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Logic World Wednesdays: Steady Progress

Jimmy


UI work This week I did the first serious work on menu design for Logic World. I overhauled the Selection Menu, which you use to select the components that appear on your hotbar. Before:
After:
Im pretty happy with the overall design elements: rounded rectangles, mostly in neutral tones with some splashes of color for highlights. Im using the selection menu as a study to figure out what I want the rest of the games menus to look like. On the subject of the selection menu, I added the ability to search it. This can be really useful if youve got a lot of mods installed. https://www.youtube.com/watch?v=YPIohAjnDFM Pick Component I added a new shortcut for managing your hotbar called Pick Component. Middle clicking on a component in the world will add that component to your hotbar if its not already there and select it. https://www.youtube.com/watch?v=Y1BEQJxTx5s Not shown in the video is two more advanced features of Pick Component. If you hold ctrl when you press the button, the picked component will replace the component in your currently selected hotbar slot, rather than adding a new one. Conversely, if you hold shift, the picked component will be inserted at the position of the currently selected hotbar slot, rather than being inserted at the end of the hotbar. Rounding In Logic World, the position and rotation of objects in the world are stored as floating point numbers. This makes them very performant, but floating point numbers have a disadvantage: they are subject to rounding. If youre a programmer and youve worked with floats before youve probably seen them have a value of 0.99999823 when they should just have a value of 1. This tiny amount of rounding is usually no big deal, but in logic world the errors were accumulating over time. Particularly in worlds where you have deeply nested chains of boards placed on other boards, the position of objects could sometimes be off by a noticeable amount.
Notice how the inverter in this picture is slightly offset from the grid. To fix this, Im now rounding the position and rotation of every object in the game: positions are rounded to the nearest millimeter (along all 3 axes) and rotations are rounded to the nearest tenth of a degree (again along all 3 axes). This extra rounding is too small to be seen in-game unless youre looking closely, but its big enough that it cancels out any errors we get from floating point shenanigans. Everything in Logic World is now exactly where it should be. Numeric Component Types Each component in Logic World has a type. There are Inverters, Delayers, and XOR gates, to name a few. Before this week, component types were stored internally as pieces of text. That meant that, depending on the length of the type name, component types could take up 15 or even 20 bytes! Now, however, Ive refactored the system so that component types are all stored as two-byte numbers. Each save file has a unique relationship between component types and the numbers. For example, the number 18 might represent an XOR gate on one save file, but it might represent an inverter on another save file. This means that mod authors dont have to make sure theyre not using the same number as another mod when they add a component type; the game will automatically give them a number that is not already in use by the save file. As a result of this, save file size - and by extension, the time it takes to save and load the game - has been reduced by about 20%. The amount of bandwidth used when playing online has been similarly reduced. Board Resizing Bug Fixes If you watched the previous two videos on Board Resizing, you probably noticed that there was an annoying visual flicker whenever the board was resized. Ive fixed that and board resizing is nice and smooth now. Previously, if you resized a board that had components attached to it, the position of those components would get screwed up. This is because behind the scenes, resized boards are changing their position, and the attached components were not properly taking this into account. Ive fixed the math and it all works nicely now.

Felipe (aka pipe01)


This week I wanted to polish out some things that I had left out on the website, those being emojis not rendering correctly and user pages not working. Whenever you inserted an emoji into a comment or a post itd show a ? instead, which made me think that there was some encoding issues. I began investigating the database and found that they were being stored as question marks there, so the problem was in the database. I set the collation for all tables to utf8mb4_general_ci and tried again, and emojis were working properly now! I also fixed user pages requiring you to be logged in in order to see them, it was an easy fix. On the game side, Ive implemented synchronous RPC calls. Before this, whenever a mod called an RPC method it would be a fire-and-forget situation, where the mod had no way to know whether or not the server had received and processed the call. This is probably enough for most things, but there may be some cases where this is undesirable. Synchronous means that the mod code will now wait for the server to send back an acknowledgement before continuing execution, which allows for more complex synchronization between clients and server! On the topic of waiting, Ive added a loading screen for mods. Mods were being loaded in the main thread, which meant that the screen wouldnt update until all mods were loaded. This worked fine, but it didnt allow for any graphics in the meantime. Now, mods are loaded in a separate thread, allowing the game to monitor the loading and inform the user! --------- If youd like to receive an email each time we post one of these blogs, you can sign up for our newsletter. Be sure also to wishlist Logic World on Steam, join the official Discord and follow @LogicWorldGame on twitter. See you next Wednesday! View this post on logicworld.net. https://store.steampowered.com/app/1054340/Logic_World/


[ 2019-05-16 00:51:41 CET ] [ Original post ]



Logic World
Mouse Hat Games
  • Developer

  • Mouse Hat Games
  • Publisher

  • 2021-10-22
  • Release

  • Simulation Singleplayer Multiplayer Coop
  • Tags

  • Game News Posts 106  
    🎹🖱️Keyboard + Mouse
  • Controls

  • Very Positive

    (269 reviews)


  • Review Score

  • https://logicworld.net/
  • Website

  • https://store.steampowered.com/app/1054340 
  • Steam Store



  • Logic World - Linux [1.75 G]

  • Public Linux depots

  • Build. Program. Simulate. Logic World teaches you how circuits do math.

    Key Features


    • Digital Logic - Build circuits that work the same way real world computer chips do.
    • Challenges - Solve puzzles from simple logic gates to complex machines like calculators and data storage.
    • Multiplayer - Logic World is built from the ground up for collaborative multiplayer. Take on Challenges with your friends or build together freely in Sandbox mode.
    • Performance - Build massive circuits and simulate them at thousands of updates per second - all without lag.
    • Modding - Logic World features powerful modding tools - the same tools the developers are using to make the game.
    • Online Hub - Players can upload their builds, mods, and custom challenges and share them with other players.

    MINIMAL SETUP
    • OS: Ubuntu 14.04
    • Processor: 2.4GHz Quad CoreMemory: 8 GB RAM
    • Memory: 8 GB RAM
    • Graphics: Intel HD Graphics 4000 or AMD Radeon R5 series
    • Storage: 2 GB available spaceAdditional Notes: system requirements might be adjusted before release
    GAMEBILLET

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