Skip to content

Instantly share code, notes, and snippets.

@praveenvvstgy

praveenvvstgy/gist:8669391

Created January 28, 2014 15:15
Show Gist options
  • Save praveenvvstgy/8669391 to your computer and use it in GitHub Desktop.
Save praveenvvstgy/8669391 to your computer and use it in GitHub Desktop.
Download ZIP
Raw
gistfile1.txt
// GLblackjack.c
// By Eric Stringer 2002
// E-mail: [email protected]
// A openGL example program, plays black jack (21)
//
// Keyboard inputs: [ESC] = quit
// 'L' = enables/disables lighting
// 'V' = toggle ortho/prespective view
// 'D' = Deal cards
// 'H' = Hit (add a card to player)
// 'S' = Stand
#include <GL/glut.h>
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <time.h>
#include <cstring>
#include <ctype.h>
#include "tgaload.h"
#define CARD_TEXTURES 53
#define M_TWOPI 3.14159265359
#ifndef FALSE
#define FALSE (0)
#endif
#ifndef TRUE
#define TRUE (!FALSE)
#endif
int Dealer_total( void );
void Blackjack( void );
int Player_total( void );
typedef struct
{
int value;
char suit[8];
char name[9];
}Deck;
Deck Cards[53] = {{ 1,"Ace","Hearts"},{ 2, "Two","Hearts"}, { 3, "Three", "Hearts"}, { 4, "Four","Hearts"}, { 5,"Five","Hearts"},{ 6,"Six", "Hearts06"},
{ 7,"Seven","Hearts"},{ 8,"Eight","Hearts"},{ 9,"Nine","Hearts"},{ 10,"Ten","Hearts"},{10,"Jack","Hearts"},{10,"Queen","Hearts"},{10,"King","Hearts"},
{ 1,"Ace","Clubs"},{2, "Two", "Clubs"},{3,"Three","Clubs"},{4,"Four","Clubs"},{5,"Five","Clubs"},{6,"Six","Clubs"},{7,"Seven","Clubs"},{8,"Eight","Clubs"},
{ 9,"Nine","Clubs"},{10,"Ten","Clubs"},{10,"Jack","Clubs"},{10,"Queen","Clubs"},{10,"King","Clubs"},
{ 1,"Ace","Diamonds"},{2,"Two","Diamonds"},{3,"Three","Diamonds"},{4,"Four","Diamonds"},{5,"Five","Diamonds"},{6,"Six","Diamonds"},{7,"Seven","Diamonds"},
{ 8,"Eight","Diamonds"},{9,"Nine","Diamonds"},{10,"Ten","Diamonds"},{10,"Jack","Diamonds"},{10,"Queen","Diamonds"},{10,"King","Diamonds"},
{ 1,"Ace","Spades"},{ 2,"Two","Spades"},{3,"Three","Spades"},{4,"Four","Spades"},{5,"Five","Spades"},{6,"Six","Spades"},{7,"Seven","Spades"},
{ 8,"Eight","Spades"},{ 9,"Nine","Spades"},{10,"Ten","Spades"},{10,"Jack","Spades"},{10,"Queen","Spades"},{10,"King","Spades"}};
char *CardList[] = {"hearts01.tga","hearts02.tga","hearts03.tga","hearts04.tga","hearts05.tga","hearts06.tga",
"hearts07.tga","hearts08.tga","hearts09.tga","hearts10.tga","hearts11.tga","hearts12.tga","hearts13.tga",
"clubs01.tga", "clubs02.tga","clubs03.tga","clubs04.tga","clubs05.tga","clubs06.tga","clubs07.tga","clubs08.tga",
"clubs09.tga","clubs10.tga","clubs11.tga","clubs12.tga","clubs13.tga",
"diamonds01.tga","diamonds02.tga","diamonds03.tga","diamonds04.tga","diamonds05.tga","diamonds06.tga","diamonds07.tga",
"diamonds08.tga","diamonds09.tga","diamonds10.tga","diamonds11.tga","diamonds12.tga","diamonds13.tga",
"spades01.tga","spades02.tga","spades03.tga","spades04.tga","spades05.tga","spades06.tga","spades07.tga",
"spades08.tga","spades09.tga","spades10.tga","spades11.tga","spades12.tga","spades13.tga",
"cover.tga"};
GLint deck_store_textures[53];
int card_index[52];
