diff options
Diffstat (limited to 'autoplace.lua')
| -rw-r--r-- | autoplace.lua | 312 |
1 files changed, 216 insertions, 96 deletions
diff --git a/autoplace.lua b/autoplace.lua index 640c709..7801305 100644 --- a/autoplace.lua +++ b/autoplace.lua @@ -108,7 +108,6 @@ end function tube_scanforobjects(pos) if pos == nil then return end - print("tubes_scanforobjects called at pos "..dump(pos)) tube_autoroute({ x=pos.x-1, y=pos.y , z=pos.z }) tube_autoroute({ x=pos.x+1, y=pos.y , z=pos.z }) tube_autoroute({ x=pos.x , y=pos.y-1, z=pos.z }) @@ -129,104 +128,225 @@ function is_tube(nodename) return in_table(tubenodes,nodename) end -function tube_autoroute(pos) - local nctr = minetest.get_node(pos) +if pipeworks == nil then + pipeworks = {} +end + +-- this was tested experimentally, because I can't the whole bit arithematic + +-- with these facingRight means "We're facing the right side of whatever it is" +pipeworks.connects = { + -- a filter's output is on the right, input on the left + facingLeft = function (i,param2) + -- measured with a mese filter + if i == 1 then + return param2 == 2 or param2 == 6 or param2 == 10 or param2 == 20 + elseif i == 2 then + return param2 == 0 or param2 == 4 or param2 == 8 or param2 == 22 + elseif i == 3 then + return param2 == 7 or param2 == 9 or param2 == 12 or param2 == 18 + elseif i == 4 then + return param2 == 5 or param2 == 11 or param2 == 14 or param2 == 16 + elseif i == 5 then + return param2 == 1 or param2 == 13 or param2 == 17 or param2 == 21 + elseif i == 6 then + return param2 == 3 or param2 == 15 or param2 == 19 + end + end, + facingRight = function (i,param2) + -- measured with a mese filter + if i == 1 then + return param2 == 0 or param2 == 4 or param2 == 8 or param2 == 22 + elseif i == 2 then + return param2 == 2 or param2 == 6 or param2 == 10 or param2 == 20 + elseif i == 3 then + return param2 == 5 or param2 == 11 or param2 == 14 or param2 == 16 + elseif i == 4 then + return param2 == 7 or param2 == 9 or param2 == 12 or param2 == 18 + elseif i == 5 then + return param2 == 3 or param2 == 15 or param2 == 19 + elseif i == 6 then + return param2 == 1 or param2 == 13 or param2 == 17 or param2 == 21 + end + end, + facingFront = function (i,param2) + -- measured with a chest and a technic:nodebreaker + if i == 1 then + return param2 == 3 or param2 == 7 or param2 == 11 or param2 == 21 + elseif i == 2 then + return param2 == 1 or param2 == 5 or param2 == 9 + elseif i == 3 then + return param2 == 4 or param2 == 10 or param2 == 14 or param2 == 19 + elseif i == 4 then + return param2 == 6 or param2 == 8 or param2 == 15 or param2 == 17 + elseif i == 5 then + return param2 == 14 or param2 == 18 or param2 == 22 or param2 == 2 + elseif i == 6 then + return param2 == 12 or param2 == 16 or param2 == 20 or param2 == 0 + end + end, + facingSide = function (i,param2) + -- aka not top or bottom + -- measured with a chair + if i == 1 or i == 2 then + return not (param2 >= 12 and param2 <= 19) + elseif i == 3 or i == 4 then + return not ((param2 >= 0 and param2 < 4) or (param2 >= 20 and param2 <= 22)) + elseif i == 5 or i == 6 then + return not (param2 >= 4 and param2 <= 11) + end + end, + facingTop = function(i,param2) + -- measured with a chair + if i == 1 then + return param2 >= 16 and param2 <= 20 + elseif i == 2 then + return param2 >= 12 and param2 < 16 + elseif i == 3 then + return param2 >= 0 and param2 < 4 + elseif i == 4 then + return param2 >= 21 and param2 < 23 + elseif i == 5 then + return param2 >= 4 and param2 < 8 + elseif i == 6 then + return param2 >= 8 and param2 < 12 + -- else error bad value for i + end + end +} --a function for determining which side of the node we are on - local function nodeside(node, tubedir) - - --get a