112 lines
2.8 KiB
Objective-C
Executable File
112 lines
2.8 KiB
Objective-C
Executable File
//
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// GameFile.m
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// Cog
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//
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// Created by Vincent Spader on 5/29/06.
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// Copyright 2006 Vincent Spader. All rights reserved.
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//
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#import <GME/gme.h>
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#import "GameContainer.h"
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#import "GameDecoder.h"
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#import "Logging.h"
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@implementation GameContainer
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+ (NSArray *)fileTypes
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{
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//There doesn't seem to be a way to get this list. These are the only multitrack types.
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return [NSArray arrayWithObjects:@"ay", @"gbs", @"hes", @"kss", @"nsf", @"nsfe", @"sap", @"sgc",
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@"vgm",@"vgz", // These are included so they can override AdPlug
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nil];
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}
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+ (NSArray *)mimeTypes
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{
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return nil;
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}
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+ (float)priority
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{
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return 1.0f;
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}
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//This really should be source...
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+ (NSArray *)urlsForContainerURL:(NSURL *)url
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{
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if ([url fragment]) {
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// input url already has fragment defined - no need to expand further
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return [NSMutableArray arrayWithObject:url];
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}
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// Dodge both VGMStream and AdPlug
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NSString * extension = [url pathExtension];
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if (extension && ([extension caseInsensitiveCompare:@"vgm"] == NSOrderedSame ||
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[extension caseInsensitiveCompare:@"vgz"] == NSOrderedSame))
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{
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return [NSMutableArray arrayWithObject:[NSURL URLWithString:[[url absoluteString] stringByAppendingString:@"#0"]]];
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}
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id audioSourceClass = NSClassFromString(@"AudioSource");
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id<CogSource> source = [audioSourceClass audioSourceForURL:url];
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if (![source open:url])
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return 0;
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if (![source seekable])
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return 0;
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[source seek:0 whence:SEEK_END];
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long size = [source tell];
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[source seek:0 whence:SEEK_SET];
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void * data = malloc(size);
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[source read:data amount:size];
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Music_Emu *emu;
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gme_err_t error = gme_open_data(data, size, &emu, 44100);
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free(data);
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if (NULL != error) {
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ALog(@"GME: Error loading file: %@ %s", [url path], error);
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return [NSArray arrayWithObject:url];
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}
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NSURL *m3uurl = [url URLByDeletingPathExtension];
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m3uurl = [m3uurl URLByAppendingPathExtension:@"m3u"];
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id<CogSource> m3usrc = [audioSourceClass audioSourceForURL:m3uurl];
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if ([m3usrc open:m3uurl])
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{
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if ([m3usrc seekable])
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{
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[m3usrc seek:0 whence:SEEK_END];
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size = [m3usrc tell];
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[m3usrc seek:0 whence:SEEK_SET];
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data = malloc(size);
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[m3usrc read:data amount:size];
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error = gme_load_m3u_data(emu, data, size);
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free(data);
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ALog(@"M3U loaded: %s", error ? error : "no error");
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}
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}
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int track_count = gme_track_count(emu);
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NSMutableArray *tracks = [NSMutableArray array];
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int i;
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for (i = 0; i < track_count; i++) {
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[tracks addObject:[NSURL URLWithString:[[url absoluteString] stringByAppendingFormat:@"#%i", i]]];
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}
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return tracks;
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}
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@end
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