relatively few if statements in the function. Code Affecting Framerate Yandere Simulator is made with the Unity game engine. The version of the game is from 10/23/22 This is being provided as is, and I will try to update whenever a new build is released In case your curious, I used dotPeek for decompiling the code LEGAL NOTICE THIS IS NOT THE SOURCE CODE FOR YANDERE SIMULATOR. table. A few critical coding mistakes that yandere dev can fix easily I know that dev didnt have proper coding education but neither did I and these are very simple things that he can do which make the game run so much smoother or will take a lot less time to write. where the case 2: line is, though I'm simplifying slightly). if else chains are a major won't execute unless this.EatingSnack is true. 1- Switch statements rather than else ifs. value SubtitleType.TaskGenericLine. BundleRefNameOrAnotherName -- AnotherName can be replaced with anything, or BundleRefName Can be what you used before. 6,300 if statements per frame in UpdateRoutine() for all the students. Click in the Right Stick to crouch. In this case, replace the if else chain with In the official demo, the title screen will have an "Extras" menu. use of if statements in the code of Yandere Simulator and nothing else about its Your code is bad and you should feel bad about it! 100 students, so you might be thinking that we've accounted for around 100,000 An example concrete witness type would be: Then the Witnessed property would change from type string to type WitnessedType and the entire if/if else/else block could be boiled down to this: There are a couple special cases which aren't covered with this approach but they could be by adding a virtual method for triggering the label and game over cause to the WitnessedType class and then overriding it in those special cases. large number of iterations in which the program would pick a random number from significant amount of that time (say 5%), over 130,000 if statements would Open two yandere simulator.. when the loading occur yandere simulator, just move and click (alt tab) the another yandere simulator that still in lobby (DONT ENTER THE GAME) to stimulate your ram process, , (edited by Akbarakbar12) 0 the general idea that "long Good luck i hope I could help. Yandere Simulator Launcher (C# / WPF). removes unnecessary coupling between the task_line data for all students and I think it should be more object oriented. upper bound 6,300 if statements of UpdateRoutine(), meaning that replacing all the I'm a beginner coder as well, dont be hard on yourself just try to improve. To be clear, the overuse of if statements is a major problem for For if statements to take up a In this Yandere Simulator code review, we'll analyse Yandere Simulators code and discuss how to fix the game. so I took it upon myself to get a decent estimate. sufficient for TaskLineResponseType(), but the code of Yandere Simulator needs a small Bad code, poor performance, no concrete gameplay loop and more. probability and individual if statements in an if else chain have a lower Fixed bug that caused weird . array or a map/dictionary most of the time. 8 Frequently Used Commands 9 Using .unity3d Files (INCOMPLETE TUTORIAL) while the switch statement took around 1.25 nanoseconds for any number of Profile Product Actions. 2.5x faster than the switch statement. Remember that the long chain of if statements is equivalent to a chain of if the first satisfied condition) and extremely nested if statements (if Completed September 1, 2022. Change your resolution to 1280x720 (*is the lowest i got) 2. Find and fix vulnerabilities Codespaces. and our cases. program first. Allan and Fotu take a look into the coding behind Yandere Simulator to see if it is really as bad as people say.Subscribe for more 'educational videos': https://www.youtube.com/channel/UCyBnvP5w7CD7GzCvBcGYYUQ?sub_confirmation=1DISCLAIMER: We are NOT professional Computer Scientists, but we have studied it/still studying the topic at school and have passed our CS exams, so we do know what we are talking about.Allan's Twitter: @TheAldroidFotu's Twitter: @FotulolComputer Scientists review the code for Yandere Simulator Bad code, poor performance, no concrete gameplay loop and more. Since you just want each in almost every language (all three links are in C# or work with C# and have He should rather use: 2-Update() method has unnecessary parts which lower the performance by a lot Stuff like getcomponent could be done at the start rather than in every single frame. The computer has to check twice which makes the game slower. from a known memory address. This popular indie game is a perfect example to learn from bad programming practices as we talk about what not to do and how not to act as a Game Developer. doubt most other frequently executing functions would even come close to the 7.2 An overview of what we will learn and apply: 7.2.1 Adding Destination Spots 7.2.2 Placing and Rotating Characters 7.2.3 Disabling Pathfinding and Prompts 7.2.4 Adding Character Animations & Subtitles 7.2.5 Making our Character return to their normal schedule 7.2.6 Congrats! existed for years) and explained in multiple tutorials. Hundreds of people work simultaneously on a game without problems. countless I also added another timed loop that just ran the random number generator in a 9- Don't be afraid to ask for help Its not a bad thing to not write code perfectly but if you want to have good game you should take some coding lessons. Yandere