The going theory is that Mateen (or whatever his real name is) utilized a particular App Store scam that requires you to manipulate gross sales figures by, say, using your own money. As one member on the GameSalad forum points out, the Rank History on App Annie shows that when you compare the Red Ball paid app to others in the top 10, it had high gross sales but lower downloads. Generally, apps in the top 10 have both high gross sales and high downloads. Primitives addon - drawing primitives (e.g.To perform this scam, a developer would have to use a network of iTunes accounts to download enough copies of the game to push the game’s gross sales to $20,000.PhysicsFS addon - using archive as a file system.Memfile addon - treat a fixed block of contiguous memory as a file.Image I/O addon - BMP, DDS, PCX, TGA, JPEG, PNG.These addons are distributed with the core library: Also some parts of what used to be part of Allegro, is now separated as an addon in Allegro 5. The community of Allegro users have contributed several library extensions to handle things like scrolling tile maps and import and export of various file formats. Transformations – transformation of coordinates for 2D and 3D.State - you can store and later restore the state of Allegro application.Path structures - file path manipulation.Haptic routines - force feedback and vibration on input devices.Graphics routines - colors, pixel formats, bitmaps, clipping.Fixed point math - might useful for embedded processors without FPU.Filesystem - abstraction over both real file system and file system inside some data file (e.g.File I/O - abstraction over both real files and files inside some data file (e.g.Configuration files – INI format file handling.Allegro 5 is event driven.Īllegro 5 supports following features in its Core API: Many of the addons that existed as separate projects for Allegro 4 now interface seamlessly with Allegro proper and are bundled with the default installation. By default, the library is now hardware accelerated using OpenGL or DirectX rendering backends where appropriate. Effort was made to make the API more consistent and multi-thread safe. These various ports were brought together during the Allegro 3.9 WIP versions, with Allegro 4.0 being the first stable version of Allegro to support multiple platforms.Ĭurrent development is focused on the Allegro 5 branch, a complete redesign of both the API and much of the library's internal operation. A port to Windows, WinAllegro, was created, and also during this time, a Unix port of Allegro, XwinAllegro, was created. Around 1998, Allegro branched out into several versions. As DJGPP was a DOS compiler, all games which used Allegro therefore used DOS. Support for Borland C++ was dropped in version 2.0, and DJGPP was the only supported compiler. However, Hargreaves abandoned the Atari version as he realized the platform was dying, and reimplemented his work for the Borland C++ and DJGPP compilers in 1995. Initially standing for Atari Low-Level Game Routines, Allegro was originally created by Shawn Hargreaves for the Atari ST in the early 1990s. Released under the terms of the zlib license, Allegro is free and open source software. It can run also on top of Simple DirectMedia Layer which is used to run Allegro programs in web browser using Emscripten. Allegro comes with extensive documentation and many examples.Īllegro supports Windows, macOS, Unix-like systems, Android, and iOS, abstracting their application programming interfaces (APIs) into one portable interface. The library is written in the C programming language and designed to be used with C, C++, or Objective-C, with bindings available for Python, Lua, Scheme, D, Go, and other languages. The functionality of the library includes support for basic 2D graphics, image manipulation, text output, audio output, MIDI music, input and timers, as well as additional routines for fixed-point and floating-point matrix arithmetic, Unicode strings, file system access, file manipulation, data files, and 3D graphics. Windows, Linux, macOS, Android, iOS, web browser et al.Īllegro is a software library for video game development.
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