MPC Modifier support

src/main/java/com/volmit/iris/engine/modifier/IrisCaveModifier.java

@@ -49,16 +49,35 @@ public class IrisCaveModifier extends EngineAssignedModifier<BlockData> {
     }
 
     @Override
-    public void onModify(int x, int z, Hunk<BlockData> a) {
+    public void onModify(int x, int z, Hunk<BlockData> a, boolean multicore) {
         if (!getDimension().isCaves()) {
             return;
         }
 
         PrecisionStopwatch p = PrecisionStopwatch.start();
+        if(multicore)
+        {
             BurstExecutor e = getEngine().burst().burst(a.getWidth());
             for (int i = 0; i < a.getWidth(); i++) {
                 int finalI = i;
-            e.queue(() -> {
+                e.queue(() -> modifySliver(x, z, finalI, a));
+            }
+
+            e.complete();
+        }
+
+        else
+        {
+            for (int i = 0; i < a.getWidth(); i++) {
+                modifySliver(x, z, i, a);
+            }
+        }
+
+        getEngine().getMetrics().getCave().put(p.getMilliseconds());
+    }
+
+    public void modifySliver(int x, int z, int finalI, Hunk<BlockData> a)
+    {
         for (int j = 0; j < a.getDepth(); j++) {
             KList<CaveResult> caves = genCaves(x + finalI, z + j, finalI, j, a);
             int he = (int) Math.round(getComplex().getHeightStream().get(x + finalI, z + j));
@@ -89,11 +108,6 @@ public class IrisCaveModifier extends EngineAssignedModifier<BlockData> {
                 }
             }
         }
-            });
-        }
-
-        e.complete();
-        getEngine().getMetrics().getCave().put(p.getMilliseconds());
     }
 
     public KList<CaveResult> genCaves(double wxx, double wzz, int x, int z, Hunk<BlockData> data) {

src/main/java/com/volmit/iris/engine/modifier/IrisDepositModifier.java

@@ -40,7 +40,7 @@ public class IrisDepositModifier extends EngineAssignedModifier<BlockData> {
     }
 
     @Override
-    public void onModify(int x, int z, Hunk<BlockData> output) {
+    public void onModify(int x, int z, Hunk<BlockData> output, boolean multicore) {
         PrecisionStopwatch p = PrecisionStopwatch.start();
         generateDeposits(rng, output, Math.floorDiv(x, 16), Math.floorDiv(z, 16));
         getEngine().getMetrics().getDeposit().put(p.getMilliseconds());

src/main/java/com/volmit/iris/engine/modifier/IrisPostModifier.java

@@ -47,11 +47,13 @@ public class IrisPostModifier extends EngineAssignedModifier<BlockData> {
     }
 
     @Override
-    public void onModify(int x, int z, Hunk<BlockData> output) {
+    public void onModify(int x, int z, Hunk<BlockData> output, boolean multicore) {
         PrecisionStopwatch p = PrecisionStopwatch.start();
-        BurstExecutor e = getEngine().burst().burst(output.getWidth());
         int i;
         AtomicInteger j = new AtomicInteger();
+        if(multicore)
+        {
+            BurstExecutor e = getEngine().burst().burst(output.getWidth());
             for (i = 0; i < output.getWidth(); i++) {
                 int finalI = i;
                 e.queue(() -> {
@@ -61,6 +63,17 @@ public class IrisPostModifier extends EngineAssignedModifier<BlockData> {
                 });
             }
             e.complete();
+        }
+
+        else
+        {
+            for (i = 0; i < output.getWidth(); i++) {
+                for (j.set(0); j.get() < output.getDepth(); j.getAndIncrement()) {
+                    post(i, j.get(), output, i + x, j.get() + z);
+                }
+            }
+        }
+
         getEngine().getMetrics().getPost().put(p.getMilliseconds());
     }
 

src/main/java/com/volmit/iris/engine/modifier/IrisRavineModifier.java

@@ -46,7 +46,7 @@ public class IrisRavineModifier extends EngineAssignedModifier<BlockData> {
     }
 
     @Override
-    public void onModify(int x, int z, Hunk<BlockData> output) {
+    public void onModify(int x, int z, Hunk<BlockData> output, boolean multicore) {
         if (!getDimension().isRavines()) {
             return;
         }