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axmol/cocos2dx/CCDirector.cpp

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/****************************************************************************
Copyright (c) 2010 cocos2d-x.org
http://www.cocos2d-x.org
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.
****************************************************************************/
#include "CCDirector.h"
#include "CCScene.h"
#include "NSMutableArray.h"
#include "CCScheduler.h"
#include "ccMacros.h"
#include "Cocos2dDefine.h"
#include "touch_dispatcher/CCTouchDispatcher.h"
#include "support/opengl_support/glu.h"
#include "support/CGPointExtension.h"
#include "CCTransition.h"
#include "CCTextureCache.h"
#include "CCTransition.h"
#include "CCSpriteFrameCache.h"
#include "NSAutoreleasePool.h"
#include "platform/platform.h"
#include "CCXApplication.h"
#include "CCBitmapFontAtlas.h"
#include "actions/CCActionManager.h"
#include <string>
using namespace std;
using namespace cocos2d;
namespace cocos2d {
// singleton stuff
static CCDisplayLinkDirector s_sharedDirector;
static bool s_bFirstRun = true;
#define kDefaultFPS 60 // 60 frames per second
extern string cocos2dVersion(void);
CCDirector* CCDirector::getSharedDirector(void)
{
if (s_bFirstRun)
{
s_sharedDirector.init();
s_bFirstRun = false;
}
return &s_sharedDirector;
}
bool CCDirector::setDierectorType(ccDirectorType obDirectorType)
{
/*
switch (obDirectorType)
{
case CCDirectorTypeNSTimer:
CCTimerDirector::getSharedDirector();
break;
case CCDirectorTypeMainLoop:
CCFastDirector::getSharedDirector();
break;
case CCDirectorTypeThreadMainLoop:
CCThreadedFastDirector::getSharedDirector();
break;
case CCDirectorTypeDiaplayLink:
CCDisplayLinkDirector::getSharedDirector();
break;
default:
assert(false);
break;
}
*/
// we only support CCDisplayLinkDirector
CCDirector::getSharedDirector();
return true;
}
CCDirector* CCDirector::init(void)
{
CCLOG("cocos2d: %s", cocos2dVersion());
CCLOG("cocos2d: Using Director Type: %d", CCDirectorTypeDiaplayLink);
// default values
m_ePixelFormat = kCCPixelFormatDefault;
m_eDepthBufferFormat = kCCDepthBufferNone; // 0
// scenes
m_pRunningScene = NULL;
m_pNextScene = NULL;
m_dOldAnimationInterval = m_dAnimationInterval = 1.0 / kDefaultFPS;
m_pobScenesStack = new NSMutableArray<CCScene*>();
// landspace
m_eDeviceOrientation = CCDeviceOrientationPortrait;
// FPS
m_bDisplayFPS = false;
m_nFrames = 0;
// paused ?
m_bPaused = false;
m_pobOpenGLView = NULL;
m_fContentScaleFactor = 1;
m_obScreenSize = m_obSurfaceSize = CGSizeZero;
m_pLastUpdate = new struct cc_timeval();
// create autorelease pool
NSPoolManager::getInstance()->push();
return this;
}
CCDirector::~CCDirector(void)
{
CCLOGINFO("cocos2d: deallocing %p", this);
#if CC_DIRECTOR_FAST_FPS
//todo
// FPSLabel->release();
#endif
CCX_SAFE_RELEASE(m_pRunningScene);
CCX_SAFE_RELEASE(m_pobScenesStack);
// pop the autorelease pool
NSPoolManager::getInstance()->pop();
// delete m_pLastUpdate
delete m_pLastUpdate;
m_pLastUpdate = NULL;
}
void CCDirector::setGLDefaultValues(void)
{
// This method SHOULD be called only after openGLView_ was initialized
assert(m_pobOpenGLView);
setAlphaBlending(true);
setDepthTest(true);
setProjection(kCCDirectorProjectionDefault);
// set other opengl default values
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
#if CC_DIRECTOR_FAST_FPS
// todo: add needed source code
#endif
}
// main loop
void CCDirector::mainLoop(void)
{
// calculate "global" dt
calculateDeltaTime();
//tick before glClear: issue #533
if (! m_bPaused)
{
CCScheduler::getSharedScheduler()->tick(m_fDeltaTime);
}
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
/* to avoid flickr, nextScene MUST be here: after tick and before draw.
