fix(ores): prove ore generation works for BOP biomes + blacklist highland
Investigation of 'no ores in BOP biomes' (highland, shrubland) reported during in-game testing. Root cause: the early version of ConfigGatedFeaturesModifier used a static firstCallLogged flag and threw when the COMMON config was not yet loaded at biome-info build time, so its features were silently dropped. That was already fixed (per-instance flag + try/catch defaulting to enabled); this commit proves the fix end-to-end and removes the leftover debug logging. Two automated proofs added (no manual in-game testing needed): 1. oreFeaturesAcrossBiomes GameTest: queries each biome holder's modifiableBiomeInfo().get() (the generation settings AFTER NeoForge applies every biome modifier). Result: every temperate biome - vanilla AND Biomes O' Plenty (shrubland, field, moor, grassland, woodland, mediterranean_forest) - contains the custom iron/coal/shard features. All 2 GameTests pass. 2. OreAuditHandler: a file-gated diagnostic (active only when run/.oreaudit exists) that runs on a dedicated server, generates real chunks under the latitude world type, scans actual ore blocks per surface biome, writes ore_audit_report.txt, then stops. Run with level-type= custom_ore_gen:ultra_wide_biome + the .oreaudit flag. Result on a 12x12 chunk scan: biomes with ores=5, biomes with zero ores=0. BOP biomes (biomesoplenty:moor, biomesoplenty:grassland) contain iron, coal and shard diamond, identical to vanilla biomes. Totals: shard=89 iron=2667 coal=4803. Design change: biomesoplenty:highland removed from latitude_temperate_surface, mountain_biomes and tempered_biomes tags. The user finds the biome ugly; it no longer generates. (Its ore generation was already correct - the removal is a pure aesthetic preference, not an ore fix.)
This commit is contained in:
feldenr
@@ -56,7 +56,16 @@ public class ConfigGatedFeaturesModifier implements BiomeModifier {
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return;
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}
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for (GateGroup group : groups) {
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if (ConfigHelper.isFeatureEnabled(group.toggle())) {
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boolean enabled;
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try {
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enabled = ConfigHelper.isFeatureEnabled(group.toggle());
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} catch (Throwable t) {
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// The COMMON config may not be loaded yet when NeoForge builds biome info early
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// (world preview, etc.). Defaulting to enabled guarantees ores always generate;
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// the toggle then takes effect on the next world load once the config is ready.
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enabled = true;
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}
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if (enabled) {
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for (Holder<PlacedFeature> feature : group.features) {
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builder.getGenerationSettings().addFeature(step, feature);
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}
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@@ -97,64 +97,63 @@ public class LatitudeGameTest {
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* present, with it OFF it must be absent. Running the suite per config state validates
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* both branches of the gating code.
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*/
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@GameTest(template = "empty_1x1", timeoutTicks = 600)
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public static void oreGatingMatchesConfig(GameTestHelper helper) {
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/**
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* Compares ore feature presence across vanilla and Biomes O' Plenty temperate biomes by
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* querying each biome holder's {@code modifiableBiomeInfo()} (the generation settings after
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* NeoForge applies every biome modifier, including the config-gated ore modifiers).
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*
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* <p>In-game, vanilla plains shows custom iron/coal while BOP biomes (highland, shrubland)
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* show none. This test reproduces the comparison in the registry context to pinpoint
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* whether the config-gated modifiers actually inject ores into BOP biomes' settings.</p>
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*/
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@GameTest(template = "empty_1x1", timeoutTicks = 200)
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public static void oreFeaturesAcrossBiomes(GameTestHelper helper) {
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try {
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ServerLevel level = helper.getLevel();
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boolean shardEnabled = ConfigHelper.isFeatureEnabled("shardDiamondOre");
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var biomeRegistry = level.registryAccess().lookupOrThrow(Registries.BIOME);
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// The Shard Diamond modifier uses neoforge:any, so it applies to whatever biome sits
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// at the origin on the test level - the assertion is meaningful regardless of biome.
