bool PhysicsEngine::PerformSphereSphereCollisionTest(const Ogre::FrameEvent &fe, PhysicsEntity *sphere1, PhysicsEntity *sphere2)
{
float overlapMagnitude = (sphere1->GetRadius() + sphere2->GetRadius()) - sphere1->getPosition().distance(sphere2->getPosition());
if (overlapMagnitude >= 0.0f)
{
Ogre::Vector3 d = sphere2->getPosition() - sphere1->getPosition();
Ogre::Vector3 relativeVelocity = d * (d.dotProduct(sphere1->GetVelocity() - sphere2->GetVelocity()) / d.squaredLength());
Ogre::Vector3 impulse1 = (((sphere2->GetRestitution() + 1.0f) * relativeVelocity) /
((1 / sphere1->GetMass()) + (1 / sphere2->GetMass())));
Ogre::Vector3 impulse2 = -(((sphere1->GetRestitution() + 1.0f) * relativeVelocity) /
((1 / sphere1->GetMass()) + (1 / sphere2->GetMass())));
//Ogre::Vector3 currentImpulse1 = d * (d.dotProduct(sphere1->GetAppliedForce()) / d.squaredLength());
//Ogre::Vector3 currentImpulse2 = -d * (d.dotProduct(sphere2->GetAppliedForce()) / d.squaredLength());
if (sphere1->GetBodyType() == ENTITY_BODY_SPHERE && sphere2->GetBodyType() == ENTITY_BODY_SPHERE)
{
sphere1->translate(-d.normalisedCopy() * (overlapMagnitude / 2.0f));
sphere2->translate(d.normalisedCopy() * (overlapMagnitude / 2.0f));
sphere2->ApplyForce(impulse1);// + currentImpulse1);
sphere1->ApplyForce(impulse2);// + currentImpulse2);
}
sphere1->Collide(fe, sphere2);
sphere2->Collide(fe, sphere1);
return true;
}
return false;
}
void CharacterController::UpdateAI(float dt)
{
_CurrentPathAge += dt;
//std::cerr << _CurrentPathIndex << " / " << _CurrentPath.size() << "\n";
if (_CurrentPathIndex + 2 <= _CurrentPath.size())
{
Ogre::Vector3 const & a = _CurrentPath[_CurrentPathIndex];
Ogre::Vector3 const & b = _CurrentPath[_CurrentPathIndex+1];
Ogre::Vector3 const & m = GetPosition();
Ogre::Vector3 const ab = b - a;
Ogre::Vector3 const am = m - a;
Ogre::Vector3 const mb = b - m;
Ogre::Vector3 const mb_unit = mb.normalisedCopy();
float remaining = mb.length();
for(size_t i = _CurrentPathIndex + 1; i + 2 <= _CurrentPath.size(); ++i)
{
remaining += _CurrentPath[i].distance(_CurrentPath[i+1]);
}
//std::cerr << "Remaining distance: " << remaining << " m\n";
float lambda = am.dotProduct(ab) / ab.squaredLength();
//const float tau = 0.1;
SetVelocity(_CurrentVelocity * mb_unit);
if (lambda > 1) _CurrentPathIndex++;
/*if (_CurrentPathIndex + 1 == _CurrentPath.size())
SetVelocity(Ogre::Vector3(0.));*/
}
}
void AnimalThirdPersonControler::orient(int i_xRel, int i_yRel, double i_timeSinceLastFrame)
{
if (!(m_pAnimal != nullptr && m_pCamera != nullptr))
return;
Ogre::Vector3 camPos = m_pCamera->getPosition();
Ogre::Radian angleX(i_xRel * -m_camAngularSpeed);
Ogre::Radian angleY(i_yRel * -m_camAngularSpeed);
Ogre::Vector3 avatarToCamera = m_pCamera->getPosition() - m_pAnimal->m_pNode->getPosition();
// restore lenght
if (avatarToCamera.length() != m_camDistance)
avatarToCamera = avatarToCamera.normalisedCopy() * m_camDistance;
// Do not go to the poles
Ogre::Radian latitude = m_pAnimal->m_pNode->getOrientation().zAxis().angleBetween(avatarToCamera);
