Adding the state machine
This commit is contained in:
Christophe Meneboeuf
parent
4031f7fae3
commit
add17d0257
133
gol_apple2.c
133
gol_apple2.c
|
|
@ -9,8 +9,9 @@
|
|||
|
||||
/******************* FUNCTION DEFINITIONS **************/
|
||||
|
||||
void init_display( void ); /* Inits displayed playfield */
|
||||
void draw_cells( void ); /* lets the user draw some starting cells */
|
||||
void init_display( void ); /* Inits displayed playfield */
|
||||
void draw_cells( void ); /* Draws the actual cells */
|
||||
void editor( void ); /* lets the user draw some starting cells */
|
||||
uint8_t toggle_cell( const uint8_t x, const uint8_t y ); /* toggles the cell at the given coordinates. \
|
||||
Returns the cursor X position */
|
||||
|
||||
|
|
@ -28,15 +29,24 @@ const uint8_t JUMP_BEGINNING_NEXT_LINE = NB_LINES - 2u;
|
|||
|
||||
#define ALIVE 1u
|
||||
#define DEAD 0u
|
||||
#define SPRITE_ALIVE '0'
|
||||
#define SPRITE_DEAD ' '
|
||||
#define SPRITE_ALIVE '0'
|
||||
#define SPRITE_DEAD ' '
|
||||
|
||||
#define STATE_INIT 0u
|
||||
#define STATE_EDITOR 1u
|
||||
#define STATE_RUN 2u
|
||||
#define STATE_QUIT 3u
|
||||
uint8_t State = STATE_INIT;
|
||||
|
||||
#define NO_KEY '\0'
|
||||
char KeyPressed = NO_KEY;
|
||||
|
||||
|
||||
/******************* STATIC GLOBAL VARIABLES ******************/
|
||||
|
||||
uint8_t Cells[ NB_COLUMNS ][ NB_LINES ];
|
||||
uint8_t Cells_Future[ NB_COLUMNS ][ NB_LINES ];
|
||||
|
||||
uint8_t Cells_Initial[ NB_COLUMNS ][ NB_LINES ];
|
||||
|
||||
/******************** CODE ************************/
|
||||
|
||||
|
|
@ -46,15 +56,37 @@ int main( int argc, char** argv )
|
|||
(void)argc;
|
||||
(void)argv;
|
||||
|
||||
printf("HELLO");
|
||||
|
||||
/* Initial state */
|
||||
memset( Cells, DEAD, sizeof(Cells) );
|
||||
init_display();
|
||||
|
||||
/* go */
|
||||
draw_cells();
|
||||
run();
|
||||
/* Running the state machine */
|
||||
while( State != STATE_QUIT )
|
||||
{
|
||||
switch (State) {
|
||||
case STATE_INIT:
|
||||
memset( Cells, DEAD, sizeof(Cells) );
|
||||
init_display();
|
||||
State = STATE_EDITOR;
|
||||
break;
|
||||
case STATE_EDITOR:
|
||||
editor();
|
||||
State = STATE_RUN;
|
||||
break;
|
||||
case STATE_RUN:
|
||||
run();
|
||||
if( KeyPressed == 'e' ) { /* Go back to editor */
|
||||
State = STATE_EDITOR;
|
||||
} else if( KeyPressed == 'r' ) { /* reset and rerun */
|
||||
memcpy( Cells, Cells_Initial, sizeof(Cells) );
|
||||
memcpy( Cells_Future, Cells_Initial, sizeof(Cells_Future) );
|
||||
draw_cells();
|
||||
} else if( KeyPressed == 'q' ) { /* quit */
|
||||
State = STATE_QUIT;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
printf("ERROR!");
|
||||
State = STATE_QUIT;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
quit();
|
||||
return 0;
|
||||
|
|
@ -83,7 +115,24 @@ void init_display( void )
