LookupNode<GameObject *,ObjIdType> * ObjectManager::get(const ObjIdType & id, const unsigned int & turn, const unsigned int & frame )
{
if (!Singleton<ObjectManager>::isInit())
return NULL;
if (turn >= turns() || frame >= frames())
return NULL;
return Single::get()->m_objects.node(id,turn,frame);
}
bool pointInPoly (const VECTOR3 * const point, int points, const VECTOR3 * const poly)
{
VECTOR3
u, v,
plane;
enum dim_drop
drop;
int
i = 0,
side,
sideMatch = 10;
float
x, y,
px[2], py[2];
if (points < 3)
return false;
u = vectorSubtract (&poly[1], &poly[0]);
v = vectorSubtract (&poly[2], &poly[0]);
plane = vectorCross (&u, &v);
drop =
(fabs(plane.x) > fabs(plane.y))
? (fabs(plane.x) > fabs(plane.z))
? DROP_X
: DROP_Z
: (fabs(plane.y) > fabs(plane.z))
? DROP_Y
: DROP_Z;
//printf ("dropping %c\n", drop == DROP_X ? 'X' : drop == DROP_Y ? 'Y' : 'Z');
x = (drop == DROP_X) ? point->y : point->x;
y = (drop == DROP_Z) ? point->y : point->z;
px[1] = (drop == DROP_X) ? poly[points-1].y : poly[points-1].x;
py[1] = (drop == DROP_Z) ? poly[points-1].y : poly[points-1].z;
while (i < points)
{
px[0] = px[1];
py[0] = py[1];
px[1] = (drop == DROP_X) ? poly[i].y : poly[i].x;
py[1] = (drop == DROP_Z) ? poly[i].y : poly[i].z;
side = turns (x, y, px[0], py[0], px[1], py[1]);
//printf ("%.2f, %.2f vs. %.2f, %.2f -> %.2f, %.2f: %c\n", x, y, px[0], py[0], px[1], py[1], d == RIGHT ? 'R' : d == LEFT ? 'L' : 'T');
if (sideMatch != 10 && side != sideMatch)
return false;
sideMatch = side;
i++;
}
return true;
}
bool pointInHex (const VECTOR3 * const point)
{
int
i = 0,
j,
t;
//printf ("intersection point: %.2f, %.2f, %.2f\n", point->x, point->y, point->z);
while (i < 6)
{
j = i == 5 ? 0 : i + 1;
t = turns (point->x, point->z, H[i][X], H[i][Y], H[i][X] + H[j][X], H[i][Y] + H[j][Y]);
//printf ("%d: %s\n", i, t == LEFT ? "LEFT" : t == RIGHT ? "RIGHT" : "THROUGH");
if (t == RIGHT)
return false;
i++;
}
return true;
}
void position_baryPoints (Entity e, SUBHEX * platters, float * weights)
{
POSITION
pos = component_getData (entity_getAs (e, "position"));
hexPos
base;
int
x, y;
unsigned int
r, k, i,
third;
VECTOR3
inversePos,
distance[2];
if (!pos)
return;
base = pos->position;
// 1. change the platter to focus < 1 ? 1 : focus instead of just 1
platters[0] = hexPos_platter (base, 1);
assert (platters[0] != NULL);
// 2. figure out a way to do the barycentric math when not using a span 1 platter
v2c (&pos->pos, &x, &y);
hex_xy2rki (x, y, &r, &k, &i);
platters[1] = mapHexAtCoordinateAuto (platters[0], 0, XY[k][X], XY[k][Y]);
distance[0] = mapDistanceBetween (platters[0], platters[1]);
if (turns (pos->pos.x, pos->pos.z, 0.0, 0.0, distance[0].x, distance[0].z) == RIGHT)
third = (k + 1) % 6;
else
third = (k + 5) % 6;
platters[2] = mapHexAtCoordinateAuto (platters[0], 0, XY[third][X], XY[third][Y]);
distance[1] = mapDistanceBetween (platters[0], platters[2]);
inversePos = vectorMultiplyByScalar (&pos->pos, -1);
//printf ("have pos %.2f,%.2f w/ 0,0; %.2f,%.2f; %.2f,%.2f\n", pos->pos.x, pos->pos.z, distance[0].x, distance[0].z, distance[1].x, distance[1].z);
baryWeights (&inversePos, &distance[0], &distance[1], weights);
}