Separate train routing logic to a class derived from TrainAI

[r2c2.git] / source / libr2c2 / timetable.cpp

diff --git a/source/libr2c2/timetable.cpp b/source/libr2c2/timetable.cpp
index dcdbb00bbc66c5f78dd21fcd4cb426131d6b3171..d5a09517ef045c830a0903cdb96efa4fa2be6a23 100644 (file)
--- a/source/libr2c2/timetable.cpp
+++ b/source/libr2c2/timetable.cpp
@@ -1,11 +1,4 @@
-/* $Id$
-
-This file is part of R²C²
-Copyright © 2010-2011  Mikkosoft Productions, Mikko Rasa
-Distributed under the GPL
-*/
-
-#include <msp/strings/formatter.h>
+#include <msp/strings/format.h>
 #include <msp/time/units.h>
 #include "block.h"
 #include "catalogue.h"
@@ -29,7 +22,7 @@ Timetable::Timetable(Train &t):
        arrived(false)
 {
        train.signal_advanced.connect(sigc::mem_fun(this, &Timetable::train_advanced));
-       train.signal_arrived.connect(sigc::mem_fun(this, &Timetable::train_arrived));
+       train.signal_ai_event.connect(sigc::mem_fun(this, &Timetable::event));
        Layout &layout = train.get_layout();
        layout.signal_block_state_changed.connect(sigc::mem_fun(this, &Timetable::block_state_changed));
        layout.signal_block_reserved.connect(sigc::mem_fun(this, &Timetable::block_reserved));
@@ -62,7 +55,7 @@ void Timetable::append(const Row &row)
 void Timetable::insert(unsigned i, const Row &row)
 {
        if(i>rows.size())
-               throw InvalidParameterValue("Insert position out of range");
+               throw out_of_range("Timetable::insert");
 
        rows.insert(rows.begin()+i, row);
        if(i<=current_row)
@@ -72,7 +65,7 @@ void Timetable::insert(unsigned i, const Row &row)
 const Timetable::Row &Timetable::get_row(unsigned i) const
 {
        if(i>=rows.size())
-               throw InvalidParameterValue("Row index out of range");
+               throw out_of_range("Timetable::get_row");
        return rows[i];
 }
 
@@ -95,13 +88,11 @@ void Timetable::tick(const Time::TimeStamp &t, const Time::TimeDelta &)
                {
                case GOTO_SENSOR:
                        arrived = false;
-                       if(!train.go_to(get_sensor(row.get_param<unsigned>(0))))
-                               set_enabled(false);
+                       train.ai_message(Message("go-to-track", &get_sensor(row.get_param<unsigned>(0))));
                        break;
                case GOTO_ZONE:
                        arrived = false;
-                       if(!train.go_to(get_zone(row.get_param<string>(0))))
-                               set_enabled(false);
+                       train.ai_message(Message("go-to-zone", &get_zone(row.get_param<string>(0))));
                        break;
                case TRAVEL_TO:
                        {
@@ -160,8 +151,7 @@ void Timetable::tick(const Time::TimeStamp &t, const Time::TimeDelta &)
                        train.ai_message(Message("toggle-reverse"));
                        break;
                case ROUTE:
-                       if(!train.set_route(&train.get_layout().get_route(row.get_param<string>(0))))
-                               set_enabled(false);
+                       train.ai_message(Message("set-route", &train.get_layout().get_route(row.get_param<string>(0))));
                        break;
                }
 
@@ -194,7 +184,7 @@ Zone &Timetable::get_zone(const string &name)
 {
        string::size_type space = name.rfind(' ');
        if(space==string::npos || space==0)
-               throw InvalidParameterValue("Invalid zone name");
+               throw invalid_argument("Timetable::get_zone");
        unsigned number = lexical_cast<unsigned>(name.substr(space+1));
        return train.get_layout().get_zone(name.substr(0, space), number);
 }
@@ -239,19 +229,22 @@ void Timetable::train_advanced(Block &block)
                pending_train = 0;
 }
 
-void Timetable::train_arrived()
+void Timetable::event(TrainAI &, const Message &ev)
 {
-       if(rows.empty() || !enabled)
-               return;
-
-       Row &row = rows[current_row];
-       if(row.type==ARRIVE)
+       if(ev.type=="arrived")
        {
-               current_row = (current_row+1)%rows.size();
-               executing = true;
+               if(rows.empty() || !enabled)
+                       return;
+
+               Row &row = rows[current_row];
+               if(row.type==ARRIVE)
+               {
+                       current_row = (current_row+1)%rows.size();
+                       executing = true;
+               }
+               else
+                       arrived = true;
        }
-       else
-               arrived = true;
 }
 
 
@@ -270,7 +263,7 @@ template<typename T>
 const T &Timetable::Row::get_param(unsigned i) const
 {
        if(i>=params.size())
-               throw InvalidParameterValue("Parameter index out of range");
+               throw out_of_range("Timetable::Row::get_param");
        return params[i].value<T>();
 }
 
@@ -409,7 +402,7 @@ Timetable::Row Timetable::Row::parse(const string &s)
                return Row(ROUTE, s.substr(10));
        }
 
-       throw InvalidParameterValue("Invalid row");
+       throw invalid_argument("Timetable::Row::parse");
 }