[Tutorial] Simple Mod Menu + Cheat codes for PC Unity game
I made it for fun, It’s not for
Android lol
Download source code:
You can use the code
whatever you want without crediting to me. It’s not copyrighted or licensed
Please note, you must have
basic knowledge of C# and Unity. I won’t explain everything in it.
And don’t forget the read
everything, being lazy to read and skipping will cause yourself to do bad
things.
Using Unity editor to customize and
test:
It’s better to customize it in Unity
editor and test. You can edit code while the scene is playing
Go to https://store.unity.com/ and select "Try
personal". It is completely free. Download and install it. If you like to
have Visaul Studio 2017 installed, make sure to select it in installer. If not
installed, you will use MonoDevelop.
Launch Unity, login with your
account and complete your survey. After that you can create a new project. Name
it you want and keep 3D selected and disable Unity Analytics. Click
"Create project"
To
add the existing script, simply drop the .cs file on Protect/Assets section
Everything are explained in source code
It’s recommended to create mod menu script
each games you want to mod like I do so you have your scripts ready for modding:
How to add mod menu into the game:
This is a tricky part because you
need to find classes that are active. it’s hard to find, but there are ways to
find out and add OnGUI.
- Known active classes are UIRoot,
UIDrawcall, SoundManager, AudioManager, Loading classes etc... The best are
SoundManager, AudioManager or something similar
- Search for any "Start"
or "Awake" method, add this code and change first number +50 each
Classes that have "Start" or "Awake" method to find out
what classes is active and best
void OnGUI() {
GUI.Button(new Rect(0,0,200,50),
"FirstClassName");
}
void OnGUI() {
GUI.Button(new Rect(50,0,200,50),
"FirstClassName2");
}
void OnGUI() {
GUI.Button(new Rect(100,0,200,50),
"FirstClassName3");
}
You can just edit any method and add OnGUI code above and it will add into Class
If the button is too dark, that’s a
bad class.
In this case, i’m modding Baldi’s
Basics and added OnGUI to PlayerScript, PlaytimeScript and ScoreScript. Only 1
button “PlayerScript” appear on screen so we know it’s an active class
If you found a good active class
that isn’t bad, you can start adding mod menu
Right click on empty namespace and
click Add Class...
Add your whole code. Make sure the
OnGUI() and Update() is “public static”
so other classes can access the fields. Click Compile
dnSpy can't find
class you created so you have to save the assembly as Assembly-CSharp.dll in
Managed folder. Unload Assembly-CSharp.dll and reload Assembly-CSharp.dll file
Now call OnGUI and
Update on active class to your mod menu
On active class, if
OnGUI() or Update() does not exists, just edit one of method and add new method
above or below existing method:
public
void OnGUI()
{
YourModMenu.OnGUI();
}
If OnGUI() or
Update() exists, edit it and only add
YourModMenu.Method();
Hacking
functions with mod menu
Now search some
functions to hack. If you had added OnGUI in an existing class with Instance
method, modify the code like this:
In this case, I
modify getter method
public float ArmorCapacity
{
{
get
{
if (YourModMenu.toggle1)
{
return 999f;
}
return this._armorCapacity;
}
}
{
if (YourModMenu.toggle1)
{
return 999f;
}
return this._armorCapacity;
}
}
And In void
private void Success()
{
if (YourModMenu.toggle2)
{
if
(this.jumps >= 10)
{
// success
code
}
}
else if
(this.jumps >= 5)
{
// success code
}
}
There are many ways
to modify
Save the dll file
and test your mod menu
Good luck :)
Preview:
I use Baldi’s Basics
as an example because it’s quickest way to test mod menu
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