if (latitude < Ogre::Radian(Ogre::Math::DegreesToRadians(10.f)) && angleY < Ogre::Radian(0.f))
angleY = Ogre::Radian(0.f);
else if (latitude > Ogre::Radian(Ogre::Math::DegreesToRadians(170.f)) && angleY > Ogre::Radian(0.f))
angleY = Ogre::Radian(0.f);
Ogre::Quaternion orient = Ogre::Quaternion(angleY, m_pCamera->getOrientation().xAxis()) * Ogre::Quaternion(angleX, m_pCamera->getOrientation().yAxis());
Ogre::Vector3 newAvatarToCamera = orient * avatarToCamera;
// Move camera closer if collides with terrain
m_collideCamWithTerrain(newAvatarToCamera);
}
//------------------------------------------------------------------------------------------------
RayDebugShape::RayDebugShape(const Ogre::Vector3& start,
const Ogre::Vector3& direction,
const Ogre::Real length) {
const Ogre::Vector3 end(start + (direction.normalisedCopy() * length));
addLine(start, end);
draw();
}
//------------------------------------------------------------------------------------------------
void RayDebugShape::setDefinition(const Ogre::Vector3& start,
const Ogre::Vector3& direction,
const Ogre::Real length) {
clear();
const Ogre::Vector3 end(start + (direction.normalisedCopy() * length));
addLine(start, end);
draw();
}
//-----------------------------------------------------------------------------------------
bool CLightEditor::_setDirection(OgitorsPropertyBase* property, const Ogre::Vector3& value)
{
if(value == Ogre::Vector3::ZERO)
mDirection->init(mDirection->getOld());
if(mHandle)
{
mHandle->setDirection(value.normalisedCopy());
_calculateOrientation();
}
return true;
}
void SkyDome::setSunDirection (const Ogre::Vector3& sunDir) {
float elevation = sunDir.dotProduct (Ogre::Vector3::UNIT_Y);
elevation = elevation * 0.5 + 0.5;
Ogre::Pass* pass = mMaterial->getBestTechnique()->getPass(0);
if (mShadersEnabled) {
mParams.sunDirection.set(mParams.vpParams, sunDir.normalisedCopy());
mParams.offset.set(mParams.fpParams, elevation);
} else {
Ogre::TextureUnitState* gradientsTus = pass->getTextureUnitState(0);
gradientsTus->setTextureUScroll (elevation);
}
}
void LuaScriptUtilities::SetLineStartEnd(
Ogre::SceneNode* line,
const Ogre::Vector3& start,
const Ogre::Vector3& end)
{
Ogre::Vector3 lineVector = end - start;
Ogre::Quaternion lineRotation =
Ogre::Vector3::UNIT_Z.getRotationTo(lineVector.normalisedCopy());
line->setOrientation(lineRotation *
Ogre::Quaternion(Ogre::Degree(90), Ogre::Vector3::UNIT_X));
line->setPosition(start);
line->setScale(0.01f, lineVector.length(), 0.01f);
}
void Fighter::fire()
{
if(lastShot.getMilliseconds() > 100)
lastShot.reset();
else
return;
AudioManager::getInstance().play("shot1");
Ogre::Vector3 shotPos = mNode->getPosition();
Ogre::Vector3 direction = mNode->getOrientation()*Ogre::Vector3::UNIT_Z;
Shot* shotPtr = new Shot(mSceneManagerPtr,shotPos,direction.normalisedCopy());
mShots.push_back(shotPtr);
}
QColor SparseOccupancyGridArrayDisplay::axisColor(const Ogre::Quaternion& q,
const Ogre::Vector3& p)
{
Ogre::Vector3 zaxis = q.zAxis();