|
|||
cputcxy ( NB_COLUMNS-1u, NB_LINES-1u,'+');
|
||||
}
|
||||
|
||||
void draw_cells( void )
|
||||
|
||||
void draw_cells( void ) {
|
||||
uint8_t x, y;
|
||||
for( x = 1u; x < NB_COLUMNS - 1u; ++x )
|
||||
{
|
||||
for( y = 1u; y < NB_LINES - 1u; ++y )
|
||||
{
|
||||
if( Cells[x][y] == ALIVE ) {
|
||||
cputcxy ( x, y, SPRITE_ALIVE );
|
||||
} else {
|
||||
cputcxy ( x, y, SPRITE_DEAD );
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void editor( void )
|
||||
{
|
||||
#define KEY_LEFT 'j'
|
||||
#define KEY_DOWN 'k'
|
||||
|
|
@ -91,7 +140,6 @@ void draw_cells( void )
|
|||
#define KEY_RIGHT 'l'
|
||||
|
||||
uint8_t quit = 0;
|
||||
uint8_t ch;
|
||||
|
||||
uint8_t x = NB_COLUMNS >> 1u;
|
||||
uint8_t y = NB_LINES >> 1u;
|
||||
|
|
@ -99,33 +147,33 @@ void draw_cells( void )
|
|||
|
||||
while ( quit == 0)
|
||||
{
|
||||
cursor(1);
|
||||
ch = cgetc();
|
||||
switch (ch) {
|
||||
case KEY_LEFT:
|
||||
if( x > 1u ) { gotoxy( --x, y ); }
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
if( y < NB_LINES-2u ) { gotoxy( x, ++y ); }
|
||||
break;
|
||||
case KEY_UP:
|
||||
if( y > 1u ) { gotoxy( x, --y ); }
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
if( x < NB_COLUMNS-2u ) { gotoxy( ++x, y ); }
|
||||
break;
|
||||
case ' ':
|
||||
x = toggle_cell( x, y );
|
||||
break;
|
||||
case 'q':
|
||||
quit = 1;
|
||||
break;
|
||||
}
|
||||
cursor(1);
|
||||
KeyPressed = cgetc();
|
||||
switch (KeyPressed) {
|
||||
case KEY_LEFT:
|
||||
if( x > 1u ) { gotoxy( --x, y ); }
|
||||
break;
|
||||
case KEY_DOWN:
|
||||
if( y < NB_LINES-2u ) { gotoxy( x, ++y ); }
|
||||
break;
|
||||
case KEY_UP:
|
||||
if( y > 1u ) { gotoxy( x, --y ); }
|
||||
break;
|
||||
case KEY_RIGHT:
|
||||
if( x < NB_COLUMNS-2u ) { gotoxy( ++x, y ); }
|
||||
break;
|
||||
case ' ':
|
||||
x = toggle_cell( x, y );
|
||||
break;
|
||||
case 'q':
|
||||
quit = 1;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
/* Cells was updated by the calls to toggle() */
|
||||
memcpy( Cells_Future, Cells, sizeof(Cells_Future) );
|
||||
|
||||
memcpy( Cells_Initial, Cells, sizeof(Cells_Initial) );
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -149,12 +197,12 @@ void run( void )
|
|||
{
|
||||
char str_nb_iteration [5];
|
||||
uint16_t nb_iterations = 2u;
|
||||
char ch = '\0';
|
||||
KeyPressed = NO_KEY;
|
||||
cursor(0);
|
||||
|
||||
gotoxy( 0u, NB_LINES );
|
||||
printf("Iteration: 1");
|
||||
while( ch != 'q')
|
||||
while( KeyPressed == NO_KEY)
|
||||
{
|
||||
/* Evolving the cells */
|
||||
update();
|
||||
|
|
@ -163,7 +211,8 @@ void run( void )
|
|||
printf( itoa(nb_iterations++, str_nb_iteration, 10) );
|
||||
/* Testing key pressed */
|
||||
if( kbhit() ){
|
||||
ch = cgetc();
|
||||
KeyPressed = cgetc();
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue