cpp/openttd-patchpack/source Changeset - r23382:aedb2d552bed

Changeset - r23382:aedb2d552bed

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Eddi-z - 5 years ago 2019-03-02 21:28:22
43699911+Eddi-z@users.noreply.github.com

Change: Synchronize introduction date and reliability randomness across vehicles with the same base introduction date (#7147)

1 file changed with 8 insertions and 0 deletions:

src/engine.cpp

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src/engine.cpp

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@@ @@ -652,7 +652,14 @@ void StartupOneEngine(Engine *e, Date ag @@
 	/* 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 */
 	SavedRandomSeeds saved_seeds;
 	SaveRandomSeeds(&saved_seeds);
 	SetRandomSeed(_settings_game.game_creation.generation_seed ^
 	              ei->base_intro ^
 	              e->type ^
 	              e->GetGRFID());
 	uint32 r = Random();
 	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;
@@ @@ -672,6 +679,7 @@ void StartupOneEngine(Engine *e, Date ag @@
 	e->reliability_spd_dec = ei->decay_speed << 2;
 	RestoreRandomSeeds(saved_seeds);
 	CalcEngineReliability(e);
 	/* prevent certain engines from ever appearing. */

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