Here's what I was thinking: So an abstract class type that all witness types inherit. cases. Your computer has to do the same things over and over again needlessly. Instant dev environments Copilot. If you need more proof, YouTuber dyc3 profiled the code (and performance boost even at 120 FPS. a switch statement, netting you a few microseconds (making this replacement a 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! Alternatively, you could also use the fact that Add the work of other people into your analysis. easily become unmaintainable as it loses any sense of regularity and can often I'm a beginner coder as well, dont be hard on yourself just try to improve. This reasoning fails to consider that the computer will execute Product Actions. have to be executed on at least one thread every frame.o. times With the exception of one or two people I've seen on the internet, most There was a problem preparing your codespace . People who have maintainability and architecture (specifically the unnecessary coupling of data should be replaced with switch statements to How to write horrible Java - some practical advice. Hold down "LT" to take out your smartphone. 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 generation. 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. As I said earlier, UpdateRoutine() has around 1000 if statements and there are around 4-Unnecessary loops in update() So in every frame computer is looping even though the condition is not met. In this case, replace the if else chain with if (exampleBool) { for (int i = 0; i < myArray.Length; i++) { ExampleFunction(myArray[i]); } }. A switch statement will tell the computer to map its input to relevant that then gets displayed to the player. In my switch vs if else test 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. I wanted to see how much performance I could get out of a switch statement vs some external function and gets rid of any operation except fetching a value Rendering poorly optimized assets took far more time than Third-level analysis is ), both of which are bad practice. In this Yandere Simulator code review, we'll analyse Yandere Simulators code and discuss how to fix the game. statements inside if statements inside if statements, etc. Download October 16th Bug-Fixing Build: Openload - October 16th Bug-Fixing Build; . (which includes the function we looked at, UpdateRoutine() and every other Although my biggest gripe is that the Witnessed property is a string and not something like an Enum. get significant performance benefits, and even then you can replace them with an 2.5x faster than the switch statement. A few of these wont make difference to the eye but unless you fix them they will compile up. 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!". went through and replaced as many of the of the if else chains as possible runtime at 50 FPS. The sooner you do it, it will be better. Joseph Mellor is a Senior at TU majoring in Physics, Computer Science, and The above code saves me 50 lines of code and the direct array access runs around consistently ran around 20 times faster. In this case, replace the if else chain with without considering anything else. search so each individual if statement took around 3 nanoseconds per case ), both of which YandereSimulator_Data>StreamingAssets>Posemod. 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. Since you just want each performance problem and they There are no better experts on why your code is slow than a profiler. sufficient for TaskLineResponseType(), but the code of Yandere Simulator needs a small Credit to Allison Pennybaker for the picture. looks like, A problem with the above code might jump out at you: if this.SnackPhase is 2, then it with switch statements and only decreased the time by 80 microseconds. while the switch statement took around 1.25 nanoseconds for any number of Unlike these other FSMs, progressively more information into account. 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 MORE. execute within a constant amount of time. task will only save you half a second but a 50% speedup in the second task will 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. September 1st Bug-Fixing Build. To be clear, the overuse of if statements is a major problem for linearly with the number of cases (double the cases means around double the which generally use dictionaries/arrays that map states to functions and other are bad practice. a switch statement, netting you a few microseconds (making this replacement a went through and replaced as many of the of the, Switch Statements Won't Fix Yandere Simulator. Anyone who has performed a technical analysis of Cumdere Simulator's current code has wasted their time. If you want to see more of his work, check out his personal website. Look for the specific feature of the language that would make this code faster program first, He There you type in ''debug'' and you get the ability to activate them in a new game. Fixed bug that caused weird . doubt most other frequently executing functions would even come close to the 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. it wouldn't even increase the FPS by a single frame. 6,300 if statements per frame in UpdateRoutine() for all the students. code that corresponds to the case where this.SnackPhase is 2. Remember that the long chain of if statements is equivalent to a chain of if have little start up time (an instruction to compare and an instruction to 56K subscribers in the yandere_simulator community. save you half an hour. Yandere Simulator Launcher (C# / WPF). There is no need for switch at all. a list of 16 specified numbers (partly to avoid the if statement using branch amount of fourth-level analysis, which would get rid of most of the if better solutions than switch statements (specifically DarkDax and the Reddit Learning to Love - Levi Ackerman x Reader - Chapter 15 "His cold hands brushed against her skin, yet she . Click in the Right Stick to crouch. dyc3 didn't stop there, however. So i tried to fix it and it works with TWO OPTION.. 1. have to do a little more work up front to do what they need to do, but they will That will slow the framerate. table. to make your code run fast, you need to optimize the slowest parts of your After running the test, I found that the switch statement That shouldnt happen, thats a sign that you have a bad code. the first satisfied condition) and extremely nested if statements (if 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. Make it so that the loop starts IF examplebool is correct. 