Allow blinking onto the roof (#65)

* Allow blinking onto the roof

* swap

src/main/java/crazypants/enderio/config/Config.java

@@ -161,6 +161,7 @@ public final class Config {
       "Thaumcraft:blockWarded"
   };
   public static float travelAnchorZoomScale = 0.2f;
+  public static boolean travelStaffSearchOptimize = true;
 
   public static int enderIoRange = 8;
   public static boolean enderIoMeAccessEnabled = true;
@@ -870,6 +871,11 @@ public final class Config {
         "Lists the blocks that cannot be teleported through in the form 'modID:blockName'");
     travelAnchorZoomScale = config.getFloat("travelAnchorZoomScale", sectionStaff.name, travelAnchorZoomScale, 0, 1,
         "Set the max zoomed size of a travel anchor as an aprox. percentage of screen height");
+    travelStaffSearchOptimize = config.get(sectionStaff.name, "travelStaffSearchOptimize", travelStaffSearchOptimize,
+            "If set to true: blinking by travel staff has reduced search branch. " +
+            "You can now teleport onto the roof. " +
+            "This config is experimental, so if you encounter any strange behavior, please report to GTNH developer.")
+        .getBoolean(travelStaffSearchOptimize);
 
 
     enderIoRange = config.get(sectionEfficiency.name, "enderIoRange", enderIoRange,

src/main/java/crazypants/enderio/teleport/TravelController.java

@@ -213,15 +213,17 @@ public class TravelController {
   }
 
   private boolean doBlinkAround(EntityPlayer player, Vector3d sample, boolean conserveMomentum) {
-    if(doBlink(player, new BlockCoord((int) Math.floor(sample.x), (int) Math.floor(sample.y) - 1, (int) Math.floor(sample.z)), conserveMomentum)) {
-      return true;
-    }
     if(doBlink(player, new BlockCoord((int) Math.floor(sample.x), (int) Math.floor(sample.y), (int) Math.floor(sample.z)), conserveMomentum)) {
       return true;
     }
     if(doBlink(player, new BlockCoord((int) Math.floor(sample.x), (int) Math.floor(sample.y) + 1, (int) Math.floor(sample.z)), conserveMomentum)) {
       return true;
     }
+    if (!Config.travelStaffSearchOptimize) {
+      if (doBlink(player, new BlockCoord((int) Math.floor(sample.x), (int) Math.floor(sample.y) - 1, (int) Math.floor(sample.z)), conserveMomentum)) {
+        return true;
+      }
+    }
     return false;
   }