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{240c4f07-7af4-492b-98c5-0b43851e8b4f}.xml

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An iOS game where you catch items in a cart |

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path: root/libs/cocos2d/CCSprite.m

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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 <Availability.h>

#import "ccConfig.h"
#import "CCSpriteBatchNode.h"
#import "CCSprite.h"
#import "CCSpriteFrame.h"
#import "CCSpriteFrameCache.h"
#import "CCAnimation.h"
#import "CCAnimationCache.h"
#import "CCTextureCache.h"
#import "Support/CGPointExtension.h"
#import "CCDrawingPrimitives.h"

#pragma mark -
#pragma mark CCSprite

#if CC_SPRITEBATCHNODE_RENDER_SUBPIXEL
#define RENDER_IN_SUBPIXEL
#else
#define RENDER_IN_SUBPIXEL(__A__) ( (int)(__A__))
#endif

// XXX: Optmization
struct transformValues_ {
CGPoint pos; // position x and y
CGPoint scale; // scale x and y
float rotation;
CGPoint skew; // skew x and y
CGPoint ap; // anchor point in pixels
BOOL visible;
};

@interface CCSprite (Private)
-(void)updateTextureCoords:(CGRect)rect;
-(void)updateBlendFunc;
-(void) initAnimationDictionary;
-(void) getTransformValues:(struct transformValues_*)tv; // optimization
@end

@implementation CCSprite

@synthesize dirty = dirty_;
@synthesize quad = quad_;
@synthesize atlasIndex = atlasIndex_;
@synthesize textureRect = rect_;
@synthesize textureRectRotated = rectRotated_;
@synthesize blendFunc = blendFunc_;
@synthesize usesBatchNode = usesBatchNode_;
@synthesize textureAtlas = textureAtlas_;
@synthesize batchNode = batchNode_;
@synthesize honorParentTransform = honorParentTransform_;
@synthesize offsetPositionInPixels = offsetPositionInPixels_;

+(id)spriteWithTexture:(CCTexture2D*)texture
{
return [[[self alloc] initWithTexture:texture] autorelease];
}

+(id)spriteWithTexture:(CCTexture2D*)texture rect:(CGRect)rect
{
return [[[self alloc] initWithTexture:texture rect:rect] autorelease];
}

+(id)spriteWithFile:(NSString*)filename
{
return [[[self alloc] initWithFile:filename] autorelease];
}

+(id)spriteWithFile:(NSString*)filename rect:(CGRect)rect
{
return [[[self alloc] initWithFile:filename rect:rect] autorelease];
}

+(id)spriteWithSpriteFrame:(CCSpriteFrame*)spriteFrame
{
return [[[self alloc] initWithSpriteFrame:spriteFrame] autorelease];
}

+(id)spriteWithSpriteFrameName:(NSString*)spriteFrameName
{
CCSpriteFrame *frame = [[CCSpriteFrameCache sharedSpriteFrameCache] spriteFrameByName:spriteFrameName];

NSAssert1(frame!=nil, @"Invalid spriteFrameName: %@", spriteFrameName);
return [self spriteWithSpriteFrame:frame];
}

+(id)spriteWithCGImage:(CGImageRef)image key:(NSString*)key
{
return [[[self alloc] initWithCGImage:image key:key] autorelease];
}

+(id) spriteWithBatchNode:(CCSpriteBatchNode*)batchNode rect:(CGRect)rect
{
return [[[self alloc] initWithBatchNode:batchNode rect:rect] autorelease];
}

-(id) init
{
if( (self=[super init]) ) {
dirty_ = recursiveDirty_ = NO;

// by default use "Self Render".
// if the sprite is added to a batchnode, then it will automatically switch to "batchnode Render"
[self useSelfRender];

opacityModifyRGB_ = YES;
opacity_ = 255;
color_ = colorUnmodified_ = ccWHITE;

blendFunc_.src = CC_BLEND_SRC;
blendFunc_.dst = CC_BLEND_DST;

// update texture (calls updateBlendFunc)
[self setTexture:nil];

// clean the Quad
bzero(&quad_, sizeof(quad_));

flipY_ = flipX_ = NO;

// lazy alloc
animations_ = nil;

// default transform anchor: center
anchorPoint_ = ccp(0.5f, 0.5f);

