mirror of
https://github.com/mt-mods/pipeworks.git
synced 2024-11-17 15:58:29 +01:00
526 lines
16 KiB
Lua
526 lines
16 KiB
Lua
--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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-- autorouting for pipes
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function pipe_scanforobjects(pos)
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pipe_autoroute({ x=pos.x-1, y=pos.y , z=pos.z }, "_loaded")
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pipe_autoroute({ x=pos.x+1, y=pos.y , z=pos.z }, "_loaded")
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pipe_autoroute({ x=pos.x , y=pos.y-1, z=pos.z }, "_loaded")
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pipe_autoroute({ x=pos.x , y=pos.y+1, z=pos.z }, "_loaded")
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pipe_autoroute({ x=pos.x , y=pos.y , z=pos.z-1 }, "_loaded")
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pipe_autoroute({ x=pos.x , y=pos.y , z=pos.z+1 }, "_loaded")
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pipe_autoroute(pos, "_loaded")
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pipe_autoroute({ x=pos.x-1, y=pos.y , z=pos.z }, "_empty")
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pipe_autoroute({ x=pos.x+1, y=pos.y , z=pos.z }, "_empty")
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pipe_autoroute({ x=pos.x , y=pos.y-1, z=pos.z }, "_empty")
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pipe_autoroute({ x=pos.x , y=pos.y+1, z=pos.z }, "_empty")
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pipe_autoroute({ x=pos.x , y=pos.y , z=pos.z-1 }, "_empty")
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pipe_autoroute({ x=pos.x , y=pos.y , z=pos.z+1 }, "_empty")
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pipe_autoroute(pos, "_empty")
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end
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function pipe_autoroute(pos, state)
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nctr = minetest.get_node(pos)
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if (string.find(nctr.name, "pipeworks:pipe_") == nil) then return end
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pipes_scansurroundings(pos)
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nsurround = pxm..pxp..pym..pyp..pzm..pzp
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if nsurround == "000000" then nsurround = "110000" end
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minetest.add_node(pos, { name = "pipeworks:pipe_"..nsurround..state })
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end
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-- autorouting for pneumatic tubes
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function tube_scanforobjects(pos)
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if pos == nil then return end
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tube_autoroute({ x=pos.x-1, y=pos.y , z=pos.z })
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tube_autoroute({ x=pos.x+1, y=pos.y , z=pos.z })
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tube_autoroute({ x=pos.x , y=pos.y-1, z=pos.z })
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tube_autoroute({ x=pos.x , y=pos.y+1, z=pos.z })
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tube_autoroute({ x=pos.x , y=pos.y , z=pos.z-1 })
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tube_autoroute({ x=pos.x , y=pos.y , z=pos.z+1 })
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tube_autoroute(pos)
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end
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function in_table(table,element)
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for _,el in ipairs(table) do
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if el==element then return true end
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end
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return false
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end
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function is_tube(nodename)
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return in_table(tubenodes,nodename)
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end
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if pipeworks == nil then
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pipeworks = {}
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end
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-- this was tested experimentally, because I can't the whole bit arithematic
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-- with these facingRight means "We're facing the right side of whatever it is"
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pipeworks.connects = {
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-- a filter's output is on the right, input on the left
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facingLeft = function (i,param2)
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-- measured with a mese filter
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if i == 1 then
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return param2 == 2 or param2 == 6 or param2 == 10 or param2 == 20
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elseif i == 2 then
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return param2 == 0 or param2 == 4 or param2 == 8 or param2 == 22
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elseif i == 3 then
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return param2 == 7 or param2 == 9 or param2 == 12 or param2 == 18
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elseif i == 4 then
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return param2 == 5 or param2 == 11 or param2 == 14 or param2 == 16
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elseif i == 5 then
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return param2 == 1 or param2 == 13 or param2 == 17 or param2 == 21
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elseif i == 6 then
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return param2 == 3 or param2 == 15 or param2 == 19
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end
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end,
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facingRight = function (i,param2)
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-- measured with a mese filter
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if i == 1 then
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return param2 == 0 or param2 == 4 or param2 == 8 or param2 == 22
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elseif i == 2 then
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return param2 == 2 or param2 == 6 or param2 == 10 or param2 == 20
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elseif i == 3 then
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return param2 == 5 or param2 == 11 or param2 == 14 or param2 == 16
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elseif i == 4 then
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return param2 == 7 or param2 == 9 or param2 == 12 or param2 == 18
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elseif i == 5 then
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return param2 == 3 or param2 == 15 or param2 == 19
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elseif i == 6 then
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return param2 == 1 or param2 == 13 or param2 == 17 or param2 == 21
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end
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end,
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facingFront = function (i,param2)
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-- measured with a chest and a technic:nodebreaker
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if i == 1 then
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return param2 == 3 or param2 == 7 or param2 == 11 or param2 == 21
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elseif i == 2 then
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return param2 == 1 or param2 == 5 or param2 == 9
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elseif i == 3 then
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return param2 == 4 or param2 == 10 or param2 == 14 or param2 == 19
