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Decomp & Disassembly Tutorials & Resources icon

Decomp & Disassembly Tutorials & Resources

Get your start with tutorials and code snippets for your decompilation-based hacks including pokered, pokecrystal and pokeemerald.

Section Staff: Dr. Seuss, Upsurge, Avara, Bloodless

Promoted

Featured: Quest Menu

Thread created May 3rd, 2020

Promoted

Featured: Follow Me NPC code

Thread created March 18th, 2020

Promoted

PoryMap - map editor for Pokémon GBA decompilations

Thread created April 4th, 2018

Promoted

Polished Map - edit maps for pokecrystal and pokered

Thread created November 1st, 2019

Simple Modifications Directory

(9 pages)

Mkol103, Jan 22: Ok, so Switching AI #2 has two problems that I'm aware of. #1: Sometimes, the mon the Pokemon switches to isn't the best one, and then they will immediately switch to a better one. #2: If no Pokemon is good, then the AI will switch between them over...

211 57,720

Started by Avara

Pokeemerald

Battle Engine Upgrade

(7 pages)

Zeroth, Nov 10: This is gonna be a rather specific question. I'm using this expansion as reference, and I was looking at the implementation of Roost. Why does it reserve an array of 3 elements to store the user's types? The first two positions make sense, but so...

155 44,388

Started by DizzyEgg

PoryMap | Map Editor for the Disassembly and Decompilation Projects

(3 pages)

Jessler, Oct 24: I used PoryMap's function to import tilesets from my hack I originally started on binary from AdvanceMap. I took the metatiles and everything, and it looks fine in-game. But when I actually compile it, the tiles are totally messed up. Here's an...

70 20,182

Started by Lunos

Rules

Decomp & Disassembly Tutorials & Resources Forum Rules

Avara, Aug 29: *Decomp & Disassembly Tutorials & Resources Forum Rules* Forum Rules This forum is bound by rules set in the global PokéCommunity Rules To make sure that things remain civil, and to make sure that everyone has an enjoyable time, we ask that, along...

0 784

Started by Avara

Pokeemerald

Unique surfing overworlds

wally-217, Jan 22: I actually got all of Gen 1 and 2 done with a few others but then I got fixated on another personal project. I've been looking for something easy but productive to do so I'll probably finish gens 3 and 4 over the week.

22 6,930

Started by slawter666

[Tutorial] How to build Pokeruby/Pokeemerald using devkitPro's MSys2

(2 pages)

BiggestGuyUUUU, Jan 21: The make install command isn't working for me. I'm on mac. Everything up to there works properly. My home folder contains clean installations of pokeemerald and agbcc.

26 9,150

Started by Lunos

Pokeemerald

How to start a project using DizzyEgg's works

(5 pages)

Lunos, Jan 21: -Moved the instructions to solve the merge conflict at include/constants/hold_effects.h to the 6th step of the tutorial (the one in which the user pulls the item_expansion branch). -Added instructions to solve the merge conflict at...

120 14,461

Started by Lunos

[TUTORIAL] Decomp - From start to finish

(2 pages)

TheRisingSean, Jan 20: Hiya I might have it somewhere, but im working on a tutorial as we speak, sorry for the delayed response, not had access to a pc for a while

43 10,938

Started by TheRisingSean

Pokeemerald

How To Add, Edit, And Understand Music in Pokeemerald

WiserVisor, Jan 18: You are quite right! I was using an old version of pokeemerald that didn't have songs.mk, so I wasn't aware that was even a thing. I tested it out, and it worked like a charm. I'll add what I've learned to the tutorial.

9 323

Started by WiserVisor

Pokeemerald

Resource: a video of all front animations in Emerald

Mkol103, Jan 14: Great video! Any chance you could do the back animations as well?

2 698

Started by Bidoof

Pokeemerald

Bad Data: "Canonical" effects of the downpour weather condition

ThomasWinwood, Jan 10: "Bad data" is the term used by the protocrystal website to refer to code and data drawn from the leaked source code which sheds light on what Gamefreak originally intended to do with unused and unreferenced code and data left over in the final game....

0 122

Started by ThomasWinwood

Pokeemerald

Decomp Trainer Editor

Meister_anon~Master_o f_None, Jan 6: Thanks for the tip, I'll go ahead and create a new thread for that while I look into what you said, I'd appreciate it if you stop on by if you have the time/will.

22 3,806

Started by Disturbo

Pokeemerald

[TUTORIAL] Replacing Overworlds and adding Unique Palettes

Hanu P, Jan 5: Hey! This tut need to be modified a little... In here: {gEventObjectPalette_<PALETTE NAME>, EVENT_OBJ_PAL_<PALETTE NAME>}, change this to {gEventObjectPalette_<NAME OF THE SPRITE YOU ARE MODIFYING>, EVENT_OBJ_PAL_<PALETTE NAME>}, eg:...

