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• Windows Phone 7 Series - Tools and Resources

  - by TechTwaddle

  Unless you've been living in the caves of Lascaux for the past couple of days, you probably know what's happening in the world of Windows Phone. Microsoft unveiled the developer tools required to develop applications and games for Windows Phone 7 at MIX10 a couple of days back. Silverlight and XNA being the major frameworks, no big surprise there. And the best news of all is that all the development tools are free! So if you are planning to develop apps for Windows Phone 7, read on. The first place, or more appropriately hub, for you is the Windows Phone Developer Portal. It has most of the information you need to get you started. Now there is a ton of information available at other places too. In this post, I take time to put all the information that I found useful at one place, and I'll keep updating this as and when I find new stuff.   Setting up the development environment 1. Install Windows Phone Developer Tools CTP (Community Technology Preview) This will install Visual Studio 2010 Express, Silverlight, XNA framework and emulator for Windows Phone 7. It also installs a few support tools. 2. Expression Blend 4 for Windows Phone:     - Install Expression Blend 4 beta     - Install Expression Blend Add-in Preview for Windows Phone     - Install Expression Blend SDK Preview for Windows Phone Installing the above tools should set your machine up for development. I installed the tools on my Windows Vista SP1 machine and the process went smoothly without running into any major hitch. Note that the tools won't install on Windows XP, read the release notes of the CTP. Resources and Documentation 1. Microsoft Windows Phone 7 Series Developer Training Kit 2. Programming Windows Phone 7 Series by Charles Petzold. Contains few chapters only. Gives a good preview. 3. MSDN documentation for Windows Phone 7 Development 4. A sample chapter from Learning Windows Phone Programming [PDF] by Yochay Kiriaty and Jaime Rodriguez. Complete book will be available at a later time. 5. Windows Phone 7 Developer Forum - where you can ask questions and problems you run into and the experts are there to help you. 6. For Silverlight visit silverlight.net and for XNA game development, the XNA Creators Club is the place to go, also make sure you follow Michael Klutcher's and Shawn Hargreaves' blog. 7. And finally the MIX'10 website. Most of the sessions will be available for download later (some are already available). Click on the Windows Phone tag to get all the session details and downloads.   If you are completely new to Silverlight and XNA (like me), and C# makes some sense to you then I suggest you go through the Developer Training Kit. It gives a good start and ramps you up pretty quickly.

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• Drinking Our Own Champagne: Fusion Accounting Hub at Oracle

  - by Di Seghposs

  A guest post by Corey West, Senior Vice President, Oracle's Corporate Controller and Chief Accounting Officer There's no better story to tell than one about Oracle using its own products with blowout success. Here's how this one goes. As you know, Oracle has increased its share of the software market through a number of high-profile acquisitions. Legally combining companies is a very complicated process -- it can take months to complete, especially for the acquisitions with offices in several countries, each with its own unique laws and regulations. It's a mission critical and time sensitive process to roll an acquired company's legacy systems (running vital operations, such as accounts receivable and general ledger (GL)) into the existing systems at Oracle. To date, we've run our primary financial ledgers in E-Business Suite R12 -- and we've successfully met the requirements of the business and closed the books on time every single quarter. But there's always room for improvement and that comes in the form of Fusion Applications. We are now live on Fusion Accounting Hub (FAH), which is the first critical step in moving to a full Fusion Financials instance. We started with FAH so that we could design a global chart of accounts. Eventually, every transaction in every country will originate from this global chart of accounts -- it becomes the structure for managing our business more uniformly. In conjunction, we're using Oracle Hyperion Data Relationship Management (DRM) to centralize and automate governance of our global chart of accounts and related hierarchies, which will help us lower our costs and greatly reduce risk. Each month, we have to consolidate data from our primary general ledgers. We have been able to simplify this process considerably using FAH. We can now submit our primary ledgers running in E-Business Suite (EBS) R12 directly to FAH, eliminating the need for more than 90 redundant consolidation ledgers. Also we can submit incrementally, so if we need to book an adjustment in a primary ledger after close, we can do so without re-opening it and re-submitting. As a result, we have earlier visibility to period-end actuals during the close. A goal of this implementation, and one that we successfully achieved, is that we are able to use FAH globally with no customization. This means we have the ability to fully deploy ledger sets at the consolidation level, plus we can use standard functionality for currency translation and mass allocations. We're able to use account monitoring and drill down functionality from the consolidation level all the way through to EBS primary ledgers and sub-ledgers, which allows someone to click through a transaction appearing at the consolidation level clear through to its original source, a significant productivity enhancement when doing research. We also see a significant improvement in reporting using Essbase cube and Hyperion Smart View. Specifically, "the addition of an Essbase cube on top of the GL gives us tremendous versatility to automate and speed our elimination process," says Claire Sebti, Senior Director of Corporate Accounting at Oracle. A highlight of this story is that FAH is running in a co-existence environment. Our plan is to move to Fusion Financials in steps, starting with FAH. Next, our Oracle Financial Services Software subsidiary will move to a full Fusion Financials instance. Then we'll replace our EBS instance with Fusion Financials. This approach allows us to plan in steps, learn as we go, and not overwhelm our teams. It also reduces the risk that comes with moving the entire instance at once. Maria Smith, Vice President of Global Controller Operations, is confident about how they've positioned themselves to uptake more Fusion functionality and is eager to "continue to drive additional efficiency and cost savings." In this story, the happy customers are Oracle controllers, financial analysts, accounting specialists, and our management team that get earlier access to more flexible reporting. "Fusion Accounting Hub simplifies our processes and gives us more transparency into account activity," raves Alex SanJuan, Senior Director, Record to Report Strategic Process Owner. Overall, the team has been very impressed with the usability and functionality of FAH and are pleased with the quantifiable improvements. Claire Sebti states, "Our WD5 close activities have been reduced by at least four hours of system processing time, just for the consolidation group." Fusion Accounting Hub is an inspiring beginning to our Fusion Financials implementation story. There's no doubt it's going to be an international bestseller! Corey West, Senior Vice President Oracle's Corporate Controller and Chief Accounting Officer

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• Visual Studio 2012 and .NET 4.5 now Live!

