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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.
*
*/
#import <stdarg.h>
#import "Platforms/CCGL.h"
#import "CCLayer.h"
#import "CCDirector.h"
#import "ccMacros.h"
#import "Support/CGPointExtension.h"
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
#import "Platforms/iOS/CCTouchDispatcher.h"
#import "Platforms/iOS/CCDirectorIOS.h"
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
#import "Platforms/Mac/CCEventDispatcher.h"
#endif
#pragma mark -
#pragma mark Layer
@implementation CCLayer
#pragma mark Layer - Init
-(id) init
{
if( (self=[super init]) ) {
CGSize s = [[CCDirector sharedDirector] winSize];
anchorPoint_ = ccp(0.5f, 0.5f);
[self setContentSize:s];
self.isRelativeAnchorPoint = NO;
isTouchEnabled_ = NO;
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
isAccelerometerEnabled_ = NO;
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
isMouseEnabled_ = NO;
isKeyboardEnabled_ = NO;
#endif
}
return self;
}
#pragma mark Layer - Touch and Accelerometer related
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
-(void) registerWithTouchDispatcher
{
[[CCTouchDispatcher sharedDispatcher] addStandardDelegate:self priority:0];
}
-(BOOL) isAccelerometerEnabled
{
return isAccelerometerEnabled_;
}
-(void) setIsAccelerometerEnabled:(BOOL)enabled
{
if( enabled != isAccelerometerEnabled_ ) {
isAccelerometerEnabled_ = enabled;
if( isRunning_ ) {
if( enabled )
[[UIAccelerometer sharedAccelerometer] setDelegate:self];
else
[[UIAccelerometer sharedAccelerometer] setDelegate:nil];
}
}
}
-(BOOL) isTouchEnabled
{
return isTouchEnabled_;
}
-(void) setIsTouchEnabled:(BOOL)enabled
{
if( isTouchEnabled_ != enabled ) {
isTouchEnabled_ = enabled;
if( isRunning_ ) {
if( enabled )
[self registerWithTouchDispatcher];
else
[[CCTouchDispatcher sharedDispatcher] removeDelegate:self];
}
}
}
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
#pragma mark CCLayer - Mouse, Keyboard & Touch events
-(NSInteger) mouseDelegatePriority
{
return 0;
}
-(BOOL) isMouseEnabled
{
return isMouseEnabled_;
}
-(void) setIsMouseEnabled:(BOOL)enabled
{
if( isMouseEnabled_ != enabled ) {
isMouseEnabled_ = enabled;
if( isRunning_ ) {
if( enabled )
[[CCEventDispatcher sharedDispatcher] addMouseDelegate:self priority:[self mouseDelegatePriority]];
else
[[CCEventDispatcher sharedDispatcher] removeMouseDelegate:self];
}
}
}
-(NSInteger) keyboardDelegatePriority
{
return 0;
}
-(BOOL) isKeyboardEnabled
{
return isKeyboardEnabled_;
}
-(void) setIsKeyboardEnabled:(BOOL)enabled
{
if( isKeyboardEnabled_ != enabled ) {
isKeyboardEnabled_ = enabled;
if( isRunning_ ) {
if( enabled )
[[CCEventDispatcher sharedDispatcher] addKeyboardDelegate:self priority:[self keyboardDelegatePriority] ];
else
[[CCEventDispatcher sharedDispatcher] removeKeyboardDelegate:self];
}
}
}
-(NSInteger) touchDelegatePriority
{
return 0;
}
-(BOOL) isTouchEnabled
{
return isTouchEnabled_;
}
-(void) setIsTouchEnabled:(BOOL)enabled
{
if( isTouchEnabled_ != enabled ) {
isTouchEnabled_ = enabled;
if( isRunning_ ) {
if( enabled )
[[CCEventDispatcher sharedDispatcher] addTouchDelegate:self priority:[self touchDelegatePriority]];
else
[[CCEventDispatcher sharedDispatcher] removeTouchDelegate:self];
}
}
}
#endif // Mac
#pragma mark Layer - Callbacks
-(void) onEnter
{
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
// register 'parent' nodes first
// since events are propagated in reverse order
if (isTouchEnabled_)
[self registerWithTouchDispatcher];
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
if( isMouseEnabled_ )
[[CCEventDispatcher sharedDispatcher] addMouseDelegate:self priority:[self mouseDelegatePriority]];
if( isKeyboardEnabled_)
[[CCEventDispatcher sharedDispatcher] addKeyboardDelegate:self priority:[self keyboardDelegatePriority]];
if( isTouchEnabled_)
[[CCEventDispatcher sharedDispatcher] addTouchDelegate:self priority:[self touchDelegatePriority]];
#endif
// then iterate over all the children
[super onEnter];
}
// issue #624.