// zwoptex default values
offsetPositionInPixels_ = CGPointZero;

honorParentTransform_ = CC_HONOR_PARENT_TRANSFORM_ALL;
hasChildren_ = NO;

// Atlas: Color
ccColor4B tmpColor = {255,255,255,255};
quad_.bl.colors = tmpColor;
quad_.br.colors = tmpColor;
quad_.tl.colors = tmpColor;
quad_.tr.colors = tmpColor;

// Atlas: Vertex

// updated in "useSelfRender"

// Atlas: TexCoords
[self setTextureRectInPixels:CGRectZero rotated:NO untrimmedSize:CGSizeZero];

// updateMethod selector
updateMethod = (__typeof__(updateMethod))[self methodForSelector:@selector(updateTransform)];
}

return self;
}

-(id) initWithTexture:(CCTexture2D*)texture rect:(CGRect)rect
{
NSAssert(texture!=nil, @"Invalid texture for sprite");
// IMPORTANT: [self init] and not [super init];
if( (self = [self init]) )
{
[self setTexture:texture];
[self setTextureRect:rect];
}
return self;
}

-(id) initWithTexture:(CCTexture2D*)texture
{
NSAssert(texture!=nil, @"Invalid texture for sprite");

CGRect rect = CGRectZero;
rect.size = texture.contentSize;
return [self initWithTexture:texture rect:rect];
}

-(id) initWithFile:(NSString*)filename
{
NSAssert(filename!=nil, @"Invalid filename for sprite");

CCTexture2D *texture = [[CCTextureCache sharedTextureCache] addImage: filename];
if( texture ) {
CGRect rect = CGRectZero;
rect.size = texture.contentSize;
return [self initWithTexture:texture rect:rect];
}

[self release];
return nil;
}

-(id) initWithFile:(NSString*)filename rect:(CGRect)rect
{
NSAssert(filename!=nil, @"Invalid filename for sprite");

CCTexture2D *texture = [[CCTextureCache sharedTextureCache] addImage: filename];
if( texture )
return [self initWithTexture:texture rect:rect];

[self release];
return nil;
}

- (id) initWithSpriteFrame:(CCSpriteFrame*)spriteFrame
{
NSAssert(spriteFrame!=nil, @"Invalid spriteFrame for sprite");

id ret = [self initWithTexture:spriteFrame.texture rect:spriteFrame.rect];
[self setDisplayFrame:spriteFrame];
return ret;
}

-(id)initWithSpriteFrameName:(NSString*)spriteFrameName
{
NSAssert(spriteFrameName!=nil, @"Invalid spriteFrameName for sprite");

CCSpriteFrame *frame = [[CCSpriteFrameCache sharedSpriteFrameCache] spriteFrameByName:spriteFrameName];
return [self initWithSpriteFrame:frame];
}

// XXX: deprecated
- (id) initWithCGImage: (CGImageRef)image
{
NSAssert(image!=nil, @"Invalid CGImageRef for sprite");

// XXX: possible bug. See issue #349. New API should be added
NSString *key = [NSString stringWithFormat:@"%08X",(unsigned long)image];
CCTexture2D *texture = [[CCTextureCache sharedTextureCache] addCGImage:image forKey:key];

CGRect rect = CGRectZero;
rect.size = texture.contentSize;

return [self initWithTexture:texture rect:rect];
}

- (id) initWithCGImage:(CGImageRef)image key:(NSString*)key
{
NSAssert(image!=nil, @"Invalid CGImageRef for sprite");

// XXX: possible bug. See issue #349. New API should be added
CCTexture2D *texture = [[CCTextureCache sharedTextureCache] addCGImage:image forKey:key];

CGRect rect = CGRectZero;
rect.size = texture.contentSize;

return [self initWithTexture:texture rect:rect];
}

-(id) initWithBatchNode:(CCSpriteBatchNode*)batchNode rect:(CGRect)rect
{
id ret = [self initWithTexture:batchNode.texture rect:rect];
[self useBatchNode:batchNode];

return ret;
}

-(id) initWithBatchNode:(CCSpriteBatchNode*)batchNode rectInPixels:(CGRect)rect
{
id ret = [self initWithTexture:batchNode.texture];
[self setTextureRectInPixels:rect rotated:NO untrimmedSize:rect.size];
[self useBatchNode:batchNode];

return ret;
}

- (NSString*) description
{
return [NSString stringWithFormat:@"<%@ = %08X | Rect = (%.2f,%.2f,%.2f,%.2f) | tag = %i | atlasIndex = %i>", [self class], self,
rect_.origin.x, rect_.origin.y, rect_.size.width, rect_.size.height,
tag_,
atlasIndex_
];
}

