diff options
Diffstat (limited to 'plugins/gme/game-music-emu-0.5.5/gme/Gme_File.cpp')
| -rw-r--r-- | plugins/gme/game-music-emu-0.5.5/gme/Gme_File.cpp | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/plugins/gme/game-music-emu-0.5.5/gme/Gme_File.cpp b/plugins/gme/game-music-emu-0.5.5/gme/Gme_File.cpp deleted file mode 100644 index 17edc9f8..00000000 --- a/plugins/gme/game-music-emu-0.5.5/gme/Gme_File.cpp +++ /dev/null @@ -1,216 +0,0 @@ -// Game_Music_Emu 0.5.5. http://www.slack.net/~ant/ - -#include "Gme_File.h" - -#include "blargg_endian.h" -#include <string.h> - -/* Copyright (C) 2003-2006 Shay Green. This module is free software; you -can redistribute it and/or modify it under the terms of the GNU Lesser -General Public License as published by the Free Software Foundation; either -version 2.1 of the License, or (at your option) any later version. This -module 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 Lesser General Public License for more -details. You should have received a copy of the GNU Lesser General Public -License along with this module; if not, write to the Free Software Foundation, -Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA */ - -#include "blargg_source.h" - -const char* const gme_wrong_file_type = "Wrong file type for this emulator"; - -void Gme_File::clear_playlist() -{ - playlist.clear(); - clear_playlist_(); - track_count_ = raw_track_count_; -} - -void Gme_File::unload() -{ - clear_playlist(); // *before* clearing track count - track_count_ = 0; - raw_track_count_ = 0; - file_data.clear(); -} - -Gme_File::Gme_File() -{ - type_ = 0; - user_data_ = 0; - user_cleanup_ = 0; - unload(); // clears fields - blargg_verify_byte_order(); // used by most emulator types, so save them the trouble -} - -Gme_File::~Gme_File() -{ - if ( user_cleanup_ ) - user_cleanup_( user_data_ ); -} - -blargg_err_t Gme_File::load_mem_( byte const* data, long size ) -{ - require( data != file_data.begin() ); // load_mem_() or load_() must be overridden - Mem_File_Reader in( data, size ); - return load_( in ); -} - -blargg_err_t Gme_File::load_( Data_Reader& in ) -{ - RETURN_ERR( file_data.resize( in.remain() ) ); - RETURN_ERR( in.read( file_data.begin(), file_data.size() ) ); - return load_mem_( file_data.begin(), file_data.size() ); -} - -// public load functions call this at beginning -void Gme_File::pre_load() { unload(); } - -void Gme_File::post_load_() { } - -// public load functions call this at end -blargg_err_t Gme_File::post_load( blargg_err_t err ) -{ - if ( !track_count() ) - set_track_count( type()->track_count ); - if ( !err ) - post_load_(); - else - unload(); - - return err; -} - -// Public load functions - -blargg_err_t Gme_File::load_mem( void const* in, long size ) -{ - pre_load(); - return post_load( load_mem_( (byte const*) in, size ) ); -} - -blargg_err_t Gme_File::load( Data_Reader& in ) -{ - pre_load(); - return post_load( load_( in ) ); -} - -blargg_err_t Gme_File::load_file( const char* path ) -{ - pre_load(); - GME_FILE_READER in; - RETURN_ERR( in.open( path ) ); - return post_load( load_( in ) ); -} - -blargg_err_t Gme_File::load_remaining_( void const* h, long s, Data_Reader& in ) -{ - Remaining_Reader rem( h, s, &in ); - return load( rem ); -} - -// Track info - -void Gme_File::copy_field_( char* out, const char* in, int in_size ) -{ - if ( !in || !*in ) - return; - - // remove spaces/junk from beginning - while ( in_size && unsigned (*in - 1) <= ' ' - 1 ) - { - in++; - in_size--; - } - - // truncate - if ( in_size > max_field_ ) - in_size = max_field_; - - // find terminator - int len = 0; - while ( len < in_size && in [len] ) - len++; - - // remove spaces/junk from end - while ( len && unsigned (in [len - 1]) <= ' ' ) - len--; - - // copy - out [len] = 0; - memcpy( out, in, len ); - - // strip out stupid fields that should have been left blank - if ( !strcmp( out, "?" ) || !strcmp( out, "<?>" ) || !strcmp( out, "< ? >" ) ) - out [0] = 0; -} - -void Gme_File::copy_field_( char* out, const char* in ) -{ - copy_field_( out, in, max_field_ ); -} - -blargg_err_t Gme_File::remap_track_( int* track_io ) const -{ - if ( (unsigned) *track_io >= (unsigned) track_count() ) - return "Invalid track"; - - if ( (unsigned) *track_io < (unsigned) playlist.size() ) - { - M3u_Playlist::entry_t const& e = playlist [*track_io]; - *track_io = 0; - if ( e.track >= 0 ) - { - *track_io = e.track; - if ( !(type_->flags_ & 0x02) ) - *track_io -= e.decimal_track; - } - if ( *track_io >= raw_track_count_ ) - return "Invalid track in m3u playlist"; - } - else - { - check( !playlist.size() ); - } - return 0; -} - -blargg_err_t Gme_File::track_info( track_info_t* out, int track ) const -{ - out->track_count = track_count(); - out->length = -1; - out->loop_length = -1; - out->intro_length = -1; - out->song [0] = 0; - - out->game [0] = 0; - out->author [0] = 0; - out->copyright [0] = 0; - out->comment [0] = 0; - out->dumper [0] = 0; - out->system [0] = 0; - - copy_field_( out->system, type()->system ); - - int remapped = track; - RETURN_ERR( remap_track_( &remapped ) ); - RETURN_ERR( track_info_( out, remapped ) ); - - // override with m3u info - if ( playlist.size() ) - { - M3u_Playlist::info_t const& i = playlist.info(); - copy_field_( out->game , i.title ); - copy_field_( out->author, i.engineer ); - copy_field_( out->author, i.composer ); - copy_field_( out->dumper, i.ripping ); - - M3u_Playlist::entry_t const& e = playlist [track]; - copy_field_( out->song, e.name ); - if ( e.length >= 0 ) out->length = e.length * 1000L; - if ( e.intro >= 0 ) out->intro_length = e.intro * 1000L; - if ( e.loop >= 0 ) out->loop_length = e.loop * 1000L; - } - return 0; -} |