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Fix Iris entity spawn delegation

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This commit is contained in:
Brian Neumann-Fopiano
2026-07-29 18:10:55 -04:00
parent 74741ac83e
commit 7ad4909518
14 changed files with 150 additions and 35 deletions
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adapters/modded-common/src/main/java/art/arcane/iris/modded/IrisModdedChunkGenerator.java
+11
View File
@@ -63,6 +63,7 @@ import net.minecraft.world.entity.MobCategory;
import net.minecraft.world.level.ChunkPos;
import net.minecraft.world.level.Level;
import net.minecraft.world.level.LevelHeightAccessor;
import net.minecraft.world.level.NaturalSpawner;
import net.minecraft.world.level.NoiseColumn;
import net.minecraft.world.level.StructureManager;
import net.minecraft.world.level.WorldGenLevel;
@@ -81,6 +82,7 @@ import net.minecraft.world.level.chunk.ChunkGeneratorStructureState;
import net.minecraft.world.level.chunk.LevelChunkSection;
import net.minecraft.world.level.levelgen.GenerationStep;
import net.minecraft.world.level.levelgen.Heightmap;
import net.minecraft.world.level.levelgen.LegacyRandomSource;
import net.minecraft.world.level.levelgen.RandomState;
import net.minecraft.world.level.levelgen.RandomSupport;
import net.minecraft.world.level.levelgen.WorldgenRandom;
@@ -1191,6 +1193,15 @@ public final class IrisModdedChunkGenerator extends ChunkGenerator {
@Override
public void spawnOriginalMobs(WorldGenRegion region) {
Registry<Biome> registry = region.registryAccess().lookupOrThrow(Registries.BIOME);
initializeVanillaSpawnBiomes(registry);
ChunkPos center = region.getCenter();
Holder<Biome> visibleBiome = region.getBiome(center.getWorldPosition().atY(region.getMaxY()));
Holder<Biome> vanillaBiome = vanillaSpawnBiomes.get(visibleBiome.value());
WorldgenRandom random = new WorldgenRandom(new LegacyRandomSource(RandomSupport.generateUniqueSeed()));
random.setDecorationSeed(region.getSeed(), center.getMinBlockX(), center.getMinBlockZ());
NaturalSpawner.spawnMobsForChunkGeneration(
region, vanillaBiome == null ? visibleBiome : vanillaBiome, center, random);
}
@Override
adapters/modded-common/src/main/java/art/arcane/iris/modded/ModdedWorldManager.java
+1 -1
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@@ -712,7 +712,7 @@ public final class ModdedWorldManager implements EngineWorldManager {
}
private boolean isEntitySpawningEnabledForCurrentWorld() {
return entitySpawningEnabled(engine.isStudio(), IrisSettings.get().getStudio().isEnableEntitySpawning());
return entitySpawningEnabled(engine.isStudio(), IrisSettings.get().getStudio().isEntitySpawning());
}
static boolean entitySpawningEnabled(boolean studio, boolean studioSetting) {
adapters/modded-common/src/test/java/art/arcane/iris/modded/IrisModdedChunkGeneratorSpawnTest.java
+20
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@@ -9,9 +9,13 @@ import net.minecraft.world.level.biome.MobSpawnSettings;
import org.junit.Test;
import org.junit.BeforeClass;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.util.List;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class IrisModdedChunkGeneratorSpawnTest {
@BeforeClass
@@ -44,4 +48,20 @@ public class IrisModdedChunkGeneratorSpawnTest {
assertEquals(explicitCow, entries.get(2).value());
assertEquals(3, entries.get(2).weight());
}
@Test
public void vanillaChunkGenerationMobsUseTheVisibleBiomesVanillaDerivative() throws IOException {
Path sourcePath = Path.of(System.getProperty("iris.moddedCommonSources"),
"art/arcane/iris/modded/IrisModdedChunkGenerator.java");
String source = Files.readString(sourcePath);
int spawnStart = source.indexOf("public void spawnOriginalMobs");
int spawnEnd = source.indexOf("@Override", spawnStart + 1);
String spawn = source.substring(spawnStart, spawnEnd);
assertTrue(spawn.contains("initializeVanillaSpawnBiomes(registry)"));
assertTrue(spawn.contains("vanillaSpawnBiomes.get(visibleBiome.value())"));
assertTrue(spawn.contains("NaturalSpawner.spawnMobsForChunkGeneration("));
assertTrue(spawn.contains("new LegacyRandomSource(RandomSupport.generateUniqueSeed())"));
assertTrue(spawn.contains("random.setDecorationSeed(region.getSeed()"));
}
}