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An iOS game where you catch items in a cart |

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path: root/libs/cocos2d/CCSpriteFrame.m

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/*
* cocos2d for iPhone: http://www.cocos2d-iphone.org
*
* Copyright (c) 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>

#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
#import <UIKit/UIKit.h> // Needed for UIDevice
#endif

#import "Platforms/CCGL.h"
#import "CCBlockSupport.h"
#import "CCConfiguration.h"
#import "ccMacros.h"
#import "ccConfig.h"
#import "Support/OpenGL_Internal.h"

@implementation CCConfiguration

@synthesize maxTextureSize = maxTextureSize_;
@synthesize supportsPVRTC = supportsPVRTC_;
@synthesize maxModelviewStackDepth = maxModelviewStackDepth_;
@synthesize supportsNPOT = supportsNPOT_;
@synthesize supportsBGRA8888 = supportsBGRA8888_;
@synthesize supportsDiscardFramebuffer = supportsDiscardFramebuffer_;
@synthesize OSVersion = OSVersion_;

//
// singleton stuff
//
static CCConfiguration *_sharedConfiguration = nil;

static char * glExtensions;

+ (CCConfiguration *)sharedConfiguration
{
if (!_sharedConfiguration)
_sharedConfiguration = [[self alloc] init];

return _sharedConfiguration;
}

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

#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
- (NSString*)getMacVersion
{
SInt32 versionMajor, versionMinor, versionBugFix;
Gestalt(gestaltSystemVersionMajor, &versionMajor);
Gestalt(gestaltSystemVersionMinor, &versionMinor);
Gestalt(gestaltSystemVersionBugFix, &versionBugFix);

return [NSString stringWithFormat:@"%d.%d.%d", versionMajor, versionMinor, versionBugFix];
}
#endif // __MAC_OS_X_VERSION_MAX_ALLOWED

-(id) init
{
if( (self=[super init])) {

// Obtain iOS version
OSVersion_ = 0;
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
NSString *OSVer = [[UIDevice currentDevice] systemVersion];
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
NSString *OSVer = [self getMacVersion];
#endif
NSArray *arr = [OSVer componentsSeparatedByString:@"."];
int idx=0x01000000;
for( NSString *str in arr ) {
int value = [str intValue];
OSVersion_ += value * idx;
idx = idx >> 8;
}
CCLOG(@"cocos2d: OS version: %@ (0x%08x)", OSVer, OSVersion_);

CCLOG(@"cocos2d: GL_VENDOR: %s", glGetString(GL_VENDOR) );
CCLOG(@"cocos2d: GL_RENDERER: %s", glGetString ( GL_RENDERER ) );
CCLOG(@"cocos2d: GL_VERSION: %s", glGetString ( GL_VERSION ) );

glExtensions = (char*) glGetString(GL_EXTENSIONS);

glGetIntegerv(GL_MAX_TEXTURE_SIZE, &maxTextureSize_);
glGetIntegerv(GL_MAX_MODELVIEW_STACK_DEPTH, &maxModelviewStackDepth_);
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
if( OSVersion_ >= kCCiOSVersion_4_0 )
glGetIntegerv(GL_MAX_SAMPLES_APPLE, &maxSamplesAllowed_);
else
maxSamplesAllowed_ = 0;
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
glGetIntegerv(GL_MAX_SAMPLES, &maxSamplesAllowed_);
#endif

supportsPVRTC_ = [self checkForGLExtension:@"GL_IMG_texture_compression_pvrtc"];
#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
supportsNPOT_ = [self checkForGLExtension:@"GL_APPLE_texture_2D_limited_npot"];
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
supportsNPOT_ = [self checkForGLExtension:@"GL_ARB_texture_non_power_of_two"];
#endif
// It seems that somewhere between firmware iOS 3.0 and 4.2 Apple renamed
// GL_IMG_... to GL_APPLE.... So we should check both names

#ifdef __IPHONE_OS_VERSION_MAX_ALLOWED
BOOL bgra8a = [self checkForGLExtension:@"GL_IMG_texture_format_BGRA8888"];
BOOL bgra8b = [self checkForGLExtension:@"GL_APPLE_texture_format_BGRA8888"];
supportsBGRA8888_ = bgra8a | bgra8b;
#elif defined(__MAC_OS_X_VERSION_MAX_ALLOWED)
supportsBGRA8888_ = [self checkForGLExtension:@"GL_EXT_bgra"];
#endif

supportsDiscardFramebuffer_ = [self checkForGLExtension:@"GL_EXT_discard_framebuffer"];

CCLOG(@"cocos2d: GL_MAX_TEXTURE_SIZE: %d", maxTextureSize_);
CCLOG(@"cocos2d: GL_MAX_MODELVIEW_STACK_DEPTH: %d",maxModelviewStackDepth_);
CCLOG(@"cocos2d: GL_MAX_SAMPLES: %d", maxSamplesAllowed_);
CCLOG(@"cocos2d: GL supports PVRTC: %s", (supportsPVRTC_ ? "YES" : "NO") );
CCLOG(@"cocos2d: GL supports BGRA8888 textures: %s", (supportsBGRA8888_ ? "YES" : "NO") );
CCLOG(@"cocos2d: GL supports NPOT textures: %s", (supportsNPOT_ ? "YES" : "NO") );
CCLOG(@"cocos2d: GL supports discard_framebuffer: %s", (supportsDiscardFramebuffer_ ? "YES" : "NO") );
CCLOG(@"cocos2d: compiled with NPOT support: %s",
#if CC_TEXTURE_NPOT_SUPPORT
"YES"
#else
"NO"
#endif
);
CCLOG(@"cocos2d: compiled with VBO support in TextureAtlas : %s",
#if CC_USES_VBO
"YES"
#else
"NO"
#endif
);

CCLOG(@"cocos2d: compiled with Affine Matrix transformation in CCNode : %s",
#if CC_NODE_TRANSFORM_USING_AFFINE_MATRIX
"YES"
#else
"NO"
#endif
);

CCLOG(@"cocos2d: compiled with Profiling Support: %s",
#if CC_ENABLE_PROFILERS

"YES - *** Disable it when you finish profiling ***"
#else
"NO"
#endif
);

CHECK_GL_ERROR();
}

return self;
}

- (BOOL) checkForGLExtension:(NSString *)searchName
{
// For best results, extensionsNames should be stored in your renderer so that it does not
// need to be recreated on each invocation.
NSString *extensionsString = [NSString stringWithCString:glExtensions encoding: NSASCIIStringEncoding];
NSArray *extensionsNames = [extensionsString componentsSeparatedByString:@" "];
return [extensionsNames containsObject: searchName];
}
@end

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