Fix GuiTraceShow

BauSystem_12/src/de/steamwar/bausystem/tracer/TNTTracer_12.java

@@ -42,4 +42,8 @@ public class TNTTracer_12 {
         return Material.CONCRETE;
     }
 
+    public static Material getTraceXZMaterial() {
+        return Material.STEP;
+    }
+
 }

BauSystem_15/src/de/steamwar/bausystem/tracer/TNTTracer_15.java

@@ -52,4 +52,8 @@ public class TNTTracer_15 {
         return Material.RED_CONCRETE;
     }
 
+    public static Material getTraceXZMaterial() {
+        return Material.QUARTZ_SLAB;
+    }
+
 }

BauSystem_Main/src/de/steamwar/bausystem/gui/GuiTraceShow.java

@@ -60,7 +60,8 @@ public class GuiTraceShow {
         swInventory.setItem(5, water);
         swInventory.setCallback(5, clickType -> toggleHideTNTinWaterExploded(player, swInventory, water));
 
-        SWItem interpolateY = new SWItem(Material.QUARTZ_STAIRS, "§eInterpolation §7Y-Achse", Arrays.asList("§7Zeigt die Interpolation", "§7auf der Y-Achse."), false, clickType -> {});
+        Material xzMaterial = VersionedCallable.call(new VersionedCallable<>(TNTTracer_12::getTraceXZMaterial, 8), new VersionedCallable<>(TNTTracer_15::getTraceXZMaterial, 14));
+        SWItem interpolateY = new SWItem(xzMaterial, (byte) 7, "§eInterpolation §7Y-Achse", Arrays.asList("§7Zeigt die Interpolation", "§7auf der Y-Achse."), false, clickType -> {});
         swInventory.setItem(6, interpolateY);
         swInventory.setCallback(6, clickType -> toggleInterpolateYPosition(player, swInventory, interpolateY));