Comment Dofus Unity POURRAIT être fluide

DISCOVERY Space Empire

18 Aug 202410:41

Summary

TLDRIn this video, the creator addresses criticism about their approach to game development, particularly concerning inventory optimization in 'Dofus.' They demonstrate a realistic inventory system with 10,000 unique items, explaining technical solutions like 'lazy scrolling' to manage large datasets efficiently. The video also showcases server-client interactions, emphasizing the importance of modern development practices for better performance, even under real-world internet conditions.

Takeaways

📹 The creator felt compelled to make a second video to address criticism and misunderstandings about their work.
🎨 They clarified that they are critiquing optimization issues in a game development context, not the overall game design.
🛠️ The video includes a demonstration of a more realistic scenario to showcase the efficiency of their approach to object handling in game development.
🌟 The creator has generated low-definition sprites for thousands of different objects to avoid manual downloading and to illustrate the point about optimization.
📈 They explained the concept of 'less scrolling', a technique to create the illusion of a large number of items being scrolled through while only instantiating a manageable amount.
💡 The video demonstrates how to efficiently handle a large inventory of items in a game, such as in an auction house scenario.
🔍 The creator implemented a system to filter and display the cheapest items in each category, simulating a real-time auction house experience.
📊 They showed how to handle a large number of simultaneous sales and maintain performance by keeping the data in RAM.
🌐 The video includes a live demonstration of making HTTP requests to a server, filtering items, and updating the inventory in real-time.
🛑 The creator emphasized the importance of server optimization, suggesting that Dofus's servers could benefit from modern development practices.
🔧 The script concludes with a call for server-side improvements rather than just client-side updates, to ensure a smooth and efficient gaming experience.

Q & A

What was the main reason for creating a second video?
-The main reason for creating a second video was to clarify and demonstrate more realistically the points made in response to debates and criticisms in the comments and on the Kama post, where people claimed that the creator's actions were nonsensical and that they didn't understand the subject matter.
What is the purpose of creating numerous sprites for objects?
-The purpose of creating numerous sprites for objects is to have a variety of images for an inventory system without having to manually download each object, allowing for the display of 10,000 different objects with varying quantities.
What technique is used to make the inventory scrollable with a large number of items?
-The technique used to make the inventory scrollable with a large number of items is called 'less scrolling', where only the number of items needed to fill the screen are instantiated, and as the user scrolls, the first items are removed and new ones are added, creating the illusion of a large, scrollable list.
How does the 'less scrolling' technique work when scrolling through items?
-The 'less scrolling' technique works by updating the displayed items as the user scrolls, without actually instantiating new objects. It renames the existing objects to give the impression of scrolling through a large number of items, while in reality, a limited number of objects are being reused.
What is the significance of filtering the cheapest items for each category in the inventory system?
-Filtering the cheapest items for each category is significant because it allows the system to quickly select and display the most affordable options to the user, enhancing the user experience by providing relevant and cost-effective choices.
How does the system handle a large number of sales transactions simultaneously?
-The system handles a large number of sales transactions simultaneously by keeping the objects in RAM and filtering them as needed. This approach allows for quick access and manipulation of the data, even with a large volume of transactions.
What is the purpose of making a HTTP request to filter items based on user input?
-The purpose of making an HTTP request to filter items based on user input is to dynamically retrieve and display items that match the user's criteria from the server, providing a personalized and responsive user experience.
What is the latency experienced when making a request to a real server and how does it affect the system?
-The latency experienced when making a request to a real server is 22 milliseconds, which is considered good, especially considering the public Wi-Fi connection. This latency affects the system by adding a delay to the response time, but it remains acceptable for the operation of the inventory system.
How does the system ensure a smooth scrolling experience for the user?
-The system ensures a smooth scrolling experience by instantiating only a small number of objects and updating their properties as the user scrolls, rather than creating and destroying objects, which makes the scrolling appear fluid and responsive.
What is the main criticism of the Dofus server code in the context of the video?
-The main criticism of the Dofus server code is that it has not been updated with modern development methods and remains outdated, similar to a server from the Flash era, which could be improved by adopting more current practices.
What is the goal of the video in terms of technical demonstration?
-The goal of the video is to demonstrate the technical aspects of creating a responsive and efficient inventory system, showcasing the capabilities of handling a large number of objects and transactions with minimal latency and resource usage.

Outlines

00:00

😀 Addressing Criticisms and Demonstrating Efficient Optimizations

The speaker begins by addressing criticisms that their previous video was nonsensical and lacking understanding. To counter this, they aim to provide a more realistic demonstration of the optimizations they critiqued, which are supposed to be efficient. They explain that they have created numerous sprites for various objects, such as 1000 different grains, cereals, wings, and legs, totaling around 10,000 unique objects. The purpose of generating these low-definition sprites was to avoid manually downloading objects and to showcase a diverse inventory. The speaker also discusses the limitations of displaying a large number of objects in a scrollable list and introduces the concept of 'less scrolling' to maintain performance while giving the illusion of a large inventory. They conclude this section by demonstrating a table setup for an item sale, including quantity, price, label, and expiration date, and explain how they filter and display items for sale in a server-like environment, highlighting the efficiency of their approach even with a large number of objects.

