Tutorials

Tutorials may use diff syntax to show edits:

 this is some code
-delete red - lines
+add green + lines

• Difficulty
  • Basic: These tutorials are simple changes that those with basic programming knowledge should be able to do.
  • Intermediate: These tutorials require more work and programming knowledge.
  • Advanced: These tutorials overhaul systems, and may require advanced knowledge.

Index

• How the Game Works
• Fixes to vanilla code
• Editing content
• Removing features
• Features from other generations
• Adding new content
• Miscellaneous
• External links

How the Game Works

These documents are an overview as to how various systems in the game work.

• The Game Loop - Covers the main game loop, main callbacks, sprite callbacks, and tasks.
• (TODO)

Fixes to vanilla code

• Surf Dismount Ground Effects
• Fix Snow Weather
• Seeding the RNG properly on startup
• Keep the Camera from Making Waves
• Implement Missing Text Function RESET_SIZE
• Not showing dex entries until getting the Pokédex
• Improving the WaitForVBlank function
• Make space for EWRAM Data for Summary screen
• Better Reflection System
• Improve the Loading of Battle Terrain

Editing content

Basic

• Change Starter Pokémon
• Change initial PC items
• Change Time-Based Evolution Times
• Trainer Backsprite Editing
• Faster HP Drain
• FRLG/DP+ White Out Money Calculation
• How to Create a New Regular Trainer Battle
• Remove Warp Fadescreen with a Flag
• Useful scripting commands

Intermediate

• Editing Battle Backgrounds

Removing content

Basic

• Remove badge boosts
• Disabling Union Room check when entering Pokémon Centers
• Remove the functionally redundant move grammar tables

Features from other generations

Basic

• Remove the extra save confirmation
• Allow running indoors
• Increase money limit
• Infinite TM usage
• Trainer Class-Based Poké Balls
• Learn moves upon evolution
• Prompt for reusing Repels
• Pokecenters disregard eggs
• LGPE-Style Bonus Premier Balls
• Repeated Medicine Use
• Chain Fishing
• Update Sitrus Berry's effect to Gen 4 standard
• Shop Items by Badge Count
• Shuckle makes Berry Juice
• Make the keyboard auto-switch to lowercase after the first character
• Allow the player to nickname their Pokémon from the party menu

Intermediate

• Colored stats by nature in summary screen
• Add Physical Special Split

Adding new content

Basic

• Proper Plural "giveitem" Command
• Spawn an invisible Player
• Adding Multi-region Support
• Create Shiny Pokemon with a Flag
• Adding New Menu/Text Border Themes
• Adding a Pokémon Type & Disabling the Mystery Type
• Adding a New Trainer Class
• Adding a New Trainer Image

Intermediate

• How to add a new ability
• Adding new overworlds
• How to add a new Pokémon species
• Add a debug menu
• Custom Battle Transition Mugshots
• Custom Border Dimensions

Miscellaneous

Basic

• Debugging using printf
• Version Identification
• Speedy Pokecenter Healing
• Battle music changes depending on the map the player is in
• Toggling Trainers "Seeing" You
• Disable Bag use In Battle
• Disable Catching Pokemon
• Dynamic Trade Names
• Spinda Second Frame Spot Addition
• Enable trade with FRLG without beating the game
• Extra save space with two lines of code
• Enable the Reset RTC Feature
• Omnidirectional Jump Behavior
• Forcing Battle Anims for Major fights
• Uniquely Shuffle Arrays
• Trigger Map Scripts By Flag

Intermediate

• Implementing the “textcolor” script command from FRLG and give object events their own text colour
• Implementing ipatix's High Quality Audio Mixer

Advanced

• Triple-layer metatiles
• Dynamic overworld palette system
• Run Custom Scripts on Trainer Sight
• Stair Warps
• Using Affine Animations

External links

• New Battle Transitions

To do

• transfer the rest of the simple modifications from the Pokecommunity thread