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湛江网站建设电话,苏州建设公司网站,No餐饮网站建设,网站建设网页与数据库连接不多说了直接上代码，课程中的架构讲的比较宽泛，而且有些方法写完之后并未测试。所以先把代码写完。理解其原理，未来使用时候会再此完善此博客。 文件架构： Event.h:核心基类 #pragma once #include"../Core.h" #inclu…

不多说了直接上代码，课程中的架构讲的比较宽泛，而且有些方法写完之后并未测试。所以先把代码写完。理解其原理，未来使用时候会再此完善此博客。

文件架构：

Event.h:核心基类

#pragma once
#include"../Core.h"
#include<string>
#include<functional>
namespace YOTO {// Hazel中的事件当前是阻塞的，这意味着当一个事件发生时，它立即被分派，必须立即处理。//将来，一个更好的策略可能是在事件总线中缓冲事件，并在更新阶段的“事件”部分处理它们。//事件类型enum class EventType{None = 0,WindowClose, WindowResize, WindowFocus, WindowLostFocus, WindowMoved,AppTick, AppUpdate, AppRender,KeyPressed, KeyReleased,MouseButtonPressed, MouseButtonReleased, MouseMoved, MouseScrolled};//事件分类enum EventCategory {None = 0,EventCategoryApplication = BIT(0),EventCategoryInput = BIT(1),EventCategoryKeyboard = BIT(2),EventCategoryMouse = BIT(3),EventCategoryMouseButton = BIT(4)};//定义一些重复的重写的函数，只需要传入固定参数，就能少些一大部分代码
#define EVENT_CLASS_TYPE(type) static EventType GetStaticType(){return EventType::##type; }\virtual EventType GetEventType() const override {return GetStaticType();}\virtual const char* GetName() const override {return #type;}
#define EVENT_CLASS_CATEGORY(category) virtual int GetCategoryFlags() const override {return category; }/// <summary>/// 事件基类，事件需要继承此类/// </summary>class Event{public://获得该事件的具体类型virtual EventType GetEventType() const = 0;//获得事件的名称virtual const char* GetName() const = 0;//获得该事件的大类型virtual int GetCategoryFlags() const = 0;//toString方法，返回事件名virtual std::string ToString() const { return GetName(); }//判断该事件是否是category类inline bool IsInCategory(EventCategory category) {return GetCategoryFlags() & category;}protected://事件是否被处理了bool m_Handled = false;};/// <summary>/// 基于事件类型调度事件的方法（暂时没有测试，不知道怎么用）/// </summary>class EventDispatcher{template <typename T>using EventFn = std::function<bool(T&)>;public:EventDispatcher(Event& event):m_Event(event) {}template <typename T>bool Dispatch(EventFn<T> func) {if (m_Event.GetEventType() == T::GetStaticType()) {m_Event.m_Handled = func(*(T*)&m_Event);return true;}return false;}private:Event& m_Event;};//暂无测试，方便输出inline std::ostream& operator<<(std::ostream& os, const Event& e){return  os << e.ToString();}}

 ApplicationEvent.h:处理appwindow的各种事件

#pragma once
#include"Event.h"
#include<sstream>
namespace YOTO {class YOTO_API WindowResizeEvent :public Event {public:WindowResizeEvent(unsigned int width, unsigned int height) :m_Width(width), m_Height(height) {}inline unsigned int GetWidth() const { return m_Width; }inline unsigned int GetHeight() const { return m_Height; }std::string ToString() const override {std::stringstream ss;ss << "窗口大小改变事件：" << m_Width << "," << m_Height;return ss.str();}EVENT_CLASS_TYPE(WindowResize)EVENT_CLASS_CATEGORY(EventCategoryApplication)private:unsigned int m_Width, m_Height;};class YOTO_API WindowCloseEvent :public Event{public:WindowCloseEvent(){}EVENT_CLASS_TYPE(WindowClose)EVENT_CLASS_CATEGORY(EventCategoryApplication)};class YOTO_API AppTickEvent :public Event {public:AppTickEvent(){}EVENT_CLASS_TYPE(AppTick)EVENT_CLASS_CATEGORY(EventCategoryApplication)};class YOTO_API AppUpdateEvent :public Event {public:AppUpdateEvent(){}EVENT_CLASS_TYPE(AppUpdate)EVENT_CLASS_CATEGORY(EventCategoryApplication)};class YOTO_API AppRenderEvent :public Event {public:AppRenderEvent() {}EVENT_CLASS_TYPE(AppRender)EVENT_CLASS_CATEGORY(EventCategoryApplication)};
}

