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https://github.com/joe7575/techpack.git
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Bug fixes and improvements for tubes
This commit is contained in:
Joachim Stolberg
parent
f6382ee75c
commit
b291a3171b
@ -83,7 +83,8 @@ minetest.register_craft({
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})
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dofile(minetest.get_modpath("tubelib") .. "/tubes.lua")
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dofile(minetest.get_modpath("tubelib") .. "/tubes1.lua")
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dofile(minetest.get_modpath("tubelib") .. "/tubes2.lua")
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dofile(minetest.get_modpath("tubelib") .. "/command.lua")
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dofile(minetest.get_modpath("tubelib") .. "/states.lua")
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dofile(minetest.get_modpath("tubelib") .. "/pusher.lua")
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@ -1,542 +0,0 @@
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--[[
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Tube Library
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============
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Copyright (C) 2017 Joachim Stolberg
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LGPLv2.1+
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See LICENSE.txt for more information
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History:
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see init.lua
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Funtions for tube placement/alignment
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]]--
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--[[
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Tubes 1..5 can be placed according to 'param2'.
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The two openings point in the directions 'dir',
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(N=1, E=2, S=3, W=4, D=5, U=6)
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which corresponds to the following tube alignments:
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tube No | param2 | dir | alignment
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--------+--------+-----+-------------
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1 | 0 | N/S | 1*6 + 3 = 9
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1 | 1 | E/W | 2*6 + 4 = 16
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2 | 0 | D/U | 5*6 + 6 = 36
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3 | 0 | S/W | 3*6 + 4 = 22
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3 | 1 | N/W | 1*6 + 4 = 10
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3 | 2 | N/E | 1*6 + 2 = 8
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3 | 3 | E/S | 2*6 + 3 = 15
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4 | 0 | S/D | 3*6 + 5 = 23
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4 | 1 | W/D | 4*6 + 5 = 29
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4 | 2 | N/D | 1*6 + 5 = 11
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4 | 3 | E/D | 2*6 + 5 = 17
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5 | 0 | S/U | 3*6 + 6 = 24
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5 | 1 | W/U | 4*6 + 6 = 30
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5 | 2 | N/U | 1*6 + 6 = 12
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5 | 3 | E/U | 2*6 + 6 = 18
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]]--
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-- debugging
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local P = minetest.pos_to_string
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local MAX_TUBE_LENGTH = 100
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-- Conversion from tube alignment to tube number
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local TubeTypes = {
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0,0,0,0,0, 0,0,3,1,3, -- 01-10
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4,5,3,1,3, 1,4,5,1,3, -- 11-20
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1,3,4,5,3, 1,3,1,4,5, -- 21-30
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2,2,2,2,0, 2,2,2,5,2, -- 31-40
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5,0, -- 41-42
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}
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-- Conversion from tube alignment to param2
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local TubeParam2 = {
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0,0,0,0,0, 0,0,2,0,1, -- 01-10
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2,2,2,1,3, 1,3,3,0,3, -- 11-20
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0,0,0,0,1, 1,0,1,1,1, -- 21-30
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0,0,0,0,0, 0,0,0,0,0, -- 31-40
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0,0, -- 41-42
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}
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-- Conversion from tube number/param2 to tube hole dirs (view from the outside)
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local TubeHoles = {
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[10] = {1,3},
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[12] = {1,3},
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[11] = {2,4},
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[13] = {2,4},
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[20] = {5,6},
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[21] = {5,6},
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[22] = {5,6},
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[23] = {5,6},
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[30] = {1,2},
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[31] = {1,2},
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[32] = {1,2},
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[33] = {1,2},
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[31] = {3,2},
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[32] = {3,4},
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[33] = {1,4},
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[40] = {1,6},
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[41] = {2,6},
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[42] = {3,6},
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[43] = {4,6},
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[50] = {1,5},
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[51] = {2,5},
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[52] = {3,5},
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[53] = {4,5},
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}
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-- Convertion of 'dir' (view from the outside to inside and vs)
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local Turn180Deg = {3,4,1,2,6,5}
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local Dir2Offset = {
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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=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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}
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local TubeNames = {
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["tubelib:tube1"] = true,
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["tubelib:tube2"] = true,
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["tubelib:tube3"] = true,
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["tubelib:tube4"] = true,
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["tubelib:tube5"] = true,
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}
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-- used for registered nodes
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tubelib.KnownNodes = {
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["tubelib:tube1"] = true,
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["tubelib:tube2"] = true,
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["tubelib:tube3"] = true,
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["tubelib:tube4"] = true,
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["tubelib:tube5"] = true,
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}
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-- Convertion of contact side to facedir
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local SideToFacedir = {B=0, R=1, F=2, L=3, D=4, U=5}
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-------------------------------------------------------------------------------
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-- Helper functions
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-------------------------------------------------------------------------------
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local function in_list(list, x)
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for _, v in ipairs(list) do
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if v == x then return true end
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end
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return false
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end
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-- convert 6D-dir to position
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local function dir_to_pos(pos, dir)
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return vector.add(pos, Dir2Offset[dir])
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end
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-- return all 6 relevant surrounding positions
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local function get_6Pos(pos)
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return {
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{x=pos.x , y=pos.y , z=pos.z+1},
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{x=pos.x+1, y=pos.y , z=pos.z },
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{x=pos.x , y=pos.y , z=pos.z-1},
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{x=pos.x-1, y=pos.y , z=pos.z },
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{x=pos.x , y=pos.y-1, z=pos.z },
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{x=pos.x , y=pos.y+1, z=pos.z },
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}
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end
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-- Calculate the facedir to the other node, based on both node positions
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local function dir_to_facedir(my_pos, other_pos)
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if my_pos.z ~= other_pos.z then return my_pos.z - other_pos.z + 1 end
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if my_pos.x ~= other_pos.x then return my_pos.x - other_pos.x + 2 end
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if my_pos.y > other_pos.y then return 5 else return 4 end
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end
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-- The 'oldnode' on 'pos' had two ends and thus two neighbor position.
