create the worldgen module (#2737)

Author: TechLord22

src/main/java/gregtech/api/worldgen/generator/WorldGeneratorImpl.java

@@ -11,39 +11,19 @@
 import net.minecraft.world.chunk.IChunkProvider;
 import net.minecraft.world.gen.IChunkGenerator;
 import net.minecraftforge.common.BiomeDictionary;
-import net.minecraftforge.event.terraingen.OreGenEvent;
-import net.minecraftforge.event.terraingen.OreGenEvent.GenerateMinable.EventType;
 import net.minecraftforge.fml.common.IWorldGenerator;
-import net.minecraftforge.fml.common.eventhandler.Event.Result;
-import net.minecraftforge.fml.common.eventhandler.EventPriority;
-import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
-
-import com.google.common.collect.ImmutableSet;
 
 import java.util.Random;
-import java.util.Set;
-
-import static net.minecraftforge.event.terraingen.OreGenEvent.GenerateMinable.EventType.*;
 
 public class WorldGeneratorImpl implements IWorldGenerator {
 
     public static final WorldGeneratorImpl INSTANCE = new WorldGeneratorImpl();
 
-    private static final Set<EventType> ORE_EVENT_TYPES = ImmutableSet.of(COAL, DIAMOND, GOLD, IRON, LAPIS, REDSTONE,
-            QUARTZ, EMERALD);
     public static final int GRID_SIZE_X = 3;
     public static final int GRID_SIZE_Z = 3;
 
     private WorldGeneratorImpl() {}
 
-    @SubscribeEvent(priority = EventPriority.HIGH)
-    public static void onOreGenerate(OreGenEvent.GenerateMinable event) {
-        EventType eventType = event.getType();
-        if (ConfigHolder.worldgen.disableVanillaOres && ORE_EVENT_TYPES.contains(eventType)) {
-            event.setResult(Result.DENY);
-        }
-    }
-
     @Override
     public void generate(Random random, int chunkX, int chunkZ, World world, IChunkGenerator chunkGenerator,
                          IChunkProvider chunkProvider) {

src/main/java/gregtech/modules/GregTechModules.java

@@ -1,12 +1,14 @@
 package gregtech.modules;
 
+import gregtech.api.GTValues;
 import gregtech.api.modules.IModuleContainer;
 
-public class GregTechModules implements IModuleContainer {
+public final class GregTechModules implements IModuleContainer {
 
     public static final String MODULE_CORE = "core";
     public static final String MODULE_TOOLS = "tools";
     public static final String MODULE_INTEGRATION = "integration";
+    public static final String MODULE_WORLDGEN = "worldgen";
 
     // Integration modules
     public static final String MODULE_JEI = "jei_integration";
@@ -21,6 +23,6 @@ public class GregTechModules implements IModuleContainer {
 
     @Override
     public String getID() {
-        return "gregtech";
+        return GTValues.MODID;
     }
 }

src/main/java/gregtech/worldgen/WorldgenModule.java

@@ -0,0 +1,53 @@
+package gregtech.worldgen;
+
+import gregtech.api.GTValues;
+import gregtech.api.modules.GregTechModule;
+import gregtech.common.ConfigHolder;
+import gregtech.modules.BaseGregTechModule;
+import gregtech.modules.GregTechModules;
+
+import net.minecraftforge.event.terraingen.OreGenEvent;
+import net.minecraftforge.fml.common.eventhandler.Event;
+import net.minecraftforge.fml.common.eventhandler.EventPriority;
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
+
+import org.apache.logging.log4j.LogManager;
+import org.apache.logging.log4j.Logger;
+import org.jetbrains.annotations.NotNull;
+
+import java.util.Collections;
+import java.util.EnumSet;
+import java.util.List;
+import java.util.Set;
+
+import static net.minecraftforge.event.terraingen.OreGenEvent.GenerateMinable.EventType.*;
+
+@GregTechModule(
+                moduleID = GregTechModules.MODULE_WORLDGEN,
+                containerID = GTValues.MODID,
+                name = "GregTech Worldgen",
+                description = "GregTech Worldgen Module.")
+public class WorldgenModule extends BaseGregTechModule {
+
+    public static final Logger LOGGER = LogManager.getLogger("GregTech Worldgen");
+
+    private static final Set<OreGenEvent.GenerateMinable.EventType> VANILLA_ORE_GEN_EVENT_TYPES = EnumSet.of(
+            COAL, DIAMOND, GOLD, IRON, LAPIS, REDSTONE, QUARTZ, EMERALD);
+
+    @Override
+    public @NotNull Logger getLogger() {
+        return LOGGER;
+    }
+
+    @Override
+    public @NotNull List<Class<?>> getOreGenBusSubscribers() {
+        return Collections.singletonList(WorldgenModule.class);
+    }
+
+    @SubscribeEvent(priority = EventPriority.HIGH)
+    public static void onGenerateMineable(@NotNull OreGenEvent.GenerateMinable event) {
+        if (ConfigHolder.worldgen.disableVanillaOres && VANILLA_ORE_GEN_EVENT_TYPES.contains(event.getType())) {
+            event.setResult(Event.Result.DENY);
+        }
+    }
+}