1 2,776

Started by vxo

[Tutorial] How to build the decomps using WSL (Win10)

(2 pages)

itzAmber, Dec 31: It worked! This is a fantastic tutorial TYSM!

44 7,943

Started by Lunos

Pokecrystal

[Tutorial] How to build Pokecrystal using Cygwin (64 Bits)

Lunos, Dec 27: Explained as simply as possible and straight to the point. You guys know me. The reason why I'm writing this tutorial is because I never managed to build rgbds from the source, which is a roadblock as it's mandatory to build a ROM with Pokecrystal....

0 131

Started by Lunos

Pokeemerald

Inserting Custom Sprites

Hanu P, Dec 19: how?

13 6,586

Started by Avara

[Pokefirered + Pokeemerald] Quest Menu

Martyk, Dec 17: (EDIT) Never mind, I found the problem. sub_81983AC has been renamed to Menu_InitCursor. I'll leave the comment here for if anybody else runs into the same problem. Hi, I would really like to add this because this is simply an amazing feature!...

7 3,401

Started by ghoulslash

USUM Data Files for Pokedex Expansion

Buffel Saft, Dec 8: Just added gen 8 cries to the resource, including cries for all the DLC mons and forms. Probably won't bother adding other gen 8 data for now, as that'll be covered by the RHH Pokemon expansion.

24 6,488

Started by Buffel Saft

Soft EXP Level Caps

GandalfTheGreen, Dec 6: Oh lmao sorry, seems I'm barking up the wrong tree. I'll see myself out

21 3,872

Started by PokemonCrazy

Pokecrystal

[Tool] Polished Map 4.5.4 and 2.5.4++: a pokecrystal and pokered map editor

Rangi, Nov 22: Polished Map 4.5.4 and 2.5.4++ is just a bugfix release so that creating a new map doesn't crash. It also adds a one-time warning when you first save a tileset with more than 128 blocks, since a pokecrystal bug needs fixing to allow that. ...

11 8,651

Started by Rangi

Pokeemerald

PokedexPlus in HGSS style

TheXaman, Nov 19: Thanks you, making those stats accessible to player was my main reason to remake the dex.

8 1,105

Started by TheXaman

Pokeemerald

DexNav (with Detector Mode!)

Hestia, Nov 15: ghoulslash You are nothing short of awesome. I like most of the features you create. Very impressive!

6 1,933

Started by ghoulslash

Pokeemerald

Remove having to reel in while Fishing

NobodySociety, Nov 9: Generation 3 changed how fishing worked. Originally, when you went to fish, it would play the animation, determine if you caught something, alert the player, and then enter the battle. In gen 3, except FireRed and LeafGreen, this changed to having...

0 380

Started by NobodySociety

Pokeemerald

Battle Transitions Guide

mgriffin, Oct 28: It's which palette to use. There are 16 of them, and I guess battle transition palettes must be loaded as the 16th (i.e. F, from 0–F)

6 2,043

Started by Avara

Pokeemerald

Tile inserting & animating tutorial

Toby13, Oct 27: Is the third part still on the way?

17 5,982

Started by Lyzo

Pokemon Expansion

(2 pages)

Jessler, Oct 17: Oh awesome! Thank you so much!

40 15,196

Started by DizzyEgg

nichruby: a clean reimplementation of the pokeruby disassembly

Dr. Seuss, Oct 11: Lunos is right. This thread doesn't belong here so I moved it to the correct area. And I really like the resource. It will be useful for anyone interested in Pokeruby. Good luck with the project

4 2,152

Started by Alexander Nicholi

Pokeemerald

Scripting Tutorial

(3 pages)

tchap, Oct 3: How do I tell the game to start a double battle when you're in sight of two trainers at once?

55 17,467

Started by Avara

Pokeemerald

Add routes as Fly destinations

Time to fly — a quick guide to adding routes you can fly to.
Hiroshi Sotomura, Sep 27: And hey, if you followed this guide to the end, do note that I forgot to add a switch statement for the Pokénav. Added an "edit" relating to MAPSECTYPE_ROUTE_CANFLY in src/pokenav_region_map.c that you should totally check out so the Pokénav...

1 503

Started by Hiroshi Sotomura

Move Tutor Expansion

Robbeeertooo, Sep 27: I think next week I will try to do everything according to the tutorial. Of course, I only used PHP, but it's never too late to try to learn something new.

4 2,692

Started by Buffel Saft

More Bag Pockets

ocean, Sep 16: You are based, I was just about to do this today Thank you!

