Code for generating tablesorigin/table_gen

2 files changed, 233 insertions, 0 deletions

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