From 098300cc7dbff4e57c4d7fc916be3b4d7e174bd3 Mon Sep 17 00:00:00 2001 From: peter1138 Date: Tue, 24 Jan 2006 07:41:28 +0000 Subject: [PATCH] (svn r3423) - NewGRF: Update the base_intro age at which an engine will have a randomized intro date, as per (the now updated) spec. --- engine.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/engine.c b/engine.c index b845934a7e..ef916d5c71 100644 --- a/engine.c +++ b/engine.c @@ -209,8 +209,11 @@ void StartupEngines(void) e->flags = 0; e->player_avail = 0; + // The magic value of 729 days below comes from the NewGRF spec. If the + // base intro date is before 1922 then the random number of days is not + // added. r = Random(); - e->intro_date = ei->base_intro == 0 ? 0 : GB(r, 0, 9) + ei->base_intro; + e->intro_date = ei->base_intro <= 729 ? ei->base_intro : GB(r, 0, 9) + ei->base_intro; if (e->intro_date <= _date) { e->age = (_date - e->intro_date) >> 5; e->player_avail = (byte)-1;