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/***************************************************************************
* _______ _______ _______ *
* | ___ |____ | ___ | *
* | | |_| / /| | |_| *
* | |_____ / / | |_____ *
* |_____ | / / |_____ | *
* _ | | / / _ | | *
* | |___| |/ /____| |___| | *
* |_______|_______|_______| *
* *
* 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) 2011-2023 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 ERR_WARNING;
}
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 ///////////////
///////////////////////////////////////////////////////////////////////////////
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