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rogueviz:: crystal-sokoban:: fixed a crash when undoing in an empty history

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Zeno Rogue
2025-08-29 02:06:50 +02:00
parent 3133439b19
commit 5ea720c978
1 changed files with 1 additions and 0 deletions
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rogueviz/crystal-sokoban.cpp
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@@ -115,6 +115,7 @@ void save_undo() {
} }
void restore_undo() { void restore_undo() {
if(undos.empty()) return;
undos.pop_back(); undos.pop_back();
auto& u = undos.back(); auto& u = undos.back();
cwt.at = u.where; cwt.at = u.where;