mirror of
https://github.com/mt-mods/pipeworks.git
synced 2024-11-16 07:20:34 +01:00
581 lines
16 KiB
Lua
581 lines
16 KiB
Lua
modpath=minetest.get_modpath("pipeworks")
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dofile(modpath.."/compat.lua")
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--define the functions from https://github.com/minetest/minetest/pull/834 while waiting for the devs to notice it
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local function dir_to_facedir(dir, is6d)
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--account for y if requested
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if is6d and math.abs(dir.y) > math.abs(dir.x) and math.abs(dir.y) > math.abs(dir.z) then
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--from above
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if dir.y < 0 then
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if math.abs(dir.x) > math.abs(dir.z) then
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if dir.x < 0 then
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return 19
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else
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return 13
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end
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else
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if dir.z < 0 then
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return 10
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else
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return 4
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end
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end
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--from below
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else
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if math.abs(dir.x) > math.abs(dir.z) then
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if dir.x < 0 then
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return 15
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else
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return 17
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end
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else
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if dir.z < 0 then
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return 6
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else
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return 8
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end
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end
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end
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--otherwise, place horizontally
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elseif math.abs(dir.x) > math.abs(dir.z) then
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if dir.x < 0 then
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return 3
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else
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return 1
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end
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else
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if dir.z < 0 then
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return 2
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else
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return 0
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end
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end
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end
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local function facedir_to_dir(facedir)
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--a table of possible dirs
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return ({{x=0, y=0, z=1},
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{x=1, y=0, z=0},
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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=0, y=-1, z=0},
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{x=0, y=1, z=0}})
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--indexed into by a table of correlating facedirs
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[({[0]=1, 2, 3, 4,
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5, 2, 6, 4,
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6, 2, 5, 4,
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1, 5, 3, 6,
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1, 6, 3, 5,
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1, 4, 3, 2})
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--indexed into by the facedir in question
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[facedir]]
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end
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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 = 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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minetest.register_craftitem("pipeworks:filter", {
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description = "Filter",
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stack_max = 99,
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})
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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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-- adding two tube functions
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-- can_remove(pos,node,stack,dir) returns true if an item can be removed from that stack on that node
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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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-- sname = the current name to allow for, or nil if it allows anything
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function grabAndFire(frominv,frominvname,frompos,fromnode,sname,tube,idef,dir,all)
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for spos,stack in ipairs(frominv:get_list(frominvname)) do
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if ( sname == nil and stack:get_name() ~= "") or stack:get_name()==sname then
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local doRemove = true
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if tube.can_remove then
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doRemove = tube.can_remove(frompos, fromnode, stack, dir)
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elseif idef.allow_metadata_inventory_take then
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doRemove = idef.allow_metadata_inventory_take(frompos,"main",spos, stack, fakePlayer)
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end
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-- stupid lack of continue statements grumble
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if doRemove then
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local item
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local count
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if all then
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count = stack:get_count()
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else
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count = 1
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end
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if tube.remove_items then
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-- it could be the entire stack...
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item=tube.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 idef.on_metadata_inventory_take then
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idef.on_metadata_inventory_take(frompos, "main", spos, item, fakePlayer)
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end
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end
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item1=tube_item(frompos,item)
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item1:get_luaentity().start_pos = frompos
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item1:setvelocity(dir)
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item1:setacceleration({x=0, y=0, z=0})
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return -- only fire one item, please
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end
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end
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end
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end
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minetest.register_node("pipeworks:filter", {
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description = "Filter",
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tiles = {"pipeworks_filter_top.png", "pipeworks_filter_top.png", "pipeworks_filter_output.png",
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"pipeworks_filter_input.png", "pipeworks_filter_side.png", "pipeworks_filter_top.png"},
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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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meta:set_string("formspec",
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"invsize[8,6.5;]"..
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"list[current_name;main;0,0;8,2;]"..
