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[r706]: / branches / iosurface / OEGameCoreController.m  Maximize  Restore  History

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/*

Copyright (c) 2009, OpenEmu Team

All rights reserved.

Redistribution and use in source and binary forms, with or without

modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright

notice, this list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright

notice, this list of conditions and the following disclaimer in the

documentation and/or other materials provided with the distribution.

* Neither the name of the OpenEmu Team nor the

names of its contributors may be used to endorse or promote products

derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY OpenEmu Team ''AS IS'' AND ANY

EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE

DISCLAIMED. IN NO EVENT SHALL OpenEmu Team BE LIABLE FOR ANY

DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES

(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;

LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND

ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS

SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

*/

#import "OEGameCoreController.h"

#import "OEAbstractAdditions.h"

#import "OEControlsViewController.h"

#import "NSApplication+OEHIDAdditions.h"

#import "GameCore.h"

#import "OEHIDEvent.h"

NSString *const OEControlsPreferenceKey = @"OEControlsPreferenceKey";

NSString *const OEAdvancedPreferenceKey = @"OEAdvancedPreferenceKey";

NSString *const OESettingValueKey = @"OESettingValueKey";

NSString *const OEHIDEventValueKey = @"OEHIDEventValueKey";

NSString *const OEKeyboardEventValueKey = @"OEKeyboardEventValueKey";

NSString *OEEventNamespaceKeys[] = { @"", @"OEGlobalNamespace", @"OEKeyboardNamespace", @"OEHIDNamespace", @"OEMouseNamespace", @"OEOtherNamespace" };

@interface NSString (OEAdditions)

- (BOOL)isEqualToString:(NSString *)aString excludingRange:(NSRange)aRange;

@end

@implementation NSString (OEAdditions)

- (BOOL)isEqualToString:(NSString *)aString excludingRange:(NSRange)aRange

{

NSUInteger length1 = [self length];

NSUInteger length2 = [aString length];

if(length1 != length2) return NO;

NSUInteger i = 0;

while(i < length1 && i < length2)

{

if(aRange.location <= i && i < aRange.location + aRange.length)

{

i = aRange.location + aRange.length;

continue;

}

if([self characterAtIndex:i] != [aString characterAtIndex:i])

return NO;

i++;

}

return YES;

}

@end

@interface NSUserDefaultsController (OEEventAdditions)

- (id)eventValueForKeyPath:(NSString *)keyPath;

@end

@interface OEGameCoreController () <OESettingObserver>

- (void)OE_observeSettings;

- (void)OE_stopObservingSettings;

- (void)OE_enumerateSettingKeysUsingBlock:(void(^)(NSString *keyPath, NSString *keyName, NSString *keyType))block;

@end

@implementation OEGameCoreController

@synthesize currentPreferenceViewController, bundle, playerString, replacePlayerFormat;

static NSMutableDictionary *_preferenceViewControllerClasses = nil;

+ (void)initialize

{

if(self == [OEGameCoreController class])

{

_preferenceViewControllerClasses = [[NSMutableDictionary alloc] init];

}

}

+ (void)registerPreferenceViewControllerClasses:(NSDictionary *)viewControllerClasses

{

if([viewControllerClasses count] == 0) return;

NSDictionary *existing = [_preferenceViewControllerClasses objectForKey:self];

if(existing != nil)

{

NSMutableDictionary *future = [existing mutableCopy];

[future addEntriesFromDictionary:viewControllerClasses];

viewControllerClasses = [future autorelease];

}

[_preferenceViewControllerClasses setObject:[[viewControllerClasses copy] autorelease] forKey:self];

}

- (NSArray *)availablePreferenceViewControllers

{

return [[_preferenceViewControllerClasses objectForKey:[self class]] allKeys];

}

- (NSUInteger)playerCount

{

//[self doesNotImplementSelector:_cmd];

return 0;

}

- (NSArray *)usedSettingNames

{

return [NSArray array];

