froggix/src/froggix.c - diff

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Diff for /froggix/src/froggix.c between versions 1.2 and 1.6

version 1.2, 2009/04/03 02:48:21	version 1.6, 2009/04/22 03:54:22
Line 25	Line 25
/*	/*
* Set some basic definitions	* Set some basic definitions
*/	*/
#define VERSION "$Id$"	#define VER "$Id$"
#define TITLE "Froggix"	#define TITLE "Froggix"
#define SCREEN_WIDTH 640	#define SCREEN_WIDTH 640
#define SCREEN_HEIGHT 480	#define SCREEN_HEIGHT 480
Line 60	Line 60
#define SCORE_PINK 200	#define SCORE_PINK 200
#define SCORE_SECONDS 10	#define SCORE_SECONDS 10
#define HIGH_SCORE 4630	#define HIGH_SCORE 4630
#define SCORE_FREE_FROG 200	#define SCORE_FREE_FROG 2000

/* The green game timer */	/* The green game timer */
#define MAX_TIMER 350	#define MAX_TIMER 350
#define TIMER_SIZE 150	#define TIMER_SIZE 150
#define TIMER_COLOR 32, 211, 0	#define TIMER_COLOR 32, 211, 0
#define TIMER_LOW_COLOR 255, 0, 0	#define TIMER_LOW_COLOR 255, 0, 0
	#define FLY_MAX_TIME 50
	#define GATOR_MAX_TIME 70

/* baddies */	/* baddies */
#define VEHICLE 0	#define VEHICLE 0
Line 156 typedef struct {	Line 158 typedef struct {
int type; /* SHORT, MEDIUM, or LONG */	int type; /* SHORT, MEDIUM, or LONG */
int speed; /* What speed does the log move at */	int speed; /* What speed does the log move at */
int hasPink; // Is bonus frog riding	int hasPink; // Is bonus frog riding
	int isGator; /* Are we a gator? if > 1 we have an open mouth */

SDL_Rect src;	SDL_Rect src;
} logObj;	} logObj;
Line 184 void beginGame( void );	Line 187 void beginGame( void );
int loadMedia( void );	int loadMedia( void );
int heartbeat( void );	int heartbeat( void );
int updateGameState( void );	int updateGameState( void );
	void checkFly( void );
	void checkGator( void );
void configGameScreen( void );	void configGameScreen( void );
void drawGameScreen( void );	void drawGameScreen( void );
void drawBackground( void );	void drawBackground( void );
Line 219 void drawImage(SDL_Surface *srcimg, int	Line 224 void drawImage(SDL_Surface *srcimg, int
void playSound( Mix_Chunk *sound );	void playSound( Mix_Chunk *sound );
void setFullScreenMode( void );	void setFullScreenMode( void );

	int flyTimer = 0;
	int gatorTimer = 0;
int level = 0;	int level = 0;
int playing = 0;	int playing = 0;
int lives = 0;	int lives = 0;
Line 331 int loadMedia( void ) {	Line 338 int loadMedia( void ) {
* Load frogger's textures and sounds	* Load frogger's textures and sounds
*/	*/
gfx = IMG_Load( "images/frogger.png" );	gfx = IMG_Load( "images/frogger.png" );
frogger.riding = FALSE;

if ( gfx == NULL ) {	if ( gfx == NULL ) {
fprintf( stderr, "Error: 'images/frogger.bmp' could not be open: %s\n", SDL_GetError( ) );	fprintf( stderr, "Error: 'images/frogger.bmp' could not be open: %s\n", SDL_GetError( ) );
result--;	result--;
Line 453 int keyEvents( SDL_Event event ) {	Line 458 int keyEvents( SDL_Event event ) {
default:	default:
break;	break;
}	}
	/* Uncomment for positioning debug information
printf( "x,y,d => %i,%i,%i,%i\n", frogger.placement[X],	printf( "x,y,d => %i,%i,%i,%i\n", frogger.placement[X],
frogger.placement[Y],	frogger.placement[Y],
frogger.direction,	frogger.direction,
frogger.currentRow );	frogger.currentRow );
	*/
}	}
/* Game over man, game over! */	/* Game over man, game over! */
if ( ! lives ) {	if ( ! lives ) {
Line 549 logObj setWood( int type, int speed, int	Line 556 logObj setWood( int type, int speed, int
tempWood.src.x = imgPixelSrc;	tempWood.src.x = imgPixelSrc;
tempWood.src.w = FRAME * tempWood.type;	tempWood.src.w = FRAME * tempWood.type;
tempWood.src.h = FRAME;	tempWood.src.h = FRAME;
	tempWood.isGator = 0;

