Connect the ropes, start on making the UI work

1 files changed, 0 insertions, 200 deletions

diff --git a/advtrains_interlocking/distant.lua b/advtrains_interlocking/distant.lua
deleted file mode 100644
index 32ada82..0000000
--- a/advtrains_interlocking/distant.lua
+++ /dev/null
@@ -1,200 +0,0 @@
---- Distant signaling.
--- This module implements a database backend for distant signal assignments.
--- The actual modifications to signal aspects are still done by signal aspect accessors.
--- @module advtrains.interlocking.distant
-
-local db_distant = {}
-local db_distant_of = {}
-
-local pts = advtrains.encode_pos
-local stp = advtrains.decode_pos
-
---- Replace the distant signal assignment database.
--- @function load
--- @param db The new database to load.
-local function db_load(x)
-	if type(x) ~= "table" then
-		return
-	end
-	db_distant = x.distant
-	db_distant_of = x.distant_of
-end
-
---- Retrieve the current distant signal assignment database.
--- @function save
--- @return The current database.
-local function db_save()
-	return {
-		distant = db_distant,
-		distant_of = db_distant_of,
-	}
-end
-
-local update_signal, update_main, update_dst
-
---- Unassign a distant signal.
--- @function unassign_dst
--- @param dst The position of the distant signal.
--- @param[opt=false] force Whether to skip callbacks.
-local function unassign_dst(dst, force)
-	local pts_dst = pts(dst)
-	local main = db_distant_of[pts_dst]
-	db_distant_of[pts_dst] = nil
-	if main then
-		local pts_main = main[1]
-		local t = db_distant[pts_main]
-		if t then
-			t[pts_dst] = nil
-		end
-	end
-	if not force then
-		update_dst(dst)
-	end
-end
-
---- Unassign a main signal.
--- @function unassign_main
--- @param main The position of the main signal.
--- @param[opt=false] force Whether to skip callbacks.
-local function unassign_main(main, force)
-	local pts_main = pts(main)
-	local t = db_distant[pts_main]
-	if not t then
-		return
-	end
-	for pts_dst in pairs(t) do
-		local realmain = db_distant_of[pts_dst]
-		if realmain and realmain[1] == pts_main then
-			db_distant_of[pts_dst] = nil
-			if not force then
-				local dst = stp(pts_dst)
-				update_dst(dst)
-			end
-		end
-	end
-	db_distant[pts_main] = nil
-end
-
---- Remove all (main and distant) signal assignments from a signal.
--- @function unassign_all
--- @param pos The position of the signal.
--- @param[opt=false] force Whether to skip callbacks.
-local function unassign_all(pos, force)
-	unassign_main(pos)
-	unassign_dst(pos, force)
-end
-
---- Check whether a signal is "appropriate" for the distant signal system.
--- Currently, a signal is considered appropriate if its signal aspect can be set.
--- @function appropriate_signal
--- @param pos The position of the signal
-local function appropriate_signal(pos)
-	local node = advtrains.ndb.get_node(pos)
-	local ndef = minetest.registered_nodes[node.name] or {}
-	if not ndef then
-		return false
-	end
-	local atdef = ndef.advtrains
-	if not atdef then
-		return false
-	end
-	return atdef.supported_aspects and atdef.set_aspect and true
-end
-
---- Assign a distant signal to a main signal.
--- @function assign
--- @param main The position of the main signal.
--- @param dst The position of the distant signal.
--- @param[opt="manual"] by The method of assignment.
--- @param[opt=false] skip_update Whether to skip callbacks.
-local function assign(main, dst, by, skip_update)
-	if not (appropriate_signal(main) and appropriate_signal(dst)) then
-		return
-	end
-	local pts_main = pts(main)
-	local pts_dst = pts(dst)
-	local t = db_distant[pts_main]
-	if not t then
-		t = {}
-		db_distant[pts_main] = t
-	end
-	if not by then
-		by = "manual"
-	end
-	unassign_dst(dst, true)
-	t[pts_dst] = by
-	db_distant_of[pts_dst] = {pts_main, by}
-	if not skip_update then
-		update_dst(dst)
-	end
-end
-
---- Get the distant signals assigned to a main signal.
--- @function get_distant
--- @param main The position of the main signal.
--- @treturn {[pos]=by,...} A table of distant signals, with the positions encoded using `advtrains.encode_pos`.
-local function get_distant(main)
-	local pts_main = pts(main)
-	return db_distant[pts_main] or {}
-end
-
---- Get the main signal assigned the a distant signal.
--- @function get_main
--- @param dst The position of the distant signal.
--- @return The position of the main signal.
--- @return The method of assignment.
-local function get_main(dst)
-	local pts_dst = pts(dst)
-	local main = db_distant_of[pts_dst]
-	if not main then
-		return
-	end
-	if main[1] then
-		return stp(main[1]), unpack(main, 2)
-	else
-		return unpack(main)
-	end
-end
-
---- Update all distant signals assigned to a main signal.
--- @function update_main
--- @param main The position of the main signal.
-update_main = function(main)
-	local pts_main = pts(main)
-	local t = get_distant(main)
-	for pts_dst in pairs(t) do
-		local dst = stp(pts_dst)
-		advtrains.interlocking.signal_readjust_aspect(dst)
-	end
-end
-
---- Update the aspect of a distant signal.
--- @function update_dst
--- @param dst The position of the distant signal.
-update_dst = function(dst)
-	advtrains.interlocking.signal_readjust_aspect(dst)
-end
-
---- Update the aspect of a combined (main and distant) signal and all distant signals assigned to it.
--- @function update_signal
--- @param pos The position of the signal.
-update_signal = function(pos)
-	update_main(pos)
-	update_dst(pos)
-end
-
-advtrains.distant = {
-	load = db_load,
-	save = db_save,
-	assign = assign,
-	unassign_dst = unassign_dst,
-	unassign_main = unassign_main,
-	unassign_all = unassign_all,
-	get_distant = get_distant,
-	get_dst = get_distant,
-	get_main = get_main,
-	update_main = update_main,
-	update_dst = update_dst,
-	update_signal = update_signal,
-	appropriate_signal = appropriate_signal,
-}