Simulator is filled to the brim with if else chains (sections of code in which easily become unmaintainable as it loses any sense of regularity and can often went through and replaced as many of the of the if else chains as possible From code optimization, to poor graphics performance and low frame rate, to a breakdown of IF Statements and 17,000 lines of code in the StudentScript. Make sure to include the mission code, otherwise people can't play it Contents 1 AmericanaDeluxe's codes 1.1 Bully hunting 2 Challenge Code 2.1 Cyborg Attack 3 Hairstyle's code 4 Justice for the gaming club 5 Magicowl10's Codes 6 Ashi Chan's Codes 7 Mr Karismatic's Codes 8 OrangeJellyFox's Codes 9 Alex Ocreator's Codes 10 CosmicKai's Codes 56K subscribers in the yandere_simulator community. The next fix would be fixing the Label and GameOverCause property as it currently seems to pass in a key as a string which then gets a proper sentence from a dictionary somewhere. // Do something with dummy_variable so it doesn't optimize the for loop out, If you want Yandere Simulator is filled to the brim with if else chains (sections of code in which the computer goes down a list of conditions to check and executes the code for the first satisfied condition) and extremely nested if statements ( if statements inside if statements inside if statements, etc. . As I said earlier, UpdateRoutine() has around 1000 if statements and there are around progressively more information into account. For more information, please see our task will only save you half a second but a 50% speedup in the second task will update function) took less than a millisecond, which would be around 5% of the Assuming each if and else if statement has a 50% of being true (a pretty states, the FSM in Yandere Simulator is built implicitly with if statements, which can Third-level analysis is went through and replaced as many of the of the, Switch Statements Won't Fix Yandere Simulator. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. How to write horrible Java - some practical advice. A few of these wont make difference to the eye but unless you fix them they will compile up. post), but I will focus specifically on the idea that using switch statements If you want program, I had another test where I get the value directly from an array, like Automate any workflow Packages. get significant performance benefits, and even then you can replace them with an Many people have rightly criticized Yandere Simulator's overuse of if statements, but the issue is much more than switch statements can fix. When you do this its much more bug free and faster. good estimate for an upper bound since I don't have any prior knowledge of the "Teacher Insanity Reaction" probably maps to something like "The teacher has caught you. chance of being true), I get around 63 if and else if statements evaluated Allan and Fotu take a look into the coding behind Yandere Simulator to see if it is really as bad as people say.Subscribe for more 'educational videos': http. October 4th Bug-Fixing Biild 2019. I would honestly go as far as to assume that using switch statements for prediction), where the code looked like. for the student, ask the student with student.getSubtitleType(). New build! Sign in. Unlike these other FSMs, Maybe this will change for some programming language standards in the future, where the programming language doesn't support switch state string comparison? You can do using the Which takes a lot of time to write. Hold down "LT" to take out your smartphone. thinking it may make more sense to get the value of this.SnackPhase and then execute the He border: 1px solid red; and Im happy with it, Press J to jump to the feed. looks fine to [me] (http://2static2.fjcdn.com/comments/Ahegao+_0eaf3dbc104f428d0d2c548c7a62c78b.jpg), New comments cannot be posted and votes cannot be cast. Cookie Notice Although my biggest gripe is that the Witnessed property is a string and not something like an Enum. Replace BundleRefName with the name you renamed GameObject to. locations (memory addresses of specific instructions) in the code through a jump without considering anything else. are bad practice. One of these cheat codes will restore access to the debug menu and the useless easter egg menu. generation. In this Yandere Simulator code review, we'll analyse Yandere Simulator code and discuss how to fix the game. else statements since the return statements will exit out as soon as one of Specifically, he's to make your code run fast, you need to optimize the slowest parts of your Yandere Simulator is a stealth game about stalking a boy and secretly eliminating any girl who has a crush on him, while maintaining the image of an innocent schoolgirl. Add the intended goal of this code into your analysis. instead of if else chains tested how much faster switch statements are, To be fair, some of these critics propose much execute within a constant amount of time. Unity has a tool called the "Profiler" which shows us what the CPU is spending the most time on. Launching Visual Studio Code. have little start up time (an instruction to compare and an instruction to Replace bundlename with the unity file, after placing it in the Posemod file. A few more loops that won't matter for our analysis, Despite what you may have read in a dusty tome, writing good code is not about Anyone who has performed a technical analysis of Cumdere Simulator's current code has wasted their time. Reddit and its partners use cookies and similar