initial commit

depends.txt

@@ -0,0 +1 @@
+default

init.lua

@@ -0,0 +1,560 @@
+--GPLv3, derived from Travelnet by Sokomine
+local SPEED = 10
+local ACCEL = 1
+local VERSION = 5
+
+local elevator = {
+    motors = {},
+}
+local boxes = {}
+local formspecs = {}
+local elevator_file = minetest.get_worldpath() .. "/elevator"
+
+local function load_elevator()
+    local file = io.open(elevator_file)
+    if file then
+        elevator = minetest.deserialize(file:read("*all")) or {}
+        file:close()
+    end
+end
+
+local function save_elevator()
+    local f = io.open(elevator_file .. ".tmp", "w")
+    f:write(minetest.serialize(elevator))
+    f:close()
+    os.rename(elevator_file .. ".tmp", elevator_file)
+end
+
+load_elevator()
+
+local function phash(pos)
+    return minetest.pos_to_string(pos)
+end
+
+local function locate_motor(pos)
+    local p = vector.new(pos)
+    while true do
+        local node = technic.get_or_load_node(p) or technic.get_or_load_node(p)
+        if node.name == "elevator:elevator_on" or node.name == "elevator:elevator_off" then
+            p.y = p.y + 2
+        elseif node.name == "elevator:shaft" then
+            p.y = p.y + 1
+        elseif node.name == "elevator:motor" then
+            return phash(p)
+        else
+            return nil
+        end
+    end
+end
+
+local function build_motor(hash)
+    local need_saving = false
+    local motor = elevator.motors[hash]
+    if not motor then
+        return
+    end
+    local p = minetest.string_to_pos(hash)
+    local node = technic.get_or_load_node(p) or technic.get_or_load_node(p)
+    if node.name ~= "elevator:motor" then
+        return
+    end
+    p.y = p.y - 1
+    motor.elevators = {}
+    motor.pnames = {}
+    while true do
+        local node = technic.get_or_load_node(p) or technic.get_or_load_node(p)
+        if node.name == "elevator:shaft" then
+            p.y = p.y - 1
+        else
+            p.y = p.y - 1
+            local node = technic.get_or_load_node(p) or technic.get_or_load_node(p)
+            if node.name == "elevator:elevator_on" or node.name == "elevator:elevator_off" then
+                table.insert(motor.elevators, phash(p))
+                table.insert(motor.pnames, tostring(p.y))
+                p.y = p.y - 1
+                need_saving = true
+            else
+                break
+            end
+        end
+    end
+    for i,m in ipairs(motor.elevators) do
+        local tpnames = {}
+        local pos = minetest.string_to_pos(m)
+        local meta = minetest.get_meta(pos)
+        for ji,jv in ipairs(motor.pnames) do
+            if ji ~= i then
+                table.insert(tpnames, jv)
+            end
+        end
+        meta:set_string("elevator_formspec", "size[3,2]"
+            .."dropdown[0,0;3;target;"..table.concat(tpnames, ",")..";1]"
+            .."button_exit[0,1;3,1;go;Go]")
+        meta:set_int("version", VERSION)
+        if meta:get_string("motor") ~= hash then
+            build_motor(meta:get_string("motor"))
+        end
+        meta:set_string("motor", hash)
+    end
+    if need_saving then
+        save_elevator()
+    end
+end
+
+local function unbuild(pos, add)
+    local need_saving = false
+    local p = table.copy(pos)
+    p.y = p.y - 1
+    while true do
+        local node = technic.get_or_load_node(p) or technic.get_or_load_node(p)
+        if node.name == "elevator:shaft" then
+            p.y = p.y - 1
+        else
+            p.y = p.y - 1
+            local node = technic.get_or_load_node(p) or technic.get_or_load_node(p)
+            if node.name == "elevator:elevator_on" or node.name == "elevator:elevator_off" then
+                local meta = minetest.get_meta(p)
+                meta:set_string("motor", "")
+                p.y = p.y - 1
+            else
+                break
+            end
+        end
+    end
+    minetest.after(0.01, function(p2)
+        p2.y = p2.y + add
+        build_motor(locate_motor(p2))
+    end, table.copy(pos))
+end
+
+minetest.register_node("elevator:motor", {
+    description = "Elevator Motor",
