85 lines
3.3 KiB
Java
85 lines
3.3 KiB
Java
/*
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* This file is part of ViaRewind-Legacy-Support - https://github.com/ViaVersion/ViaRewind-Legacy-Support
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* Copyright (C) 2018-2024 ViaVersion and contributors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package com.viaversion.viarewind.legacysupport.listener;
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import com.viaversion.viaversion.api.Via;
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import com.viaversion.viaversion.api.protocol.version.ProtocolVersion;
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import org.bukkit.entity.Player;
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import org.bukkit.event.EventHandler;
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import org.bukkit.event.EventPriority;
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import org.bukkit.event.Listener;
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import org.bukkit.event.player.PlayerMoveEvent;
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import org.bukkit.util.Vector;
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@SuppressWarnings("unchecked")
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public class ElytraListener implements Listener {
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@EventHandler(priority = EventPriority.MONITOR, ignoreCancelled = true)
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public void onPlayerMove(PlayerMoveEvent e) {
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final Player player = e.getPlayer();
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if (Via.getAPI().getPlayerVersion(player) >= ProtocolVersion.v1_9.getVersion()) return; // Only apply for 1.8 and below players
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if (!player.isGliding()) return; // Only apply if the player is gliding
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final Vector direction = player.getLocation().getDirection();
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final Vector velocity = player.getVelocity();
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double motionX = velocity.getX();
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double motionY = velocity.getY();
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double motionZ = velocity.getZ();
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float pitch = player.getLocation().getPitch() * 0.017453292F;
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double directionH = Math.sqrt(direction.getX() * direction.getX() + direction.getZ() * direction.getZ());
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double speedH = Math.sqrt(motionX * motionX + motionZ * motionZ);
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float speedV = (float) Math.cos(pitch);
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speedV = (float) (speedV * speedV * Math.min(1.0D, direction.length() / 0.4D));
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motionY += -0.08D + speedV * 0.06D;
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if ((motionY < 0.0D) && (directionH > 0.0D)) {
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double d2 = motionY * -0.1D * speedV;
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motionY += d2;
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motionX += direction.getX() * d2 / directionH;
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motionZ += direction.getZ() * d2 / directionH;
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}
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if (pitch < 0.0F) {
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double speed = speedH * -Math.sin(pitch) * 0.04D;
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motionY += speed * 3.2D;
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motionX -= direction.getX() * speed / directionH;
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motionZ -= direction.getZ() * speed / directionH;
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}
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if (directionH > 0.0D) {
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motionX += (direction.getX() / directionH * speedH - motionX) * 0.1D;
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motionZ += (direction.getZ() / directionH * speedH - motionZ) * 0.1D;
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}
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motionX *= 0.9900000095367432D;
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motionY *= 0.9800000190734863D;
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motionZ *= 0.9900000095367432D;
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velocity.setX(motionX);
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velocity.setY(motionY);
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velocity.setZ(motionZ);
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player.setVelocity(velocity);
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}
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}
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