void bubble_update(void)
{
Bubble *bubbles = bm.bubbles;
int i, x, y;
int seq;
/* make a new bubble, if needed */
if ((bm.nr_bubbles < MAXBUBBLE) && ((rand() % 101) <= 32)) {
bm.bubbles[bm.nr_bubbles].x = (rand() % XMAX);
bm.bubbles[bm.nr_bubbles].y = MAKEY(YMAX);
bm.bubbles[bm.nr_bubbles].dy = 0;
bm.nr_bubbles++;
}
/* Update and draw the bubbles */
for (i = 0; i < bm.nr_bubbles; i++) {
/* Accelerate the bubble */
bubbles[i].dy -= 64;
/* Move the bubble vertically */
bubbles[i].y += bubbles[i].dy;
/* Did we lose it? */
if (bubbles[i].y < 0) {
/* Yes; nuke it */
bubbles[i].x = bubbles[bm.nr_bubbles - 1].x;
bubbles[i].y = bubbles[bm.nr_bubbles - 1].y;
bubbles[i].dy = bubbles[bm.nr_bubbles - 1].dy;
bm.nr_bubbles--;
/* We must check the previously last bubble, which is
* now the current bubble, also. */
i--;
continue;
}
/* Draw the bubble */
x = bubbles[i].x;
y = bubbles[i].y;
/* convert to standard dimension */
y = REALY(y);
/* calculate bubble sequence - 0 to 4 (determine bubble sprite idx) */
seq = y / bubble_state_change;
/* draw the bubble, using offset-to-center calculated from current
* sequence, and make the bubble bigger as we go up. 120 - alpha */
draw_sprite_alpha(x + bubble_sequence[seq], y, 26 + seq, 120);
}
}
void ttk_button_draw(gfx_context_t * ctx, struct TTKButton * button) {
if (button->width == 0) {
return;
}
int hilight = button->hilight & 0xFF;
int disabled = button->hilight & 0x100;
/* Dark edge */
if (hilight < 3) {
struct gradient_definition edge = {button->height, button->y, rgb(166,166,166), rgb(136,136,136)};
draw_rounded_rectangle_pattern(ctx, button->x, button->y, button->width, button->height, 4, gfx_vertical_gradient_pattern, &edge);
}
/* Sheen */
if (hilight < 2) {
draw_rounded_rectangle(ctx, button->x + 1, button->y + 1, button->width - 2, button->height - 2, 3, rgb(238,238,238));
/* Button face - this should normally be a gradient */
if (hilight == 1) {
struct gradient_definition face = {button->height-3, button->y + 2, rgb(240,240,240), rgb(230,230,230)};
draw_rounded_rectangle_pattern(ctx, button->x + 2, button->y + 2, button->width - 4, button->height - 3, 2, gfx_vertical_gradient_pattern, &face);
} else {
struct gradient_definition face = {button->height-3, button->y + 2, rgb(219,219,219), rgb(204,204,204)};
draw_rounded_rectangle_pattern(ctx, button->x + 2, button->y + 2, button->width - 4, button->height - 3, 2, gfx_vertical_gradient_pattern, &face);
}
} else if (hilight == 2) {
struct gradient_definition face = {button->height-2, button->y + 1, rgb(180,180,180), rgb(160,160,160)};
draw_rounded_rectangle_pattern(ctx, button->x + 1, button->y + 1, button->width - 2, button->height - 2, 3, gfx_vertical_gradient_pattern, &face);
}
if (button->title[0] != '\033') {
int label_width = draw_sdf_string_width(button->title, 16, SDF_FONT_THIN);
int centered = (button->width - label_width) / 2;
int centered_y = (button->height - 16) / 2;
draw_sdf_string(ctx, button->x + centered + (hilight == 2), button->y + centered_y + (hilight == 2), button->title, 16, disabled ? rgb(120,120,120) : rgb(0,0,0), SDF_FONT_THIN);
} else {
sprite_t * icon = icon_get_16(button->title+1);
int centered = button->x + (button->width - icon->width) / 2 + (hilight == 2);
int centered_y = button->y + (button->height - icon->height) / 2 + (hilight == 2);
if (disabled) {
draw_sprite_alpha(ctx, icon, centered, centered_y, 0.5);
} else {
draw_sprite(ctx, icon, centered, centered_y);
}
}
}
