INTRODUCTION:
A trainer is a program written to intercept and
alter the memory addresses of games that are running
in the background. Usually trainers contain such
features as GOD MODE, UNLIMITED LIVES and others
that sometimes aren't pre-programmed into the
game by its designers.
Some people believe that creating a trainer
is extremely difficult and requires all kinds
of programming knowledge and skills. Not true.
Some very friendly tools have been created to
allow anyone to make their very own trainers for
their favorite games. In these tutorials, we'll
teach you the basics of how to get started and
give you step by step instructions on creating
trainers that you can follow along with on your
own.
Basic Trainer Maker Tutorial by ro_0t
In this tutorial we are going to be creating
an "unlimited Lives" trainer for the
freeware game "Plastic Kitten".
I chose Plastic Kitten as our game because it
has all the basic values in most games, eg. Lives,
Score, Level.
In some future tutorials i will focus on more
complicated parts such as:
- Increasing Lives when you die (Instead of
Decreasing).
- Adding extra points to your score at will/ Making
things worth more points to your score.
But for now let's stick to basic memory freezing.
For this tutorial you will need the following
tools:
Now once you have all these tools available to
you, start up plastic kitten and start a new game.
Notice you have 2 heads below the "Score:
0" text? This indicates you have 3 lives.
Although there are only 2 heads visible, when
both of those are gone (you die twice) you still
have 1 last life.
** Pause your Plastic Kitten game by pressing
"P" **
Now we open up T-Search and click the "Open
Process" button, which is the one with the
chip on it. Select our Plastic Kitten icon and
click "Open". This simply allows us
to serach Plastic Kittens memory and debug it.
Now click the little magnifying glass just under
our Open Process button, not the one with the
three dots, and choose "Exact Value"
and "4 Bytes". Now type in the amount
of lives we have (3) into the Value TextBox and
click OK.
T-Search should have searched the memory and
found roughly 6240 different addresses with the
value "3". Well we aren't going to check
all 6247 addresses to find out which one is our
lives address so we simply go back into plastic
kitten and un-pause it. Die 1 time by jumping
off the edge at the bottom and you will notice
one head has dissapeared, meaning we only have
2 lives left.
** Pause your Plastic Kitten game by pressing
"P" **
Go back into T-Search and click the Magnifying
Glass (the one with the 3 dots on it this time!)
and search for "2". This basically searches
through our old "3" values and only
keeps the ones which have changed to "2".
Now you should have only a few addresses, most
of the time you will have 1 but sometimes you
will see 2 or 3 left over. Now click the Autohack
menu up at the top of T-Search and click Enable
Debugger. Now double-click your value(s) and they
will now be at the table on the right. Right click
each value and select Autohack. Now go back up
to the autohack menu at the top of T-Search and
click Autohack Window. This will bring up our
autohack window which we just leave for the time
being.
Now go back into your plastic kitten game and
un-pause it then die again. Pause it once you
have died and look at your Autohack window. You
should now see something like "48D87e: mov
[ecx],eax". Press the button just above our
code which has the red smiley-face on it (no blue
cross). This simply "nop's" this piece
of code (makes it do nothing).
Now you can go back into Plastic Kitten and die
as many times as you like and you should never
have "Game Over".
But this is all too much hassle to repeat every
time you want unlimited lives. So now we make
this NOP code into a trainer using Trainer Maker
Kit (TMK). Leave all your T-Search windows up
and Plastic Kitten game running and open up TMK.
Type in a project name, i used "kitty"
and click create. Now you see the window labelled
"Dialog" on it inside TMK? This will
be our exe layout. Now we want to add a button
by going to Insert->Button at the top of TMK.
Make sure you insert 2 buttons, as one will be
used for turning on Unlimited Lives and the other
for turning it off. Now once you have your 2 buttons
added, right click on button 1 and goto "Properties".
Change it's caption to "ON" and do the
same for button 2 but change button 2 to "OFF"
instead. Now go back into T-Search's Autohack
window, and up at the top click the "Tmk"
menu and press "Button Script". You
should now see the following in a different window:
Patched script:
Poke 48D87E 90 90
UnPatched script:
Poke 48D87E 89 01
Patched Script is for enabling unlimited lives,
replacing 89 01 with 90 90 (NOP/ No-Operation).
UnPatched Scritp is for disabling unlimited lives,
replacing 90 90 with the original 89 01.
So what you want to do now is go into TMK and
right click button 1 and choose "Write Memory
Actions". In the window that pops up, insert
your patched script which is simple "Poke
48D87E 90 90" without the quotation marks
and click Apply. Do the same for button 2 but
insert the UnPatched "poke" into this
one instead.
Now that we have our trainer ready, at the bottom
left of TMK choose the "Build Settings"
Tab and click on the box with "Exe Name"
next to it. This is basically where we enter what
we want our executable trainer to be named, eg.
Kitty.
Now above that there should be a list of processes.
Simply look through those for your plastic kitty
process name, which was "PLASTI~1.exe"
for me, and double click it.
Now lets build our trainer by pressing the button
up to the left of the Exclamation Mark or alternatively
press Build on the menu the select "Build
Your Project". This should only take 3-4
seconds to compile.
When you have compiled it, it should be in the
same folder you installed TMK to. Once you've
found it, open it up and close Plastic Kitten,
T-Search and TMK (Assuming you've saved your TMK
Project). Now open up a new game of Plastic Kitten
and when you're in-game click your trainer and
press the "ON" button. Now for
the moment of truth... die once or twice and see
if it reduces your lives at all. My trainer didn't
so if you followed all steps correctly then you
should have a nice working Unlimited Lives trainer
for Plastic Kitten. If you wish to make your trainer
look better, simply load the project into TMK
where you can now add image files for backgrounds,
change the "Dialog" text and even add
Messages to let the user know that the memory
was "Poked" Successfully.
Thanks for taking the time to read my tutorial,
if you have any problems at all, feel free to
add me to your MSN contact list or just drop me
an E-Mail and i'll be glad to help you out.
Contact: ro_0t@hotmail.com
http://www.cheathappens.com/show_user.asp?userID=312
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