Valve began its own platform development in 2002, using the working names "Grid" and "Gazelle". They approached several companies, including Microsoft, Yahoo!, and RealNetworks, to build a client with these features, but were declined. Through user polls at the time of its announcement in 2002, Valve also recognized that at least 75% of their users had access to high-speed Internet connections and realized they could deliver game content faster directly to players than through retail channels. They decided to create a platform that would update games automatically and implement stronger anti-piracy and anti-cheat measures. Valve was looking for a better way to update its published games, as providing downloadable patches for multiplayer games resulted in most of the online user base disconnecting for several days until players had installed the patch. Steam's success has led to the development of the Steam Machine gaming PCs in 2015, including the SteamOS operating system and Steam Controller Steam Link devices for local game streaming and in 2022, the handheld Steam Deck tailored for running Steam games. By 2021, the service had over 34,000 games with over 132 million monthly active users. By 2017, game purchases through Steam totaled about US$4.3 billion, or at least 18% of global PC game sales according to Steam Spy. The service is the largest digital distribution platform for PC gaming, with an estimated 75% of the market share in 2013 according to IHS Screen Digest. The platform's storefront also offers other digital content and Valve gaming hardware, including productivity software, game soundtracks, videos and VR headset Valve Index. Mobile apps to access online Steam features were first released for iOS and Android in 2012. Initially developed for Microsoft Windows operating systems, Steam was released for macOS in 2010 and Linux in 2012. Many game publishers began distributing their titles on Steam that year. Valve released a freely available application programming interface (API) called Steamworks in 2008, which developers can use to integrate Steam's functions into their products. Steam client's functions include game update automation, cloud storage for game progress, and community features such as direct messaging, in-game overlay functions and a virtual collectable marketplace. Steam offers various features, like digital rights management (DRM), game server matchmaking with Valve Anti-Cheat measures, social networking, and game streaming services. It was launched as a software client in September 2003 to provide game updates automatically for Valve's games, and expanded to distributing third-party titles in late 2005. These changes raised the game to a brand-new level and allowed to capture the atmosphere in a conceptually new dimension.Steam is a video game digital distribution service and storefront developed by Valve Corporation. Then I worked on a system of modules for FlowGraph to improve the system of particles and other game logic. Firstly I updated the system of ballistics. In addition, I used some of the parts of this algorithm to create volume (parallax) dirt on the windows.Īt some point, when the art director was satisfied with the quality of graphics in the project, I started to breathe life into the project and add the logic to the system. Implementation of it was necessary in order to visualize the most realistic post-apocalyptic interiors: volumetric realistic dust, pieces of fallen plaster, debris. I believe that development of the Parallax Decals is one the greatest achievements of the project. Another big leap for the project was when I improved the filtering algorithm of Screen Space Ambient Occlusion. I made a large improvement to Shadow Cascades and Point Light Shadows, allowing them to blend nicely with surrounding environment. The game is using a dark palette of colors with high desaturation, thus high attention was paid to the game shadows.
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