quick player运行分析

Posted 2020-08-11 ZhYQ_note

mac应用从AppController.mm源文件的applicationDidFinishLaunching函数启动：

  1 1、
  2 - (void)applicationDidFinishLaunching:(NSNotification *)aNotification
  3 {
  4     [self installUncaughtExceptionHandler];
  5     
  6     //创建player
  7     auto player = player::PlayerMac::create();
  8     player->setController(self);
  9 
 10     _isAlwaysOnTop = NO;
 11     _debugLogFile = 0;
 12 
 13     _buildTask = nil;
 14     _isBuildingFinished = YES;
 15 
 16     // load QUICK_V3_ROOT from ~/.QUICK_V3_ROOT
 17     // 从~/.QUICK_V3_ROOT获取quick根目录,我的：Users/staff/Documents/quick-3.3
 18     NSMutableString *path = [NSMutableString stringWithString:NSHomeDirectory()];
 19     [path appendString:@"/.QUICK_V3_ROOT"];
 20     NSError *error = nil;
 21     NSString *env = [NSString stringWithContentsOfFile:path
 22                                               encoding:NSUTF8StringEncoding
 23                                                  error:&error];
 24     if ([error code] || env.length == 0)
 25     {
 26     //没有这个配置则报错，提示你执行setup_mac.sh脚本
 27         [self showAlertWithoutSheet:@"Please run \"setup_mac.sh\", set Quick-Cocos2dx-Community root path."
 28                           withTitle:@"quick player error"];
 29         [[NSApplication sharedApplication] terminate:self];
 30     }
 31 
 32         //_project.setQuickCocos2dxRootPath设置qucik根目录
 33     env = [env stringByTrimmingCharactersInSet:[NSCharacterSet newlineCharacterSet]];
 34     _project.setQuickCocos2dxRootPath([env cStringUsingEncoding:NSUTF8StringEncoding]);
 35 
 36 //分析命令行参数，设置_project的值，这个后面详细分析
 37     [self updateProjectFromCommandLineArgs:&_project];
 38     
 39     //创建WindowAndGLView，2分析
 40     [self createWindowAndGLView];
 41     
 42     //注册监听事件
 43     [self registerEventsHandler];
 44     
 45     //启动，3分析
 46     [self startup];
 47 }
 48 
 49 2、
 50 - (void) createWindowAndGLView
 51 {
 52     //设置GLContextAttrs
 53     GLContextAttrs glContextAttrs = {8, 8, 8, 8, 24, 8};
 54     GLView::setGLContextAttrs(glContextAttrs);
 55     
 56     float frameScale = _project.getFrameScale();
 57     
 58     // create opengl view
 59     cocos2d::Size frameSize = _project.getFrameSize();
 60 
 61 //创建GLView，GLViewImpl是针对desktop平台实现的 文件在platform/desktop/CCGLViewImpl-desktop.h
 62     const cocos2d::Rect frameRect = cocos2d::Rect(0, 0, frameSize.width, frameSize.height);
 63     GLViewImpl *eglView = GLViewImpl::createWithRect("player", frameRect, frameScale, _project.isResizeWindow());
 64 
 65     auto director = Director::getInstance();
 66     director->setOpenGLView(eglView);
 67     
 68     _window = eglView->getCocoaWindow();
 69     [NSApp setDelegate:self];
 70     [_window center];
 71 
 72     if (_project.getProjectDir().length())
 73     {
 74         [self setZoom:_project.getFrameScale()];
 75         Vec2 pos = _project.getWindowOffset();
 76         if (pos.x != 0 && pos.y != 0)
 77         {
 78             [_window setFrameOrigin:NSMakePoint(pos.x, pos.y)];
 79         }
 80     }
 81 }
 82 
 83 3、
 84 - (void) startup
 85 {
 86     FileUtils::getInstance()->setPopupNotify(false);
 87     
 88     //quick根目录
 89     std::string path = _project.getQuickCocos2dxRootPath();
 90     
 91     //如果设置了项目目录，则把项目目录设置为setDefaultResourceRootPath资源搜索默认目录
 92     const string projectDir = _project.getProjectDir();
 93     if (projectDir.length())
 94     {
 95         FileUtils::getInstance()->setDefaultResourceRootPath(projectDir.c_str());
 96         //如果设置了log输出文件
 97         if (_project.isWriteDebugLogToFile())
 98         {
 99             [self writeDebugLogToFile:_project.getDebugLogFilePath()];
100         }
101     }
102     
103     // set framework path
104     // 设置quick框架文件目录加入到搜索目录中_project.getQuickCocos2dxRootPath() + "quick/"
105     if (!_project.isLoadPrecompiledFramework())
106     {
107         FileUtils::getInstance()->addSearchPath(_project.getQuickCocos2dxRootPath() + "quick/");
108     }
109 
110     //设置可写目录
111     const string writablePath = _project.getWritableRealPath();
112     if (writablePath.length())
113     {
114         FileUtils::getInstance()->setWritablePath(writablePath.c_str());
115     }
116 
117 //显示Console，并且输出Configuration配置信息
118     if (_project.isShowConsole())
119     {
120         [self openConsoleWindow];
121         CCLOG("%s\n",Configuration::getInstance()->getInfo().c_str());
122     }
123     
124     //加载lua配置
125     [self loadLuaConfig];
126     [self adjustEditMenuIndex];
127     if (!_project.isAppMenu())
128     {
129         NSMenu *mainMenu = [[NSApplication sharedApplication] mainMenu];
130         NSArray *menuArray = [mainMenu itemArray];
131         for (int i = 1; i < [menuArray count]; i++)
132         {
133             id onemenu = [menuArray objectAtIndex:i];
134             [mainMenu removeItem:onemenu];
135         }
136     }
137     
138     // app 运行app
139     _app = new AppDelegate();
140     _app->setProjectConfig(_project);
141     Application::getInstance()->run();
142     // After run, application needs to be terminated immediately.
143     [NSApp terminate: self];
144 }
145 
146 4、
147 - (void) loadLuaConfig
148 {
149     LuaEngine* pEngine = LuaEngine::getInstance();
150     ScriptEngineManager::getInstance()->setScriptEngine(pEngine);
151 
152     luaopen_PlayerLuaCore(pEngine->getLuaStack()->getLuaState());
153     luaopen_PlayerLuaCore_Manual(pEngine->getLuaStack()->getLuaState());
154     
155 
156     NSMutableString *path = [NSMutableString stringWithString:NSHomeDirectory()];
157     [path appendString:@"/"];
158 
159     
160     //
161     // set user home dir
162     //
163     lua_pushstring(pEngine->getLuaStack()->getLuaState(), path.UTF8String);
164     lua_setglobal(pEngine->getLuaStack()->getLuaState(), "__USER_HOME__");
165 
166 
167     //
168     // ugly: Add the opening project to the "Open Recents" list
169     //
170     lua_pushstring(pEngine->getLuaStack()->getLuaState(), _project.getProjectDir().c_str());
171     lua_setglobal(pEngine->getLuaStack()->getLuaState(), "__PLAYER_OPEN_TITLE__");
172     
173     lua_pushstring(pEngine->getLuaStack()->getLuaState(), _project.makeCommandLine().c_str());
174     lua_setglobal(pEngine->getLuaStack()->getLuaState(), "__PLAYER_OPEN_COMMAND__");
175 
176     //
177     // load player.lua file
178     // 加载player.lua文件
179     //
180     string playerCoreFilePath = _project.getQuickCocos2dxRootPath() + "quick/welcome/src/player.lua";
181     pEngine->executeScriptFile(playerCoreFilePath.c_str());
182 }