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Add: Additional vehicle flags to control variants.

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This commit is contained in:
Peter Nelson
2022-12-09 01:40:55 +00:00
committed by PeterN
parent 898dadadb2
commit 3485709f53
6 changed files with 75 additions and 14 deletions
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49
src/engine.cpp
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@@ -578,9 +578,16 @@ static void ClearLastVariant(EngineID engine_id, VehicleType type)
* Update #Engine::reliability and (if needed) update the engine GUIs.
* @param e %Engine to update.
*/
static void CalcEngineReliability(Engine *e)
void CalcEngineReliability(Engine *e, bool new_month)
{
uint age = e->age;
/* Get source engine for reliability age. This is normally our engine unless variant reliability syncing is requested. */
Engine *re = e;
while (re->info.variant_id != INVALID_ENGINE && re->info.variant_id != re->index && (re->info.extra_flags & ExtraEngineFlags::SyncReliability) != ExtraEngineFlags::None) {
re = Engine::Get(re->info.variant_id);
}
uint age = re->age;
if (new_month && re->index > e->index && age != MAX_DAY) age++; /* parent variant's age has not yet updated. */
/* Check for early retirement */
if (e->company_avail != 0 && !_settings_game.vehicle.never_expire_vehicles && e->info.base_life != 0xFF) {
@@ -671,7 +678,16 @@ void StartupOneEngine(Engine *e, Date aging_date)
e->flags |= ENGINE_AVAILABLE;
}
RestoreRandomSeeds(saved_seeds);
/* Get parent variant index for syncing reliability via random seed. */
const Engine *re = e;
while (re->info.variant_id != INVALID_ENGINE && re->info.variant_id != re->index && (re->info.extra_flags & ExtraEngineFlags::SyncReliability) != ExtraEngineFlags::None) {
re = Engine::Get(re->info.variant_id);
}
SetRandomSeed(_settings_game.game_creation.generation_seed ^
re->index ^
e->type ^
e->GetGRFID());
r = Random();
e->reliability_start = GB(r, 16, 14) + 0x7AE0;
@@ -683,9 +699,9 @@ void StartupOneEngine(Engine *e, Date aging_date)
e->duration_phase_2 = GB(r, 5, 4) + ei->base_life * 12 - 96;
e->duration_phase_3 = GB(r, 9, 7) + 120;
e->reliability_spd_dec = ei->decay_speed << 2;
RestoreRandomSeeds(saved_seeds);
CalcEngineReliability(e);
e->reliability_spd_dec = ei->decay_speed << 2;
/* prevent certain engines from ever appearing. */
if (!HasBit(ei->climates, _settings_game.game_creation.landscape)) {
@@ -706,6 +722,9 @@ void StartupEngines()
for (Engine *e : Engine::Iterate()) {
StartupOneEngine(e, aging_date);
}
for (Engine *e : Engine::Iterate()) {
CalcEngineReliability(e, false);
}
/* Update the bitmasks for the vehicle lists */
for (Company *c : Company::Iterate()) {
@@ -775,8 +794,9 @@ static void DisableEngineForCompany(EngineID eid, CompanyID company)
* Company \a company accepts engine \a eid for preview.
* @param eid Engine being accepted (is under preview).
* @param company Current company previewing the engine.
* @param recursion_depth Recursion depth to avoid infinite loop.
*/
static void AcceptEnginePreview(EngineID eid, CompanyID company)
static void AcceptEnginePreview(EngineID eid, CompanyID company, int recursion_depth = 0)
{
Engine *e = Engine::Get(eid);
@@ -791,6 +811,16 @@ static void AcceptEnginePreview(EngineID eid, CompanyID company)
* we have to use the GUI-scope scheduling of InvalidateWindowData.
*/
InvalidateWindowData(WC_ENGINE_PREVIEW, eid);
/* Don't search for variants to include if we are 10 levels deep already. */
if (recursion_depth >= 10) return;
/* Find variants to be included in preview. */
for (Engine *ve : Engine::IterateType(e->type)) {
if (ve->index != eid && ve->info.variant_id == eid && (ve->info.extra_flags & ExtraEngineFlags::JoinPreview) != ExtraEngineFlags::None) {
AcceptEnginePreview(ve->index, company, recursion_depth + 1);
}
}
}
/**
@@ -1014,7 +1044,7 @@ static void NewVehicleAvailable(Engine *e)
if (!IsVehicleTypeDisabled(e->type, true)) AI::BroadcastNewEvent(new ScriptEventEngineAvailable(index));
/* Only provide the "New Vehicle available" news paper entry, if engine can be built. */
if (!IsVehicleTypeDisabled(e->type, false)) {
if (!IsVehicleTypeDisabled(e->type, false) && (e->info.extra_flags & ExtraEngineFlags::NoNews) == ExtraEngineFlags::None) {
SetDParam(0, GetEngineCategoryName(index));
SetDParam(1, index);
AddNewsItem(STR_NEWS_NEW_VEHICLE_NOW_AVAILABLE_WITH_TYPE, NT_NEW_VEHICLES, NF_VEHICLE, NR_ENGINE, index);
@@ -1038,7 +1068,7 @@ void EnginesMonthlyLoop()
/* Age the vehicle */
if ((e->flags & ENGINE_AVAILABLE) && e->age != MAX_DAY) {
e->age++;
CalcEngineReliability(e);
CalcEngineReliability(e, true);
refresh = true;
}
@@ -1058,6 +1088,9 @@ void EnginesMonthlyLoop()
/* Do not introduce new rail wagons */
if (IsWagon(e->index)) continue;
/* Engine has no preview */
if ((e->info.extra_flags & ExtraEngineFlags::NoPreview) != ExtraEngineFlags::None) continue;
/* Show preview dialog to one of the companies. */
e->flags |= ENGINE_EXCLUSIVE_PREVIEW;
e->preview_company = INVALID_COMPANY;