Explosive Mine / Replace a block and keep properties / Make a block invisible

Discussion in 'Plugin Development' started by jersogamer, Jul 13, 2018 at 8:22 AM.

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    Well, first of all sorry if my english is not good. I used to play skywars and there they had a explosive mine, but what is it? well, they used a gold pressure plate so when the player put the mine it is visible for the player that put the mine, but for the other players it was invisible, so a player could walk along a bridge and step on a mine then the mine explodes. that's what I want to do. I already have the code for making the explosion.

    I think that they maybe change the mine into air, but the mine is like if it still were there.

    Goal: Make a code that when I put the mine it is visible for me, but not for other players.

    If someone is interested here's my code to make the explosion.

        public void mina(PlayerInteractEvent eventmina) {
            FileConfiguration config = plugin.getConfig();
            if(eventmina.getAction() == Action.PHYSICAL) {
                Location location = eventmina.getClickedBlock().getLocation();
                if(eventmina.getClickedBlock().getType() == Material.GOLD_PLATE) {
                    Player player = eventmina.getPlayer();
                    player.getWorld().createExplosion(location, Float.valueOf(config.getString("config.mina-explosion")));
                    player.sendMessage(ChatColor.RED+"Pisaste una mina explosiva");
    Last edited: Jul 13, 2018 at 5:16 PM
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    You can manipulate what block a player sees by using Player#sendBlockChange(). Everytime the block gets updated a player will see the original block again. Also if a chunk has to be loaded again.

    But by sending a block change into air to everyone 1 tick after the mine has been placed should work fine.
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    I'm not really good at coding so I didn't understand too much, I know that it is bad to ask for a code, but could you explain me better or send me the code? please, sorry
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    @MightyOne What if the player uses F3 + A to reload chunks? Would that change it back to normal?
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    timtower Ninja on the waves Moderator

    You can overcome that by using ProtocolLib to change the packets send to the player directly.
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    @KarimAKL @timtower i just tested it out with a plugin i cannot debug right now xD.
    Either f3+a does not request all block information to be sent again by the server OR the ChunkLoadEvent gets triggered and you can refresh the fake blocks there. Sorry for the uncertainty.

    I think it's the former one
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