return tempWood;	return tempWood;
}	}
Line 704 void configGameScreen( void ) {	Line 712 void configGameScreen( void ) {
rightBorderRect.w = SCREEN_WIDTH - RIGHT_SIDE;	rightBorderRect.w = SCREEN_WIDTH - RIGHT_SIDE;
rightBorderRect.h = SCREEN_HEIGHT;	rightBorderRect.h = SCREEN_HEIGHT;

	/*
	* We reset the flyTimer since this may not be the first game played
	*/
	flyTimer = 0;

/*	/*
* Draw frogger in starting position	* Draw frogger in starting position
Line 747 void drawGameScreen( void ) {	Line 759 void drawGameScreen( void ) {
/*	/*
* Update and draw everthing else	* Update and draw everthing else
*/	*/
	checkFly( );
	checkGator( );
drawImage( background, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, screen, 0, 0, 255 );	drawImage( background, 0, 0, SCREEN_WIDTH, SCREEN_HEIGHT, screen, 0, 0, 255 );
drawScore( 0, score );	drawScore( 0, score );
drawScore( 1, hScore );	drawScore( 1, hScore );
Line 797 int getRowPixel ( int row ) {	Line 811 int getRowPixel ( int row ) {
}	}

/*	/*
	* Check our fly timers to determine if we need to display or
	* remove a fly from the goal area
	*/
	void checkFly ( void ) {
	int i;

	for ( i = 0; i < MAX_GOALS; i++ ) {
	if ( goals[i].fly ) {
	goals[i].fly++;
	if ( goals[i].fly > FLY_MAX_TIME ) {
	goals[i].fly = 0;
	flyTimer = 0;
	}

	return;
	}
	}

	flyTimer++;

	if ( flyTimer > ( FLY_MAX_TIME ) ) {
	int randGoal = ( ( int ) timeLeft % 10 );
	if ( ( goals[randGoal].gator == 0 ) &&
	( goals[randGoal].occupied == 0 ) ) {
	printf( "Displaying fly in goal %i\n", randGoal );
	goals[randGoal].fly = 1;
	}
	}

	return;
	}

	/*
	* Check our gator timers. Similiar to fly timers above, however, the gator
	* has an extra stage as it enters in to the goal area.
	*/
	void checkGator ( void ) {
	int i;

	for( i = 0; i < MAX_GOALS; i++ ) {
	if ( goals[i].gator ) {
	goals[i].gator++;
	if ( goals[i].gator > GATOR_MAX_TIME ) {
	goals[i].gator = 0;
	gatorTimer = 0;
	}

	return;
	}
	}

	gatorTimer++;

	if ( gatorTimer > GATOR_MAX_TIME ) {
	int randGoal = ( ( int ) ( timeLeft * 2 ) % 10 );
	if ( ( goals[randGoal].fly == 0 ) &&
	( goals[randGoal].occupied == 0 ) ) {
	printf( "Displaying gator in goal %i\n", randGoal );
	goals[randGoal].gator = 1;
	}
	}

	return;
	}

	/*
* This does collision detection based on the row frogger	* This does collision detection based on the row frogger
* is in to help reduce overhead	* is in to help reduce overhead
*/	*/
Line 853 int collisionRow ( void ) {	Line 933 int collisionRow ( void ) {
if ( collideFrogger( goals[i].x, goals[i].y, goals[i].w, goals[i].h ) ) {	if ( collideFrogger( goals[i].x, goals[i].y, goals[i].w, goals[i].h ) ) {
if ( goals[i].occupied ) return 1;	if ( goals[i].occupied ) return 1;
goals[i].occupied++;	goals[i].occupied++;
	if ( goals[i].fly ) {
	goals[i].fly = 0;
	flyTimer = 0;
	score += SCORE_FLY;
	}
/* playSound( s_goal ); */	/* playSound( s_goal ); */
score += SCORE_GOAL;	score += SCORE_GOAL;
score += ( ( int ) ( timeLeft / 10 ) ) * 10;	score += ( ( int ) ( timeLeft / 10 ) ) * 10;
Line 978 void froggerReset ( void ) {	Line 1063 void froggerReset ( void ) {
* algorithm for calculating the distance and time	* algorithm for calculating the distance and time
*/	*/
void moveFrogger( void ) {	void moveFrogger( void ) {
int currentFrame = 0;
int x = 0;	int x = 0;
int y = 0;	int y = 0;
int h = FRAME;	int h = FRAME;
int w = FRAME;	int w = FRAME;
int frameLow = HOP_SPEED / 3;
int frameHigh = frameLow * 2;

