forked from mtcontrib/pipeworks
488 lines
15 KiB
Lua
Executable File
488 lines
15 KiB
Lua
Executable File
local function delay(x)
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return (function() return x end)
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end
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function pipeworks.tube_item(pos, item)
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error("obsolete pipeworks.tube_item() called; change caller to use pipeworks.tube_inject_item() instead")
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end
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function pipeworks.tube_inject_item(pos, start_pos, velocity, item)
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-- Take item in any format
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local stack = ItemStack(item)
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local obj = luaentity.add_entity(pos, "pipeworks:tubed_item")
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obj:set_item(stack:to_string())
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obj.start_pos = vector.new(start_pos)
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obj:setvelocity(velocity)
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--obj:set_color("red") -- todo: this is test-only code
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return obj
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end
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-- adding two tube functions
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-- can_remove(pos,node,stack,dir) returns the maximum number of items of that stack that can be removed
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-- remove_items(pos,node,stack,dir,count) removes count items and returns them
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-- both optional w/ sensible defaults and fallback to normal allow_* function
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-- XXX: possibly change insert_object to insert_item
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local function set_filter_infotext(data, meta)
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local infotext = data.wise_desc.." Filter-Injector"
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if meta:get_int("slotseq_mode") == 2 then
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infotext = infotext .. " (slot #"..meta:get_int("slotseq_index").." next)"
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end
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meta:set_string("infotext", infotext)
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end
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local function set_filter_formspec(data, meta)
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local itemname = data.wise_desc.." Filter-Injector"
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local formspec = "size[8,8.5]"..
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"item_image[0,0;1,1;pipeworks:"..data.name.."]"..
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"label[1,0;"..minetest.formspec_escape(itemname).."]"..
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"label[0,1;Prefer item types:]"..
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"list[current_name;main;0,1.5;8,2;]"..
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fs_helpers.cycling_button(meta, "button[0,3.5;4,1", "slotseq_mode",
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{"Sequence slots by Priority",
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"Sequence slots Randomly",
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"Sequence slots by Rotation"})..
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"list[current_player;main;0,4.5;8,4;]"
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meta:set_string("formspec", formspec)
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end
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-- todo SOON: this function has *way too many* parameters
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local function grabAndFire(data,slotseq_mode,filtmeta,frominv,frominvname,frompos,fromnode,filtername,fromtube,fromdef,dir,fakePlayer,all)
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local sposes = {}
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for spos,stack in ipairs(frominv:get_list(frominvname)) do
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local matches
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if filtername == "" then
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matches = stack:get_name() ~= ""
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else
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matches = stack:get_name() == filtername
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end
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if matches then table.insert(sposes, spos) end
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end
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if #sposes == 0 then return false end
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if slotseq_mode == 1 then
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for i = #sposes, 2, -1 do
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local j = math.random(i)
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local t = sposes[j]
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sposes[j] = sposes[i]
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sposes[i] = t
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end
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elseif slotseq_mode == 2 then
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local headpos = filtmeta:get_int("slotseq_index")
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table.sort(sposes, function (a, b)
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if a >= headpos then
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if b < headpos then return true end
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else
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if b >= headpos then return false end
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end
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return a < b
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end)
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end
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for _, spos in ipairs(sposes) do
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local stack = frominv:get_stack(frominvname, spos)
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local doRemove = stack:get_count()
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if fromtube.can_remove then
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doRemove = fromtube.can_remove(frompos, fromnode, stack, dir)
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elseif fromdef.allow_metadata_inventory_take then
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doRemove = fromdef.allow_metadata_inventory_take(frompos, frominvname,spos, stack, fakePlayer)
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end
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-- stupid lack of continue statements grumble
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if doRemove > 0 then
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if slotseq_mode == 2 then
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local nextpos = spos + 1
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if nextpos > frominv:get_size(frominvname) then
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nextpos = 1
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end
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filtmeta:set_int("slotseq_index", nextpos)
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set_filter_infotext(data, filtmeta)
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end
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local item
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local count
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if all then
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count = math.min(stack:get_count(), doRemove)
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else
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count = 1
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end
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if fromtube.remove_items then
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-- it could be the entire stack...