}

- (NSArray *)usedControlNames

{

return [NSArray array];

}

- (NSArray *)genericControlNames

{

return [self usedControlNames];

}

- (NSString *)pluginName

{

[self doesNotRecognizeSelector:_cmd];

return nil;

}

static void OE_setupControlNames(OEGameCoreController *self)

{

//if(self->controlNames != nil) return;

NSArray *genericNames = [self genericControlNames];

NSUInteger playerCount = [self playerCount];

NSMutableArray *temp = [NSMutableArray arrayWithCapacity:[genericNames count] * playerCount];

NSUInteger atLen = 0;

NSUInteger play = playerCount;

while (play != 0) {

atLen++;

play /= 10;

}

char *atCStr = NSZoneMalloc(NSDefaultMallocZone(), atLen + 1);

for(NSUInteger i = 0; i < atLen; i++) atCStr[i] = '@';

atCStr[atLen] = '\0';

NSString *atStr = [[NSString alloc] initWithBytes:atCStr length:atLen encoding:NSASCIIStringEncoding];

NSZoneFree(NSDefaultMallocZone(), atCStr);

self->playerString = atStr;

NSString *format = [[NSString alloc] initWithFormat:@"%%0%uu", [atStr length]];

self->replacePlayerFormat = format;

for(NSUInteger i = 1; i <= playerCount; i++)

{

for(NSString *genericName in genericNames)

{

NSString *playNo = [NSString stringWithFormat:format, i];

NSString *add = [genericName stringByReplacingOccurrencesOfString:atStr withString:playNo];

if(![temp containsObject:add]) [temp addObject:add];

}

}

self->controlNames = [temp copy];

}

- (id)init

{

self = [super init];

if(self != nil)

{

bundle = [NSBundle bundleForClass:[self class]];

gameDocuments = [[NSMutableArray alloc] init];

settingObservers = [[NSMutableArray alloc] init];

OE_setupControlNames(self);

[self OE_observeSettings];

}

return self;

}

- (void) dealloc

{

[self OE_stopObservingSettings];

[gameDocuments makeObjectsPerformSelector:@selector(close)];

[controlNames release];

[playerString release];

[gameDocuments release];

[replacePlayerFormat release];

[currentPreferenceViewController release];

[super dealloc];

}

- (Class)gameCoreClass

{

[self doesNotRecognizeSelector:_cmd];

return Nil;

}

- (BOOL)acceptsFirstResponder

{

return YES;

}

- (id)newPreferenceViewControllerForKey:(NSString *)aKey

{

[currentPreferenceViewController release];

Class controllerClass = [[_preferenceViewControllerClasses objectForKey:[self class]] objectForKey:aKey];

if(controllerClass != nil)

{

NSString *nibName = [controllerClass preferenceNibName];

// A key is always like that: OEMyPreferenceNibNameKey, so the default nibName is MyPreferenceNibName

if(nibName == nil) nibName = [aKey substringWithRange:NSMakeRange(2, [aKey length] - 5)];

currentPreferenceViewController = [[controllerClass alloc] initWithNibName:nibName bundle:bundle];

}

else

currentPreferenceViewController = [[NSViewController alloc] initWithNibName:@"UnimplementedPreference"

bundle:[NSBundle mainBundle]];

[currentPreferenceViewController setNextResponder:self];

// Ensures the current view controller is always owned by the GameCore controller

return [currentPreferenceViewController retain];

}

- (GameCore *)newGameCore

{

GameCore *ret = [[[self gameCoreClass] alloc] initWithDocument:nil];

ret.owner = self;

return ret;

}

- (void)OE_enumerateSettingKeysUsingBlock:(void(^)(NSString *keyPath, NSString *keyName, NSString *keyType))block

{

NSString *baseName = [NSString stringWithFormat:@"values.%@.", [self pluginName]];

// register gamecore custom settings

NSArray *settingNames = [self usedSettingNames];

for(NSString *name in settingNames)