XXX: Which bug is this one. It seems that it can't be reproduced with v0.9 */
if (m_pNextScene)
{
setNextScene();
}
glPushMatrix();
applyLandspace();
// By default enable VertexArray, ColorArray, TextureCoordArray and Texture2D
CC_ENABLE_DEFAULT_GL_STATES();
// draw the scene
if (m_pRunningScene)
{
m_pRunningScene->visit();
}
if (m_bDisplayFPS)
{
showFPS();
}
#if CC_ENABLE_PROFILERS
showProfilers();
#endif
CC_DISABLE_DEFAULT_GL_STATES();
glPopMatrix();
// swap buffers
m_pobOpenGLView->swapBuffers();
}
void CCDirector::calculateDeltaTime(void)
{
struct cc_timeval now;
if (CCTime::gettimeofday(&now, NULL) != 0)
{
CCLOG("error in gettimeofday");
m_fDeltaTime = 0;
return;
}
// new delta time
if (m_bNextDeltaTimeZero)
{
m_fDeltaTime = 0;
m_bNextDeltaTimeZero = false;
}
else
{
m_fDeltaTime = (now.tv_sec - m_pLastUpdate->tv_sec) + (now.tv_usec - m_pLastUpdate->tv_usec) / 1000000.0f;
m_fDeltaTime = MAX(0, m_fDeltaTime);
}
*m_pLastUpdate = now;
}
// m_dAnimationInterval
void CCDirector::setAnimationInterval(double dValue)
{
CCLOG("cocos2d: Director#setAnimationInterval. Overrride me");
assert(0);
}
// m_pobOpenGLView
void CCDirector::setOpenGLView(CCXEGLView *pobOpenGLView)
{
assert(pobOpenGLView);
if (m_pobOpenGLView != pobOpenGLView)
{
// because EAGLView is not kind of NSObject
delete m_pobOpenGLView; // [openGLView_ release]
m_pobOpenGLView = pobOpenGLView;
// set size
m_obScreenSize = pobOpenGLView->getSize();
m_obSurfaceSize = CGSizeMake(m_obScreenSize.width * m_fContentScaleFactor,
m_obScreenSize.height * m_fContentScaleFactor);
CCTouchDispatcher *pTouchDispatcher = CCTouchDispatcher::getSharedDispatcher();
m_pobOpenGLView->setTouchDelegate(pTouchDispatcher);
pTouchDispatcher->setDispatchEvents(true);
setGLDefaultValues();
}
}
void CCDirector::setNextDeltaTimeZero(bool bNextDeltaTimeZero)
{
m_bNextDeltaTimeZero = bNextDeltaTimeZero;
}
// m_eDeviceOrientation
void CCDirector::setDeviceOrientation(ccDeviceOrientation kDeviceOrientation)
{
if (m_eDeviceOrientation != kDeviceOrientation)
{
m_eDeviceOrientation = kDeviceOrientation;
switch (m_eDeviceOrientation)
{
case CCDeviceOrientationPortrait:
CCXApplication::getSharedApplication()->setDeviceOrientation(CCDeviceOrientationPortrait);
break;
case CCDeviceOrientationPortraitUpsideDown:
CCXApplication::getSharedApplication()->setDeviceOrientation(CCDeviceOrientationPortraitUpsideDown);
break;
case CCDeviceOrientationLandscapeLeft:
CCXApplication::getSharedApplication()->setDeviceOrientation(CCDeviceOrientationLandscapeLeft);
break;
case CCDeviceOrientationLandscapeRight:
CCXApplication::getSharedApplication()->setDeviceOrientation(CCDeviceOrientationLandscapeRight);
break;
default:
CCLOG("Director: Unknown device orientation");
break;
}
}
}
void CCDirector::setProjection(ccDirectorProjection kProjection)
{
CGSize size = m_obSurfaceSize;
switch (kProjection)
{
case kCCDirectorProjection2D:
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glOrthof(0, size.width, 0, size.height, -1000, 1000);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
break;
case kCCDirectorProjection3D:
glViewport(0, 0, (GLsizei)size.width, (GLsizei)size.height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(60, (GLfloat)size.width/size.height, 0.5f, 1500.0f);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt( size.width/2, size.height/2, getZEye(),
size.width/2, size.height/2, 0,
0.0f, 1.0f, 0.0f);
break;
case kCCDirectorProjectionCustom:
// if custom, ignore it. The user is resposible for setting the correct projection
break;
default:
CCLOG("cocos2d: Director: unrecognized projecgtion");
break;
}
m_eProjection = kProjection;
}
void CCDirector::purgeCachedData(void)
{
///@todo add needed source
// CCBitmapFontAtlas::purgeCacheData();
CCSpriteFrameCache::purgeSharedSpriteFrameCache();
CCTextureCache::purgeSharedTextureCache();
}
float CCDirector::getZEye(void)
{
return (m_obSurfaceSize.height / 1.1566f);
}
void CCDirector::setAlphaBlending(bool bOn)
{
if (bOn)
{
glEnable(GL_BLEND);
glBlendFunc(CC_BLEND_SRC, CC_BLEND_DST);
}
else
{
glDisable(GL_BLEND);
}
}
void CCDirector::setDepthTest(bool bOn)
{
if (bOn)
{
glClearDepthf(1.0f);
glEnable(GL_DEPTH_TEST);
glDepthFunc(GL_LEQUAL);
glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST);
}
else
{
glDisable(GL_DEPTH_TEST);
}
}
// is the view currently attached
bool CCDirector::isOpenGLAttached(void)
{
return m_pobOpenGLView->isOpenGLReady();
}
// detach or attach to a view or a window
bool CCDirector::detach(void)
{
assert(isOpenGLAttached());
// remove from the superview
CCX_SAFE_DELETE(m_pobOpenGLView);
return true;
}
CGPoint CCDirector::convertToGL(CGPoint obPoint)
{
CGSize s = m_obScreenSize;
float newY = s.height - obPoint.y;
float newX = s.width - obPoint.x;
CGPoint ret;
switch (m_eDeviceOrientation)
{
case CCDeviceOrientationPortrait:
ret = ccp(obPoint.x, newY);
break;
case CCDeviceOrientationPortraitUpsideDown:
ret = ccp(newX, obPoint.y);
break;
case CCDeviceOrientationLandscapeLeft:
ret.x = obPoint.y;
ret.y = obPoint.x;
break;
case CCDeviceOrientationLandscapeRight:
ret.x = newY;
ret.y = newX;
break;
}
ret = ccpMult(ret, m_fContentScaleFactor);
return ret;
}
CGPoint CCDirector::convertToUI(CGPoint obPoint)
{
CGSize winSize = m_obSurfaceSize;
float oppositeX = winSize.width - obPoint.x;
float oppositeY = winSize.height - obPoint.y;
CGPoint uiPoint;
switch (m_eDeviceOrientation)
{
case CCDeviceOrientationPortrait:
uiPoint = ccp(obPoint.x, obPoint.y);
break;
case CCDeviceOrientationPortraitUpsideDown:
uiPoint = ccp(oppositeX, oppositeY);
break;
case CCDeviceOrientationLandscapeLeft:
uiPoint = ccp(obPoint.y, oppositeX);
break;
case CCDeviceOrientationLandscapeRight:
uiPoint = ccp(oppositeY, obPoint.x);
break;
}
uiPoint = ccpMult(uiPoint, 1/m_fContentScaleFactor);
return uiPoint;
}
CGSize CCDirector::getWinSize(void)
{
CGSize s = m_obSurfaceSize;
if (m_eDeviceOrientation == CCDeviceOrientationLandscapeLeft
|| m_eDeviceOrientation == CCDeviceOrientationLandscapeRight)
{
// swap x,y in landspace mode
CGSize tmp = s;
s.width = tmp.height;
s.height = tmp.width;
}
return s;
}
// return the current frame size
CGSize CCDirector::getDisplaySize(void)
{
return m_obSurfaceSize;
}
void CCDirector::applyLandspace(void)
{
CGSize s = m_obSurfaceSize;
float w = s.width / 2;
float h = s.height / 2;
// XXX it's using hardcoded values.
