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Hydrology occupancy and lookahead

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- Index planned tiles by occupied chunk; empty chunks skip composition, tile residency and cave-cell lookups
- Plan the whole pregen area nearest first with several roots, past the tile budget when plans persist
- Restore persisted tiles without a planning root permit
- Never memoize answers the server thread gave before its hydrology plan landed
This commit is contained in:
Brian Neumann-Fopiano committed 2026-09-28 11:45:53 -04:00
1 parent 241260a762
commit d59517aeaa
18 files changed
+1006 -190
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adapters/modded-common/src/main/java/art/arcane/iris/modded/ModdedBiomePolicy.java
+20 -4
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@@ -29,6 +29,7 @@ import java.util.function.LongSupplier;
import art.arcane.iris.pack.loading.IrisData;
import art.arcane.iris.generation.stream.ProvisionalSampling;
import art.arcane.iris.generation.runtime.DimensionStackContext;
import art.arcane.iris.generation.runtime.DimensionStackLayout;
import art.arcane.iris.generation.runtime.DimensionTerrainContext;
@@ -338,7 +339,12 @@ final class ModdedBiomePolicy<H, S> implements NativeModdedBiomePolicy<H, S> {
return cached;
}
}
H resolved = resolveStructureBiome(engine, quartX, quartY, quartZ, sampler);
H resolved;
try {
resolved = ProvisionalSampling.memoizable(() -> resolveStructureBiome(engine, quartX, quartY, quartZ, sampler));
} catch (ProvisionalSampling.Unmemoizable provisional) {
return provisional.value();
}
if (cacheable) {
cache.put(runtimeIdentity, key, resolved);
}
@@ -388,8 +394,13 @@ final class ModdedBiomePolicy<H, S> implements NativeModdedBiomePolicy<H, S> {
return cached;
}
}
H resolved = resolveVisibleBiome(
engine, quartX, quartY, quartZ, sampler, null);
H resolved;
try {
resolved = ProvisionalSampling.memoizable(() -> resolveVisibleBiome(
engine, quartX, quartY, quartZ, sampler, null));
} catch (ProvisionalSampling.Unmemoizable provisional) {
return provisional.value();
}
if (cacheable) {
cache.put(runtimeIdentity, key, resolved);
}
@@ -531,7 +542,12 @@ final class ModdedBiomePolicy<H, S> implements NativeModdedBiomePolicy<H, S> {
if (cached != null) {
return cached;
}
H resolved = resolveSurfaceStructureBiome(engine, quartX, quartZ, sampler);
H resolved;
try {
resolved = ProvisionalSampling.memoizable(() -> resolveSurfaceStructureBiome(engine, quartX, quartZ, sampler));
} catch (ProvisionalSampling.Unmemoizable provisional) {
return provisional.value();
}
cache.put(runtimeIdentity, key, resolved);
return resolved;
}