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item = fromtube.remove_items(frompos, fromnode, stack, dir, count)
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else
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item = stack:take_item(count)
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frominv:set_stack(frominvname, spos, stack)
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if fromdef.on_metadata_inventory_take then
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fromdef.on_metadata_inventory_take(frompos, frominvname, spos, item, fakePlayer)
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end
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end
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local pos = vector.add(frompos, vector.multiply(dir, 1.4))
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local start_pos = vector.add(frompos, dir)
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local item1 = pipeworks.tube_inject_item(pos, start_pos, dir, item)
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return true-- only fire one item, please
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end
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end
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return false
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end
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local function punch_filter(data, filtpos, filtnode)
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local filtmeta = minetest.get_meta(filtpos)
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local filtinv = filtmeta:get_inventory()
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local owner = filtmeta:get_string("owner")
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local fakePlayer = {
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get_player_name = delay(owner),
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} -- TODO: use a mechanism as the wielder one
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local dir = minetest.facedir_to_right_dir(filtnode.param2)
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local frompos = vector.subtract(filtpos, dir)
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local fromnode = minetest.get_node(frompos)
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if not fromnode then return end
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local fromdef = minetest.registered_nodes[fromnode.name]
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if not fromdef then return end
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local fromtube = fromdef.tube
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if not (fromtube and fromtube.input_inventory) then return end
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local filters = {}
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for _, filterstack in ipairs(filtinv:get_list("main")) do
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local filtername = filterstack:get_name()
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if filtername ~= "" then table.insert(filters, filtername) end
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end
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if #filters == 0 then table.insert(filters, "") end
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local slotseq_mode = filtmeta:get_int("slotseq_mode")
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local frommeta = minetest.get_meta(frompos)
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local frominv = frommeta:get_inventory()
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if fromtube.before_filter then fromtube.before_filter(frompos) end
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for _, frominvname in ipairs(type(fromtube.input_inventory) == "table" and fromtube.input_inventory or {fromtube.input_inventory}) do
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local done = false
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for _, filtername in ipairs(filters) do
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if grabAndFire(data, slotseq_mode, filtmeta, frominv, frominvname, frompos, fromnode, filtername, fromtube, fromdef, dir, fakePlayer, data.stackwise) then
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done = true
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break
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end
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end
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if done then break end
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end
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if fromtube.after_filter then fromtube.after_filter(frompos) end
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end
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for _, data in ipairs({
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{
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name = "filter",
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wise_desc = "Itemwise",
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stackwise = false,
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},
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{
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name = "mese_filter",
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wise_desc = "Stackwise",
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stackwise = true,
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},
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}) do
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minetest.register_node("pipeworks:"..data.name, {
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description = data.wise_desc.." Filter-Injector",
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tiles = {
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"pipeworks_"..data.name.."_top.png",
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"pipeworks_"..data.name.."_top.png",
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"pipeworks_"..data.name.."_output.png",
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"pipeworks_"..data.name.."_input.png",
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"pipeworks_"..data.name.."_side.png",
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"pipeworks_"..data.name.."_top.png",
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},
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paramtype2 = "facedir",
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groups = {snappy = 2, choppy = 2, oddly_breakable_by_hand = 2, mesecon = 2},
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legacy_facedir_simple = true,
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sounds = default.node_sound_wood_defaults(),
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on_construct = function(pos)
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local meta = minetest.get_meta(pos)
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set_filter_formspec(data, meta)
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set_filter_infotext(data, meta)
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local inv = meta:get_inventory()
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inv:set_size("main", 8*2)
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end,
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after_place_node = function (pos, placer)
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minetest.get_meta(pos):set_string("owner", placer:get_player_name())
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end,
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on_receive_fields = function(pos, formname, fields, sender)
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fs_helpers.on_receive_fields(pos, fields)
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local meta = minetest.get_meta(pos)
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meta:set_int("slotseq_index", 1)
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set_filter_formspec(data, meta)
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set_filter_infotext(data, meta)
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end,
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can_dig = function(pos, player)
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local meta = minetest.get_meta(pos)
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local inv = meta:get_inventory()
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return inv:is_empty("main")
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end,
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mesecons = {
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effector = {
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action_on = function(pos, node)
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punch_filter(data, pos, node)
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end,
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},
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},
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tube = {connect_sides = {right = 1}},
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on_punch = function (pos, node, puncher)
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punch_filter(data, pos, node)
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end,
