bool CollisionTools::raycast(const Ogre::Ray &ray, Ogre::Vector3 &result,Ogre::MovableObject* &target,float &closest_distance, const Ogre::uint32 queryMask)
{
target = NULL;
// check we are initialised
if (mRaySceneQuery != NULL)
{
// create a query object
mRaySceneQuery->setRay(ray);
mRaySceneQuery->setSortByDistance(true);
mRaySceneQuery->setQueryMask(queryMask);
// execute the query, returns a vector of hits
if (mRaySceneQuery->execute().size() <= 0)
{
// raycast did not hit an objects bounding box
return (false);
}
}
else
{
//LOG_ERROR << "Cannot raycast without RaySceneQuery instance" << ENDLOG;
return (false);
}
// at this point we have raycast to a series of different objects bounding boxes.
// we need to test these different objects to see which is the first polygon hit.
// there are some minor optimizations (distance based) that mean we wont have to
// check all of the objects most of the time, but the worst case scenario is that
// we need to test every triangle of every object.
//Ogre::Ogre::Real closest_distance = -1.0f;
closest_distance = -1.0f;
Ogre::Vector3 closest_result;
Ogre::RaySceneQueryResult &query_result = mRaySceneQuery->getLastResults();
#if 0
for (size_t qr_idx = 0; qr_idx < query_result.size(); qr_idx++)
{
const Ogre::RaySceneQueryResultEntry& result = query_result[qr_idx];
Ogre::Real distance = result.distance;
Ogre::MovableObject* movable = static_cast<Ogre::MovableObject*>(result.movable);
Ogre::SceneQuery::WorldFragment* worldFragment = result.worldFragment;
if (movable)
{
const Ogre::String& type = movable->getMovableType();
const Ogre::String& name = movable->getName();
const Ogre::String& parentName = movable->getParentNode()->getName();
Ogre::uint32 flag = movable->getQueryFlags();
if (type.compare("Entity") == 0)
{
Ogre::Entity* ent = (Ogre::Entity*)movable;
}
std::ostrstream oss;
oss<<"name:"<<name<<" distance:"<< distance <<" type:"<<type<<" flag:"<<flag<<" parent:"<<parentName<<std::endl;
OutputDebugString(oss.str() );
}
}
#endif
for (size_t qr_idx = 0; qr_idx < query_result.size(); qr_idx++)
{
// stop checking if we have found a raycast hit that is closer
// than all remaining entities
if ((closest_distance >= 0.0f) &&
(closest_distance < query_result[qr_idx].distance))
{
break;
}
// only check this result if its a hit against an entity
if ((query_result[qr_idx].movable != NULL) &&
(query_result[qr_idx].movable->getMovableType().compare("Entity") == 0))
{
// get the entity to check
Ogre::MovableObject *pentity = static_cast<Ogre::MovableObject*>(query_result[qr_idx].movable);
// mesh data to retrieve
size_t vertex_count;
size_t index_count;
Ogre::Vector3 *vertices = NULL;
Ogre::uint32 *indices = NULL;
// get the mesh information
GetMeshInformation(((Ogre::Entity*)pentity)->getMesh(), vertex_count, vertices, index_count, indices,
pentity->getParentNode()->_getDerivedPosition(),
pentity->getParentNode()->_getDerivedOrientation(),
pentity->getParentNode()->_getDerivedScale());
// test for hitting individual triangles on the mesh
bool new_closest_found = false;
for (size_t i = 0; i < index_count; i += 3)
{
// check for a hit against this triangle
std::pair<bool, Ogre::Real> hit = Ogre::Math::intersects(ray, vertices[indices[i]],
vertices[indices[i+1]], vertices[indices[i+2]], true, false);
// if it was a hit check if its the closest
if (hit.first)
{
if ((closest_distance < 0.0f) ||
(hit.second < closest_distance))
{
// this is the closest so far, save it off
closest_distance = hit.second;
new_closest_found = true;
}
}
}
// free the verticies and indicies memory
delete vertices;
delete indices;
// if we found a new closest raycast for this object, update the
// closest_result before moving on to the next object.
if (new_closest_found)
{
target = pentity;
closest_result = ray.getPoint(closest_distance);
}
}
}
// return the result
if (closest_distance >= 0.0f)
{
// raycast success
result = closest_result;
return (true);
}
else
{
// raycast failed
return (false);
}
}
bool MyFrameListener::frameStarted(const FrameEvent& evt) {
bool mbleft; // Botones del raton pulsados
_keyboard->capture(); _mouse->capture(); // Captura eventos
int posx = _mouse->getMouseState().X.abs; // Posicion del puntero
int posy = _mouse->getMouseState().Y.abs; // en pixeles.
// Botones del raton pulsados? -------------------------------------
mbleft = _mouse->getMouseState().buttonDown(OIS::MB_Left);
if(_keyboard->isKeyDown(OIS::KC_ESCAPE)) return false;
switch(_estado){
case 1:
if(_keyboard->isKeyDown(OIS::KC_1)){
_sceneManager->destroySceneNode("ninicio");
_juego->generarTablero();
_juego->generarPlayers();
_juego->colocarBarcos();
_estado = 5;
}
if(_keyboard->isKeyDown(OIS::KC_2)){
_sceneManager->destroySceneNode("ninicio");
_juego->crearCreditos();
_estado = 2;
}
break;
case 2:
if(_keyboard->isKeyDown(OIS::KC_B)){
_sceneManager->destroySceneNode("ncreditos");
_juego->crearMenu();
_estado = 1;
}
break;
// Exit!
case 5:
if (mbleft) {
uint32 mask;
mask = CUBE1 | STAGE; // Podemos elegir todo
setRayQuery(posx, posy, mask);
Ogre::RaySceneQueryResult &result = _raySceneQuery->execute();
Ogre::RaySceneQueryResult::iterator it;
if(result.begin()!=result.end()){
it = result.begin();
Ogre::SceneNode* nodo = it->movable->getParentSceneNode();
Ogre::MovableObject* clickado = nodo->getAttachedObject(0);
if(clickado->getQueryFlags()==CUBE1){
if(_turno==1 && (int)it->movable->getParentSceneNode()->getName()[3]-48>=0 && (int)it->movable->getParentSceneNode()->getName()[3]-48<8 && (int)it->movable->getParentSceneNode()->getName()[5]-48>=0 && (int)it->movable->getParentSceneNode()->getName()[5]-48<8){
_turno = _juego->simular((int)it->movable->getParentSceneNode()->getName()[3]-48, (int)it->movable->getParentSceneNode()->getName()[5 ]-48);//tabla ascii
}
if(_turno == 2){
_estado = 6;
}
}
}
}
break;
case 6:
if(_keyboard->isKeyDown(OIS::KC_RETURN)){
_juego->reiniciar();
_juego->generarPlayers();
_juego->colocarBarcos();
_estado = 5;
_turno = 1;
std::cout << _estado << std::endl;
}
break;
}
return true;
}