  - by Tarun Arora

  Today was the formal launch event for Visual Studio 2012 and .NET 4.5, a state-of-the-art development solution for building modern applications that span connected devices and continuous services, from the client to the cloud. The event was streamed live from http://visualstudiolaunch.com, S.Somasegar corporate vice president of the Developer Division opened the key note, Jason Zander dived deeper into how to leverage Visual Studio 2012 and .NET 4.5 to build modern application. Brian Harry all the awesome features in Visual Studio 2012 to improve the application lifecycle management.   I. Summary of the announcements made today 1. Visual Studio Updates coming this fall –  VS Update will better support agile teams, enable continuous quality, elevate SharePoint development with application lifecycle management (ALM) tools, and expand Visual Studio 2012 Windows development capabilities. It will be available as a community technology preview (CTP) later this month and in final release later this calendar year. A comprehensive list of what will be on offer can be found here. 2. Visual Studio Express 2012 for Windows Desktop – Visual Studio Express 2012 for Windows Desktop brings the newest desktop development capabilities in Visual Studio 2012 to Express users, too. You would be excited to know that the express SKU will support Integration with TFS among some of the other cool features I would like to mention Unit Testing, Unit Testing, Code Analysis, dependency management with NuGet a full list and download links can be found here. 3. F# tools for Visual Studio Express 2012 for web –  This F# Tools release adds in F# 3.0 components, such as the F# 3.0 compiler, F# Interactive, IDE support, and new F# features such as type providers and query expressions to your Visual Studio 2012 express for web. More details and download links can be found here. 4. Visual Studio TFS 2012 Power Tools – The TFS 2012 Power tools brings the goodness of Best Practice Analyzer, Process Template Editor, Storyboard Shapes, Team Explorer enhancements, TFPT command line, TFS Server Backups, etc via to your TFS 2012 installation. It can be downloaded right away from here. II. Road shows There will be many more community road shows this month packaged with hours of demos and discussions. The Visual Studio UK Team has just announced that there will be four UK launch events, face to face session including a product group speaker and partner sessions: Edinburgh, 1st October Manchester, 3rd October London, 4th October Reading, 5th October III. Get Started Download Visual Studio 2012 and the additional supporting software's from here. The Visual Studio development team has put together over 60 videos to help you learn about the new Visual Studio 2012 capabilities in more detail, and all of these will be available for watching here. IV. What’s Next A lot more exciting stuff lined up… Windows 8 Anticipated release: Oct. 26 (UPDATED 9/12) Windows Server 2012 Released (UPDATED 9/4) System Center 2012 Released (UPDATED 9/11) SQL Server 2012 Released (UPDATED 4/2) Internet Explorer 10 Anticipated release: Between Q3 2012 and early 2013 (UPDATED 5/3   Office 2013 Anticipated release: Q4 2012 or Q1 2013(UPDATED 9/12) Exchange 2013 Anticipated release: Q4 2012 (UPDATED 7/26) Visual Studio 2012 Released (UPDATED 9/12) Kinect for Windows Released (UPDATED 9/4) Windows Phone "Tango" and 8 "Tango": Released; Anticipated "Windows Phone 8" release: Q4 2012 (UPDATED 9/5) Dynamics ERP Online Anticipated release: September or October 2012 (UPDATED 7/20) Office 365 Anticipated update schedule: "Almost weekly"(UPDATED 9/12) Windows Azure Rumored CTP release: Spring 2012 (UPDATED 9/7) SharePoint 2013 Anticipated release: Q4 2012 (UPDATED 8/21) Enjoy

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• Seamless STP with Oracle SOA Suite

  - by user12339860

  STP stands for “Straight Through Processing”. Wikipedia describes STP as a solution that enables “the entire trade process for capital markets and payment transactions to be conducted electronically without the need for re-keying or manual intervention, subject to legal and regulatory restrictions” .I will deal with the later part of the definition i.e “payment transactions without manual intervention” in this article. The STP that I am writing about involves the interaction between a Bank and its’ corporate customers,to that extent this business case is also called “Corporate Payments”.Simply put a  Corporate Payment-STP solution needs to connect the payment transaction right from the Corporate ERP into the Bank’s Payment Hub. A SOA based STP solution can do a lot more than just process transaction. But before I get to the solution let me describe the perspectives of the two primary parties in this interaction. The Corporate customer and the Bank. Corporate's Interaction with Bank:  Typically it is the treasury department of an enterprise which interacts with the Bank on a daily basis. Here is how a day of interaction would look like from the treasury department of a corp. Corporate Cash Retrieve Beginning of day totals Monitor Cash Accounts Send or receive cash between accounts Supply chain payments Payment Settlements Calculate settlement positions Retrieve End of Day totals Assess Transaction Financial Impact Short Term Investment Desk Retrieve Current Account information Conduct Investment activities Bank’s Interaction with the Corporate :  From the Bank’s perspective, the interaction starts from the point of on boarding a corporate customer to billing the corporate for the value added services it provides. Once the corporate is on-boarded the daily interaction involves Handle the various formats of data arriving from customers Process Beginning of Day & End of Day reporting request from customers Meet compliance requirements Process Payments Transmit Payment Status Challenges with this Interaction :  Both the Bank & the Corporate face many challenges from these interactions. Some of the challenges include Keeping a consistent view of transaction data for various LOBs of the corporate & the Bank Corporate customers use different ERPs, hence the data formats are bound to be different Can the Bank’s IT systems convert the data formats that can be easily mapped to the corporate ERP How does the Bank manage the communication profiles of these customers?  Corporate customers are demanding near real time visibility on their corporate accounts Corporate customers can make better cash management decisions if they can analyse the impact. Can the Bank create opportunities to sell its products to the investment desks at corporate houses & manage their orders? How will the Bank bill the corporate customer for the value added services it provides. What does a SOA based Seamless STP solution bring to the table? Highlights of Oracle SOA based STP solution For the Corporate Customer: No Manual or Paper based banking transactions Secure Delivery of Payment data to the Bank from multiple ERPs without customization Single Portal for monitoring & administering payment transactions Rule based validation of payments Customer has data necessary for more effective handling of payment and cash management decisions  Business measurements track progress toward payment cost goals  For the Bank: Reduces time & complexity of transactions Simplifies the process of introducing new products to corporate customers Single Payment hub for all corporate ERP payments across multiple instruments New Revenue sources by delivering value added services to customers Leverages existing payment infrastructure Remove Inconsistent data formats and interchange between bank and corporate systems  Compliance and many other benefits

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• What is Devops and Why You Should Care?