KeyEvent.h：处理键盘事件

#pragma once
#include"Event.h"
#include<sstream>
namespace YOTO {class YOTO_API KeyEvent:public Event{public:inline int GetKeyCode() const { return m_KeyCode; }EVENT_CLASS_CATEGORY(EventCategoryKeyboard | EventCategoryInput)protected:KeyEvent(int keycode):m_KeyCode(keycode){}int m_KeyCode;};class YOTO_API KeyPressedEvent :public KeyEvent{public:KeyPressedEvent(int keycode, int repeatCount):KeyEvent(keycode),m_RepeatCount(repeatCount){}inline int GetRepeatCount() const { return m_RepeatCount; }std::string ToString() const override{std::stringstream ss;ss << "键盘按下事件：" << m_KeyCode << "(" << m_RepeatCount << "重复)";return ss.str();}//static EventType GetStaticType() { return EventType::KeyPressed; }//virtual EventType GetEventType()const override { return GetStaticType(); }//virtual const char* GetName()const override { return "KeyPressed"; }EVENT_CLASS_TYPE(KeyPressed)private:int m_RepeatCount;};class KeyReleasedEvent:public KeyEvent{public:KeyReleasedEvent(int keycode):KeyEvent(keycode){}std::string ToString()const override {std::stringstream ss;ss << "键盘释放事件：" << m_KeyCode;return ss.str(); }EVENT_CLASS_TYPE(KeyReleased)};}

 MouseEvent.h:处理鼠标事件

#pragma once
#include"Event.h"
#include<sstream>
namespace YOTO {class YOTO_API MouseMovedEvent :public Event{public:MouseMovedEvent(float x, float y):m_MouseX(x), m_MouseY(y) {}inline float GetX() const { return m_MouseX; }inline float GetY() const { return m_MouseY; }std::string ToString() const override {std::stringstream ss;ss << "鼠标移动事件：" << m_MouseX << "," << m_MouseY;return ss.str();}EVENT_CLASS_TYPE(MouseMoved)EVENT_CLASS_CATEGORY(EventCategoryMouse |EventCategoryInput )private:float m_MouseX, m_MouseY;};class YOTO_API MouseScrolledEvent :public Event{public:MouseScrolledEvent(float x, float y):m_XOffset(x), m_YOffset(y) {}inline float GetXOffset() const { return m_XOffset; }inline float GetYOffset() const { return m_YOffset; }std::string ToString() const override {std::stringstream ss;ss << "鼠标滚动事件：" << GetXOffset() << "," << GetYOffset();return ss.str();}EVENT_CLASS_TYPE(MouseScrolled)EVENT_CLASS_CATEGORY(EventCategoryMouse | EventCategoryInput)private:float m_XOffset, m_YOffset;};class YOTO_API MouseButtonEvent :public Event{public:inline int GetMouseButton() const { return m_Button; }EVENT_CLASS_CATEGORY(EventCategoryMouse | EventCategoryInput)protected:MouseButtonEvent(int button):m_Button(button){}int m_Button;};class YOTO_API MouseButtonPressedEvent :public MouseButtonEvent{public:MouseButtonPressedEvent(int button) :MouseButtonEvent(button) {}std::string ToString() const override {std::stringstream ss;ss << "鼠标按下事件：" << m_Button;return ss.str();}EVENT_CLASS_TYPE(MouseButtonPressed)};class YOTO_API MouseButtonReleasedEvent :public MouseButtonEvent{public:MouseButtonReleasedEvent(int button):MouseButtonEvent(button) {}std::string ToString() const override {std::stringstream ss;ss << "鼠标松开事件：" << m_Button;return ss.str();}EVENT_CLASS_TYPE(MouseButtonReleased)};
}

说白了就是写了个基类，然后写了实现类。

修改：

Core.h

#pragma once
//用于dll的宏
#ifdef YT_PLATFORM_WINDOWS
#ifdef YT_BUILD_DLL
#define YOTO_API __declspec(dllexport) 
#else
#define YOTO_API __declspec(dllimport) #endif // DEBUG
#else
#error YOTO_ONLY_SUPPORT_WINDOWS
#endif // YOTO_PLATFORM_WINDOWS
#define BIT(x)(1<<x)

记得加Event.h的头文件

premake5.lua

workspace "YOTOEngine"		-- sln文件名architecture "x64"	configurations{"Debug","Release","Dist"}
-- https://github.com/premake/premake-core/wiki/Tokens#value-tokens
-- 组成输出目录:Debug-windows-x86_64
outputdir = "%{cfg.buildcfg}-%{cfg.system}-%{cfg.architecture}"project "YOTOEngine"		--Hazel项目location "YOTOEngine"--在sln所属文件夹下的Hazel文件夹kind "SharedLib"--dll动态库language "C++"targetdir ("bin/" .. outputdir .. "/%{prj.name}") -- 输出目录objdir ("bin-int/" .. outputdir .. "/%{prj.name}")-- 中间目录-- 包含的所有h和cpp文件files{"%{prj.name}/src/**.h","%{prj.name}/src/**.cpp"}-- 包含目录includedirs{"%{prj.name}/src","%{prj.name}/vendor/spdlog-1.x/include"}-- 如果是window系统filter "system:windows"cppdialect "C++17"-- On:代码生成的运行库选项是MTD,静态链接MSVCRT.lib库;-- Off:代码生成的运行库选项是MDD,动态链接MSVCRT.dll库;打包后的exe放到另一台电脑上若无这个dll会报错staticruntime "On"	systemversion "latest"	-- windowSDK版本-- 预处理器定义defines{"YT_PLATFORM_WINDOWS","YT_BUILD_DLL"}-- 编译好后移动Hazel.dll文件到Sandbox文件夹下postbuildcommands{("{COPY} %{cfg.buildtarget.relpath} ../bin/" .. outputdir .. "/Sandbox")}-- 不同配置下的预定义不同filter "configurations:Debug"defines "YT_DEBUG"symbols "On"filter "configurations:Release"defines "YT_RELEASE"optimize "On"filter "configurations:Dist"defines "YT_DIST"optimize "On"project "Sandbox"location "Sandbox"kind "ConsoleApp"language "C++"targetdir ("bin/" .. outputdir .. "/%{prj.name}")objdir ("bin-int/" .. outputdir .. "/%{prj.name}")files{"%{prj.name}/src/**.h","%{prj.name}/src/**.cpp"}-- 同样包含spdlog头文件includedirs{"YOTOEngine/vendor/spdlog-1.x/include","YOTOEngine/src"}-- 引用hazellinks{"YOTOEngine"}filter "system:windows"cppdialect "C++17"staticruntime "On"systemversion "latest"defines{"YT_PLATFORM_WINDOWS"}filter "configurations:Debug"defines "YT_DEBUG"symbols "On"filter "configurations:Release"defines "YT_RELEASE"optimize "On"filter "configurations:Dist"defines "YT_DIST"optimize "On"

