Questions tagged [minecraft-modding]

For questions about modding Minecraft, regardless of the edition.

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-4
votes
2answers
680 views

What's the difference between an .nbt and an .mca file?

What do I have to do if I want to save a .nbt file as .mca file? I got a byte array and all the data is OK. If I save the contents as a .nbt file I can open and view it with NBTExplorer. If I save it ...
3
votes
1answer
660 views

How animated block in voxel engine?

In my voxel engine (XNA 4.0) I'm use a vertex buffer for the entire chunk and update it after the set block, changing block metadata or light level. This is not too frequent operation compared with ...
0
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2answers
1k views

Calculating pitch angle to hit a target using a projectile that has fixed speed

I am trying to calculate a vertical angle needed to hit a target at [distance, elevation] 2D coordinates relative to shooter given a fixed projectile velocity, air ...
1
vote
2answers
201 views

How do I get to ModPE to perform a function the first time a mod is opened?

I am making a Minecraft PE mod and I want to set a variable only on the first launch of the mod. So, how do I make it it set the variable and then not set it again until I import the mod again?
2
votes
2answers
9k views

How does Minecraft render chunks? [duplicate]

I'm writing a simple Minecraft like game to test out a few world gen algorithms and to learn more about OpenGL. My first render code was glBegin() ... glEnd() style....
1
vote
1answer
998 views

How can I check if player is an operator in Forge?

In Minecraft Forge, I would like to know if there is any way to find out if a player currently has vanilla "OP" / "Operator" status. I can't find a method that does this on the EntityPlayer Class. I'...
3
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1answer
1k views

Minecraft Modding - How do I use OpenGL stencil functions alongside the game's GlStateManager?

Note: I am using Minecraft Coder Pack 9.10 for game version 1.8.0 (official release). I am trying to make a multiline text field similar to the game's original net.minecraft.client.gui.GuiTextField. ...
0
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1answer
1k views

Minecraft Forge setTextureName method not working

I am attempting to make an item using the latest version of Forge. For some reason, the setTextureName method gives me an error that says: The method setTextureName(String) is undefined for the ...
2
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0answers
217 views

(Minecraft) MoveHelper for custom entity not updating

I'm trying to create a shark mob for minecraft 1.8 (using Forge 1.8). Since it's a water mob, the movement functions need to be edited to allow it to path correctly in water. However, after ...
2
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2answers
7k views

What makes Minecraft so CPU intensive, and what could be done to improve it? [closed]

Recently I've been searching for VPSes that allow Minecraft servers to be hosted, and surprisingly very few do. Most allow for games - but Minecraft in specific is disallowed by many. Now it's fairly ...
1
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1answer
2k views

Minecraft Forge Look for Entities in a Certain Location

The title mostly explains it. I have a tile entity that is called Energizer. I want this energizer to check to see if there is an EntityItem on top of it and if so, consume it and create energy. The ...
3
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0answers
229 views

Does anyone know what technique was used in Minecraft to create shadows? [closed]

Specifically I want to know the technique used to render shadows under animals and players. I would like to create shadows like that for my own block game but I don't even know what to google. Any ...
0
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2answers
1k views

Storing a block world

I've gotten a basic Minecraft clone working (thanks to gamedev.stackexchange's help! ^_^), but know I have no idea how to save the file. Minecraft itself uses a naive list of block ids as far as I ...
-2
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1answer
496 views

Is Minecraft component-based or does it have class for every block? [closed]

I'm wondering if Minecraft has class for every type of block or blocks are just IDs in code. EDIT And what about data like transparency, resistance, hardness, tool, etc? Are they hardcoded or stored ...
0
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1answer
99 views

What are names like "net.minecraft.blocks" called? [closed]

I'm trying to find these types of names for certain Minecraft blocks to add them to a block whitelist for one of my mods. Is there an actual name for these? If not, how would I go about finding a list ...
2
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1answer
254 views

Is there a way to drain durability from an item instead of a sword, for instance?

