bool ModelInstance::intersectRay(const G3D::Ray& pRay, float& pMaxDist,
bool pStopAtFirstHit) const {
if (!iModel) {
//std::cout << "<object not loaded>\n";
return false;
}
float time = pRay.intersectionTime(iBound);
if (time == G3D::inf()) {
// std::cout << "Ray does not hit '" << name << "'\n";
return false;
}
// std::cout << "Ray crosses bound of '" << name << "'\n";
/* std::cout << "ray from:" << pRay.origin().x << ", " << pRay.origin().y << ", " << pRay.origin().z
<< " dir:" << pRay.direction().x << ", " << pRay.direction().y << ", " << pRay.direction().z
<< " t/tmax:" << time << "/" << pMaxDist;
std::cout << "\nBound lo:" << iBound.low().x << ", " << iBound.low().y << ", " << iBound.low().z << " hi: "
<< iBound.high().x << ", " << iBound.high().y << ", " << iBound.high().z << std::endl; */
// child bounds are defined in object space:
Vector3 p = iInvRot * (pRay.origin() - iPos) * iInvScale;
Ray modRay(p, iInvRot * pRay.direction());
float distance = pMaxDist * iInvScale;
bool hit = iModel->IntersectRay(modRay, distance, pStopAtFirstHit);
if (hit) {
distance *= iScale;
pMaxDist = distance;
}
return hit;
}
void ModelContainer::intersect(const G3D::Ray& pRay, float& pMaxDist, bool pStopAtFirstHit, G3D::Vector3& /*pOutLocation*/, G3D::Vector3& /*pOutNormal*/) const
{
IntersectionCallBack<SubModel> intersectCallback;
NodeValueAccess<TreeNode, SubModel> vna = NodeValueAccess<TreeNode, SubModel>(getTreeNodes(), iSubModel);
Ray relativeRay = Ray::fromOriginAndDirection(pRay.origin() - getBasePosition(), pRay.direction());
iTreeNodes[0].intersectRay(pRay, intersectCallback, pMaxDist, vna, pStopAtFirstHit, false);
}
bool ModelInstance::intersectRay(const G3D::Ray& pRay, float& pMaxDist, bool pStopAtFirstHit) const
{
if (!iModel)
{
#ifdef VMAP_DEBUG
DEBUG_LOG("<object not loaded>");
#endif
return false;
}
float time = pRay.intersectionTime(iBound);
if (time == G3D::inf())
{
#ifdef VMAP_DEBUG
DEBUG_LOG("Ray does not hit '%s'", name.c_str());
#endif
return false;
}
// child bounds are defined in object space:
Vector3 p = iInvRot * (pRay.origin() - iPos) * iInvScale;
Ray modRay(p, iInvRot * pRay.direction());
float distance = pMaxDist * iInvScale;
bool hit = iModel->IntersectRay(modRay, distance, pStopAtFirstHit);
if(hit)
{
distance *= iScale;
pMaxDist = distance;
}
return hit;
}
//==========================================================
void SubModel::intersect(const G3D::Ray& pRay, float& pMaxDist, bool pStopAtFirstHit, G3D::Vector3& /*pOutLocation*/, G3D::Vector3& /*pOutNormal*/) const
{
NodeValueAccess<TreeNode, TriangleBox> vna = NodeValueAccess<TreeNode, TriangleBox>(getTreeNodes(), getTriangles());
IntersectionCallBack<TriangleBox> intersectCallback;
Ray relativeRay = Ray::fromOriginAndDirection(pRay.origin() - getBasePosition(), pRay.direction());
#ifdef _DEBUG_VMAPS
//p6=getBasePosition();
//gBoxArray.push_back(getAABoxBounds());
#endif
getTreeNode(0).intersectRay(relativeRay, intersectCallback, pMaxDist, vna, pStopAtFirstHit, false);
}
bool IntersectTriangle(const MeshTriangle& tri, std::vector<Vector3>::const_iterator points, const G3D::Ray& ray, float& distance)
{
static const float EPS = 1e-5f;
// See RTR2 ch. 13.7 for the algorithm.
