mirror of
https://github.com/mt-mods/pipeworks.git
synced 2024-11-16 07:20:34 +01:00
f44993cd84
and use that feature to handle most of the existing devices) also, fix the "xray" glitch in the grating
215 lines
7.7 KiB
Lua
215 lines
7.7 KiB
Lua
--[[
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autorouting for pipes
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To connect pipes to some node, include this in the node def...
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pipe_connections = {
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pattern = <string>, -- if supplied, search for this pattern instead of the exact node name
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left = <bool>, -- true (or 1) if the left side of the node needs to connect to a pipe
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right = <bool>, -- or from the right side, etc.
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top = <bool>,
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bottom = <bool>,
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front = <bool>,
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back = <bool>,
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left_param2 = <num>, -- the node must have this param2 to connect from the left
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right_param2 = <num>, -- or right, etc.
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top_param2 = <num>, -- Omit some or all of these to skip checking param2 for those sides
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bottom_param2 = <num>,
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front_param2 = <num>,
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back_param2 = <num>,
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},
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...then add, pipeworks.scan_for_pipe_objects(pos)
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to your node's after_dig_node and after_place_node callbacks.
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]]--
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-- get the axis dir (just 6 faces) of target node, assumes the pipe is the axis
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function pipeworks.get_axis_dir(nodetable, pattern)
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local pxm,pxp,pym,pyp,pzm,pzp
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if string.find(nodetable.nxm.name, pattern)
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and minetest.facedir_to_dir(nodetable.nxm.param2).x ~= 0 then
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pxm=1
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end
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if string.find(nodetable.nxp.name, pattern)
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and minetest.facedir_to_dir(nodetable.nxp.param2).x ~= 0 then
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pxp=1
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end
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if string.find(nodetable.nzm.name, pattern)
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and minetest.facedir_to_dir(nodetable.nzm.param2).z ~= 0 then
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pzm=1
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end
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if string.find(nodetable.nzp.name, pattern)
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and minetest.facedir_to_dir(nodetable.nzp.param2).z ~= 0 then
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pzp=1
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end
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if string.find(nodetable.nym.name, pattern)
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and minetest.facedir_to_dir(nodetable.nym.param2).y ~= 0 then
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pym=1
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end
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if string.find(nodetable.nyp.name, pattern)
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and minetest.facedir_to_dir(nodetable.nyp.param2).y ~= 0 then
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pyp=1
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end
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local match = pxm or pxp or pym or pyp or pzm or pzp
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return match,pxm,pxp,pym,pyp,pzm,pzp
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end
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local tube_table = {[0] = 1, 2, 2, 4, 2, 4, 4, 5, 2, 3, 4, 6, 4, 6, 5, 7, 2, 4, 3, 6, 4, 5, 6, 7, 4, 6, 6, 8, 5, 7, 7, 9, 2, 4, 4, 5, 3, 6, 6, 7, 4, 6, 5, 7, 6, 8, 7, 9, 4, 5, 6, 7, 6, 7, 8, 9, 5, 7, 7, 9, 7, 9, 9, 10}
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local tube_table_facedirs = {[0] = 0, 0, 5, 0, 3, 4, 3, 0, 2, 0, 2, 0, 6, 4, 3, 0, 7, 12, 5, 12, 7, 4, 5, 5, 18, 20, 16, 0, 7, 4, 7, 0, 1, 8, 1, 1, 1, 13, 1, 1, 10, 8, 2, 2, 17, 4, 3, 6, 9, 9, 9, 9, 21, 13, 1, 1, 10, 10, 11, 2, 19, 4, 3, 0}
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local function autoroute_pipes(pos)
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local nctr = minetest.get_node(pos)
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local state = "_empty"
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if (string.find(nctr.name, "pipeworks:pipe_") == nil) then return end
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if (string.find(nctr.name, "_loaded") ~= nil) then state = "_loaded" end
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local nsurround = pipeworks.scan_pipe_surroundings(pos)
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if nsurround == 0 then nsurround = 9 end
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minetest.swap_node(pos, {name = "pipeworks:pipe_"..tube_table[nsurround]..state,
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param2 = tube_table_facedirs[nsurround]})
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end
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function pipeworks.scan_for_pipe_objects(pos)
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autoroute_pipes({ x=pos.x-1, y=pos.y , z=pos.z })
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autoroute_pipes({ x=pos.x+1, y=pos.y , z=pos.z })
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autoroute_pipes({ x=pos.x , y=pos.y-1, z=pos.z })
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autoroute_pipes({ x=pos.x , y=pos.y+1, z=pos.z })
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autoroute_pipes({ x=pos.x , y=pos.y , z=pos.z-1 })
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autoroute_pipes({ x=pos.x , y=pos.y , z=pos.z+1 })
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autoroute_pipes(pos)
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end
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-- auto-rotation code for various devices the pipes attach to
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function pipeworks.scan_pipe_surroundings(pos)
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local pxm=0
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local pxp=0
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local pym=0
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local pyp=0
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local pzm=0
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local pzp=0
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local nxm = minetest.get_node({ x=pos.x-1, y=pos.y , z=pos.z })
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local nxp = minetest.get_node({ x=pos.x+1, y=pos.y , z=pos.z })
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local nym = minetest.get_node({ x=pos.x , y=pos.y-1, z=pos.z })
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local nyp = minetest.get_node({ x=pos.x , y=pos.y+1, z=pos.z })
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local nzm = minetest.get_node({ x=pos.x , y=pos.y , z=pos.z-1 })
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local nzp = minetest.get_node({ x=pos.x , y=pos.y , z=pos.z+1 })
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local nodetable = {
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nxm = nxm,
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nxp = nxp,
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nym = nym,
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nyp = nyp,
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nzm = nzm,
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nzp = nzp
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}
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-- standard handling for pipes...
