/* Increment to the next level. */
void increment_level(nbstate *state)
{
/* If we are already on the last level: */
if(state->level == state->numlevels) {
/* Go the the "game won" state. */
state->state = STATE_GAMEWON;
/* Update the high score and save it if appropriate: */
save_hiscore(state);
} else { /* Not on the last level. */
/* If we're on the title screen, go to the running state. */
if(state->state == STATE_TITLESCREEN) {
state->state = STATE_RUNNING;
/* Otherwise give the player some more balls for completing a
* level: */
} else state->numballs += state->newlevelballs;
state->level++; /* Increment the level counter. */
}
/* We always start a new level with the ball parked: */
park_ball(state);
/* Draw the new level and set up various other things for it: */
set_level_active(state);
}
/* Called whenever a ball is lost, either by it falling off the bottom of the
* screen, or the player pressing the "suicide key". */
void lost_ball(nbstate *state)
{
/* Decrement the balls count and if there are none left: */
if(!state->numballs--) {
/* Go to the "game lost" state and update the high score if
* appropriate: */
state->state = STATE_GAMELOST;
/* Update the high score and save it if necessary: */
save_hiscore(state);
/* This could probably be done better by just drawing the
* splash- set_level_active() redraws the entire game area: */
set_level_active(state);
return;
}
/* Erase the balls line at the top of the screen: */
draw_background(state, 0, state->scores.h, state->canvaswidth,
state->ball.s->h + (BALLS_BORDER * 2));
/* Draw the balls again, but with one less than there was before: */
draw_balls(state);
/* Copy the balls row to the output window: */
draw_canvas(state, 0, state->scores.h, state->canvaswidth,
state->ball.s->h + (BALLS_BORDER * 2));
/* Park the new ball and erase the old one: */
park_ball(state);
move_ball(state);
/* Redraw the bat. This is a bit of a hack because sometimes when the
* ball falls below the top of the bat on its way to the bottom of the
* screen it can clip the bat and erase a bit of it. This redraws the
* bat to hide that: */
draw_bat(state);
/* Copy the redrawn bat to the output window: */
draw_canvas(state, state->batx - (state->batwidths[state->bat] / 2),
state->canvasheight - state->batheight,
state->batwidths[state->bat], state->batheight);
}