Update PowerableActivation

Signed-off-by: yoyosource <yoyosource@nidido.de>

BauSystem_Main/src/de/steamwar/bausystem/features/slaves/panzern/algorithms/PowerableActivation.java

@@ -52,7 +52,15 @@ public class PowerableActivation implements PanzernAlgorithm {
             if (block.getType() == Material.TNT) {
                 powerable++;
             }
-            if (blockFace == BlockFace.DOWN || blockFace == BlockFace.UP) {
+            if (blockFace == BlockFace.DOWN) {
+                for (BlockFace otherBlockFace : HORIZONTAL_FACES) {
+                    Block otherBlock = block.getRelative(otherBlockFace);
+                    if (otherBlock.getType() == Material.PISTON) {
+                        powered++;
+                    }
+                }
+            }
+            if (blockFace == BlockFace.UP) {
                 continue;
             }
             switch (block.getType()) {