+    tiles = { "technic_wrought_iron_block.png^homedecor_motor.png" },
+    groups = {cracky=1},
+    sounds = default.node_sound_stone_defaults(),
+    after_place_node = function(pos, placer, itemstack)
+        elevator.motors[phash(pos)] = {
+            elevators = {},
+            pnames = {},
+        }
+        save_elevator()
+        build_motor(phash(pos))
+    end,
+    on_destruct = function(pos)
+        if boxes[phash(pos)] then
+            boxes[phash(pos)]:remove()
+            boxes[phash(pos)] = nil
+        end
+        elevator.motors[phash(pos)] = nil
+        save_elevator()
+    end,
+})
+
+for _,mode in ipairs({"on", "off"}) do
+local nodename = "elevator:elevator_"..mode
+local on = (mode == "on")
+local box
+if on then
+    box = {
+
+        { 0.48, -0.5,-0.5,  0.5,  1.5, 0.5},
+        {-0.5 , -0.5, 0.48, 0.48, 1.5, 0.5},
+        {-0.5,  -0.5,-0.5 ,-0.48, 1.5, 0.5},
+
+        --groundplate to stand on
+        { -0.5,-0.5,-0.5,0.5,-0.48, 0.5},
+        { -0.5, 1.45,-0.5,0.5, 1.5, 0.5},
+    }
+else
+    box = {
+
+        { 0.48, -0.5,-0.5,  0.5,  1.5, 0.5},
+        {-0.5 , -0.5, 0.48, 0.48, 1.5, 0.5},
+        {-0.5,  -0.5,-0.5 ,-0.48, 1.5, 0.5},
+        {-0.5 , -0.5, -0.48, 0.5, 1.5, -0.5},
+        --{-0.5 , -0.5, -0.48, -0.4, 1.5, -0.5},
+        --{-0.2 , -0.5, -0.48, -0.1, 1.5, -0.5},
+        --{0.1 , -0.5, -0.48, 0.2, 1.5, -0.5},
+        --{0.4 , -0.5, -0.48, 0.5, 1.5, -0.5},
+
+        --groundplate to stand on
+        { -0.5,-0.5,-0.5,0.5,-0.48, 0.5},
+        { -0.5, 1.45,-0.5,0.5, 1.5, 0.5},
+    }
+end
+minetest.register_node(nodename, {
+    description = "Elevator",
+    drawtype = (on and "mesh" or "nodebox"),
+    mesh = "travelnet_elevator.obj",
+    --drawtype = "nodebox",
+    sunlight_propagates = false,
+    paramtype = 'light',
+    paramtype2 = "facedir",
+    --wield_scale = {x=0.6, y=0.6, z=0.6},
+
+    selection_box = {
+            type = "fixed",
+            fixed = { -0.5, -0.5, -0.5, 0.5, 1.5, 0.5 }
+    },
+
+    collision_box = {
+            type = "fixed",
+            fixed = box,
+    },
+
+    node_box = {
+            type = "fixed",
+            fixed = box,
+    },
+
+    tiles = on and {
+            "elevator_box.png",
+            "elevator_box.png",
+            "elevator_box.png",
+            "elevator_box.png",
+            "default_steel_block.png",
+            "default_steel_block.png",
+    } or {
+            "elevator_box.png",
+            "elevator_box.png",
+            "elevator_box.png",
+            "elevator_box.png",
+            "elevator_box.png",
+            "elevator_box.png",
+    },
+    --inventory_image = "travelnet_elevator_inv.png",
+    groups = {cracky=1, choppy=1, snappy=1},
+    drop = "elevator:elevator_off",
+
+    light_source = (on and 4 or nil),
+
+    after_place_node  = function(pos, placer, itemstack)
+        local meta = minetest.get_meta(pos)
+        meta:set_int("version", VERSION)
+        local p = {x=pos.x, y=pos.y+1, z=pos.z}
+        local p2 = minetest.dir_to_facedir(placer:get_look_dir())
+        minetest.set_node(p, {name="homedecor:expansion_placeholder", paramtype2="facedir", param2=p2})
+        local motor = locate_motor(pos)
+        if motor then
+            build_motor(motor)
+        end
+    end,
+
+    after_dig_node = function(pos, node, meta, digger)
+        unbuild(pos, 2)
+    end,
+
+    on_place = function(itemstack, placer, pointed_thing)
+       local pos  = pointed_thing.above
+       local node = minetest.get_node({x=pos.x, y=pos.y+1, z=pos.z})
+       if( node ~= nil and node.name ~= "air" and node.name ~= 'homedecor:expansion_placeholder') then
+          return
+       end
+       return minetest.item_place(itemstack, placer, pointed_thing);
+    end,
+
+    on_rightclick = function(pos, node, sender)
+        local meta = minetest.get_meta(pos)
+        if on then
+            if vector.distance(sender:get_pos(), pos) > 1 or minetest.get_node(sender:get_pos()).name ~= nodename then
+                minetest.chat_send_player(sender:get_player_name(), "You are not inside the booth.")