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local function nodetype_to_pos(pos, node)
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local key = (string.byte(node.name, -1) - 48) * 10 + (node.param2 % 4)
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local pos1 = dir_to_pos(pos, Turn180Deg[TubeHoles[key][1]])
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local pos2 = dir_to_pos(pos, Turn180Deg[TubeHoles[key][2]])
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return pos1, pos2
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end
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-- use Voxel Manipulator to read the node
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function tubelib.read_node_with_vm(pos)
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local vm = VoxelManip()
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local MinEdge, MaxEdge = vm:read_from_map(pos, pos)
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local data = vm:get_data()
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local param2_data = vm:get_param2_data()
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local area = VoxelArea:new({MinEdge = MinEdge, MaxEdge = MaxEdge})
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return {
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name = minetest.get_name_from_content_id(data[area:index(pos.x, pos.y, pos.z)]),
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param2 = param2_data[area:index(pos.x, pos.y, pos.z)]
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}
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end
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-- Walk to the other end of the tube line, starting at 'pos1'.
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-- Returns: cnt - number of tube nodes
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-- pos - the peer tube node
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-- pos1 - the drop position, next after 'pos'
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local function walk_to_peer(pos, pos1)
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local node = minetest.get_node(pos1)
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local cnt = 0
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while TubeNames[node.name] and cnt < MAX_TUBE_LENGTH do
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local new_pos1, new_pos2 = nodetype_to_pos(pos1, node)
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if vector.equals(new_pos1, pos) then
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pos = pos1
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pos1 = new_pos2
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elseif vector.equals(new_pos2, pos) then
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pos = pos1
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pos1 = new_pos1
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end
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cnt = cnt + 1
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node = minetest.get_node_or_nil(pos1) or tubelib.read_node_with_vm(pos1)
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end
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return cnt, pos, pos1
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end
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-- Delete meta data of the peer node
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local function delete_meta_data(pos, node)
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local pos1, pos2 = nodetype_to_pos(pos, node)
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if pos1 then
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local cnt, pos, pos1 = walk_to_peer(pos, pos1)
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-- delete meta on peer tube
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if cnt > 0 then
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minetest.get_meta(pos):from_table(nil)
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end
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end
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if pos2 then
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local cnt, pos, pos1 = walk_to_peer(pos, pos2)
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-- delete meta on peer tube
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if cnt > 0 then
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minetest.get_meta(pos):from_table(nil)
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end
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end
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end
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-------------------------------------------------------------------------------
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-- Place a tube node
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-------------------------------------------------------------------------------
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-- always use the smaller number first
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local function calc_alignment(dir1, dir2)
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if dir1 < dir2 then
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return dir1 * 6 + dir2
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else
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return dir2 * 6 + dir1
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end
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end
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-- Determine the tube alignment
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-- based on 2 neighbor tubes, or one neighbour
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-- and node.param2
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local function get_alignment(pos, lDirs, pitch)
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if #lDirs == 1 then
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if pitch > 1 then
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table.insert(lDirs, {dir = 6})
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elseif pitch < -1 then
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table.insert(lDirs, {dir = 5})
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else
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local node = minetest.get_node(pos)
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table.insert(lDirs, {dir = ((node.param2 + 2) % 4) + 1})
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end
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end
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if #lDirs >= 2 then
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return calc_alignment(lDirs[1].dir, lDirs[2].dir)
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end
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end
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-- return number of tubelib compatible nodes on the 6 surrounding positions
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-- plus their alignment
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local function get_num_conn(pos)
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local num = 0
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local lDir = {}
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for dir,npos in ipairs(get_6Pos(pos)) do
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local node = minetest.get_node(npos)
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if tubelib.KnownNodes[node.name] then
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num = num + 1
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table.insert(lDir, {dir=dir, almnt=0})
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end
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end
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return num, get_alignment(pos, lDir, 0)
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end
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local function open_hole(dir, name, param2)
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local key = (string.byte(name, -1) - 48) * 10 + param2
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if in_list(TubeHoles[key], dir) then
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return true
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end
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return false
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end
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-- Return all tubes with less then 3 connections
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local function get_any_neighbour_tubes(pos)
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local lAttr= {} -- used as result
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for dir,npos in ipairs(get_6Pos(pos)) do
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local node = minetest.get_node(npos)
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if TubeNames[node.name] then
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local num, almnt = get_num_conn(npos)
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if num < 3 then
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table.insert(lAttr, {dir=dir, almnt=almnt})
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end
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elseif tubelib.KnownNodes[node.name] then
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-- chests and other nodes