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"list[current_player;main;0,2.5;8,4;]")
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meta:set_string("infotext", "Filter")
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local inv = meta:get_inventory()
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inv:set_size("main", 8*4)
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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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tube_scanforobjects(pos)
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end,
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after_dig_node = function(pos)
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tube_scanforobjects(pos)
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end,
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mesecons={effector={action_on=function(pos,node)
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minetest.registered_nodes[node.name].on_punch(pos,node,nil)
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end}},
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tube={connect_sides={right=1}},
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on_punch = function (pos, node, puncher)
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local meta = minetest.get_meta(pos);
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local inv = meta:get_inventory()
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local dir = facedir_to_right_dir(node.param2)
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local frompos = {x=pos.x - dir.x, y=pos.y - dir.y, z=pos.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 frominv
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local idef = minetest.registered_nodes[fromnode.name]
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-- assert(idef)
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local tube = idef.tube
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if not (tube and tube.input_inventory) then
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return
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end
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local frommeta=minetest.get_meta(frompos)
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local frominvname=tube.input_inventory
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local frominv=frommeta:get_inventory()
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for _,filter in ipairs(inv:get_list("main")) do
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local sname=filter:get_name()
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if sname ~="" then
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-- XXX: that's a lot of parameters
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grabAndFire(frominv,frominvname,frompos,fromnode,sname,tube,idef,dir)
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end
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end
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if inv:is_empty("main") then
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grabAndFire(frominv,frominvname,frompos,fromnode,nil,tube,idef,dir)
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end
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end,
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})
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minetest.register_craftitem("pipeworks:mese_filter", {
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description = "Mese filter",
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stack_max = 99,
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})
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minetest.register_node("pipeworks:mese_filter", {
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description = "Mese filter",
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tiles = {"pipeworks_mese_filter_top.png", "pipeworks_mese_filter_top.png", "pipeworks_mese_filter_output.png",
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"pipeworks_mese_filter_input.png", "pipeworks_mese_filter_side.png", "pipeworks_mese_filter_top.png"},
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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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meta:set_string("formspec",
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"invsize[8,6.5;]"..
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"list[current_name;main;0,0;8,2;]"..
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"list[current_player;main;0,2.5;8,4;]")
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meta:set_string("infotext", "Mese filter")
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local inv = meta:get_inventory()
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inv:set_size("main", 8*4)
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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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tube_scanforobjects(pos)
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end,
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after_dig_node = function(pos)
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tube_scanforobjects(pos)
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end,
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mesecons={effector={action_on=function(pos,node)
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minetest.registered_nodes[node.name].on_punch(pos,node,nil)
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end}},
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tube={connect_sides={right=1}},
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on_punch = function (pos, node, puncher)
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local meta = minetest.get_meta(pos);
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local inv = meta:get_inventory()
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local dir = facedir_to_right_dir(node.param2)
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local frompos = {x=pos.x - dir.x, y=pos.y - dir.y, z=pos.z - dir.z}
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local fromnode=minetest.get_node(frompos)
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local frominv
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local idef = minetest.registered_nodes[fromnode.name]
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-- assert(idef)
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local tube = idef.tube
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if not (tube and tube.input_inventory) then
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return
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end
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local frommeta=minetest.get_meta(frompos)
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local frominvname=minetest.registered_nodes[fromnode.name].tube.input_inventory
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local frominv=frommeta:get_inventory()
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for _,filter in ipairs(inv:get_list("main")) do
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local sname=filter:get_name()
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if sname ~="" then
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grabAndFire(frominv,frominvname,frompos,fromnode,sname,tube,idef,dir,true)
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end
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end
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if inv:is_empty("main") then
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grabAndFire(frominv,frominvname,frompos,fromnode,sname,tube,idef,dir,true)
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end
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end,
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})
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function 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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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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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 = "sprite",
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visual_size = {x=0.5, y=0.5},
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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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},
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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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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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prop = {
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is_visible = true,
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visual = "sprite",
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textures = {"unknown_item.png"}
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}
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if item_texture and item_texture ~= "" then
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prop.visual = "sprite"
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prop.textures = {item_texture}
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prop.visual_size = {x=0.3, y=0.3}
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else
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prop.visual = "wielditem"
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prop.textures = {itemname}
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prop.visual_size = {x=0.15, y=0.15}
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end
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self.object:set_properties(prop)
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end,
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get_staticdata = function(self)
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if self.start_pos==nil then return end
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local velocity=self.object:getvelocity()
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--self.object:setvelocity({x=0,y=0,z=0})
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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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on_step = function(self, dtime)
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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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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}
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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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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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--drop_pos=minetest.find_node_near(self.start_pos,1,"air")
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--if drop_pos and not leftover:is_empty() then minetest.item_drop(leftover,"",drop_pos) end
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--self.object:remove()
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if leftover:is_empty() then
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self.object:remove()
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return
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end
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velocity.x=-velocity.x
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velocity.y=-velocity.y
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velocity.z=-velocity.z
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self.object: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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if go_next (self.start_pos, velocity, stack)==0 then
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drop_pos=minetest.find_node_near({x=self.start_pos.x+velocity.x,y=self.start_pos.y+velocity.y,z=self.start_pos.z+velocity.z}, 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.object:remove()
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end
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end
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end
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if velocity.x~=velocitycopy.x or velocity.y~=velocitycopy.y or velocity.z~=velocitycopy.z or
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self.start_pos.x~=sposcopy.x or self.start_pos.y~=sposcopy.y or self.start_pos.z~=sposcopy.z then
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self.object:setpos(self.start_pos)
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self.object:setvelocity(velocity)
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end
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end
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})
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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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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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|
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function notvel(tbl,vel)
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|
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
|
|
end
|
|
|
|
function go_next(pos,velocity,stack)
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local chests={}
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|
local tubes={}
|
|
local cnode=minetest.get_node(pos)
|
|
local cmeta=minetest.get_meta(pos)
|
|
local node
|
|
local meta
|
|
local tubelike
|
|
local tube_receiver
|
|
local len=1
|
|
local n
|
|
local can_go
|
|
local speed=math.abs(velocity.x+velocity.y+velocity.z)
|
|
local vel={x=velocity.x/speed,y=velocity.y/speed,z=velocity.z/speed,speed=speed}
|
|
if speed>=4.1 then
|
|
speed=4
|
|
elseif speed>=1.1 then
|
|
speed=speed-0.1
|
|
else
|
|
speed=1
|
|
end
|
|
vel.speed=speed
|
|
if minetest.registered_nodes[cnode.name] and minetest.registered_nodes[cnode.name].tube and minetest.registered_nodes[cnode.name].tube.can_go then
|
|
can_go=minetest.registered_nodes[cnode.name].tube.can_go(pos,node,vel,stack)
|
|
else
|
|
can_go=notvel(adjlist,vel)
|
|
end
|
|
for _,vect in ipairs(can_go) do
|
|
npos=addVect(pos,vect)
|
|
node=minetest.get_node(npos)
|
|
tube_receiver=minetest.get_item_group(node.name,"tubedevice_receiver")
|
|
meta=minetest.get_meta(npos)
|
|
tubelike=meta:get_int("tubelike")
|
|
if tube_receiver==1 then
|
|
if minetest.registered_nodes[node.name].tube and
|
|
minetest.registered_nodes[node.name].tube.can_insert and
|
|
minetest.registered_nodes[node.name].tube.can_insert(npos,node,stack,vect) then
|
|
local i=1
|
|
repeat
|
|
if chests[i]==nil then break end
|
|
i=i+1
|
|
until false
|
|
chests[i]={}
|
|
chests[i].pos=npos
|
|
chests[i].vect=vect
|
|
end
|
|
elseif tubelike==1 then
|
|
local i=1
|
|
repeat
|
|
if tubes[i]==nil then break end
|
|
i=i+1
|
|
until false
|
|
tubes[i]={}
|
|
tubes[i].pos=npos
|
|
tubes[i].vect=vect
|
|
end
|
|
end
|
|
if chests[1]==nil then--no chests found
|
|
if tubes[1]==nil then
|
|
return 0
|
|
else
|
|
local i=1
|
|
repeat
|
|
if tubes[i]==nil then break end
|
|
i=i+1
|
|
until false
|
|
n=meta:get_int("tubedir")+1
|
|
repeat
|
|
if n>=i then
|
|
n=n-i+1
|
|
else
|
|
break
|
|
end
|
|
until false
|
|
if CYCLIC then
|
|
meta:set_int("tubedir",n)
|
|
end
|
|
velocity.x=tubes[n].vect.x*vel.speed
|
|
velocity.y=tubes[n].vect.y*vel.speed
|
|
velocity.z=tubes[n].vect.z*vel.speed
|
|
end
|
|
else
|
|
local i=1
|
|
repeat
|
|
if chests[i]==nil then break end
|
|
i=i+1
|
|
until false
|
|
n=meta:get_int("tubedir")+1
|
|
repeat
|
|
if n>=i then
|
|
n=n-i+1
|
|
else
|
|
break
|
|
end
|
|
until false
|
|
if CYCLIC then
|
|
meta:set_int("tubedir",n)
|
|
end
|
|
velocity.x=chests[n].vect.x*speed
|
|
velocity.y=chests[n].vect.y*speed
|
|
velocity.z=chests[n].vect.z*speed
|
|
end
|
|
return 1
|
|
end
|