target_t *target_create(void){
target_t *target = malloc(sizeof(target_t));
target->type = TARGET_NONE;
target->rect = rect_create();
target->sprite = NULL;
target->event = NULL;
return target;
}
rect_t msg_line_rect(void)
{
assert(_msg_line_doc); /* call msg_on_startup()! */
return rect_create(
_msg_line_rect.x,
_msg_line_rect.y,
_msg_line_rect.cx,
doc_line_count(_msg_line_doc)
);
}
void msg_line_init(const rect_t *display_rect)
{
if (display_rect && rect_is_valid(display_rect))
{
if (_msg_line_doc)
{
msg_line_clear();
doc_free(_msg_line_doc);
}
_msg_line_rect = *display_rect;
if (_msg_line_rect.x + _msg_line_rect.cx > Term->wid)
_msg_line_rect.cx = Term->wid - _msg_line_rect.x;
_msg_line_doc = doc_alloc(_msg_line_rect.cx);
_msg_line_sync_pos = doc_cursor(_msg_line_doc);
}
else
{
rect_t r = rect_create(0, 0, MIN(72, Term->wid - 13), 10);
msg_line_init(&r);
}
}
sprite_t *sprite_create(){
sprite_t *sprite = malloc(sizeof(sprite_t));
sprite->rect = rect_create();
return sprite;
}
void do_physics_to_it(body_t *body, rect_list_t *terr_rects, rect_list_t *plat_rects){
rect_t *start = rect_create();
rect_match_to(start, body->rect);
rect_node_t *iter;
body->flags &= ~BLOCKED_MASK;
body->rect->x += body->vx;
iter = terr_rects->head;
while(iter != NULL){
if(rect_overlap(body->rect, iter->data)){
if(body->vx > 0 && rect_get_r_edge(body->rect) >= rect_get_l_edge(iter->data)){
body->vx = 0;
rect_set_r_edge(body->rect, rect_get_l_edge(iter->data));
body->flags |= BLOCKED_R;
}else if(body->vx < 0 && rect_get_l_edge(body->rect) <= rect_get_r_edge(iter->data)){
body->vx = 0;
rect_set_l_edge(body->rect, rect_get_r_edge(iter->data));
body->flags |= BLOCKED_L;
}
break;
}
iter = iter->next;
}
body->rect->y += body->vy;
iter = terr_rects->head;
while(iter != NULL){
if(rect_overlap(body->rect, iter->data)){
if(body->vy > 0 && rect_get_b_edge(body->rect) >= rect_get_t_edge(iter->data)){
body->vy = 0;
rect_set_b_edge(body->rect, rect_get_t_edge(iter->data));
body->flags |= BLOCKED_D;
}else if(body->vy < 0 && rect_get_t_edge(body->rect) <= rect_get_b_edge(iter->data)){
body->vy = 0;
rect_set_t_edge(body->rect, rect_get_b_edge(iter->data));
body->flags |= BLOCKED_U;
}
break;
}
iter = iter->next;
}
if(body->vy > 0 && !(body->flags & PLAT_DROP)){
iter = plat_rects->head;
while(iter != NULL){
if(rect_overlap(body->rect, iter->data)){
if(rect_get_b_edge(start) <= rect_get_t_edge(iter->data)){
body->vy = 0;
rect_set_b_edge(body->rect, rect_get_t_edge(iter->data));
body->flags |= BLOCKED_D;
break;
}
}
iter = iter->next;
}
}
rect_delete(start);
}