522 lines
16 KiB
Lua
522 lines
16 KiB
Lua
dofile(pipeworks.modpath.."/compat.lua")
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--and an extra function for getting the right-facing vector
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local function facedir_to_right_dir(facedir)
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--find the other directions
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local backdir = minetest.facedir_to_dir(facedir)
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local topdir = ({[0]={x=0, y=1, z=0},
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{x=0, y=0, z=1},
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{x=0, y=0, z=-1},
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{x=1, y=0, z=0},
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{x=-1, y=0, z=0},
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{x=0, y=-1, z=0}})[math.floor(facedir/4)]
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--return a cross product
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return {x=topdir.y*backdir.z - backdir.y*topdir.z,
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y=topdir.z*backdir.x - backdir.z*topdir.x,
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z=topdir.x*backdir.y - backdir.x*topdir.y}
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end
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local fakePlayer = {
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get_player_name = function() return ":pipeworks" end,
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-- any other player functions called by allow_metadata_inventory_take anywhere...
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-- perhaps a custom metaclass that errors specially when fakePlayer.<property> is not found?
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}
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function pipeworks.tube_item(pos, item)
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-- Take item in any format
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local stack = ItemStack(item)
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local obj = minetest.add_entity(pos, "pipeworks:tubed_item")
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obj:get_luaentity():set_item(stack:to_string())
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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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local slotseq_mode = meta:get_int("slotseq_mode")
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if slotseq_mode == 1 then
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formspec = formspec .. "button[0,3.5;4,1;slotseq_mode2;Sequence slots Randomly]"
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elseif slotseq_mode == 2 then
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formspec = formspec .. "button[0,3.5;4,1;slotseq_mode0;Sequence slots by Rotation]"
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else
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formspec = formspec .. "button[0,3.5;4,1;slotseq_mode1;Sequence slots by Priority]"
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end
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formspec = formspec .. "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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local function grabAndFire(data,slotseq_mode,filtmeta,frominv,frominvname,frompos,fromnode,filtername,fromtube,fromdef,dir,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 item1 = pipeworks.tube_item(vector.add(frompos, vector.multiply(dir, 1.4)), item)
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item1:get_luaentity().start_pos = vector.add(frompos, dir)
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item1:setvelocity(dir)
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item1:setacceleration({x=0, y=0, z=0})
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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 dir = facedir_to_right_dir(filtnode.param2)
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local frompos = {x=filtpos.x - dir.x, y=filtpos.y - dir.y, z=filtpos.z - dir.z}
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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, 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,tubedevice=1,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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on_receive_fields = function(pos, formname, fields, sender)
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local meta = minetest.get_meta(pos)
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for k, _ in pairs(fields) do
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if k:sub(1, 12) == "slotseq_mode" then
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local mode = tonumber(k:sub(13, 13))
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meta:set_int("slotseq_mode", mode)
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meta:set_int("slotseq_index", mode == 2 and 1 or 0)
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end
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end
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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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after_place_node = function(pos)
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pipeworks.scan_for_tube_objects(pos)
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end,
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after_dig_node = function(pos)
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pipeworks.scan_for_tube_objects(pos)
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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 function roundpos(pos)
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return {x=math.floor(pos.x+0.5),y=math.floor(pos.y+0.5),z=math.floor(pos.z+0.5)}
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end
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local function addVect(pos,vect)
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return {x=pos.x+vect.x,y=pos.y+vect.y,z=pos.z+vect.z}
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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 chests = {}
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local tubes = {}
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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 n
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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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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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local meta = nil
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for _,vect in ipairs(can_go) do
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local npos = addVect(pos,vect)
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local node = minetest.get_node(npos)
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local tube_receiver = minetest.get_item_group(node.name,"tubedevice_receiver")
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meta = minetest.get_meta(npos)
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local tubelike = meta:get_int("tubelike")
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if tube_receiver == 1 then
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if minetest.registered_nodes[node.name].tube and
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minetest.registered_nodes[node.name].tube.can_insert and
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minetest.registered_nodes[node.name].tube.can_insert(npos, node, stack, vect) then
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local i = #chests + 1
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chests[i] = {}
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chests[i].pos = npos
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chests[i].vect = vect
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end
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elseif tubelike == 1 then
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local i = #tubes + 1
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tubes[i] = {}
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tubes[i].pos = npos
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tubes[i].vect = vect
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end
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end
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if chests[1] == nil then--no chests found
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if tubes[1] == nil then
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return 0
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else
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n = (cmeta:get_int("tubedir")%(#tubes)) + 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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velocity.x = tubes[n].vect.x*vel.speed
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velocity.y = tubes[n].vect.y*vel.speed
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velocity.z = tubes[n].vect.z*vel.speed
