SquirrelJME/SquirrelJME

// -*- Mode: Java; indent-tabs-mode: t; tab-width: 4 -*-
// ---------------------------------------------------------------------------
// SquirrelJME
//     Copyright (C) Stephanie Gawroriski <xer@multiphasicapps.net>
// ---------------------------------------------------------------------------
// SquirrelJME is under the Mozilla Public License Version 2.0.
// See license.mkd for licensing and copyright information.
// ---------------------------------------------------------------------------

package net.multiphasicapps.squirrelquarrel.units;

import cc.squirreljme.jvm.manifest.JavaManifest;
import java.io.IOException;
import java.io.InputStream;

/**
 * These are the units which are available in the game and what are actively
 * used within the game.
 *
 * @since 2017/02/14
 */
public enum UnitType
{
    /** Starting location. */
    START_LOCATION,
    
    /** Chlorophid: Garden. */
    CHLOROPHID_GARDEN,
    
    /** End. */
    ;
    
    /** Base unit information and its properties. */
    private BaseUnitInfo _info;
    
    /**
     * Returns the information which is associated with the given unit.
     *
     * @return The unit information.
     * @since 2017/02/14
     */
    public BaseUnitInfo baseInfo()
    {
        // If the info has not been cached then load it
        BaseUnitInfo rv = this._info;
        if (rv == null)
            try (InputStream in = UnitType.class.getResourceAsStream(
                "/net/multiphasicapps/squirrelquarrel/data/units/" +
                this.name().toLowerCase() + "/info"))
            {
                /* {@squirreljme.error BE0b Unit information for the given
                unit does not exist. (The unit)} */
                if (in == null)
                    throw new RuntimeException("BE0b " + this);
                
                this._info = (rv = new BaseUnitInfo(this.ordinal(),
                    new JavaManifest(in)));
            }
            
            /* {@squirreljme.error BE0c Could not load unit information.} */
            catch (IOException e)
            {
                throw new RuntimeException("BE0c", e);
            }
        
        return rv;
    }
}