Kỹ thuật lập trình UTE: (Buổi 06_2) Trò chơi caro

Introduction to Caro Game Data Handling

Overview of the Caro Game File Structure

• The session begins with an introduction to handling a data file that stores the current state of a Caro game, including whether it has ended or if there is a winner.

• The game board is represented as a two-dimensional array, where empty cells are indicated by specific values for processing.

Value Assignments in the Game Matrix

• Specific values are assigned to represent different states:

• 0 indicates that player O has made a move,

• 1 indicates player X's move,

• -1 signifies an empty cell where no moves have been made yet.

Creating and Formatting the Data File

• Instructions are provided on how to create the data file using Excel, emphasizing the need for proper formatting and value assignments.

• The initial setup involves creating a blank file and filling it with -1 for all empty cells, ensuring that the matrix size is set at 10x10.

Inputting Values into the Matrix

• Users are guided on entering values into their matrix, stressing accuracy in maintaining ten entries per row and column.

• It’s suggested to use arrow keys for navigation while inputting values instead of tabs, which helps maintain structure from copied data.

Developing Functions in Microsoft Visual Studio

Setting Up Program Functions

• Transitioning to programming in Microsoft Visual Studio, several functions need to be declared for processing game data effectively.

Key Functions Required:

1. File Reading Function:

• This function reads data from a specified filename into a square matrix (A), defined by its size (n).

2. Matrix Printing Function:

• A function designed to print out the contents of the matrix based on given dimensions (D x C).

3. Game State Validation Function:

• This function checks if the game's state is valid by comparing moves made by both players O and X.

Validating Game Moves

• The validation function ensures that turns alternate correctly between players; discrepancies indicate potential cheating or errors in gameplay.

• It checks if either player's number of moves exceeds one more than their opponent's, which would suggest invalid play.

Conclusion on Writing Essential Functions

Final Steps in Programming Logic

• Participants are encouraged to write these three essential functions sequentially as part of their main program logic.

Implementing a Validity Check in Programming

Overview of Function Implementation

• The speaker discusses the process of creating a validity check function, emphasizing that it can be either copied and pasted or rewritten as needed.

• A temporary return statement (return true) is introduced to ensure the function compiles correctly, even though it currently lacks specific functionality.

Function Return Type Considerations

• The function is designed to return a boolean value (bool), which necessitates the inclusion of a placeholder return statement for initial testing purposes.

• The speaker notes that this placeholder will be replaced with actual logic later when the body of the function is developed.