+                return
+            end
+            formspecs[sender:get_player_name()] = pos
+            minetest.show_formspec(sender:get_player_name(), "elevator:elevator", meta:get_string("elevator_formspec"))
+        elseif not elevator.motors[meta:get_string("motor")] then
+            minetest.chat_send_player(sender:get_player_name(), "This elevator is inactive.")
+        elseif boxes[meta:get_string("motor")] then
+            minetest.chat_send_player(sender:get_player_name(), "This elevator is in use.")
+        end
+    end,
+
+    on_destruct = function(pos)
+        local p = {x=pos.x, y=pos.y+1, z=pos.z}
+        minetest.remove_node(p)
+    end,
+})
+end
+
+minetest.register_on_player_receive_fields(function(sender, formname, fields)
+    if formname ~= "elevator:elevator" then
+        return
+    end
+    local pos = formspecs[sender:get_player_name()]
+    if not pos then
+        return
+    end
+    if fields.go then
+        local meta = minetest.get_meta(pos)
+        local motorhash = meta:get_string("motor")
+        local motor = elevator.motors[motorhash]
+        if not motor then
+            motorhash = locate_motor(pos)
+            motor = elevator.motors[motorhash]
+            if motor then
+                meta:set_string("motor", "")
+                build_motor(motorhash)
+                minetest.chat_send_player(sender:get_player_name(), "Recalibrated to a new motor, please try again.")
+                return true
+            end
+        end
+        if not motor then
+            minetest.chat_send_player(sender:get_player_name(), "This elevator is not attached to a motor.")
+            return true
+        end
+        local target = nil
+        for i,v in ipairs(motor.pnames) do
+            if v == fields.target then
+                target = minetest.string_to_pos(motor.elevators[i])
+            end
+        end
+        if target then
+            if boxes[motorhash] then
+                minetest.chat_send_player(sender:get_player_name(), "This elevator is in use.")
+                return true
+            end
+            local obj = minetest.add_entity(pos, "elevator:box")
+            obj:set_pos(pos)
+            sender:set_pos(pos)
+            sender:set_attach(obj, "", {x=0, y=0, z=0}, {x=0, y=0, z=0})
+            sender:set_eye_offset({x=0, y=-9, z=0},{x=0, y=-9, z=0})
+            obj:get_luaentity().motor = motorhash
+            obj:get_luaentity().attached = sender:get_player_name()
+            obj:get_luaentity().start = pos
+            obj:get_luaentity().target = target
+            obj:get_luaentity().halfway = {x=pos.x, y=(pos.y+target.y)/2, z=pos.z}
+            obj:get_luaentity().vmult = (target.y < pos.y) and -1 or 1
+            obj:setvelocity({x=0, y=SPEED*obj:get_luaentity().vmult, z=0})
+            obj:setacceleration({x=0, y=ACCEL*obj:get_luaentity().vmult, z=0})
+            boxes[motorhash] = obj
+        else
+            minetest.chat_send_player(sender:get_player_name(), "This target is invalid.")