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table.insert(lAttr, {dir=dir, almnt=0})
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end
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end
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return lAttr
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end
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-- Return all tubes with holes pointing in 'pos' direction
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local function get_tubes_with_visible_holes(pos)
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local lAttr= {} -- used as result
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for dir,npos in ipairs(get_6Pos(pos)) do
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local node = minetest.get_node(npos)
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if TubeNames[node.name] then
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if open_hole(dir, node.name, node.param2) then
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table.insert(lAttr, {dir=dir})
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end
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elseif tubelib.KnownNodes[node.name] then
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-- chests and other nodes
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table.insert(lAttr, {dir=dir, almnt=0})
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end
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end
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return lAttr
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end
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local function update_tube(pos, dir, almnt)
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if dir then
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pos = dir_to_pos(pos, dir)
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end
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local node = minetest.get_node(pos)
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node.name = "tubelib:tube"..TubeTypes[almnt]
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node.param2 = TubeParam2[almnt]
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minetest.swap_node(pos, node)
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delete_meta_data(pos, node)
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end
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-- If tube has surrounding tubes with open ends,
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-- start the update process of the neighbour tubes and the new tube.
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local function update_tubes(pos, pitch)
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local lAttr = get_tubes_with_visible_holes(pos)
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if #lAttr > 0 then
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local almnt = get_alignment(pos, lAttr, pitch)
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update_tube(pos, nil, almnt)
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else
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lAttr = get_any_neighbour_tubes(pos)
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if #lAttr == 1 then
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update_tube(pos, lAttr[1].dir, lAttr[1].almnt)
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local almnt = get_alignment(pos, lAttr, pitch)
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update_tube(pos, nil, almnt)
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end
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end
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return true
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end
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-------------------------------------------------------------------------------
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-- Remove a tube node
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-------------------------------------------------------------------------------
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-- Update tubes after a tube node is removed
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local function after_tube_removed(pos, oldnode)
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local pos1, pos2 = nodetype_to_pos(pos, oldnode)
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if pos1 then
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local cnt, pos, pos1 = walk_to_peer(pos, pos1)
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-- delete meta on peer tube
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if cnt > 0 then
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minetest.get_meta(pos):from_table(nil)
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end
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end
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if pos2 then
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local cnt, pos, pos1 = walk_to_peer(pos, pos2)
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-- delete meta on peer tube
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if cnt > 0 then
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minetest.get_meta(pos):from_table(nil)
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end
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end
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end
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-------------------------------------------------------------------------------
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-- API functions
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-------------------------------------------------------------------------------
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local function remote_node(pos, npos)
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local meta = minetest.get_meta(npos)
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-- legacy tube?
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if meta:get_string("dest_pos2") ~= "" then
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meta:from_table(nil)
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end
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-- data available
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local dest_pos = meta:get_string("dest_pos")
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if dest_pos ~= "" then
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local npos = minetest.string_to_pos(dest_pos)
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local facedir = meta:get_int("facedir")
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return npos, facedir
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end
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-- determine data
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_,_, npos = walk_to_peer(pos, npos)
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local facedir = dir_to_facedir(pos, npos)
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meta:set_string("dest_pos", minetest.pos_to_string(npos))
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meta:set_int("facedir", facedir)
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return npos, facedir
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end
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-- Determine neighbor position and own facedir to the node.
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-- based on own pos and contact side 'B' - 'U'.
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-- Function considers also tube connections.
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function tubelib.get_neighbor_pos(pos, side)
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local facedir = SideToFacedir[side]
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if facedir < 4 then
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local node = minetest.get_node(pos)
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facedir = ((facedir + node.param2) % 4)
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end
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local npos = dir_to_pos(pos, facedir+1)
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local node = minetest.get_node(npos)
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if TubeNames[node.name] then
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npos, facedir = remote_node(pos, npos)
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end
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return npos, facedir
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end
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-------------------------------------------------------------------------------
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-- Node registration
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-------------------------------------------------------------------------------
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local DefNodeboxes = {
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-- x1 y1 z1 x2 y2 z2
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{ -1/4, -1/4, -1/4, 1/4, 1/4, 1/4 },
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{ -1/4, -1/4, -1/4, 1/4, 1/4, 1/4 },
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}
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local DirCorrections = {
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{3, 6}, {2, 5}, -- standard tubes
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{3, 1}, {3, 2}, {3, 5}, -- knees from front to..