{

block([baseName stringByAppendingString:name], name, OESettingValueKey);

}

// register gamecore control names

NSString *hidBaseName = [baseName stringByAppendingFormat:@"%@.", OEHIDEventValueKey];

NSString *keyBaseName = [baseName stringByAppendingFormat:@"%@.", OEKeyboardEventValueKey];

for(NSString *name in controlNames)

{

block([hidBaseName stringByAppendingString:name], name, OEHIDEventValueKey);

block([keyBaseName stringByAppendingString:name], name, OEKeyboardEventValueKey);

}

}

- (void)OE_observeSettings

{

NSUserDefaultsController *udc = [NSUserDefaultsController sharedUserDefaultsController];

[self OE_enumerateSettingKeysUsingBlock:

^(NSString *keyPath, NSString *keyName, NSString *keyType)

{

[udc addObserver:self forKeyPath:keyPath options:0xF context:NULL];

}];

}

- (void)OE_stopObservingSettings

{

NSUserDefaultsController *udc = [NSUserDefaultsController sharedUserDefaultsController];

[self OE_enumerateSettingKeysUsingBlock:

^(NSString *keyPath, NSString *keyName, NSString *keyType)

{

[udc removeObserver:self forKeyPath:keyPath];

}];

}

- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context

{

NSArray *parts = [keyPath componentsSeparatedByString:@"."];

NSUInteger count = [parts count];

// This method only handle keypaths with at least 3 parts

if(count < 3) return;

// FYI:

// [parts objectAtIndex:0] == @"values"

// [parts objectAtIndex:1] == pluginName

NSString *valueType = OESettingValueKey;

if(count >= 4)

{

NSString *name = [parts objectAtIndex:2];

if([OEHIDEventValueKey isEqualToString:name])

valueType = OEHIDEventValueKey;

else if([OEKeyboardEventValueKey isEqualToString:name])

valueType = OEKeyboardEventValueKey;

}

NSUInteger elemCount = (OESettingValueKey == valueType ? 2 : 3);

NSString *keyName = [[parts subarrayWithRange:NSMakeRange(elemCount, count - elemCount)] componentsJoinedByString:@"."];

// The change dictionary doesn't contain the New value as it should, so we get the value directly from the source.

id event = [[NSUserDefaultsController sharedUserDefaultsController] eventValueForKeyPath:keyPath];

BOOL removeKeyBinding = (event == nil);

if(valueType == OESettingValueKey)

[self settingWasSet:event forKey:keyName];

else if(removeKeyBinding)

{

if(valueType == OEHIDEventValueKey) [self HIDEventWasRemovedForKey:keyName];

else [self keyboardEventWasRemovedForKey:keyName];

}

else

{

if(valueType == OEHIDEventValueKey)

[self HIDEventWasSet:event forKey:keyName];

else if(valueType == OEKeyboardEventValueKey)

[self keyboardEventWasSet:event forKey:keyName];

}

}

- (void)setEventValue:(NSInteger)appKey forEmulatorKey:(OEEmulatorKey)emulKey

{

for(id<OESettingObserver> observer in settingObservers)

[observer setEventValue:appKey forEmulatorKey:emulKey];

}

- (void)unsetEventForKey:(bycopy NSString *)keyName withValueMask:(NSUInteger)keyMask

{

for(id<OESettingObserver> observer in settingObservers)

[observer unsetEventForKey:keyName withValueMask:keyMask];

}

- (void)settingWasSet:(bycopy id)aValue forKey:(bycopy NSString *)keyName

{

for(id<OESettingObserver> observer in settingObservers)

[observer settingWasSet:aValue forKey:keyName];

}

- (void)keyboardEventWasSet:(bycopy id)theEvent forKey:(bycopy NSString *)keyName

{

for(id<OESettingObserver> observer in settingObservers)

[observer keyboardEventWasSet:theEvent forKey:keyName];

