/*
 * This file is part of OpenTTD.
 * OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
 * OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 * See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
 */

/** @file rev.cpp Autogenerated file with the revision and such of OpenTTD. */

#include "stdafx.h"
#include "core/bitmath_func.hpp"
#include "rev.h"

#include "safeguards.h"

/**
 * Is this version of OpenTTD a release version?
 * @return True if it is a release version.
 */
bool IsReleasedVersion()
{
	return HasBit(_openttd_newgrf_version, 19);
}

/**
 * The text version of OpenTTD's revision.
 * This will be either
 * - "<tag>", like "<major>.<minor>.<build>[-RC<rc>]",
 * - "<commitdate>-g<shorthash><modified>" in "master",
 * - "<commitdate>-<branch>-g<shorthash><modified>" in other branches, or
 * - "norev000", if the version is unknown.
 *
 * The major, minor and build are the numbers that describe releases of
 * OpenTTD (like 0.5.3). "-RC" is used to flag release candidates.
 *
 * <modified> shows a "M", if the binary is made from modified source code.
 */
const char _openttd_revision[] = "${REV_VERSION}";

/**
 * The text version of OpenTTD's build date.
 * Updating the build date in this file is the safest as it generally gets
 * updated for each revision in contrary to most other files that only see
 * updates when they are actually changed themselves.
 */
const char _openttd_build_date[] = __DATE__ " " __TIME__;

/**
 * The git revision hash of this version.
 */
const char _openttd_revision_hash[] = "${REV_HASH}";

/**
 * The year of this version.
 */
const char _openttd_revision_year[] = "${REV_YEAR}";

/**
 * Let us know if current build was modified. This detection
 * works even in the case when revision string is overridden by
 * --revision argument.
 * Value 0 means no modification, 1 is for unknown state
 * (compiling from sources without any version control software)
 * and 2 is for modified revision.
 */
const byte _openttd_revision_modified = ${REV_MODIFIED};

/**
 * Indicate whether this is a tagged version.
 * If this is non-0, then _openttd_revision is the name of the tag,
 * and the version is likely a beta, release candidate, or real release.
 */
const byte _openttd_revision_tagged = ${REV_ISTAG};

/**
 * The NewGRF revision of OTTD:
 * bits  meaning.
 * 28-31 major version
 * 24-27 minor version
 * 20-23 build
 *    19 1 if it is a release, 0 if it is not.
 *  0-18 used to be the SVN revision, now just last revision before switch to git
 *
 * The 19th bit is there so the development/betas/alpha, etc. leading to a
 * final release will always have a lower version number than the released
 * version, thus making comparisons on specific revisions easy.
 */
const uint32 _openttd_newgrf_version = ${REV_MAJOR} << 28 | ${REV_MINOR} << 24 | ${REV_BUILD} << 20 | ${REV_ISSTABLETAG} << 19 | 28004;