- (void) dealloc
{
[texture_ release];
[animations_ release];
[super dealloc];
}

-(void) useSelfRender
{
atlasIndex_ = CCSpriteIndexNotInitialized;
usesBatchNode_ = NO;
textureAtlas_ = nil;
batchNode_ = nil;
dirty_ = recursiveDirty_ = NO;

float x1 = 0 + offsetPositionInPixels_.x;
float y1 = 0 + offsetPositionInPixels_.y;
float x2 = x1 + rectInPixels_.size.width;
float y2 = y1 + rectInPixels_.size.height;
quad_.bl.vertices = (ccVertex3F) { x1, y1, 0 };
quad_.br.vertices = (ccVertex3F) { x2, y1, 0 };
quad_.tl.vertices = (ccVertex3F) { x1, y2, 0 };
quad_.tr.vertices = (ccVertex3F) { x2, y2, 0 };
}

-(void) useBatchNode:(CCSpriteBatchNode*)batchNode
{
usesBatchNode_ = YES;
textureAtlas_ = [batchNode textureAtlas]; // weak ref
batchNode_ = batchNode; // weak ref
}

-(void) initAnimationDictionary
{
animations_ = [[NSMutableDictionary alloc] initWithCapacity:2];
}

-(void)setTextureRect:(CGRect)rect
{
CGRect rectInPixels = CC_RECT_POINTS_TO_PIXELS( rect );
[self setTextureRectInPixels:rectInPixels rotated:NO untrimmedSize:rectInPixels.size];
}

-(void)setTextureRectInPixels:(CGRect)rect rotated:(BOOL)rotated untrimmedSize:(CGSize)untrimmedSize
{
rectInPixels_ = rect;
rect_ = CC_RECT_PIXELS_TO_POINTS( rect );
rectRotated_ = rotated;

[self setContentSizeInPixels:untrimmedSize];
[self updateTextureCoords:rectInPixels_];

CGPoint relativeOffsetInPixels = unflippedOffsetPositionFromCenter_;

// issue #732
if( flipX_ )
relativeOffsetInPixels.x = -relativeOffsetInPixels.x;
if( flipY_ )
relativeOffsetInPixels.y = -relativeOffsetInPixels.y;

offsetPositionInPixels_.x = relativeOffsetInPixels.x + (contentSizeInPixels_.width - rectInPixels_.size.width) / 2;
offsetPositionInPixels_.y = relativeOffsetInPixels.y + (contentSizeInPixels_.height - rectInPixels_.size.height) / 2;

// rendering using batch node
if( usesBatchNode_ ) {
// update dirty_, don't update recursiveDirty_
dirty_ = YES;
}

// self rendering
else
{
// Atlas: Vertex
float x1 = 0 + offsetPositionInPixels_.x;
float y1 = 0 + offsetPositionInPixels_.y;
float x2 = x1 + rectInPixels_.size.width;
float y2 = y1 + rectInPixels_.size.height;

// Don't update Z.
quad_.bl.vertices = (ccVertex3F) { x1, y1, 0 };
quad_.br.vertices = (ccVertex3F) { x2, y1, 0 };
quad_.tl.vertices = (ccVertex3F) { x1, y2, 0 };
quad_.tr.vertices = (ccVertex3F) { x2, y2, 0 };
}
}