}

- (void)keyboardEventWasRemovedForKey:(bycopy NSString *)keyName

{

for(id<OESettingObserver> observer in settingObservers)

[observer keyboardEventWasRemovedForKey:keyName];

}

- (void)HIDEventWasSet:(bycopy id)theEvent forKey:(bycopy NSString *)keyName

{

for(id<OESettingObserver> observer in settingObservers)

[observer HIDEventWasSet:theEvent forKey:keyName];

}

- (void)HIDEventWasRemovedForKey:(bycopy NSString *)keyName

{

for(id<OESettingObserver> observer in settingObservers)

[observer HIDEventWasRemovedForKey:keyName];

}

- (void)addSettingObserver:(id<OESettingObserver>)anObject

{

NSUserDefaultsController *udc = [NSUserDefaultsController sharedUserDefaultsController];

[self OE_enumerateSettingKeysUsingBlock:

^(NSString *keyPath, NSString *keyName, NSString *keyType)

{

id event = [udc eventValueForKeyPath:keyPath];

if(event != nil)

{

if(keyType == OESettingValueKey) [anObject settingWasSet: event forKey:keyName];

else if(keyType == OEHIDEventValueKey) [anObject HIDEventWasSet: event forKey:keyName];

else if(keyType == OEKeyboardEventValueKey) [anObject keyboardEventWasSet:event forKey:keyName];

}

}];

[settingObservers addObject:anObject];

}

- (void)removeSettingObserver:(id<OESettingObserver>)anObject

{

[settingObservers removeObject:anObject];

}

- (NSString *)keyPathForKey:(NSString *)keyName withValueType:(NSString *)aType

{

NSString *type = (OESettingValueKey == aType ? @"" : [NSString stringWithFormat:@".%@", aType]);

return [NSString stringWithFormat:@"values.%@%@.%@", [self pluginName], type, keyName];

}

- (id)registarableValueWithObject:(id)anObject

{

// Recovers the event to save

id value = nil;

if(anObject == nil) /* Do nothing: removes a key binding for the key. */;

else if([anObject isKindOfClass:[NSEvent class]])

value = [NSNumber numberWithUnsignedShort:[anObject keyCode]];

else if([anObject isKindOfClass:[NSString class]] ||

[anObject isKindOfClass:[NSData class]] ||

[anObject isKindOfClass:[NSNumber class]] ||

[anObject isKindOfClass:[NSArray class]] ||

[anObject isKindOfClass:[NSDictionary class]])

// Objects directly savable in NSUserDefaults

value = anObject;

else if([anObject conformsToProtocol:@protocol(NSCoding)])

// Objects that can be encoded and decoded

value = [NSKeyedArchiver archivedDataWithRootObject:anObject];

else

NSLog(@"%s: Can't save %@ to the user defaults.", __FUNCTION__, anObject);

return value;

}

- (void)registerValue:(id)aValue forKey:(NSString *)keyName withValueType:(NSString *)aType

{

NSUserDefaultsController *udc = [NSUserDefaultsController sharedUserDefaultsController];

NSString *keyPath = [self keyPathForKey:keyName withValueType:aType];

[udc setValue:aValue forKeyPath:keyPath];

}

- (void)registerSetting:(id)settingValue forKey:(NSString *)keyName

{

[self registerValue:[self registarableValueWithObject:settingValue] forKey:keyName withValueType:OESettingValueKey];

}

- (void)registerEvent:(id)theEvent forKey:(NSString *)keyName

{

id value = [self registarableValueWithObject:theEvent];

NSString *valueType = ([theEvent isKindOfClass:[OEHIDEvent class]] ? OEHIDEventValueKey : OEKeyboardEventValueKey);

[self removeBindingsToEvent:value withValueType:valueType];

[self registerValue:[self registarableValueWithObject:value] forKey:keyName withValueType:valueType];

}

- (void)removeBindingsToEvent:(id)theEvent withValueType:(NSString *)aType

{

NSUserDefaultsController *udc = [NSUserDefaultsController sharedUserDefaultsController];

for(NSString *name in controlNames)

