diff --git a/build.gradle b/build.gradle
index fa6bbe9dc..0d8b2a16e 100644
--- a/build.gradle
+++ b/build.gradle
@@ -45,6 +45,7 @@ registerCustomOutputTask('Vatuu', 'D://Minecraft/Servers/1.19.4/plugins')
 registerCustomOutputTask('CrazyDev22', 'C://Users/Julian/Desktop/server/plugins')
 registerCustomOutputTask('PixelFury', 'C://Users/repix/workplace/Iris/1.21.3 - Development-Public-v3/plugins')
 registerCustomOutputTask('PixelFuryDev', 'C://Users/repix/workplace/Iris/1.21 - Development-v3/plugins')
+registerCustomOutputTask('PixelFuryEngine', 'C://Users/repix/workplace/Iris/1.21.3 - Development-Engine-v3/plugins')
 // ========================== UNIX ==============================
 registerCustomOutputTaskUnix('CyberpwnLT', '/Users/danielmills/development/server/plugins')
 registerCustomOutputTaskUnix('PsychoLT', '/Users/brianfopiano/Developer/RemoteGit/Server/plugins')
diff --git a/core/src/main/java/com/volmit/iris/engine/decorator/IrisSeaFloorDecorator.java b/core/src/main/java/com/volmit/iris/engine/decorator/IrisSeaFloorDecorator.java
index e1b2fac7b..691c8be8e 100644
--- a/core/src/main/java/com/volmit/iris/engine/decorator/IrisSeaFloorDecorator.java
+++ b/core/src/main/java/com/volmit/iris/engine/decorator/IrisSeaFloorDecorator.java
@@ -18,14 +18,21 @@
 
 package com.volmit.iris.engine.decorator;
 
+import com.volmit.iris.Iris;
 import com.volmit.iris.engine.data.cache.Cache;
 import com.volmit.iris.engine.framework.Engine;
 import com.volmit.iris.engine.object.IrisBiome;
 import com.volmit.iris.engine.object.IrisDecorationPart;
 import com.volmit.iris.engine.object.IrisDecorator;
+import com.volmit.iris.util.data.B;
 import com.volmit.iris.util.documentation.BlockCoordinates;
 import com.volmit.iris.util.hunk.Hunk;
+import org.bukkit.Material;
+import org.bukkit.block.BlockFace;
+import org.bukkit.block.data.Bisected;
 import org.bukkit.block.data.BlockData;
+import org.bukkit.block.data.MultipleFacing;
+import org.bukkit.block.data.Waterlogged;
 
 public class IrisSeaFloorDecorator extends IrisEngineDecorator {
     public IrisSeaFloorDecorator(Engine engine) {
@@ -38,21 +45,53 @@ public class IrisSeaFloorDecorator extends IrisEngineDecorator {
         IrisDecorator decorator = getDecorator(biome, realX, realZ);
 
         if (decorator != null) {
+            var bdx = data.get(x, height - 1, z);
             if (!decorator.isStacking()) {
+                var bd = decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData());
+                if ((!canGoOn(bd, bdx)
+                        || (bd instanceof Bisected
+                        ? (data.get(x, height, z).isOccluding() || data.get(x, height + 1, z).isOccluding())
+                        : data.get(x, height, z).isOccluding()))
+                        && !decorator.isForcePlace() && decorator.getForceBlock() == null)
+                    return;
+
                 if (!decorator.isForcePlace() && !decorator.getSlopeCondition().isDefault()
                         && !decorator.getSlopeCondition().isValid(getComplex().getSlopeStream().get(realX, realZ))) {
                     return;
                 }
+
+                if (bd instanceof Bisected) {
+                    bd = bd.clone();
+                    ((Bisected) bd).setHalf(Bisected.Half.TOP);
+                    try {
+                        data.set(x, height + 1, z, bd);
+                    } catch (Throwable e) {
+                        Iris.reportError(e);
+                    }
+                    bd = bd.clone();
+                    ((Bisected) bd).setHalf(Bisected.Half.BOTTOM);
+                }
+
                 if (height >= 0 || height < getEngine().getHeight()) {
-                    data.set(x, height, z, decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData()));
+                    data.set(x, height, z, bd);
                 }
             } else {
+                var bd = decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData());
+                if (((!canGoOn(bd, bdx) || data.get(x, height, z).isOccluding()) && (!decorator.isForcePlace() && decorator.getForceBlock() == null)))
+                    return;
+
                 int stack = decorator.getHeight(getRng().nextParallelRNG(Cache.key(realX, realZ)), realX, realZ, getData());
                 if (decorator.isScaleStack()) {
                     int maxStack = max - height;
                     stack = (int) Math.ceil((double) maxStack * ((double) stack / 100));
                 } else stack = Math.min(stack, max - height);
 