static int card_count = 52;
int Player_cards_location[6][2] = {{ -6,-2 },{ -4,-2},{-2,-2},{0,-2},{2,-2},{4,-2}};
int Dealer_cards_location[6][2] = {{ -6,3 },{ -4,3},{-2,3},{0,3},{2,3},{4,3}};
int Player_cards[8];
static int Player_index = 0;
int Dealer_cards[8];
static int Dealer_index = 0;
static int bust = 0; // 0 = no, 1 = Dealer, 2 = Player
static int win = 0; // 0 = no, 1 = Dealer, 2 = Player
static int blackjack = 0; // 0 = no, 1 = Dealer, 2 = Player
static int card_over = 0;
static int Player_cash = 100;
static int bet = 0;
int startup;
// define glu objects
struct tm *newtime;
time_t ltime;
GLfloat rx, ry, rz, angle;
// lighting
GLfloat LightAmbient[]= { 0.5f, 0.5f, 0.5f, 1.0f };
GLfloat LightDiffuse[]= { 0.5f, 0.5f, 0.5f, 1.0f };
GLfloat LightPosition[]= { 5.0f, 25.0f, 15.0f, 1.0f };
GLfloat mat_specular[] = { 1.0, 1.0, 1.0, 1.0 };
static int light_state = 1; // light on = 1, light off = 0
static int view_state = 1; // Ortho view = 1, Perspective = 0
void Sprint( int x, int y, char *st)
{
int l,i;
l=strlen(st);
glRasterPos3i( x, y, -1);
for( i=0; i < l; i++)
{
glutBitmapCharacter(GLUT_BITMAP_TIMES_ROMAN_24, st[i]);
}
}
void TimeEvent( void )
{
int timent;
int i;
rx = 30 * cos( angle );
ry = 30 * sin( angle );
rz = 30 * cos( angle );
angle += 0.01;
if (angle > M_TWOPI) angle = 0;
glutPostRedisplay();
}
void Check_hands( void )
{
if (Dealer_total() == Player_total())
{
win = 1;
bet = 0;
}
if ((Dealer_total() < 22) && (Dealer_total() > Player_total()))
{
win = 1;
bet = 0;
}
if ((Player_total() < 22) && (Player_total() > Dealer_total()))
{
win = 2;
Player_cash += bet * 2;
bet = 0;
}
if (Dealer_total() > 21)
{
bust = 1;
win = 2;
Player_cash += bet * 2;
bet = 0;
}
if (Player_total() > 21)
{
bust = 2;
win = 1;
bet = 0;
}
}
void Blackjack( void )
{
if (Dealer_total() == 21)
{
blackjack = 1;
win = 1;
card_over = 1;
bet = 0;
}
if (Player_total() == 21)
{
blackjack = 2;
win = 2;
card_over = 1;
Player_cash += bet * 2;
bet = 0;
}
}
void Reset_deck(void)
{
int i;
for(i = 0; i < 52; i++)
{
card_index[i] = 1;
}
card_count = 52;
}
int Pick_card( void )
{
float rndf;
int p;
rndf = rand();
rndf = (rndf / RAND_MAX);
p = rndf * 51;
if (p > 51) p = 51;
if (p < 0 ) p = 0;
return( (int) p);
}
int Player_total( void )
{
int i;
int total = 0;
int ace = 0;
for (i = 0; i < Player_index; i++)
{
if ((Cards[Player_cards[i]].value == 1) && ( total <= 11))
{
total += 11;
ace = 1;
}else total += Cards[Player_cards[i]].value;
}
if ( (total > 21) && ( ace == TRUE )) total = total - 10;
return(total);
}
int Dealer_total( void )
{
int i;
int total = 0;
int ace = 0;
for (i = 0; i < Dealer_index; i++)
{
if ((Cards[Dealer_cards[i]].value == 1) && ( total <= 11))
{
total += 11;
ace = 1;
}else total += Cards[Dealer_cards[i]].value;
}
if ( (total > 21) && ( ace == TRUE )) total = total - 10;
return(total);
}
void Deal_hit_dealer(void)
{
int p;
p = 0;
while( (card_index[ p ] == 0))
{
p = Pick_card();
}
Dealer_cards[Dealer_index] = p ;
card_index[ p ] = 0;
Dealer_index++;
card_count--;
}
void Deal_hit_player(void)
{
int p;
p = 0;
while( (card_index[ p ] == 0))