vector pointing back - local backdir = facedir_to_dir(node.param2) - - --check whether the vector is equivalent to the tube direction; if it is, the tube's on the backside - if backdir.x == tubedir.x and backdir.y == tubedir.y and backdir.z == tubedir.z then - return "back" - end - - --check whether the vector is antiparallel with the tube direction; that indicates the front - if backdir.x == -tubedir.x and backdir.y == -tubedir.y and backdir.z == -tubedir.z then - return "front" - end - - --facedir is defined in terms of the top-bottom axis of the node; we'll take advantage of that - local topdir = ({[0]={x=0, y=1, z=0}, - {x=0, y=0, z=1}, - {x=0, y=0, z=-1}, - {x=1, y=0, z=0}, - {x=-1, y=0, z=0}, - {x=0, y=-1, z=0}})[math.floor(node.param2/4)] - - --is this the top? - if topdir.x == tubedir.x and topdir.y == tubedir.y and topdir.z == tubedir.z then - return "top" - end - - --or the bottom? - if topdir.x == -tubedir.x and topdir.y == -tubedir.y and topdir.z == -tubedir.z then - return "bottom" - end - - --we shall apply some maths to obtain the right-facing vector - local rightdir = {x=topdir.y*backdir.z - backdir.y*topdir.z, - y=topdir.z*backdir.x - backdir.z*topdir.x, - z=topdir.x*backdir.y - backdir.x*topdir.y} - - --is this the right side? - if rightdir.x == tubedir.x and rightdir.y == tubedir.y and rightdir.z == tubedir.z then - return "right" - end - - --or the left? - if rightdir.x == -tubedir.x and rightdir.y == -tubedir.y and rightdir.z == -tubedir.z then - return "left" - end - - --we should be done by now; initiate panic mode - minetest.log("error", "nodeside has been confused by its parameters; see pipeworks autoplace.lua, line 382") - - end - ---a further function for determining whether we should extend a tube in a certain direction - local function surchar(dir) - - --get the node in that direction - local node = minetest.get_node{x=pos.x+dir.x, y=pos.y+dir.y, z=pos.z+dir.z} - - --and its tube table - local nodetube = minetest.registered_nodes[node.name].tube - - --choose a surround character - if nodetube and nodetube.connect_sides - and nodetube.connect_sides[nodeside(node, {x=-dir.x, y=-dir.y, z=-dir.z})] then - return '1' - else - return '0' - end - - end - ---keep track of the tube surroundings - local nsurround = "" - ---look in each direction - nsurround = nsurround..surchar{x=-1, y=0, z=0} - nsurround = nsurround..surchar{x=1, y=0, z=0} - nsurround = nsurround..surchar{x=0, y=-1, z=0} - nsurround = nsurround..surchar{x=0, y=1, z=0} - nsurround = nsurround..surchar{x=0, y=0, z=-1} - nsurround = nsurround..surchar{x=0, y=0, z=1} - --- Apply the final routing decisions to the existing tube (if any) - - if is_tube(nctr.name) then - local meta=minetest.get_meta(pos) - local meta0=meta:to_table() - nctr.name=string.sub(nctr.name,1,-7)..nsurround - minetest.add_node(pos, nctr) - local meta=minetest.get_meta(pos) - meta:from_table(meta0) - end +local function nodeside(node, tubedir) + --get a vector pointing back + local backdir = facedir_to_dir(node.param2) + + --check whether the vector is equivalent to the tube direction; if it is, the tube's on the backside + if backdir.x == tubedir.x and backdir.y == tubedir.y and backdir.z == tubedir.z then + return "back" + end + + --check whether the vector is antiparallel with the tube direction; that indicates the front + if backdir.x == -tubedir.x and backdir.y == -tubedir.y and backdir.z == -tubedir.z then + return "front" + end + + --facedir is defined in terms of the top-bottom axis of the node; we'll take advantage of that + local topdir = ({[0]={x=0, y=1, z=0}, + {x=0, y=0, z=1}, + {x=0, y=0, z=-1}, + {x=1, y=0, z=0}, + {x=-1, y=0, z=0}, + {x=0, y=-1, z=0}})[math.floor(node.param2/4)] + + --is this the