396 lines
11 KiB
Objective-C
396 lines
11 KiB
Objective-C
//
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// PcsxrPlugin.m
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// Pcsxr
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//
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// Created by Gil Pedersen on Fri Oct 03 2003.
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// Copyright (c) 2003 __MyCompanyName__. All rights reserved.
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//
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#import <Cocoa/Cocoa.h>
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#import "PcsxrPlugin.h"
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#include "psxcommon.h"
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#include "plugins.h"
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#define kPCSXRGetLibName "PSEgetLibName"
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#define kPCSXRGetLibVersion "PSEgetLibVersion"
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#define kPCSXRGetLibType "PSEgetLibType"
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@interface PcsxrPlugin ()
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@property (readwrite, copy) NSString *path;
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@property (readwrite, copy) NSString *name;
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@property (strong) NSDate *modDate;
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@property (copy) NSString *fullPlugPath;
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@property long version;
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@property (readwrite) int type;
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@property int active;
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@property void *pluginRef;
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@end
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@implementation PcsxrPlugin
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@synthesize pluginRef;
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@synthesize active;
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@synthesize fullPlugPath;
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@synthesize modDate;
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@synthesize path;
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@synthesize type;
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@synthesize version;
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+ (NSString *)prefixForType:(int)aType
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{
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switch (aType) {
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case PSE_LT_GPU: return @"GPU"; break;
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case PSE_LT_CDR: return @"CDR"; break;
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case PSE_LT_SPU: return @"SPU"; break;
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case PSE_LT_PAD: return @"PAD"; break;
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case PSE_LT_NET: return @"NET"; break;
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case PSE_LT_SIO1: return @"SIO1"; break;
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}
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return @"";
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}
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+ (NSString *)defaultKeyForType:(int)aType
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{
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switch (aType) {
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case PSE_LT_GPU:
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case PSE_LT_CDR:
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case PSE_LT_SPU:
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case PSE_LT_PAD:
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case PSE_LT_NET:
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case PSE_LT_SIO1:
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return [NSString stringWithFormat:@"Plugin%@", [self prefixForType:aType]];
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break;
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default:
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return @"";
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break;
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}
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}
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+ (char **)configEntriesForType:(int)aType
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{
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static char *gpu[2] = {(char *)&Config.Gpu, NULL};
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static char *cdr[2] = {(char *)&Config.Cdr, NULL};
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static char *spu[2] = {(char *)&Config.Spu, NULL};
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static char *pad[3] = {(char *)&Config.Pad1, (char *)&Config.Pad2, NULL};
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static char *net[2] = {(char *)&Config.Net, NULL};
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static char *sio1[2] = {(char *)&Config.Sio1, NULL};
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switch (aType) {
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case PSE_LT_GPU: return (char **)gpu;
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case PSE_LT_CDR: return (char **)cdr;
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case PSE_LT_SPU: return (char **)spu;
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case PSE_LT_PAD: return (char **)pad;
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case PSE_LT_NET: return (char **)net;
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case PSE_LT_SIO1: return (char **)sio1;
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}
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return nil;
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}
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+ (NSArray *)pluginsPaths
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{
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static NSArray *returnArray = nil;
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if (returnArray == nil)
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{
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NSURL *supportURL = [[NSFileManager defaultManager] URLForDirectory:NSApplicationSupportDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:NULL];
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NSURL *libraryURL = [[NSFileManager defaultManager] URLForDirectory:NSLibraryDirectory inDomain:NSUserDomainMask appropriateForURL:nil create:YES error:NULL];
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NSURL *localSupportURL = [[NSFileManager defaultManager] URLForDirectory:NSApplicationSupportDirectory inDomain:NSLocalDomainMask appropriateForURL:nil create:YES error:NULL];
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NSURL *localLibraryURL = [[NSFileManager defaultManager] URLForDirectory:NSLibraryDirectory inDomain:NSLocalDomainMask appropriateForURL:nil create:YES error:NULL];
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NSMutableArray *mutArray = [NSMutableArray arrayWithCapacity:5];
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[mutArray addObject:[[NSFileManager defaultManager] stringWithFileSystemRepresentation:Config.PluginsDir length:strlen(Config.PluginsDir)]];
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NSURL *url = [localLibraryURL URLByAppendingPathComponent:@"Playstation Emulator Plugins"];
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if ([url checkResourceIsReachableAndReturnError:NULL])
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[mutArray addObject:[url path]];
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url = [[localSupportURL URLByAppendingPathComponent:@"Pcsxr"] URLByAppendingPathComponent:@"PlugIns"];
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if ([url checkResourceIsReachableAndReturnError:NULL])
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[mutArray addObject:[url path]];
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url = [libraryURL URLByAppendingPathComponent:@"Playstation Emulator Plugins"];
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if ([url checkResourceIsReachableAndReturnError:NULL])
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[mutArray addObject:[url path]];
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url = [[supportURL URLByAppendingPathComponent:@"Pcsxr"] URLByAppendingPathComponent:@"PlugIns"];
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if ([url checkResourceIsReachableAndReturnError:NULL])
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[mutArray addObject:[url path]];
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returnArray = [[NSArray alloc] initWithArray:mutArray];
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}
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return returnArray;
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}
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- (instancetype)initWithPath:(NSString *)aPath
