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Fix: Allow resolving house parent scope (town) of unbuilt houses. (#12695) 

Return unavailable variable result, instead of nullptr dereference.
pull/12696/head
Peter Nelson 2024-05-18 12:33:50 +01:00 committed by GitHub
parent 3f5a354f37
commit ba47d1ca2b
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1 changed files with 5 additions and 0 deletions
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5
src/newgrf_town.cpp
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@ -17,6 +17,11 @@
/* virtual */ uint32_t TownScopeResolver::GetVariable(uint8_t variable, [[maybe_unused]] uint32_t parameter, bool *available) const /* virtual */ uint32_t TownScopeResolver::GetVariable(uint8_t variable, [[maybe_unused]] uint32_t parameter, bool *available) const
{ {
if (this->t == nullptr) {
*available = false;
return UINT_MAX;
}
CargoID cid; CargoID cid;
switch (variable) { switch (variable) {
/* Larger towns */ /* Larger towns */