-(void)updateTextureCoords:(CGRect)rect
{
CCTexture2D *tex = (usesBatchNode_)?[textureAtlas_ texture]:texture_;
if(!tex)
return;

float atlasWidth = (float)tex.pixelsWide;
float atlasHeight = (float)tex.pixelsHigh;

float left,right,top,bottom;

if(rectRotated_){
#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
left = (2*rect.origin.x+1)/(2*atlasWidth);
right = left+(rect.size.height*2-2)/(2*atlasWidth);
top = (2*rect.origin.y+1)/(2*atlasHeight);
bottom = top+(rect.size.width*2-2)/(2*atlasHeight);
#else
left = rect.origin.x/atlasWidth;
right = left+(rect.size.height/atlasWidth);
top = rect.origin.y/atlasHeight;
bottom = top+(rect.size.width/atlasHeight);
#endif // ! CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL

if( flipX_)
CC_SWAP(top,bottom);
if( flipY_)
CC_SWAP(left,right);

quad_.bl.texCoords.u = left;
quad_.bl.texCoords.v = top;
quad_.br.texCoords.u = left;
quad_.br.texCoords.v = bottom;
quad_.tl.texCoords.u = right;
quad_.tl.texCoords.v = top;
quad_.tr.texCoords.u = right;
quad_.tr.texCoords.v = bottom;
} else {
#if CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL
left = (2*rect.origin.x+1)/(2*atlasWidth);
right = left + (rect.size.width*2-2)/(2*atlasWidth);
top = (2*rect.origin.y+1)/(2*atlasHeight);
bottom = top + (rect.size.height*2-2)/(2*atlasHeight);
#else
left = rect.origin.x/atlasWidth;
right = left + rect.size.width/atlasWidth;
top = rect.origin.y/atlasHeight;
bottom = top + rect.size.height/atlasHeight;
#endif // ! CC_FIX_ARTIFACTS_BY_STRECHING_TEXEL

if( flipX_)
CC_SWAP(left,right);
if( flipY_)
CC_SWAP(top,bottom);

quad_.bl.texCoords.u = left;
quad_.bl.texCoords.v = bottom;
quad_.br.texCoords.u = right;
quad_.br.texCoords.v = bottom;
quad_.tl.texCoords.u = left;
quad_.tl.texCoords.v = top;
quad_.tr.texCoords.u = right;
quad_.tr.texCoords.v = top;
}
}

-(void)updateTransform
{
NSAssert( usesBatchNode_, @"updateTransform is only valid when CCSprite is being renderd using an CCSpriteBatchNode");

// optimization. Quick return if not dirty
if( ! dirty_ )
return;

CGAffineTransform matrix;

// Optimization: if it is not visible, then do nothing
if( ! visible_ ) {
quad_.br.vertices = quad_.tl.vertices = quad_.tr.vertices = quad_.bl.vertices = (ccVertex3F){0,0,0};
[textureAtlas_ updateQuad:&quad_ atIndex:atlasIndex_];
dirty_ = recursiveDirty_ = NO;
return ;
}

// Optimization: If parent is batchnode, or parent is nil
// build Affine transform manually
if( ! parent_ || parent_ == batchNode_ ) {

float radians = -CC_DEGREES_TO_RADIANS(rotation_);
float c = cosf(radians);
float s = sinf(radians);

matrix = CGAffineTransformMake( c * scaleX_, s * scaleX_,
-s * scaleY_, c * scaleY_,
positionInPixels_.x, positionInPixels_.y);
if( skewX_ || skewY_ ) {
CGAffineTransform skewMatrix = CGAffineTransformMake(1.0f, tanf(CC_DEGREES_TO_RADIANS(skewY_)),
tanf(CC_DEGREES_TO_RADIANS(skewX_)), 1.0f,
0.0f, 0.0f);
matrix = CGAffineTransformConcat(skewMatrix, matrix);
}
matrix = CGAffineTransformTranslate(matrix, -anchorPointInPixels_.x, -anchorPointInPixels_.y);

} else { // parent_ != batchNode_

// else do affine transformation according to the HonorParentTransform

matrix = CGAffineTransformIdentity;
ccHonorParentTransform prevHonor = CC_HONOR_PARENT_TRANSFORM_ALL;

for (CCNode *p = self ; p && p != batchNode_ ; p = p.parent) {

// Might happen. Issue #1053
NSAssert( [p isKindOfClass:[CCSprite class]], @"CCSprite should be a CCSprite subclass. Probably you initialized an sprite with a batchnode, but you didn't add it to the batch node." );

struct transformValues_ tv;
[(CCSprite*)p getTransformValues: &tv];

// If any of the parents are not visible, then don't draw this node
if( ! tv.visible ) {
quad_.br.vertices = quad_.tl.vertices = quad_.tr.vertices = quad_.bl.vertices = (ccVertex3F){0,0,0};
[textureAtlas_ updateQuad:&quad_ atIndex:atlasIndex_];
dirty_ = recursiveDirty_ = NO;
return;
}
CGAffineTransform newMatrix = CGAffineTransformIdentity;

// 2nd: Translate, Skew, Rotate, Scale
if( prevHonor & CC_HONOR_PARENT_TRANSFORM_TRANSLATE )
newMatrix = CGAffineTransformTranslate(newMatrix, tv.pos.x, tv.pos.y);
if( prevHonor & CC_HONOR_PARENT_TRANSFORM_ROTATE )
newMatrix = CGAffineTransformRotate(newMatrix, -CC_DEGREES_TO_RADIANS(tv.rotation));
if ( prevHonor & CC_HONOR_PARENT_TRANSFORM_SKEW ) {
CGAffineTransform skew = CGAffineTransformMake(1.0f, tanf(CC_DEGREES_TO_RADIANS(tv.skew.y)), tanf(CC_DEGREES_TO_RADIANS(tv.skew.x)), 1.0f, 0.0f, 0.0f);
// apply the skew to the transform
newMatrix = CGAffineTransformConcat(skew, newMatrix);
}
if( prevHonor & CC_HONOR_PARENT_TRANSFORM_SCALE ) {
newMatrix = CGAffineTransformScale(newMatrix, tv.scale.x, tv.scale.y);
}

// 3rd: Translate anchor point
newMatrix = CGAffineTransformTranslate(newMatrix, -tv.ap.x, -tv.ap.y);

// 4th: Matrix multiplication
matrix = CGAffineTransformConcat( matrix, newMatrix);

prevHonor = [(CCSprite*)p honorParentTransform];
}
}

//
// calculate the Quad based on the Affine Matrix
//

CGSize size = rectInPixels_.size;

float x1 = offsetPositionInPixels_.x;
float y1 = offsetPositionInPixels_.y;

float x2 = x1 + size.width;
float y2 = y1 + size.height;
float x = matrix.tx;
float y = matrix.ty;

float cr = matrix.a;
float sr = matrix.b;
float cr2 = matrix.d;
float sr2 = -matrix.c;
float ax = x1 * cr - y1 * sr2 + x;
float ay = x1 * sr + y1 * cr2 + y;

float bx = x2 * cr - y1 * sr2 + x;
float by = x2 * sr + y1 * cr2 + y;

float cx = x2 * cr - y2 * sr2 + x;
float cy = x2 * sr + y2 * cr2 + y;

float dx = x1 * cr - y2 * sr2 + x;
float dy = x1 * sr + y2 * cr2 + y;

quad_.bl.vertices = (ccVertex3F) { RENDER_IN_SUBPIXEL(ax), RENDER_IN_SUBPIXEL(ay), vertexZ_ };
quad_.br.vertices = (ccVertex3F) { RENDER_IN_SUBPIXEL(bx), RENDER_IN_SUBPIXEL(by), vertexZ_ };
quad_.tl.vertices = (ccVertex3F) { RENDER_IN_SUBPIXEL(dx), RENDER_IN_SUBPIXEL(dy), vertexZ_ };
quad_.tr.vertices = (ccVertex3F) { RENDER_IN_SUBPIXEL(cx), RENDER_IN_SUBPIXEL(cy), vertexZ_ };

[textureAtlas_ updateQuad:&quad_ atIndex:atlasIndex_];
dirty_ = recursiveDirty_ = NO;
}

// XXX: Optimization: instead of calling 5 times the parent sprite to obtain: position, scale.x, scale.y, anchorpoint and rotation,
// this fuction return the 5 values in 1 single call
-(void) getTransformValues:(struct transformValues_*) tv
{
tv->pos = positionInPixels_;
tv->scale.x = scaleX_;
tv->scale.y = scaleY_;
tv->rotation = rotation_;
tv->skew.x = skewX_;
tv->skew.y = skewY_;
tv->ap = anchorPointInPixels_;
tv->visible = visible_;
}

#pragma mark CCSprite - draw

-(void) draw
{
[super draw];

NSAssert(!usesBatchNode_, @"If CCSprite is being rendered by CCSpriteBatchNode, CCSprite#draw SHOULD NOT be called");