/* Determine which frame of frogger to display */
if ( ( frogger.hopCount >= frameLow ) && ( frogger.hopCount <= frameHigh ) )
currentFrame = FRAME;

frogger.oldPlacement[Y] = frogger.placement[Y];	frogger.oldPlacement[Y] = frogger.placement[Y];
frogger.oldPlacement[X] = frogger.placement[X];	frogger.oldPlacement[X] = frogger.placement[X];

switch( frogger.direction ) {	switch( frogger.direction ) {
case UP:	case UP:
x = currentFrame;	x = FRAME;
frogger.placement[Y] -= ( HOP_DISTANCE / HOP_SPEED );	frogger.placement[Y] -= ( HOP_DISTANCE / HOP_SPEED );
break;	break;
case DOWN:	case DOWN:
x = currentFrame + ( 4 * FRAME );	x = ( 5 * FRAME );
frogger.placement[Y] += ( HOP_DISTANCE / HOP_SPEED );	frogger.placement[Y] += ( HOP_DISTANCE / HOP_SPEED );
break;	break;
case LEFT:	case LEFT:
x = currentFrame + ( 6 * FRAME );	x = ( 7 * FRAME );
frogger.placement[X] -= ( HOP_DISTANCE / HOP_SPEED );	frogger.placement[X] -= ( HOP_DISTANCE / HOP_SPEED );
break;	break;
case RIGHT:	case RIGHT:
x = currentFrame + ( 2 * FRAME );	x = ( 3 * FRAME );
frogger.placement[X] += ( HOP_DISTANCE / HOP_SPEED );	frogger.placement[X] += ( HOP_DISTANCE / HOP_SPEED );
break;	break;
}	}
Line 1037 void moveFrogger( void ) {	Line 1115 void moveFrogger( void ) {
frogger.direction = FALSE;	frogger.direction = FALSE;
score += SCORE_HOP;	score += SCORE_HOP;
lives += freeFrog( score );	lives += freeFrog( score );
	frogger.src.x -= FRAME;
}	}
}	}

Line 1192 void drawNumbers( int num, int x, int y	Line 1271 void drawNumbers( int num, int x, int y
void drawGoals( void ) {	void drawGoals( void ) {
int drawDebugRect = 0;	int drawDebugRect = 0;
int i;	int i;

for ( i = 0; i < MAX_GOALS; i++ ) {	for ( i = 0; i < MAX_GOALS; i++ ) {
if ( drawDebugRect ) {	if ( drawDebugRect ) {
SDL_Rect d;	SDL_Rect d;
Line 1207 void drawGoals( void ) {	Line 1286 void drawGoals( void ) {
if ( goals[i].occupied )	if ( goals[i].occupied )
drawImage( gfx, FRAME * 15, 0, FRAME, FRAME,	drawImage( gfx, FRAME * 15, 0, FRAME, FRAME,
screen, goals[i].x + 13, goals[i].y + 5, 255 );	screen, goals[i].x + 13, goals[i].y + 5, 255 );
	if( goals[i].fly ) {
	drawImage( gfx, FRAME * 17, 0, FRAME, FRAME,
	screen, goals[i].x + 13, goals[i].y + 5, 255 );
	}
	if( goals[i].gator ) {
	int frame = 18;
	int diff = 10;

	if ( goals[i].gator > ( ( int ) GATOR_MAX_TIME / 2 ) )
	diff = 0;

	drawImage( gfx, FRAME * frame + diff, 0, FRAME, FRAME,
	screen, goals[i].x + 13, goals[i].y + 5, 255 );
	}
}	}
}	}

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