  - by Tanu Sood

  Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} According to Wikipedia, DevOps (a portmanteau of development and operations) is a software development method that stresses communication, collaboration and integration between software developers and information technology (IT) professionals. DevOps is a response to the interdependence of software development and IT operations. It aims to help an organization rapidly produce software products and services. That definition of DevOps is the – what. The “why” is even easier. Standardized development methodology, clear communication and documented processes supported by a standards-based, proven middleware platform improves application development and management cycles, brings agility and provides greater availability and security to your IT infrastructure. Clearly, DevOps is about connecting people, products and processes. Ultimately, DevOps is about connecting IT to business. If you haven’t already seen it, do check out Bob Rhubart’s feature on DevOps in the latest issue of Oracle Magazine. And for more information on how Oracle Fusion Middleware, the #1 application infrastructure foundation, visit us on oracle.com Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin-top:0in; mso-para-margin-right:0in; mso-para-margin-bottom:10.0pt; mso-para-margin-left:0in; line-height:115%; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;}

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• Implementing Service Level Agreements in Enterprise Manager 12c for Oracle Packaged Applications

  - by Anand Akela

  Contributed by Eunjoo Lee, Product Manager, Oracle Enterprise Manager. Service Level Management, or SLM, is a key tool in the proactive management of any Oracle Packaged Application (e.g., E-Business Suite, Siebel, PeopleSoft, JD Edwards E1, Fusion Apps, etc.). The benefits of SLM are that administrators can utilize representative Application transactions, which are constantly and automatically running behind the scenes, to verify that all of the key application and technology components of an Application are available and performing to expectations. A single transaction can verify the availability and performance of the underlying Application Tech Stack in a much more efficient manner than by monitoring the same underlying targets individually. In this article, we’ll be demonstrating SLM using Siebel Applications, but the same tools and processes apply to any of the Package Applications mentioned above. In this demonstration, we will log into the Siebel Application, navigate to the Contacts View, update a contact phone record, and then log-out. This transaction exposes availability and performance metrics of multiple Siebel Servers, multiple Components and Component Groups, and the Siebel Database - in a single unified manner. We can then monitor and manage these transactions like any other target in EM 12c, including placing pro-active alerts on them if the transaction is either unavailable or is not performing to required levels. The first step in the SLM process is recording the Siebel transaction. The following screenwatch demonstrates how to record Siebel transaction using an EM tool called “OpenScript”. A completed recording is called a “Synthetic Transaction”. The second step in the SLM process is uploading the Synthetic Transaction into EM 12c, and creating Generic Service Tests. We can create a Generic Service Test to execute our synthetic transactions at regular intervals to evaluate the performance of various business flows. As these transactions are running periodically, it is possible to monitor the performance of the Siebel Application by evaluating the performance of the synthetic transactions. The process of creating a Generic Service Test is detailed in the next screenwatch. EM 12c provides a guided workflow for all of the key creation steps, including configuring the Service Test, uploading of the Synthetic Test, determining the frequency of the Service Test, establishing beacons, and selecting performance and usage metrics, just to name a few. The third and final step in the SLM process is the creation of Service Level Agreements (SLA). Service Level Agreements allow Administrators to utilize the previously created Service Tests to specify expected service levels for Application availability, performance, and usage. SLAs can be created for different time periods and for different Service Tests. This last screenwatch demonstrates the process of creating an SLA, as well as highlights the Dashboards and Reports that Administrators can use to monitor Service Test results. Hopefully, this article provides you with a good start point for creating Service Level Agreements for your E-Business Suite, Siebel, PeopleSoft, JD Edwards E1, or Fusion Applications. Enterprise Manager Cloud Control 12c, with the Application Management Suites, represents a quick and easy way to implement Service Level Management capabilities at customer sites. Stay Connected: Twitter |  Face book |  You Tube |  Linked in |  Google+ |  Newsletter

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• With a little effort you can &ldquo;SEMI&rdquo;-protect your C# assemblies with obfuscation.

  - by mbcrump

  This method will not protect your assemblies from a experienced hacker. Everyday we see new keygens, cracks, serials being released that contain ways around copy protection from small companies. This is a simple process that will make a lot of hackers quit because so many others use nothing. If you were a thief would you pick the house that has security signs and an alarm or one that has nothing? To so begin: Obfuscation is the concealment of meaning in communication, making it confusing and harder to interpret. Lets begin by looking at the cartoon below:     You are probably familiar with the term and probably ignored this like most programmers ignore user security. Today, I’m going to show you reflection and a way to obfuscate it. Please understand that I am aware of ways around this, but I believe some security is better than no security.  In this sample program below, the code appears exactly as it does in Visual Studio. When the program runs, you get either a true or false in a console window. Sample Program. using System; using System.Diagnostics; using System.Linq;   namespace ObfuscateMe {     class Program     {                static void Main(string[] args)         {               Console.WriteLine(IsProcessOpen("notepad")); //Returns a True or False depending if you have notepad running.             Console.ReadLine();         }             public static bool IsProcessOpen(string name)         {             return Process.GetProcesses().Any(clsProcess => clsProcess.ProcessName.Contains(name));         }     } }   Pretend, that this is a commercial application. The hacker will only have the executable and maybe a few config files, etc. After reviewing the executable, he can determine if it was produced in .NET by examing the file in ILDASM or Redgate’s Reflector. We are going to examine the file using RedGate’s Reflector. Upon launch, we simply drag/drop the exe over to the application. We have the following for the Main method:   and for the IsProcessOpen method:     Without any other knowledge as to how this works, the hacker could export the exe and get vs project build or copy this code in and our application would run. Using Reflector output. using System; using System.Diagnostics; using System.Linq;   namespace ObfuscateMe {     class Program     {                static void Main(string[] args)         {               Console.WriteLine(IsProcessOpen("notepad"));             Console.ReadLine();         }             public static bool IsProcessOpen(string name)         {             return Process.GetProcesses().Any<Process>(delegate(Process clsProcess)             {                 return clsProcess.ProcessName.Contains(name);             });         }       } } The code is not identical, but returns the same value. At this point, with a little bit of effort you could prevent the hacker from reverse engineering your code so quickly by using Eazfuscator.NET. Eazfuscator.NET is just one of many programs built for this. Visual Studio ships with a community version of Dotfoscutor. So download and load Eazfuscator.NET and drag/drop your exectuable/project into the window. It will work for a few minutes depending if you have a quad-core or not. After it finishes, open the executable in RedGate Reflector and you will get the following: Main After Obfuscation IsProcessOpen Method after obfuscation: As you can see with the jumbled characters, it is not as easy as the first example. I am aware of methods around this, but it takes more effort and unless the hacker is up for the challenge, they will just pick another program. This is also helpful if you are a consultant and make clients pay a yearly license fee. This would prevent the average software developer from jumping into your security routine after you have left. I hope this article helped someone. If you have any feedback, please leave it in the comments below.