19 3,511

Started by AsparagusEdu

[TUTORIAL] Set Trainer's Pokémon's Levels dynamically

vxo, Sep 12: You should be more specific with where this needs to be pasted, because "above" could be interpreted as: dynamicLevel -= rand_diff + PartyLevelAdjust; gBattleTypeFlags |= gTrainers.doubleBattle; and not how it's intended to be:

9 4,211

Started by Diego Mertens

Pokeemerald

Capture/Battle Combos

Diego Mertens, Sep 11: Hi! Sometime ago, when I graduated from a Whack a Hack! RGSS scripting school, I made a Catch Combo system for Essentials. And now, I ported it to pokeemerald! (big codes are put in spoilers for easier access and navigation through the page) This...

0 396

Started by Diego Mertens

Boss Battle Balancing

WiserVisor, Sep 11: I think I forgot to add in the src/battle_setup.c sections that you need to add #include "load_save.h" #include "item.h" along with all of the other #include's. You'll also need to add void GiveBackItemsAndBerries(void); to the end of...

3 1,234

Started by WiserVisor

Original Starter Selection

LordDebino, Aug 7: Original Starter Selection in pokeemerald Youll want to go to data\maps\mapyouwant and open scripts.inc, scroll to the bottom then copy and paste this script. @LordDebinos Original Select Satrter (OgSS) @-Grass...

0 689

Started by LordDebino

Follow Me

Upsurge, Jul 2: Just tried it. Got to say, wow. Great work!

18 5,102

Started by ghoulslash

[Tutorial] How to build Pokeruby/Pokeemerald using Cygwin (64 Bits)

(2 pages)

Upsurge, Jun 30: Ah, thanks! I highly appreciate you even giving me this much time. For some reason, I am just afraid of using Decomp. But anyways, you have been a great help. Thanks again!

28 6,060

Started by Lunos

Sideways Stairs

resetes12, Jun 29: Actually, I made it work. It was just the "Follow Me" code, I just manually removed as you did in your latest commit and now side way stairs work. I did nothing else, so that was it. Thanks!

6 2,146

Started by ghoulslash

[TUTORIAL] Adding new map sections for name popups and region map

felipenx, Jun 4: thanks so much for this tutorial. follow your step i can fix a error whit the porymap region editor

1 1,760

Started by Samug

[Tutorial] Adding new prizes at BF's Exchange Corner

Robinlukke, May 17: Since it took me forever to find which files I had to modify in order to make this work, I decided to make a tutorial so you don't have to waste your time looking for them. In this tutorial I'm adding new items as available prizes (the Regi trio...

0 551

Started by Robinlukke

[Pokefirered] Item Expansion

ScizorBlade, May 7: Alright, I already had set that in mind. Thanks.

5 1,598

Started by ghoulslash

[pokefirered] TM/HM Expansion & Reusable TMs

ghoulslash, Apr 17: It shouldn't if you have REUSABLE_TMS defined in include/constants/items.h. Check TMCase_ItemPrintFunc to modify if you need to.

2 1,493

Started by ghoulslash

Pokecrystal

Guide to Scripting for Overworld Events [Status: I Fixed the Issues! / In Search of More Flexible Solutions]

binomnpx, Feb 28: Awesome! Thank you!

2 1,793

Started by binomnpx

Pokeemerald

"User Manual" for DizzyEggg's battle_engine_v2, pokemon_expansion, and item_expansion

Ryuhouji, Feb 24: Welcome! This is a ‘User Manual’ of sorts for DizzyEggg’s “battle engine v2” repo. I’ve been using the battle engine for over a year as the primary base for my game, Emerald Enhanced, and I use a lot of the features quite extensively. I think...

0 3,107

Started by Ryuhouji

Pokeemerald

Branched Alolan Evolution

AsparagusEdu, Feb 8: Hi, As an extension of DizzyEgg's Pokémon Expansion, I implemented a way to be able to evolve Pikachu, Exeggcute and Cubone into both their regular and Alolan Evolutions. By holding the Strange Souvenir, and doing the evolution method in USUM...

0 1,783

Started by AsparagusEdu

Pokeemerald

Dragonsbreath - a new scripting language for Pokeemerald

jensmoking, Oct 2019: I'm not working on emerald, but I'll bookmark this and check it out later, it seems pretty intresting to try Also, I will try to report if find any bug Good luck with this!

1 2,625

Started by Xorn

Pokeruby

How to build Pokeruby, Pokefirered or Pokeemerald on Puppy Linux

Lunos, Jun 2019: This quick tutorial is more a reminder to me than anything else, because I doubt anyone's going to try to do this in the year we live in, unless they're forced by the circumstances or want to try something new just for the fun of it. What is...

