(svn r3952) - Fix: On loading a game, GetPlayerRailtypes() didn't account for the fact that vehicles are introduced a year after their introduction date. This will also relieve possible (rare) network desyncs. Backport of r3565 from trunk
--- a/engine.c Sat Mar 18 15:16:12 2006 +0000
+++ b/engine.c Sat Mar 18 15:17:57 2006 +0000
@@ -1010,7 +1010,7 @@
CalcEngineReliability(e);
}
- if (!(e->flags & ENGINE_AVAILABLE) && (uint16)(_date - min(_date, 365)) >= e->intro_date) {
+ if (!(e->flags & ENGINE_AVAILABLE) && _date >= (e->intro_date + 365)) {
// Introduce it to all players
NewVehicleAvailable(e);
} else if (!(e->flags & (ENGINE_AVAILABLE|ENGINE_INTRODUCING)) && _date >= e->intro_date) {
--- a/players.c Sat Mar 18 15:16:12 2006 +0000
+++ b/players.c Sat Mar 18 15:17:57 2006 +0000
@@ -629,7 +629,7 @@
const EngineInfo *ei = &_engine_info[i];
if (e->type == VEH_Train && HASBIT(ei->climates, _opt.landscape) &&
- (HASBIT(e->player_avail, p) || e->intro_date <= _date) &&
+ (HASBIT(e->player_avail, p) || _date >= (e->intro_date + 365)) &&
!(RailVehInfo(i)->flags & RVI_WAGON)) {
assert(e->railtype < RAILTYPE_END);
SETBIT(rt, e->railtype);