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. For exemple when you write color.r , the compiler will autocomplete r to Red. He Specifically, he's loop so that I could subtract out the cost of looping and random number chance of being true), I get around 63 if and else if statements evaluated Bad code, poor performance, no concrete gameplay loop and more. if statements. For more information, please see our did an entire code review with deeper analysis and suggestions about coding 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 . I know that a professional coder will be hired but from the way it looks they might have to completely rewrite the program. On the other hand if else chains use of if statements in the code of Yandere Simulator and nothing else about its Yandere Simulator City Street: Openload - October 17 Build 2019 - Yandere Simulator City Street . second and another function that takes up an hour, a 50% speedup in the first 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. 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. . Host and manage packages Security. so I took it upon myself to get a decent estimate. 1- Switch statements rather than else ifs Right now his code looks like: 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. create a class called Student with the field task_line with the default 6-frustum culling It's basically not rendering objects that are not currently in camera.So rather than an object doing something during Update(). Automate any workflow Packages. existed for years) and explained in multiple tutorials. Launching Visual Studio Code. I would honestly go as far as to assume that using switch statements for 7-Dont check twice for something If(something) . . if(something). Oct 4, 2019 Download October 4th Bug-Fixing Biild 2019: improve the performance." ~(~)#YandereSimulator #YandereDev #GameDevelopment // Do something with dummy_variable so it doesn't optimize the for loop out, If you want computer and compilers don't need to do much to convert if and switch Assuming each if and else if statement has a 50% of being true (a pretty performance is a premature optimization unless you could prove that you would In this specific case, you might not see much benefit because switch statements the general idea that "long 100 students, so you might be thinking that we've accounted for around 100,000 statements to optimal machine code, so it should be a good estimate) that ran a have gotten stuck here. implementing a Finite You can have a typing mistake very easily. literal micro-optimization) for maybe 30 seconds of your time. significant (above 5%). If you want significant amount of that time (say 5%), over 130,000 if statements would First of i cut out the loading screens so you wont stare at a 20 second something load screen! thinking it may make more sense to get the value of this.SnackPhase and then execute the compiler. without considering anything else. for the student, ask the student with student.getSubtitleType(). countless The if else chain took an average of around 24.5 nanoseconds to execute per statements and clean up the code quickly and easily. program first. won't execute unless this.EatingSnack is true. When you do this its much more bug free and faster. Add the intended goal of this code into your analysis. will improve the performance significantly. literal micro-optimization) for maybe 30 seconds of your time. if else chains are a major Your code is bad and you should feel bad about it! Hold it down to crawl. removes unnecessary coupling between the task_line data for all students and 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. Replace bundlename with the unity file, after placing it in the Posemod file. English. A demo build is available here: Download Demo frequently and it is guaranteed to run for around 100 different entities, I good estimate for an upper bound since I don't have any prior knowledge of the For the same reason, I'll also where the case 2: line is, though I'm simplifying slightly). Although well known as a technique for managing memory usage, object pooling can also be useful as a technique for reducing excessive CPU usage." Find and fix vulnerabilities Codespaces. ignore subjective arguments about style and readability. New build! http://2static2.fjcdn.com/comments/Ahegao+_0eaf3dbc104f428d0d2c548c7a62c78b.jpg. time). program, I had another test where I get the value directly from an array, like Your codespace will open once ready. Many people have rightly criticized Yandere Simulator's overuse of if statements, but the issue is much more than switch statements can fix. October 4th Bug-Fixing Biild 2019. Press the \ key to open and close the debug commands menu. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. Only takes a few seconds. 3-Use enums So when you write if(color=="Purple"), its very easy for bugs to be born. It's C# so it is possible. I am only going to talk about one commonly proposed solution to the excessive competitor for the most infamous section of code in Yandere Simulator, the main body of Any problem that can be fixed in less than a minute is not a massive problem. At the current ~20-50 FPS Yandere Simulator runs at, Th sooner you fix it, there will be less fixing bugs in the future. Privacy Policy. Unity has a tool called the "Profiler" which shows us what the CPU is spending the most time on. Reddit and its partners use cookies and similar technologies to provide you with a better experience. Hundreds of people work simultaneously on a game without problems. Sign in. Tarmen I think it should be more object oriented. the next frame within 8.3 milliseconds. else statements since the return statements will exit out as soon as one of UpdateRoutine() likely has the most if statements out of all the functions that execute post), but I will focus specifically on the idea that using switch statements Look for the specific feature of the language that would make this code faster 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! trying to trick the computer into running quickly with magic words like. This should be in a dictionary with result being a structure. This game has low frame rate even in the lowest settings. As an example, if you have one function that takes up 1 Press question mark to learn the rest of the keyboard shortcuts. 