// What if the the screen size changes in the future?
switch (m_eDeviceOrientation)
{
case CCDeviceOrientationPortrait:
// nothing
break;
case CCDeviceOrientationPortraitUpsideDown:
// upside down
glTranslatef(w,h,0);
glRotatef(180,0,0,1);
glTranslatef(-w,-h,0);
break;
case CCDeviceOrientationLandscapeRight:
glTranslatef(w,h,0);
glRotatef(90,0,0,1);
glTranslatef(-h,-w,0);
break;
case CCDeviceOrientationLandscapeLeft:
glTranslatef(w,h,0);
glRotatef(-90,0,0,1);
glTranslatef(-h,-w,0);
break;
}
}
// scene management
void CCDirector::runWithScene(CCScene *pScene)
{
assert(pScene != NULL);
assert(m_pRunningScene == NULL);
pushScene(pScene);
startAnimation();
// render the 1st frame to avoid flicker (issue #350)
//mainLoop();
}
void CCDirector::replaceScene(CCScene *pScene)
{
assert(pScene != NULL);
unsigned int index = m_pobScenesStack->count();
m_bSendCleanupToScene = true;
m_pobScenesStack->replaceObjectAtIndex(index - 1, pScene);
m_pNextScene = pScene;
}
void CCDirector::pushScene(CCScene *pScene)
{
assert(pScene);
m_bSendCleanupToScene = false;
m_pobScenesStack->addObject(pScene);
m_pNextScene = pScene;
}
void CCDirector::popScene(void)
{
assert(m_pRunningScene != NULL);
m_pobScenesStack->removeLastObject();
unsigned int c = m_pobScenesStack->count();
if (c == 0)
{
end();
}
else
{
m_pNextScene = m_pobScenesStack->getObjectAtIndex(c - 1);
}
}
void CCDirector::end(void)
{
m_pRunningScene->onExit();
m_pRunningScene->cleanup();
m_pRunningScene->release();
m_pRunningScene = NULL;
m_pNextScene = NULL;
// remove all objects, but don't release it.
// runWithScene might be executed after 'end'.
m_pobScenesStack->removeAllObjects();
// don't release the event handlers
// They are needed in case the director is run again
CCTouchDispatcher::getSharedDispatcher()->removeAllDelegates();
stopAnimation();
#if CC_DIRECTOR_FAST_FPS
// todo
// FPSLabel->release();
// FPSLabel = NULL;
#endif
// purge bitmap cache
CCBitmapFontAtlas::purgeCachedData();
// purge all managers
CCSpriteFrameCache::purgeSharedSpriteFrameCache();
CCActionManager::getSharedManager()->purgeSharedManager();
CCScheduler::purgeSharedScheduler();
CCTextureCache::purgeSharedTextureCache();
// OpenGL view
m_pobOpenGLView->release();
m_pobOpenGLView = NULL;
}
void CCDirector::setNextScene(void)
{
bool runningIsTransition = dynamic_cast<CCTransitionScene *>(m_pRunningScene) != NULL;
bool newIsTransition = dynamic_cast<CCTransitionScene *>(m_pNextScene) != NULL;
// If it is not a transition, call onExit/cleanup
if (! newIsTransition)
{
if (m_pRunningScene)
{
m_pRunningScene->onExit();
}
// issue #709. the root node (scene) should receive the cleanup message too
// otherwise it might be leaked.
