Fix caves

src/main/java/com/volmit/iris/core/IrisSettings.java

@@ -65,7 +65,7 @@ public class IrisSettings {
     public static class IrisSettingsPerformance {
         public boolean trimMantleInStudio = false;
         public int mantleKeepAliveSeconds = 25;
-        public int maxStreamCacheSize = 750_000;
+        public int maxStreamCacheSize = 256_000;
         public int maxResourceLoaderCacheSize = 1_000;
         public int maxObjectLoaderCacheSize = 3_000;
         public int maxScriptLoaderCacheSize = 500;

src/main/java/com/volmit/iris/engine/IrisEngine.java

@@ -56,6 +56,7 @@ import com.volmit.iris.util.atomics.AtomicRollingSequence;
 import com.volmit.iris.util.collection.KList;
 import com.volmit.iris.util.collection.KMap;
 import com.volmit.iris.util.context.IrisContext;
+import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.format.C;
 import com.volmit.iris.util.format.Form;
@@ -461,6 +462,17 @@ public class IrisEngine implements Engine {
                 mode.generate(x, z, blocks, vbiomes, multicore);
             }
 
+            if(!multicore)
+            {
+                for(int i = 0; i < 16; i++)
+                {
+                    for(int j = 0; j < 16; j++)
+                    {
+                        blocks.set(i, 255, j, B.get("GLASS"));
+                    }
+                }
+            }
+
             getMantle().getMantle().flag(x>>4, z>>4, MantleFlag.REAL, true);
             getMetrics().getTotal().put(p.getMilliseconds());
             generated.incrementAndGet();

src/main/java/com/volmit/iris/engine/platform/HeadlessGenerator.java

@@ -90,7 +90,7 @@ public class HeadlessGenerator implements PlatformChunkGenerator {
                     .build();
             getEngine().generate(x << 4, z << 4,
                     Hunk.view((ChunkGenerator.ChunkData) tc), Hunk.view((ChunkGenerator.BiomeGrid) tc),
-                    true);
+                    false);
             chunk.cleanupPalettesAndBlockStates();
         } catch (Throwable e) {
             Iris.error("======================================");