SZS v2.18a

1 files changed, 153 insertions, 0 deletions

diff --git a/project/src/lib-rkg.c b/project/src/lib-rkg.c
new file mode 100644
index 0000000..9d39c74
--- /dev/null
+++ b/project/src/lib-rkg.c
@@ -0,0 +1,153 @@
+
+/***************************************************************************
+ *                         _______ _______ _______                         *
+ *                        |  ___  |____   |  ___  |                        *
+ *                        | |   |_|    / /| |   |_|                        *
+ *                        | |_____    / / | |_____                         *
+ *                        |_____  |  / /  |_____  |                        *
+ *                         _    | | / /    _    | |                        *
+ *                        | |___| |/ /____| |___| |                        *
+ *                        |_______|_______|_______|                        *
+ *                                                                         *
+ *                            Wiimms SZS Tools                             *
+ *                          https://szs.wiimm.de/                          *
+ *                                                                         *
+ ***************************************************************************
+ *                                                                         *
+ *   This file is part of the SZS project.                                 *
+ *   Visit https://szs.wiimm.de/ for project details and sources.          *
+ *                                                                         *
+ *   Copyright (c) 2011-2020 by Dirk Clemens <wiimm@wiimm.de>              *
+ *                                                                         *
+ ***************************************************************************
+ *                                                                         *
+ *   This program 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; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ *   This program 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.                          *
+ *                                                                         *
+ *   See file gpl-2.0.txt or http://www.gnu.org/licenses/gpl-2.0.txt       *
+ *                                                                         *
+ ***************************************************************************/
+
+//#include <sys/types.h>
+//#include <sys/stat.h>
+//#include <unistd.h>
+//#include <dirent.h>
+//#include <math.h>
+
+#include "lib-rkg.h"
+
+//
+///////////////////////////////////////////////////////////////////////////////
+///////////////			ScanRawDataGHOST()		///////////////
+///////////////////////////////////////////////////////////////////////////////
+
+static u32 ScanTimeRKG ( const u8 * data )
+{
+    DASSERT(data);
+    const u32 min = data[0] >> 1;
+    const u32 sec = be16(data) >> 2 & 0x7f;
+    return ( be16(data+1) & 0x3ff ) + 1000 * sec + 60000 * min;
+}
+
+//-----------------------------------------------------------------------------
+
+static uint CalcFrameTime ( const u8 ** pptr, uint n )
+{
+    const u8 *ptr = *pptr;
+    uint frames = 0;
+
+    while ( n-- > 0 )
+    {
+	ptr++;			// skip data field
+	frames += *ptr++;	// add frame count
+    }
+    *pptr = ptr;
+
+    // subtract 4 sec (0xfd frames) for countdown, then convert to msec
+    frames = frames < 0xf0 ? 0 : frames - 0xf0;
+    return frames * 100000 / 5994;
+}
+
+//-----------------------------------------------------------------------------
+
+enumError ScanRawDataGHOST
+(
+    rkg_info_t		* ri,		// RKG info
+    bool		init_ri,	// true: initialize 'ri' first
+    struct raw_data_t	* raw		// valid raw data
+)
+{
+    DASSERT(ri);
+    DASSERT(raw);
+
+    if (init_ri)
+	InitializeRKGInfo(ri);
+    else
+	ResetRKGInfo(ri);
+
+    if ( raw->data_size < sizeof(rkg_head_t) )
+    {
+	ri->error = "too small";
+	return ERR_WARNING;
+    }
+
+    rkg_head_t *rh = (rkg_head_t*)raw->data;
+    if ( memcmp(&rh->magic,RKG_MAGIC,4) )
+    {
+	ri->error = "wrong magic";
+	return ERR_WARNING;
+    }
+
+    ri->score = ScanTimeRKG(rh->score);
+    ri->is_compressed = ( ntohs(rh->type) & 0x0800 ) != 0;
+    ri->data_size = ntohs(rh->data_size);
+
+    const u8 * data = raw->data + sizeof(*rh);
+    uint alloced_size = 0;
+    if (ri->is_compressed)
+    {
+	uint alloced_size = ri->data_size;
+	u8 *dest = CALLOC(alloced_size,1);
+	size_t written, csize = be32(data);
+
+	enumError err = DecompressYAZ( data+0x14, csize,
+		dest, alloced_size, &written, raw->fname, 1, false, 0 );
+	if (err)
+	{
+	    FREE(dest);
+	    ri->error = "decompression failed";
+	    return false;
+	}
+
+	data = dest;
+	ri->data_size = written;
+	if ( verbose > 1 )
+	    HexDump16(stdout,0,0,data,ri->data_size);
+    }
+
+    ri->n_but   = be16(data);
+    ri->n_dir   = be16(data+2);
+    ri->n_trick = be16(data+4);
+
+    const u8 *ptr = data+8;
+    ri->time_but   = CalcFrameTime(&ptr,ri->n_but);
+    ri->time_dir   = CalcFrameTime(&ptr,ri->n_dir);
+    ri->time_trick = CalcFrameTime(&ptr,ri->n_trick);
+
+    if (alloced_size)
+	FREE((char*)data);
+    return ERR_OK;
+}
+
+//
+///////////////////////////////////////////////////////////////////////////////
+///////////////			    END				///////////////
+///////////////////////////////////////////////////////////////////////////////
+