate_aspen_wood", {
+       description = "Aspen Fence Gate",
+       texture = "default_aspen_wood.png",
+       material = "default:aspen_wood",
+       groups = {choppy = 3, oddly_breakable_by_hand = 2, flammable = 3}
+})
 
---------------------------------------------------------------------------------
 
+----fuels----
+
+minetest.register_craft({
+       type = "fuel",
+       recipe = "doors:trapdoor",
+       burntime = 7,
+})
+
+minetest.register_craft({
+       type = "fuel",
+       recipe = "doors:door_wood",
+       burntime = 14,
+})
+
+minetest.register_craft({
+       type = "fuel",
+       recipe = "doors:gate_wood_closed",
+       burntime = 7,
+})
+
+minetest.register_craft({
+       type = "fuel",
+       recipe = "doors:gate_acacia_wood_closed",
+       burntime = 8,
+})
+
+minetest.register_craft({
+       type = "fuel",
+       recipe = "doors:gate_junglewood_closed",
+       burntime = 9,
+})
+
+minetest.register_craft({
+       type = "fuel",
+       recipe = "doors:gate_pine_wood_closed",
+       burntime = 6,
+})
+
+minetest.register_craft({
+       type = "fuel",
+       recipe = "doors:gate_aspen_wood_closed",
+       burntime = 5,
+})