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-rw-r--r--src/engine.cpp8
1 files changed, 4 insertions, 4 deletions
diff --git a/src/engine.cpp b/src/engine.cpp
index ee7077af6..6d1050354 100644
--- a/src/engine.cpp
+++ b/src/engine.cpp
@@ -492,11 +492,11 @@ void StartupOneEngine(Engine *e, Date aging_date)
e->flags = 0;
e->company_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. */
+ /* Don't randomise the start-date in the first two years after gamestart to ensure availability
+ * of engines in early starting games.
+ * Note: TTDP uses fixed 1922 */
r = Random();
- e->intro_date = ei->base_intro <= ConvertYMDToDate(1922, 0, 1) ? ei->base_intro : (Date)GB(r, 0, 9) + ei->base_intro;
+ e->intro_date = ei->base_intro <= ConvertYMDToDate(_settings_game.game_creation.starting_year + 2, 0, 1) ? ei->base_intro : (Date)GB(r, 0, 9) + ei->base_intro;
if (e->intro_date <= _date) {
e->age = (aging_date - e->intro_date) >> 5;
e->company_avail = (CompanyMask)-1;