{

NSString *keyPath = [self keyPathForKey:name withValueType:aType];

if([[udc valueForKeyPath:keyPath] isEqual:theEvent])

{

[self registerValue:nil forKey:name withValueType:aType];

[currentPreferenceViewController resetKeyBindings];

}

}

}

static NSCharacterSet *numberSet = nil;

static NSUInteger OE_playerNumberInKeyWithGenericKey(NSString *atString, NSString *playerKey)

{

if(numberSet == nil) numberSet = [[NSCharacterSet decimalDigitCharacterSet] retain];

NSRange start = [atString rangeOfString:@"@"];

if(start.location == NSNotFound)

return ([atString isEqualToString:playerKey] ? 0 : NSNotFound);

NSRange end = [atString rangeOfString:@"@" options:NSBackwardsSearch];

NSRange atRange = start;

atRange.length = end.location - atRange.location + end.length;

start.location = 0;

start.length = atRange.location;

end.location = atRange.location + atRange.length;

end.length = [atString length] - end.location;

if(![atString isEqualToString:playerKey excludingRange:atRange]) return NSNotFound;

NSUInteger ret = [[playerKey substringWithRange:atRange] integerValue];

return (ret != 0 ? ret : NSNotFound);

}

- (NSUInteger)playerNumberInKey:(NSString *)aPlayerKey getKeyIndex:(NSUInteger *)index

{

if(index != NULL) *index = NSNotFound;

NSUInteger i = 0;

for(NSString *genericKey in [self genericControlNames])

{

NSUInteger temp = OE_playerNumberInKeyWithGenericKey(genericKey, aPlayerKey);

if(temp != NSNotFound)

{

if(index != NULL) *index = i;

return temp;

}

i++;

}

return NSNotFound;

}

- (id)settingForKey:(NSString *)keyName

{

return [[NSUserDefaultsController sharedUserDefaultsController] eventValueForKeyPath:[self keyPathForKey:keyName withValueType:OESettingValueKey]];

}

- (void)forceKeyBindingRecover

{

NSUserDefaultsController *udc = [NSUserDefaultsController sharedUserDefaultsController];

for(NSString *controlName in controlNames)

{

NSString *hidpath = [self keyPathForKey:controlName withValueType:OEHIDEventValueKey];

NSString *keypath = [self keyPathForKey:controlName withValueType:OEKeyboardEventValueKey];

[udc willChangeValueForKey:hidpath];

[udc willChangeValueForKey:keypath];

[udc didChangeValueForKey:keypath];

[udc didChangeValueForKey:hidpath];

}

}

- (id)HIDEventForKey:(NSString *)keyName

{

return [[NSUserDefaultsController sharedUserDefaultsController] eventValueForKeyPath:[self keyPathForKey:keyName withValueType:OEHIDEventValueKey]];

}

- (id)keyboardEventForKey:(NSString *)keyName

{

return [[NSUserDefaultsController sharedUserDefaultsController] eventValueForKeyPath:[self keyPathForKey:keyName withValueType:OEKeyboardEventValueKey]];

}

- (id)valueForKeyPath:(NSString *)keyPath

{

return [[NSUserDefaultsController sharedUserDefaultsController] eventValueForKeyPath:keyPath];

}

@end

@implementation NSUserDefaultsController (OEEventAdditions)

- (id)eventValueForKeyPath:(NSString *)keyPath

{

id ret = [self valueForKeyPath:keyPath];

if([ret isKindOfClass:[NSData class]])

{

@try

{

ret = [NSKeyedUnarchiver unarchiveObjectWithData:ret];

}

@catch (NSException * e)

{

/* Do nothing, we keep the NSData we retrieved. */

}

}

return ret;

}

@end

@implementation NSViewController (OEGameCoreControllerAddition)

+ (NSString *)preferenceNibName

{

return nil;

}

@end

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