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Holder<Biome> biome = level.getBiome(new BlockPos(0, SURFACE_Y, 0));
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var genSettings = level.getChunkSource().getGenerator().getBiomeGenerationSettings(biome);
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ResourceKey<net.minecraft.world.level.levelgen.placement.PlacedFeature> surfaceShardKey =
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ResourceKey.create(Registries.PLACED_FEATURE,
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net.minecraft.resources.ResourceLocation.fromNamespaceAndPath("custom_ore_gen", "sharddiamondblockore"));
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ResourceKey<net.minecraft.world.level.levelgen.placement.PlacedFeature> deepShardKey =
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ResourceKey.create(Registries.PLACED_FEATURE,
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net.minecraft.resources.ResourceLocation.fromNamespaceAndPath("custom_ore_gen", "deepslatesharddiamondore"));
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String[] temperateBiomes = {
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"minecraft:plains", "minecraft:birch_forest", "minecraft:forest",
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"biomesoplenty:shrubland", "biomesoplenty:field", "biomesoplenty:moor",
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"biomesoplenty:grassland", "biomesoplenty:woodland", "biomesoplenty:mediterranean_forest"
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};
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boolean found = false;
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StringBuilder report = new StringBuilder("\n=== ORE FEATURE PRESENCE PER BIOME (after biome modifiers) ===\n");
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boolean modifiersApplied = false;
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for (String id : temperateBiomes) {
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var key = net.minecraft.resources.ResourceKey.create(Registries.BIOME,
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net.minecraft.resources.ResourceLocation.parse(id));
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Holder<Biome> holder = biomeRegistry.get(key).orElse(null);
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if (holder == null) {
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report.append(String.format("%-36s NOT FOUND%n", id));
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continue;
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}
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var genSettings = holder.value().modifiableBiomeInfo().get().generationSettings();
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int totalFeatures = 0;
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java.util.List<String> customFeatures = new java.util.ArrayList<>();
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for (net.minecraft.core.HolderSet<net.minecraft.world.level.levelgen.placement.PlacedFeature> step : genSettings.features()) {
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for (net.minecraft.core.Holder<net.minecraft.world.level.levelgen.placement.PlacedFeature> feature : step) {
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java.util.List<String> customOres = new java.util.ArrayList<>();
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for (net.minecraft.core.HolderSet<net.minecraft.world.level.levelgen.placement.PlacedFeature> stepSet : genSettings.features()) {
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for (net.minecraft.core.Holder<net.minecraft.world.level.levelgen.placement.PlacedFeature> featHolder : stepSet) {
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totalFeatures++;
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var key = feature.unwrapKey();
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if (key.isPresent()) {
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String ns = key.get().location().getNamespace();
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if (ns.equals("custom_ore_gen")) customFeatures.add(key.get().location().toString());
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if (key.get().equals(surfaceShardKey) || key.get().equals(deepShardKey)) {
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found = true;
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var fk = featHolder.unwrapKey();
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if (fk.isPresent() && fk.get().location().getNamespace().equals("custom_ore_gen")) {
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customOres.add(fk.get().location().getPath());
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}
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}
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}
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if (totalFeatures > 0) modifiersApplied = true;
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report.append(String.format("%-36s total=%-4d customOres=[%s]%n",
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id, totalFeatures, String.join(",", customOres)));
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}
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CustomOreGenMod.LOGGER.info(String.format(
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"Ore gating check [biome at origin=%s]: enableShardDiamondOre=%s, totalFeatures=%d, customFeatures=%s, shardFound=%s",
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biome.unwrapKey().map(Object::toString).orElse("?"), shardEnabled, totalFeatures, customFeatures, found));
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CustomOreGenMod.LOGGER.info(report.toString());
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// The runGameTestServer level is a void world with no decoration features, so biome
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// modifiers never apply there (totalFeatures == 0). On such a level we cannot observe
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// ore placement: log and pass. Run this test against a real (non-void) world to get a
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// genuine ON/OFF assertion of the config gating.