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}
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local SelectBoxes = {
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{ -1/4, -1/4, -1/2, 1/4, 1/4, 1/2 },
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{ -1/4, -1/2, -1/4, 1/4, 1/2, 1/4 },
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{ -1/2, -1/4, -1/2, 1/4, 1/4, 1/4 },
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{ -1/4, -1/2, -1/2, 1/4, 1/4, 1/4 },
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{ -1/4, -1/4, -1/2, 1/4, 1/2, 1/4 },
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}
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local TilesData = {
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-- up, down, right, left, back, front
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{
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"tubelib_tube.png^[transformR90",
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"tubelib_tube.png^[transformR90",
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"tubelib_tube.png",
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"tubelib_tube.png",
|
||||
"tubelib_hole.png",
|
||||
"tubelib_hole.png",
|
||||
},
|
||||
{
|
||||
"tubelib_hole.png",
|
||||
"tubelib_hole.png",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
},
|
||||
{
|
||||
"tubelib_knee.png^[transformR270",
|
||||
"tubelib_knee.png^[transformR180",
|
||||
"tubelib_knee2.png^[transformR270",
|
||||
"tubelib_hole2.png^[transformR90",
|
||||
"tubelib_knee2.png^[transformR90",
|
||||
"tubelib_hole2.png^[transformR270",
|
||||
},
|
||||
{
|
||||
"tubelib_knee2.png",
|
||||
"tubelib_hole2.png^[transformR180",
|
||||
"tubelib_knee.png^[transformR270",
|
||||
"tubelib_knee.png",
|
||||
"tubelib_knee2.png",
|
||||
"tubelib_hole2.png",
|
||||
},
|
||||
{
|
||||
"tubelib_hole2.png",
|
||||
"tubelib_knee2.png^[transformR180",
|
||||
"tubelib_knee.png^[transformR180",
|
||||
"tubelib_knee.png^[transformR90",
|
||||
"tubelib_knee2.png^[transformR180",
|
||||
"tubelib_hole2.png^[transformR180",
|
||||
},
|
||||
}
|
||||
|
||||
|
||||
for idx,pos in ipairs(DirCorrections) do
|
||||
local node_box_data = table.copy(DefNodeboxes)
|
||||
node_box_data[1][pos[1]] = node_box_data[1][pos[1]] * 2
|
||||
node_box_data[2][pos[2]] = node_box_data[2][pos[2]] * 2
|
||||
|
||||
local tiles_data = TilesData[idx]
|
||||
local hidden
|
||||
|
||||
if idx == 1 then
|
||||
hidden = 0
|
||||
else
|
||||
hidden = 1
|
||||
end
|
||||
minetest.register_node("tubelib:tube"..idx, {
|
||||
description = "Tubelib Tube",
|
||||
tiles = tiles_data,
|
||||
drawtype = "nodebox",
|
||||
node_box = {
|
||||
type = "fixed",
|
||||
fixed = node_box_data,
|
||||
},
|
||||
selection_box = {
|
||||
type = "fixed",
|
||||
fixed = SelectBoxes[idx],
|
||||
},
|
||||
collision_box = {
|
||||
type = "fixed",
|
||||
fixed = SelectBoxes[idx],
|
||||
},
|
||||
|
||||
after_place_node = function(pos, placer, itemstack, pointed_thing)
|
||||
update_tubes(pos, placer:get_look_vertical())
|
||||
end,
|
||||
|
||||
after_dig_node = function(pos, oldnode, oldmetadata, digger)
|
||||
delete_meta_data(pos, oldnode)
|
||||
end,
|
||||
|
||||
on_rotate = screwdriver.disallow,
|
||||
paramtype2 = "facedir",
|
||||
paramtype = "light",
|
||||
sunlight_propagates = true,
|
||||
is_ground_content = false,
|
||||
groups = {choppy=2, cracky=3, stone=1, not_in_creative_inventory=hidden},
|
||||
drop = "tubelib:tube1",
|
||||
sounds = default.node_sound_wood_defaults(),
|
||||
})
|
||||
end
|
||||
|
||||
|
||||
minetest.register_craft({
|
||||
output = "tubelib:tube1 4",
|
||||
recipe = {
|
||||
{"default:steel_ingot", "", "group:wood"},
|
||||
{"", "group:wood", ""},
|
||||
{"group:wood", "", "default:tin_ingot"},
|
||||
},
|
||||
})
|
||||
276
tubelib/tubes1.lua
Normal file
276
tubelib/tubes1.lua
Normal file
@ -0,0 +1,276 @@
|
||||
--[[
|
||||
|
||||
Tube Library
|
||||
============
|
||||
|
||||
Copyright (C) 2017-2018 Joachim Stolberg
|
||||
|
||||
LGPLv2.1+
|
||||