05:01

😲 Implementing Smooth Scrolling and Efficient Data Handling

In this paragraph, the speaker focuses on the technical implementation of a smooth scrolling interface for a large inventory, despite having a limited number of instantiated objects. They describe a technique where only a subset of objects is displayed at any given time, and as the user scrolls, the objects are dynamically renamed to give the impression of a continuous scroll. This method, known as 'less scrolling,' is shown to be highly efficient and fluid for the user experience. The speaker also discusses the server-side operations of a game like Dofus, explaining how different workers handle various tasks and how their implementation mimics these server behaviors. They demonstrate the speed and efficiency of their system, even when using a real internet connection and a remote server, by showing how quickly objects are filtered and displayed in real-time. The speaker also touches on the potential for optimizing server queries to reduce load and improve performance.

10:01

🛠️ Technical Reflections and Suggestions for Dofus Server Improvements

The speaker wraps up the video by reflecting on the technical aspects they've discussed and expressing their awareness of other issues that Dofus might be facing. They mention that the server code has not been updated with the Unity port, which they find regrettable. The speaker's main suggestion is for the developers to adapt their server methods to more modern development practices, rather than maintaining outdated server structures from the Flash era. They hope that their demonstration and suggestions will be well-received and conclude the video with a note of optimism for future improvements.

Mindmap

Keywords

💡Optimizations

Optimizations refer to the process of making something more efficient or effective. In the context of the video, the speaker is critiquing certain optimizations that are supposed to improve performance but may not be functioning as intended. The script mentions creating 'sprites' in a low definition to optimize inventory management, demonstrating the speaker's focus on practical improvements in game development.

💡Sprites

In digital imaging and game development, a sprite is a two-dimensional image or animation that is integrated into a larger scene. The video script discusses the creation of numerous sprites for game objects, such as 'wings,' 'grains,' and 'legs,' to represent different items in the game inventory, illustrating the speaker's point about the quantity and variety of game assets.

💡Inventory Management

Inventory management is the process of tracking and controlling the items within a game's inventory system. The script describes the speaker's approach to managing a large number of game objects, mentioning the creation of 10,000 different items and the challenges of displaying them without overloading the system, which is central to the video's theme of technical critique.

💡Scrolling

Scrolling in the context of user interfaces refers to the ability to move through content that is larger than the display area. The video discusses a technique called 'less scrolling,' where only a subset of items is displayed at a time, giving the illusion of a larger inventory. This is a key point in the speaker's demonstration of efficient inventory display.

💡HTTP Request

An HTTP request is a message sent from a client to a server to request access to a resource. In the script, the speaker describes using an HTTP request to filter and retrieve game objects from a server, showcasing the interaction between client and server in a game's architecture.

💡JSON

JSON (JavaScript Object Notation) is a lightweight data-interchange format that is easy for humans to read and write, and for machines to parse and generate. The video script mentions using JSON to return filtered game objects, highlighting the use of JSON in data transmission within game development.

💡Dofus

Dofus is a reference to a specific game, likely the subject of the technical critique in the video. The speaker mentions 'Dofus' in the context of server performance and client updates, indicating that the game is the focus of the discussion about technical improvements and server optimization.

💡Server Workers

In the context of server architecture, workers are separate processes that handle different tasks or functions. The speaker discusses how Dofus Unity servers might be separated into workers for managing combat, transitions, and sales, which is relevant to the video's theme of backend optimization.

💡Database

A database is a structured set of data held in a computer, especially one that is accessible in various ways. The script refers to creating objects in a database and retrieving them, which is a fundamental aspect of game development and the management of game assets.

💡Coroutine

A coroutine is a computer program that generalizes subroutines for non-preemptive multitasking, by allowing its execution to be suspended and resumed. The video mentions using a coroutine in Unity to initialize the inventory after the layout is set, which is an example of the technical details the speaker is addressing.

💡Unity

Unity is a cross-platform game engine developed by Unity Technologies, widely used for creating interactive games and experiences. The video script frequently mentions Unity, indicating that the technical discussion is centered around the development process and optimization within this specific game engine.

Highlights

The creator addresses criticism and misunderstandings about their work, aiming to clarify their stance on certain optimizations.

A demonstration of a more realistic approach to show that the critique is focused on supposed optimizations.

Creation of numerous low-definition sprites for objects to avoid manual downloading, showcasing a large inventory system.

Explanation of the inventory system containing 10,000 different objects with varying quantities.

Introduction of 'less scrolling' technique to manage a large number of objects efficiently on the screen.

Modification of a sales table to include quantity, price, label, and expiration date for a more realistic sales environment.

Discussion on the technical feasibility of handling 1 million objects in an inventory and the limitations of scrollable lists.

Implementation of a server-side operation to filter and display the cheapest items in each category for sale.

Use of HTTP requests to filter objects in real-time based on user input, demonstrating server-client communication.

Demonstration of the speed and efficiency of server communication even with a large number of objects and high latency.

Explanation of the 'less scrolling' technique in action, showing how it provides a fluid scrolling experience with a limited number of instantiated objects.

Technical discussion on how the server for Dofus Unity might be structured with separate workers for different tasks.

Critique of Dofus Unity's server-side code, suggesting it has not been updated with modern development methods.

Presentation of a method to dynamically load object images based on their names for a seamless user experience.

Analysis of the performance of the system when scrolling through a large dataset, highlighting the realism of the scroll.

Discussion on the potential benefits of adapting server operations to modern development practices for better efficiency.

Final thoughts on the importance of technical clarity and the desire for improved server adaptation in game development.