I am modding Minecraft 1.8 using Eclipse with Forge, and I just wondered, is there a way to drain durability from a battery, for instance, instead of a piece of armor when hit. I have tried things ...
1
vote
1answer
118 views

Creating a queue for BeginInvoke method - loading chunks

I have a voxel game similar to Minecraft. I have a funciton PushLoadedChunks(Direction) that pushes all of the loaded chunks forward, backward, left, right. This is done with sfd.BeginInvoke(...
0
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1answer
351 views

Sending block chunks through TCP

I am creating a 'Minecraft clone' and the game is going to be only multiplayer. I currently have a limited world (it's not going to be infinite) that is 512 chunks. Each chunk is 16(X) * 16(Z) * 128(...
-1
votes
1answer
745 views

minecraft source code for use in mods

So I am teaching a class where we will be using java to make minecraft mods. To keep things simple, we are using a third party program to set up the under-the-hood stuff for us (that way we don't have ...
1
vote
1answer
338 views

Minecraft - how do I add a PNG for a new Mob to either assets or resourcepacks

I've installed MCP and set up eclipse and successfully added my new monster to the game. It spawns properly and does everything I meant it to do. The only problem I still have is that the texture that ...
2
votes
0answers
919 views

How do I make a Minecraft recipe that costs XP?

I want to program a Minecraft client-mod or server-plugin that adds a recipe for making a Bottle o' Enchanting with the following ingredients: 1 glass bottle + 1 lvl of experience → 1 Bottle o' ...
0
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1answer
480 views

minecraft mapping from tibia OTBM file

I am new to minecraft modding but i program for a living and it looks quite simple to get around. I have this fantasy and a quick internet search shows im not the only one. For those of you who do not ...
-2
votes
1answer
671 views

MCP 1.7.10 Java class navigation [closed]

So, I'm new to the Minecraft modding community and trying to understand where to start. I've attempted to do it before, but dropped it to the complexity of starting and the lack of a site like this to ...
0
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2answers
444 views

How can I read a portion of one Minecraft world file and write it into another?

I'm looking to read block data from one Minecraft world and write the data into certain places in another. I have a Minecraft world, let's say "TemplateWorld", and a 2D list of Point objects. I'm ...
0
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1answer
1k views

What kind of algorithms could I use to generate biome borders like in Minecraft? [duplicate]

After I've found this post I'm curious what kind of algorithms they use to generate these shapes (second image). I can't imagine that the basic shapes are basing on a perlin or simplex noise or a ...
1
vote
1answer
761 views

TileEntitySpecialRenderer only renders from certain angle

I'm developing a Minecraft mod with Forge. I've added a tileentity and a custom renderer for it. The problem is: The block is only visible from sertain angles. I've compaed my code to other peoples ...
4
votes
1answer
4k views

How do I get the number of online players in a Minecraft server from outside the client?

I know that the Minecraft client can query the server for number of players and maximum players, even when the server properties has enable-query set to ...
3
votes
1answer
23k 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 ...
8
votes
3answers
1k views

How to load stacking chunks on the fly?

I'm currently working on an infinite world, mostly inspired by minecraft. A Chunk consists of 16x16x16 blocks. A block(cube) is 1x1x1. This runs very smoothly with a ViewRange of 12 Chunks (12x16) ...
6
votes
5answers
2k views

How to make blocks like "redstone" working in a minecraft-like game when the chunks are not loaded

I'm working on a 2D minecraft-like game, I use chunks to save my world and each chunk has 128*128 blocks in it. And infinite chunks can create an infinite world. Memory should never be infinite and ...
2
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1answer
1k views

How can I mod Minecraft 1.7.9?

