The Big Programming Thread - Page 209

void Print_Field()
{
	int i;
	int h;
	system("cls"); // clears old screen
	printf("points: %d\n", points); // displays points in first console line
	for(i=0, h=1; i<AREA; i++) // prints gamefield, until the array with size AREA is completely printed
	{
		if(i == h*WIDTH) // array is 1 dimensional ; program skips to a new line every time WIDTH has been reached
		{
			printf("\n");
			h=h+1;
		}
		printf("%c", field[i].sprite); // chooses what character is printed
		
	}	
}

#include <stdio.h>
#include <conio.h>
#include <Windows.h>
#include <time.h>

/**************************************************************************************************************/
#define HEIGHT (24)
#define WIDTH (50)
#define AREA (HEIGHT*WIDTH)
#define MAX_LENGTH (40)
//#define LENGTH (30)
#define RIGHT ('d')
#define LEFT ('a')
#define UP ('w')
#define DOWN ('s')


/**************************************************************************************************************/
struct position // structure prototype for positions in array
	{
		int x;
		int y;
		char sprite;
	};

	struct position field[AREA]; // gamefield array
	struct position snake[MAX_LENGTH]; // snake body array
	struct position snake_temp[MAX_LENGTH]; // temp snake array copy
	struct position fruit;
	char input = RIGHT;
	int SPEED = 5;
	int points = 0;
	int LENGTH = 1;
	char buffer[AREA+1];
/**************************************************************************************************************/
int Game_Menu();
int Sub_Menu();
void Field_Set();
void Print_Field();
int Snake_Set();
void Snake_Input();
void Snake_Init();
void Menu();
void Fruit_Gen();
void Fruit_Set();
/**************************************************************************************************************/

int main()
{
	int game_loop = 1;
	int main_loop = 1;
	srand(time(NULL));

	while(main_loop ==1)
	{
		Game_Menu();

		game_loop = 1;
		while (game_loop == 1)
		{
			Snake_Input();
			Field_Set();
			Fruit_Set();
			game_loop = Snake_Set();
			Print_Field();
		}
	}
	return 0;
}

int Game_Menu()
{
	int menu = 1;
	int game_loop;
	char menu_input = 'o';


	while( menu == 1)
	{
	  Menu();
	  menu_input = getch();
	  menu = Sub_Menu(menu_input); 
	}

	system("cls");
	return 0;
}
void Menu()
{
	system("cls");
	printf("*******************************************************************************\n");
	printf("*                    *****   *   *   *****    *   *   ****                    *\n");
	printf("*                    *       **  *   *   *    * *     *                       *\n");
	printf("*                    *****   * * *   *****    *       **                      *\n");
	printf("*                        *   *  **   *   *    * *     *                       *\n");
	printf("*                    *****   *   *   *   *    *   *   ****                    *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*     SET SPEED OPTIONS[s]                       SET OBSTACLE OPTIONS[o]      *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                              START GAME[y]                                  *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                             *\n");
	printf("*                                                                    exit[x]  *\n");
	printf("*******************************************************************************\n");
}
int Sub_Menu(char menu_input)
{
	int output = 1;
	char set_char = 'z';

	switch(menu_input)
	{
	case 's':
		system("cls");
		printf("*******************************************************************************\n");
		printf("*                    *****   *   *   *****    *   *   ****                    *\n");
		printf("*                    *       **  *   *   *    * *     *                       *\n");
		printf("*                    *****   * * *   *****    *       **                      *\n");
		printf("*                        *   *  **   *   *    * *     *                       *\n");
		printf("*                    *****   *   *   *   *    *   *   ****                    *\n");
		printf("*                            DIFFICULTY SETTINGS                              *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*     HARD[h]                                               EASY[e]           *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                              MIDDLE[m]                                      *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                             *\n");
		printf("*                                                                    exit[x]  *\n");
		printf("*******************************************************************************\n");
		
		while(set_char != 'm' && set_char != 'e' && set_char != 'h')
		{
			set_char = getch();
		}
		switch(set_char)
		{
		case 'e':
			SPEED = 100;
			break;
		case 'm':
			SPEED = 5;
			break;
		case 'h':
			SPEED = 0;
		}
		break;
	case 'o':
		printf("you are in obstacle menu");
		break;
	case 'y':
		output = 0;
		Snake_Init();
		break;
	case 'x': 
		printf("you exited the game");
		break;
	}

