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An iOS game where you catch items in a cart |

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author | Starla Insigna <starla4444@gmail.com> | 2011-08-23 12:55:57 -0400
committer | Starla Insigna <starla4444@gmail.com> | 2011-08-23 12:55:57 -0400
commit | b4c612674d28bf7b385bd9fe41b108df8d97b474 (patch)
tree | be0326b097430746a00742f502fb461af97645b7 /libs/TouchJSON/JSON/CJSONScanner.h
parent | 6b7e5a28aa9c52c5b689860a7c51de04ee5489c1 (diff)

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Added pause checks to GameMode

Now GameMode actually checks if it's already paused before pausing.

Fixes #210

Diffstat (limited to 'libs/TouchJSON/JSON/CJSONScanner.h')

0 files changed, 0 insertions, 0 deletions

generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-08 11:00:36 +0000

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/*
* cocos2d for iPhone: http://www.cocos2d-iphone.org
*
* Copyright (c) 2008-2010 Ricardo Quesada
* Copyright (c) 2011 Zynga Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/

// cocos2d imports
#import "CCScheduler.h"
#import "ccMacros.h"
#import "Support/uthash.h"
#import "Support/utlist.h"
#import "Support/ccCArray.h"

//
// Data structures
//
#pragma mark -
#pragma mark Data Structures

// A list double-linked list used for "updates with priority"
typedef struct _listEntry
{
struct _listEntry *prev, *next;
TICK_IMP impMethod;
id target; // not retained (retained by hashUpdateEntry)
NSInteger priority;
BOOL paused;
BOOL markedForDeletion; // selector will no longer be called and entry will be removed at end of the next tick
} tListEntry;

typedef struct _hashUpdateEntry
{
tListEntry **list; // Which list does it belong to ?
tListEntry *entry; // entry in the list
id target; // hash key (retained)
UT_hash_handle hh;
} tHashUpdateEntry;

// Hash Element used for "selectors with interval"
typedef struct _hashSelectorEntry
{
struct ccArray *timers;
id target; // hash key (retained)
unsigned int timerIndex;
CCTimer *currentTimer;
BOOL currentTimerSalvaged;
BOOL paused;
UT_hash_handle hh;
} tHashSelectorEntry;

//
// CCTimer
//
#pragma mark -
#pragma mark - CCTimer

@implementation CCTimer

@synthesize interval;

-(id) init
{
NSAssert(NO, @"CCTimer: Init not supported.");
[self release];
return nil;
}

+(id) timerWithTarget:(id)t selector:(SEL)s
{
return [[[self alloc] initWithTarget:t selector:s] autorelease];
}

+(id) timerWithTarget:(id)t selector:(SEL)s interval:(ccTime) i
{
return [[[self alloc] initWithTarget:t selector:s interval:i] autorelease];
}

-(id) initWithTarget:(id)t selector:(SEL)s
{
return [self initWithTarget:t selector:s interval:0];
}

-(id) initWithTarget:(id)t selector:(SEL)s interval:(ccTime) seconds
{
if( (self=[super init]) ) {
#if COCOS2D_DEBUG
NSMethodSignature *sig = [t methodSignatureForSelector:s];
NSAssert(sig !=0 , @"Signature not found for selector - does it have the following form? -(void) name: (ccTime) dt");
#endif

// target is not retained. It is retained in the hash structure
target = t;
selector = s;
impMethod = (TICK_IMP) [t methodForSelector:s];
elapsed = -1;
interval = seconds;
}
return self;
}

- (NSString*) description
{
return [NSString stringWithFormat:@"<%@ = %08X | target:%@ selector:(%@)>", [self class], self, [target class], NSStringFromSelector(selector)];
}

-(void) dealloc
{
CCLOGINFO(@"cocos2d: deallocing %@", self);
[super dealloc];
}

-(void) update: (ccTime) dt
{
if( elapsed == - 1)
elapsed = 0;
else
elapsed += dt;
if( elapsed >= interval ) {
impMethod(target, selector, elapsed);
elapsed = 0;
}
}
@end

//
// CCScheduler
//
#pragma mark -
#pragma mark - CCScheduler

@interface CCScheduler (Private)
-(void) removeHashElement:(tHashSelectorEntry*)element;
@end

@implementation CCScheduler

static CCScheduler *sharedScheduler;

@synthesize timeScale = timeScale_;

