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Use vehicle tile hash for finding wagons/engines in depots

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This commit is contained in:
Jonathan G Rennison
2024-06-27 22:32:22 +01:00
parent fced6d0eb2
commit 618ed0a0ce
2 changed files with 40 additions and 22 deletions
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4
src/train_gui.cpp
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@@ -36,8 +36,8 @@ void CcBuildWagon(const CommandCost &result, TileIndex tile, uint32_t p1, uint32
/* find a locomotive in the depot. */
const Vehicle *found = nullptr;
for (const Train *t : Train::IterateFrontOnly()) {
if (t->IsFrontEngine() && t->tile == tile && t->IsStoppedInDepot() && !t->IsVirtual()) {
for (const Train *t = Train::From(GetFirstVehicleOnPos(tile, VEH_TRAIN)); t != nullptr; t = t->HashTileNext()) {
if (t->IsFrontEngine() && t->IsStoppedInDepot()) {
if (found != nullptr) return; // must be exactly one.
found = t;
}