linha_t *last_linha(linha_t *lin, linha_t *last, unsigned int num){
if(lin == NULL)
return last;
if(last == NULL)
last = lin;
if(compara(field_get(lin->fie, num), field_get(last->fie, num)) == 1)
last = lin;
return last_linha(lin->next, last, num);
}
int collision(Block * block, Field field) {
int i, j;
// first check for field boundaries
if (block->x < 0 || block->x + real_shape_width(block->shape, block->rot) > FIELD_WIDTH || block->y >= FIELD_HEIGHT) {
return 1;
}
// now for tiles
for (i = 0; i < SHAPE_HEIGHT; i++) {
for (j = 0; j < SHAPE_WIDTH; j++) {
if (shapes[block->shape][block->rot][i][j]) {
if (! NULL_SHAPE(field_get(field, block->x + j, block->y + i))) {
return 1;
}
}
}
}
return 0;
}