+ (CCScheduler *)sharedScheduler
{
if (!sharedScheduler)
sharedScheduler = [[CCScheduler alloc] init];

return sharedScheduler;
}

+(id)alloc
{
NSAssert(sharedScheduler == nil, @"Attempted to allocate a second instance of a singleton.");
return [super alloc];
}

+(void)purgeSharedScheduler
{
[sharedScheduler release];
sharedScheduler = nil;
}

- (id) init
{
if( (self=[super init]) ) {
timeScale_ = 1.0f;

// used to trigger CCTimer#update
updateSelector = @selector(update:);
impMethod = (TICK_IMP) [CCTimer instanceMethodForSelector:updateSelector];

// updates with priority
updates0 = NULL;
updatesNeg = NULL;
updatesPos = NULL;
hashForUpdates = NULL;

// selectors with interval
currentTarget = nil;
currentTargetSalvaged = NO;
hashForSelectors = nil;
updateHashLocked = NO;
}

return self;
}

- (void) dealloc
{
CCLOG(@"cocos2d: deallocing %@", self);

[self unscheduleAllSelectors];

sharedScheduler = nil;

[super dealloc];
}

#pragma mark CCScheduler - Custom Selectors

-(void) removeHashElement:(tHashSelectorEntry*)element
{
ccArrayFree(element->timers);
[element->target release];
HASH_DEL(hashForSelectors, element);
free(element);
}

-(void) scheduleSelector:(SEL)selector forTarget:(id)target interval:(ccTime)interval paused:(BOOL)paused
{
NSAssert( selector != nil, @"Argument selector must be non-nil");
NSAssert( target != nil, @"Argument target must be non-nil");

tHashSelectorEntry *element = NULL;
HASH_FIND_INT(hashForSelectors, &target, element);

if( ! element ) {
element = calloc( sizeof( *element ), 1 );
element->target = [target retain];
HASH_ADD_INT( hashForSelectors, target, element );

// Is this the 1st element ? Then set the pause level to all the selectors of this target
element->paused = paused;

} else
NSAssert( element->paused == paused, @"CCScheduler. Trying to schedule a selector with a pause value different than the target");

if( element->timers == nil )
element->timers = ccArrayNew(10);
else
{
for( unsigned int i=0; i< element->timers->num; i++ ) {
CCTimer *timer = element->timers->arr[i];
if( selector == timer->selector ) {
CCLOG(@"CCScheduler#scheduleSelector. Selector already scheduled. Updating interval from: %.2f to %.2f", timer->interval, interval);
timer->interval = interval;
return;
}
}
ccArrayEnsureExtraCapacity(element->timers, 1);
}

CCTimer *timer = [[CCTimer alloc] initWithTarget:target selector:selector interval:interval];
ccArrayAppendObject(element->timers, timer);
[timer release];
}

-(void) unscheduleSelector:(SEL)selector forTarget:(id)target
{
// explicity handle nil arguments when removing an object
if( target==nil && selector==NULL)
return;

NSAssert( target != nil, @"Target MUST not be nil");
NSAssert( selector != NULL, @"Selector MUST not be NULL");

tHashSelectorEntry *element = NULL;
HASH_FIND_INT(hashForSelectors, &target, element);

if( element ) {

for( unsigned int i=0; i< element->timers->num; i++ ) {
CCTimer *timer = element->timers->arr[i];

if( selector == timer->selector ) {

if( timer == element->currentTimer && !element->currentTimerSalvaged ) {
[element->currentTimer retain];
element->currentTimerSalvaged = YES;
}

ccArrayRemoveObjectAtIndex(element->timers, i );

// update timerIndex in case we are in tick:, looping over the actions
if( element->timerIndex >= i )
element->timerIndex--;

if( element->timers->num == 0 ) {
if( currentTarget == element )
currentTargetSalvaged = YES;
else
[self removeHashElement: element];
}
return;
}
}
}

// Not Found
// NSLog(@"CCScheduler#unscheduleSelector:forTarget: selector not found: %@", selString);

}

#pragma mark CCScheduler - Update Specific

-(void) priorityIn:(tListEntry**)list target:(id)target priority:(NSInteger)priority paused:(BOOL)paused
{
tListEntry *listElement = malloc( sizeof(*listElement) );

listElement->target = target;
listElement->priority = priority;
listElement->paused = paused;
listElement->impMethod = (TICK_IMP) [target methodForSelector:updateSelector];
listElement->next = listElement->prev = NULL;
listElement->markedForDeletion = NO;

// empty list ?
if( ! *list ) {
DL_APPEND( *list, listElement );