测试： 

Application.cpp

#include "Application.h"
#include"Event/ApplicationEvent.h"
#include"Log.h"
namespace YOTO {Application::Application() {}Application::~Application() {}void Application::Run() {WindowResizeEvent e(1280, 720);if (e.IsInCategory(EventCategoryApplication)) {YT_CORE_TRACE(e);}if (e.IsInCategory(EventCategoryInput)) {YT_CORE_ERROR(e);}while (true){}}
}

 预编译头文件：

ytpch.h

#pragma once
#include<iostream>
#include<memory>
#include<utility>
#include<algorithm>
#include<functional>
#include<string>
#include<vector>
#include<unordered_map>
#include<unordered_set>
#include<sstream>
#ifdef YT_PLATFORM_WINDOWS
#include<Windows.h>
#endif // YT_PLATFORM_WINDOWS

ytpch.cpp

#include "ytpch.h"

premake5.lua：

workspace "YOTOEngine"		-- sln文件名architecture "x64"	configurations{"Debug","Release","Dist"}
-- https://github.com/premake/premake-core/wiki/Tokens#value-tokens
-- 组成输出目录:Debug-windows-x86_64
outputdir = "%{cfg.buildcfg}-%{cfg.system}-%{cfg.architecture}"project "YOTOEngine"		--Hazel项目location "YOTOEngine"--在sln所属文件夹下的Hazel文件夹kind "SharedLib"--dll动态库language "C++"targetdir ("bin/" .. outputdir .. "/%{prj.name}") -- 输出目录objdir ("bin-int/" .. outputdir .. "/%{prj.name}")-- 中间目录pchheader "ytpch.h"pchsource "YOTOEngine/src/ytpch.cpp"-- 包含的所有h和cpp文件files{"%{prj.name}/src/**.h","%{prj.name}/src/**.cpp"}-- 包含目录includedirs{"%{prj.name}/src","%{prj.name}/vendor/spdlog-1.x/include"}-- 如果是window系统filter "system:windows"cppdialect "C++17"-- On:代码生成的运行库选项是MTD,静态链接MSVCRT.lib库;-- Off:代码生成的运行库选项是MDD,动态链接MSVCRT.dll库;打包后的exe放到另一台电脑上若无这个dll会报错staticruntime "On"	systemversion "latest"	-- windowSDK版本-- 预处理器定义defines{"YT_PLATFORM_WINDOWS","YT_BUILD_DLL"}-- 编译好后移动Hazel.dll文件到Sandbox文件夹下postbuildcommands{("{COPY} %{cfg.buildtarget.relpath} ../bin/" .. outputdir .. "/Sandbox")}-- 不同配置下的预定义不同filter "configurations:Debug"defines "YT_DEBUG"symbols "On"filter "configurations:Release"defines "YT_RELEASE"optimize "On"filter "configurations:Dist"defines "YT_DIST"optimize "On"project "Sandbox"location "Sandbox"kind "ConsoleApp"language "C++"targetdir ("bin/" .. outputdir .. "/%{prj.name}")objdir ("bin-int/" .. outputdir .. "/%{prj.name}")files{"%{prj.name}/src/**.h","%{prj.name}/src/**.cpp"}-- 同样包含spdlog头文件includedirs{"YOTOEngine/vendor/spdlog-1.x/include","YOTOEngine/src"}-- 引用hazellinks{"YOTOEngine"}filter "system:windows"cppdialect "C++17"staticruntime "On"systemversion "latest"defines{"YT_PLATFORM_WINDOWS"}filter "configurations:Debug"defines "YT_DEBUG"symbols "On"filter "configurations:Release"defines "YT_RELEASE"optimize "On"filter "configurations:Dist"defines "YT_DIST"optimize "On"

把所有使用库文件的地方都换成#include"ytpch.h"即可

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