EntityLivingBase.java 文件源码

/**
 * returns true if this entity is by a ladder, false otherwise
 */
public boolean isOnLadder()
{
    int i = MathHelper.floor_double(this.posX);
    int j = MathHelper.floor_double(this.getEntityBoundingBox().minY);
    int k = MathHelper.floor_double(this.posZ);
    Block block = this.worldObj.getBlockState(new BlockPos(i, j, k)).getBlock();
    return (block == Blocks.ladder || block == Blocks.vine) && (!(this instanceof EntityPlayer) || !((EntityPlayer)this).isSpectator());
}