{
p = Pick_card();
}
Player_cards[Player_index] = p ;
card_index[ p ] = 0;
Player_index++;
card_count--;
}
void Deal_cards(void)
{
int i, p;
Player_index = 0;
Dealer_index = 0;
blackjack = 0;
win = 0;
bust = 0;
card_over = 0;
p = 0;
for(i=0; i < 2; i++)
{
while( (card_index[ p ] == 0))
{
p = Pick_card();
}
Player_cards[i] = p ;
card_index[ p ] = 0;
Player_index++;
card_count--;
}
for(i=0; i < 2; i++)
{
while( (card_index[ p ] == 0))
{
p = Pick_card();
}
Dealer_cards[i] = p ;
card_index[ p ] = 0;
Dealer_index++;
card_count--;
}
}
void Load_card_images(void)
{
int i;
char filename[32];
image_t temp_image;
glEnable( GL_TEXTURE_2D );
glPixelStorei( GL_UNPACK_ALIGNMENT,1 );
glGenTextures( CARD_TEXTURES, deck_store_textures );
for( i=0; i < CARD_TEXTURES; i++)
{
glBindTexture( GL_TEXTURE_2D, deck_store_textures[i] );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR );
glTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR );
strcpy( filename, "images/" );
strncat( filename, CardList[i], 32 - strlen(filename));
tgaLoad( filename, &temp_image, TGA_FREE | TGA_LOW_QUALITY );
}
}
void Draw_card( int x, int y, int z, int card )
{
glPushMatrix();
glTranslatef( x, y, z);
glEnable( GL_TEXTURE_2D );
glBindTexture( GL_TEXTURE_2D, deck_store_textures[card] );
glBegin(GL_QUADS);
glTexCoord2f(0.0f,0.0f ); glNormal3f(0.0, 0.0, 1.0); glVertex3f(-1.0f,-2.0f,0.0f);
glTexCoord2f(1.0f,0.0f ); glNormal3f(0.0, 0.0, 1.0); glVertex3f( 1.0f,-2.0f,0.0f);
glTexCoord2f(1.0f,1.0f ); glNormal3f(0.0, 0.0, 1.0); glVertex3f( 1.0f, 2.0f,0.0f);
glTexCoord2f(0.0f,1.0f ); glNormal3f(0.0, 0.0, 1.0); glVertex3f(-1.0f, 2.0f,0.0f);
glEnd();
glDisable( GL_TEXTURE_2D );
glPopMatrix();
}
void init(void)
{
int i;
glClearColor (0.0, 0.0, 0.0, 0.0);
glShadeModel (GL_SMOOTH);
glEnable(GL_DEPTH_TEST);
// Lighting is added to scene
glLightfv(GL_LIGHT1 ,GL_AMBIENT, LightAmbient);
glLightfv(GL_LIGHT1 ,GL_DIFFUSE, LightDiffuse);
glLightfv(GL_LIGHT1 ,GL_POSITION, LightPosition);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT1);
Load_card_images();
srand( (unsigned)time( NULL )); // Random seed
// setup deck clear cards of being in use.
for(i = 0; i < 52; i++)
{
card_index[i] = 1;
}
for(i = 0; i < 6; i++)
{
Player_cards[i] = 0;
Dealer_cards[i] = 0;
}
startup = 1;
//Deal_cards();
//Blackjack();
}
void Start_screen(void)
{
int i;
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
glColor3f(1.0, 0.0, 1.0);
Sprint(-3,1,"GL BlackJack V1.0");
Sprint(-3,0,"By Eric Stringer 2002");
Sprint(-3,-1,"[email protected]");
Sprint(-3,-7,"Press B to start");
glEnable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL);
glColor3f(1.0, 1.0, 1.0);
for(i = 0; i < 6;i++)
{
Draw_card( Dealer_cards_location[i][0],Dealer_cards_location[i][1]+1,-13, Pick_card());
Draw_card( Player_cards_location[i][0],Player_cards_location[i][1]-1,-13, Pick_card());
}
}
void display(void)
{
int i, pt;
char pts[10];
pt = 0;
time(&ltime); // Get time
newtime = localtime(&ltime); // Convert to local time
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// easy way to put text on the screen.
