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/* ScummVM - Graphic Adventure Engine
*
* ScummVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#ifndef GLK_BLORB_H
#define GLK_BLORB_H
#include "glk/glk_types.h"
#include "glk/streams.h"
namespace Glk {
/**
* Error type
*/
typedef glui32 giblorb_err_t;
/**
* Error codes
*/
enum giblorbError {
giblorb_err_None = 0,
giblorb_err_CompileTime = 1,
giblorb_err_Alloc = 2,
giblorb_err_Read = 3,
giblorb_err_NotAMap = 4,
giblorb_err_Format = 5,
giblorb_err_NotFound = 6
};
/**
* Methods for loading a chunk
*/
enum giblorbMethod {
giblorb_method_DontLoad = 0,
giblorb_method_Memory = 1,
giblorb_method_FilePos = 2
};
enum {
giblorb_ID_Snd = MKTAG('S', 'n', 'd', ' '),
giblorb_ID_Exec = MKTAG('E', 'x', 'e', 'c'),
giblorb_ID_Pict = MKTAG('P', 'i', 'c', 't'),
giblorb_ID_Copyright = MKTAG('(', 'c', ')', ' '),
giblorb_ID_AUTH = MKTAG('A', 'U', 'T', 'H'),
giblorb_ID_ANNO = MKTAG('A', 'N', 'N', 'O')
};
enum {
giblorb_ID_MOD = MKTAG('M', 'O', 'D', ' '),
giblorb_ID_FORM = MKTAG('F', 'O', 'R', 'M'),
giblorb_ID_IFRS = MKTAG('I', 'F', 'R', 'S'),
giblorb_ID_RIdx = MKTAG('R', 'I', 'd', 'x'),
giblorb_ID_OGG = MKTAG('O', 'G', 'G', 'V'),
// non-standard types
giblorb_ID_MIDI = MKTAG('M', 'I', 'D', 'I'),
giblorb_ID_MP3 = MKTAG('M', 'P', '3', ' '),
giblorb_ID_WAVE = MKTAG('W', 'A', 'V', 'E')
};
/**
* Holds the complete description of an open Blorb file.
* This type is opaque for normal interpreter use.
*/
typedef struct giblorb_map_struct giblorb_map_t;
/* giblorb_result_t: Result when you try to load a chunk. */
typedef struct giblorb_result_struct {
glui32 chunknum; // The chunk number (for use in giblorb_unload_chunk(), etc.)
union {
void *ptr; ///< A pointer to the data (if you used giblorb_method_Memory)
glui32 startpos; ///< The position in the file (if you used giblorb_method_FilePos)
} data;
glui32 length; ///< The length of the data
glui32 chunktype; ///< The type of the chunk.
} giblorb_result_t;
typedef struct giblorb_resdesc_struct giblorb_resdesc_t;
class Blorb {
private:
bool _libInited;
Common::SeekableReadStream *_file;
giblorb_map_t *_map;
private:
/**
* Initializes Blorb
*/
giblorb_err_t giblorb_initialize();
giblorb_err_t giblorb_initialize_map(giblorb_map_t *map);
void giblorb_qsort(giblorb_resdesc_t **list, size_t len);
giblorb_resdesc_t *giblorb_bsearch(giblorb_resdesc_t *sample,
giblorb_resdesc_t **list, int len);
int sortsplot(giblorb_resdesc_t *v1, giblorb_resdesc_t *v2);
public:
/**
* Constructor
*/
Blorb() : _libInited(false), _file(nullptr), _map(nullptr) {}
giblorb_err_t giblorb_set_resource_map(Common::SeekableReadStream *file);
giblorb_map_t *giblorb_get_resource_map(void);
bool giblorb_is_resource_map(void) const;
giblorb_err_t giblorb_create_map(Common::SeekableReadStream *file, giblorb_map_t **newmap);
giblorb_err_t giblorb_destroy_map(giblorb_map_t *map);
giblorb_err_t giblorb_load_chunk_by_type(giblorb_map_t *map,
glui32 method, giblorb_result_t *res, glui32 chunktype, glui32 count);
giblorb_err_t giblorb_load_chunk_by_number(giblorb_map_t *map,
glui32 method, giblorb_result_t *res, glui32 chunknum);
giblorb_err_t giblorb_unload_chunk(giblorb_map_t *map, glui32 chunknum);
giblorb_err_t giblorb_load_resource(giblorb_map_t *map, glui32 method,
giblorb_result_t *res, glui32 usage, glui32 resnum);
giblorb_err_t giblorb_count_resources(giblorb_map_t *map,
glui32 usage, glui32 *num, glui32 *min, glui32 *max);
};
} // End of namespace Glk
#endif
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