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})
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end
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local adjlist={{x=0,y=0,z=1},{x=0,y=0,z=-1},{x=0,y=1,z=0},{x=0,y=-1,z=0},{x=1,y=0,z=0},{x=-1,y=0,z=0}}
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function pipeworks.notvel(tbl, vel)
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local tbl2={}
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for _,val in ipairs(tbl) do
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if val.x ~= -vel.x or val.y ~= -vel.y or val.z ~= -vel.z then table.insert(tbl2, val) end
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end
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return tbl2
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end
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local function go_next(pos, velocity, stack)
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local next_positions = {}
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local max_priority = 0
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local cnode = minetest.get_node(pos)
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local cmeta = minetest.get_meta(pos)
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local can_go
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local speed = math.abs(velocity.x + velocity.y + velocity.z)
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if speed == 0 then
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speed = 1
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end
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local vel = {x = velocity.x/speed, y = velocity.y/speed, z = velocity.z/speed,speed=speed}
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if speed >= 4.1 then
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speed = 4
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elseif speed >= 1.1 then
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speed = speed - 0.1
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else
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speed = 1
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end
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vel.speed = speed
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if minetest.registered_nodes[cnode.name] and minetest.registered_nodes[cnode.name].tube and minetest.registered_nodes[cnode.name].tube.can_go then
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can_go = minetest.registered_nodes[cnode.name].tube.can_go(pos, cnode, vel, stack)
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else
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can_go = pipeworks.notvel(adjlist, vel)
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end
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for _, vect in ipairs(can_go) do
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local npos = vector.add(pos, vect)
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local node = minetest.get_node(npos)
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local reg_node = minetest.registered_nodes[node.name]
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if reg_node then
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local tube_def = reg_node.tube
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local tubedevice = minetest.get_item_group(node.name, "tubedevice")
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local tube_priority = (tube_def and tube_def.priority) or 100
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if tubedevice > 0 and tube_priority >= max_priority then
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if not tube_def or not tube_def.can_insert or
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tube_def.can_insert(npos, node, stack, vect) then
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if tube_priority > max_priority then
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max_priority = tube_priority
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next_positions = {}
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end
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next_positions[#next_positions + 1] = {pos = npos, vect = vect}
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end
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end
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end
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end
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if not next_positions[1] then
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return false, nil
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end
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local n = (cmeta:get_int("tubedir") % (#next_positions)) + 1
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if pipeworks.enable_cyclic_mode then
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cmeta:set_int("tubedir", n)
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end
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local new_velocity = vector.multiply(next_positions[n].vect, vel.speed)
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return true, new_velocity
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end
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minetest.register_entity("pipeworks:tubed_item", {
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initial_properties = {
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hp_max = 1,
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physical = false,
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collisionbox = {0.1, 0.1, 0.1, 0.1, 0.1, 0.1},
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visual = "wielditem",
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visual_size = {x = 0.15, y = 0.15},
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textures = {""},
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spritediv = {x = 1, y = 1},
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initial_sprite_basepos = {x = 0, y = 0},
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is_visible = false,
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},
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physical_state = false,
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from_data = function(self, itemstring)
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local stack = ItemStack(itemstring)
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local itemtable = stack:to_table()
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local itemname = nil
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if itemtable then
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itemname = stack:to_table().name
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end
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local item_texture = nil
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local item_type = ""
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if minetest.registered_items[itemname] then
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item_texture = minetest.registered_items[itemname].inventory_image
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item_type = minetest.registered_items[itemname].type
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end
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self.object:set_properties({
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is_visible = true,
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textures = {stack:get_name()}
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})
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local def = stack:get_definition()
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self.object:setyaw((def and def.type == "node") and 0 or math.pi * 0.25)
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end,
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get_staticdata = luaentity.get_staticdata,
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on_activate = function(self, staticdata) -- Legacy code, should be replaced later by luaentity.on_activate
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if staticdata == "" or staticdata == nil then
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return
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end
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if staticdata == "toremove" then
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self.object:remove()
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return
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end
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local item = minetest.deserialize(staticdata)
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pipeworks.tube_inject_item(self.object:getpos(), item.start_pos, item.velocity, item.itemstring)
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self.object:remove()
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end,
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})
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minetest.register_entity("pipeworks:color_entity", {
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initial_properties = {
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hp_max = 1,
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physical = false,
