From 3606a9bdfcd3dda888ff528b7e5071d35df05ef9 Mon Sep 17 00:00:00 2001
From: orwell <orwell@bleipb.de>
Date: Sat, 22 Jun 2024 19:35:48 +0200
Subject: Unassign signal on dig instead of needing button in signal form

---
 advtrains_interlocking/signal_api.lua | 23 ++++++++++++++++++++---
 advtrains_interlocking/tcb_ts_ui.lua  | 28 ++++++++--------------------
 2 files changed, 28 insertions(+), 23 deletions(-)

(limited to 'advtrains_interlocking')

diff --git a/advtrains_interlocking/signal_api.lua b/advtrains_interlocking/signal_api.lua
index 65fc787..eddf9da 100644
--- a/advtrains_interlocking/signal_api.lua
+++ b/advtrains_interlocking/signal_api.lua
@@ -419,12 +419,29 @@ end
 ----------------
 
 function signal.can_dig(pos)
-	return not advtrains.interlocking.db.get_sigd_for_signal(pos)
+	local sigd = advtrains.interlocking.db.get_sigd_for_signal(pos)
+	if sigd then
+		local tcbs = advtrains.interlocking.db.get_tcbs(sigd)
+		if tcbs.routeset then
+			return false
+		end
+	end
+	return true
 end
 
-function signal.after_dig(pos)
+function signal.after_dig(pos, oldnode, oldmetadata, player)
+	-- unassign signal if necessary
+	local sigd = advtrains.interlocking.db.get_sigd_for_signal(pos)
+	if sigd then
+		local tcbs = advtrains.interlocking.db.get_tcbs(sigd)
+		advtrains.interlocking.db.set_sigd_for_signal(pos, nil)
+		tcbs.signal = nil
+		tcbs.route_aspect = nil
+		tcbs.route_remote = nil
+		minetest.chat_send_player(player:get_player_name(), "Signal has been unassigned. Name and routes are kept for reuse.")
+	end
 	-- TODO clear influence point
-	advtrains.interlocking.signal.clear_aspect(pos)
+	advtrains.interlocking.signal.unregister_aspect(pos)
 end
 
 function signal.on_rightclick(pos, node, player, itemstack, pointed_thing)
diff --git a/advtrains_interlocking/tcb_ts_ui.lua b/advtrains_interlocking/tcb_ts_ui.lua
index 60be5f3..bdb0a18 100755
--- a/advtrains_interlocking/tcb_ts_ui.lua
+++ b/advtrains_interlocking/tcb_ts_ui.lua
@@ -639,8 +639,8 @@ function advtrains.interlocking.show_signalling_form(sigd, pname, sel_rte, calle
 				end
 			end
 			if hasprivs then
-				form = form.."button[0.5,8;2.5,1;newroute;New Route]"
-				form = form.."button[  3,8;2.5,1;unassign;Unassign Signal]"
+				form = form.."button[0.5,8;2.5,1;smartroute;Smart Route]"
+				form = form.."button[  3,8;2.5,1;newroute;New (Manual)]"
 				form = form..string.format("checkbox[0.5,8.75;ars;Automatic routesetting;%s]", not tcbs.ars_disabled)
 			end
 		elseif sigd_equal(tcbs.route_origin, sigd) then
@@ -730,6 +730,12 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 				tcbs.ars_ignore_next = nil
 				return
 			end
+			if fields.smartroute and hasprivs then
+				advtrains.interlocking.smartroute.init(pname, sigd)
+				minetest.close_formspec(pname, formname)
+				tcbs.ars_ignore_next = nil
+				return
+			end
 			if sel_rte and tcbs.routes[sel_rte] then
 				if fields.setroute then
 					ilrs.update_route(sigd, tcbs, sel_rte)
@@ -748,24 +754,6 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 			end
 		end
 		
-		if fields.unassign and hasprivs then
-			-- unassigning the signal from the tcbs
-			-- only when no route is set.
-			-- Routes and name remain saved, in case the player wants to reassign a new signal
-			if not tcbs.routeset then
-				local signal_pos = tcbs.signal
-				ildb.set_sigd_for_signal(signal_pos, nil)
-				tcbs.signal = nil
-				tcbs.route_aspect = nil
-				tcbs.route_remote = nil
-				minetest.close_formspec(pname, formname)
-				minetest.chat_send_player(pname, "Signal has been unassigned. Name and routes are kept for reuse.")
-				return
-			else
-				minetest.chat_send_player(pname, "Please cancel route first!")
-			end
-		end
-		
 		if fields.ars then
 			tcbs.ars_disabled = not minetest.is_yes(fields.ars)
 		end
-- 
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