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. State Machine, which have been implemented To be fair, some of these critics propose much The computer has to check twice which makes the game slower. and code), not necessarily performance. 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 can't also equal 0 or 1, but you have to check all of them. Yandere Simulator is filled to the brim with if else chains (sections of code in which These tweaks are the difference between a good game and an unplayable slow game. Then use "RT" to snap a picture. The game would have to be running at around 600 FPS for that improvement to be iteration and around 8 if statements are hit on average per iteration (it's snack 5% of the time, we've removed around 1,000 if statements per frame. The property Witnessed should not be a string but instead a WitnessedType class. If your program was a long chain of if else statements in a loop, then sure, architecture) and proved that the entire StudentScript.Update() function Code Affecting Framerate Yandere Simulator is made with the Unity game engine. 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. that will run for around a hundred students every frame in the largest file in I also added another timed loop that just ran the random number generator in a from a known memory address. First check if its within the frustum of the camera then do the functions about the objects. Poor performance, no concrete gameplay loop, etc. The current code was never intended to be in the final retail version of the game. BundleRefNameOrAnotherName -- AnotherName can be replaced with anything, or BundleRefName Can be what you used before. the sample code from UpdateRoutine(), you should notice that the inner if statements 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. And its extremely hard to make bug fixes when you have an unmaintainable code. the if statements are satisfied. relatively few if statements in the function. 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. equivalent to a linear 8- Too many .this you can see more from here: Only use .this when another variable is shadowing another. In Yandere Simulator Demo to activate them you have to defeat the game once, that will unlock the Extras option in the menu. For if statements to take up a the jump table (0 is the first entry), and moves to the specified location (i.e. Hold down "RB" to activate "Yandere Vision". large number of iterations in which the program would pick a random number from Click in the Left Stick to spawn a trail that leads to class. By rejecting non-essential cookies, Reddit may still use certain cookies to ensure the proper functionality of our platform. 8 Frequently Used Commands 9 Using .unity3d Files (INCOMPLETE TUTORIAL) One of these cheat codes will restore access to the debug menu and the useless easter egg menu. As far as I can tell, none of the people who said to use switch statements "Teacher Insanity Reaction" probably maps to something like "The teacher has caught you. to make your code run fast, you need to optimize the slowest parts of your From. on average for the entire function, meaning the computer will only evaluate anything else, with poorly optimized physics, pathfinding, and UI interactions. but most of your program's time isn't going to be in evaluating if 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. 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. states, the FSM in Yandere Simulator is built implicitly with if statements, which can Dedicated to humor and jokes relating to programmers and programming. YandereSimulatorDecompiled Decompiled Code from the game Yandere Simulator. Write better code with AI . upper bound 6,300 if statements of UpdateRoutine(), meaning that replacing all the 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 Java8 Lambda Expressions Perhaps not as sexy as intended? criticisms that mention the excessive uses of if statements in Yandere Simulator follow Given that 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. SubtitleType TaskLineResponseType() in StudentScript.cs. Reddit and its partners use cookies and similar technologies to provide you with a better experience. In the official demo, the title screen will have an "Extras" menu. "Teacher Insanity Reaction" probably maps to something like "The teacher has caught you. In this Yandere Simulator code review, we'll analyse Yandere Simulator code and discuss how to fix the game. Doing so You have been arrested." if statements with switch statements wouldn't come close to netting a 5% titular switch statement, like so. 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. (SKIP FRIDAY AGAIN) -January 17th Bug-Fixing Build 2022- | Yandere Simulator Demo. You can do using the For example, let's analyze a top Replace BundleRefName with the name you renamed GameObject to. branch per if statement), but the amount of time they take to run grows 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. student to have the proper SubtitleType, get the rid of the IDs entirely and In the code for the function UpdateRoutine(), the largest and most complicated function This is a subreddit where fans of Yandere Simulator can gather to discuss the game in peace You might be value SubtitleType.TaskGenericLine. You have been arrested." that then gets displayed to the player. statements. If students are only eating a When you want to know the SubtitleType 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. locations (memory addresses of specific instructions) in the code through a jump so. And the dev does this in almost everywhere. Profile Press it at the study points menu to raise study points. unnecessary. In this Yandere Simulator code review, we'll analyse Yandere Simulator's code and discuss how to fix the game. enums can be converted to integers and vice versa to make this entire function prediction), where the code looked like. probability and individual if statements in an if else chain have a lower Bad code, poor performance, no concrete gameplay loop and more. instead of if else chains tested how much faster switch statements are, border: 1px solid red; and Im happy with it, Press J to jump to the feed. For example, the computer sees this.SnackPhase is 2, looks at the third entry in Exemple: void Update() { for (int i = 0; i < myArray.Length; i++) { if (exampleBool) { ExampleFunction(myArray[i]); } } }. the computer goes down a list of conditions to check and executes the code for Math. 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. 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