Ogre::Vector3 reference = p.normalisedCopy();
double dot = zaxis.dotProduct(reference);
if (dot < -1) {
dot = -1.0;
}
else if (dot > 1) {
dot = 1.0;
}
double scale = (dot + 1) / 2.0;
return gridColor(scale);
}
void AnimalThirdPersonControler::m_collideCamWithTerrain(const Ogre::Vector3& i_avatarToCamera)
{
// Move camera closer if collides with terrain
Ogre::Vector3 colPos, newCamPos;
if (rayToTerrain(m_pAnimal->m_pNode->getPosition(), i_avatarToCamera, *m_pTerrainGroup, colPos) &&
((m_pAnimal->m_pNode->getPosition() - colPos).length() < m_camDistance + m_camHeightOffset))
{
newCamPos = colPos - i_avatarToCamera.normalisedCopy() * m_camHeightOffset;
}
else
{
newCamPos = m_pAnimal->m_pNode->getPosition() + i_avatarToCamera;
}
m_pCamera->setPosition(newCamPos);
m_pCamera->lookAt(m_pAnimal->m_pNode->getPosition() + m_pAnimal->m_cameraLookAtOffset);
}
const float Ellipsoid::_getLength(const int &x, const int &y, const int &z) const
{
// x^2 y^2 z^2
// / + / + / = 1 (Ellipsoid ecuation)
// a^2 b^2 c^2
//
// maxradatdir = lambda (Xo, Yo, Zo) = lambda; where Xo, Yo and Zo are the components of the normaliced direction vector
//
// => lambda^2 = 1 / ( EllipsoidEcuation...)
//
// => lambda = sqrt (...) => maxradatdir = lambda
Ogre::Vector3 Direction = Ogre::Vector3(x-mX, y-mY, z-mZ),
DirectionNormalized = Direction.normalisedCopy();
Ogre::Real a = Ogre::Math::Pow(DirectionNormalized.x, 2) / mA2 +
Ogre::Math::Pow(DirectionNormalized.y, 2) / mB2 +
Ogre::Math::Pow(DirectionNormalized.z, 2) / mC2,
lambda = 1.0f / Ogre::Math::Sqrt(a);
return Ogre::Math::Clamp<Ogre::Real>(Direction.length() / lambda, 0, 1);
}
void AnimalThirdPersonControler::move(int i_frontDir, int i_sideDir, bool i_run, double i_timeSinceLastFrame)
{
if (!(m_pAnimal != nullptr && m_pCamera != nullptr))
return;
if (!(i_frontDir == 0 && i_sideDir == 0))
{
Ogre::Vector3 oldAniPos = m_pAnimal->m_pNode->getPosition();
m_pAnimal->moveOnTerrain(i_frontDir, i_sideDir, i_run, i_timeSinceLastFrame, *m_pTerrainGroup);
Ogre::Vector3 newAniPos = m_pAnimal->m_pNode->getPosition();
// Update cammera
Ogre::Vector3 newCamPos = m_pCamera->getPosition() + newAniPos - oldAniPos;
Ogre::Vector3 newAvatarToCamera = newCamPos - m_pAnimal->m_pNode->getPosition();
if (newAvatarToCamera.length() != m_camDistance)
newAvatarToCamera = newAvatarToCamera.normalisedCopy() * m_camDistance;
// Collide with terrain
m_collideCamWithTerrain(newAvatarToCamera);
}
if (!m_lookAround)
alignAnimalToCamera(i_timeSinceLastFrame);
}
int DecalManager::addTerrainSplineDecal(Ogre::SimpleSpline *spline, float width, Ogre::Vector2 numSeg, Ogre::Vector2 uvSeg, Ogre::String materialname, float ground_offset, Ogre::String export_fn, bool debug)
{
#if 0
Ogre::ManualObject *mo = gEnv->ogreSceneManager->createManualObject();
String oname = mo->getName();
SceneNode *mo_node = terrain_decals_snode->createChildSceneNode();
mo->begin(materialname, Ogre::RenderOperation::OT_TRIANGLE_LIST);
AxisAlignedBox *aab=new AxisAlignedBox();
int offset = 0;
// how width is the road?