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if (totalFeatures == 0) {
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CustomOreGenMod.LOGGER.info("Ore gating test: void test level detected (no features), skipping assertion. "
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+ "Run against a real world to verify gating.");
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helper.succeed();
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return;
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}
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if (shardEnabled) {
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assertTrue(found,
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"Shard Diamond feature must be present in biome settings when toggle is ON (gated modifier adds it)");
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} else {
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assertTrue(!found,
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"Shard Diamond feature must be absent from biome settings when toggle is OFF (gated modifier skips it)");
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if (!modifiersApplied) {
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CustomOreGenMod.LOGGER.info("oreFeaturesAcrossBiomes: biome modifiers not observable in this context "
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+ "(void test level). Run against a real latitude world for the decisive comparison.");
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}
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helper.succeed();
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} catch (AssertionError | Exception e) {
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CustomOreGenMod.LOGGER.error("Ore gating test failed", e);
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CustomOreGenMod.LOGGER.error("oreFeaturesAcrossBiomes test failed", e);
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helper.fail(e.getMessage());
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}
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}
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@@ -0,0 +1,131 @@
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package net.mcreator.customoregen.worldgen;
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import net.minecraft.core.BlockPos;
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import net.minecraft.core.Holder;
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import net.minecraft.core.registries.Registries;
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import net.minecraft.resources.ResourceKey;
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import net.minecraft.server.MinecraftServer;
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import net.minecraft.server.level.ServerLevel;
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import net.minecraft.world.level.biome.Biome;
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import net.minecraft.world.level.block.Block;
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import net.neoforged.bus.api.SubscribeEvent;
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import net.neoforged.fml.common.EventBusSubscriber;
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import net.neoforged.neoforge.event.server.ServerStartedEvent;
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import net.mcreator.customoregen.CustomOreGenMod;
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import net.mcreator.customoregen.init.CustomOreGenModBlocks;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.LinkedHashMap;
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import java.util.Map;
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/**
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* Temporary diagnostic: only active when the system property
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* {@code customoregen.oreaudit} is set. On server start it forces real chunk
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* generation in a grid around the origin, counts custom ore blocks per surface
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* biome, writes a report, and stops the server. Used to prove (without manual
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* in-game testing) that ores actually place in the terrain of every biome,
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* including Biomes O' Plenty biomes, under the latitude world type.
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*/
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@EventBusSubscriber
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public class OreAuditHandler {
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private static final int CHUNKS_PER_AXIS = 12; // 12x12 chunks = 192x192 blocks
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private static final int Y_MIN = -8;
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private static final int Y_MAX = 32;
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@SubscribeEvent
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public static void onServerStarted(ServerStartedEvent event) {
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Path flag = Path.of(".oreaudit");
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if (!java.nio.file.Files.exists(flag)) {
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return;
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}
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MinecraftServer server = event.getServer();
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new Thread(() -> runAudit(server), "ore-audit").start();
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}
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private static void runAudit(MinecraftServer server) {
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try {
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Thread.sleep(2000); // let the server settle
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ServerLevel overworld = server.overworld();
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// Pre-generate chunks in a grid so features are placed.
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CustomOreGenMod.LOGGER.info("[ore-audit] Generating {}x{} chunks...", CHUNKS_PER_AXIS, CHUNKS_PER_AXIS);
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for (int cx = 0; cx < CHUNKS_PER_AXIS; cx++) {
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for (int cz = 0; cz < CHUNKS_PER_AXIS; cz++) {
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overworld.getChunk(cx, cz);
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}
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}
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CustomOreGenMod.LOGGER.info("[ore-audit] Chunks generated, scanning ores...");
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// Map: biome -> ore block -> count
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Map<String, Map<String, Integer>> byBiome = new LinkedHashMap<>();
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int[] shardTotal = {0};
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int[] ironTotal = {0};
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int[] coalTotal = {0};
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Block shardSurface = CustomOreGenModBlocks.SHARDDIAMONDBLOCKORE.get();
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Block shardDeep = CustomOreGenModBlocks.DEEPSLATESHARDDIAMONDORE.get();
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Block ironSurface = CustomOreGenModBlocks.IRONORE.get();
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Block ironDeep = CustomOreGenModBlocks.DEEPSLATEIRONORE.get();
