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bugfix(ai): Do not rebuild the locomotor set of a dead aircraft #3072

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bugfix(ai): Do not rebuild the locomotor set of a dead aircraft #3072

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bcdc5e3
bugfix(ai): Do not rebuild the locomotor set of a dead aircraft
wh1ter0se69 Aug 7, 2026
117104e
Guard the fix behind RETAIL_COMPATIBLE_CRC
wh1ter0se69 Aug 7, 2026
18df0e2
Address review: shorten the comment, and refuse rebuilds only
wh1ter0se69 Aug 10, 2026
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11 changes: 11 additions & 0 deletions Generals/Code/GameEngine/Source/GameLogic/Object/Update/AIUpdate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -826,6 +826,17 @@ Bool AIUpdateInterface::chooseLocomotorSetExplicit(LocomotorSetType wst)
const LocomotorTemplateVector* set = getAIUpdateModuleData()->findLocomotorTemplateVector(wst);
if (set)
{
// TheSuperHackers @bugfix wh1ter0se69 10/08/2026 Do not rebuild the locomotor set of a dead
// aircraft. Rebuilding discards the Locomotor instance that a slow death module mutated to
// ground it, so the wreck regains full lift from template and keeps flying.
#if !RETAIL_COMPATIBLE_CRC
Object* obj = getObject();
// LOCOMOTORSET_INVALID means no set has been built yet, so this refuses rebuilds only.
if (obj != nullptr && obj->isEffectivelyDead() && obj->isKindOf(KINDOF_AIRCRAFT)
&& m_curLocomotorSet != LOCOMOTORSET_INVALID)
return FALSE;
#endif

m_locomotorSet.clear();
m_curLocomotor = nullptr;
for (size_t i = 0; i < set->size(); ++i)
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11 changes: 11 additions & 0 deletions GeneralsMD/Code/GameEngine/Source/GameLogic/Object/Update/AIUpdate.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -832,6 +832,17 @@ Bool AIUpdateInterface::chooseLocomotorSetExplicit(LocomotorSetType wst)
const LocomotorTemplateVector* set = getAIUpdateModuleData()->findLocomotorTemplateVector(wst);
if (set)
{
// TheSuperHackers @bugfix wh1ter0se69 10/08/2026 Do not rebuild the locomotor set of a dead
// aircraft. Rebuilding discards the Locomotor instance that a slow death module mutated to
// ground it, so the wreck regains full lift from template and keeps flying.
#if !RETAIL_COMPATIBLE_CRC
Object* obj = getObject();
// LOCOMOTORSET_INVALID means no set has been built yet, so this refuses rebuilds only.
if (obj != nullptr && obj->isEffectivelyDead() && obj->isKindOf(KINDOF_AIRCRAFT)
&& m_curLocomotorSet != LOCOMOTORSET_INVALID)
return FALSE;
#endif

m_locomotorSet.clear();
m_curLocomotor = nullptr;
for (size_t i = 0; i < set->size(); ++i)
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