A Simple Rollback System in C++BeyondWe still need to wait for all the player inputs to process the confirm frame…What is a rollback system?Input predictionMispredictionDoing a rollbackRollback Implementation DetailsPhysics vs Graphics game update. This allows to sequence your game frame.A Fixed TickRollback Manager InputsRollbackGame System Architecture Game systems need a function to rollback (revert to a previous state). Typically everywhere Player Character as a gameplay, physics, graphics and audio object…ECS-like architecture System and array of Components (C-struct without functionality, except operators maybe) You want to have0 码力 | 58 页 | 6.61 MB | 6 月前3
File I/O for Game Developers: Past, Present, and FutureFILE I/O: PAST, PRESENT AND FUTURE CPPCON OCTOBER 3RD 2023 GUY DAVIDSON @HATCAT01INTRODUCTIONS • Head of Engineering Practice at Creative Assembly • 1980 – Acorn Atom • ISO/IEC JTC1/SC22/WG21 • BSI Why do we have files? • What is a filesystem? • Why should we avoid buffered file IO? • How do we optimise unbuffered file IO? • How might the standard help us in future?AGENDA • Sub-megabyte days • More RAM, more disk capacity • Moving data into and out of RAM • File IO in C++ from fstream to the OS SDK • The 64-bit address spaceSUB-MEGABYTE DAYS • Why do we have files?SUB- MEGABYTE DAYSSUB-0 码力 | 64 页 | 2.69 MB | 6 月前3
Combining Co-Routines and Functions into a Job SystemHlavacs – Combining Co-Routines and Functions into a Job System - CppCon 2021 1 / 39Helmut Hlavacs – Combining Co-Routines and Functions into a Job System - CppCon 2021 2 / 39 About Myself • Professor for Functions into a Job System - CppCon 2021 3 / 39 Creating Game Engines with C++ • Vienna Game Job System + • Graphics API Abstraction Layer + • Vienna Entity Component System + Vienna Type List Library 2.0 https://github.com/hlavacs 20Helmut Hlavacs – Combining Co-Routines and Functions into a Job System - CppCon 2021 4 / 39 The Game Loop auto prev = high_resolution_clock::now(); while( !finished()0 码力 | 39 页 | 1.23 MB | 6 月前3
Building a Coroutine-Based Job System Without Standard LibraryZhang tankiistanki tankijong COROUTINE JOB SYSTEM WITHOUT STANDARD LIBRARY source code of the system: https://github.com/tankiJong/cpp-coroutine-job-system Hi Everyone, Tanki here. Thanks for coming resources: https://gist.github.com/MattPD/9b55db49537a90545a90447392ad3aeb Before we dive into the system, I want to take 10 mins to have a quick recap about C++ coroutine and share some gotcha moments pretty overwhelmed by all different terms, not to mention to put them up together to form a knowledge system. I hope the following information can be helpful and I attached some links in the slides, or pointers0 码力 | 120 页 | 2.20 MB | 6 月前3
Behavior-driven Tests for Microservices-based Algo Trading Systemfrom Columbia University. Title : Behavior-driven Tests for Microservices-based Algo Trading System Summary : Introduction : This poster will introduce a test framework we use at Bloomberg to to enable behavior-based tests in natural language style for a microservices-based algo trading system that our engineering team is responsible for. Relevance : For our electronic trading business Although microservice components can easily be unit tested, it is often non-trivial to automate the system-level tests with external dependencies. Controlling external dependencies are especially important0 码力 | 1 页 | 65.24 KB | 6 月前3
Oracle VM VirtualBox 5.2.40 User Manual. 51 3.4.4 Disk Encryption Tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.5 System settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.5.1 “Motherboard” settings . . . . . . . . . . . . . . . . . . . . . . . . . . 144 8.8.9 Auto starting VMs during host system boot . . . . . . . . . . . . . . . . 144 8.9 VBoxManage clonevm . . . . . . . . . . . . . . . . for Windows guests . . . . . . . . . . . . . . . . . . . . 199 5 Contents 9.3.1 Automated Windows system preparation . . . . . . . . . . . . . . . . . 199 9.4 Advanced configuration for Linux and Solaris0 码力 | 387 页 | 4.27 MB | 6 月前3
Oracle VM VirtualBox 5.2.12 User Manual. 51 3.4.3 “Description” tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.5 System settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51 3.5.1 “Motherboard” settings . . . . . . . . . . . . . . . . . . . . . . . . . . 144 8.8.9 Auto starting VMs during host system boot . . . . . . . . . . . . . . . . 144 8.9 VBoxManage clonevm . . . . . . . . . . . . . . . . configuration for Windows guests . . . . . . . . . . . . . . . . . . . . 198 9.3.1 Automated Windows system preparation . . . . . . . . . . . . . . . . . 198 5 Contents 9.4 Advanced configuration for Linux0 码力 | 380 页 | 4.23 MB | 6 月前3
Oracle VM VirtualBox 4.2.32 User Manual. 47 3.3.3 “Description” tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47 3.4 System settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 3.4.1 “Motherboard” configuration for Windows guests . . . . . . . . . . . . . . . . . . . . 156 9.3.1 Automated Windows system preparation . . . . . . . . . . . . . . . . . 156 9.4 Advanced configuration for Linux and Solaris 9.13.2 DMI system information (type 1) . . . . . . . . . . . . . . . . . . . . . 169 9.13.3 DMI board information (type 2) . . . . . . . . . . . . . . . . . . . . . . 169 9.13.4 DMI system enclosure or0 码力 | 348 页 | 5.93 MB | 6 月前3
Oracle VM VirtualBox 4.1.40 User Manual. 45 3.3.3 “Description” tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.4 System settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46 3.4.1 “Motherboard” configuration for Windows guests . . . . . . . . . . . . . . . . . . . . 147 9.3.1 Automated Windows system preparation . . . . . . . . . . . . . . . . . 147 9.4 Advanced configuration for Linux and Solaris . . . . . . . . . . . . . . . . . . 182 12.2.1 Guest shows IDE/SATA errors for file-based images on slow host file system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182 12.2.20 码力 | 310 页 | 4.87 MB | 6 月前3
Oracle VM VirtualBox 4.3.36 User Manual. 48 3.3.3 “Description” tab . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.4 System settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 3.4.1 “Motherboard” configuration for Windows guests . . . . . . . . . . . . . . . . . . . . 164 9.3.1 Automated Windows system preparation . . . . . . . . . . . . . . . . . 164 9.4 Advanced configuration for Linux and Solaris 9.12.2 DMI system information (type 1) . . . . . . . . . . . . . . . . . . . . . 177 9.12.3 DMI board information (type 2) . . . . . . . . . . . . . . . . . . . . . . 177 9.12.4 DMI system enclosure or0 码力 | 380 页 | 3.79 MB | 6 月前3
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