// Can't register mouse, touches here because of #issue #1018, and #1021
-(void) onEnterTransitionDidFinish
{
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
if( isAccelerometerEnabled_ )
[[UIAccelerometer sharedAccelerometer] setDelegate:self];
#endif
[super onEnterTransitionDidFinish];
}
-(void) onExit
{
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
if( isTouchEnabled_ )
[[CCTouchDispatcher sharedDispatcher] removeDelegate:self];
if( isAccelerometerEnabled_ )
[[UIAccelerometer sharedAccelerometer] setDelegate:nil];
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
if( isMouseEnabled_ )
[[CCEventDispatcher sharedDispatcher] removeMouseDelegate:self];
if( isKeyboardEnabled_ )
[[CCEventDispatcher sharedDispatcher] removeKeyboardDelegate:self];
if( isTouchEnabled_ )
[[CCEventDispatcher sharedDispatcher] removeTouchDelegate:self];
#endif
[super onExit];
}
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
-(BOOL) ccTouchBegan:(UITouch *)touch withEvent:(UIEvent *)event
{
NSAssert(NO, @"Layer#ccTouchBegan override me");
return YES;
}
#endif
@end
#pragma mark -
#pragma mark LayerColor
@interface CCLayerColor (Private)
-(void) updateColor;
@end
@implementation CCLayerColor
// Opacity and RGB color protocol
@synthesize opacity = opacity_, color = color_;
@synthesize blendFunc = blendFunc_;
+ (id) layerWithColor:(ccColor4B)color width:(GLfloat)w height:(GLfloat) h
{
return [[[self alloc] initWithColor:color width:w height:h] autorelease];
}
+ (id) layerWithColor:(ccColor4B)color
{
return [[(CCLayerColor*)[self alloc] initWithColor:color] autorelease];
}
- (id) initWithColor:(ccColor4B)color width:(GLfloat)w height:(GLfloat) h
{
if( (self=[super init]) ) {
// default blend function
blendFunc_ = (ccBlendFunc) { CC_BLEND_SRC, CC_BLEND_DST };
color_.r = color.r;
color_.g = color.g;
color_.b = color.b;
opacity_ = color.a;
for (NSUInteger i = 0; i<sizeof(squareVertices_) / sizeof( squareVertices_[0]); i++ ) {
squareVertices_[i].x = 0.0f;
squareVertices_[i].y = 0.0f;
}
[self updateColor];
[self setContentSize:CGSizeMake(w, h) ];
}
return self;
}
- (id) initWithColor:(ccColor4B)color
{
CGSize s = [[CCDirector sharedDirector] winSize];
return [self initWithColor:color width:s.width height:s.height];
}
// override contentSize
-(void) setContentSize: (CGSize) size
{
squareVertices_[1].x = size.width * CC_CONTENT_SCALE_FACTOR();
squareVertices_[2].y = size.height * CC_CONTENT_SCALE_FACTOR();
squareVertices_[3].x = size.width * CC_CONTENT_SCALE_FACTOR();
squareVertices_[3].y = size.height * CC_CONTENT_SCALE_FACTOR();
[super setContentSize:size];
}
- (void) changeWidth: (GLfloat) w height:(GLfloat) h
{
[self setContentSize:CGSizeMake(w, h)];
}
-(void) changeWidth: (GLfloat) w
{
[self setContentSize:CGSizeMake(w, contentSize_.height)];
}
-(void) changeHeight: (GLfloat) h
{
[self setContentSize:CGSizeMake(contentSize_.width, h)];
}
- (void) updateColor
{
for( NSUInteger i = 0; i < 4; i++ )
{
