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Prime update divisors

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- Smooths out load when ticking too many instances
This commit is contained in:
Jozufozu 2021-07-18 18:21:30 -07:00
parent e5db27379e
commit 90173360f4
1 changed files with 5 additions and 1 deletions
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6
src/main/java/com/jozufozu/flywheel/backend/instancing/InstanceManager.java
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@ -212,10 +212,14 @@ public abstract class InstanceManager<T> implements MaterialManager.OriginShiftL
return (frame % getUpdateDivisor(dX, dY, dZ)) == 0; return (frame % getUpdateDivisor(dX, dY, dZ)) == 0;
} }
// 1 followed by the prime numbers
private static final int[] divisorSequence = new int[] { 1, 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31 };
protected int getUpdateDivisor(int dX, int dY, int dZ) { protected int getUpdateDivisor(int dX, int dY, int dZ) {
int dSq = dX * dX + dY * dY + dZ * dZ; int dSq = dX * dX + dY * dY + dZ * dZ;
return (dSq / 1024) + 1; int i = (dSq / 2048);
return divisorSequence[Math.min(i, divisorSequence.length - 1)];
} }
protected void addInternal(T tile) { protected void addInternal(T tile) {