+            return true
+        end
+        return true
+    end
+    return true
+end)
+
+minetest.register_alias("elevator:elevator", "elevator:elevator_off")
+
+local offabm = function(pos, node)
+    local meta = minetest.get_meta(pos)
+    if meta:get_int("version") ~= VERSION then
+        minetest.log("action", "[elevator] Updating elevator with old version at "..minetest.pos_to_string(pos))
+        minetest.after(0, function(pos) build_motor(locate_motor(pos)) end, pos)
+        meta:set_int("version", VERSION)
+        meta:set_string("formspec", "")
+    end
+    if not boxes[meta:get_string("motor")] and elevator.motors[meta:get_string("motor")] then
+        node.name = "elevator:elevator_on"
+        minetest.swap_node(pos, node)
+    end
+end
+
+minetest.register_abm({
+    nodenames = {"elevator:elevator_off"},
+    interval = 1,
+    chance = 1,
+    action = offabm,
+})
+
+minetest.register_abm({
+    nodenames = {"elevator:elevator_on"},
+    interval = 1,
+    chance = 1,
+    action = function(pos, node)
+        local meta = minetest.get_meta(pos)
+        if meta:get_int("version") ~= VERSION then
+            minetest.log("action", "[elevator] Updating elevator with old version at "..minetest.pos_to_string(pos))
+            minetest.after(0, function(pos) build_motor(locate_motor(pos)) end, pos)
+            meta:set_int("version", VERSION)
+            meta:set_string("formspec", "")
+        end
+        if boxes[meta:get_string("motor")] or not elevator.motors[meta:get_string("motor")] then
+            node.name = "elevator:elevator_off"
+            minetest.swap_node(pos, node)
+        end
+    end,
+})
+
+minetest.register_node("elevator:shaft", {
+    description = "Elevator Shaft",
+    tiles = { "elevator_shaft.png" },
+    drawtype = "nodebox",
+    paramtype = "light",
+    sunlight_propagates = true,
+    groups = {cracky=2, oddly_breakable_by_hand=1},
+    sounds = default.node_sound_stone_defaults(),
+    node_box = {
+        type = "fixed",
+        fixed = {
+            {-8/16,-8/16,-8/16,-7/16,8/16,8/16},
+            {7/16,-8/16,-8/16,8/16,8/16,8/16},
+            {-7/16,-8/16,-8/16,7/16,8/16,-7/16},
+            {-7/16,-8/16,8/16,7/16,8/16,7/16},
+        },
+    },
+    collisionbox = {
+        type = "fixed",
+        fixed = {
+            {-8/16,-8/16,-8/16,-7/16,8/16,8/16},
+            {7/16,-8/16,-8/16,8/16,8/16,8/16},
+            {-7/16,-8/16,-8/16,7/16,8/16,-7/16},
+            {-7/16,-8/16,8/16,7/16,8/16,7/16},
+        },
+    },
+    after_place_node = function(pos)
+        build_motor(locate_motor(pos))
+    end,
+    on_destruct = function(pos)
+        unbuild(pos, 1)
+    end,
+})
+
+local box = {
+    { 0.48, -0.5,-0.5,  0.5,  1.5, 0.5},
+    {-0.5 , -0.5, 0.48, 0.48, 1.5, 0.5},
+    {-0.5,  -0.5,-0.5 ,-0.48, 1.5, 0.5},
+    {-0.5 , -0.5, -0.48, 0.5, 1.5, -0.5},
+    --{-0.5 , -0.5, -0.48, -0.4, 1.5, -0.5},
+    --{-0.2 , -0.5, -0.48, -0.1, 1.5, -0.5},
+    --{0.1 , -0.5, -0.48, 0.2, 1.5, -0.5},
+    --{0.4 , -0.5, -0.48, 0.5, 1.5, -0.5},
+
+    --groundplate to stand on
+    { -0.5,-0.5,-0.5,0.5,-0.48, 0.5},
+    { -0.5, 1.45,-0.5,0.5, 1.5, 0.5},
+}
+
+minetest.register_node("elevator:elevator_box", {
+    description = "Elevator",
+    drawtype = ("nodebox"),
+    paramtype = 'light',
+    paramtype2 = "facedir",
+    wield_scale = {x=0.6, y=0.6, z=0.6},
+
+    selection_box = {
+            type = "fixed",
+            fixed = { -0.5, -0.5, -0.5, 0.5, 1.5, 0.5 }
+    },
+
+    collision_box = {
+            type = "fixed",
+            fixed = box,
+    },
+
+    node_box = {
+            type = "fixed",
+            fixed = box,
+    },
+
+    tiles = {
+            "default_steel_block.png",
+            "default_steel_block.png",
+            "elevator_box.png",
+            "elevator_box.png",
+            "elevator_box.png",
+            "elevator_box.png",
+    },
+    groups = {not_in_creative_inventory = 1},
+
+    light_source = 4,
+})
+
+local box_entity = {
+    physical = false,
+    --collisionbox = {-0.5, -0.5, -0.5, 0.5, 0.5, 0.5},
+    collisionbox = {0,0,0,0,0,0},
+    visual = "wielditem",
+    mesh = "carts_cart.b3d",
+    visual_size = {x=1, y=1},
+    textures = {"elevator:elevator_box"},
+
+    attached = "",
