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Share cave density lattice

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- Adaptive plane lattice samples cached per carver across neighbour chunks
- Grid cleared with carvers on hotload
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Brian Neumann-Fopiano committed 2026-09-28 11:06:34 -04:00
1 parent 631c486a5a
commit 2ce36eb6f1
4 files changed
+162 -12
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core/src/test/java/art/arcane/iris/generation/mantle/IrisCaveCarver3DNearParityTest.java
+34
View File
@@ -1038,6 +1038,40 @@ public class IrisCaveCarver3DNearParityTest {
largestPlane < 192);
}
@Test
public void sharedDensityLatticeReproducesIsolatedCarvesAcrossNeighbourChunks() throws Exception {
Engine engine = createEngine(96, 90);
for (boolean warp : new boolean[]{false, true}) {
for (boolean modules : new boolean[]{false, true}) {
AtomicLong sharedSamples = new AtomicLong();
AtomicLong isolatedSamples = new AtomicLong();
IrisCaveCarver3D shared = new IrisCaveCarver3D(engine,
createProfile(warp, modules).setAdaptiveSampling(true), new CaveDensityGrid(4096));
baseDensityField.set(shared, new CountingCNG((CNG) baseDensityField.get(shared), sharedSamples));
for (int chunkX = -1; chunkX <= 1; chunkX++) {
for (int chunkZ = -1; chunkZ <= 1; chunkZ++) {
WriterCapture sharedCapture = createWriterCapture(96);
int sharedCarved = shared.carve(sharedCapture.writer, chunkX, chunkZ, fullWeights(), 0D, 0D,
null, filledHeights(90));
IrisCaveCarver3D isolated = new IrisCaveCarver3D(engine,
createProfile(warp, modules).setAdaptiveSampling(true));
baseDensityField.set(isolated, new CountingCNG((CNG) baseDensityField.get(isolated), isolatedSamples));
WriterCapture isolatedCapture = createWriterCapture(96);
int isolatedCarved = isolated.carve(isolatedCapture.writer, chunkX, chunkZ, fullWeights(), 0D, 0D,
null, filledHeights(90));
assertTrue(isolatedCarved > 0);
assertEquals(isolatedCarved, sharedCarved);
assertEquals(isolatedCapture.carvedCells, sharedCapture.carvedCells);
assertEquals(isolatedCapture.carvedLiquids, sharedCapture.carvedLiquids);
}
}
assertTrue("warp=" + warp + " modules=" + modules + " shared=" + sharedSamples.get()
+ " isolated=" + isolatedSamples.get(),
sharedSamples.get() < isolatedSamples.get() * 3 / 4);
}
}
}
private void assertExactParity(boolean warp, boolean modules, boolean adaptiveSampling) throws Exception {
Engine engine = createEngine(96, 90);
double[] columnWeights = fullWeights();