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[1.7.10] Toggle fly function with Keybinding


itsPauV

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Hey guys,

I wanted to make a forge mod, so when you press a key, you can start flying. Start flying works great, but i can't disable flying :/. Here's my code:

 

<code>

import cpw.mods.fml.common.eventhandler.SubscribeEvent;

import cpw.mods.fml.common.gameevent.InputEvent.KeyInputEvent;

import me.extendedcrafting.com.ExtendedCrafting;

import net.minecraft.client.Minecraft;

import net.minecraft.entity.player.EntityPlayer;

import net.minecraft.potion.Potion;

import net.minecraft.potion.PotionEffect;

import net.minecraft.util.ChatComponentText;

 

public class KeyHandler {

public static boolean onToggle = true;

 

public static boolean notToggled = false;

 

@SubscribeEvent

 

public void onKeyPressed(KeyInputEvent event){

 

EntityPlayer player = Minecraft.getMinecraft().thePlayer;

 

if(ExtendedCrafting.keybinding.isPressed()  && onToggle == true && notToggled == false){

notToggled = true;

onToggle = false;

player.addChatComponentMessage(new ChatComponentText("Fly enabled"));

player.capabilities.allowFlying = true;

player.capabilities.setFlySpeed(0.1F);

//player.addPotionEffect(new PotionEffect(Potion.resistance.getId(), 1900, 10));

}else if (ExtendedCrafting.keybinding.isPressed() && notToggled == true && onToggle == false){

onToggle = true;

player.addChatComponentMessage(new ChatComponentText("Fly disabled"));

player.capabilities.allowFlying = false;

 

}

}

}

 

</code>

 

Thank you for helping.

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Are you sure your flight is not getting disabled? Try also setting player.capabalitites.isFlying to false - that will drop you out of the sky if you are currently flying.

 

Also, KeyInputEvent fires for every key that is pressed OR released; Keyboard#getEventKey() will give you the key code of the key that triggered the event, and Keyboard#getEventKeyState() will tell you if the key was pressed (true) or released (false). So:

if (!Keyboard#getEventKeyState()) {
  return; // don't care about key being released (you might, but it seems like you won't need to)
}
if (Keyboard#getEventKey() == ExtendedCrafting.keybinding.getKeyCode()) {
  // your key binding was pressed

 

In this case, you're probably better off using one of the player tick events to check, rather than KeyInputEvent, and you probably want to send a packet to the server and let it decide if the player can fly or not. If you do go with a tick event, you generally want to use #getKeyIsPressed() (or #isKeyDown(), whatever it's called now), not #isPressed().

 

Java tip: boolean values do not need an ' == true' or ' == false' comparison, as they are already either only true or false:

if (onToggle && !notToggled) {

// is the same as but syntactically better than:
if (onToggle == true && notToggled == false) {

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I did it like CoolAlias said, now it works, but when I press the key, it enables flying but instantly disables flying. I tried to let the code sleep, but then obviously the complete game freezes, so how do I make the code wait for a short amount of time?

 

Now that's my code:

 

public class KeyHandler2 {

 

public static boolean onToggle = true;

 

public static boolean notToggled = false;

 

@SubscribeEvent

 

public void onKeyPressed(KeyInputEvent event){

EntityPlayer player = Minecraft.getMinecraft().thePlayer;

 

if(Keyboard.getEventKey() == ExtendedCrafting.keybindingfly.getKeyCode() && onToggle && !notToggled){

notToggled = true;

onToggle = false;

player.addChatComponentMessage(new ChatComponentText("Fly enabled"));

player.capabilities.allowFlying = true;

player.capabilities.setFlySpeed(0.1F);

 

}else if (Keyboard.getEventKey() == ExtendedCrafting.keybindingfly.getKeyCode() && !onToggle && notToggled){

notToggled = false;

onToggle = true;

player.addChatComponentMessage(new ChatComponentText("Fly disabled"));

player.capabilities.allowFlying = false;

 

}

}

}

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Hmm... before, when I pressed the button it showed in the Chat:"Flying Enabled" and instantly after that "Flying Disabled", but now it doesn't do anything, here's my code:

My KeyHandler:

 

public class KeyHandler3 {

 

boolean active = false;

 

public void onTick(){

EntityPlayer player = Minecraft.getMinecraft().thePlayer;

 

if(ExtendedCrafting.keybindingfly.isPressed()){

if(active){

active = false;

player.addChatComponentMessage(new ChatComponentText("Fly disabled"));

player.capabilities.allowFlying = false;

player.capabilities.setFlySpeed(0.1F);

 

}else {

active = true;

player.addChatComponentMessage(new ChatComponentText("Fly enabled"));

player.capabilities.allowFlying = true;

}

}

}

}

 

And my keybind registration:

public class ExtendedCrafting {

 

@Instance

public static ExtendedCrafting instance;

 

//Keybindings

public static KeyBinding keybindingfly = new KeyBinding("keyBinding.Fly", Keyboard.KEY_F, "OwnMod");

 

@EventHandler

public void preInit(FMLPreInitializationEvent event){

}

 

@EventHandler

public void Init(FMLInitializationEvent event){

ClientRegistry.registerKeyBinding(keybindingfly);

FMLCommonHandler.instance().bus().register(new KeyHandler3());

}

 

 

 

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He gave you pseudo-code, not copy/paste ready code. By 'onTick' he meant that you should create an event handler for ClientTickEvent, which is the one I was trying to tell you about earlier but I was thinking it was tied to the PlayerEvents, which it's not (sucks not having an IDE handy...).

 

So:

@SubscribeEvent
public void onTick(ClientTickEvent event) {
  // rest of code here
}

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