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Fix divide-by-zero crash in getAnimationProgress() #7532

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merged 5 commits into from
Nov 16, 2024
Merged

Fix divide-by-zero crash in getAnimationProgress() #7532

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8f6c6f9
Fix getAnimationProgress
kphoenix137 Nov 12, 2024
80ee87b
const
kphoenix137 Nov 12, 2024
7ebf92b
Update Source/engine/animationinfo.cpp
kphoenix137 Nov 13, 2024
c905dee
Update animationinfo.cpp
kphoenix137 Nov 13, 2024
7b86dc1
Update animationinfo.cpp
kphoenix137 Nov 15, 2024
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7 changes: 5 additions & 2 deletions Source/engine/animationinfo.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -65,10 +65,13 @@ uint8_t AnimationInfo::getAnimationProgress() const
int32_t tickModifier = tickModifier_;

if (relevantFramesForDistributing_ <= 0) {
if (ticksPerFrame <= 0) {
Log("getAnimationProgress: Invalid ticksPerFrame {}", ticksPerFrame);
}
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// This logic is used if animation distribution is not active (see getFrameToUseForRendering).
// In this case the variables calculated with animation distribution are not initialized and we have to calculate them on the fly with the given information.
ticksSinceSequenceStarted = ((currentFrame * ticksPerFrame) + tickCounterOfCurrentFrame) * baseValueFraction;
tickModifier = baseValueFraction / ticksPerFrame;
ticksSinceSequenceStarted = ((currentFrame * std::max<int8_t>(1, ticksPerFrame)) + tickCounterOfCurrentFrame) * baseValueFraction;
tickModifier = baseValueFraction / std::max<int8_t>(1, ticksPerFrame);
}

int32_t totalTicksForCurrentAnimationSequence = getProgressToNextGameTick() + ticksSinceSequenceStarted;
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