/*
* TODO If fb is a default kerror output device then a fb should be registered
* before kerror is initialized but there is no obvious way to do that, since
* we definitely want to keep fb constructors in driver files to support
* dynamic loading, in the future, just for example.
*/
int fb_register(struct fb_conf * fb)
{
const int minor = atomic_inc(&fb_minor);
dev_t devid_tty;
dev_t devid_mm;
int err;
devid_tty = DEV_MMTODEV(VDEV_MJNR_FB, minor);
devid_mm = DEV_MMTODEV(VDEV_MJNR_FBMM, minor);
fb_console_init(fb);
err = fb_console_maketty(fb, devid_tty);
if (err) {
KERROR(KERROR_ERR, "FB: maketty failed\n");
return err;
}
err = fb_makemmdev(fb, devid_mm);
if (err) {
KERROR(KERROR_ERR, "FB: makemmdev failed\n");
return err;
}
draw_splash(fb);
fb_console_write(fb, "FB ready\r\n");
return 0;
}
void ram(void){
while(1) {
if (!screen_intro())
return;
init_game();
while(game.ships > 0){
game.ticks++;
lcdFill(0);
conrtols();
draw_game();
lcdDisplay();
delayms_queue_plus(12,0);
if(game.shot_delay > 0){
game.shot_delay--;
}
}
draw_splash();
}
}
/* Make the current level active. This mainly consists of destroying the old
* background image and loading the new one, destroying the splash image,
* possibly loading a new splash image depending on the state, copying over the
* new level data into the current level state, then redrawing the entire game
* area. */
void set_level_active(nbstate *state)
{
int i;
level *lev;
grid *g, *gg;
int bgchanged;
sprite *s = NULL;
power *p, *pnext;
GR_PIXMAP_ID ctmp;
char *backgroundfile;
/* Destroy the old splash image sprite: */
destroy_sprite(state, state->splash);
/* If we're on the title screen: */
if(state->state == STATE_TITLESCREEN) {
/* Set the background file to the title background file: */
backgroundfile = state->titlebackground;
/* Set the tiled state appropriately: */
state->backgroundtiled = state->titlebackgroundtiled;
/* Try to load the title screen splash graphic (if it doesn't
* work nothing bad will happen- load_sprite() will print an
* error message and draw_splash() will not draw anything.) */
state->splash = load_sprite(state, state->titlesplash, -1, -1);
} else { /* Not on the title screen. */
/* Find the level structure for the current level number: */
for(lev = state->levels, i = 1; i < state->level;
lev = lev->next, i++);
/* Set the current number of bricks and background info: */
state->numbricks = lev->numbricks;
backgroundfile = lev->backgroundname;
state->backgroundtiled = lev->backgroundtiled;
/* If we're in the "game won" state, try to load the appropriate
* splash image: */
if(state->state == STATE_GAMEWON) {
state->splash = load_sprite(state, state->gamewonsplash,
-1, -1);
/* If we're in the "game lost" state, try to load the
* appropriate splash image: */
} else if(state->state == STATE_GAMELOST) {
state->splash = load_sprite(state,
state->gamelostsplash, -1, -1);
} else { /* We must be in the STATE_RUNNING state. */
/* No splash image: */
state->splash = NULL;
/* Copy this levels game grid into the current game
* grid: */
g = state->grid;
gg = lev->grid;
for(i = 0; i < state->width * state->height; i++)
*g++ = *gg++;
}
}
/* If there was a background filename specified: */
if(backgroundfile) {
/* If there is a current background sprite with a filename
* and the filename is the same as the new background
* filename, the background file has not changed. Otherwise,
* assume that it has. */
if(state->background && state->background->fname &&
!strcmp(backgroundfile,
state->background->fname))
bgchanged = 0;
else bgchanged = 1;
/* No background filename was specified, so assume it has changed (to
* a blank black frame): */
} else bgchanged = 1;
/* If the background image has changed, try to load the new one: */
if(bgchanged && !(s = load_sprite(state, backgroundfile, -1, -1))) {
/* If it fails, try to make a new empty sprite and colour it
* in black (the 16*16 pixels is purely arbitrary- make it too
* large and it uses a lot of memory, make it too small and
* we spend ages painting hundreds of tiny tiles onto the
* background. */
if(!(s = make_empty_sprite(state, backgroundfile, 16, 16))) {
/* If that fails too (shouldn't happen under normal
* circumstances), issue a warning and keep the old
* background image sprite: */
s = state->background;
} else {
/* Fill in the new dummy background black: */
GrSetGCForeground(state->gc, GR_COLOR_BLACK);
GrFillRect(s->p, state->gc, 0, 0, 16, 16);
/* Make it tiled. FIXME: it would make more sense to
* have a "no background image" option which simply
* coloured in the background black: */
state->backgroundtiled = 1;
}
}
/* If we have made a new background image sprite: */
if(bgchanged && s != state->background) {
/* Destroy the old one: */
destroy_sprite(state, state->background);
/* Set the background to the new sprite: */
state->background = s;
}
/* Empty the list of power boxes: */
for(p = state->powers; p; p = pnext) {
pnext = p->next;
free(p);
}
state->powers = NULL;
/* If fading has been requested, we want to fade the new level in, so
* swap the canvasses around so the current screen is the old canvas,
* then draw the new screen and make the new canvas, then start the
* process of fading it in: */
if(state->faderate) {
/* Swap the canvasses around: */
ctmp = state->oldcanvas;
state->oldcanvas = state->canvas;
state->canvas = ctmp;
/* Remember the state we're fading into: */
state->nextstate = state->state;
/* Go into the fading state: */
state->state= STATE_FADING;
/* Initialise the fade level as completely opaque: */
state->fadelevel = 256;
}
/* Clear the whole game area to the background image: */
draw_background(state, 0, 0, state->canvaswidth, state->canvasheight);
/* If we're not on the title screen or fading to the title screen: */
if(state->state != STATE_TITLESCREEN && !(state->state == STATE_FADING
&& state->nextstate == STATE_TITLESCREEN)) {
/* Draw the bricks: */
draw_bricks(state, 0, 0, state->canvaswidth,
state->canvasheight);
draw_scores(state); /* Draw the scores bar. */
draw_balls(state); /* Draw the row of balls. */
draw_bat(state); /* Draw the bat. */
/* Draw the current ball unless the game is over: */
if(state->state != STATE_GAMELOST &&
state->state != STATE_GAMEWON)
draw_ball(state);
}
draw_splash(state); /* Draw the splash graphic (if there is one). */
/* If we're fading, remember the new canvas and generate the first
* frame of the fade: */
if(state->state == STATE_FADING) {
/* Swap the canvasses around: */
ctmp = state->newcanvas;
state->newcanvas = state->canvas;
state->canvas = ctmp;
/* Reduce the opacity: */
state->fadelevel -= state->faderate;
/* Generate the first frame: */
GrCopyArea(state->canvas, state->gc, 0, 0, state->canvaswidth,
state->canvasheight, state->newcanvas, 0, 0, 0);
GrCopyArea(state->canvas, state->gc, 0, 0, state->canvaswidth,
state->canvasheight, state->oldcanvas, 0, 0,
GR_CONST_BLEND | state->fadelevel);
}
/* Copy the entire redrawn canvas to the output window: */
draw_canvas(state, 0, 0, state->canvaswidth, state->canvasheight);
}