	return output;
}

void Field_Set()
{
	int i,h;// counter variable

	
	
	
	for(i = 0, h=0; i< AREA;i++)// writes x and y coordinates into gamefield array
	{
		
		field[i].x = i%WIDTH;
		field[i].y = i/WIDTH;
	}
	

	for(i = 0; i< AREA; i++)// writes boundarys into gamefield
	{
		if(field[i].x == 0 || field[i].x == (WIDTH-1) || field[i].y == 0 || field[i].y == (HEIGHT-1))
		{
			field[i].sprite = '*'; // boundary
		}
		else
		{
			field[i].sprite = ' '; // empty space
		}
	}
}

void Print_Field()
{
	int i;
	int h;
	system("cls");
	printf("points: %d\n", points);
	for(i=0, h=1; i<AREA; i++) // prints gamefield
	{
		if(i == h*WIDTH)
		{
			printf("\n");
			
			h=h+1;
		}
		printf("%c", field[i].sprite);
		
	}
	
	
}

int Snake_Set()
{
	int game_loop = 1;
	int i;

	for(i=0;i<LENGTH;i++)
	{
		if(field[snake[i].x + snake[i].y*WIDTH].sprite == '*' ||field[snake[i].x + snake[i].y*WIDTH].sprite == 'X')
		{ 
			Beep(500,500);
			game_loop = 0;
		}
		else if(field[snake[i].x + snake[i].y*WIDTH].sprite == 'O')
		{
			points = points + 10;
			if(LENGTH < MAX_LENGTH-1)
			{
				LENGTH = LENGTH +1;
			}
			Fruit_Gen();
			Beep(500,30);
			Beep(400,100);
		}
		else
		{
			field[snake[i].x+ snake[i].y*WIDTH].sprite = '*';
		}
	}
 return game_loop;
}

void Snake_Input() // DONT FORGET TO SET THE DIRECTION TO AN INITIAL VALUE
{
	int i;
	int temp_input;
	

	for(i=0; i<1; i++)
	{
		if(kbhit() == 1)
		{
			temp_input = getch();

			if(temp_input == RIGHT || temp_input == LEFT || temp_input == UP ||temp_input == DOWN)
			{
				input = temp_input;
			}
		}
		else
		{
			Sleep(SPEED);
		}
	}
	for(i=0; i<LENGTH; i++) // copies snake into a temp snake array, and increase the positions
	{
		snake_temp[i].x = snake[i].x;
		snake_temp[i].y = snake[i].y;
	}
	
	for(i=0;i<LENGTH;i++)
	{
		snake[i+1].x = snake_temp[i].x;
		snake[i+1].y = snake_temp[i].y;
	}
	

	switch(input)
	{
	case RIGHT:
		snake[0].x = snake[0].x + 1;
		break;
	case LEFT:
		snake[0].x = snake[0].x - 1;
		break;
	case UP:
		snake[0].y = snake[0].y - 1;
		break;
	case DOWN:
		snake[0].y = snake[0].y + 1;
		break;
	}
}

void Snake_Init()
{
	int i;
	Fruit_Gen();
	points = 0;
	LENGTH = 1;
	for(i = 0; i<MAX_LENGTH;i++)
	{
		snake[i].x = WIDTH/2-i;
		snake[i].y = HEIGHT/2;
	}
}

void Fruit_Gen()
{
	int random_x;
	int random_y;
	int fruit_loop = 1;
	
	while(fruit_loop == 1)
	{
		random_x = rand()%(WIDTH/2+1);
		random_y = rand()%(HEIGHT/2+1);
		if(random_x != 0 && random_x != WIDTH && random_y != 0 && random_y != HEIGHT)
			{	
			fruit_loop = 0;
			fruit.x = random_x;
			fruit.y = random_y;
			}
	}
}

void Fruit_Set()
{
	field[fruit.x+ fruit.y*WIDTH].sprite = 'O';
}