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elseif i == 4 then
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return param2 == 6 or param2 == 8 or param2 == 15 or param2 == 17
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elseif i == 5 then
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return param2 == 14 or param2 == 18 or param2 == 22 or param2 == 2
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elseif i == 6 then
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return param2 == 12 or param2 == 16 or param2 == 20 or param2 == 0
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end
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end,
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facingSide = function (i,param2)
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-- aka not top or bottom
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-- measured with a chair
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if i == 1 or i == 2 then
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return not (param2 >= 12 and param2 <= 19)
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elseif i == 3 or i == 4 then
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return not ((param2 >= 0 and param2 < 4) or (param2 >= 20 and param2 <= 22))
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elseif i == 5 or i == 6 then
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return not (param2 >= 4 and param2 <= 11)
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end
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end,
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facingTop = function(i,param2)
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-- measured with a chair
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if i == 1 then
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return param2 >= 16 and param2 <= 20
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elseif i == 2 then
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return param2 >= 12 and param2 < 16
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elseif i == 3 then
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return param2 >= 0 and param2 < 4
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elseif i == 4 then
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return param2 >= 21 and param2 < 23
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elseif i == 5 then
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return param2 >= 4 and param2 < 8
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elseif i == 6 then
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return param2 >= 8 and param2 < 12
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-- else error bad value for i
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end
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end
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}
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--a function for determining which side of the node we are on
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local function nodeside(node, tubedir)
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--get a vector pointing back
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local backdir = facedir_to_dir(node.param2)
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--check whether the vector is equivalent to the tube direction; if it is, the tube's on the backside
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if backdir.x == tubedir.x and backdir.y == tubedir.y and backdir.z == tubedir.z then
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return "back"
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end
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--check whether the vector is antiparallel with the tube direction; that indicates the front
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if backdir.x == -tubedir.x and backdir.y == -tubedir.y and backdir.z == -tubedir.z then
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return "front"
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end
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--facedir is defined in terms of the top-bottom axis of the node; we'll take advantage of that
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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(node.param2/4)]
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--is this the top?
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if topdir.x == tubedir.x and topdir.y == tubedir.y and topdir.z == tubedir.z then
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return "top"
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end
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--or the bottom?
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if topdir.x == -tubedir.x and topdir.y == -tubedir.y and topdir.z == -tubedir.z then
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return "bottom"
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end
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--we shall apply some maths to obtain the right-facing vector
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local rightdir = {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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--is this the right side?
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if rightdir.x == tubedir.x and rightdir.y == tubedir.y and rightdir.z == tubedir.z then
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return "right"
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end
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--or the left?
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if rightdir.x == -tubedir.x and rightdir.y == -tubedir.y and rightdir.z == -tubedir.z then
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return "left"
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end
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--we should be done by now; initiate panic mode
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minetest.log("error", "nodeside has been confused by its parameters; see pipeworks autoplace.lua, line 382")
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end
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function tube_autoroute(pos)
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local active = {0, 0, 0, 0, 0, 0}
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local nctr = minetest.get_node(pos)
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if not is_tube(nctr.name) then return end
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local adjustments = {
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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 },
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{ 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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}
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-- xm = 1, xp = 2, ym = 3, yp = 4, zm = 5, zp = 6
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local positions = {}
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local nodes = {}
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for i,adj in ipairs(adjustments) do
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positions[i] = {x=pos.x+adj.x, y=pos.y+adj.y, z=pos.z+adj.z}
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nodes[i] = minetest.get_node(positions[i])
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end
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for i,node in ipairs(nodes) do
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local idef = minetest.registered_nodes[node.name]
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-- handle the tubes themselves
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if is_tube(node.name) then
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active[i] = 1
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-- handle new style connectors
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elseif idef.tube and idef.tube.connects then
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-- connects returns true if self can connect w/ neighboring position
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-- it uses facesFront, facesTop etc to determine this
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-- pipeworks.connects.facingFront...
