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adjust LOD thresholds and priorities2 #342

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Merged
x64-dev merged 1 commit into from
Feb 15, 2026
Merged

adjust LOD thresholds and priorities2 #342

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1 change: 1 addition & 0 deletions GeneralsMD/Code/GameEngine/Include/Common/GameLOD.h
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Original file line number Diff line number Diff line change
Expand Up @@ -236,6 +236,7 @@ class GameLODManager
bool m_userHeatEffectsEnabled;
bool m_isQualityReduced;
int m_stableFPSDuration;
int m_lowFPSSecondsCount;
DynamicGameLODLevel m_userDynamicLOD;
#endif
};
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16 changes: 11 additions & 5 deletions GeneralsMD/Code/GameEngine/Source/Common/GameLOD.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -238,6 +238,7 @@ GameLODManager::GameLODManager(void)
m_userHeatEffectsEnabled = true;
m_isQualityReduced = false;
m_stableFPSDuration = 0;
m_lowFPSSecondsCount = 0;
m_userDynamicLOD = DYNAMIC_GAME_LOD_VERY_HIGH;
#endif

Expand Down Expand Up @@ -810,22 +811,27 @@ void GameLODManager::updateGraphicsQualityState(float averageFPS)
m_userDynamicLOD = m_currentDynamicLOD;
}

m_stableFPSDuration = (averageFPS > 56.0f) ? (m_stableFPSDuration + 1) : 0; // Track a duration of sustained good performance
if (averageFPS < 56.0f)
m_lowFPSSecondsCount++, m_stableFPSDuration = 0;
else if (averageFPS > 57.0f)
m_stableFPSDuration++, m_lowFPSSecondsCount = 0;

bool shouldReduceQuality = (averageFPS < 56.0f && TheGameClient && TheGameClient->getFrame() > LOGICFRAMES_PER_SECOND * 10 && !TheShell->isShellActive());
bool shouldReduceQuality = (m_lowFPSSecondsCount >= 2 && TheGameClient && TheGameClient->getFrame() > LOGICFRAMES_PER_SECOND * 10 && !TheShell->isShellActive());
if (shouldReduceQuality && !m_isQualityReduced)
{
if (averageFPS < 50.0f)
m_dynamicGameLODInfo[DYNAMIC_GAME_LOD_LOW].m_minDynamicParticlePriority = ALWAYS_RENDER;
else
if (averageFPS < 56.0f)
m_dynamicGameLODInfo[DYNAMIC_GAME_LOD_LOW].m_minDynamicParticlePriority = WEAPON_TRAIL;
if (averageFPS < 40.0f)
m_dynamicGameLODInfo[DYNAMIC_GAME_LOD_LOW].m_minDynamicParticlePriority = ALWAYS_RENDER;


setDynamicLODLevel(DYNAMIC_GAME_LOD_LOW);
TheGameClient->releaseShadows();
TheWritableGlobalData->m_useShadowVolumes = false;
TheWritableGlobalData->m_useShadowDecals = false;
TheWritableGlobalData->m_useHeatEffects = false;
m_isQualityReduced = true;
m_lowFPSSecondsCount = 0;
}

// Restore to user preferences after sustained good performance
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