.NET/ASP.NET/C#/VB.NET PDF Document SDK

When I speak of a view, I am typically talking about a JSP, but this is not unnecessary jargon. The actual mechanism used is pluggable. The view configured to be the form view in Listing 6-8 is not a specific file, but an instruction to the controller to find the rendering mechanism identified as admin/listUser. The mechanism used to identify the rendering mechanism is a view resolver, and when all your views will be processed by the same mechanism, the UrlBasedViewResolver is the simplest approach. Listing 6-10 is the definition of a resolver that will be used to convert the views specified in the controllers into corresponding JSPs.

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In this chapter, you learned the basics of Visual Web Developer 2005, and you built your first interactive web application. You also learned about object-oriented programming (OOP). As you progress throughout the book, you will quickly be building more advanced web applications including database applications. But first, you need to get more familiar with your development environment. 2 takes you on a guided tour of the IDE so you will be able to navigate around quickly and accomplish your tasks.

coordinate system headingVec; strafeVec; upVec;

<bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver"> <property name="prefix" value="/WEB-INF/jsp/"/> <property name="suffix" value=".jsp"/> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> </bean> This configuration is pretty much self-explanatory. The resolver class is declared (autowiring is used to identify the view resolver, so actually the id attribute is redundant

You use these vectors whenever you want to move a unit according to its axes. For example, if you wanted a unit to move backward, you would set its linear velocity by means of a negative headingVec value. To identify when the unit is over the terrain or is alive, or if you need to adjust the unit s position to account for a jump, create some flags: // Some flags bool isOnTerrain; bool isDead; bool adjustJumpChanges;

here). The view name is prefixed with /WEB-INF/jsp/, and then suffixed with .jsp, and the JstlView class is then used to render the file in question. As you ll have anticipated, this takes the resulting path (/WEB-INF/jsp/admin/listUser.jsp) and forwards the incoming request as a servlet invocation of this JSP page. It is good practice when using a UrlBasedViewResolver with JSPs to place the files in question under the WEB-INF hierarchy so that they cannot be viewed directly by clients browsing the site (files under WEB-INF cannot be accessed by external requests). The body of the page used to render the resulting forwarded request is then shown in Listing 6-11.

The TerrainUnit class extends the DrawableGameComponent class, which needs a Game instance to be constructed. This means that the TerrainUnit constructor must receive a Game object as a parameter and use it in the constructor of its base class (the DrawableGameComponent). Its attributes are initialized inside the constructor of the TerrainUnit class. Following is the constructor code for the TerrainUnit class: public TerrainUnit(Game game) : base(game) { gravityVelocity = 0.0f; isOnTerrain = false; isDead = false; adjustJumpChanges = false; needUpdateCollision = true; } To load the unit s animated model, create a Load method. The Load method receives the animated model s file name, loads the model, positions the model above the terrain, and updates its orientation vectors. Following is the code for the Load method: protected void Load(string unitModelFileName) { animatedModel = new AnimatedModel(Game); animatedModel.Initialize(); animatedModel.Load(unitModelFileName); // Put the player above the terrain UpdateHeight(0); isOnTerrain = true; NormalizeBaseVectors(); }

One of the unit s actions is jumping, which makes the unit move upward and then downward The velocity that acts over the unit and makes it moves down is the gravity velocity In the game, the gravity velocity is a negative scalar value that acts over the gravity axis, which points to the world s y (up) axis (0, 1, 0) In order to make the unit jump, you could change the value of the gravity velocity that acts over it to a positive value, which makes the unit move upward Then, while the unit is in the air, you slowly reduce the gravity velocity until it has a negative value again, which makes the unit move downward Note that to make a smooth jump, you need to define a minimum and maximum value for the gravity velocity.

<body> <h1>Administration</h1> <div id="commands"> <h2>Commands</h2> <a href="${ctx}/">Home</a> <a href="${ctx}/admin/create _flowId=createUser-flow"> Add New User </a> </div> <div id="userList"> <h2>Users</h2> <c:forEach var="user" items="${users}"> <div id="user"> <a href="${ctx}/admin/view/${user.accountName}"> ${user.accountName} </a> </div> </c:forEach> </div> </body> The users attribute (a list of UserAccount objects) was added to the request attribute via the reference data in Listing 6-9. Expression language and the standard tag library are then used to iterate over these objects, rendering a set of links to the appropriate functionality to view the account details in question.