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Questions tagged [minecraft-modding]

For questions about modding Minecraft, regardless of the edition.

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22 votes
6 answers
28k views

How is a 3d perlin noise function used to generate terrain?

I can wrap my head around using a 2d perlin noise function to generate the height value but I don't understand why a 3d perlin noise function would be used. In Notch's blog, http://notch.tumblr.com/...
Xavier's user avatar
  • 1,633
14 votes
2 answers
28k views

Cave generation with Perlin worms

I'm currently trying to generate a Minecraft like voxel terrain with 3D Simplex Noise and also want to implement caves. I found the method of Perlin Worms in this thread, which generates really nice ...
user000user's user avatar
56 votes
5 answers
8k views

How could I implement something like Minecraft's crafting grid?

The crafting system in Minecraft uses a 2x2 or 3x3 grid. You place ingredients on the grid, and if you put the right ingredients in the right pattern, it will activate the recipe. Some interesting ...
David Eyk's user avatar
  • 713
35 votes
7 answers
20k views

How can I improve rendering speeds of a Voxel/Minecraft type game?

I'm writing my own clone of Minecraft (also written in Java). It works great right now. With a viewing distance of 40 meters I can easily hit 60 FPS on my MacBook Pro 8,1. (Intel i5 + Intel HD ...
Martijn Courteaux's user avatar
7 votes
3 answers
6k views

Voxel heightmap terrain editor

I've recently been experimenting with a simple Voxel-based 3d engine (think Minecraft) which uses heightmaps to define terrain in the following format: http://en.wikipedia.org/wiki/Heightmap Does ...
Rory Harvey's user avatar
  • 1,422
14 votes
4 answers
8k views

How can I implement voxel-based lighting with occlusion in a Minecraft-style game?

I am using C# and XNA. My current algorithm for lighting is a recursive method. However, it is expensive, to the point where one 8x128x8 chunk calculated every 5 seconds. Are there other lighting ...
user avatar
11 votes
4 answers
7k views

How do you make Minecraft mods? [closed]

I want to make my own Minecraft mods and I'm wondering what I need to do to get started. Is there any good software or anything for it?
Matthewj's user avatar
  • 265
9 votes
3 answers
8k views

Mods for Minecraft Server - how does it work?

Minecraft server comes as a single jar. How are mods developed? How do they interact with the original jar? What is there under the hood? What technologies are involved there? I'm mostly a C++/Python ...
goodrone's user avatar
  • 193
8 votes
3 answers
13k views

How to handle a Block World like Minecraft

I want to write a simple game with a block world like in Minecraft. My theoretical question is what is the best way to handle this block informations during playing. My first Idea was a huge array but ...
danijar's user avatar
  • 5,741
6 votes
1 answer
4k views

Minecraft-style player-gound collision detection

The title pretty much says it all... (Minecraft is a game consisting of evenly-spaced cubes for terrain, like voxels) Note: I am using C# XNA. I am pretty sure AABB is the way to go, yet I don't know ...
user avatar
3 votes
2 answers
4k views

Bukkit shoot tnt & help with vectors

I want to shoot a piece of tnt from the players face and then let it explode when it hits the target block. ...
HcgRandon's user avatar
  • 192
3 votes
1 answer
26k views

How do I decompile Minecraft?

I'm trying to get started modding Minecraft. I opened up the minecraft.jar file in Eclipse, but it doesn't contain what I expected. In this tutorial the presenter ...
vroomvsr's user avatar
  • 155
28 votes
3 answers
11k views

Random seed function for map generation?

I am looking for a function to generate a random tile-based map as the visual boundaries of the map change (by going through the map). I want the map to be infinitely large, and have maze-like ...
Mathias Lykkegaard Lorenzen's user avatar
27 votes
1 answer
13k views

Is a voxel engine appropriate for a Minecraft-like game?

Why does Minecraft use polygons to draw the world terrain instead of voxels? Would a voxel based rendering engine be appropriate for a fully destructible game world built out of cubes like Minecraft? ...
nahano's user avatar
  • 670
19 votes
3 answers
9k views

What is a good algorithm for fractal-based procedural city layout?

Background I run a minecraft server where I'm going to design a starter city of fairly large scale. I have a series of things, like rule signs and mob cages, I would like to put in buildings there. ...
Ken's user avatar
  • 870
19 votes
3 answers
6k views

How can I generate floating land masses for a Minecraft-like engine?

I am creating a Minecraft-like engine in XNA. What I want to do is create floating islands similar to the one shown in this video: http://www.youtube.com/watch?v=gqHVOEPQK5g&feature=related ...
Darestium's user avatar
  • 1,154
16 votes
1 answer
38k views

How do I add a custom mob to Minecraft?

Basically decided to make my own mob, I have: Created my mob's entity class Created my mobs model class Drawn the model Added the function call for addMapping within the EntityList class I'm stuck ...
user avatar
15 votes
5 answers
2k views

Why is chunk size often a power of two?

There are many Minecraft clones out there and I am working on my own implementation. A principle of terrain rendering is tiling the whole world in fixed size chunks to reduce the effort of localized ...
danijar's user avatar
  • 5,741
15 votes
5 answers
4k views

How to get the blocks seen by the player?

I'm writing a Minecraft-like game using Ogre engine and I have a problem. I must optimize my game, because when I try draw 10000 blocks, I have 2 FPS... So, I got the idea that blocks display of the ...
m4tx's user avatar
  • 427
7 votes
4 answers
11k views

How to find the entity I'm looking at?

I am currently making a mod for Minecraft but I have come to a stop because I am lacking in some knowledge. I need to get data for the entity I am looking at, which I believe requires the use vectors, ...
leafypixiestix's user avatar
5 votes
2 answers
9k views

Texture antialiasing?

In my Minecraft-clone style game, blocks are textured with a border that is lighter then the block color. See picture below: To achieve this effect without the textures being blurry I use this code: ...
Isaac Waller's user avatar
5 votes
3 answers
5k views

Why would someone chose midpoint displacement over perlin noise for 3D terrain generation?

I myself am creating a terrain generation algorithm and would be interested in knowing why others have chosen midpoint displacement over perlin noise. Minecraft is an example where midpoint ...
Xavier's user avatar
  • 1,633
5 votes
1 answer
5k views

Where do I store (or how do I refer to) textures for custom blocks?

I'm making my first foray into Minecraft modding on Ubuntu using Minecraft Forge. I'm finding it a little hard to get started as many of the tutorials seem to refer to older versions of Minecraft (e.g....
user avatar
5 votes
1 answer
5k views

How does Minecraft render its sunset and sky?

In Minecraft, the sunset looks really beautiful and I've always wanted to know how they do it. Do they use several skyboxes rendered over eachother? That is, one for the sky (which can turn dark and ...
Nick's user avatar
  • 1,605
3 votes
2 answers
2k views

Collision Detection problems in Voxel Engine (XNA)

I am creating a minecraft like terrain engine in XNA and have had some collision problems for quite some time. I have checked and changed my code based on other peoples collision code and I still have ...
Darestium's user avatar
  • 1,154
3 votes
3 answers
1k views

Cube world rendering optimizations

I'm making a Minecraft like game and I would like to apply some optimizations. Firstly I didn't and I rendered the world using a vbo in which I stored a cube model and I drow all blocks of the worlds ...
loryruta's user avatar
0 votes
0 answers
532 views

How do i make a minecraft server mod? [duplicate]

Possible Duplicate: Mods for Minecraft Server - how does it work? I have made some minecraft client mods, but i've started a server a mounth ago and i want to make a mod for it, but i cant find ...
Simon's user avatar
  • 1