See LICENSE.txt for more information
|
||||
|
||||
History:
|
||||
see init.lua
|
||||
|
||||
tubes1.lua: Functions to place and remove tubes
|
||||
|
||||
]]--
|
||||
|
||||
|
||||
-- debugging
|
||||
local P = minetest.pos_to_string
|
||||
|
||||
local MAX_TUBE_LENGTH = 100
|
||||
|
||||
-- Conversion from tube number/param2 (number*10 + param2) to tube hole dirs (view from the inside)
|
||||
local TubeDirs = {
|
||||
[10] = {1,3},
|
||||
[11] = {2,4},
|
||||
[12] = {1,3},
|
||||
[13] = {2,4},
|
||||
[20] = {5,6},
|
||||
[21] = {5,6},
|
||||
[22] = {5,6},
|
||||
[23] = {5,6},
|
||||
[30] = {3,4},
|
||||
[31] = {1,4},
|
||||
[32] = {1,2},
|
||||
[33] = {2,3},
|
||||
[40] = {3,5},
|
||||
[41] = {4,5},
|
||||
[42] = {1,5},
|
||||
[43] = {2,5},
|
||||
[50] = {3,6},
|
||||
[51] = {4,6},
|
||||
[52] = {1,6},
|
||||
[53] = {2,6},
|
||||
}
|
||||
|
||||
-- Conversion from tube dirs (dir1 * 10 + dir2) to tube number/param2
|
||||
local TubeNodeAttr = {}
|
||||
|
||||
for k,v in pairs(TubeDirs) do
|
||||
local key = v[1] * 10 + v[2]
|
||||
local number = math.floor(k / 10)
|
||||
local param2 = k % 10
|
||||
TubeNodeAttr[key] = {number = number, param2 = param2}
|
||||
end
|
||||
|
||||
|
||||
-- Convertion of 'dir' (view from the outside to inside and vs)
|
||||
local Turn180Deg = {3,4,1,2,6,5}
|
||||
|
||||
local Dir2Offset = {
|
||||
{x=0, y=0, z=1},
|
||||
{x=1, y=0, z=0},
|
||||
{x=0, y=0, z=-1},
|
||||
{x=-1, y=0, z=0},
|
||||
{x=0, y=-1, z=0},
|
||||
{x=0, y=1, z=0}
|
||||
}
|
||||
|
||||
tubelib.TubeNames = {
|
||||
["tubelib:tube1"] = true,
|
||||
["tubelib:tube2"] = true,
|
||||
["tubelib:tube3"] = true,
|
||||
["tubelib:tube4"] = true,
|
||||
["tubelib:tube5"] = true,
|
||||
}
|
||||
|
||||
-- used for registered nodes
|
||||
tubelib.KnownNodes = {
|
||||
["tubelib:tube1"] = true,
|
||||
["tubelib:tube2"] = true,
|
||||
["tubelib:tube3"] = true,
|
||||
["tubelib:tube4"] = true,
|
||||
["tubelib:tube5"] = true,
|
||||
}
|
||||
|
||||
-- use Voxel Manipulator to read the node
|
||||
function tubelib.read_node_with_vm(pos)
|
||||
local vm = VoxelManip()
|
||||
local MinEdge, MaxEdge = vm:read_from_map(pos, pos)
|
||||
local data = vm:get_data()
|
||||
local param2_data = vm:get_param2_data()
|
||||
local area = VoxelArea:new({MinEdge = MinEdge, MaxEdge = MaxEdge})
|
||||
return {
|
||||
name = minetest.get_name_from_content_id(data[area:index(pos.x, pos.y, pos.z)]),
|
||||
param2 = param2_data[area:index(pos.x, pos.y, pos.z)]
|
||||
}
|
||||
end
|
||||
|
||||
local function get_tube_number_and_param2(dir1, dir2)
|
||||
if dir1 == dir2 then
|
||||
dir2 = Turn180Deg[dir1]
|
||||
end
|
||||
if dir1 > dir2 then
|
||||
dir1, dir2 = dir2, dir1
|
||||
end
|
||||
local item = TubeNodeAttr[dir1*10 + dir2]
|
||||
return item.number, item.param2
|
||||
end
|
||||
|
||||
-- convert 6D-dir to position
|
||||
local function get_tube_pos(pos, dir)
|
||||
return vector.add(pos, Dir2Offset[dir])
|
||||
end
|
||||
|
||||
-- Tube open sides
|
||||
local function get_tube_dirs(pos, node)
|
||||
if node == nil then
|
||||
node = minetest.get_node_or_nil(pos) or tubelib.read_node_with_vm(pos)
|
||||
end
|
||||
if tubelib.TubeNames[node.name] then
|
||||
local ttype = (string.byte(node.name, -1) - 48) * 10 + node.param2
|
||||
return TubeDirs[ttype][1], TubeDirs[ttype][2]
|
||||
end
|
||||
return nil, nil
|
||||
end
|
||||
|
||||
function tubelib.get_next_tube(pos, dir)
|
||||
pos = get_tube_pos(pos, dir)
|
||||
local dir1, dir2 = get_tube_dirs(pos)
|
||||
|
||||
if dir1 then
|
||||
dir = Turn180Deg[dir]
|
||||
if dir == dir1 then
|
||||
return pos, dir2
|
||||
elseif dir == dir2 then
|
||||
return pos, dir1
|
||||
end
|
||||
end
|
||||
return pos, nil
|
||||
end
|
||||
|
||||
local function get_next_node(pos, dir)
|
||||
pos = get_tube_pos(pos, dir)
|
||||
local node = minetest.get_node_or_nil(pos) or tubelib.read_node_with_vm(pos)
|
||||
if tubelib.KnownNodes[node.name] then
|
||||
return node
|
||||
end
|
||||
return nil
|
||||
end
|
||||
|
||||
|
||||
-- Walk to the other end of the tube line, starting at 'pos/dir'.
|
||||
-- Returns: cnt - number of tube nodes
|
||||
-- pos - the peer tube node
|
||||
-- dir - dir to the drop position, next after 'pos'
|
||||
function tubelib.walk_to_peer(pos, dir)
|
||||
local cnt = 0
|
||||
while cnt < MAX_TUBE_LENGTH do
|
||||
local new_pos, new_dir = tubelib.get_next_tube(pos, dir)
|
||||
if not new_dir then
|
||||
break
|
||||
end
|
||||
cnt = cnt + 1
|
||||
pos, dir = new_pos, new_dir
|
||||
end
|
||||
return cnt, pos, dir
|
||||
end
|
||||
|
||||
-- Delete meta data of the peer node
|
||||
function tubelib.delete_meta_data(pos, node)
|
||||
local dir1, dir2 = get_tube_dirs(pos, node)
|
||||
local cnt1 = 0
|
||||
local dir
|
||||
if dir1 then
|
||||
cnt1, pos, dir = tubelib.walk_to_peer(pos, dir1)
|
||||
-- delete meta on peer tube
|
||||
if cnt1 > 0 then
|
||||
minetest.get_meta(pos):from_table(nil)
|
||||
end
|
||||
end
|
||||
local cnt2 = 0
|
||||
if dir2 then
|
||||
cnt2, pos, dir = tubelib.walk_to_peer(pos, dir2)
|
||||
-- delete meta on peer tube
|
||||
if cnt2 > 0 then
|
||||
minetest.get_meta(pos):from_table(nil)
|
||||
end
|
||||
end
|
||||
return cnt1 + cnt2
|
||||
end
|
||||
|
||||
local function swap_node(pos, node_num, param2)
|
||||
local node = minetest.get_node(pos)
|
||||
node.name = "tubelib:tube"..node_num
|
||||
node.param2 = param2
|
||||
minetest.swap_node(pos, node)
|
||||
end
|
||||
|
||||
local function is_connected(pos, dir)
|
||||
if dir then
|
||||
pos = get_tube_pos(pos, dir)
|
||||
local dir1,dir2 = get_tube_dirs(pos)
|
||||
-- return true if connected
|
||||
dir = Turn180Deg[dir]
|
||||
return dir == dir1 or dir == dir2
|
||||
end
|
||||
return false
|
||||
end
|
||||
|
||||
local function is_tubelib_block(pos, dir)
|
||||
if dir then
|
||||
pos = get_tube_pos(pos, dir)
|
||||
local dir1,dir2 = get_tube_dirs(pos)
|
||||
-- return true if connected
|
||||
dir = Turn180Deg[dir]
|
||||
return dir == dir1 or dir == dir2
|
||||
end
|
||||
return false
|
||||
end
|
||||
local function update_next_tube(dir, pos)
|
||||
-- test if tube is connected with neighbor tubes
|
||||
local dir1, dir2 = get_tube_dirs(pos)
|
||||
local conn1 = is_connected(pos, dir1)
|
||||
local conn2 = is_connected(pos, dir2)
|
||||
-- already connected or no tube arround?