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• Editing files without race conditions?

  - by user2569445

  I have a CSV file that needs to be edited by multiple processes at the same time. My question is, how can I do this without introducing race conditions? It's easy to write to the end of the file without race conditions by open(2)ing it in "a" (O_APPEND) mode and simply write to it. Things get more difficult when removing lines from the file. The easiest solution is to read the file into memory, make changes to it, and overwrite it back to the file. If another process writes to it after it is in memory, however, that new data will be lost upon overwriting. To further complicate matters, my platform does not support POSIX record locks, checking for file existence is a race condition waiting to happen, rename(2) replaces the destination file if it exists instead of failing, and editing files in-place leaves empty bytes in it unless the remaining bytes are shifted towards the beginning of the file. My idea for removing a line is this (in pseudocode): filename = "/home/user/somefile"; file = open(filename, "r"); tmp = open(filename+".tmp", "ax") || die("could not create tmp file"); //"a" is O_APPEND, "x" is O_EXCL|O_CREAT while(write(tmp, read(file)); //copy the $file to $file+".new" close(file); //edit tmp file unlink(filename) || die("could not unlink file"); file = open(filename, "wx") || die("another process must have written to the file after we copied it."); //"w" is overwrite, "x" is force file creation while(write(file, read(tmp))); //copy ".tmp" back to the original file unlink(filename+".tmp") || die("could not unlink tmp file"); Or would I be better off with a simple lock file? Appender process: lock = open(filename+".lock", "wx") || die("could not lock file"); file = open(filename, "a"); write(file, "stuff"); close(file); close(lock); unlink(filename+".lock"); Editor process: lock = open(filename+".lock", "wx") || die("could not lock file"); file = open(filename, "rw"); while(contents += read(file)); //edit "contents" write(file, contents); close(file); close(lock); unlink(filename+".lock"); Both of these rely on an additional file that will be left over if a process terminates before unlinking it, causing other processes to refuse to write to the original file. In my opinion, these problems are brought on by the fact that the OS allows multiple writable file descriptors to be opened on the same file at the same time, instead of failing if a writable file descriptor is already open. It seems that O_CREAT|O_EXCL is the closest thing to a real solution for preventing filesystem race conditions, aside from POSIX record locks. Another possible solution is to separate the file into multiple files and directories, so that more granular control can be gained over components (lines, fields) of the file using O_CREAT|O_EXCL. For example, "file/$id/$field" would contain the value of column $field of the line $id. It wouldn't be a CSV file anymore, but it might just work. Yes, I know I should be using a database for this as databases are built to handle these types of problems, but the program is relatively simple and I was hoping to avoid the overhead. So, would any of these patterns work? Is there a better way? Any insight into these kinds of problems would be appreciated.

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• Enterprise Manager will not start on WebLogic after ADF install