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collisionbox = {0.1, 0.1, 0.1, 0.1, 0.1, 0.1},
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visual = "cube",
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visual_size = {x = 3.5, y = 3.5, z = 3.5}, -- todo: find correct size
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textures = {""},
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is_visible = false,
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},
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physical_state = false,
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from_data = function(self, color)
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local t = "pipeworks_color_"..color..".png"
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local prop = {
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is_visible = true,
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visual = "cube",
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textures = {t, t, t, t, t, t} -- todo: textures
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}
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self.object:set_properties(prop)
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end,
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get_staticdata = luaentity.get_staticdata,
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on_activate = luaentity.on_activate,
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})
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luaentity.register_entity("pipeworks:tubed_item", {
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itemstring = '',
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item_entity = nil,
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color_entity = nil,
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color = nil,
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start_pos = nil,
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set_item = function(self, item)
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local itemstring = ItemStack(item):to_string() -- Accept any input format
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if self.itemstring == itemstring then
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return
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end
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if self.item_entity then
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self:remove_attached_entity(self.item_entity)
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end
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self.itemstring = itemstring
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self.item_entity = self:add_attached_entity("pipeworks:tubed_item", itemstring)
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end,
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set_color = function(self, color)
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if self.color == color then
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return
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end
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self.color = color
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if self.color_entity then
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self:remove_attached_entity(self.color_entity)
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end
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if color then
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self.color_entity = self:add_attached_entity("pipeworks:color_entity", color)
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else
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self.color_entity = nil
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end
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end,
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on_step = function(self, dtime)
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if self.start_pos == nil then
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local pos = self:getpos()
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self.start_pos = vector.round(pos)
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self:setpos(pos)
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end
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local pos = self:getpos()
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local stack = ItemStack(self.itemstring)
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local drop_pos
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local velocity = self:getvelocity()
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local moved = false
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local speed = math.abs(velocity.x + velocity.y + velocity.z)
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if speed == 0 then
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speed = 1
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moved = true
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end
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local vel = {x = velocity.x / speed, y = velocity.y / speed, z = velocity.z / speed, speed = speed}
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if vector.distance(pos, self.start_pos) >= 1 then
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self.start_pos = vector.add(self.start_pos, vel)
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moved = true
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end
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minetest.load_position(self.start_pos)
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local node = minetest.get_node(self.start_pos)
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if moved and minetest.get_item_group(node.name, "tubedevice_receiver") == 1 then
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local leftover
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if minetest.registered_nodes[node.name].tube and minetest.registered_nodes[node.name].tube.insert_object then
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leftover = minetest.registered_nodes[node.name].tube.insert_object(self.start_pos, node, stack, vel)
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else
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leftover = stack
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end
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if leftover:is_empty() then
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self:remove()
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return
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end
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velocity = vector.multiply(velocity, -1)
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self:setvelocity(velocity)
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self:set_item(leftover:to_string())
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return
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end
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if moved then
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local found_next, new_velocity = go_next(self.start_pos, velocity, stack) -- todo: color
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if not found_next then
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drop_pos = minetest.find_node_near(vector.add(self.start_pos, velocity), 1, "air")
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if drop_pos then
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minetest.item_drop(stack, "", drop_pos)
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self:remove()
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return
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end
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end
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if new_velocity and not vector.equals(velocity, new_velocity) then
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self:setpos(self.start_pos)
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self:setvelocity(new_velocity)
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end
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end
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end
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})
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if minetest.get_modpath("mesecons_mvps") then
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mesecon.register_mvps_unmov("pipeworks:tubed_item")
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mesecon.register_mvps_unmov("pipeworks:color_entity")
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mesecon.register_on_mvps_move(function(moved_nodes)
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local moved = {}
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for _, n in ipairs(moved_nodes) do
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moved[minetest.hash_node_position(n.oldpos)] = vector.subtract(n.pos, n.oldpos)
|
|
end
|
|
for id, entity in pairs(luaentity.entities) do
|
|
if entity.name == "pipeworks:tubed_item" then
|
|
local pos = entity:getpos()
|
|
local rpos = vector.round(pos)
|
|
local dir = moved[minetest.hash_node_position(rpos)]
|
|
if dir then
|
|
entity:setpos(vector.add(pos, dir))
|
|
entity.start_pos = vector.add(entity.start_pos, dir)
|
|
end
|
|
end
|
|
end
|
|
end)
|
|
end
|