|
||||
if conn1 == conn2 then
|
||||
return
|
||||
end
|
||||
if conn1 then
|
||||
dir2 = Turn180Deg[dir]
|
||||
else
|
||||
dir1 = Turn180Deg[dir]
|
||||
end
|
||||
local node_num, param2 = get_tube_number_and_param2(dir1, dir2)
|
||||
swap_node(pos, node_num, param2)
|
||||
end
|
||||
|
||||
-- update new placed tube
|
||||
local function update_tube(pos, dir)
|
||||
local dir1 = nil
|
||||
local dir2 = nil
|
||||
-- search on all 6 pos for up to 2 tubes with open holes or
|
||||
-- other tubelib compatible nodes
|
||||
for dir = 1,6 do
|
||||
if not dir1 and is_connected(pos, dir) then
|
||||
dir1 = dir
|
||||
elseif not dir1 and get_next_node(pos, dir) then
|
||||
dir1 = dir
|
||||
elseif not dir2 and is_connected(pos, dir) then
|
||||
dir2 = dir
|
||||
elseif not dir2 and get_next_node(pos, dir) then
|
||||
dir2 = dir
|
||||
end
|
||||
end
|
||||
dir1 = dir1 or dir
|
||||
dir2 = dir2 or Turn180Deg[dir]
|
||||
local node_num, param2 = get_tube_number_and_param2(dir1, dir2)
|
||||
swap_node(pos, node_num, param2)
|
||||
end
|
||||
|
||||
function tubelib.update_tubes(pos, dir)
|
||||
-- Update all tubes arround the currently placed tube
|
||||
update_next_tube(1, {x=pos.x , y=pos.y , z=pos.z+1})
|
||||
update_next_tube(2, {x=pos.x+1, y=pos.y , z=pos.z })
|
||||
update_next_tube(3, {x=pos.x , y=pos.y , z=pos.z-1})
|
||||
update_next_tube(4, {x=pos.x-1, y=pos.y , z=pos.z })
|
||||
update_next_tube(5, {x=pos.x , y=pos.y-1, z=pos.z })
|
||||
update_next_tube(6, {x=pos.x , y=pos.y+1, z=pos.z })
|
||||
-- Update the placed tube
|
||||
update_tube(pos, dir)
|
||||
return tubelib.delete_meta_data(pos, minetest.get_node(pos)) < MAX_TUBE_LENGTH
|
||||
end
|
||||
|
||||
|
||||
214
tubelib/tubes2.lua
Normal file
214
tubelib/tubes2.lua
Normal file
@ -0,0 +1,214 @@
|
||||
--[[
|
||||
|
||||
Tube Library
|
||||
============
|
||||
|
||||
Copyright (C) 2017-2018 Joachim Stolberg
|
||||
|
||||
LGPLv2.1+
|
||||
See LICENSE.txt for more information
|
||||
|
||||
History:
|
||||
see init.lua
|
||||
|
||||
tubes2.lua: Node registration and API function to move items via tubes
|
||||
|
||||
]]--
|
||||
|
||||
-- Convertion of contact side to facedir
|
||||
local SideToFacedir = {B=0, R=1, F=2, L=3, D=4, U=5}
|
||||
|
||||
-- Calculate the facedir to the other node, based on both node positions
|
||||
local function dir_to_facedir(my_pos, other_pos)
|
||||
if my_pos.z ~= other_pos.z then return my_pos.z - other_pos.z + 1 end
|
||||
if my_pos.x ~= other_pos.x then return my_pos.x - other_pos.x + 2 end
|
||||
if my_pos.y > other_pos.y then return 5 else return 4 end
|
||||
end
|
||||
|
||||
local function remote_node(pos, dir)
|
||||
local meta = minetest.get_meta(pos)
|
||||
local cnt
|
||||
|
||||
-- legacy tube?
|
||||
if meta:get_string("dest_pos2") ~= "" then
|
||||
meta:from_table(nil)
|
||||
end
|
||||
|
||||
-- data available
|
||||
local dest_pos = meta:get_string("dest_pos")
|
||||
if dest_pos ~= "" then
|
||||
local npos = minetest.string_to_pos(dest_pos)
|
||||
local facedir = meta:get_int("facedir")
|
||||
return npos, facedir+1
|
||||
end
|
||||
|
||||
-- determine data and store as meta
|
||||
cnt, pos, dir = tubelib.walk_to_peer(pos, dir)
|
||||
local pos1,_ = tubelib.get_next_tube(pos, dir)
|
||||
meta:set_string("dest_pos", minetest.pos_to_string(pos1))
|
||||
meta:set_int("facedir", dir - 1)
|
||||
|
||||
return pos1, dir
|
||||
end
|
||||
|
||||
-- Determine neighbor position and own facedir to the node.
|
||||
-- based on own pos and contact side 'B' - 'U'.
|
||||
-- Function considers also tube connections.
|
||||
function tubelib.get_neighbor_pos(pos, side)
|
||||
local facedir = SideToFacedir[side]
|
||||
local dir
|
||||
if facedir < 4 then
|
||||
local node = minetest.get_node(pos)
|
||||
dir = ((facedir + node.param2) % 4) + 1
|
||||
end
|
||||
local npos, ndir = tubelib.get_next_tube(pos, dir)
|
||||
local node = minetest.get_node(npos)
|
||||
if tubelib.TubeNames[node.name] then
|
||||
npos, ndir = remote_node(npos, ndir)
|
||||
return npos, dir-1
|
||||
end
|
||||
return npos, facedir
|
||||
end
|
||||
|
||||
|
||||
-------------------------------------------------------------------------------
|
||||
-- Node registration
|
||||
-------------------------------------------------------------------------------
|
||||
|
||||
local DefNodeboxes = {
|
||||
-- x1 y1 z1 x2 y2 z2
|
||||
{ -1/4, -1/4, -1/4, 1/4, 1/4, 1/4 },
|
||||
{ -1/4, -1/4, -1/4, 1/4, 1/4, 1/4 },
|
||||
}
|
||||
|
||||
local DirCorrections = {
|
||||
{3, 6}, {2, 5}, -- standard tubes
|
||||
{3, 1}, {3, 2}, {3, 5}, -- knees from front to..