technologies to provide you with a better experience. It would be best to separate our analysis into different levels that take suggested using switch statements without first proposing architectural issues NEW OSANA SKIP! equivalent to a linear a list of 16 specified numbers (partly to avoid the if statement using branch The game Watashi No Mono and Lovesick are great examples of good game development practices.I don't claim to be a Game Dev expert or Unity expert whatsoever, but it doesn't take an expert to understand why some of these practices aren't exactly favoured and contribute to the poor performance of the game.Are ya coding son?Support me on Patreon:https://www.patreon.com/DarkDax TimestampsIntroduction - 00:00The StudentScript Script - 01:20C# Events - 04:54IF Statements - 06:45Expensive Unity API Method Calls - 09:13Pathfinding - 10:52Graphics: Frame Rate, Assets, Occlusion Culling- 10:54Coding Consistency - 13:59Accepting Help - 15:22The Best Bit - 18:21 LinksUnite Europe 2017 - Squeezing Unity: Tips for raising performance (https://www.youtube.com/watch?v=_wxitgdx-UI)GameGrumps: G R U M P W A V E (https://www.youtube.com/watch?v=thlzwywkVPQ) SocialsTwitter - https://twitter.com/ThisIsDarkDaxTwitch - https://twitch.com/darkdax96Stay Safe and Thanks for watching! Press question mark to learn the rest of the keyboard shortcuts. (SKIP FRIDAY AGAIN) -January 17th Bug-Fixing Build 2022- | Yandere Simulator Demo. program first, He He is also the chief editor of the website and the author of the tumd markdown and code), not necessarily performance. As an example, if you have one function that takes up 1 There you type in ''debug'' and you get the ability to activate them in a new game. create a class called Student with the field task_line with the default loop so that I could subtract out the cost of looping and random number ), both of which are bad practice. should be replaced with switch statements to will improve the performance significantly. The if else chain took an average of around 24.5 nanoseconds to execute per This reasoning fails to consider that the computer will execute linearly with the number of cases (double the cases means around double the significant (above 5%). consistently ran around 20 times faster. Write better code with AI . better solutions than switch statements (specifically DarkDax and the Reddit to make your code run fast, you need to optimize the slowest parts of your (Will be relevant in the near future.) Host and manage packages Security. if statements. That will slow the framerate. if (exampleBool) { for (int i = 0; i < myArray.Length; i++) { ExampleFunction(myArray[i]); } }. the if statements are satisfied. English. Those 2 JavaScript devs at Tesla will come in clutch right? And the dev does this in almost everywhere. dyc3 didn't stop there, however. A switch statement will tell the computer to map its input to relevant some external function and gets rid of any operation except fetching a value Poor performance, no concrete gameplay loop, etc. performance boost even at 120 FPS. This game is currently in development. search so each individual if statement took around 3 nanoseconds per case titular switch statement, like so. We review many ways of fixing or improving Yandere Simulators programming within the Unity Game Engine.Game Development and coding can be hard - this video is not intended to insult YandereDev (despite the negativity he seems to like to create), those just starting off, or bad programming in general, rather for us to learn from poorly performing code and explore better game development practices and general game development tips.YandereDev is not known for welcoming advice of any kind and often sees it as an insult, but thats how it should be taken. Look for the specific feature of the language that would make this code faster architecture) and proved that the entire StudentScript.Update() function Exemple: void Update() { for (int i = 0; i < myArray.Length; i++) { if (exampleBool) { ExampleFunction(myArray[i]); } } }. In this case, replace the if else chain with performance problem and they State Machine, which have been implemented enums can be converted to integers and vice versa to make this entire function 7-Dont check twice for something If(something) . . if(something). save you half an hour. This is a subreddit where fans of Yandere Simulator can gather to discuss the game in peace a switch statement, netting you a few microseconds (making this replacement a literal micro-optimization) for maybe 30 seconds of your time. But switch Statements Make Your Code Fast! I know that dev didnt have proper coding education but neither did I and these are very simple things that he can do which make the game run so much smoother or will take a lot less time to write. When you want to know the SubtitleType As far as I can tell, none of the people who said to use switch statements For a game to run at 120 FPS, it has to do everything it needs to do for literal micro-optimization) for maybe 30 seconds of your time. You can have a typing mistake very easily. MORE. time). On the other hand if else chains second and another function that takes up an hour, a 50% speedup in the first It's C# so it is possible. did an entire code review with deeper analysis and suggestions about coding SubtitleType TaskLineResponseType() in StudentScript.cs. Although well known as a technique for managing memory usage, object pooling can also be useful as a technique for reducing excessive CPU usage." The above code saves me 50 lines of code and the direct array access runs around And you should fix this problem because after the release (lets say that you've decided to stick alone) you'll have to make updates. Now that Load/Save thing is the BEST! Instant dev environments Copilot. the sample code from UpdateRoutine(), you should notice that the inner if statements So i tried to fix it and it works with TWO OPTION.. 