  - by retrodev

  I just built a WebLogic 10.3.6 cluster with EM and JRF checked in the domain extensions. Next I installed ADR 11.1.1.7 by first installing ADR 11.1.1.6, then patching the environment and running upgradeADF in wlst. All seems well except I cannot start EM. The application transitions to STATE_ADMIN, but then fails with the exception below. Any advice would be appreciated. <[ACTIVE] ExecuteThread: '6' for queue: 'weblogic.kernel.Default (self-tuning)' < < <1372081430346 java.lang.RuntimeException: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! null at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:293) at weblogic.servlet.internal.EventsManager$FireContextListenerAction.run(EventsManager.java:481) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.internal.EventsManager.notifyContextCreatedEvent(EventsManager.java:181) at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1870) at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3155) at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1518) at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:487) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:427) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:201) at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:249) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:427) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:28) at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:672) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:212) at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:59) at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161) at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:150) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:116) at weblogic.deploy.internal.targetserver.operations.StartOperation.doCommit(StartOperation.java:149) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844) at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1249) at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440) at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:164) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:69) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256) at weblogic.work.ExecuteThread.run(ExecuteThread.java:221) Caused By: com.sun.faces.config.ConfigurationException: CONFIGURATION FAILED! null at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:357) at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:227) at weblogic.servlet.internal.EventsManager$FireContextListenerAction.run(EventsManager.java:481) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.internal.EventsManager.notifyContextCreatedEvent(EventsManager.java:181) at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1870) at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3155) at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1518) at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:487) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:427) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:201) at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:249) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:427) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:28) at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:672) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:212) at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:59) at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161) at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:150) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:116) at weblogic.deploy.internal.targetserver.operations.StartOperation.doCommit(StartOperation.java:149) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844) at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1249) at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440) at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:164) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:69) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256) at weblogic.work.ExecuteThread.run(ExecuteThread.java:221) Caused By: java.lang.NullPointerException at oracle.adfinternal.view.faces.unified.renderkit.UnifiedRenderKit.(UnifiedRenderKit.java:129) at oracle.adfinternal.view.faces.unified.renderkit.UnifiedRenderKit.createRenderKit(UnifiedRenderKit.java:111) at oracle.adfinternal.view.faces.unified.renderkit.UnifiedRenderKitFactory.getRenderKit(UnifiedRenderKitFactory.java:59) at org.apache.myfaces.trinidadinternal.renderkit.CoreRenderKitFactory.getRenderKit(CoreRenderKitFactory.java:55) at com.sun.faces.config.processor.RenderKitConfigProcessor.addRenderKits(RenderKitConfigProcessor.java:240) at com.sun.faces.config.processor.RenderKitConfigProcessor.process(RenderKitConfigProcessor.java:159) at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) at com.sun.faces.config.processor.ManagedBeanConfigProcessor.process(ManagedBeanConfigProcessor.java:270) at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) at com.sun.faces.config.processor.ValidatorConfigProcessor.process(ValidatorConfigProcessor.java:120) at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) at com.sun.faces.config.processor.ConverterConfigProcessor.process(ConverterConfigProcessor.java:126) at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) at com.sun.faces.config.processor.ComponentConfigProcessor.process(ComponentConfigProcessor.java:117) at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) at com.sun.faces.config.processor.ApplicationConfigProcessor.process(ApplicationConfigProcessor.java:341) at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) at com.sun.faces.config.processor.LifecycleConfigProcessor.process(LifecycleConfigProcessor.java:116) at com.sun.faces.config.processor.AbstractConfigProcessor.invokeNext(AbstractConfigProcessor.java:114) at com.sun.faces.config.processor.FactoryConfigProcessor.process(FactoryConfigProcessor.java:216) at com.sun.faces.config.ConfigManager.initialize(ConfigManager.java:338) at com.sun.faces.config.ConfigureListener.contextInitialized(ConfigureListener.java:227) at weblogic.servlet.internal.EventsManager$FireContextListenerAction.run(EventsManager.java:481) at weblogic.security.acl.internal.AuthenticatedSubject.doAs(AuthenticatedSubject.java:321) at weblogic.security.service.SecurityManager.runAs(SecurityManager.java:120) at weblogic.servlet.internal.EventsManager.notifyContextCreatedEvent(EventsManager.java:181) at weblogic.servlet.internal.WebAppServletContext.preloadResources(WebAppServletContext.java:1870) at weblogic.servlet.internal.WebAppServletContext.start(WebAppServletContext.java:3155) at weblogic.servlet.internal.WebAppModule.startContexts(WebAppModule.java:1518) at weblogic.servlet.internal.WebAppModule.start(WebAppModule.java:487) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:427) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.ScopedModuleDriver.start(ScopedModuleDriver.java:201) at weblogic.application.internal.flow.ModuleListenerInvoker.start(ModuleListenerInvoker.java:249) at weblogic.application.internal.flow.ModuleStateDriver$3.next(ModuleStateDriver.java:427) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.flow.ModuleStateDriver.start(ModuleStateDriver.java:119) at weblogic.application.internal.flow.StartModulesFlow.activate(StartModulesFlow.java:28) at weblogic.application.internal.BaseDeployment$2.next(BaseDeployment.java:672) at weblogic.application.utils.StateMachineDriver.nextState(StateMachineDriver.java:52) at weblogic.application.internal.BaseDeployment.activate(BaseDeployment.java:212) at weblogic.application.internal.EarDeployment.activate(EarDeployment.java:59) at weblogic.application.internal.DeploymentStateChecker.activate(DeploymentStateChecker.java:161) at weblogic.deploy.internal.targetserver.AppContainerInvoker.activate(AppContainerInvoker.java:79) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.activate(AbstractOperation.java:569) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.activateDeployment(ActivateOperation.java:150) at weblogic.deploy.internal.targetserver.operations.ActivateOperation.doCommit(ActivateOperation.java:116) at weblogic.deploy.internal.targetserver.operations.StartOperation.doCommit(StartOperation.java:149) at weblogic.deploy.internal.targetserver.operations.AbstractOperation.commit(AbstractOperation.java:323) at weblogic.deploy.internal.targetserver.DeploymentManager.handleDeploymentCommit(DeploymentManager.java:844) at weblogic.deploy.internal.targetserver.DeploymentManager.activateDeploymentList(DeploymentManager.java:1249) at weblogic.deploy.internal.targetserver.DeploymentManager.handleCommit(DeploymentManager.java:440) at weblogic.deploy.internal.targetserver.DeploymentServiceDispatcher.commit(DeploymentServiceDispatcher.java:164) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.doCommitCallback(DeploymentReceiverCallbackDeliverer.java:195) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer.access$100(DeploymentReceiverCallbackDeliverer.java:13) at weblogic.deploy.service.internal.targetserver.DeploymentReceiverCallbackDeliverer$2.run(DeploymentReceiverCallbackDeliverer.java:69) at weblogic.work.SelfTuningWorkManagerImpl$WorkAdapterImpl.run(SelfTuningWorkManagerImpl.java:545) at weblogic.work.ExecuteThread.execute(ExecuteThread.java:256) at weblogic.work.ExecuteThread.run(ExecuteThread.java:221)

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• Axis Aligned Billboard: how to make the object look at camera

  - by user19787

  I am trying to make an Axis Aligned Billboard with Pyglet. I have looked at several tutorials, but they only show me how to get the Up,Right,and Look vectors. So far this is what I have: target = cam.pos look = norm( target - billboard.pos ) right = norm( Vector3(0,1,0)*look ) up = look*right gluLookAt( look.x, look.y, look.z, self.pos.x, self.pos.y, self.pos.z, up.x, up.y, up.z ) This does nothing for me visibly. Any idea what I'm doing wrong?

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• Handling keyboard and mouse input (Win API)

  - by Deluxe

  There is a number of ways to catch mouse or keyboard under Windows. So I tried some of them, but every of them has some advantages and drawbacks. I want to ask you: Which method do use? I've tried these: WM_KEYDOWN/WM_KEYUP - Main disadvantage is that, I can't distinguish between left and right-handed keys like ALT, CONTROL or SHIFT. GetKeyboardState - This solves problem of first method, but there is new one. When I get that the Right-ALT key is pressed, I also get that the Left-Control key is down. This behaviour happens only when using localized keyboard layout (Czech - CS). WM_INPUT (Raw Input) - This method also doesn't distinguish left and right-handed keys (if I can remember) and for mouse movement sometimes generates message with zero delta values of mouse position.