squareColors_[i].r = color_.r;
squareColors_[i].g = color_.g;
squareColors_[i].b = color_.b;
squareColors_[i].a = opacity_;
}
}
- (void)draw
{
[super draw];
// Default GL states: GL_TEXTURE_2D, GL_VERTEX_ARRAY, GL_COLOR_ARRAY, GL_TEXTURE_COORD_ARRAY
// Needed states: GL_VERTEX_ARRAY, GL_COLOR_ARRAY
// Unneeded states: GL_TEXTURE_2D, GL_TEXTURE_COORD_ARRAY
glDisableClientState(GL_TEXTURE_COORD_ARRAY);
glDisable(GL_TEXTURE_2D);
glVertexPointer(2, GL_FLOAT, 0, squareVertices_);
glColorPointer(4, GL_UNSIGNED_BYTE, 0, squareColors_);
BOOL newBlend = blendFunc_.src != CC_BLEND_SRC || blendFunc_.dst != CC_BLEND_DST;
if( newBlend )
glBlendFunc( blendFunc_.src, blendFunc_.dst );
else if( opacity_ != 255 ) {
newBlend = YES;
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
}
glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
if( newBlend )
glBlendFunc(CC_BLEND_SRC, CC_BLEND_DST);
// restore default GL state
glEnableClientState(GL_TEXTURE_COORD_ARRAY);
glEnable(GL_TEXTURE_2D);
}
#pragma mark Protocols
// Color Protocol
-(void) setColor:(ccColor3B)color
{
color_ = color;
[self updateColor];
}
-(void) setOpacity: (GLubyte) o
{
opacity_ = o;
[self updateColor];
}
@end
// XXX Deprecated
@implementation CCColorLayer
@end
#pragma mark -
#pragma mark LayerGradient
@implementation CCLayerGradient
@synthesize startOpacity = startOpacity_;
@synthesize endColor = endColor_, endOpacity = endOpacity_;
@synthesize vector = vector_;
+ (id) layerWithColor: (ccColor4B) start fadingTo: (ccColor4B) end
{
return [[[self alloc] initWithColor:start fadingTo:end] autorelease];
}
+ (id) layerWithColor: (ccColor4B) start fadingTo: (ccColor4B) end alongVector: (CGPoint) v
{
return [[[self alloc] initWithColor:start fadingTo:end alongVector:v] autorelease];
}
- (id) initWithColor: (ccColor4B) start fadingTo: (ccColor4B) end
{
return [self initWithColor:start fadingTo:end alongVector:ccp(0, -1)];
}
- (id) initWithColor: (ccColor4B) start fadingTo: (ccColor4B) end alongVector: (CGPoint) v
{
endColor_.r = end.r;
endColor_.g = end.g;
endColor_.b = end.b;
endOpacity_ = end.a;
startOpacity_ = start.a;
vector_ = v;
start.a = 255;
compressedInterpolation_ = YES;
return [super initWithColor:start];
}
- (void) updateColor
{
[super updateColor];
float h = ccpLength(vector_);
if (h == 0)
return;
double c = sqrt(2);
CGPoint u = ccp(vector_.x / h, vector_.y / h);
// Compressed Interpolation mode
if( compressedInterpolation_ ) {
float h2 = 1 / ( fabsf(u.x) + fabsf(u.y) );
u = ccpMult(u, h2 * (float)c);
}
float opacityf = (float)opacity_/255.0f;
ccColor4B S = {
color_.r,
color_.g,
color_.b,
startOpacity_*opacityf
};
ccColor4B E = {
endColor_.r,
endColor_.g,
endColor_.b,
endOpacity_*opacityf
};
// (-1, -1)
squareColors_[0].r = E.r + (S.r - E.r) * ((c + u.x + u.y) / (2.0f * c));
squareColors_[0].g = E.g + (S.g - E.g) * ((c + u.x + u.y) / (2.0f * c));
squareColors_[0].b = E.b + (S.b - E.b) * ((c + u.x + u.y) / (2.0f * c));
