Paper/patches/server/0802-Configurable-feature-seeds.patch
Nassim Jahnke 7bd7b18811
Configurable feature seeds (#6531)
Co-authored-by: Thonk 30448663+ExcessiveAmountsOfZombies@users.noreply.github.com

Also includes an option to auto-generate random seeds for all features and add them to the config.
2021-09-01 09:54:41 +00:00

99 lines
5.8 KiB
Diff

From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Nassim Jahnke <jahnke.nassim@gmail.com>
Date: Tue, 31 Aug 2021 17:05:27 +0200
Subject: [PATCH] Configurable feature seeds
Co-authored-by: Thonk <30448663+ExcessiveAmountsOfZombies@users.noreply.github.com>
diff --git a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
index e1f386cccdf0d2f6831c86667230e0bc8ee39cc9..78024e0b05fd24a0c3340f052fe8eb40191afdd6 100644
--- a/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
+++ b/src/main/java/com/destroystokyo/paper/PaperWorldConfig.java
@@ -927,6 +927,55 @@ public class PaperWorldConfig {
return table;
}
+ public it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap<net.minecraft.resources.ResourceLocation> featureSeeds = new it.unimi.dsi.fastutil.objects.Object2LongOpenHashMap<>();
+ private void featureSeeds() {
+ featureSeeds.defaultReturnValue(-1);
+ final boolean randomise = getBoolean("feature-seeds.generate-random-seeds-for-all", false);
+ final ConfigurationSection defaultSection = config.getConfigurationSection("world-settings.default.feature-seeds");
+ final ConfigurationSection section = config.getConfigurationSection("world-settings." + worldName + ".feature-seeds");
+ final net.minecraft.core.Registry<net.minecraft.world.level.levelgen.feature.ConfiguredFeature<?, ?>> registry
+ = net.minecraft.server.MinecraftServer.getServer().registryAccess().registryOrThrow(net.minecraft.core.Registry.CONFIGURED_FEATURE_REGISTRY);
+ if (section != null) {
+ loadFeatureSeeds(section, registry);
+ }
+
+ // Also use default set seeds if not already set per world
+ loadFeatureSeeds(defaultSection, registry);
+
+ if (randomise) {
+ final Map<String, Object> randomisedSeeds = new HashMap<>();
+ final java.util.Random random = new java.util.Random();
+ for (final net.minecraft.resources.ResourceLocation resourceLocation : registry.keySet()) {
+ if (featureSeeds.containsKey(resourceLocation)) {
+ continue;
+ }
+
+ final long seed = random.nextLong();
+ randomisedSeeds.put("world-settings." + worldName + ".feature-seeds." + resourceLocation.getPath(), seed);
+ featureSeeds.put(resourceLocation, seed);
+ }
+ if (!randomisedSeeds.isEmpty()) {
+ config.addDefaults(randomisedSeeds);
+ }
+ }
+ }
+
+ private void loadFeatureSeeds(final ConfigurationSection section, final net.minecraft.core.Registry<net.minecraft.world.level.levelgen.feature.ConfiguredFeature<?, ?>> registry) {
+ for (final String key : section.getKeys(false)) {
+ if (!(section.get(key) instanceof Number)) {
+ continue;
+ }
+
+ final net.minecraft.resources.ResourceLocation location = new net.minecraft.resources.ResourceLocation(key);
+ if (!registry.containsKey(location)) {
+ logError("Invalid feature resource location: " + location);
+ continue;
+ }
+
+ featureSeeds.putIfAbsent(location, section.getLong(key));
+ }
+ }
+
public int getBehaviorTickRate(String typeName, String entityType, int def) {
return getIntOrDefault(behaviorTickRates, typeName, entityType, def);
}
diff --git a/src/main/java/net/minecraft/world/level/biome/Biome.java b/src/main/java/net/minecraft/world/level/biome/Biome.java
index a7a7e6cd87270e64a92448f03f8b0b0c7e375ec7..2b814006fa30dd233dcb345d1d20ce3bf6469053 100644
--- a/src/main/java/net/minecraft/world/level/biome/Biome.java
+++ b/src/main/java/net/minecraft/world/level/biome/Biome.java
@@ -221,7 +221,7 @@ public final class Biome {
public void generate(StructureFeatureManager structureAccessor, ChunkGenerator chunkGenerator, WorldGenRegion region, long populationSeed, WorldgenRandom random, BlockPos origin) {
List<List<Supplier<ConfiguredFeature<?, ?>>>> list = this.generationSettings.features();
- Registry<ConfiguredFeature<?, ?>> registry = region.registryAccess().registryOrThrow(Registry.CONFIGURED_FEATURE_REGISTRY);
+ Registry<ConfiguredFeature<?, ?>> registry = region.registryAccess().registryOrThrow(Registry.CONFIGURED_FEATURE_REGISTRY); // Paper - diff on change
Registry<StructureFeature<?>> registry2 = region.registryAccess().registryOrThrow(Registry.STRUCTURE_FEATURE_REGISTRY);
int i = GenerationStep.Decoration.values().length;
@@ -263,7 +263,16 @@ public final class Biome {
Supplier<String> supplier3 = () -> {
return registry.getResourceKey(configuredFeature).map(Object::toString).orElseGet(configuredFeature::toString);
};
- random.setFeatureSeed(populationSeed, k, j);
+ // Paper start - change populationSeed used in random
+ long featurePopulationSeed = populationSeed;
+ final ResourceLocation location = registry.getKey(configuredFeature);
+ final long configFeatureSeed = region.getMinecraftWorld().paperConfig.featureSeeds.getLong(location);
+ if (configFeatureSeed != -1) {
+ final ChunkPos center = region.getCenter();
+ featurePopulationSeed = random.setDecorationSeed(configFeatureSeed, center.getMinBlockX(), center.getMinBlockZ()); // See ChunkGenerator#addVanillaDecorations
+ }
+ random.setFeatureSeed(featurePopulationSeed, k, j);
+ // Paper end
try {
region.setCurrentlyGenerating(supplier3);