package net.minecraft.world.entity.vehicle.minecart; import net.minecraft.server.level.ServerLevel; import net.minecraft.util.Mth; import net.minecraft.world.InteractionHand; import net.minecraft.world.InteractionResult; import net.minecraft.world.entity.Entity; import net.minecraft.world.entity.EntityType; import net.minecraft.world.entity.player.Player; import net.minecraft.world.item.Item; import net.minecraft.world.item.ItemStack; import net.minecraft.world.item.Items; import net.minecraft.world.level.Level; import net.minecraft.world.phys.Vec3; public class Minecart extends AbstractMinecart { private float rotationOffset; private float playerRotationOffset; public Minecart(final EntityType type, final Level level) { super(type, level); } @Override public InteractionResult interact(final Player player, final InteractionHand hand, final Vec3 location) { if (!player.isSecondaryUseActive() && !this.isVehicle() && (this.level().isClientSide() || player.startRiding(this))) { this.playerRotationOffset = this.rotationOffset; if (!this.level().isClientSide()) { return (InteractionResult)(player.startRiding(this) ? InteractionResult.CONSUME : InteractionResult.PASS); } else { return InteractionResult.SUCCESS; } } else { return InteractionResult.PASS; } } @Override protected Item getDropItem() { return Items.MINECART; } @Override public ItemStack getPickResult() { return new ItemStack(Items.MINECART); } @Override public void activateMinecart(final ServerLevel level, final int xt, final int yt, final int zt, final boolean state) { if (state) { if (this.isVehicle()) { this.ejectPassengers(); } if (this.getHurtTime() == 0) { this.setHurtDir(-this.getHurtDir()); this.setHurtTime(10); this.setDamage(50.0F); this.markHurt(); } } } @Override public boolean isRideable() { return true; } @Override public void tick() { double lastKnownYRot = this.getYRot(); Vec3 lastKnownPos = this.position(); super.tick(); double tickDiff = (this.getYRot() - lastKnownYRot) % 360.0; if (this.level().isClientSide() && lastKnownPos.distanceTo(this.position()) > 0.01) { this.rotationOffset += (float)tickDiff; this.rotationOffset %= 360.0F; } } @Override protected void positionRider(final Entity passenger, final Entity.MoveFunction moveFunction) { super.positionRider(passenger, moveFunction); if (this.level().isClientSide() && passenger instanceof Player player && player.shouldRotateWithMinecart() && useExperimentalMovement(this.level())) { float yRot = (float)Mth.rotLerp(0.5, (double)this.playerRotationOffset, (double)this.rotationOffset); player.setYRot(player.getYRot() - (yRot - this.playerRotationOffset)); this.playerRotationOffset = yRot; } } }