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• Sphere entering in to the cube.unity

  - by Parthi

  I am trying Roll a Ball unity tutorial.Everything is fine,but when I roll the ball it is moving through the cube instead of picking it. my player class is using UnityEngine; using System.Collections; public class player : MonoBehaviour { public float speed; // Use this for initialization // Update is called once per frame void Update () { float h = Input.GetAxis("Horizontal"); float v = Input.GetAxis("Vertical"); Vector3 move = new Vector3(h,0,v); rigidbody.AddForce(move * speed * Time.deltaTime); } void OnTriggerEnter(Collider other) { if(other.gameObject.tag == "Pick up") { other.gameObject.SetActive(false); } } }

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• Two pass blur shader using libgdx tile map renderer

  - by Alexandre GUIDET

  I am trying to apply the following technique: blur effect using two pass shader to my libgdx game using the OrthogonalTiledMapRenderer. The idea is to blur the background wich is also a tilemap but rendered with another camera with a different zoom applied. Here is a screen capture without effect: Using the OrthogonalTiledMapRenderer sprite batch like this: backgroundMapRenderer.getSpriteBatch().setShader(shaderBlurX); backgroundMapRenderer.render(layerBackground); I get the following render: Wich is ok for X blur pass. I then try using frame buffer object like in this example. But the effect seems to be too much zoomed: I may be messing up with the camera and the zoom factor. Here is the code: private ShaderProgram shaderBlurX; private ShaderProgram shaderBlurY; private int FBO_SIZE = 800; private FrameBuffer targetA; private FrameBuffer targetB; targetA = new FrameBuffer(Pixmap.Format.RGBA8888, FBO_SIZE, FBO_SIZE, false); targetB = new FrameBuffer(Pixmap.Format.RGBA8888, FBO_SIZE, FBO_SIZE, false); targetA.begin(); Gdx.gl.glClearColor(1, 1, 1, 0); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); backgroundMapRenderer.render(layerBackground); targetA.end(); targetB.begin(); Gdx.gl.glClearColor(1, 1, 1, 0); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); backgroundMapRenderer.getSpriteBatch().setShader(shaderBlurX); backgroundMapRenderer.render(layerBackground); targetB.end(); TextureRegion back = new TextureRegion(targetB.getColorBufferTexture()); back.flip(false, true); backgroundMapRenderer.getSpriteBatch() .setProjectionMatrix(backgroundCamera.combined); backgroundMapRenderer.getSpriteBatch().setShader(shaderBlurY); backgroundMapRenderer.getSpriteBatch().begin(); backgroundMapRenderer.getSpriteBatch().draw(back, 0, 0); backgroundMapRenderer.getSpriteBatch().end(); I know I am making something the wrong way, but I can't find any resources about applying two passes shader using tile map renderer. Does someone know how to achieve this?

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• How to create sprites, programatically without using prefabs?

  - by DemonSOCKET

  I have different types of images for different sprites. and i am not certain that how much different sprites(images) i will have to show. So, i gotta create the sprites and apply textures programatically at runtime. Now, I defiantly can't use prefabs because it will restrict me with the number of different sprites i can use. and also, changing texture on one sprite prefab instance in game, will change all the sprites prefab, that's not acceptable in my case. Is there a way i can create sprites without having to create static prefab ? where ever i looked for the solution every time i got the same answer "create a prefab", which is what can not be done in my case.

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• XNA: Camera's Rotation and Translation matrices seem to interfere with each other

  - by Danjen

  I've been following the guide here for how to create a custom 2D camera in XNA. It works great, I've implemented it before, but for some reason, the matrix math is throwing me off. public sealed class Camera2D { public Vector2 Origin { get; set; } public Vector2 Position { get; set; } public float Scale { get; set; } public float Rotation { get; set; } } It might be easier to just show you a picture of my problem: http://i.imgur.com/H1l6LEx.png What I want to do is allow the camera to pivot around any given point. Right now, I have the rotations mapped to my shoulder buttons on a gamepad, and if I press them, it should rotate around the point the camera is currently looking at. Then, I use the left stick to move the camera around. The problem is that after it's been rotated, pressing "up" results in it being used relative to the rotation, creating the image above. I understand that matrices have to be applied in a certain order, and that I have to offset the thing to be rotated around the world origin and move it back, but it just won't work! public Matrix GetTransformationMatrix() { Matrix mRotate = Matrix.Identity * Matrix.CreateTranslation(-Origin.X, -Origin.Y, 0.00f) * // Move origin to world center Matrix.CreateRotationZ(MathHelper.ToRadians(Rotation)) * // Apply rotation Matrix.CreateTranslation(+Origin.X, +Origin.Y, 0.00f); // Undo the move operation Matrix mTranslate = Matrix.Identity * Matrix.CreateTranslation(-Position.X, Position.Y, 0.00f); // Apply the actual translation return mRotate * mTranslate; } So to recap, it seems I can have it rotate around an arbitrary point and lose the ability to have "up" move the camera straight up, or I can rotate it around the world origin and have the camera move properly, but not both.

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• Creating a top-down spaceship

  - by Ali

  I'm creating a top-down 2D space game in LIBGDX for android. When spaceship is going forward it will look like this: when it goes upward I want to change it's direction with a nice animation so it seems like a real spaceship. A between frame would be like this: I have rendered the spaceship in different Z axis degrees from ship0 to ship90. Calculating rotation on XY plane wouldn't be so hard, but I don't know how to calculate the rotation on Z axis so I can choose the right sprite to use.

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• creating a contact listener with sprites from different classes

  - by wilM

  I've been trying to set a contact listener that creates a joint on contact between two sprites which have their own individual classes. Both sprites are inheriting from NSObject and their are initialized in their parentlayer (init method of HelloWorldLayer.mm). It is quite straightforward when everything is in the same class, but in a case like this where sprites have their own classes how will it be done. Please Help, I've been at it for days.

