/* tests for the new dvec format */
static void testDvec (void)
{
short dv1 = 0x0724;
CU_ASSERT_EQUAL(getDVdir(dv1), 0x07);
CU_ASSERT_EQUAL(getDVflags(dv1), 0x02);
CU_ASSERT_EQUAL(getDVz(dv1), 0x04);
short dv2 = makeDV(6, 3);
CU_ASSERT_EQUAL(dv2, 0x0603);
dv2 = setDVz(dv2, 4);
CU_ASSERT_EQUAL(dv2, 0x0604);
}
static int G_FillDirectionTable (dvec_t *dvtab, size_t size, byte crouchingState, pos3_t pos)
{
int dvec;
int numdv = 0;
while ((dvec = gi.MoveNext(level.pathingMap, pos, crouchingState))
!= ROUTING_UNREACHABLE) {
const int oldZ = pos[2];
/* dvec indicates the direction traveled to get to the new cell and the original cell height. */
/* We are going backwards to the origin. */
PosSubDV(pos, crouchingState, dvec);
/* Replace the z portion of the DV value so we can get back to where we were. */
dvtab[numdv++] = setDVz(dvec, oldZ);
if (numdv >= size)
break;
}
return numdv;
}
