Load all biomes for data packs, not just thought used ones

src/main/java/com/volmit/iris/engine/data/loader/ResourceLoader.java

@@ -178,6 +178,20 @@ public class ResourceLoader<T extends IrisRegistrant> {
         return m;
     }
 
+    public KList<T> loadAll(String[] s) {
+        KList<T> m = new KList<>();
+
+        for (String i : s) {
+            T t = load(i);
+
+            if (t != null) {
+                m.add(t);
+            }
+        }
+
+        return m;
+    }
+
     public T load(String name) {
         return load(name, true);
     }

src/main/java/com/volmit/iris/engine/object/IrisDimension.java

@@ -415,17 +415,7 @@ public class IrisDimension extends IrisRegistrant {
     }
 
     public KList<IrisBiome> getAllBiomes(DataProvider g) {
-        KList<IrisBiome> r = new KList<>();
-
-        for (IrisRegion i : getAllRegions(g)) {
-            if (i == null) {
-                continue;
-            }
-
-            r.addAll(i.getAllBiomes(g));
-        }
-
-        return r;
+        return g.getData().getBiomeLoader().loadAll(g.getData().getBiomeLoader().getPossibleKeys());
     }
 
     public KList<IrisBiome> getAllAnyBiomes() {

src/main/java/com/volmit/iris/engine/parallel/MultiBurst.java

@@ -35,7 +35,7 @@ public class MultiBurst {
     }
 
     public MultiBurst(String name, int priority, int tc) {
-        service = Executors.newFixedThreadPool(tc, r -> {
+        service = Executors.newFixedThreadPool(Math.max(tc, 1), r -> {
             tid++;
             Thread t = new Thread(r);
             t.setName(name + " " + tid);