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Handle trace restrict slots when deleting or merging company

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This commit is contained in:
Jonathan G Rennison
2019-05-16 20:47:47 +01:00
parent ec1e848a7f
commit 3fdd553a08
1 changed files with 13 additions and 0 deletions
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13
src/tracerestrict.cpp
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@@ -1574,6 +1574,7 @@ void TraceRestrictRemoveGroupID(GroupID index)
/**
* This is called when a company is about to be deleted or taken over
* Scan program pool and change any references to it to the new company ID, to avoid dangling references
* Change owner and/or delete slots
*/
void TraceRestrictUpdateCompanyID(CompanyID old_company, CompanyID new_company)
{
@@ -1591,8 +1592,20 @@ void TraceRestrictUpdateCompanyID(CompanyID old_company, CompanyID new_company)
}
}
TraceRestrictSlot *slot;
FOR_ALL_TRACE_RESTRICT_SLOTS(slot) {
if (slot->owner != old_company) continue;
if (new_company == INVALID_OWNER) {
TraceRestrictRemoveSlotID(slot->index);
delete slot;
} else {
slot->owner = new_company;
}
}
// update windows
InvalidateWindowClassesData(WC_TRACE_RESTRICT);
InvalidateWindowClassesData(WC_TRACE_RESTRICT_SLOTS);
}
static std::unordered_multimap<VehicleID, TraceRestrictSlotID> slot_vehicle_index;