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• Drawing a rectangular prism using opengl

  - by BadSniper

  I'm trying to learn opengl. I did some code for building a rectangular prism. I don't want to draw back faces so I used glCullFace(GL_BACK), glEnable(GL_CULL_FACE);. But I keep getting back faces also when viewing from front and also sometimes when rotating sides are vanishing. Can someone point me in right direction? glPolygonMode(GL_FRONT,GL_LINE); // draw wireframe polygons glColor3f(0,1,0); // set color green glCullFace(GL_BACK); // don't draw back faces glEnable(GL_CULL_FACE); // don't draw back faces glTranslatef(-10, 1, 0); // position glBegin(GL_QUADS); // face 1 glVertex3f(0,-1,0); glVertex3f(0,-1,2); glVertex3f(2,-1,2); glVertex3f(2,-1,0); // face 2 glVertex3f(2,-1,2); glVertex3f(2,-1,0); glVertex3f(2,5,0); glVertex3f(2,5,2); // face 3 glVertex3f(0,5,0); glVertex3f(0,5,2); glVertex3f(2,5,2); glVertex3f(2,5,0); // face 4 glVertex3f(0,-1,2); glVertex3f(2,-1,2); glVertex3f(2,5,2); glVertex3f(0,5,2); // face 5 glVertex3f(0,-1,2); glVertex3f(0,-1,0); glVertex3f(0,5,0); glVertex3f(0,5,2); // face 6 glVertex3f(0,-1,0); glVertex3f(2,-1,0); glVertex3f(2,5,0); glVertex3f(0,5,0); glEnd();

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• SharpDX: Render to bitmap using Direct2D 1.1

  - by mwhouser

  I have a command line application that I am currently using SharpDX (Direct2D 1.0) to render to PNG files. This is a window-less application. It's currently creating a SharpDX.WIC.WicBitmap, a WicRenderTarget, then rendering to that. I then save the WicBitmap to the PNG file. For various reasons, I need to migrate to Direct2D 1.1 to take advantage of some of the effects available in 1.1. I'm trying to get a SharpDX.Direct2D1.Bitmap that I can save as PNG. I cannot use FromWicBitmap because that copies the bitmap, it does not share it. I see CreateSharedBitmap in the Direct2D1 API that takes a IWICBitmapLock. However, I do not see this implemented as a constructor of SharpDX.Direct2D.Bitmap. This is what I'm trying to do: // Bunch of setup var d2dDevice = new SharpDX.Direct2D1.Device(dxgiDevice); var d2dDeviceContext = new SharpDX.Direct2D1.DeviceContext(d2dDevice, SharpDX.Direct2D1.DeviceContextOptions.None); using (var wicFactory = new SharpDX.WIC.ImagingFactory()) { using (SharpDX.WIC.Bitmap wicBitmap = new SharpDX.WIC.Bitmap(wicFactory, 500, 500, SharpDX.WIC.PixelFormat.Format32bppPBGRA, SharpDX.WIC.BitmapCreateCacheOption.CacheOnDemand)) { var wicLock = wicBitmap.Lock(SharpDX.WIC.BitmapLockFlags.Write); var props = new SharpDX.Direct2D1.BitmapProperties1(); props.BitmapOptions = SharpDX.Direct2D1.BitmapOptions.Target; var bitmap = new SharpDX.Direct2D1.Bitmap1(d2dDeviceContext, wicLock, props); // This is not available d2dDeviceContext.Target = bitmap; // Do the drawing // Save the PNG } } Is there a way to do what I'm trying to accomplish?

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• Unity3D draw call optimization : static batching VS manually draw mesh with MaterialPropertyBlock

  - by Heisenbug

  I've read Unity3D draw call batching documentation. I understood it, and I want to use it (or something similar) in order to optimize my application. My situation is the following: I'm drawing hundreds of 3d buildings. Each building can be represented using a Mesh (or a SubMesh for each building, but I don't thing this will affect performances) Each building can be textured with several combinations of texture patterns(walls, windows,..). Textures are stored into an Atlas for optimizaztion (see Texture2d.PackTextures) Texture mapping and facade pattern generation is done in fragment shader. The shader can be the same (except for few values) for all buildings, so I'd like to use a sharedMaterial in order to optimize parameters passed to the GPU. The main problem is that, even if I use an Atlas, share the material, and declare the objects as static to use static batching, there are few parameters(very fews, it could be just even a float I guess) that should be different for every draw call. I don't know exactly how to manage this situation using Unity3D. I'm trying 2 different solutions, none of them completely implemented. Solution 1 Build a GameObject for each building building (I don't like very much the overhead of a GameObject, anyway..) Prepare each GameObject to be static batched with StaticBatchingUtility.Combine. Pack all texture into an atlas Assign the parent game object of combined batched objects the Material (basically the shader and the atlas) Change some properties in the material before drawing an Object The problem is the point 5. Let's say I have to assign a different id to an object before drawing it, how can I do this? If I use a different material for each object I can't benefit of static batching. If I use a sharedMaterial and I modify a material property, all GameObjects will reference the same modified variable Solution 2 Build a Mesh for every building (sounds better, no GameObject overhead) Pack all textures into an Atlas Draw each mesh manually using Graphics.DrawMesh Customize each DrawMesh call using a MaterialPropertyBlock This would solve the issue related to slightly modify material properties for each draw call, but the documentation isn't clear on the following point: Does several consecutive calls to Graphic.DrawMesh with a different MaterialPropertyBlock would cause a new material to be instanced? Or Unity can understand that I'm modifying just few parameters while using the same material and is able to optimize that (in such a way that the big atlas is passed just once to the GPU)?

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• DirectX11 CreateWICTextureFromMemory Using PNG

  - by seethru

  I've currently got textures loading using CreateWICTextureFromFile however I'd like a little more control over it, and I'd like to store images in their byte form in a resource loader. Below is just two sets of test code that return two separate results and I'm looking for any insight into a possible solution. ID3D11ShaderResourceView* srv; std::basic_ifstream<unsigned char> file("image.png", std::ios::binary); file.seekg(0,std::ios::end); int length = file.tellg(); file.seekg(0,std::ios::beg); unsigned char* buffer = new unsigned char[length]; file.read(&buffer[0],length); file.close(); HRESULT hr; hr = DirectX::CreateWICTextureFromMemory(_D3D->GetDevice(), _D3D->GetDeviceContext(), &buffer[0], sizeof(buffer), nullptr, &srv, NULL); As a return for the above code I get Component not found. std::ifstream file; ID3D11ShaderResourceView* srv; file.open("../Assets/Textures/osg.png", std::ios::binary); file.seekg(0,std::ios::end); int length = file.tellg(); file.seekg(0,std::ios::beg); std::vector<char> buffer(length); file.read(&buffer[0],length); file.close(); HRESULT hr; hr = DirectX::CreateWICTextureFromMemory(_D3D->GetDevice(), _D3D->GetDeviceContext(), (const uint8_t*)&buffer[0], sizeof(buffer), nullptr, &srv, NULL); The above code returns that the image format is unknown. I'm clearly doing something wrong here, any help is greatly appreciated. Tried finding anything even similar on stackoverflow, and google to no avail.

