(svn r773) When refitting a train engine, refit also all the attached wagons which can be refitted (applicable to DBSetXL, as shown in http://pasky.or.cz/~pasky/dev/openttd/screenshots/wagrefit.png). This is how TTDPatch does it, pointed out by Bjarni.
--- a/train_cmd.c Mon Nov 22 22:52:01 2004 +0000
+++ b/train_cmd.c Mon Nov 22 23:05:34 2004 +0000
@@ -1037,7 +1037,12 @@
num = 0;
do {
- if (!(_rail_vehicle_info[v->engine_type].flags & RVI_WAGON) && (byte)p2 != v->cargo_type && v->cargo_cap != 0) {
+ /* XXX: We also refit all the attached wagons en-masse if they
+ * can be refitted. This is how TTDPatch does it. TODO: Have
+ * some nice [Refit] button near each wagon. --pasky */
+ if ((!(_rail_vehicle_info[v->engine_type].flags & RVI_WAGON)
+ || (_engine_refit_masks[v->engine_type] & (1 << p2)))
+ && (byte) p2 != v->cargo_type && v->cargo_cap != 0) {
cost += (_price.build_railvehicle >> 8);
num += v->cargo_cap;
if (flags & DC_EXEC) {