} else {
BOOL added = NO;

for( tListEntry *elem = *list; elem ; elem = elem->next ) {
if( priority < elem->priority ) {

if( elem == *list )
DL_PREPEND(*list, listElement);
else {
listElement->next = elem;
listElement->prev = elem->prev;

elem->prev->next = listElement;
elem->prev = listElement;
}

added = YES;
break;
}
}

// Not added? priority has the higher value. Append it.
if( !added )
DL_APPEND(*list, listElement);
}

// update hash entry for quicker access
tHashUpdateEntry *hashElement = calloc( sizeof(*hashElement), 1 );
hashElement->target = [target retain];
hashElement->list = list;
hashElement->entry = listElement;
HASH_ADD_INT(hashForUpdates, target, hashElement );
}

-(void) appendIn:(tListEntry**)list target:(id)target paused:(BOOL)paused
{
tListEntry *listElement = malloc( sizeof( * listElement ) );

listElement->target = target;
listElement->paused = paused;
listElement->markedForDeletion = NO;
listElement->impMethod = (TICK_IMP) [target methodForSelector:updateSelector];

DL_APPEND(*list, listElement);

// update hash entry for quicker access
tHashUpdateEntry *hashElement = calloc( sizeof(*hashElement), 1 );
hashElement->target = [target retain];
hashElement->list = list;
hashElement->entry = listElement;
HASH_ADD_INT(hashForUpdates, target, hashElement );
}

-(void) scheduleUpdateForTarget:(id)target priority:(NSInteger)priority paused:(BOOL)paused
{
tHashUpdateEntry * hashElement = NULL;
HASH_FIND_INT(hashForUpdates, &target, hashElement);
if(hashElement)
{
#if COCOS2D_DEBUG >= 1
NSAssert( hashElement->entry->markedForDeletion, @"CCScheduler: You can't re-schedule an 'update' selector'. Unschedule it first");
#endif
// TODO : check if priority has changed!

hashElement->entry->markedForDeletion = NO;
return;
}

// most of the updates are going to be 0, that's way there
// is an special list for updates with priority 0
if( priority == 0 )
[self appendIn:&updates0 target:target paused:paused];

else if( priority < 0 )
[self priorityIn:&updatesNeg target:target priority:priority paused:paused];

else // priority > 0
[self priorityIn:&updatesPos target:target priority:priority paused:paused];
}

- (void) removeUpdateFromHash:(tListEntry*)entry
{
tHashUpdateEntry * element = NULL;

HASH_FIND_INT(hashForUpdates, &entry->target, element);
if( element ) {
// list entry
DL_DELETE( *element->list, element->entry );
free( element->entry );

// hash entry
[element->target release];
HASH_DEL( hashForUpdates, element);
free(element);
}
}

-(void) unscheduleUpdateForTarget:(id)target
{
if( target == nil )
return;

tHashUpdateEntry * element = NULL;
HASH_FIND_INT(hashForUpdates, &target, element);
if( element ) {
if(updateHashLocked)
element->entry->markedForDeletion = YES;
else
[self removeUpdateFromHash:element->entry];

// // list entry
// DL_DELETE( *element->list, element->entry );
// free( element->entry );
//
// // hash entry
// [element->target release];
// HASH_DEL( hashForUpdates, element);
// free(element);
}
}

#pragma mark CCScheduler - Common for Update selector & Custom Selectors

-(void) unscheduleAllSelectors
{
// Custom Selectors
for(tHashSelectorEntry *element=hashForSelectors; element != NULL; ) {
id target = element->target;
element=element->hh.next;
[self unscheduleAllSelectorsForTarget:target];
}

// Updates selectors
tListEntry *entry, *tmp;
DL_FOREACH_SAFE( updates0, entry, tmp ) {
[self unscheduleUpdateForTarget:entry->target];
}
DL_FOREACH_SAFE( updatesNeg, entry, tmp ) {
[self unscheduleUpdateForTarget:entry->target];
}
DL_FOREACH_SAFE( updatesPos, entry, tmp ) {
[self unscheduleUpdateForTarget:entry->target];
}

}

-(void) unscheduleAllSelectorsForTarget:(id)target
{
// explicit nil handling
if( target == nil )
return;

// Custom Selectors
tHashSelectorEntry *element = NULL;
HASH_FIND_INT(hashForSelectors, &target, element);

if( element ) {
if( ccArrayContainsObject(element->timers, element->currentTimer) && !element->currentTimerSalvaged ) {
[element->currentTimer retain];
element->currentTimerSalvaged = YES;
}
ccArrayRemoveAllObjects(element->timers);
if( currentTarget == element )
currentTargetSalvaged = YES;
else
[self removeHashElement:element];
}