// Default GL states: GL_TEXTURE_2D, GL_VERTEX_ARRAY, GL_COLOR_ARRAY, GL_TEXTURE_COORD_ARRAY
// Needed states: GL_TEXTURE_2D, GL_VERTEX_ARRAY, GL_COLOR_ARRAY, GL_TEXTURE_COORD_ARRAY
// Unneeded states: -

BOOL newBlend = blendFunc_.src != CC_BLEND_SRC || blendFunc_.dst != CC_BLEND_DST;
if( newBlend )
glBlendFunc( blendFunc_.src, blendFunc_.dst );

#define kQuadSize sizeof(quad_.bl)
glBindTexture(GL_TEXTURE_2D, [texture_ name]);

long offset = (long)&quad_;

// vertex
NSInteger diff = offsetof( ccV3F_C4B_T2F, vertices);
glVertexPointer(3, GL_FLOAT, kQuadSize, (void*) (offset + diff) );

// color
diff = offsetof( ccV3F_C4B_T2F, colors);
glColorPointer(4, GL_UNSIGNED_BYTE, kQuadSize, (void*)(offset + diff));

// tex coords
diff = offsetof( ccV3F_C4B_T2F, texCoords);
glTexCoordPointer(2, GL_FLOAT, kQuadSize, (void*)(offset + diff));

glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);

if( newBlend )
glBlendFunc(CC_BLEND_SRC, CC_BLEND_DST);

#if CC_SPRITE_DEBUG_DRAW == 1
// draw bounding box
CGSize s = self.contentSize;
CGPoint vertices[4] = {
ccp(0,0), ccp(s.width,0),
ccp(s.width,s.height), ccp(0,s.height)
};
ccDrawPoly(vertices, 4, YES);
#elif CC_SPRITE_DEBUG_DRAW == 2
// draw texture box
CGSize s = self.textureRect.size;
CGPoint offsetPix = self.offsetPositionInPixels;
CGPoint vertices[4] = {
ccp(offsetPix.x,offsetPix.y), ccp(offsetPix.x+s.width,offsetPix.y),
ccp(offsetPix.x+s.width,offsetPix.y+s.height), ccp(offsetPix.x,offsetPix.y+s.height)
};
ccDrawPoly(vertices, 4, YES);
#endif // CC_SPRITE_DEBUG_DRAW

}

#pragma mark CCSprite - CCNode overrides

-(void) addChild:(CCSprite*)child z:(NSInteger)z tag:(NSInteger) aTag
{
NSAssert( child != nil, @"Argument must be non-nil");

[super addChild:child z:z tag:aTag];

if( usesBatchNode_ ) {
NSAssert( [child isKindOfClass:[CCSprite class]], @"CCSprite only supports CCSprites as children when using CCSpriteBatchNode");
NSAssert( child.texture.name == textureAtlas_.texture.name, @"CCSprite is not using the same texture id");

NSUInteger index = [batchNode_ atlasIndexForChild:child atZ:z];
[batchNode_ insertChild:child inAtlasAtIndex:index];
}

hasChildren_ = YES;
}

-(void) reorderChild:(CCSprite*)child z:(NSInteger)z
{
NSAssert( child != nil, @"Child must be non-nil");
NSAssert( [children_ containsObject:child], @"Child doesn't belong to Sprite" );

if( z == child.zOrder )
return;

if( usesBatchNode_ ) {
// XXX: Instead of removing/adding, it is more efficient to reorder manually
[child retain];
[self removeChild:child cleanup:NO];
[self addChild:child z:z];
[child release];
}

else
[super reorderChild:child z:z];
}

-(void)removeChild: (CCSprite *)sprite cleanup:(BOOL)doCleanup
{
if( usesBatchNode_ )
[batchNode_ removeSpriteFromAtlas:sprite];

[super removeChild:sprite cleanup:doCleanup];

hasChildren_ = ( [children_ count] > 0 );
}

-(void)removeAllChildrenWithCleanup:(BOOL)doCleanup
{
if( usesBatchNode_ ) {
CCSprite *child;
CCARRAY_FOREACH(children_, child)
[batchNode_ removeSpriteFromAtlas:child];
}

[super removeAllChildrenWithCleanup:doCleanup];

hasChildren_ = NO;
}

//
// CCNode property overloads
// used only when parent is CCSpriteBatchNode
//
#pragma mark CCSprite - property overloads