I've looked up a lot of tutorials on YouTube and all of them only work for versions of Minecraft prior to 1.7.9. I first got a Minecraft Coder Pack (MCP) off of this website, but then realized that ...
-2
votes
1answer
210 views

How does the minecraft main menu play a "movie" [closed]

I've been wondering for a while, and been doing a lot of research on the subject: how does the main menu in minecraft play a "video". As far as i can tell, it's not a .gif, it appears to be a movie. ...
0
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2answers
595 views

What can I do about a "missing mcp.cfg" error?

I am trying to use MCP. After trying to run decompile.sh, I manually ran decompile.py, getting the error "...
1
vote
0answers
378 views

Create multiple viewports in minecraft?

Im new to minecraft modding, but Im curious about the possibility of creating a mod such that players could set up a 'security camera' with its own viewport so that the player could 'see what the ...
2
votes
2answers
320 views

Why aren't ModLoader's decompiled files showing up?

I want to start making a Minecraft 1.6.4 mod, but have this trouble with ModLoader: I've run the decompile.bat batch file, but when opening the ...
2
votes
1answer
302 views

Rasterizing parametric solids in Minecraft voxel space

I'm trying to render giant procedurally generated trees in Minecraft. I have code that generates a tree model and represents it parametrically as a collection of cones and spheres using vectors and ...
5
votes
1answer
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....
0
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2answers
1k views

Create a tornado like particle movement, based on velocity

For context i'm using Java and Minecraft Forge, however the concept should be fairly standard. To spawn particles you use this function... ...
0
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0answers
1k views

How can I get the entity a player is looking at in a Bukkit plugin?

I'm creating a wizardry plugin for Minecraft, and I was wondering how you would get the entity that a player was looking at, I know that you would have to use a ...
3
votes
2answers
1k views

Why Minecraft has such a terrible backward compatibility? [closed]

For every release of Minecraft, even a minor release, is almost guaranteed to break some plugins or mod. Why is this so? I am asking this so that we could avoid the same architecture problem as ...
1
vote
0answers
332 views

Block With Given ID Does Not Exist - Minecraft Mod

I have tried to make my own Minecraft Block using Forge, but for some reason, when I use /give Playerxxx 1000 1 the game says, <...
4
votes
3answers
2k views

How do I add a method to a class without editing the source file?

I am trying to add a method to a Minecraft source file, but I have to figure out how to do it without actually editing the source files, as it would be illegal to redistribute Minecraft's source files ...
6
votes
4answers
10k 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, ...
-2
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2answers
440 views

Procedural World Generation [duplicate]

How does Minecraft generate it's texture (ex. which block is grass and which one is stone)?
0
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1answer
2k views

Voxel Performance

So Im trying to make a minecraft style voxel game to learn OpenGL, but Im running into performance issues. I found this thread : https://stackoverflow.com/questions/4995652/3d-occlusion-culling where ...
5
votes
1answer
36k views

Why is Minecraft's default resolution (seemingly) non-standard? [closed]

Background: I'm writing some articles on Minecraft in an attempt to introduce 10-year olds to development through modding. I know very little about the game itself, though :) I'm trying to understand ...
0
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2answers
1k views

Best way to read expandable voxel world (hashmap) such as in Minecraft

I'm building a 3D multiplayer Roguelike-style engine (tile and turn-based) and I'd like to make the worlds virtually "infinite", similar to what you would see in Minecraft. I'm storing data in a ...
3
votes
1answer
4k views

How can I gain access to a player instance in a Minecraft mod?

I'm creating Minecraft mod with a pickaxe that takes away experience when you break a block. The method for taking away experience from a player is addExperience on ...
3
votes
2answers
2k views

How can I mod an item to take experience from a player in Minecraft?

I am creating a mod that has invincible tools which take experience from the player each time they are used. Can someone please tell me how to make the tools take away the experience when used?
0
votes
1answer
5k views

How can I extract a list of Minecraft items and recipes?

I'm designing a robust system for resolving item dependencies in Minecraft and to do so, I need to maintain a database of items and recipes. Right now, this database has to be hand-crafted (no pun ...