why do i even do this

src/main/java/baritone/pathing/movement/movements/MovementAscend.java

@@ -96,11 +96,12 @@ public static double cost(CalculationContext context, int x, int y, int z, int d
                 return COST_INF;
             }
         }
+        IBlockState srcUp2 = null;
         if (BlockStateInterface.get(x, y + 3, z).getBlock() instanceof BlockFalling) {//it would fall on us and possibly suffocate us
             // HOWEVER, we assume that we're standing in the start position
             // that means that src and src.up(1) are both air
             // maybe they aren't now, but they will be by the time this starts
-            if (!(BlockStateInterface.getBlock(x, y + 1, z) instanceof BlockFalling) || !(BlockStateInterface.getBlock(x, y + 2, z) instanceof BlockFalling)) {
+            if (!(BlockStateInterface.getBlock(x, y + 1, z) instanceof BlockFalling) || !((srcUp2 = BlockStateInterface.get(x, y + 2, z)).getBlock() instanceof BlockFalling)) {
                 // if both of those are BlockFalling, that means that by standing on src
                 // (the presupposition of this Movement)
                 // we have necessarily already cleared the entire BlockFalling stack
@@ -137,7 +138,10 @@ public static double cost(CalculationContext context, int x, int y, int z, int d
         if (hasToPlace) {
             totalCost += context.placeBlockCost();
         }
-        totalCost += MovementHelper.getMiningDurationTicks(context, x, y + 2, z, false); // TODO MAKE ABSOLUTELY SURE we don't need includeFalling here, from the falling check above
+        if (srcUp2 == null) {
+            srcUp2 = BlockStateInterface.get(x, y + 2, z);
+        }
+        totalCost += MovementHelper.getMiningDurationTicks(context, x, y + 2, z, srcUp2, false); // TODO MAKE ABSOLUTELY SURE we don't need includeFalling here, from the falling check above
         if (totalCost >= COST_INF) {
             return COST_INF;
         }