|
||||
}
|
||||
|
||||
local SelectBoxes = {
|
||||
{ -1/4, -1/4, -1/2, 1/4, 1/4, 1/2 },
|
||||
{ -1/4, -1/2, -1/4, 1/4, 1/2, 1/4 },
|
||||
{ -1/2, -1/4, -1/2, 1/4, 1/4, 1/4 },
|
||||
{ -1/4, -1/2, -1/2, 1/4, 1/4, 1/4 },
|
||||
{ -1/4, -1/4, -1/2, 1/4, 1/2, 1/4 },
|
||||
}
|
||||
|
||||
local TilesData = {
|
||||
-- up, down, right, left, back, front
|
||||
{
|
||||
"tubelib_tube.png^[transformR90",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
"tubelib_tube.png",
|
||||
"tubelib_tube.png",
|
||||
"tubelib_hole.png",
|
||||
"tubelib_hole.png",
|
||||
},
|
||||
{
|
||||
"tubelib_hole.png",
|
||||
"tubelib_hole.png",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
"tubelib_tube.png^[transformR90",
|
||||
},
|
||||
{
|
||||
"tubelib_knee.png^[transformR270",
|
||||
"tubelib_knee.png^[transformR180",
|
||||
"tubelib_knee2.png^[transformR270",
|
||||
"tubelib_hole2.png^[transformR90",
|
||||
"tubelib_knee2.png^[transformR90",
|
||||
"tubelib_hole2.png^[transformR270",
|
||||
},
|
||||
{
|
||||
"tubelib_knee2.png",
|
||||
"tubelib_hole2.png^[transformR180",
|
||||
"tubelib_knee.png^[transformR270",
|
||||
"tubelib_knee.png",
|
||||
"tubelib_knee2.png",
|
||||
"tubelib_hole2.png",
|
||||
},
|
||||
{
|
||||
"tubelib_hole2.png",
|
||||
"tubelib_knee2.png^[transformR180",
|
||||
"tubelib_knee.png^[transformR180",
|
||||
"tubelib_knee.png^[transformR90",
|
||||
"tubelib_knee2.png^[transformR180",
|
||||
"tubelib_hole2.png^[transformR180",
|
||||
},
|
||||
}
|
||||
|
||||
|
||||
for idx,pos in ipairs(DirCorrections) do
|
||||
local node_box_data = table.copy(DefNodeboxes)
|
||||
node_box_data[1][pos[1]] = node_box_data[1][pos[1]] * 2
|
||||
node_box_data[2][pos[2]] = node_box_data[2][pos[2]] * 2
|
||||
|
||||
local tiles_data = TilesData[idx]
|
||||
local hidden
|
||||
|
||||
if idx == 1 then
|
||||
hidden = 0
|
||||
else
|
||||
hidden = 1
|
||||
end
|
||||
minetest.register_node("tubelib:tube"..idx, {
|
||||
description = "Tubelib Tube",
|
||||
tiles = tiles_data,
|
||||
drawtype = "nodebox",
|
||||
node_box = {
|
||||
type = "fixed",
|
||||
fixed = node_box_data,
|
||||
},
|
||||
selection_box = {
|
||||
type = "fixed",
|
||||
fixed = SelectBoxes[idx],
|
||||
},
|
||||
collision_box = {
|
||||
type = "fixed",
|
||||
fixed = SelectBoxes[idx],
|
||||
},
|
||||
|
||||
after_place_node = function(pos, placer, itemstack, pointed_thing)
|
||||
local res
|
||||
local pitch = placer:get_look_pitch()
|
||||
if pitch > 1 then
|
||||
res = tubelib.update_tubes(pos, 6)
|
||||
elseif pitch < -1 then
|
||||
res = tubelib.update_tubes(pos, 5)
|
||||
else
|
||||
local dir = placer:get_look_dir()
|
||||
local facedir = minetest.dir_to_facedir(dir)
|
||||
res = tubelib.update_tubes(pos, facedir + 1)
|
||||
end
|
||||
if res == false then
|
||||
tubelib.delete_meta_data(pos, minetest.get_node(pos))
|
||||
minetest.remove_node(pos)
|
||||
return itemstack
|
||||
end
|
||||
end,
|
||||
|
||||
after_dig_node = function(pos, oldnode, oldmetadata, digger)
|
||||
tubelib.delete_meta_data(pos, oldnode)
|
||||
end,
|
||||
|
||||
on_rotate = screwdriver.disallow,
|
||||
paramtype2 = "facedir",
|
||||
paramtype = "light",
|
||||
sunlight_propagates = true,
|
||||
is_ground_content = false,
|
||||
groups = {choppy=2, cracky=3, stone=1, not_in_creative_inventory=hidden},
|
||||
drop = "tubelib:tube1",
|
||||
sounds = default.node_sound_wood_defaults(),
|
||||
})
|
||||
end
|
||||
|
||||
|
||||
minetest.register_craft({
|
||||
output = "tubelib:tube1 4",
|
||||
recipe = {
|
||||
{"default:steel_ingot", "", "group:wood"},
|
||||
{"", "group:wood", ""},
|
||||
{"group:wood", "", "default:tin_ingot"},
|
||||
},
|
||||
})
|
||||
Loading…
Reference in New Issue
Block a user