// Update Selector
[self unscheduleUpdateForTarget:target];
}

-(void) resumeTarget:(id)target
{
NSAssert( target != nil, @"target must be non nil" );

// Custom Selectors
tHashSelectorEntry *element = NULL;
HASH_FIND_INT(hashForSelectors, &target, element);
if( element )
element->paused = NO;

// Update selector
tHashUpdateEntry * elementUpdate = NULL;
HASH_FIND_INT(hashForUpdates, &target, elementUpdate);
if( elementUpdate ) {
NSAssert( elementUpdate->entry != NULL, @"resumeTarget: unknown error");
elementUpdate->entry->paused = NO;
}
}

-(void) pauseTarget:(id)target
{
NSAssert( target != nil, @"target must be non nil" );

// Custom selectors
tHashSelectorEntry *element = NULL;
HASH_FIND_INT(hashForSelectors, &target, element);
if( element )
element->paused = YES;

// Update selector
tHashUpdateEntry * elementUpdate = NULL;
HASH_FIND_INT(hashForUpdates, &target, elementUpdate);
if( elementUpdate ) {
NSAssert( elementUpdate->entry != NULL, @"pauseTarget: unknown error");
elementUpdate->entry->paused = YES;
}

}

-(BOOL) isTargetPaused:(id)target
{
NSAssert( target != nil, @"target must be non nil" );

// Custom selectors
tHashSelectorEntry *element = NULL;
HASH_FIND_INT(hashForSelectors, &target, element);
if( element )
{
return element->paused;
}
return NO; // should never get here

}

#pragma mark CCScheduler - Main Loop

-(void) tick: (ccTime) dt
{
updateHashLocked = YES;

if( timeScale_ != 1.0f )
dt *= timeScale_;

// Iterate all over the Updates selectors
tListEntry *entry, *tmp;

// updates with priority < 0
DL_FOREACH_SAFE( updatesNeg, entry, tmp ) {
if( ! entry->paused && !entry->markedForDeletion )
entry->impMethod( entry->target, updateSelector, dt );
}

// updates with priority == 0
DL_FOREACH_SAFE( updates0, entry, tmp ) {
if( ! entry->paused && !entry->markedForDeletion )
{
entry->impMethod( entry->target, updateSelector, dt );
}
}

// updates with priority > 0
DL_FOREACH_SAFE( updatesPos, entry, tmp ) {
if( ! entry->paused && !entry->markedForDeletion )
entry->impMethod( entry->target, updateSelector, dt );
}

// Iterate all over the custome selectors
for(tHashSelectorEntry *elt=hashForSelectors; elt != NULL; ) {

currentTarget = elt;
currentTargetSalvaged = NO;

if( ! currentTarget->paused ) {

// The 'timers' ccArray may change while inside this loop.
for( elt->timerIndex = 0; elt->timerIndex < elt->timers->num; elt->timerIndex++) {
elt->currentTimer = elt->timers->arr[elt->timerIndex];
elt->currentTimerSalvaged = NO;

impMethod( elt->currentTimer, updateSelector, dt);

if( elt->currentTimerSalvaged ) {
// The currentTimer told the remove itself. To prevent the timer from
// accidentally deallocating itself before finishing its step, we retained
// it. Now that step is done, it's safe to release it.
[elt->currentTimer release];
}

elt->currentTimer = nil;
}
}

// elt, at this moment, is still valid
// so it is safe to ask this here (issue #490)
elt = elt->hh.next;

// only delete currentTarget if no actions were scheduled during the cycle (issue #481)
if( currentTargetSalvaged && currentTarget->timers->num == 0 )
[self removeHashElement:currentTarget];
}

// delete all updates that are morked for deletion
// updates with priority < 0
DL_FOREACH_SAFE( updatesNeg, entry, tmp ) {
if(entry->markedForDeletion )
{
[self removeUpdateFromHash:entry];
}
}

// updates with priority == 0
DL_FOREACH_SAFE( updates0, entry, tmp ) {
if(entry->markedForDeletion )
{
[self removeUpdateFromHash:entry];
}
}

// updates with priority > 0
DL_FOREACH_SAFE( updatesPos, entry, tmp ) {
if(entry->markedForDeletion )
{
[self removeUpdateFromHash:entry];
}
}

updateHashLocked = NO;
currentTarget = nil;
}
@end

generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-11-08 11:00:36 +0000