bool CollisionManager::checkShipCollision(ShipObject* ship, const Vector3& targetPosition, Vector3& collisionPoint) {
Zone* zone = ship->getZone();
if (zone == NULL)
return false;
TerrainManager* terrainManager = zone->getPlanetManager()->getTerrainManager();
if (terrainManager->getProceduralTerrainAppearance() != NULL) {
float height = terrainManager->getHeight(targetPosition.getX(), targetPosition.getY());
float waterHeight = -16368.f;
if (terrainManager->getWaterHeight(targetPosition.getY(), targetPosition.getY(), waterHeight))
height = MAX(waterHeight, height);
if (height > targetPosition.getZ()) {
collisionPoint = targetPosition;
collisionPoint.setZ(height);
//ship->info("colliding with terrain", true);
return true;
}
}
Vector3 rayOrigin = ship->getWorldPosition();
rayOrigin.set(rayOrigin.getX(), rayOrigin.getY(), rayOrigin.getZ());
Vector3 rayEnd;
rayEnd.set(targetPosition.getX(), targetPosition.getY(), targetPosition.getZ());
float dist = rayEnd.distanceTo(rayOrigin);
float intersectionDistance;
Triangle* triangle = NULL;
SortedVector<ManagedReference<QuadTreeEntry*> > objects(512, 512);
zone->getInRangeObjects(targetPosition.getX(), targetPosition.getY(), 512, &objects, true);
for (int i = 0; i < objects.size(); ++i) {
AABBTree* aabbTree = NULL;
SceneObject* scno = cast<SceneObject*>(objects.get(i).get());
try {
aabbTree = getAABBTree(scno, -1);
if (aabbTree == NULL)
continue;
} catch (Exception& e) {
aabbTree = NULL;
} catch (...) {
throw;
}
if (aabbTree != NULL) {
//moving ray to model space
try {
Ray ray = convertToModelSpace(rayOrigin, rayEnd, scno);
//structure->info("checking ray with building dir" + String::valueOf(structure->getDirectionAngle()), true);
if (aabbTree->intersects(ray, dist, intersectionDistance, triangle, true)) {
//rayOrigin.set(rayOrigin.getX(), rayOrigin.getY(), rayOrigin.getZ());
Vector3 direction = rayEnd - rayOrigin;
direction.normalize();
//intersectionDistance -= 0.5f;
collisionPoint.set(rayOrigin.getX() + (direction.getX() * intersectionDistance), rayOrigin.getY() + (direction.getY() * intersectionDistance), rayOrigin.getZ() + (direction.getZ() * intersectionDistance));
//ship->info("colliding with building", true);
return true;
}
} catch (Exception& e) {
ship->error(e.getMessage());
} catch (...) {
throw;
}
}
}
return false;
}
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;
}