+                for (int i = 1; i < stack; i++) {
+                    var block = data.get(x, height + i + 1, z);
+                    if ((block.isOccluding()) && (!decorator.isForcePlace() && decorator.getForceBlock() == null))
+                        return;
+                }
+
                 if (stack == 1) {
                     data.set(x, height, z, decorator.getBlockDataForTop(biome, getRng(), realX, height, realZ, getData()));
                     return;
@@ -65,12 +104,15 @@ public class IrisSeaFloorDecorator extends IrisEngineDecorator {
                     }
 
                     double threshold = ((double) i) / (stack - 1);
-                    data.set(x, h, z, threshold >= decorator.getTopThreshold() ?
+                    BlockData block = threshold >= decorator.getTopThreshold() ?
                             decorator.getBlockDataForTop(biome, getRng(), realX, h, realZ, getData()) :
-                            decorator.getBlockData100(biome, getRng(), realX, h, realZ, getData()));
+                            decorator.getBlockData100(biome, getRng(), realX, h, realZ, getData());
+                    if (block instanceof Waterlogged wblock)
+                        wblock.setWaterlogged(true);
+
+                    data.set(x, h, z, block);
                 }
             }
         }
-
     }
 }
diff --git a/core/src/main/java/com/volmit/iris/engine/decorator/IrisSurfaceDecorator.java b/core/src/main/java/com/volmit/iris/engine/decorator/IrisSurfaceDecorator.java
index 49e636220..995365a9d 100644
--- a/core/src/main/java/com/volmit/iris/engine/decorator/IrisSurfaceDecorator.java
+++ b/core/src/main/java/com/volmit/iris/engine/decorator/IrisSurfaceDecorator.java
@@ -61,6 +61,12 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
             if (!decorator.isStacking()) {
                 bd = decorator.getBlockData100(biome, getRng(), realX, height, realZ, getData());
 
+                if (((bd instanceof Bisected
+                        ? (data.get(x, height + 1, z).isOccluding() || data.get(x, height + 2, z).isOccluding())
+                        : data.get(x, height + 1, z).isOccluding()))
+                        && !decorator.isForcePlace() && decorator.getForceBlock() == null)
+                    return;
+
                 if (!underwater) {
                     if (!canGoOn(bd, bdx) && (!decorator.isForcePlace() && decorator.getForceBlock() == null)) {
                         return;
@@ -111,6 +117,12 @@ public class IrisSurfaceDecorator extends IrisEngineDecorator {
                     return;
                 }
 
+                for (int i = 1; i < stack; i++) {
+                    var block = data.get(x, height + i + 1, z);
+                     if ((block.isOccluding()) && (!decorator.isForcePlace() && decorator.getForceBlock() == null))
+                        return;
+                }
+
                 for (int i = 0; i < stack; i++) {
                     int h = height + i;
                     double threshold = ((double) i) / (stack - 1);
diff --git a/core/src/main/java/com/volmit/iris/util/data/B.java b/core/src/main/java/com/volmit/iris/util/data/B.java
index d67615151..04bf7f970 100644
--- a/core/src/main/java/com/volmit/iris/util/data/B.java
+++ b/core/src/main/java/com/volmit/iris/util/data/B.java
@@ -67,6 +67,7 @@ public class B {
                 CORNFLOWER,
                 SWEET_BERRY_BUSH,
                 CRIMSON_ROOTS,
+                SUNFLOWER,
                 WARPED_ROOTS,
                 NETHER_SPROUTS,
                 ALLIUM,