static int
draw_child(struct sprite *s, struct srt *srt, struct sprite_trans * ts) {
struct sprite_trans temp;
struct matrix temp_matrix;
struct sprite_trans *t = trans_mul(&s->t, ts, &temp, &temp_matrix);
switch (s->type) {
case TYPE_PICTURE:
switch_program(t, PROGRAM_PICTURE);
sprite_drawquad(s->s.pic, srt, t);
return 0;
case TYPE_POLYGON:
switch_program(t, PROGRAM_PICTURE);
sprite_drawpolygon(s->s.poly, srt, t);
return 0;
case TYPE_LABEL:
if (s->data.text) {
switch_program(t, s->s.label->edge ? PROGRAM_TEXT_EDGE : PROGRAM_TEXT);
label_draw(s->data.text, s->s.label,srt,t);
}
return 0;
case TYPE_ANCHOR:
anchor_update(s, srt, t);
return 0;
case TYPE_ANIMATION:
break;
case TYPE_PANNEL:
if (s->data.scissor) {
// enable scissor
set_scissor(s->s.pannel, srt, t);
return 1;
} else {
return 0;
}
default:
// todo : invalid type
return 0;
}
// draw animation
struct pack_animation *ani = s->s.ani;
int frame = real_frame(s) + s->start_frame;
struct pack_frame * pf = &ani->frame[frame];
int i;
int scissor = 0;
for (i=0;i<pf->n;i++) {
struct pack_part *pp = &pf->part[i];
int index = pp->component_id;
struct sprite * child = s->data.children[index];
if (child == NULL || child->visible == false) {
continue;
}
struct sprite_trans temp2;
struct matrix temp_matrix2;
struct sprite_trans *ct = trans_mul(&pp->t, t, &temp2, &temp_matrix2);
scissor += draw_child(child, srt, ct);
}
for (i=0;i<scissor;i++) {
scissor_pop();
}
return 0;
}
static int
child_pos(struct sprite *s, struct srt *srt, struct sprite_trans *ts, struct sprite *t, int pos[2]) {
struct sprite_trans temp;
struct matrix temp_matrix;
struct sprite_trans *st = trans_mul(&s->t, ts, &temp, &temp_matrix);
if (s == t) {
struct matrix tmp;
if (st->mat == NULL) {
matrix_identity(&tmp);
} else {
tmp = *st->mat;
}
matrix_srt(&tmp, srt);
switch (s->type) {
case TYPE_PICTURE:
picture_pos(tmp.m, s->s.pic, srt, st, pos);
return 0;
case TYPE_LABEL:
label_pos(tmp.m, s->s.label, srt, st, pos);
return 0;
case TYPE_ANIMATION:
case TYPE_PANNEL:
pos[0] = tmp.m[4] / SCREEN_SCALE;
pos[1] = tmp.m[5] / SCREEN_SCALE;
return 0;
default:
return 1;
}
}
if (s->type != TYPE_ANIMATION){
return 1;
}
struct pack_animation *ani = s->s.ani;
int frame = real_frame(s) + s->start_frame;
struct pack_frame * pf = &ani->frame[frame];
int i;
for (i=0;i<pf->n;i++) {
struct pack_part *pp = &pf->part[i];
int index = pp->component_id;
struct sprite * child = s->data.children[index];
if (child == NULL) {
continue;
}
struct sprite_trans temp2;
struct matrix temp_matrix2;
struct sprite_trans *ct = trans_mul(&pp->t, st, &temp2, &temp_matrix2);
if (child_pos(child, srt, ct, t, pos) == 0) {
return 0;
}
}
return 1;
}
