“Favour composition over inheritance” If you haven’t already read my previous post on the problems of traditional game architecture and why entity systems are needed. I’m going to cover the basics of an entity system before we look at 3 different imp…
What is an entity system framework for game development? Posted on 19 January 2012 Last week I released Ash, an entity system framework for Actionscript game development, and a number of people have asked me the question “What is an entity system fra…
1. Introducing the ADO.NET Entity Framework ado.net entity framework 介绍 1 The Entity Relationship Model: Programming Against a Model,Not the Database 实体关系模型:使用模型编程,而非数据库 2 The Entity Data Model: A Client-Side Data Model 试题对象模型:客户端对象模型 3 Entities: Blu…
http://www.richardlord.net/blog/why-use-an-entity-framework Why use an entity system framework for game development?   Following my previous post on entity systems for game development I received a number of good questions from developers. I answered…
继承体系的问题,为什么要用ECS 面向对象的问题 当一个新的类型需要多个老类型的不同功能的时候,不能很好的继承出来 游戏开发后期会有非常多的类,很难维护 游戏中子系统很多,它们对一个对象的关注点往往互不相关,比如渲染.网络,战斗数据,如果都对应一个基础角色对象,这个类就会很大 ECS,通过组合而不是继承的方法来进行实体的构建 ECS的设计目的是用来把大量的模块进行集成并解耦,用最小的耦合来集成大量分散的系统 每个System可以只关注实体有什么,而不是实体是什么,这是与OOP的最大区别 在网络同…
Middleboxes (also known as network functions) are systems that perform sophisticated and often stateful packetprocessing, e.g. load balancers, caching proxies, intrusiondetection systems, etc. Middlebox From Wikipedia, the free encyclopedia A middleb…
Computer Systems A Programmer's Perspective Second Edition To this point in our study of computer systems, we have assumed thatprograms run in isolation, with minimal input and output. How-ever, in the real world, application programs use services pr…
First, What is directive, what is the difference between component and directive. For my understanding, component is something like 'canvas', 'form', 'table'... they have the template and their own functionality. It defines how a html tag should work…
So, you've got a new game idea, and it's going to change what everyone knows about the genre! Great! After making a Game Design Document, you proceed to make some art, or maybe a prototype. You even got that fancy gimp program, or started using a new…
8.初始化uvc控制 8.1 重要结构体 struct uvc_control { //uvc控制 struct uvc_entity *entity; //uvc实体 struct uvc_control_info info; //uvc控制信息 __u8 index; //索引值 __u8 dirty:1, loaded:1, modified:1, cached:1, initialized:1; //初始化标志 __u8 *uvc_data; //uvc控制数据 }; 8.2 初始化uv…