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end
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else
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n = (cmeta:get_int("tubedir")%(#chests))+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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velocity.x = chests[n].vect.x*speed
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velocity.y = chests[n].vect.y*speed
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velocity.z = chests[n].vect.z*speed
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end
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return 1
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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 = {0,0,0,0,0,0},
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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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start_pos = {},
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route = {},
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removed = false
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},
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itemstring = '',
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physical_state = false,
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set_item = function(self, itemstring)
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self.itemstring = itemstring
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local stack = ItemStack(itemstring)
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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 = function(self)
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if self.start_pos == nil or self.removed then
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return
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end
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local velocity = self.object:getvelocity()
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self.object:setpos(self.start_pos)
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return minetest.serialize({
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itemstring = self.itemstring,
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velocity = velocity,
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start_pos = self.start_pos
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})
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end,
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on_activate = function(self, staticdata)
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if staticdata=="" or staticdata==nil then return end
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local item = minetest.deserialize(staticdata)
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local stack = ItemStack(item.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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if itemname then
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self.start_pos=item.start_pos
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self.object:setvelocity(item.velocity)
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self.object:setacceleration({x=0, y=0, z=0})
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self.object:setpos(item.start_pos)
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end
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self:set_item(item.itemstring)
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end,
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remove = function(self)
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self.object:remove()
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self.removed = true
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self.itemstring = ''
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end,
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on_step = function(self, dtime)
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if self.removed then
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return
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end
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if self.start_pos == nil then
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local pos = self.object:getpos()
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self.start_pos = roundpos(pos)
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end
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local pos = self.object:getpos()
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local node = minetest.get_node(pos)
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local meta = minetest.get_meta(pos)
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local tubelike = meta:get_int("tubelike")
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local stack = ItemStack(self.itemstring)
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local drop_pos = nil
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local velocity = self.object:getvelocity()
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if velocity == nil then return end
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local velocitycopy = {x = velocity.x, y = velocity.y, z = velocity.z}
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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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local vel = {x = velocity.x / speed, y = velocity.y / speed, z = velocity.z / speed, speed = speed}
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if math.abs(vel.x) == 1 then
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local next_node = math.abs(pos.x - self.start_pos.x)
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if next_node >= 1 then
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self.start_pos.x = self.start_pos.x + vel.x
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moved = true
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end
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elseif math.abs(vel.y) == 1 then
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local next_node = math.abs(pos.y - self.start_pos.y)
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if next_node >= 1 then
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self.start_pos.y = self.start_pos.y + vel.y
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moved = true
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end
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elseif math.abs(vel.z) == 1 then
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local next_node = math.abs(pos.z - self.start_pos.z)
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if next_node >= 1 then
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self.start_pos.z = self.start_pos.z + vel.z
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moved = true
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end
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end
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local sposcopy = {x = self.start_pos.x, y = self.start_pos.y, z = self.start_pos.z}
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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 = nil
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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
|
|
if leftover:is_empty() then
|
|
self:remove()
|
|
return
|
|
end
|
|
velocity.x = -velocity.x
|
|
velocity.y = -velocity.y
|
|
velocity.z = -velocity.z
|
|
self.object:setvelocity(velocity)
|
|
self:set_item(leftover:to_string())
|
|
return
|
|
end
|
|
|
|
if moved then
|
|
if go_next (self.start_pos, velocity, stack) == 0 then
|
|
drop_pos = minetest.find_node_near(vector.add(self.start_pos, velocity), 1, "air")
|
|
if drop_pos then
|
|
minetest.item_drop(stack, "", drop_pos)
|
|
self:remove()
|
|
end
|
|
end
|
|
end
|
|
|
|
if velocity.x~=velocitycopy.x or velocity.y~=velocitycopy.y or velocity.z~=velocitycopy.z or
|
|
self.start_pos.x~=sposcopy.x or self.start_pos.y~=sposcopy.y or self.start_pos.z~=sposcopy.z then
|
|
self.object:setpos(self.start_pos)
|
|
self.object:setvelocity(velocity)
|
|
end
|
|
end
|
|
})
|
|
|
|
if minetest.get_modpath("mesecons_mvps") ~= nil then
|
|
local function add_table(table,toadd)
|
|
local i = 1
|
|
while true do
|
|
o = table[i]
|
|
if o == toadd then return end
|
|
if o == nil then break end
|
|
i = i+1
|
|
end
|
|
table[i] = toadd
|
|
end
|
|
mesecon:register_mvps_unmov("pipeworks:tubed_item")
|
|
mesecon:register_on_mvps_move(function(moved_nodes)
|
|
local objects_to_move = {}
|
|
for _, n in ipairs(moved_nodes) do
|
|
local objects = minetest.get_objects_inside_radius(n.oldpos, 1)
|
|
for _, obj in ipairs(objects) do
|
|
local entity = obj:get_luaentity()
|
|
if entity and entity.name == "pipeworks:tubed_item" then
|
|
--objects_to_move[#objects_to_move+1] = obj
|
|
add_table(objects_to_move, obj)
|
|
end
|
|
end
|
|
end
|
|
if #objects_to_move > 0 then
|
|
local dir = vector.subtract(moved_nodes[1].pos, moved_nodes[1].oldpos)
|
|
for _, obj in ipairs(objects_to_move) do
|
|
local entity = obj:get_luaentity()
|
|
obj:setpos(vector.add(obj:getpos(), dir))
|
|
entity.start_pos = vector.add(entity.start_pos, dir)
|
|
end
|
|
end
|
|
end)
|
|
end
|