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{
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if (!(self = [super init])) {
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return nil;
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}
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PSEgetLibType PSE_getLibType = NULL;
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PSEgetLibVersion PSE_getLibVersion = NULL;
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PSEgetLibName PSE_getLibName = NULL;
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NSFileManager *fm = [NSFileManager defaultManager];
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pluginRef = NULL;
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self.name = nil;
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self.path = aPath;
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NSString *goodPath = nil;
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if ([aPath isAbsolutePath]) {
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goodPath = aPath;
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} else {
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long tempVers = 0;
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for (NSString *plugDir in [PcsxrPlugin pluginsPaths])
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{
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NSString *fullPath = [plugDir stringByAppendingPathComponent:path];
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if ([fm fileExistsAtPath:fullPath]) {
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void *tempHandle = SysLoadLibrary([fullPath fileSystemRepresentation]);
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if (tempHandle != NULL)
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{
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PSEgetLibVersion tempLibVersion = SysLoadSym(tempHandle, kPCSXRGetLibVersion);
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if (SysLibError() == NULL)
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{
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long tempVers2 = tempLibVersion();
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if (tempVers < tempVers2 ){
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goodPath = fullPath;
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tempVers = tempVers2;
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if (![plugDir isEqualToString:[fm stringWithFileSystemRepresentation:Config.PluginsDir length:strlen(Config.PluginsDir)]]) {
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self.path = goodPath;
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}
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}
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}
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SysCloseLibrary(tempHandle);
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} else {
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SysLibError();
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}
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}
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}
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}
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if (goodPath == nil) {
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return nil;
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}
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pluginRef = SysLoadLibrary([goodPath fileSystemRepresentation]);
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if (pluginRef == NULL) {
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SysLibError();
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return nil;
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}
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// TODO: add support for plugins with multiple functionalities?
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PSE_getLibType = (PSEgetLibType) SysLoadSym(pluginRef, kPCSXRGetLibType);
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if (SysLibError() != nil) {
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if (([path rangeOfString: @"gpu" options:NSCaseInsensitiveSearch]).length != 0)
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type = PSE_LT_GPU;
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else if (([path rangeOfString: @"cdr" options:NSCaseInsensitiveSearch]).length != 0)
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type = PSE_LT_CDR;
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else if (([path rangeOfString: @"spu" options:NSCaseInsensitiveSearch]).length != 0)
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type = PSE_LT_SPU;
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else if (([path rangeOfString: @"pad" options:NSCaseInsensitiveSearch]).length != 0)
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type = PSE_LT_PAD;
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else if (([path rangeOfString: @"net" options:NSCaseInsensitiveSearch]).length != 0)
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type = PSE_LT_NET;
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else if (([path rangeOfString: @"sio1" options:NSCaseInsensitiveSearch]).length != 0)
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type = PSE_LT_SIO1;
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else {
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return nil;
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}
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} else {
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type = (int)PSE_getLibType();
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if (type != PSE_LT_GPU && type != PSE_LT_CDR && type != PSE_LT_SPU && type != PSE_LT_PAD && type != PSE_LT_NET && type != PSE_LT_SIO1) {
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return nil;
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}
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}
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PSE_getLibName = (PSEgetLibName) SysLoadSym(pluginRef, kPCSXRGetLibName);
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if (SysLibError() == nil) {
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self.name = @(PSE_getLibName());
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}
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PSE_getLibVersion = (PSEgetLibVersion) SysLoadSym(pluginRef, kPCSXRGetLibVersion);
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if (SysLibError() == nil) {
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version = PSE_getLibVersion();
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} else {
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version = -1;
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}
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// save the current modification date
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NSDictionary *fattrs = [fm attributesOfItemAtPath:[goodPath stringByResolvingSymlinksInPath] error:NULL];
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self.modDate = [fattrs fileModificationDate];
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self.fullPlugPath = goodPath;
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active = 0;
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return self;
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}
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- (void)dealloc
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{
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int i;
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// shutdown if we had previously been inited
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for (i=0; i<32; i++) {
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if (active & (1 << i)) {
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[self shutdownAs:(1 << i)];
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}
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}
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if (pluginRef) {
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SysCloseLibrary(pluginRef);
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pluginRef = NULL;
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}
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}
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#define PluginSymbolName(type, theName) [[PcsxrPlugin prefixForType:type] stringByAppendingString:theName]
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#define PluginSymbolNameConfigure(type) PluginSymbolName(type, @"configure")
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#define PluginSymbolNameAbout(type) PluginSymbolName(type, @"about")
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- (void)runCommandNamed:(NSString*)arg
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{
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long (*func)(void);
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func = SysLoadSym(pluginRef, [arg cStringUsingEncoding:NSASCIIStringEncoding]);
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if (SysLibError() == NULL) {
