From 953a7d1cc6008c8d4d8931cef000b1f64438db19 Mon Sep 17 00:00:00 2001 From: Novatux Date: Tue, 31 Dec 2013 10:59:27 +0100 Subject: [PATCH] Code for generating tables --- facedir_test.lua | 230 +++++++++++++++++++++++++++++++++++++++++++++++ init.lua | 3 + 2 files changed, 233 insertions(+) create mode 100644 facedir_test.lua diff --git a/facedir_test.lua b/facedir_test.lua new file mode 100644 index 0000000..fe8364a --- /dev/null +++ b/facedir_test.lua @@ -0,0 +1,230 @@ +facedir_table = {} +--facedir_table = {[0] = {["front"] = {["y"] = 0, ["x"] = 0, ["z"] = -1}, ["top"] = {["y"] = 1, ["x"] = 0, ["z"] = 0}}, [1] = {["front"] = {["y"] = 0, ["x"] = -1, ["z"] = 0}, ["top"] = {["y"] = 1, ["x"] = 0, ["z"] = 0}}, [2] = {["front"] = {["y"] = 0, ["x"] = 0, ["z"] = 1}, ["top"] = {["y"] = 1, ["x"] = 0, ["z"] = 0}}, [3] = {["front"] = {["y"] = 0, ["x"] = 1, ["z"] = 0}, ["top"] = {["y"] = 1, ["x"] = 0, ["z"] = 0}}, [4] = {["front"] = {["y"] = 1, ["x"] = 0, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 0, ["z"] = 1}}, [5] = {["front"] = {["y"] = 0, ["x"] = -1, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 0, ["z"] = 1}}, [6] = {["front"] = {["y"] = -1, ["x"] = 0, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 0, ["z"] = 1}}, [7] = {["front"] = {["y"] = 0, ["x"] = 1, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 0, ["z"] = 1}}, [8] = {["front"] = {["y"] = -1, ["x"] = 0, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 0, ["z"] = -1}}, [9] = {["front"] = {["y"] = 0, ["x"] = -1, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 0, ["z"] = -1}}, [10] = {["front"] = {["y"] = 1, ["x"] = 0, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 0, ["z"] = -1}}, [11] = {["front"] = {["y"] = 0, ["x"] = 1, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 0, ["z"] = -1}}, [12] = {["front"] = {["y"] = 0, ["x"] = 0, ["z"] = -1}, ["top"] = {["y"] = 0, ["x"] = 1, ["z"] = 0}}, [13] = {["front"] = {["y"] = 1, ["x"] = 0, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 1, ["z"] = 0}}, [14] = {["front"] = {["y"] = 0, ["x"] = 0, ["z"] = 1}, ["top"] = {["y"] = 0, ["x"] = 1, ["z"] = 0}}, [15] = {["front"] = {["y"] = -1, ["x"] = 0, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = 1, ["z"] = 0}}, [16] = {["front"] = {["y"] = 0, ["x"] = 0, ["z"] = -1}, ["top"] = {["y"] = 0, ["x"] = -1, ["z"] = 0}}, [17] = {["front"] = {["y"] = -1, ["x"] = 0, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = -1, ["z"] = 0}}, [18] = {["front"] = {["y"] = 0, ["x"] = 0, ["z"] = 1}, ["top"] = {["y"] = 0, ["x"] = -1, ["z"] = 0}}, [19] = {["front"] = {["y"] = 1, ["x"] = 0, ["z"] = 0}, ["top"] = {["y"] = 0, ["x"] = -1, ["z"] = 0}}, [20] = {["front"] = {["y"] = 0, ["x"] = 0, ["z"] = -1}, ["top"] = {["y"] = -1, ["x"] = 0, ["z"] = 0}}, [21] = {["front"] = {["y"] = 0, ["x"] = 1, ["z"] = 0}, ["top"] = {["y"] = -1, ["x"] = 0, ["z"] = 0}}, [22] = {["front"] = {["y"] = 0, ["x"] = 0, ["z"] = 1}, ["top"] = {["y"] = -1, ["x"] = 0, ["z"] = 0}}, [23] = {["front"] = {["y"] = 0, ["x"] = -1, ["z"] = 0}, ["top"] = {["y"] = -1, ["x"] = 0, ["z"] = 0}}} + +facedir_table = { + [0] = {front = {x = 0, y = 0, z = -1}, + top = {x = 0, y = 1, z = 0}}, + [1] = {front = {x = -1, y = 0, z = 0}, + top = {x = 0, y = 1, z = 0}}, + [2] = {front = {x = 0, y = 0, z = 1}, + top = {x = 0, y = 1, z = 0}}, + [3] = {front = {x = 1, y = 0, z = 0}, + top = {x = 0, y = 1, z = 0}}, + [4] = {front = {x = 0, y = 1, z = 0}, + top = {x = 0, y = 0, z = 1}}, + [5] = {front = {x = -1, y = 0, z = 0}, + top = {x = 0, y = 0, z = 1}}, + [6] = {front = {x = 0, y = -1, z = 0}, + top = {x = 0, y = 0, z = 1}}, + [7] = {front = {x = 1, y = 0, z = 0}, + top = {x = 0, y = 0, z = 1}}, + [8] = {front = {x = 0, y = -1, z = 0}, + top = {x = 0, y = 0, z = -1}}, + [9] = {front = {x = -1, y = 0, z = 0}, + top = {x = 0, y = 0, z = -1}}, + [10] = {front = {x = 0, y = 1, z = 0}, + top = {x = 0, y = 0, z = -1}}, + [11] = {front = {x = 1, y = 0, z = 0}, + top = {x = 0, y = 0, z = -1}}, + [12] = {front = {x = 0, y = 0, z = -1}, + top = {x = 1, y = 0, z = 0}}, + [13] = {front = {x = 0, y = 1, z = 0}, + top = {x = 1, y = 0, z = 0}}, + [14] = {front = {x = 0, y = 0, z = 1}, + top = {x = 1, y = 0, z = 0}}, + [15] = {front = {x = 0, y = -1, z = 0}, + top = {x = 1, y = 0, z = 0}}, + [16] = {front = {x = 0, y = 0, z = -1}, + top = {x = -1, y = 0, z = 0}}, + [17] = {front = {x = 0, y = -1, z = 0}, + top = {x = -1, y = 0, z = 0}}, + [18] = {front = {x = 0, y = 0, z = 1}, + top = {x = -1, y = 0, z = 0}}, + [19] = {front = {x = 0, y = 1, z = 0}, + top = {x = -1, y = 0, z = 0}}, + [20] = {front = {x = 0, y = 0, z = -1}, + top = {x = 0, y = -1, z = 0}}, + [21] = {front = {x = 1, y = 0, z = 0}, + top = {x = 0, y = -1, z = 0}}, + [22] = {front = {x = 0, y = 0, z = 1}, + top = {x = 0, y = -1, z = 0}}, + [23] = {front = {x = -1, y = 0, z = 0}, + top = {x = 0, y = -1, z = 0}}, +} + +local function table_pos(pos) + return "{x = "..pos.x..", y = "..pos.y..", z = "..pos.z.."}" +end + +--print("facedir_table = {") +--for i = 0, 23 do +-- print(" ["..i.."] = {front = "..table_pos(facedir_table[i].front)..",") +-- print(" top = "..table_pos(facedir_table[i].top).."},") +--end +--print("}") + +dirs_to_facedir_table = {} + +local function dir_to_side(dir) + local a = dir.x + 2*dir.y + 3*dir.z + if a > 0 then + return a - 1 + else + return 2 - a + end +end + +local function side_to_dir(side) + return ({{x = 1, y = 0, z = 0}, + {x = 0, y = 1, z = 0}, + {x = 0, y = 0, z = 1}, + {x = -1, y = 0, z = 0}, + {x = 0, y = -1, z = 0}, + {x = 0, y = 0, z = -1}})[side+1] +end + +for i = 0, 5 do + assert(dir_to_side(side_to_dir(i)) == i) +end + +for i = 0, 23 do + local top = dir_to_side(facedir_table[i].top) + local front = dir_to_side(facedir_table[i].front) + dirs_to_facedir_table[6*top+front] = i +end + +--dirs_to_facedir_table = {13, 14, nil, 15, 12, 3, nil, 2, 1, nil, 0, 7, 4, nil, 5, 6, nil, nil, 19, 18, nil, 17, 16, 21, nil, 22, 23, nil, 20, 11, 10, nil, 9, 8} + +for i = 0, 5 do +for j = 0, 5 do + if i%3 ~= j%3 then + local fd = dirs_to_facedir_table[6*i+j] + assert(dir_to_side(facedir_table[fd].top) == i) + assert(dir_to_side(facedir_table[fd].front) == j) + end +end +end + +local function cross(a, b) + return {x = a.y*b.z - a.z*b.y, + y = a.z*b.x - a.x*b.z, + z = a.x*b.y - a.y*b.x} +end + +local function facedir_from_dirs(top, front) + return dirs_to_facedir_table[6*dir_to_side(top)+dir_to_side(front)] +end + +local function rv(v, dir) + local vs = dir_to_side(v) + local side = dir_to_side(dir) + if vs%3 == side%3 then + return v + else + return cross(v, dir) + end +end + +local function rotate_from_side(facedir, dir) + local top = facedir_table[facedir].top + local front = facedir_table[facedir].front + return facedir_from_dirs(rv(top, dir), rv(front, dir)) +end + +local function rotate_side(facedir, side) + if side%3 == 1 then + if side == 1 then + return dir_to_side(facedir_table[facedir].top) + else + return (dir_to_side(facedir_table[facedir].top)+3)%6 + end + elseif side%3 == 2 then + if side == 5 then + return dir_to_side(facedir_table[facedir].front) + else + return (dir_to_side(facedir_table[facedir].front)+3)%6 + end + else + if side == 0 then + return dir_to_side(cross(facedir_table[facedir].front,facedir_table[facedir].top)) + else + return dir_to_side(cross(facedir_table[facedir].top,facedir_table[facedir].front)) + end + end +end + +local color = 0 +minetest.register_node("pipeworks:facedir_tester", { + description = "Facedir tester", + drawtype = "normal", + paramtype2 = "facedir", + tiles = {"pipeworks_red.png", "pipeworks_white.png", "pipeworks_white.png", "pipeworks_white.png", "pipeworks_white.png", "pipeworks_blue.png"}, + on_punch = function(pos, node) + node.param2 = 0 + minetest.set_node(pos, node) + end, + on_use = function(itemstack, user, pointed_thing) + if pointed_thing.type ~= "node" then return end + local pos = pointed_thing.under + local node = minetest.get_node(pos) + --if node.name ~= "pipeworks:facedir_tester" then return end + local dir = vector.subtract(pointed_thing.above, pointed_thing.under) + local facedir = node.param2 + local msg + if color == 0 then + color = 1 + msg = "Click BLUE side" + facedir_table[facedir].top = dir + else + color = 0 + msg = "Click RED side" + facedir_table[facedir].front = dir + dirs_to_facedir_table[6*dir_to_side(facedir_table[facedir].top)+dir_to_side(dir)] = facedir + node.param2 = (facedir+1)%24 + minetest.set_node(pos, node) + local r = vector.add(dir, minetest.facedir_to_dir(facedir)) + if r.x ~= 0 or r.y ~= 0 or r.z ~= 0 then + print("WTF?????????????????????????????????????????????????????????????", facedir) + end + end + minetest.chat_send_player(user:get_player_name(), msg) + --node.param2 = rotate_from_side(facedir, dir) + --minetest.swap_node(pos, node) + end +}) + +tube_table = {} +tube_table_facedirs = {} + +tubes = {{}, {0}, {0, 3}, {0, 1}, {0, 1, 2}, {0, 1, 3}, {0, 1, 2, 3}, {0, 1, 3, 4}, {0, 1, 2, 3, 4}, {0, 1, 2, 3, 4, 5}} +for index, tube in ipairs(tubes) do + for facedir = 23, 0, -1 do + local s = 0 + for _, i in ipairs(tube) do + s = s+2^rotate_side(facedir, i) + end + tube_table[s] = index + tube_table_facedirs[s] = facedir + end +end + +print(dump(tube_table)) +print(dump(tube_table_facedirs)) + +local s = "tube_table = {[0] = "..tube_table[0] +for i = 1, 63 do + s = s..", "..tube_table[i] +end +s = s.."}" +print(s) + +local s = "tube_table_facedirs = {[0] = "..tube_table_facedirs[0] +for i = 1, 63 do + s = s..", "..tube_table_facedirs[i] +end +s = s.."}" +print(s) + +--tube_table = {[0] = 1, 2, 2, 4, 2, 4, 4, 5, 2, 3, 4, 6, 4, 6, 5, 7, 2, 4, 3, 6, 4, 5, 6, 7, 4, 6, 6, 8, 5, 7, 7, 9, 2, 4, 4, 5, 3, 6, 6, 7, 4, 6, 5, 7, 6, 8, 7, 9, 4, 5, 6, 7, 6, 7, 8, 9, 5, 7, 7, 9, 7, 9, 9, 10} +--tube_table_facedirs = {[0] = 0, 0, 5, 0, 3, 4, 3, 0, 2, 0, 2, 0, 6, 4, 3, 0, 7, 12, 5, 12, 7, 4, 5, 5, 18, 20, 16, 0, 7, 4, 7, 0, 1, 8, 1, 1, 1, 13, 1, 1, 10, 8, 2, 2, 17, 4, 3, 6, 9, 9, 9, 9, 21, 13, 1, 1, 10, 10, 11, 2, 19, 4, 3, 0} + diff --git a/init.lua b/init.lua index 6964abc..0253b0e 100644 --- a/init.lua +++ b/init.lua @@ -114,6 +114,9 @@ dofile(pipeworks.modpath.."/flowing_logic.lua") dofile(pipeworks.modpath.."/crafts.lua") dofile(pipeworks.modpath.."/tubes.lua") + +dofile(pipeworks.modpath.."/facedir_test.lua") + if pipeworks.enable_pipes then dofile(pipeworks.modpath.."/pipes.lua") end if pipeworks.enable_teleport_tube then dofile(pipeworks.modpath.."/teleport_tube.lua") end if pipeworks.enable_pipe_devices then dofile(pipeworks.modpath.."/devices.lua") end