+    motor = false,
+    target = false,
+
+    start = false,
+    lastpos = false,
+    halfway = false,
+    vmult = 0,
+
+    on_activate = function(self)
+        self.object:set_armor_groups({immortal=1})
+    end,
+
+    on_step = function(self, dtime)
+        if not minetest.get_player_by_name(self.attached) then
+            self.object:remove()
+            boxes[self.motor] = nil
+            return
+        end
+        local pos = self.object:getpos()
+        self.lastpos = self.lastpos or pos
+        for y=self.lastpos.y,pos.y,((self.lastpos.y > pos.y) and -1 or 1) do
+            local p = vector.round({x=pos.x, y=y, z=pos.z})
+            --local above = vector.add(p, {x=0,y=1,z=0})
+            local below = vector.add(p, {x=0,y=-1,z=0})
+            local node = technic.get_or_load_node(p) or technic.get_or_load_node(p)
+            if node.name == "elevator:shaft" then
+                -- Nothing
+            elseif node.name == "elevator:elevator_on" or node.name == "elevator:elevator_off" then
+                if vector.distance(p, self.target) < 1 then
+                    self.object:remove()
+                    minetest.get_player_by_name(self.attached):set_detach()
+                    minetest.get_player_by_name(self.attached):set_pos(vector.add(self.target, {x=0, y=-0.4, z=0}))
+                    minetest.get_player_by_name(self.attached):set_eye_offset({x=0, y=0, z=0},{x=0, y=0, z=0})
+                    boxes[self.motor] = nil
+                    offabm(self.target, node)
+                    return
+                end
+            else
+                --local abovenode = technic.get_or_load_node(above) or technic.get_or_load_node(above)
+                local belownode = technic.get_or_load_node(below) or technic.get_or_load_node(below)
+                if belownode.name ~= "elevator:elevator_on" and belownode.name ~= "elevator:elevator_off" then
+                    boxes[self.motor] = nil
+                    self.object:remove()
+                    minetest.get_player_by_name(self.attached):set_eye_offset({x=0, y=0, z=0},{x=0, y=0, z=0})
+                    return
+                end
+            end
+        end
+        self.lastpos = pos
+        if vector.distance(pos, self.target) < 32 and self.object:getvelocity().y > SPEED/2 then
+            self.object:setacceleration({x=0, y=((SPEED)*self.vmult*-1), z=0})
+        elseif self.object:getvelocity().y > SPEED and vector.distance(pos, self.target) < math.min(100, vector.distance(pos, self.start)) then
+            self.object:setacceleration({x=0, y=((SPEED/10)*self.vmult*-1), z=0})
+        elseif self.object:getvelocity().y <= SPEED/1.5 then
+            self.object:setacceleration({x=0, y=((SPEED/10)*self.vmult), z=0})
+        end
+    end,
+}
+
+minetest.register_entity("elevator:box", box_entity)
+
+minetest.register_craft({
+    output = "elevator:elevator",
+    recipe = {
+        {"technic:cast_iron_ingot", "chains:chain", "technic:cast_iron_ingot"},
+        {"technic:cast_iron_ingot", "default:mese_crystal", "technic:cast_iron_ingot"},
+        {"technic:stainless_steel_ingot", "default:glass", "technic:stainless_steel_ingot"},
+    },
+})
+
+minetest.register_craft({
+    output = "elevator:shaft",
+    recipe = {
+        {"technic:cast_iron_ingot", "default:glass"},
+        {"default:glass", "homedecor:chainlink_steel"},
+    },
+})
+
+minetest.register_craft({
+    output = "elevator:motor",
+    recipe = {
+        {"default:diamond", "technic:control_logic_unit", "default:diamond"},
+        {"default:steelblock", "technic:motor", "default:steelblock"},
+        {"chains:chain", "default:diamond", "chains:chain"}
+    },
+})

models/elevator_shaft.obj

@@ -0,0 +1,194 @@
+# Blender v2.76 (sub 0) OBJ File: 'elevator_shaft.blend'
+# www.blender.org
+o Cube.011_Cube.002
+v -0.220327 -0.438894 0.489317
+v -0.220327 0.511106 0.489317
+v -0.362827 -0.438894 0.489317
+v -0.362827 0.511106 0.489317
+v -0.220327 -0.438894 0.441817
+v -0.220327 0.511106 0.441817
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models/travelnet_elevator.obj

@@ -0,0 +1,64 @@
+# Blender v2.73 (sub 0) OBJ File: 'travelnet_elevator.blend'
+# www.blender.org
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