From 6da269ed1b14fdba444f20d456fd109759664871 Mon Sep 17 00:00:00 2001
From: opt <opt@chipmunk.land>
Date: Mon, 20 Jul 2026 18:01:01 +0000
Subject: [PATCH] Generate a lot of blocks above 0 in the Flatlands

Gives people on legacy clients something to work with
---
 src/main/java/pw/kaboom/extras/Main.java      | 14 +++++++++-
 .../pw/kaboom/extras/util/FlatLayers.java     | 27 +++++++++++++++++++
 2 files changed, 40 insertions(+), 1 deletion(-)
 create mode 100644 src/main/java/pw/kaboom/extras/util/FlatLayers.java

diff --git a/src/main/java/pw/kaboom/extras/Main.java b/src/main/java/pw/kaboom/extras/Main.java
index aa0068e..bb4b791 100644
--- a/src/main/java/pw/kaboom/extras/Main.java
+++ b/src/main/java/pw/kaboom/extras/Main.java
@@ -1,5 +1,6 @@
 package pw.kaboom.extras;
 
+import io.papermc.paper.registry.keys.BlockTypeKeys;
 import org.bukkit.WorldCreator;
 import org.bukkit.WorldType;
 import org.bukkit.configuration.file.FileConfiguration;
@@ -17,6 +18,7 @@
 import pw.kaboom.extras.modules.server.ServerCommand;
 import pw.kaboom.extras.modules.server.ServerGameRule;
 import pw.kaboom.extras.modules.server.ServerTabComplete;
+import pw.kaboom.extras.util.FlatLayers;
 
 import java.io.File;
 
@@ -99,7 +101,17 @@ public void onEnable() {
 
         /* Custom worlds */
         this.getServer().createWorld(
-            new WorldCreator("world_flatlands").generateStructures(false).type(WorldType.FLAT)
+            new WorldCreator("world_flatlands")
+                    .generateStructures(false)
+                    .type(WorldType.FLAT)
+                    .generatorSettings(
+                            new FlatLayers()
+                                    .addLayer(BlockTypeKeys.BEDROCK, 1)
+                                    .addLayer(BlockTypeKeys.DIRT, 124)
+                                    .addLayer(BlockTypeKeys.STONE, 2)
+                                    .addLayer(BlockTypeKeys.GRASS_BLOCK, 1)
+                                    .build()
+                    )
         );
 
         final Messenger messenger = this.getServer().getMessenger();
diff --git a/src/main/java/pw/kaboom/extras/util/FlatLayers.java b/src/main/java/pw/kaboom/extras/util/FlatLayers.java
new file mode 100644
index 0000000..b777a0f
--- /dev/null
+++ b/src/main/java/pw/kaboom/extras/util/FlatLayers.java
@@ -0,0 +1,27 @@
+package pw.kaboom.extras.util;
+
+import com.google.gson.JsonArray;
+import com.google.gson.JsonObject;
+import io.papermc.paper.registry.TypedKey;
+import org.bukkit.block.BlockType;
+
+public final class FlatLayers {
+    private final JsonArray layers = new JsonArray();
+
+    public FlatLayers addLayer(final TypedKey<BlockType> blockType,
+                               final int height) {
+        final var layer = new JsonObject();
+
+        layer.addProperty("block", blockType.asString());
+        layer.addProperty("height", height);
+
+        this.layers.add(layer);
+        return this;
+    }
+
+    public String build() {
+        final var layers = new JsonObject();
+        layers.add("layers", this.layers);
+        return layers.toString();
+    }
+}