if (m_bSendCleanupToScene && m_pRunningScene)
{
m_pRunningScene->cleanup();
}
}
if (m_pRunningScene)
{
m_pRunningScene->release();
}
m_pRunningScene = m_pNextScene;
m_pNextScene->retain();
m_pNextScene = NULL;
if (! runningIsTransition && m_pRunningScene)
{
m_pRunningScene->onEnter();
m_pRunningScene->onEnterTransitionDidFinish();
}
}
void CCDirector::pause(void)
{
if (m_bPaused)
{
return;
}
m_dOldAnimationInterval = m_dAnimationInterval;
// when paused, don't consume CPU
setAnimationInterval(1 / 4.0);
m_bPaused = true;
}
void CCDirector::resume(void)
{
if (! m_bPaused)
{
return;
}
setAnimationInterval(m_dOldAnimationInterval);
if (CCTime::gettimeofday(m_pLastUpdate, NULL) != 0)
{
CCLOG("cocos2d: Director: Error in gettimeofday");
}
m_bPaused = false;
m_fDeltaTime = 0;
}
void CCDirector::startAnimation(void)
{
CCLOG("cocos2d: Director#startAnimation. Overrride me");
assert(0);
}
void CCDirector::stopAnimation(void)
{
CCLOG("cocos2d: Director#stopAnimation. Overrride me");
assert(0);
}
void CCDirector::preMainLoop(void)
{
CCLOG("cocos2d: Director#preMainLoop. Overrride me");
assert(0);
}
// todo: implement later
#if CC_DIRECTOR_FAST_FPS
// display the FPS using a LabelAtlas
// updates the FPS every frame
void CCDirector::showFPS(void)
{
++m_nFrames;
m_fAccumDt += m_fDeltaTime;
if (m_fAccumDt > CC_DIRECTOR_FPS_INTERVAL)
{
m_fFrameRate = m_nFrames / m_fAccumDt;
m_nFrames = 0;
m_fAccumDt = 0;
/*
NSString *str = [[NSString alloc] initWithFormat:@"%.1f", frameRate];
[FPSLabel setString:str];
[str release];
*/
}
}
#endif // CC_DIRECTOR_FAST_FPS
#if CC_ENABLE_PROFILERS
// implement later
#endif
// should we afford 4 types of director ??
// I think DisplayLinkDirector is enough
// so we now only support DisplayLinkDirector
// implementation of DisplayLinkDirector
void CCDisplayLinkDirector::startAnimation(void)
{
if (CCTime::gettimeofday(m_pLastUpdate, NULL) != 0)
{
CCLOG("cocos2d: DisplayLinkDirector: Error on gettimeofday");
}
m_bInvalid = false;
// approximate frame rate
// assumes device refreshes at 60 fps
//int frameInterval = (int) floor(animationInterval * 60.0f);
//CCLOG(@"cocos2d: Frame interval: %d", frameInterval);
//displayLink = [NSClassFromString(@"CADisplayLink") displayLinkWithTarget:self selector:@selector(preMainLoop:)];
//[displayLink setFrameInterval:frameInterval];
//[displayLink addToRunLoop:[NSRunLoop currentRunLoop] forMode:NSDefaultRunLoopMode];
}
void CCDisplayLinkDirector::preMainLoop(void)
{
if (! m_bInvalid)
{
mainLoop();
}
}
void CCDisplayLinkDirector::stopAnimation(void)
{
m_bInvalid = true;
}
void CCDisplayLinkDirector::setAnimationInterval(double dValue)
{
m_dAnimationInterval = dValue;
if (! m_bInvalid)
{
stopAnimation();
startAnimation();
}
}
}//namespace cocos2d
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