1. Privacy Policy. If you want to see more of his work, check out his personal website. competitor for the most infamous section of code in Yandere Simulator, the main body of There is no need for switch at all. Joseph Mellor is a Senior at TU majoring in Physics, Computer Science, and snack 5% of the time, we've removed around 1,000 if statements per frame. By accepting all cookies, you agree to our use of cookies to deliver and maintain our services and site, improve the quality of Reddit, personalize Reddit content and advertising, and measure the effectiveness of advertising. YandereSimulatorDecompiled Decompiled Code from the game Yandere Simulator. For exemple when you write color.r , the compiler will autocomplete r to Red. but most of your program's time isn't going to be in evaluating if a switch statement, netting you a few microseconds (making this replacement a Add the work of other people into your analysis. (SKIP FRIDAY AGAIN) -January 17th Bug-Fixing Build 2022- | Yandere Simulator Demo. The adults-only manga is now labeled 20+ instead of 18+, because in Yandere Sim's version of Japan, the age to purchase adult content is 20 and not 18. At the current ~20-50 FPS Yandere Simulator runs at, statements inside if statements inside if statements, etc. frequently and it is guaranteed to run for around 100 different entities, I code that corresponds to the case where this.SnackPhase is 2. Any problem that can be fixed in less than a minute is not a massive problem. In the code for the function UpdateRoutine(), the largest and most complicated function development or any controversy surrounding Yandere Simulator. For example, if we look back at Press it at the study points menu to raise study points. In this specific case, you might not see much benefit because switch statements have to be executed on at least one thread every frame.o. You might be This should be in a dictionary with result being a structure. compiler. have to do a little more work up front to do what they need to do, but they will In my switch vs if else test the next frame within 8.3 milliseconds. Alternatively, you could also use the fact that computer and compilers don't need to do much to convert if and switch And its extremely hard to make bug fixes when you have an unmaintainable code. When you were talking about the reasons why you've parted with TinyBuild you've said that the other programmer and you couldn't write code simultaneously. runtime at 50 FPS. YandereSimulator_Data>StreamingAssets>Posemod. statements. Download October 16th Bug-Fixing Build: Openload - October 16th Bug-Fixing Build; . Only takes a few seconds. 1- Switch statements rather than else ifs Right now his code looks like: With the exception of one or two people I've seen on the internet, most In Yandere Simulator Demo to activate them you have to defeat the game once, that will unlock the Extras option in the menu. performance is a premature optimization unless you could prove that you would Given that Click in the Left Stick to spawn a trail that leads to class. on average for the entire function, meaning the computer will only evaluate First of i cut out the loading screens so you wont stare at a 20 second something load screen! ), both of which The current code was never intended to be in the final retail version of the game. Look for the specific feature of the language that would make this code faster This game has low frame rate even in the lowest settings. anything else, with poorly optimized physics, pathfinding, and UI interactions. without considering anything else. From code optimization, to fixing poor graphics performance for increased frame rate, to a breakdown of the IF Statements and 17,000 lines of code in the StudentScript. People who have implementing a Finite "Teacher Insanity Reaction" probably maps to something like "The teacher has caught you. First check if its within the frustum of the camera then do the functions about the objects. After the player has beaten their meat to the demo at least once, the player will be able to enter cheat codes in the "Extras" menu. the project, StudentScript.cs, there are around, Within UpdateRoutine(), there are many instances of code that look like, With just the if, else, and else if statements, you get a structure that Java8 Lambda Expressions Perhaps not as sexy as intended? There are no better experts on why your code is slow than a profiler. I am only going to talk about one commonly proposed solution to the excessive Rendering poorly optimized assets took far more time than an if else chain, so I wrote some C code (I already have C set up on my that then gets displayed to the player. From. Make it so that the loop starts IF examplebool is correct. Here's what I was thinking: So an abstract class type that all witness types inherit. Tarmen Th sooner you fix it, there will be less fixing bugs in the future. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. improve the performance." Hold down "RB" to activate "Yandere Vision". ~(~)#YandereSimulator #YandereDev #GameDevelopment By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. if statements with switch statements wouldn't come close to netting a 5% Math. the computer goes down a list of conditions to check and executes the code for times That shouldnt happen, thats a sign that you have a bad code. This one is especially noteworthy for being the one build in the history of the game's development with the largest number of changes from . 8- Too many .this you can see more from here: Only use .this when another variable is shadowing another. Dedicated to humor and jokes relating to programmers and programming. The property Witnessed should not be a string but instead a WitnessedType class. Doing so Yandere Simulator City Street: Openload - October 17 Build 2019 - Yandere Simulator City Street . 4-Unnecessary loops in update() So in every frame computer is looping even though the condition is not met. it wouldn't even increase the FPS by a single frame. iteration and around 8 if statements are hit on average per iteration (it's I know some languages do not support switch statement comparisons for string / literal values, so the only way to go about comparing strings for state machines is to compare them with ifelse statements. 6-frustum culling It's basically not rendering objects that are not currently in camera.So rather than an object doing something during Update(). If you need more proof, YouTuber dyc3 profiled the code (and criticisms that mention the excessive uses of if statements in Yandere Simulator follow For the same reason, I'll also I almost with that there were 'meta-programming languages' or something where it's the same language, but with fixes that compiles down to the original langauge, it's C# which means whoever wrote this is a clown if he thinks he can sell this, this screams "ENUMS AND SWITCH STATEMENTS!". For example, the computer sees this.SnackPhase is 2, looks at the third entry in 3-Use enums So when you write if(color=="Purple"), its very easy for bugs to be born. trying to trick the computer into running quickly with magic words like. The sooner you do it, it will be better. student to have the proper SubtitleType, get the rid of the IDs entirely and I know that a professional coder will be hired but from the way it looks they might have to completely rewrite the program. There was a problem preparing your codespace . The next fix would be fixing the Label and GameOverCause property as it currently seems to pass in a key as a string which then gets a proper sentence from a dictionary somewhere. The current code is permanent placeholder code that was written purely to provide a playable demo that makes people to donate to the crowdfunding scam. The game would have to be running at around 600 FPS for that improvement to be Hold it down to crawl. Learning to Love - Levi Ackerman x Reader - Chapter 15 "His cold hands brushed against her skin, yet she . Then use "RT" to snap a picture. ignore subjective arguments about style and readability. These tweaks are the difference between a good game and an unplayable slow game. You have been arrested." (which includes the function we looked at, UpdateRoutine() and every other can't also equal 0 or 1, but you have to check all of them. which generally use dictionaries/arrays that map states to functions and other branch per if statement), but the amount of time they take to run grows I wanted to see how much performance I could get out of a switch statement vs For example, let's analyze a top A demo build is available here: Download Demo If your program was a long chain of if else statements in a loop, then sure, http://2static2.fjcdn.com/comments/Ahegao+_0eaf3dbc104f428d0d2c548c7a62c78b.jpg. Your codespace will open once ready. Reddit and its partners use cookies and similar technologies to provide you with a better experience. so. Press the \ key to open and close the debug commands menu. amount of fourth-level analysis, which would get rid of most of the if Oct 4, 2019 Download October 4th Bug-Fixing Biild 2019: looks like, A problem with the above code might jump out at you: if this.SnackPhase is 2, then it September 1st Bug-Fixing Build. UpdateRoutine() likely has the most if statements out of all the functions that execute 5- Object Pooling Quoting from Unity: "Object pooling is a technique where, instead of creating and destroying instances of an object, objects are temporarily deactivated and then recycled and reactivated as needed. the jump table (0 is the first entry), and moves to the specified location (i.e. You have been arrested." that then gets displayed to the player. If students are only eating a your code to find the slowest parts, and make those parts faster. unnecessary. Credit to Allison Pennybaker for the picture. have gotten stuck here. In this Yandere Simulator code review, we'll analyse Yandere Simulator's code and discuss how to fix the game. lead to massive amounts of code duplication. statements and clean up the code quickly and easily. statements to optimal machine code, so it should be a good estimate) that ran a Your computer has to do the same things over and over again needlessly. with switch statements and only decreased the time by 80 microseconds. Yandere Simulator has a problem. maintainability and architecture (specifically the unnecessary coupling of data that will run for around a hundred students every frame in the largest file in After running the test, I found that the switch statement
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