0 1,297

Started by Lunos

Pokeemerald

Pokeemerald Disassembly Trainer Editor

vblm, Jun 2019: Heads up! This is a new tool that works best on Linux. It should be possible to use this on Windows and Mac, but some assembly is required, and I don't have those systems on hand to figure it out. If anyone knows how to set up Python3 + Gtk +...

0 2,115

Started by vblm

Pokeemerald

Item expansion

blooper15, May 2019: How do you compile this with your battle engine?

1 5,013

Started by DizzyEgg

Using Affine Animations

Inmortal, Apr 2019: To start, I will explain how to scale a sprite (magnify and decrease). First, we need to know what parameters the definition has. #define AFFINEANIMCMD_FRAME(_xScale, _yScale, _rotation, _duration) The X and Y scale, the rotation, and the...

0 2,021

Started by Inmortal

Pokeemerald

Editing Battle Backgrounds

Avara, Mar 2019: Part 4: Extra Palette Trick If you're careful with your colour/tile placement you can actually have up to 32 colours in your battle background instead of 16, by making use of two 16 colour palettes. https://i.imgur.com/eJD0S8t.png Recall an...

4 3,188

Started by Avara

Custom Evolution Methods

The Law, Jan 2019: Item as a certain gender Step 1: defining our evolution method Now navigate to line 395 in include>pokemon.h You should see the following: https://i.imgur.com/vFFWGrg.png Line 410 and 411 were added by me. This is where you will be adding...

6 2,441

Started by The Law

Pokeemerald

Costume Menu

slawter666, Jan 2019: It's not been updated yet, I'm waiting for saveblock shiftability first as that is currently preventing me from completing the overworld expansion. Though that is likely to take upwards of two months for the relevant code to be decompiled. At the...

11 6,513

Started by slawter666

Forum Tools	Search this Forum
Mark This Forum Read View Parent Forum

Categories

Featured: Quest Menu

Featured: Follow Me NPC code

PoryMap - map editor for Pokémon GBA decompilations

Polished Map - edit maps for pokecrystal and pokered

Simple Modifications Directory

Battle Engine Upgrade

PoryMap | Map Editor for the Disassembly and Decompilation Projects

Decomp & Disassembly Tutorials & Resources Forum Rules

Unique surfing overworlds

[Tutorial] How to build Pokeruby/Pokeemerald using devkitPro's MSys2

How to start a project using DizzyEgg's works

[TUTORIAL] Decomp - From start to finish

How To Add, Edit, And Understand Music in Pokeemerald

Resource: a video of all front animations in Emerald

Bad Data: "Canonical" effects of the downpour weather condition

Decomp Trainer Editor

[TUTORIAL] Replacing Overworlds and adding Unique Palettes

[Tutorial] How to build the decomps using WSL (Win10)

[Tutorial] How to build Pokecrystal using Cygwin (64 Bits)

Inserting Custom Sprites

[Pokefirered + Pokeemerald] Quest Menu

USUM Data Files for Pokedex Expansion

Soft EXP Level Caps

[Tool] Polished Map 4.5.4 and 2.5.4++: a pokecrystal and pokered map editor

PokedexPlus in HGSS style

DexNav (with Detector Mode!)

Remove having to reel in while Fishing

Battle Transitions Guide

Tile inserting & animating tutorial

Pokemon Expansion

nichruby: a clean reimplementation of the pokeruby disassembly

Scripting Tutorial

Add routes as Fly destinations

Move Tutor Expansion

More Bag Pockets

[TUTORIAL] Set Trainer's Pokémon's Levels dynamically

Capture/Battle Combos

Boss Battle Balancing

Original Starter Selection

Follow Me

[Tutorial] How to build Pokeruby/Pokeemerald using Cygwin (64 Bits)

Sideways Stairs

[TUTORIAL] Adding new map sections for name popups and region map

[Tutorial] Adding new prizes at BF's Exchange Corner

[Pokefirered] Item Expansion

[pokefirered] TM/HM Expansion & Reusable TMs

Guide to Scripting for Overworld Events [Status: I Fixed the Issues! / In Search of More Flexible Solutions]

"User Manual" for DizzyEggg's battle_engine_v2, pokemon_expansion, and item_expansion

Branched Alolan Evolution

Dragonsbreath - a new scripting language for Pokeemerald

How to build Pokeruby, Pokefirered or Pokeemerald on Puppy Linux

Pokeemerald Disassembly Trainer Editor

Item expansion

Using Affine Animations

Editing Battle Backgrounds

Custom Evolution Methods

Costume Menu