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changeset 2875:624fef9789c1 draft

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(svn r3423) - NewGRF: Update the base_intro age at which an engine will have a randomized intro date, as per (the now updated) spec.
author peter1138 <peter1138@openttd.org>
date Tue, 24 Jan 2006 07:41:28 +0000
parents d678cb87176c
children 5edf41e4bd01
files engine.c
diffstat 1 files changed, 4 insertions(+), 1 deletions(-) [+]
line wrap: on
line diff
--- a/engine.c
+++ b/engine.c
@@ -209,8 +209,11 @@
 		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;