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• Hue, saturation, brightness, contrast effect in hlsl

  - by Vibhore Tanwer

  I am new to pixel shader, and I am trying to write a simple brightness, contrast, hue, saturation effect. I have written a shader for it but I doubt that my shader is not providing me correct result, Brightness, contrast, saturation is working fine, problem is with hue. if I apply hue between -1 to 1, it seems to be working fine, but to make things more sharp, I need to apply hue value between -180 and 180, like we can apply hue in Paint.NET. Here is my code. // Amount to shift the Hue, range 0 to 6 float Hue; float Brightness; float Contrast; float Saturation; float Alpha; sampler Samp : register(S0); // Converts the rgb value to hsv, where H's range is -1 to 5 float3 rgb_to_hsv(float3 RGB) { float r = RGB.x; float g = RGB.y; float b = RGB.z; float minChannel = min(r, min(g, b)); float maxChannel = max(r, max(g, b)); float h = 0; float s = 0; float v = maxChannel; float delta = maxChannel - minChannel; if (delta != 0) { s = delta / v; if (r == v) h = (g - b) / delta; else if (g == v) h = 2 + (b - r) / delta; else if (b == v) h = 4 + (r - g) / delta; } return float3(h, s, v); } float3 hsv_to_rgb(float3 HSV) { float3 RGB = HSV.z; float h = HSV.x; float s = HSV.y; float v = HSV.z; float i = floor(h); float f = h - i; float p = (1.0 - s); float q = (1.0 - s * f); float t = (1.0 - s * (1 - f)); if (i == 0) { RGB = float3(1, t, p); } else if (i == 1) { RGB = float3(q, 1, p); } else if (i == 2) { RGB = float3(p, 1, t); } else if (i == 3) { RGB = float3(p, q, 1); } else if (i == 4) { RGB = float3(t, p, 1); } else /* i == -1 */ { RGB = float3(1, p, q); } RGB *= v; return RGB; } float4 mainPS(float2 uv : TEXCOORD) : COLOR { float4 col = tex2D(Samp, uv); float3 hsv = rgb_to_hsv(col.xyz); hsv.x += Hue; // Put the hue back to the -1 to 5 range //if (hsv.x > 5) { hsv.x -= 6.0; } hsv = hsv_to_rgb(hsv); float4 newColor = float4(hsv,col.w); float4 colorWithBrightnessAndContrast = newColor; colorWithBrightnessAndContrast.rgb /= colorWithBrightnessAndContrast.a; colorWithBrightnessAndContrast.rgb = colorWithBrightnessAndContrast.rgb + Brightness; colorWithBrightnessAndContrast.rgb = ((colorWithBrightnessAndContrast.rgb - 0.5f) * max(Contrast + 1.0, 0)) + 0.5f; colorWithBrightnessAndContrast.rgb *= colorWithBrightnessAndContrast.a; float greyscale = dot(colorWithBrightnessAndContrast.rgb, float3(0.3, 0.59, 0.11)); colorWithBrightnessAndContrast.rgb = lerp(greyscale, colorWithBrightnessAndContrast.rgb, col.a * (Saturation + 1.0)); return colorWithBrightnessAndContrast; } technique TransformTexture { pass p0 { PixelShader = compile ps_2_0 mainPS(); } } Please If anyone can help me learning what am I doing wrong or any suggestions? Any help will be of great value. EDIT: Images of the effect at hue 180: On the left hand side, the effect I got with @teodron answer. On the right hand side, The effect Paint.NET gives and I'm trying to reproduce.

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• OpenTK C# Loading Model (3DS?) for display and animation

  - by Randomman159

  For the last few days i have been searching for a model importer that support skeletal movement using OpenTK (C#, OpenGL). I am avoiding writing it myself because firstly i am only just learning OpenGL, but also because i don't see why there's a necessity in recreating the wheel. What do you guys use to import your models? I find it interesting that 90% of OpenTK users will import models for various projects, yet i havn't found a single working importer. Could any of you share your code or point me in the direction of a good loader? 3DS files would be best, but anything that can be exported from an autodesk program would be fine, as long as it uses skeleton animation. Thanks for any help :)

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• Updating resources in SharpDX - why can I not map a dynamic texture?

  - by sebf

  I am trying to map a Texture2D resource in DirectX11 via SharpDX. The resource is declared as a ShaderResource, with Default usage and the 'Write' CPU flag specified. My call however fails with a generic exception from SharpDX: _Parent.Context.MapSubresource(_Resource, 0, SharpDX.Direct3D11.MapMode.Write, SharpDX.Direct3D11.MapFlags.None, out stream); I see from this question that it is supported. The MSDN docs and this other question hint that instead of using Context.MapSubresource() I should be using Texture2D.Map(), however, the DirectX11 Texture2D class does not define Map() (though it does for the DX10 equivalent). If I call the above with MapMode.WriteDiscard, the call succeeds but in this case the previous content of the texture is lost, which is no good when I only want to update a section of it. Has the Map() method been removed in DirectX11 or am I looking in the wrong place? Is the MapSubresource() method unsuitable or am I using it wrong?

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• Cutting objects and applying texture to cut. Unity3d/C#

  - by Timothy Williams

  Basically what I'm trying to do is figure out how to calculate realtime cutting of objects, and apply a texture to the cut. I found some good scripts, but most of them have been abandoned and aren't really fully working yet. Applying textures: http://forum.unity3d.com/threads/75949-Mesh-Real-Cutting?highlight=mesh+real+cutting Cutting: http://forum.unity3d.com/threads/78594-Object-Cutter Another (Free) Cutter (Also, I'm not entirely sure how this one will handle cutting complex meshes): http://forum.unity3d.com/threads/69992-fake-slicer?p=449114&viewfull=1#post449114 My plan as of right now is to combine links 1 & 2 or 1 & 3 programming wise. What I'm asking here for is any advice on how to advance (links to asset store packages, or other codes to show how to accomplish something complex like this.)

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