glMatrixMode (GL_PROJECTION);
glLoadIdentity();
glOrtho(-8.0, 8.0, -8.0, 8.0, 1.0, 60.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
// Put view state on screen
glColor3f( 1.0, 1.0, 1.0);
if(startup == 0)
{
itoa( Dealer_total(), pts, 10 );
if( (card_over == 1) ) Sprint(-4,6, pts );
glColor3f(1.0, 0.0, 0.0);
if( blackjack == 1) Sprint(-4, 3, "BlackJack!!!");
glColor3f(1.0, 1.0, 1.0);
if( win == 1) Sprint(-4, 5, "House Wins!!!");
if( bust == 1) Sprint(-4, 5, "BUST!!!");
itoa( Player_total(), pts, 10 );
Sprint(-4,-5, pts );
glColor3f(1.0, 0.0, 0.0);
if( blackjack == 2) Sprint(-4, -2, "BlackJack!!!");
glColor3f(1.0, 1.0, 1.0);
if( win == 2) Sprint(0, -5, "Winner!!!");
if( win == 1) Sprint(0, -5, "Loser!!!");
if( bust == 2) Sprint(-4, -5, "BUST!!!");
itoa( bet, pts, 10 );
Sprint(-6,-6,"Bet=$");
Sprint(-1,-6, pts);
Sprint(3, -6,"Cash:$");
itoa( Player_cash, pts, 10 );
Sprint(6, -6,pts);
Sprint(-7,-7,"[N]ew [B]et [D]eal [H]it [S]tand");
}
// Turn Perspective mode on/off
if (view_state == 0)
{
glMatrixMode (GL_PROJECTION);
glLoadIdentity();
gluPerspective(60.0, 1, 1.0, 60.0);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
gluLookAt( 0.0, 0.0, 0.0, 0.0, 0.0, -14.0, 0, 1, 0);
}
if (light_state == 1)
{
glEnable(GL_LIGHTING);
glEnable(GL_COLOR_MATERIAL); // Enable for lighing
glColorMaterial(GL_FRONT, GL_AMBIENT);
glColor3f(0.95, 0.95, 0.95);
glColorMaterial(GL_FRONT, GL_EMISSION);
glColor3f(0.0, 0.0, 0.0);
glColorMaterial(GL_FRONT, GL_SPECULAR);
glColor3f(0.75, 0.75, 0.75);
glColorMaterial(GL_FRONT, GL_DIFFUSE);
glColor3f(0.75, 0.75, 0.75);
}else
{
glDisable(GL_LIGHTING);
glDisable(GL_COLOR_MATERIAL);
}
if (startup == 1) Start_screen();
for( i=0; i < Player_index; i++)
{
Draw_card(Player_cards_location[i][0],Player_cards_location[i][1], -14, Player_cards[i] );
// pt +=Cards[Player_cards[i]].value;
}
for( i=0; i < Dealer_index; i++)
{
if( (card_over == 0) && (i == 0))
{
Draw_card(Dealer_cards_location[i][0],Dealer_cards_location[i][1], -14, 52 );
}else Draw_card(Dealer_cards_location[i][0],Dealer_cards_location[i][1], -14, Dealer_cards[i] );
}
glutSwapBuffers();
}
void reshape (int w, int h)
{
glViewport (0, 0, (GLsizei) w, (GLsizei) h);
glMatrixMode (GL_PROJECTION);
glLoadIdentity ();
}
void keyboard (unsigned char key, int x, int y)
{
switch (key)
{
case 'B':
case 'b':
if(Player_cash > 0)
{
bet++;
Player_cash--;
if (bet == 1)
{
Dealer_index = 0;
Player_index = 0;
win = 0;
blackjack = 0;
bust = 0;
startup = 0;
}
}
break;
case 'D':
case 'd':
if (card_count < 3) Reset_deck();
if ((bet > 0) && ( Player_index < 2))
{
Deal_cards();
Blackjack();
}
break;
case 'H':
case 'h':
if (card_count < 3) Reset_deck();
if (Player_index > 1)
{
if( Player_total() < 22) Deal_hit_player();
while( Dealer_total() < 16 ) Deal_hit_dealer();
if( Player_total() > 21 ) Check_hands();
card_over = 1;
}
break;
case 'S':
case 's':
if (card_count < 3) Reset_deck();
if (Player_index > 1)
{
while( Dealer_total() < 16 ) Deal_hit_dealer();
Check_hands();
card_over = 1;
}
break;
case 'L':
case 'l':
light_state = abs(light_state - 1);
break;
case 'V':
case 'v':
view_state = abs(view_state - 1);
break;
case 'N':
case 'n':
Player_cash = 100;
break;
case 27:
exit(0); // exit program when [ESC] key presseed
break;
default:
break;
}
}
int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode (GLUT_DOUBLE | GLUT_RGB);
glutInitWindowSize (500, 500);
glutInitWindowPosition (10, 10);
glutCreateWindow (argv[0]);
glutSetWindowTitle("GL BlackJack");
init ();
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutKeyboardFunc(keyboard);
glutIdleFunc( TimeEvent );
glutMainLoop();
return 0;
}
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment