If you want to write a Role Playing Game, but don’t know how to program, or just want to learn how to program in C#, then you’re at right the place.
These lessons will take you from a complete beginner, to being an author of a Role Playing Game, for free.
This isn’t the world’s greatest game. In fact, it’s very short and kind of ugly.
However, as you create it, you’ll learn the most common C# programming practices and techniques. Then, if you want, you can improve the game, adding more features and your own special touch to it.
NOTE: If you already know the basics of C# programming (classes, properties, functions, “if” statements, etc.), you might want to look at the newer “Build a C#/WPF RPG” lessons. The code in those lessons is more like how I would write a “real” professional program – using better design and architecture.
One of the awesome students here created a PDF document of the lessons. You can get a copy of it here. You can also download the source code files for the lessons here. Thank you, Mark!
SECTIONS
Lesson 00.1 – What is in these lessons?
Lesson 00.2 – General information about programming in C#
Lesson 00.3 – The parts of Visual Studio
Lesson 01.1 – Defining classes and objects for the game
Lesson 02.1 – Installing Visual Studio Community 2017
Lesson 02.2 – Building the solution for the game
Lesson 03.1 – Building the first screen
Lesson 04.1 – Creating the Player class and its properties
Lesson 05.1 – Creating objects from classes
Lesson 06.1 – Creating the remaining classes
Lesson 07.1 – Inheritance and base classes
Lesson 08.1 – Setting properties with a class constructor
Lesson 08.2 – Using class constructors with derived classes
Lesson 09.1 – Using your classes as datatypes
Lesson 10.1 – Creating collections of objects
Lesson 11.1 – Using a static class
Lesson 12.1 – Add the remaining UI controls
Lesson 13.1 – Functions, procedures, and methods
Lesson 13.2 – Creating functions to handle user input
Lesson 15.1 – Getting random numbers for the game
Lesson 16.1 – Writing the function to move the player
Lesson 16.2 – Refactoring the player movement function
Lesson 16.3 – Functions to use weapons and potions
Lesson 17.1 – Running the game on another computer
Lesson 18.1 – Future enhancements for the game
Bonus lessons (enhancements to the game)
Lesson 19.1 – Scroll to the bottom of a rich text box
Lesson 19.2 – Use a calculated value for a property
Lesson 19.3 – Clean up the source code by converting foreach to LINQ
Lesson 19.4 – Saving and loading the player information
Lesson 19.5 – Changing dropdown default values
Lesson 19.6 – Increase maximum hit points when the player gains a level
Improving SuperAdventure’s code quality by refactoring
Lesson 20.1 – Refactoring the SuperAdventure program
Lesson 20.2 – Binding a custom object’s properties to UI controls
Lesson 20.3 – Binding list properties to datagridviews
Lesson 20.4 – Binding child list properties to a combobox
Lesson 20.5 – Moving the game logic functions from the UI project to the Engine project
Adding a vendor to locations (with buying and selling items)
Lesson 21.0 – Plans for adding a vendor to locations
Lesson 21.1 – Adding a price to game items
Lesson 21.2 – Create the vendor class and add it to locations
Lesson 21.3 – Add a button and create its eventhandler in code, without the UI design screen
Lesson 21.4 – Completing the trading screen
Use SQL to save and restore player’s game data
Lesson 22.1 – Installing MS SQL Server on your computer
Lesson 22.2 – Creating database tables from classes
Lesson 22.3 – Creating the SQL to save and load the saved game data
Creating a console UI for SuperAdventure
Lesson 23.1 – Creating a console front-end for the game
Final refactoring (cleanup) of the SuperAdventure source code
Lesson 24.1 – Make the SuperAdventure source code easier to understand and modify
New game features
Lesson 25.1 – Select a random monster at a location
Lesson 26.1 Displaying a World Map
Lesson 26.2 – Hiding Unvisited Locations on the World Map
Bug Fixes
Lesson 99.1 – Preventing duplicate quests
Lesson 99.2 – Setting CurrentWeapon when the player has multiple weapons
Hey Scott!,
I added some extra quests, but when i put 2 on the same spot it only showed the new one (i added them only by creating it in world and adding it to the location)
Hello!
To do this, you’d need to start by change the Location QuestAvailableHere property’s datatype from “Quest” to “List” (and probably rename it to “QuestsAvailableHere”, to make it clear it can hold multiple quests).
Then, in the World PopulateLocation function, instead of saying “farmhouse.QuestAvailableHere = QuestByID(QUEST_ID_CLEAR_FARMERS_FIELD);”, you’d say “farmhouse.QuestsAvailableHere.Add(QuestByID(QUEST_ID_CLEAR_FARMERS_FIELD));”. You could add as many Quest objects to that list as you want.
Finally, in the movement code (when the player moves to a new location), you’d need to loop through the list of Quest objects to see if the player should receive the Quest, or if they can complete an existing quest.
Let me know if that wasn’t clear.
WOW! amazing tutorial, this helped me so much to learn more about programming with C#. I would LOVE you to expand on a few things with tutorials if you have the time though. I’m pretty sure it would be great tutorials for others to learn as extras for their games also.
1. A tutorial for an Advanced Bag system, something similar to how you did the World Map but instead for a bag holding all the items you have collected and amounts you have. So, push a button and another screen opens with all your bag items and amounts in. It would use icon pics for the item and not text for item name and then the amount maybe in one of the corners of the picture. The picture could be grayed out until you have collected it maybe?
2. Maybe add a picture box to the main SuperAdventure design view window that shows a single picture of the location you are currently in when you enter a new area.
3. Maybe in the text information window have options.. for example the text says.. “you have entered a house, there are two people here” then it gives option to say “talk to person 1 or talk to person 2”. The ‘person 1’ and ‘person 2’ could maybe be different colors and cickable for choosing option to talk to them. Or maybe that’s already available and you could give a tutorial on how to do that?
In any case, thanks again for these awesome tutorials, ive learned a lot to this point from these.
You’re welcome, Sylar.
I’m not doing much more with these lessons, but am doing a new version in WPF at https://scottlilly.com/build-a-cwpf-rpg/.
There is a bit more graphics in the WPF version, showing a picture of the location you’re at and the monster you’re fighting. Adding an inventory bag would be a cool feature to add. Adding conversations with NPCs would be another cool feature. I’ll put your suggestions on my notes for new lessons to add to the WPF course. There’s some more cleanup I want to do with the code in those lessons, once I finish a business project that’s been using up more of my time than I wish it was.
why when i putting Location at LocationToWest or other than can’t be read and been problem
I’m not sure what the proglem is. Can you upload your solution (including the directories under it, and all the files in those directories) to GitHub or Dropbox, so I can look at it?
Hi Scott!
I could really use your help, as I’m in chapter 16.3 and for some reason I constantly get errors for rtbMessages and it wouldn’t run my code.
I tried looking at from every angle, but I just can’t figure it out!
I’ve uploaded it to https://github.com/bence0307/RPG-Game
Could you please tell me what I did wrong and where? What I need to fix this?
Thank you very much for your help!
Kind Regards
Bence
Fresh C# student.
Hi Bence,
Can you please upload your solution file (the .sln file)? I’m having trouble building with only the .csproj files.
Sure thing gimme a couple of minutes.
Hi Scott,
I updated my GitHub, adding the solution .sln file to the list and a few more files, just in case.
Thank you for your help.
Kind Regards
Bence
Hi Bence,
I found two problems. The main one was in the MoveTo() function. One of the closing parentheses was in the wrong place. So, if the location did not have a quest, the program also tried running the code to give the player the quest at the location – cause a null reference exception. Also, the Engine project was .NET Standard, and will need to be .NET Framework. This might cause problems when you try to add the images for the map. So, I created a .NET Framework version of the project in the fixed solution.
You can get a fixed version here: https://www.dropbox.com/sh/15uzvauhl6isslj/AAAM_vuF_GHTxMm47VGkL8hta?dl=0 This version does not have the music or background image, since I didn’t see those files in GitHub.
Let me know if you try this and have any problems or questions.
Hi Scott,
Thank you very much. Thanks to the solution you provided I was able to see where my error was, and my teacher today helped me with the music issue I had.
For some reason before I was able to play the music by just calling the title it, but Today I’ve added the location as well and that helped it to reach it and play it as well.
So thanks to you, everything is working superbly now.
I only have one more question.
In the World class when we call on the rat variable:
“Monster rat = new Monster(MONSTER_ID_RAT, “Rat”, 5, 3, 10, 3, 3);”
Just to make sure I understand everything correctly (as I would like to expand it, once I completed your tutorial.)
When we open the parenthesis we give the first 4 details based on the Monster class, and the last three comes from the LootItem class that comes from the Item class.
I know that I must not understand something from my own, and that may be coming from that I’m not a mother tongue English speaker and sometimes that results in some errors and misunderstanding from my part.
But I don’t understand that the chance where is coming from, I’m guessing it’s either the last ‘3’ or the ‘3’ beforehand.
The thing I don’t get that how does this gets the data that is being referred to.
Thanks again 🙂
Bence
Hi Bence,
You’re welcome. This is a good demonstration of why it’s best to make functions small, without too many levels of parentheses. We do improve this code in later lessons, which makes it easier to read and decreases the chance of errors.
For the rat variable, when you instantiate an object (use “new” on a class), the parameters in the parentheses match the parameters in the constructor. So, those values are passed into these parameters:
public Monster(int id, string name, int maximumDamage, int rewardExperiencePoints, int rewardGold, int currentHitPoints, int maximumHitPoints)
The rat’s possible loot items, and their chance to appear, are in the next two lines in World.cs:
rat.LootTable.Add(new LootItem(ItemByID(ITEM_ID_RAT_TAIL), 75, false));
rat.LootTable.Add(new LootItem(ItemByID(ITEM_ID_PIECE_OF_FUR), 75, true));
If you look at the constructor for the LootItem class, the second parameter is the dropPercentage value (75% for these two lines).
Let me know if that is not clear, or if you have any other questions.
Thank you Scott, I understand it now!
I think the problem was that I got a bit confused that where does the rat get its function the parenthesis.
I’ll continue the tutorial and if I have other questions I’ll let you know. 🙂
Thanks Again.
Bence
Hi Scott!
Sorry to bother you but I have ran into some issues which I don’t quite understand.
Currently I’m on chapter 20.3-20.4 and I have some issues in the SuperAdventure.cs.
I get errors for the .PropertyName all of the .Any-‘s, and lastly it doesn’t understand the _player.PropertyChanged += PlayerOnPropertyChanged; at the Potions.
I’ve uploaded my current solution to GitHub.
If you have the time could you please check it for me?
What am I missing? Why doesn’t it work? What do I need to change?
https://github.com/bence0307/RPG-Game/blob/master/RPG.rar
Thank you again for your help 🙂
Kind Regards
Bence
Hi Bence,
I found a few problems in SuperAdventure.cs. I uploaded a version that should be fixed to: https://www.dropbox.com/sh/15uzvauhl6isslj/AAAM_vuF_GHTxMm47VGkL8hta?dl=0
The problems were:
1. “using System.Linq;” and “using System.ComponentModel;” needed to be added to the top of the file
2. Missing a closing curly-brace on line 512
3. In the PlayerOnPropertyChanged function, the datatype of second parameter needs to be PropertyChangedEventArgs
4. Lines 223 and 336 have typos in the function name “AddExperiencePoints”
Let me know if that doesn’t fix the problems, or if you have questions.