![]() Places blocks of dirt from 1 to the calculated height, followed by a blockĬhosen depending on the color of the corresponding pixel - water or grass. Gives a nice max hills height of 25 blocks, so there should be a loop that The algorithm is quite simple really: for each pixel of the original image,ĭetermine its color (blue or green) and brightness. Program that my daughter actually wrote herself turned out to be less than 100īy that time, we had mastered loops and tables and the project seemed doable. (painted blue) and grass (painted green). Hand-drawn map, where height is represented by brightness, there’s water We chose this project: a mod that is capable of generating a world out of a ![]() Had large enough community, and mods in Lua Minetest that appeared to be quite like Minecraft, So instead, I started looking for an open-sourceĪlternative, found a few and decided to use ![]() Mod, but that turned out to be hard and borderline illegal due to decompilation Since my daughter liked playing Minecraft, we thought of doing something like a This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.Teaching programming with Lua: a Minetest mod The WE schematics can be loaded using the //load command in WorldEdit. DownloadsĪll files are available under the same license as this article. How about an enclosure?Īfter all, you can't have a world without blimps. The clock as it is right now doesn't look very good, with all those wires showing. The displays update automatically as time passes by. The only thing left to do is ensure the Digilines signal reaches all the displays: The field names should seem rather familiar - they are the same ones that we used in the displays! Mem.accept = )Īfter calculations, it sends off a Digilines signal with all the digits packed into a table. Changing the Luacontroller code to work with other orientations is an exercise left for the reader.įor the sake of completeness, here is the code inside each Luacontroller on the leftmost display (the ones column of the minutes): While the machine can be built in any orientation, I will assume we are using the one shown. Note that port A faces the lightstone and port C faces the camera in the image above. Well this is a nice display and all, but there's one big problem with it - it doesn't display anything! Let's remedy that situation:Įach digit display has been wired up to a standard seven segment driver supporting the digits 0-9, since that's all we really need. We want the clock to look as nice as possible. When we get to the programming section, there will be a more detailed overview of how to deal with coverting this time into the one we're more used to. The thousands place and above denotes the hour in 24-hour notation, while the hundreds place and below denotes a fraction of that hour. However, this time isn't just in a standard time format it's represented as fractional hours. Now, whenever you send a digilines signal on that channel, using "GET" as the message, it will in turn send a digilines signal on that same channel, but with the current time as the message. How does it work? When you plonk an RTC down, you can right-click it to set the channel: The RTC, short for Real Time Clock, is a Digilines device that allows you to obtain the current (in-game) time of day. Step 1: Designīefore we build anything, let me explain how the Digilines RTC works. This clock will never need adjustment and works even if you use the /time command! This is made possible using the Digilines RTC. It is still possible to complete it without this mod, but replacing its functionality with fancy wiring is an exercise left to the reader.ĭon't you ever wish you had a clock in-game while playing Minetest, just to keep track of all the time you're wasting? Need a timepiece for the top of the main tower in town hall? Let's build one! This article assumes you have the Digilines mod, which I generally consider a de facto part of Mesecons.
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