X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Flibmarklin%2Fblock.cpp;h=a29469c4fd9b97e32751987e3c42ac6f903b078e;hb=02c9a9779954d993cb73fe5f7a72b0847e87f633;hp=d4a6878a68b1b6ba475b85fd17014fe490b6cceb;hpb=f42183985c65e1e12f19e9246dee90b8e7e44a34;p=r2c2.git

diff --git a/source/libmarklin/block.cpp b/source/libmarklin/block.cpp
index d4a6878..a29469c 100644
--- a/source/libmarklin/block.cpp
+++ b/source/libmarklin/block.cpp
@@ -5,6 +5,7 @@ Copyright © 2006-2009 Mikkosoft Productions, Mikko Rasa
 Distributed under the GPL
 */
 
+#include <algorithm>
 #include "control.h"
 #include "block.h"
 #include "tracktype.h"
@@ -16,11 +17,9 @@ using namespace Msp;
 
 namespace Marklin {
 
-unsigned Block::next_id = 1;
-
 Block::Block(TrafficManager &tm, Track &start):
 	trfc_mgr(tm),
-	id(next_id++),
+	id(0),
 	sensor_id(start.get_sensor_id()),
 	turnout_id(start.get_turnout_id()),
 	train(0)
@@ -49,6 +48,11 @@ Block::Block(TrafficManager &tm, Track &start):
 			}
 	}
 
+	if(sensor_id)
+		id = 0x1000|sensor_id;
+	else if(turnout_id)
+		id = 0x2000|turnout_id;
+
 	for(unsigned i=0; i<endpoints.size(); ++i)
 	{
 		unsigned path = 1<<i;
@@ -119,6 +123,15 @@ void Block::check_link(Block &other)
 				j->link = this;
 			}
 	}
+
+	if(!sensor_id && !turnout_id && endpoints.size()==2)
+	{
+		unsigned id1 = endpoints[0].link ? endpoints[0].link->get_id() : 1;
+		unsigned id2 = endpoints[1].link ? endpoints[1].link->get_id() : 1;
+		if(id2<id1)
+			swap(id1, id2);
+		id = (id1<<16)|id2;
+	}
 }
 
 Block *Block::get_link(unsigned epi) const