-(void) setDirtyRecursively:(BOOL)b
{
dirty_ = recursiveDirty_ = b;
// recursively set dirty
if( hasChildren_ ) {
CCSprite *child;
CCARRAY_FOREACH(children_, child)
[child setDirtyRecursively:YES];
}
}

// XXX HACK: optimization
#define SET_DIRTY_RECURSIVELY() { \
if( usesBatchNode_ && ! recursiveDirty_ ) { \
dirty_ = recursiveDirty_ = YES; \
if( hasChildren_) \
[self setDirtyRecursively:YES]; \
} \
}

-(void)setPosition:(CGPoint)pos
{
[super setPosition:pos];
SET_DIRTY_RECURSIVELY();
}

-(void)setPositionInPixels:(CGPoint)pos
{
[super setPositionInPixels:pos];
SET_DIRTY_RECURSIVELY();
}

-(void)setRotation:(float)rot
{
[super setRotation:rot];
SET_DIRTY_RECURSIVELY();
}

-(void)setSkewX:(float)sx
{
[super setSkewX:sx];
SET_DIRTY_RECURSIVELY();
}

-(void)setSkewY:(float)sy
{
[super setSkewY:sy];
SET_DIRTY_RECURSIVELY();
}

-(void)setScaleX:(float) sx
{
[super setScaleX:sx];
SET_DIRTY_RECURSIVELY();
}

-(void)setScaleY:(float) sy
{
[super setScaleY:sy];
SET_DIRTY_RECURSIVELY();
}

-(void)setScale:(float) s
{
[super setScale:s];
SET_DIRTY_RECURSIVELY();
}

-(void) setVertexZ:(float)z
{
[super setVertexZ:z];
SET_DIRTY_RECURSIVELY();
}

-(void)setAnchorPoint:(CGPoint)anchor
{
[super setAnchorPoint:anchor];
SET_DIRTY_RECURSIVELY();
}

-(void)setIsRelativeAnchorPoint:(BOOL)relative
{
NSAssert( ! usesBatchNode_, @"relativeTransformAnchor is invalid in CCSprite");
[super setIsRelativeAnchorPoint:relative];
}

-(void)setVisible:(BOOL)v
{
[super setVisible:v];
SET_DIRTY_RECURSIVELY();
}

-(void)setFlipX:(BOOL)b
{
if( flipX_ != b ) {
flipX_ = b;
[self setTextureRectInPixels:rectInPixels_ rotated:rectRotated_ untrimmedSize:contentSizeInPixels_];
}
}
-(BOOL) flipX
{
return flipX_;
}

-(void) setFlipY:(BOOL)b
{
if( flipY_ != b ) {
flipY_ = b;
[self setTextureRectInPixels:rectInPixels_ rotated:rectRotated_ untrimmedSize:contentSizeInPixels_];
}
}
-(BOOL) flipY
{
return flipY_;
}

//
// RGBA protocol
//
#pragma mark CCSprite - RGBA protocol
-(void) updateColor
{
ccColor4B color4 = {color_.r, color_.g, color_.b, opacity_ };

quad_.bl.colors = color4;
quad_.br.colors = color4;
quad_.tl.colors = color4;
quad_.tr.colors = color4;

// renders using Sprite Manager
if( usesBatchNode_ ) {
if( atlasIndex_ != CCSpriteIndexNotInitialized)
[textureAtlas_ updateQuad:&quad_ atIndex:atlasIndex_];
else
// no need to set it recursively
// update dirty_, don't update recursiveDirty_
dirty_ = YES;
}
// self render
// do nothing
}

-(GLubyte) opacity
{
return opacity_;
}

-(void) setOpacity:(GLubyte) anOpacity
{
opacity_ = anOpacity;

// special opacity for premultiplied textures
if( opacityModifyRGB_ )
[self setColor: colorUnmodified_];

[self updateColor];
}

- (ccColor3B) color
{
if(opacityModifyRGB_)
return colorUnmodified_;

return color_;
}

-(void) setColor:(ccColor3B)color3
{
color_ = colorUnmodified_ = color3;

if( opacityModifyRGB_ ){
color_.r = color3.r * opacity_/255;
color_.g = color3.g * opacity_/255;
color_.b = color3.b * opacity_/255;
}

