Gravity.java

package com.minestellar.utils.frontier;

import net.minecraft.entity.player.EntityPlayer;
import net.minecraftforge.event.entity.living.LivingEvent.LivingJumpEvent;

import com.minestellar.moon.util.ConfigManagerMoon;

import cpw.mods.fml.common.eventhandler.SubscribeEvent;
import cpw.mods.fml.common.gameevent.TickEvent.PlayerTickEvent;

public class Gravity {
	/**
	 * This is the event when the player is jumping and which this would increase / decrease the height of jump based on the current dimensions set gravity.
	 */
	@SubscribeEvent
	public void GravityJump(LivingJumpEvent event) {
		if (!(event.entity instanceof EntityPlayer)) {
			return;
		}

		// The dimension id for the moon
		if (event.entity.dimension == ConfigManagerMoon.idDimensionMoon) {
			event.entity.motionY *= 2; // The normal jump height is 2.125 block high, which this times that by 2.
		}
	}

	/**
	 * This is the event when the player is falling and which this would increase / decrease the length of the fall based on the current dimensions set gravity.
	 */
	@SubscribeEvent
	public void GravityFall(PlayerTickEvent event) {
		EntityPlayer player = event.player;

		if (!player.isAirBorne || !player.isSneaking()) {
			return;
		}

		event.player.motionY = -0.375; // This makes the fall slower to simulate low gravity.
		player.fallDistance = 0.0F;
	}
}