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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.

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peter1138 2006-01-24 07:41:28 +00:00
parent 21ba849dbd
commit c2479bbccc
1 changed files with 4 additions and 1 deletions
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5
engine.c
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@ -209,8 +209,11 @@ void StartupEngines(void)
e->flags = 0; e->flags = 0;
e->player_avail = 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(); 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) { if (e->intro_date <= _date) {
e->age = (_date - e->intro_date) >> 5; e->age = (_date - e->intro_date) >> 5;
e->player_avail = (byte)-1; e->player_avail = (byte)-1;