From a34347c6642d89a44960aeddc372891744cded15 Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 26 Mar 2014 22:44:31 +0200
Subject: [PATCH] Support waypoints in Timetable

---
 data/timetablepanel.ui             |  1 +
 source/engineer/timetablepanel.cpp |  1 +
 source/libr2c2/timetable.cpp       | 25 +++++++++++++++++++++----
 source/libr2c2/timetable.h         |  4 +++-
 4 files changed, 26 insertions(+), 5 deletions(-)

diff --git a/data/timetablepanel.ui b/data/timetablepanel.ui
index 3bd48da..5d9b169 100644
--- a/data/timetablepanel.ui
+++ b/data/timetablepanel.ui
@@ -24,6 +24,7 @@ column
 		{
 			item "Arrive";
 			item "Depart";
+			item "Through";
 		};
 
 		label "lbl_target"
diff --git a/source/engineer/timetablepanel.cpp b/source/engineer/timetablepanel.cpp
index 878de86..12ae2a8 100644
--- a/source/engineer/timetablepanel.cpp
+++ b/source/engineer/timetablepanel.cpp
@@ -230,6 +230,7 @@ TimetableRowItem::TimetableRowItem(ValueType row)
 			{
 			case Timetable::ARRIVE: type = "Arrive at "; break;
 			case Timetable::DEPART: type = "Depart from "; break;
+			case Timetable::THROUGH: type = "Go through "; break;
 			}
 			add(*new GLtk::Label(type+row->target->get_name()));
 		}
diff --git a/source/libr2c2/timetable.cpp b/source/libr2c2/timetable.cpp
index ed7d018..9608182 100644
--- a/source/libr2c2/timetable.cpp
+++ b/source/libr2c2/timetable.cpp
@@ -162,6 +162,8 @@ void Timetable::update_route()
 			dt /= clock.get_rate();
 			train.ai_message(Message("set-departure-delay", dt));
 		}
+		else if(i->type==THROUGH)
+			train.ai_message(Message("add-waypoint", i->target));
 	}
 }
 
@@ -170,15 +172,27 @@ void Timetable::event(TrainAI &, const Message &msg)
 	if(msg.type=="arrived")
 	{
 		if(current_row->type==ARRIVE)
+			record_time();
+		update_pending = true;
+	}
+	else if(msg.type=="waypoint-reached")
+	{
+		const TrackChain *wp = msg.value.value<const TrackChain *>();
+		if(current_row->type==THROUGH && current_row->target==wp)
 		{
-			current_row->time = train.get_layout().get_clock().get_current_time();
-			unsigned i = distance(rows.begin(), current_row);
-			signal_row_modified.emit(i, *current_row);
+			record_time();
+			++current_row;
 		}
-		update_pending = true;
 	}
 }
 
+void Timetable::record_time()
+{
+	current_row->time = train.get_layout().get_clock().get_current_time();
+	unsigned i = distance(rows.begin(), current_row);
+	signal_row_modified.emit(i, *current_row);
+}
+
 
 Timetable::Row::Row():
 	type(ARRIVE),
@@ -241,6 +255,7 @@ void operator<<(LexicalConverter &conv, Timetable::RowType rt)
 	{
 	case Timetable::ARRIVE: conv.result("ARRIVE"); return;
 	case Timetable::DEPART: conv.result("DEPART"); return;
+	case Timetable::THROUGH: conv.result("THROUGH"); return;
 	default: throw lexical_error(format("conversion of RowType(%d) to string", rt));
 	}
 }
@@ -251,6 +266,8 @@ void operator>>(const LexicalConverter &conv, Timetable::RowType &rt)
 		rt = Timetable::ARRIVE;
 	else if(conv.get()=="DEPART")
 		rt = Timetable::DEPART;
+	else if(conv.get()=="THROUGH")
+		rt = Timetable::THROUGH;
 	else
 		throw lexical_error(format("conversion of '%s' to RowType", conv.get()));
 }
diff --git a/source/libr2c2/timetable.h b/source/libr2c2/timetable.h
index 07250ca..da16d3c 100644
--- a/source/libr2c2/timetable.h
+++ b/source/libr2c2/timetable.h
@@ -27,7 +27,8 @@ public:
 	enum RowType
 	{
 		ARRIVE = 1,
-		DEPART
+		DEPART,
+		THROUGH
 	};
 
 	struct Row
@@ -83,6 +84,7 @@ private:
 	void check_update(std::list<Row>::const_iterator);
 	void update_route();
 	void event(TrainAI &, const Message &);
+	void record_time();
 };
 
 } // namespace R2C2
-- 
2.43.0