squareColors_[0].a = E.a + (S.a - E.a) * ((c + u.x + u.y) / (2.0f * c));
// (1, -1)
squareColors_[1].r = E.r + (S.r - E.r) * ((c - u.x + u.y) / (2.0f * c));
squareColors_[1].g = E.g + (S.g - E.g) * ((c - u.x + u.y) / (2.0f * c));
squareColors_[1].b = E.b + (S.b - E.b) * ((c - u.x + u.y) / (2.0f * c));
squareColors_[1].a = E.a + (S.a - E.a) * ((c - u.x + u.y) / (2.0f * c));
// (-1, 1)
squareColors_[2].r = E.r + (S.r - E.r) * ((c + u.x - u.y) / (2.0f * c));
squareColors_[2].g = E.g + (S.g - E.g) * ((c + u.x - u.y) / (2.0f * c));
squareColors_[2].b = E.b + (S.b - E.b) * ((c + u.x - u.y) / (2.0f * c));
squareColors_[2].a = E.a + (S.a - E.a) * ((c + u.x - u.y) / (2.0f * c));
// (1, 1)
squareColors_[3].r = E.r + (S.r - E.r) * ((c - u.x - u.y) / (2.0f * c));
squareColors_[3].g = E.g + (S.g - E.g) * ((c - u.x - u.y) / (2.0f * c));
squareColors_[3].b = E.b + (S.b - E.b) * ((c - u.x - u.y) / (2.0f * c));
squareColors_[3].a = E.a + (S.a - E.a) * ((c - u.x - u.y) / (2.0f * c));
}
-(ccColor3B) startColor
{
return color_;
}
-(void) setStartColor:(ccColor3B)colors
{
[self setColor:colors];
}
-(void) setEndColor:(ccColor3B)colors
{
endColor_ = colors;
[self updateColor];
}
-(void) setStartOpacity: (GLubyte) o
{
startOpacity_ = o;
[self updateColor];
}
-(void) setEndOpacity: (GLubyte) o
{
endOpacity_ = o;
[self updateColor];
}
-(void) setVector: (CGPoint) v
{
vector_ = v;
[self updateColor];
}
-(BOOL) compressedInterpolation
{
return compressedInterpolation_;
}
-(void) setCompressedInterpolation:(BOOL)compress
{
compressedInterpolation_ = compress;
[self updateColor];
}
@end
#pragma mark -
#pragma mark MultiplexLayer
@implementation CCLayerMultiplex
+(id) layerWithLayers: (CCLayer*) layer, ...
{
va_list args;
va_start(args,layer);
id s = [[[self alloc] initWithLayers: layer vaList:args] autorelease];
va_end(args);
return s;
}
-(id) initWithLayers: (CCLayer*) layer vaList:(va_list) params
{
if( (self=[super init]) ) {
layers_ = [[NSMutableArray arrayWithCapacity:5] retain];
[layers_ addObject: layer];
CCLayer *l = va_arg(params,CCLayer*);
while( l ) {
[layers_ addObject: l];
l = va_arg(params,CCLayer*);
}
enabledLayer_ = 0;
[self addChild: [layers_ objectAtIndex: enabledLayer_]];
}
return self;
}
-(void) dealloc
{
[layers_ release];
[super dealloc];
}
-(void) switchTo: (unsigned int) n
{
NSAssert( n < [layers_ count], @"Invalid index in MultiplexLayer switchTo message" );
[self removeChild: [layers_ objectAtIndex:enabledLayer_] cleanup:YES];
enabledLayer_ = n;
[self addChild: [layers_ objectAtIndex:n]];
}
-(void) switchToAndReleaseMe: (unsigned int) n
{
NSAssert( n < [layers_ count], @"Invalid index in MultiplexLayer switchTo message" );
[self removeChild: [layers_ objectAtIndex:enabledLayer_] cleanup:YES];
[layers_ replaceObjectAtIndex:enabledLayer_ withObject:[NSNull null]];
enabledLayer_ = n;
[self addChild: [layers_ objectAtIndex:n]];
}
@end
// XXX Deprecated
@implementation CCMultiplexLayer
@end
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