const Vector3 e1 = points[tri.idx1] - points[tri.idx0];
const Vector3 e2 = points[tri.idx2] - points[tri.idx0];
const Vector3 p(ray.direction().cross(e2));
const float a = e1.dot(p);
if (abs(a) < EPS)
{
// Determinant is ill-conditioned; abort early
return false;
}
const float f = 1.0f / a;
const Vector3 s(ray.origin() - points[tri.idx0]);
const float u = f * s.dot(p);
if ((u < 0.0f) || (u > 1.0f))
{
// We hit the plane of the m_geometry, but outside the m_geometry
return false;
}
const Vector3 q(s.cross(e1));
const float v = f * ray.direction().dot(q);
if ((v < 0.0f) || ((u + v) > 1.0f))
{
// We hit the plane of the triangle, but outside the triangle
return false;
}
const float t = f * e2.dot(q);
if ((t > 0.0f) && (t < distance))
{
// This is a new hit, closer than the previous one
distance = t;
/* baryCoord[0] = 1.0 - u - v;
baryCoord[1] = u;
baryCoord[2] = v; */
return true;
}
// This hit is after the previous hit, so ignore it
return false;
}
/*
{
ModelList::const_iterator it = model_list.find(info.Displayid);
if (it == model_list.end())
return false;
G3D::AABox mdl_box(it->second.bound);
// ignore models with no bounds
if (mdl_box == G3D::AABox::zero())
{
VMAP_ERROR_LOG("misc", "GameObject model %s has zero bounds, loading skipped", it->second.name.c_str());
return false;
}
iModel = ((VMAP::VMapManager2*)VMAP::VMapFactory::createOrGetVMapManager())->acquireModelInstance(sWorld->GetDataPath() + "vmaps/", it->second.name);
if (!iModel)
return false;
name = it->second.name;
//flags = VMAP::MOD_M2;
//adtId = 0;
//ID = 0;
iPos = Vector3(go.GetPositionX(), go.GetPositionY(), go.GetPositionZ());
iScale = go.GetObjectScale();
iInvScale = 1.f / iScale;
G3D::Matrix3 iRotation = G3D::Matrix3::fromEulerAnglesZYX(go.GetOrientation(), 0, 0);
iInvRot = iRotation.inverse();
// transform bounding box:
mdl_box = AABox(mdl_box.low() * iScale, mdl_box.high() * iScale);
AABox rotated_bounds;
for (int i = 0; i < 8; ++i)
rotated_bounds.merge(iRotation * mdl_box.corner(i));
this->iBound = rotated_bounds + iPos;
#ifdef SPAWN_CORNERS
// test:
for (int i = 0; i < 8; ++i)
{
Vector3 pos(iBound.corner(i));
if (Creature* c = const_cast<GameObject&>(go).SummonCreature(24440, pos.x, pos.y, pos.z, 0, TEMPSUMMON_MANUAL_DESPAWN))
{
c->setFaction(35);
c->SetObjectScale(0.1f);
}
}
#endif
return true;
}
GameObjectModel* GameObjectModel::Create(const GameObject& go)
{
const GameObjectDisplayInfoEntry* info = sGameObjectDisplayInfoStore.LookupEntry(go.GetDisplayId());
if (!info)
return NULL;
GameObjectModel* mdl = new GameObjectModel();
if (!mdl->initialize(go, *info))
{
delete mdl;
return NULL;
}
return mdl;
}
*/
bool GameObjectModel::intersectRay(const G3D::Ray& ray, float& MaxDist, bool StopAtFirstHit) const
{
float time = ray.intersectionTime(iBound);
if (time == G3D::inf())
return false;
// child bounds are defined in object space:
Vector3 p = iInvRot * (ray.origin() - iPos) * iInvScale;
Ray modRay(p, iInvRot * ray.direction());
float distance = MaxDist * iInvScale;
bool hit = iModel->IntersectRay(modRay, distance, StopAtFirstHit);
if (hit)
{
distance *= iScale;
MaxDist = distance;
}
return hit;
}
bool ModelInstance::intersectRay(const G3D::Ray& pRay, float& pMaxDist, bool pStopAtFirstHit) const
{
if (!iModel)
return false;
float time = pRay.intersectionTime(iBound);
if (time == G3D::inf())
return false;
// child bounds are defined in object space:
Vector3 p = iInvRot * (pRay.origin() - iPos) * iInvScale;
Ray modRay(p, iInvRot * pRay.direction());
float distance = pMaxDist * iInvScale;
bool hit = iModel->IntersectRay(modRay, distance, pStopAtFirstHit);
if (hit)
{
distance *= iScale;
pMaxDist = distance;
}
return hit;
}
bool GameObjectModel::intersectRay(G3D::Ray const& ray, float& maxDist, bool stopAtFirstHit, PhaseShift const& phaseShift, VMAP::ModelIgnoreFlags ignoreFlags) const
{
if (!isCollisionEnabled() || !owner->IsSpawned())
return false;
if (!owner->IsInPhase(phaseShift))
return false;
float time = ray.intersectionTime(iBound);
if (time == G3D::finf())
return false;
// child bounds are defined in object space:
Vector3 p = iInvRot * (ray.origin() - iPos) * iInvScale;
Ray modRay(p, iInvRot * ray.direction());
float distance = maxDist * iInvScale;
bool hit = iModel->IntersectRay(modRay, distance, stopAtFirstHit, ignoreFlags);
if (hit)
{
distance *= iScale;
maxDist = distance;
}
return hit;
}