ogl::aabb ogl::node::view(int id, const vec4 *V, int n)
{
if (!ubiquitous)
{
// Get the cached culler hint.
int bit, hint = get_oct(hint_cache, id);
// Test the bounding box and set the visibility bit.
if (V == 0 || my_aabb.test(V, n, M, hint))
test_cache = set_bit(test_cache, id, (bit = 1));
else
test_cache = set_bit(test_cache, id, (bit = 0));
// Set the cached culler hint.
hint_cache = set_oct(hint_cache, id, hint);
// If this node is visible, return the world-space AABB.
if (bit && V)
return ogl::aabb(my_aabb, M);
}
return ogl::aabb();
}
void write_value(t_mem **mem, int value, int addr, t_champ *champ)
{
t_mem *tmp;
int i;
i = 0;
tmp = set_oct(*mem, addr);
i = REG_SIZE;
while (i > 0)
{
if (i == 1)
tmp->oct = 0x000000ff & value;
else
tmp->oct = (value >> ((i - 1) * 8)) | (0xff << ((i - 1) * 8));
tmp->champ_wr = champ->num;
tmp = tmp->next;
i--;
}
}