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-- Tracks for loading and unloading trains
-- Copyright (C) 2017 Gabriel Pérez-Cerezo <gabriel@gpcf.eu>
local function get_far_node(pos)
local node = minetest.get_node(pos)
if node.name == "ignore" then
minetest.get_voxel_manip():read_from_map(pos, pos)
node = minetest.get_node(pos)
end
return node
end
local function train_load(pos, train_id, unload)
local train=advtrains.trains[train_id]
local below = get_far_node({x=pos.x, y=pos.y-1, z=pos.z})
if not string.match(below.name, "chest") then
atprint("this is not a chest! at "..minetest.pos_to_string(pos))
return
end
local inv = minetest.get_inventory({type="node", pos={x=pos.x, y=pos.y-1, z=pos.z}})
if inv and train.velocity < 2 then
for k, v in ipairs(train.trainparts) do
local i=minetest.get_inventory({type="detached", name="advtrains_wgn_"..v})
if i then
if not unload then
for _, item in ipairs(inv:get_list("main")) do
if i:get_list("box") and i:room_for_item("box", item) then
i:add_item("box", item)
inv:remove_item("main", item)
end
end
else
for _, item in ipairs(i:get_list("box")) do
if inv:get_list("main") and inv:room_for_item("main", item) then
i:remove_item("box", item)
inv:add_item("main", item)
end
end
end
end
end
end
end
advtrains.register_tracks("default", {
nodename_prefix="advtrains:dtrack_unload",
texture_prefix="advtrains_dtrack_unload",
models_prefix="advtrains_dtrack",
models_suffix=".b3d",
shared_texture="advtrains_dtrack_shared_unload.png",
description=attrans("Unloading Track"),
formats={},
get_additional_definiton = function(def, preset, suffix, rotation)
return {
after_dig_node=function(pos)
advtrains.invalidate_all_paths()
advtrains.ndb.clear(pos)
-- local pts=minetest.pos_to_string(pos)
-- atc.controllers[pts]=nil
end,
-- on_receive_fields = function(pos, formname, fields, player)
-- if minetest.is_protected(pos, player:get_player_name()) then
-- minetest.chat_send_player(player:get_player_name(), attrans("This position is protected!"))
-- return
-- end
-- end,
advtrains = {
on_train_enter = function(pos, train_id)
train_load(pos, train_id, true)
end,
},
}
end
}, advtrains.trackpresets.t_30deg_straightonly)
advtrains.register_tracks("default", {
nodename_prefix="advtrains:dtrack_load",
texture_prefix="advtrains_dtrack_load",
models_prefix="advtrains_dtrack",
models_suffix=".b3d",
shared_texture="advtrains_dtrack_shared_load.png",
description=attrans("Loading Track"),
formats={},
get_additional_definiton = function(def, preset, suffix, rotation)
return {
after_dig_node=function(pos)
advtrains.invalidate_all_paths()
advtrains.ndb.clear(pos)
end,
advtrains = {
on_train_enter = function(pos, train_id)
train_load(pos, train_id, false)
end,
},
}
end
}, advtrains.trackpresets.t_30deg_straightonly)
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