From 9cd57b731ab1c666d4a1cb725538fdc137763d12 Mon Sep 17 00:00:00 2001 From: Starla Insigna Date: Sat, 30 Jul 2011 11:19:14 -0400 Subject: Initial commit (version 0.2.1) --- libs/cocos2d/CCActionManager.m | 345 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 345 insertions(+) create mode 100755 libs/cocos2d/CCActionManager.m (limited to 'libs/cocos2d/CCActionManager.m') diff --git a/libs/cocos2d/CCActionManager.m b/libs/cocos2d/CCActionManager.m new file mode 100755 index 0000000..8bdfbb7 --- /dev/null +++ b/libs/cocos2d/CCActionManager.m @@ -0,0 +1,345 @@ +/* + * cocos2d for iPhone: http://www.cocos2d-iphone.org + * + * Copyright (c) 2009 Valentin Milea + * + * 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. + * + */ + + +#import "CCActionManager.h" +#import "CCScheduler.h" +#import "ccMacros.h" + + +// +// singleton stuff +// +static CCActionManager *sharedManager_ = nil; + +@interface CCActionManager (Private) +-(void) removeActionAtIndex:(NSUInteger)index hashElement:(tHashElement*)element; +-(void) deleteHashElement:(tHashElement*)element; +-(void) actionAllocWithHashElement:(tHashElement*)element; +@end + + +@implementation CCActionManager + +#pragma mark ActionManager - init ++ (CCActionManager *)sharedManager +{ + if (!sharedManager_) + sharedManager_ = [[self alloc] init]; + + return sharedManager_; +} + ++(id)alloc +{ + NSAssert(sharedManager_ == nil, @"Attempted to allocate a second instance of a singleton."); + return [super alloc]; +} + ++(void)purgeSharedManager +{ + [[CCScheduler sharedScheduler] unscheduleUpdateForTarget:self]; + [sharedManager_ release]; + sharedManager_ = nil; +} + +-(id) init +{ + if ((self=[super init]) ) { + [[CCScheduler sharedScheduler] scheduleUpdateForTarget:self priority:0 paused:NO]; + targets = NULL; + } + + return self; +} + +- (void) dealloc +{ + CCLOGINFO( @"cocos2d: deallocing %@", self); + + [self removeAllActions]; + + sharedManager_ = nil; + + [super dealloc]; +} + +#pragma mark ActionManager - Private + +-(void) deleteHashElement:(tHashElement*)element +{ + ccArrayFree(element->actions); + HASH_DEL(targets, element); +// CCLOG(@"cocos2d: ---- buckets: %d/%d - %@", targets->entries, targets->size, element->target); + [element->target release]; + free(element); +} + +-(void) actionAllocWithHashElement:(tHashElement*)element +{ + // 4 actions per Node by default + if( element->actions == nil ) + element->actions = ccArrayNew(4); + else if( element->actions->num == element->actions->max ) + ccArrayDoubleCapacity(element->actions); +} + +-(void) removeActionAtIndex:(NSUInteger)index hashElement:(tHashElement*)element +{ + id action = element->actions->arr[index]; + + if( action == element->currentAction && !element->currentActionSalvaged ) { + [element->currentAction retain]; + element->currentActionSalvaged = YES; + } + + ccArrayRemoveObjectAtIndex(element->actions, index); + + // update actionIndex in case we are in tick:, looping over the actions + if( element->actionIndex >= index ) + element->actionIndex--; + + if( element->actions->num == 0 ) { + if( currentTarget == element ) + currentTargetSalvaged = YES; + else + [self deleteHashElement: element]; + } +} + +#pragma mark ActionManager - Pause / Resume + +-(void) pauseTarget:(id)target +{ + tHashElement *element = NULL; + HASH_FIND_INT(targets, &target, element); + if( element ) + element->paused = YES; +// else +// CCLOG(@"cocos2d: pauseAllActions: Target not found"); +} + +-(void) resumeTarget:(id)target +{ + tHashElement *element = NULL; + HASH_FIND_INT(targets, &target, element); + if( element ) + element->paused = NO; +// else +// CCLOG(@"cocos2d: resumeAllActions: Target not found"); +} + +#pragma mark ActionManager - run + +-(void) addAction:(CCAction*)action target:(id)target paused:(BOOL)paused +{ + NSAssert( action != nil, @"Argument action must be non-nil"); + NSAssert( target != nil, @"Argument target must be non-nil"); + + tHashElement *element = NULL; + HASH_FIND_INT(targets, &target, element); + if( ! element ) { + element = calloc( sizeof( *element ), 1 ); + element->paused = paused; + element->target = [target retain]; + HASH_ADD_INT(targets, target, element); +// CCLOG(@"cocos2d: ---- buckets: %d/%d - %@", targets->entries, targets->size, element->target); + + } + + [self actionAllocWithHashElement:element]; + + NSAssert( !ccArrayContainsObject(element->actions, action), @"runAction: Action already running"); + ccArrayAppendObject(element->actions, action); + + [action startWithTarget:target]; +} + +#pragma mark ActionManager - remove + +-(void) removeAllActions +{ + for(tHashElement *element=targets; element != NULL; ) { + id target = element->target; + element = element->hh.next; + [self removeAllActionsFromTarget:target]; + } +} +-(void) removeAllActionsFromTarget:(id)target +{ + // explicit nil handling + if( target == nil ) + return; + + tHashElement *element = NULL; + HASH_FIND_INT(targets, &target, element); + if( element ) { + if( ccArrayContainsObject(element->actions, element->currentAction) && !element->currentActionSalvaged ) { + [element->currentAction retain]; + element->currentActionSalvaged = YES; + } + ccArrayRemoveAllObjects(element->actions); + if( currentTarget == element ) + currentTargetSalvaged = YES; + else + [self deleteHashElement:element]; + } +// else { +// CCLOG(@"cocos2d: removeAllActionsFromTarget: Target not found"); +// } +} + +-(void) removeAction: (CCAction*) action +{ + // explicit nil handling + if (action == nil) + return; + + tHashElement *element = NULL; + id target = [action originalTarget]; + HASH_FIND_INT(targets, &target, element ); + if( element ) { + NSUInteger i = ccArrayGetIndexOfObject(element->actions, action); + if( i != NSNotFound ) + [self removeActionAtIndex:i hashElement:element]; + } +// else { +// CCLOG(@"cocos2d: removeAction: Target not found"); +// } +} + +-(void) removeActionByTag:(NSInteger)aTag target:(id)target +{ + NSAssert( aTag != kCCActionTagInvalid, @"Invalid tag"); + NSAssert( target != nil, @"Target should be ! nil"); + + tHashElement *element = NULL; + HASH_FIND_INT(targets, &target, element); + + if( element ) { + NSUInteger limit = element->actions->num; + for( NSUInteger i = 0; i < limit; i++) { + CCAction *a = element->actions->arr[i]; + + if( a.tag == aTag && [a originalTarget]==target) { + [self removeActionAtIndex:i hashElement:element]; + break; + } + } + + } +} + +#pragma mark ActionManager - get + +-(CCAction*) getActionByTag:(NSInteger)aTag target:(id)target +{ + NSAssert( aTag != kCCActionTagInvalid, @"Invalid tag"); + + tHashElement *element = NULL; + HASH_FIND_INT(targets, &target, element); + + if( element ) { + if( element->actions != nil ) { + NSUInteger limit = element->actions->num; + for( NSUInteger i = 0; i < limit; i++) { + CCAction *a = element->actions->arr[i]; + + if( a.tag == aTag ) + return a; + } + } +// CCLOG(@"cocos2d: getActionByTag: Action not found"); + } +// else { +// CCLOG(@"cocos2d: getActionByTag: Target not found"); +// } + return nil; +} + +-(NSUInteger) numberOfRunningActionsInTarget:(id) target +{ + tHashElement *element = NULL; + HASH_FIND_INT(targets, &target, element); + if( element ) + return element->actions ? element->actions->num : 0; + +// CCLOG(@"cocos2d: numberOfRunningActionsInTarget: Target not found"); + return 0; +} + +#pragma mark ActionManager - main loop + +-(void) update: (ccTime) dt +{ + for(tHashElement *elt = targets; elt != NULL; ) { + + currentTarget = elt; + currentTargetSalvaged = NO; + + if( ! currentTarget->paused ) { + + // The 'actions' ccArray may change while inside this loop. + for( currentTarget->actionIndex = 0; currentTarget->actionIndex < currentTarget->actions->num; currentTarget->actionIndex++) { + currentTarget->currentAction = currentTarget->actions->arr[currentTarget->actionIndex]; + currentTarget->currentActionSalvaged = NO; + + [currentTarget->currentAction step: dt]; + + if( currentTarget->currentActionSalvaged ) { + // The currentAction told the node to remove it. To prevent the action from + // accidentally deallocating itself before finishing its step, we retained + // it. Now that step is done, it's safe to release it. + [currentTarget->currentAction release]; + + } else if( [currentTarget->currentAction isDone] ) { + [currentTarget->currentAction stop]; + + CCAction *a = currentTarget->currentAction; + // Make currentAction nil to prevent removeAction from salvaging it. + currentTarget->currentAction = nil; + [self removeAction:a]; + } + + currentTarget->currentAction = 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->actions->num == 0 ) + [self deleteHashElement:currentTarget]; + } + + // issue #635 + currentTarget = nil; +} +@end -- cgit 1.4.1