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if string.find(nxm.name, "pipeworks:pipe_") then pxm=1 end
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if string.find(nxp.name, "pipeworks:pipe_") then pxp=1 end
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if string.find(nym.name, "pipeworks:pipe_") then pym=1 end
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if string.find(nyp.name, "pipeworks:pipe_") then pyp=1 end
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if string.find(nzm.name, "pipeworks:pipe_") then pzm=1 end
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if string.find(nzp.name, "pipeworks:pipe_") then pzp=1 end
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-- Special handling for valves...
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local match,a,b,c,d,e,f = pipeworks.get_axis_dir(nodetable, "pipeworks:valve")
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if match then
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pxm = a or pxm
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pxp = b or pxp
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pym = c or pym
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pyp = d or pyp
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pzm = e or pzm
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pzp = f or pzp
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end
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-- ...flow sensors...
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local match,a,b,c,d,e,f = pipeworks.get_axis_dir(nodetable, "pipeworks:flow_sensor")
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if match then
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pxm = a or pxm
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pxp = b or pxp
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pym = c or pym
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pyp = d or pyp
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pzm = e or pzm
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pzp = f or pzp
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end
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-- ...sealed pipe entry/exit...
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local match,a,b,c,d,e,f = pipeworks.get_axis_dir(nodetable, "pipeworks:entry_panel")
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if match then
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pxm = a or pxm
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pxp = b or pxp
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pym = c or pym
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pyp = d or pyp
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pzm = e or pzm
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pzp = f or pzp
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end
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-- ... other nodes
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local def_left = minetest.registered_nodes[nxp.name] -- the node that {pos} is to the left of (not the
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local def_right = minetest.registered_nodes[nxm.name] -- ...note that is AT the left!), etc.
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local def_bottom = minetest.registered_nodes[nyp.name]
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local def_top = minetest.registered_nodes[nym.name]
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local def_front = minetest.registered_nodes[nzp.name]
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local def_back = minetest.registered_nodes[nzm.name]
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if def_left and def_left.pipe_connections and def_left.pipe_connections.left
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and (not def_left.pipe_connections.pattern or string.find(nxp.name, def_left.pipe_connections.pattern))
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and (not def_left.pipe_connections.left_param2 or (nxp.param2 == def_left.pipe_connections.left_param2)) then
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pxp = 1
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end
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if def_right and def_right.pipe_connections and def_right.pipe_connections.right
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and (not def_right.pipe_connections.pattern or string.find(nxm.name, def_right.pipe_connections.pattern))
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and (not def_right.pipe_connections.right_param2 or (nxm.param2 == def_right.pipe_connections.right_param2)) then
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pxm = 1
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end
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if def_top and def_top.pipe_connections and def_top.pipe_connections.top
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and (not def_top.pipe_connections.pattern or string.find(nym.name, def_top.pipe_connections.pattern))
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and (not def_top.pipe_connections.top_param2 or (nym.param2 == def_top.pipe_connections.top_param2)) then
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pym = 1
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end
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if def_bottom and def_bottom.pipe_connections and def_bottom.pipe_connections.bottom
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and (not def_bottom.pipe_connections.pattern or string.find(nyp.name, def_bottom.pipe_connections.pattern))
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and (not def_bottom.pipe_connections.bottom_param2 or (nyp.param2 == def_bottom.pipe_connections.bottom_param2)) then
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pyp = 1
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end
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if def_front and def_front.pipe_connections and def_front.pipe_connections.front
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and (not def_front.pipe_connections.pattern or string.find(nzp.name, def_front.pipe_connections.pattern))
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and (not def_front.pipe_connections.front_param2 or (nzp.param2 == def_front.pipe_connections.front_param2)) then
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pzp = 1
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end
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if def_back and def_back.pipe_connections and def_back.pipe_connections.back
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and (not def_back.pipe_connections.pattern or string.find(nzm.name, def_back.pipe_connections.pattern))
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and (not def_back.pipe_connections.back_param2 or (nzm.param2 == def_back.pipe_connections.back_param2)) then
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pzm = 1
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end
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print("stage 2 returns "..pxm+8*pxp+2*pym+16*pyp+4*pzm+32*pzp..
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" for nodes surrounding "..minetest.get_node(pos).name.." at "..minetest.pos_to_string(pos))
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return pxm+8*pxp+2*pym+16*pyp+4*pzm+32*pzp
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end
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function pipeworks.look_for_stackable_tanks(pos)
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local tym = minetest.get_node({ x=pos.x , y=pos.y-1, z=pos.z })
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if string.find(tym.name, "pipeworks:storage_tank_") ~= nil or
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string.find(tym.name, "pipeworks:expansion_tank_") ~= nil then
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minetest.add_node(pos, { name = "pipeworks:expansion_tank_0", param2 = tym.param2})
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end
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end
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