[self updateColor];
}

-(void) setOpacityModifyRGB:(BOOL)modify
{
ccColor3B oldColor = self.color;
opacityModifyRGB_ = modify;
self.color = oldColor;
}

-(BOOL) doesOpacityModifyRGB
{
return opacityModifyRGB_;
}

//
// Frames
//
#pragma mark CCSprite - Frames

-(void) setDisplayFrame:(CCSpriteFrame*)frame
{
unflippedOffsetPositionFromCenter_ = frame.offsetInPixels;

CCTexture2D *newTexture = [frame texture];
// update texture before updating texture rect
if ( newTexture.name != texture_.name )
[self setTexture: newTexture];

// update rect
rectRotated_ = frame.rotated;
[self setTextureRectInPixels:frame.rectInPixels rotated:frame.rotated untrimmedSize:frame.originalSizeInPixels];
}

// XXX deprecated
-(void) setDisplayFrame: (NSString*) animationName index:(int) frameIndex
{
if( ! animations_ )
[self initAnimationDictionary];

CCAnimation *a = [animations_ objectForKey: animationName];
CCSpriteFrame *frame = [[a frames] objectAtIndex:frameIndex];

NSAssert( frame, @"CCSprite#setDisplayFrame. Invalid frame");

[self setDisplayFrame:frame];
}

-(void) setDisplayFrameWithAnimationName: (NSString*) animationName index:(int) frameIndex
{
NSAssert( animationName, @"CCSprite#setDisplayFrameWithAnimationName. animationName must not be nil");

CCAnimation *a = [[CCAnimationCache sharedAnimationCache] animationByName:animationName];

NSAssert( a, @"CCSprite#setDisplayFrameWithAnimationName: Frame not found");

CCSpriteFrame *frame = [[a frames] objectAtIndex:frameIndex];

NSAssert( frame, @"CCSprite#setDisplayFrame. Invalid frame");

[self setDisplayFrame:frame];
}

-(BOOL) isFrameDisplayed:(CCSpriteFrame*)frame
{
CGRect r = [frame rect];
return ( CGRectEqualToRect(r, rect_) &&
frame.texture.name == self.texture.name );
}

-(CCSpriteFrame*) displayedFrame
{
return [CCSpriteFrame frameWithTexture:texture_
rectInPixels:rectInPixels_
rotated:rectRotated_
offset:unflippedOffsetPositionFromCenter_
originalSize:contentSizeInPixels_];
}

-(void) addAnimation: (CCAnimation*) anim
{
// lazy alloc
if( ! animations_ )
[self initAnimationDictionary];

[animations_ setObject:anim forKey:[anim name]];
}

-(CCAnimation*)animationByName: (NSString*) animationName
{
NSAssert( animationName != nil, @"animationName parameter must be non nil");
return [animations_ objectForKey:animationName];
}

#pragma mark CCSprite - CocosNodeTexture protocol

-(void) updateBlendFunc
{
NSAssert( ! usesBatchNode_, @"CCSprite: updateBlendFunc doesn't work when the sprite is rendered using a CCSpriteBatchNode");

// it's possible to have an untextured sprite
if( !texture_ || ! [texture_ hasPremultipliedAlpha] ) {
blendFunc_.src = GL_SRC_ALPHA;
blendFunc_.dst = GL_ONE_MINUS_SRC_ALPHA;
[self setOpacityModifyRGB:NO];
} else {
blendFunc_.src = CC_BLEND_SRC;
blendFunc_.dst = CC_BLEND_DST;
[self setOpacityModifyRGB:YES];
}
}

-(void) setTexture:(CCTexture2D*)texture
{
NSAssert( ! usesBatchNode_, @"CCSprite: setTexture doesn't work when the sprite is rendered using a CCSpriteBatchNode");

// accept texture==nil as argument
NSAssert( !texture || [texture isKindOfClass:[CCTexture2D class]], @"setTexture expects a CCTexture2D. Invalid argument");

[texture_ release];
texture_ = [texture retain];

[self updateBlendFunc];
}

-(CCTexture2D*) texture
{
return texture_;
}

@end

generated by cgit-pink 1.4.1 (git 2.36.1) at 2025-04-07 05:19:51 +0000