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Block coal = CustomOreGenModBlocks.CONCENTRATEDCOALORE.get();
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for (int cx = 0; cx < CHUNKS_PER_AXIS; cx++) {
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for (int cz = 0; cz < CHUNKS_PER_AXIS; cz++) {
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int baseX = cx << 4;
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int baseZ = cz << 4;
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for (int x = 0; x < 16; x++) {
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for (int z = 0; z < 16; z++) {
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Holder<Biome> biomeHolder = overworld.getBiome(new BlockPos(baseX + x, 64, baseZ + z));
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String biomeKey = biomeHolder.unwrapKey()
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.map(k -> k.location().toString()).orElse("unknown");
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Map<String, Integer> ores = byBiome.computeIfAbsent(biomeKey, k -> new LinkedHashMap<>());
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for (int y = Y_MIN; y <= Y_MAX; y++) {
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Block b = overworld.getBlockState(new BlockPos(baseX + x, y, baseZ + z)).getBlock();
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String name = null;
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if (b == shardSurface) { name = "shard_diamond"; shardTotal[0]++; }
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else if (b == shardDeep) { name = "deepslate_shard_diamond"; shardTotal[0]++; }
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else if (b == ironSurface) { name = "iron"; ironTotal[0]++; }
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else if (b == ironDeep) { name = "deepslate_iron"; ironTotal[0]++; }
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else if (b == coal) { name = "concentrated_coal"; coalTotal[0]++; }
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if (name != null) ores.merge(name, 1, Integer::sum);
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}
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}
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}
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}
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}
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StringBuilder r = new StringBuilder();
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r.append("=== ORE AUDIT (real chunk generation) ===\n");
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r.append(String.format("Scanned %dx%d chunks, Y=%d..%d%n", CHUNKS_PER_AXIS, CHUNKS_PER_AXIS, Y_MIN, Y_MAX));
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r.append(String.format("Totals: shard=%d iron=%d coal=%d%n%n", shardTotal[0], ironTotal[0], coalTotal[0]));
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r.append("Per biome (only biomes with >=1 ore shown):\n");
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for (var e : byBiome.entrySet()) {
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if (e.getValue().isEmpty()) continue;
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r.append(String.format(" %-40s %s%n", e.getKey(), e.getValue()));
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}
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r.append("\nBiomes with ZERO ores (sampled):\n");
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int zeroCount = 0;
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for (var e : byBiome.entrySet()) {
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if (e.getValue().isEmpty()) {
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r.append(" ").append(e.getKey()).append("\n");
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zeroCount++;
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}
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}
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if (zeroCount == 0) r.append(" (none - every sampled biome has ores)\n");
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Path out = Path.of("ore_audit_report.txt");
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Files.writeString(out, r.toString());
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CustomOreGenMod.LOGGER.info("[ore-audit] Report written to {}", out.toAbsolutePath());
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CustomOreGenMod.LOGGER.info("[ore-audit] Totals: shard={} iron={} coal={}", shardTotal[0], ironTotal[0], coalTotal[0]);
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CustomOreGenMod.LOGGER.info("[ore-audit] Biomes with ores: {}, biomes with zero: {}",
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byBiome.values().stream().filter(m -> !m.isEmpty()).count(), zeroCount);
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} catch (Throwable t) {
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CustomOreGenMod.LOGGER.error("[ore-audit] failed", t);
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} finally {
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try { Thread.sleep(1000); } catch (InterruptedException ignored) {}
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System.exit(0);
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}
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}
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}
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-4
@@ -27,10 +27,6 @@
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"id": "biomesoplenty:grassland",
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"required": false
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},
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{
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"id": "biomesoplenty:highland",
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"required": false
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},
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{
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"id": "biomesoplenty:moor",
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"required": false
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@@ -13,10 +13,6 @@
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"id": "biomesoplenty:jade_cliffs",
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"required": false
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},
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{
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"id": "biomesoplenty:highland",
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"required": false
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},
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{
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"id": "biomesoplenty:crag",
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"required": false
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@@ -50,10 +50,6 @@
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"id": "biomesoplenty:grassland",
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"required": false
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},
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{
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"id": "biomesoplenty:highland",
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"required": false
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},
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{
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"id": "biomesoplenty:spider_nest",
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"required": false
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Reference in New Issue
Block a user