gistfile1.txt

    @Listener(beforeModifications = true)
    public void onPlayerMove(MoveEntityEvent.Position event, @Getter("getTargetEntity") Player player){
        if(this.minigame.getPlayers().contains(player)){
            if(this.minigame.getStarted()){
                if(player.get(Keys.GAME_MODE).get() != GameModes.SPECTATOR){
                    Vector3d fromPos = event.getFromTransform().getPosition().sub(0, 1.0, 0);
                    Vector3d toPos = event.getToTransform().getPosition().sub(0, 1.0, 0);
                    if(fromPos != toPos){
                        Location<World> barrierBlockLocation = new Location<>(this.minigame.getWorld(), toPos.sub(0, 1.0, 0));
                        if(barrierBlockLocation.getBlockType() == BlockTypes.BARRIER){
                            Location<World> redstoneBlockLocation = barrierBlockLocation.sub(0, 1, 0);
                            barrierBlockLocation.setBlockType(BlockTypes.TNT, BlockChangeFlags.NONE);
                            redstoneBlockLocation.setBlockType(BlockTypes.REDSTONE_BLOCK, BlockChangeFlags.ALL);
                            redstoneBlockLocation.setBlockType(BlockTypes.AIR, BlockChangeFlags.ALL);
                        }
                    }
                }
            }
        }
    }