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func();
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} else {
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NSBeep();
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}
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}
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- (long)runAs:(int)aType
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{
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long (*init)();
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long (*initArg)(long arg);
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long res = PSE_ERR_FATAL;
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if ((active & aType) == aType) {
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return 0;
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}
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init = initArg = SysLoadSym(pluginRef, [PluginSymbolName(aType, @"init")
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cStringUsingEncoding:NSASCIIStringEncoding]);
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if (SysLibError() == NULL) {
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if (aType != PSE_LT_PAD) {
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res = init();
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} else {
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res = initArg(1|2);
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}
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}
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if (0 == res) {
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active |= aType;
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} else {
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NSRunCriticalAlertPanel(NSLocalizedString(@"Plugin Initialization Failed!", nil),
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NSLocalizedString(@"Pcsxr failed to initialize the selected %@ plugin (error=%i).\nThe plugin might not work with your system.", nil),
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nil, nil, nil, [PcsxrPlugin prefixForType:aType], res);
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return res;
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}
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//Prevent a memory leak.
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long (*shutdown)(void);
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shutdown = SysLoadSym(pluginRef, [PluginSymbolName(aType, @"shutdown")
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cStringUsingEncoding:NSASCIIStringEncoding]);
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if (SysLibError() == NULL) {
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shutdown();
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}
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return res;
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}
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- (long)shutdownAs:(int)aType
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{
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#if 0
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long (*shutdown)(void);
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shutdown = SysLoadSym(pluginRef, [PluginSymbolName(aType, @"shutdown")
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cStringUsingEncoding:NSASCIIStringEncoding]);
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if (SysLibError() == nil) {
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active &= ~aType;
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return shutdown();
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}
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return PSE_ERR_FATAL;
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#else
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active &= ~aType;
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return PSE_ERR_SUCCESS;
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#endif
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}
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- (BOOL)hasAboutAs:(int)aType
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{
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SysLoadSym(pluginRef, [PluginSymbolNameAbout(aType)
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cStringUsingEncoding:NSASCIIStringEncoding]);
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return (SysLibError() == NULL);
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}
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- (BOOL)hasConfigureAs:(int)aType
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{
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SysLoadSym(pluginRef, [PluginSymbolNameConfigure(aType)
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cStringUsingEncoding:NSASCIIStringEncoding]);
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return (SysLibError() == NULL);
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}
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- (void)aboutAs:(int)aType
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{
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NSString *aboutSym = PluginSymbolNameAbout(aType);
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//NSArray *arg = @[aboutSym, @0];
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// detach a new thread
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dispatch_async(dispatch_get_global_queue(0, 0), ^{
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[self runCommandNamed:aboutSym];
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});
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}
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- (void)configureAs:(int)aType
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{
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NSString *configSym = PluginSymbolNameConfigure(aType);
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//NSArray *arg = @[configSym, @1];
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// detach a new thread
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dispatch_async(dispatch_get_global_queue(0, 0), ^{
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[self runCommandNamed:configSym];
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});
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}
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- (NSString *)displayVersion
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{
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if (version == -1)
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return @"";
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return [NSString stringWithFormat:@"v%ld.%ld.%ld", version>>16,(version>>8)&0xff,version&0xff];
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}
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- (NSUInteger)hash
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{
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return [fullPlugPath hash];
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}
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- (NSString *)description
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{
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if (_name == nil)
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return [path lastPathComponent];
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return [NSString stringWithFormat:@"%@ %@ [%@]", self.name, self.displayVersion, path.lastPathComponent];
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}
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- (NSString*)debugDescription
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{
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if (_name == nil) {
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return fullPlugPath;
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}
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return [NSString stringWithFormat:@"%@, %@ [%@]", self.name, self.displayVersion, fullPlugPath];
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}
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// the plugin will check if it's still valid and return the status
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- (BOOL)verifyOK
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{
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// check that the file is still there with the same modification date
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NSFileManager *dfm = [NSFileManager defaultManager];
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if (![dfm fileExistsAtPath:fullPlugPath])
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return NO;
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NSDictionary *fattrs = [dfm attributesOfItemAtPath:[fullPlugPath stringByResolvingSymlinksInPath] error:NULL];
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return [[fattrs fileModificationDate] isEqualToDate:modDate];
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}
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@end
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