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if idef.tube.connects(i,param2) then active[i] = 1 end
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-- oops, handle the *other* newstyle connectors
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elseif idef.tube and idef.tube.connect_side then
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local dir = adjustments[i]
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if idef.connect_sides[nodeside(node, {x=-dir.x, y=-dir.y, z=-dir.z})] then active[i] = 1 end
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-- legacy stuff follows
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elseif string.find(node.name, "pipeworks:filter") ~= nil or string.find(node.name, "pipeworks:mese_filter") ~= nil then
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-- filters only connect to pipes on their output (despite appearances)
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-- input has to be a chest or furnace or something
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if pipeworks.connects.facingRight(i,node.param2)
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then
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active[i] = 1
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end
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elseif
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-- not the front
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string.find(node.name, "pipeworks:deployer_") ~= nil or
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string.find(node.name, "pipeworks:nodebreaker_") ~= nil or
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string.find(node.name, "technic:nodebreaker_") ~= nil
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then
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if not pipeworks.connects.facingFront(i,node.param2) then active[i] = 1 end
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elseif
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string.find(node.name, "default:furnace") ~= nil or
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string.find(node.name, "default:chest") or
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string.find(node.name, "default:chest_locked")
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then
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if not pipeworks.connects.facingFront(i,node.param2) or
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pipeworks.connects.facingTop(i,node.param2) then active[i] = 1 end
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elseif string.find(node.name, "pipeworks:autocrafter") ~= nil then
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active[i] = 1
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end
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end
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-- all sides checked, now figure which tube to use.
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nsurround = ""
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for i,n in ipairs(active) do
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nsurround = nsurround .. n
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end
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local newname=string.sub(nctr.name,1,-7)..nsurround
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if newname == nctr.name then return end
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local meta=minetest.get_meta(pos)
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local meta0=meta:to_table() -- XXX: hacky_swap_node
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nctr.name = newname
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minetest.add_node(pos, nctr)
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local meta=minetest.get_meta(pos)
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meta:from_table(meta0)
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local nctr = minetest.get_node(pos)
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end
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-- auto-rotation code for various devices the tubes attach to
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function pipes_scansurroundings(pos)
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pxm=0
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pxp=0
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pym=0
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pyp=0
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pzm=0
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pzp=0
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nxm = minetest.get_node({ x=pos.x-1, y=pos.y , z=pos.z })
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nxp = minetest.get_node({ x=pos.x+1, y=pos.y , z=pos.z })
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nym = minetest.get_node({ x=pos.x , y=pos.y-1, z=pos.z })
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nyp = minetest.get_node({ x=pos.x , y=pos.y+1, z=pos.z })
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nzm = minetest.get_node({ x=pos.x , y=pos.y , z=pos.z-1 })
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nzp = minetest.get_node({ x=pos.x , y=pos.y , z=pos.z+1 })
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if (string.find(nxm.name, "pipeworks:pipe_") ~= nil) then pxm=1 end
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if (string.find(nxp.name, "pipeworks:pipe_") ~= nil) then pxp=1 end
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if (string.find(nym.name, "pipeworks:pipe_") ~= nil) then pym=1 end
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if (string.find(nyp.name, "pipeworks:pipe_") ~= nil) then pyp=1 end
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if (string.find(nzm.name, "pipeworks:pipe_") ~= nil) then pzm=1 end
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if (string.find(nzp.name, "pipeworks:pipe_") ~= nil) then pzp=1 end
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-- Special handling for valves...
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if (string.find(nxm.name, "pipeworks:valve") ~= nil)
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and (nxm.param2 == 0 or nxm.param2 == 2) then
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pxm=1
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end
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if (string.find(nxp.name, "pipeworks:valve") ~= nil)
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and (nxp.param2 == 0 or nxp.param2 == 2) then
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pxp=1
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end
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if (string.find(nzm.name, "pipeworks:valve") ~= nil)
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and (nzm.param2 == 1 or nzm.param2 == 3) then
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pzm=1
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end
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if (string.find(nzp.name, "pipeworks:valve") ~= nil)
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and (nzp.param2 == 1 or nzp.param2 == 3) then
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pzp=1
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end
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-- ...flow sensors...