top? + if topdir.x == tubedir.x and topdir.y == tubedir.y and topdir.z == tubedir.z then + return "top" + end + + --or the bottom? + if topdir.x == -tubedir.x and topdir.y == -tubedir.y and topdir.z == -tubedir.z then + return "bottom" + end + + --we shall apply some maths to obtain the right-facing vector + local rightdir = {x=topdir.y*backdir.z - backdir.y*topdir.z, + y=topdir.z*backdir.x - backdir.z*topdir.x, + z=topdir.x*backdir.y - backdir.x*topdir.y} + + --is this the right side? + if rightdir.x == tubedir.x and rightdir.y == tubedir.y and rightdir.z == tubedir.z then + return "right" + end + + --or the left? + if rightdir.x == -tubedir.x and rightdir.y == -tubedir.y and rightdir.z == -tubedir.z then + return "left" + end + + --we should be done by now; initiate panic mode + minetest.log("error", "nodeside has been confused by its parameters; see pipeworks autoplace.lua, line 382") +end +function tube_autoroute(pos) + local active = {0, 0, 0, 0, 0, 0} + local nctr = minetest.get_node(pos) + if not is_tube(nctr.name) then return end + + local adjustments = { + { x=-1, y=0, z=0 }, + { x=1, y=0, z=0 }, + { x=0, y=-1, z=0 }, + { x=0, y=1, z=0 }, + { x=0, y=0, z=-1 }, + { x=0, y=0, z=1 } + } + -- xm = 1, xp = 2, ym = 3, yp = 4, zm = 5, zp = 6 + + local positions = {} + local nodes = {} + for i,adj in ipairs(adjustments) do + positions[i] = {x=pos.x+adj.x, y=pos.y+adj.y, z=pos.z+adj.z} + nodes[i] = minetest.get_node(positions[i]) + end + + for i,node in ipairs(nodes) do + local idef = minetest.registered_nodes[node.name] + -- handle the tubes themselves + if is_tube(node.name) then + active[i] = 1 + -- handle new style connectors + elseif idef.tube and idef.tube.connects then + -- connects returns true if self can connect w/ neighboring position + -- it uses facesFront, facesTop etc to determine this + -- pipeworks.connects.facingFront... + if idef.tube.connects(i,param2) then active[i] = 1 end + -- oops, handle the *other* newstyle connectors + elseif idef.tube and idef.tube.connect_side then + local dir = adjustments[i] + if idef.connect_sides[nodeside(node, {x=-dir.x, y=-dir.y, z=-dir.z})] then active[i] = 1 end + + -- legacy stuff follows + elseif string.find(node.name, "pipeworks:filter") ~= nil or string.find(node.name, "pipeworks:mese_filter") ~= nil then + -- filters only connect to pipes on their output (despite appearances) + -- input has to be a chest or furnace or something + if pipeworks.connects.facingRight(i,node.param2) + then + active[i] = 1 + end + elseif + -- not the front + string.find(node.name, "pipeworks:deployer_") ~= nil or + string.find(node.name, "pipeworks:nodebreaker_") ~= nil or + string.find(node.name, "technic:nodebreaker_") ~= nil + then + if not pipeworks.connects.facingFront(i,node.param2) then active[i] = 1 end + elseif + string.find(node.name, "default:furnace") ~= nil or + string.find(node.name, "default:chest") or + string.find(node.name, "default:chest_locked") + then + if not pipeworks.connects.facingFront(i,node.param2) or + pipeworks.connects.facingTop(i,node.param2) then active[i] = 1 end + elseif string.find(node.name, "pipeworks:autocrafter") ~= nil then + active[i] = 1 + end + end + + -- all sides checked, now figure which tube to use. + + nsurround = "" + for i,n in ipairs(active) do + nsurround = nsurround .. n + end + local newname=string.sub(nctr.name,1,-7)..nsurround + if newname == nctr.name then return end + local meta=minetest.get_meta(pos) + local meta0=meta:to_table() -- XXX: hacky_swap_node + nctr.name = newname + minetest.add_node(pos, nctr) + local meta=minetest.get_meta(pos) + meta:from_table(meta0) + local nctr = minetest.get_node(pos) end -- auto-rotation code for various devices the tubes attach to |