Vector<float>* CollisionManager::getCellFloorCollision(float x, float y, CellObject* cellObject) {
Vector<float>* collisions = NULL;
ManagedReference<SceneObject*> rootObject = cellObject->getRootParent();
if (rootObject == NULL)
return NULL;
SharedObjectTemplate* templateObject = rootObject->getObjectTemplate();
if (templateObject == NULL)
return NULL;
PortalLayout* portalLayout = templateObject->getPortalLayout();
if (portalLayout == NULL)
return NULL;
FloorMesh* mesh = portalLayout->getFloorMesh(cellObject->getCellNumber());
if (mesh == NULL)
return NULL;
AABBTree* tree = mesh->getAABBTree();
if (tree == NULL)
return NULL;
Vector3 rayStart(x, 16384.f, y);
Vector3 rayEnd(x, -16384.f, y);
Vector3 norm = rayEnd - rayStart;
norm.normalize();
Ray ray(rayStart, norm);
SortedVector<IntersectionResult> results(3, 2);
tree->intersects(ray, 16384 * 2, results);
if (results.size() == 0)
return NULL;
collisions = new Vector<float>(results.size(), 1);
for (int i = 0; i < results.size(); ++i) {
float floorHeight = 16384 - results.get(i).getIntersectionDistance();
collisions->add(floorHeight);
}
return collisions;
}
float CollisionManager::getWorldFloorCollision(float x, float y, Zone* zone, bool testWater) {
SortedVector<ManagedReference<QuadTreeEntry*> > closeObjects;
zone->getInRangeObjects(x, y, 128, &closeObjects, true);
PlanetManager* planetManager = zone->getPlanetManager();
if (planetManager == NULL)
return 0.f;
float height = 0;
TerrainManager* terrainManager = planetManager->getTerrainManager();
//need to include exclude affectors in the terrain calcs
height = terrainManager->getHeight(x, y);
Vector3 rayStart(x, 16384.f, y);
Vector3 rayEnd(x, -16384.f, y);
Triangle* triangle = NULL;
if (testWater) {
float waterHeight;
if (terrainManager->getWaterHeight(x, y, waterHeight))
if (waterHeight > height)
height = waterHeight;
}
float intersectionDistance;
for (int i = 0; i < closeObjects.size(); ++i) {
BuildingObject* building = dynamic_cast<BuildingObject*>(closeObjects.get(i).get());
if (building == NULL)
continue;
//building->getObjectTemplate()->get
SharedObjectTemplate* templateObject = building->getObjectTemplate();
if (templateObject == NULL)
continue;
PortalLayout* portalLayout = templateObject->getPortalLayout();
if (portalLayout == NULL)
continue;
if (portalLayout->getFloorMeshNumber() == 0)
continue;
//find nearest entrance
FloorMesh* exteriorFloorMesh = portalLayout->getFloorMesh(0); // get outside layout
AABBTree* aabbTree = exteriorFloorMesh->getAABBTree();
if (aabbTree == NULL)
continue;
Ray ray = convertToModelSpace(rayStart, rayEnd, building);
if (aabbTree->intersects(ray, 16384 * 2, intersectionDistance, triangle, true)) {
float floorHeight = 16384 - intersectionDistance;
if (floorHeight > height)
height = floorHeight;
}
}
return height;
}