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if (string.find(nxm.name, "pipeworks:flow_sensor") ~= nil)
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and (nxm.param2 == 0 or nxm.param2 == 2) then
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pxm=1
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end
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if (string.find(nxp.name, "pipeworks:flow_sensor") ~= nil)
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and (nxp.param2 == 0 or nxp.param2 == 2) then
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pxp=1
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end
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if (string.find(nzm.name, "pipeworks:flow_sensor") ~= nil)
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and (nzm.param2 == 1 or nzm.param2 == 3) then
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pzm=1
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end
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if (string.find(nzp.name, "pipeworks:flow_sensor") ~= nil)
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and (nzp.param2 == 1 or nzp.param2 == 3) then
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pzp=1
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end
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-- ...spigots...
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if (string.find(nxm.name, "pipeworks:spigot") ~= nil)
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and nxm.param2 == 1 then
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pxm=1
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end
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if (string.find(nxp.name, "pipeworks:spigot") ~= nil)
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and nxp.param2 == 3 then
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pxp=1
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end
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if (string.find(nzm.name, "pipeworks:spigot") ~= nil)
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and nzm.param2 == 0 then
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pzm=1
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end
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if (string.find(nzp.name, "pipeworks:spigot") ~= nil)
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and nzp.param2 == 2 then
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pzp=1
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end
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-- ...sealed pipe entry/exit...
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if (string.find(nxm.name, "pipeworks:entry_panel") ~= nil)
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and (nxm.param2 == 1 or nxm.param2 == 3) then
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pxm=1
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end
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if (string.find(nxp.name, "pipeworks:entry_panel") ~= nil)
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and (nxp.param2 == 1 or nxp.param2 == 3) then
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pxp=1
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end
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if (string.find(nzm.name, "pipeworks:entry_panel") ~= nil)
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and (nzm.param2 == 0 or nzm.param2 == 2) then
|
|
pzm=1
|
|
end
|
|
|
|
if (string.find(nzp.name, "pipeworks:entry_panel") ~= nil)
|
|
and (nzp.param2 == 0 or nzp.param2 == 2) then
|
|
pzp=1
|
|
end
|
|
|
|
if (string.find(nym.name, "pipeworks:entry_panel") ~= nil)
|
|
and nym.param2 == 13 then
|
|
pym=1
|
|
end
|
|
|
|
if (string.find(nyp.name, "pipeworks:entry_panel") ~= nil)
|
|
and nyp.param2 == 13 then
|
|
pyp=1
|
|
end
|
|
|
|
|
|
-- ...pumps, grates...
|
|
|
|
if (string.find(nym.name, "pipeworks:grating") ~= nil) or
|
|
(string.find(nym.name, "pipeworks:pump") ~= nil) then
|
|
pym=1
|
|
end
|
|
|
|
-- ...fountainheads...
|
|
|
|
if (string.find(nyp.name, "pipeworks:fountainhead") ~= nil) then
|
|
pyp=1
|
|
end
|
|
|
|
-- ... and storage tanks.
|
|
|
|
if (string.find(nym.name, "pipeworks:storage_tank_") ~= nil) then
|
|
pym=1
|
|
end
|
|
|
|
if (string.find(nyp.name, "pipeworks:storage_tank_") ~= nil) then
|
|
pyp=1
|
|
end
|
|
|
|
-- ...extra devices specified via the function's parameters
|
|
-- ...except that this part is not implemented yet
|
|
--
|
|
-- xxx = nxm, nxp, nym, nyp, nzm, or nzp depending on the direction to check
|
|
-- yyy = pxm, pxp, pym, pyp, pzm, or pzp accordingly.
|
|
--
|
|
-- if string.find(xxx.name, "modname:nodename") ~= nil then
|
|
-- yyy = 1
|
|
-- end
|
|
--
|
|
-- for example:
|
|
--
|
|
-- if string.find(nym.name, "aero:outlet") ~= nil then
|
|
-- pym = 1
|
|
-- end
|
|
--
|
|
|
|
end
|
|
|
|
function pipe_look_for_stackable_tanks(pos)
|
|
local tym = minetest.get_node({ x=pos.x , y=pos.y-1, z=pos.z })
|
|
|
|
if string.find(tym.name, "pipeworks:storage_tank_") ~= nil or
|
|
string.find(tym.name, "pipeworks:expansion_tank_") ~= nil then
|
|
minetest.add_node(pos, { name = "pipeworks:expansion_tank_0", param2 = tym.param2})
|
|
end
|
|
end
|
|
|