From da66780a569712c23ae4f2996cfb4608a9f9d69d Mon Sep 17 00:00:00 2001 From: Vanessa Ezekowitz Date: Fri, 1 Apr 2016 20:02:19 -0400 Subject: copy all standard Dreambuilder mods in from the old subgame (exactly as last supplied there, updates to these mods will follow later) --- pipeworks/teleport_tube.lua | 242 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 242 insertions(+) create mode 100644 pipeworks/teleport_tube.lua (limited to 'pipeworks/teleport_tube.lua') diff --git a/pipeworks/teleport_tube.lua b/pipeworks/teleport_tube.lua new file mode 100644 index 0000000..3a870f5 --- /dev/null +++ b/pipeworks/teleport_tube.lua @@ -0,0 +1,242 @@ +local filename=minetest.get_worldpath() .. "/teleport_tubes" + +local tp_tube_db = nil -- nil forces a read +local tp_tube_db_version = 2.0 + +local function hash(pos) + return string.format("%d", minetest.hash_node_position(pos)) +end + +local function save_tube_db() + local file, err = io.open(filename, "w") + if file then + tp_tube_db.version = tp_tube_db_version + file:write(minetest.serialize(tp_tube_db)) + tp_tube_db.version = nil + io.close(file) + else + error(err) + end +end + +local function migrate_tube_db() + local tmp_db = {} + tp_tube_db.version = nil + for key, val in pairs(tp_tube_db) do + if(val.channel ~= "") then -- skip unconfigured tubes + tmp_db[hash(val)] = val + end + end + tp_tube_db = tmp_db + save_tube_db() +end + +local function read_tube_db() + local file = io.open(filename, "r") + if file ~= nil then + local file_content = file:read("*all") + io.close(file) + + if file_content and file_content ~= "" then + tp_tube_db = minetest.deserialize(file_content) + if(not tp_tube_db.version or tonumber(tp_tube_db.version) < tp_tube_db_version) then + migrate_tube_db() + end + tp_tube_db.version = nil -- we add it back when saving + return tp_tube_db -- we read sucessfully + end + end + tp_tube_db = {} + return tp_tube_db +end + +-- updates or adds a tube +local function set_tube(pos, channel, can_receive) + local tubes = tp_tube_db or read_tube_db() + local hash = hash(pos) + local tube = tubes[hash] + if tube then + tube.channel = channel + tube.cr = can_receive + save_tube_db() + return + end + + -- we haven't found any tp tube to update, so lets add it + tp_tube_db[hash] = {x=pos.x,y=pos.y,z=pos.z,channel=channel,cr=can_receive} + save_tube_db() +end + +local function remove_tube(pos) + local tubes = tp_tube_db or read_tube_db() + tubes[hash(pos)] = nil + save_tube_db() +end + +local function read_node_with_vm(pos) + local vm = VoxelManip() + local MinEdge, MaxEdge = vm:read_from_map(pos, pos) + local data = vm:get_data() + local area = VoxelArea:new({MinEdge = MinEdge, MaxEdge = MaxEdge}) + return minetest.get_name_from_content_id(data[area:index(pos.x, pos.y, pos.z)]) +end + +local function get_receivers(pos, channel) + local tubes = tp_tube_db or read_tube_db() + local receivers = {} + local dirty = false + for key, val in pairs(tubes) do + -- skip all non-receivers and the tube that it came from as early as possible, as this is called often + if (val.cr == 1 and val.channel == channel and (val.x ~= pos.x or val.y ~= pos.y or val.z ~= pos.z)) then + local is_loaded = (minetest.get_node_or_nil(val) ~= nil) + local node_name = is_loaded and minetest.get_node(pos).name or read_node_with_vm(val) + + if minetest.registered_nodes[node_name] and minetest.registered_nodes[node_name].is_teleport_tube then + table.insert(receivers, val) + else + tp_tube_db[key] = nil + dirty = true + end + end + end + if dirty then + save_tube_db() + end + return receivers +end + +local function update_meta(meta, can_receive) + meta:set_int("can_receive", can_receive and 1 or 0) + local cr_state = can_receive and "on" or "off" + meta:set_string("formspec","size[8.6,2.2]".. + "field[0.6,0.6;7,1;channel;Channel:;${channel}]".. + "label[7.3,0;Receive]".. + "image_button[7.3,0.3;1,1;pipeworks_button_" .. cr_state .. ".png;cr" .. (can_receive and 0 or 1) .. ";;;false;pipeworks_button_interm.png]".. + "image[0.3,1.3;1,1;pipeworks_teleport_tube_inv.png]".. + "label[1.6,1.2;channels are public by default]" .. + "label[1.6,1.5;use : for fully private channels]" .. + "label[1.6,1.8;use \\; for private receivers]" .. + default.gui_bg.. + default.gui_bg_img) +end + +pipeworks.register_tube("pipeworks:teleport_tube", { + description = "Teleporting Pneumatic Tube Segment", + inventory_image = "pipeworks_teleport_tube_inv.png", + noctr = { "pipeworks_teleport_tube_noctr.png" }, + plain = { "pipeworks_teleport_tube_plain.png" }, + ends = { "pipeworks_teleport_tube_end.png" }, + short = "pipeworks_teleport_tube_short.png", + node_def = { + is_teleport_tube = true, + tube = { + can_go = function(pos,node,velocity,stack) + velocity.x = 0 + velocity.y = 0 + velocity.z = 0 + + local channel = minetest.get_meta(pos):get_string("channel") + if channel == "" then return {} end + + local target = get_receivers(pos, channel) + if target[1] == nil then return {} end + + local d = math.random(1,#target) + pos.x = target[d].x + pos.y = target[d].y + pos.z = target[d].z + return pipeworks.meseadjlist + end + }, + on_construct = function(pos) + local meta = minetest.get_meta(pos) + update_meta(meta, true) + meta:set_string("infotext", "unconfigured Teleportation Tube") + end, + on_receive_fields = function(pos,formname,fields,sender) + if not fields.channel -- ignore escaping or clientside manipulation of the form + or not pipeworks.may_configure(pos, sender) then + return + end + local new_channel = tostring(fields.channel):trim() + + local meta = minetest.get_meta(pos) + local can_receive = meta:get_int("can_receive") + + -- check for private channels each time before actually changing anything + -- to not even allow switching between can_receive states of private channels + if new_channel ~= "" then + local sender_name = sender:get_player_name() + local name, mode = new_channel:match("^([^:;]+)([:;])") + if name and mode and name ~= sender_name then + --channels starting with '[name]:' can only be used by the named player + if mode == ":" then + minetest.chat_send_player(sender_name, "Sorry, channel '"..new_channel.."' is reserved for exclusive use by "..name) + return + + --channels starting with '[name];' can be used by other players, but cannot be received from + elseif mode == ";" and (fields.cr1 or (can_receive ~= 0 and not fields.cr0)) then + minetest.chat_send_player(sender_name, "Sorry, receiving from channel '"..new_channel.."' is reserved for "..name) + return + end + end + end + + local dirty = false + + -- was the channel changed? + local channel = meta:get_string("channel") + if new_channel ~= channel then + channel = new_channel + meta:set_string("channel", channel) + dirty = true + end + + -- test if a can_receive button was pressed + if fields.cr0 and can_receive ~= 0 then + can_receive = 0 + update_meta(meta, false) + dirty = true + elseif fields.cr1 and can_receive ~= 1 then + can_receive = 1 + update_meta(meta, true) + dirty = true + end + + -- save if we changed something, handle the empty channel while we're at it + if dirty then + if channel ~= "" then + set_tube(pos, channel, can_receive) + local cr_description = (can_receive == 1) and "sending and receiving" or "sending" + meta:set_string("infotext", string.format("Teleportation Tube %s on '%s'", cr_description, channel)) + else + -- remove empty channel tubes, to not have to search through them + remove_tube(pos) + meta:set_string("infotext", "unconfigured Teleportation Tube") + end + end + end, + on_destruct = function(pos) + remove_tube(pos) + end + }, +}) +minetest.register_craft( { + output = "pipeworks:teleport_tube_1 2", + recipe = { + { "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" }, + { "default:desert_stone", "default:mese", "default:desert_stone" }, + { "homedecor:plastic_sheeting", "homedecor:plastic_sheeting", "homedecor:plastic_sheeting" } + }, +}) + +if minetest.get_modpath("mesecons_mvps") ~= nil then + mesecon.register_on_mvps_move(function(moved_nodes) + for _, n in ipairs(moved_nodes) do + if string.find(n.node.name, "pipeworks:teleport_tube") ~= nil then + local meta = minetest.get_meta(n.pos) + set_tube(n.pos, meta:get_string("channel"), meta:get_int("can_receive")) + end + end + end) +end -- cgit v1.2.3