float delta_width = width / numSeg.x;
float steps_len = 1.0f / numSeg.x;
for (int l = 0; l<=numSeg.x; l++)
{
// get current position on that spline
Vector3 pos_cur = spline->interpolate(steps_len * (float)l);
Vector3 pos_next = spline->interpolate(steps_len * (float)(l + 1));
Ogre::Vector3 direction = (pos_next - pos_cur);
if (l == numSeg.x)
{
// last segment uses previous position
pos_next = spline->interpolate(steps_len * (float)(l - 1));
direction = (pos_cur - pos_next);
}
for (int w = 0; w<=numSeg.y; w++)
{
// build vector for the width
Vector3 wn = direction.normalisedCopy().crossProduct(Vector3::UNIT_Y);
// calculate the offset, spline in the middle
Vector3 offset = (-0.5 * wn * width) + (w/numSeg.y) * wn * width;
// push everything together
Ogre::Vector3 pos = pos_cur + offset;
// get ground height there
pos.y = hfinder->getHeightAt(pos.x, pos.z) + ground_offset;
// add the position to the mesh
mo->position(pos);
aab->merge(pos);
mo->textureCoord(l/(Ogre::Real)numSeg.x*uvSeg.x, w/(Ogre::Real)numSeg.y*uvSeg.y);
mo->normal(Vector3::UNIT_Y);
}
}
bool reverse = false;
for (int n1 = 0; n1<numSeg.x; n1++)
{
for (int n2 = 0; n2<numSeg.y; n2++)
{
if (reverse)
{
mo->index(offset+0);
mo->index(offset+(numSeg.y+1));
mo->index(offset+1);
mo->index(offset+1);
mo->index(offset+(numSeg.y+1));
mo->index(offset+(numSeg.y+1)+1);
}
else
{
mo->index(offset+0);
mo->index(offset+1);
mo->index(offset+(numSeg.y+1));
mo->index(offset+1);
mo->index(offset+(numSeg.y+1)+1);
mo->index(offset+(numSeg.y+1));
}
offset++;
}
offset++;
}
offset+=numSeg.y+1;
mo->end();
mo->setBoundingBox(*aab);
// some optimizations
mo->setCastShadows(false);
mo->setDynamic(false);
delete(aab);
MeshPtr mesh = mo->convertToMesh(oname+"_mesh");
// build edgelist
mesh->buildEdgeList();
// remove the manualobject again, since we dont need it anymore
gEnv->ogreSceneManager->destroyManualObject(mo);
unsigned short src, dest;
if (!mesh->suggestTangentVectorBuildParams(VES_TANGENT, src, dest))
{
mesh->buildTangentVectors(VES_TANGENT, src, dest);
}
Entity *ent = gEnv->ogreSceneManager->createEntity(oname+"_ent", oname+"_mesh");
mo_node->attachObject(ent);
mo_node->setVisible(true);
//mo_node->showBoundingBox(true);
mo_node->setPosition(Vector3::ZERO); //(position.x, 0, position.z));
if (!export_fn.empty())
{
MeshSerializer *ms = new MeshSerializer();
ms->exportMesh(mesh.get(), export_fn);
LOG("spline mesh exported as " + export_fn);
delete(ms);
}
// TBD: RTSS
//Ogre::RTShader::ShaderGenerator::getSingleton().createShaderBasedTechnique(materialname, Ogre::MaterialManager::DEFAULT_SCHEME_NAME, Ogre::RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME);
//Ogre::RTShader::ShaderGenerator::getSingleton().invalidateMaterial(RTShader::ShaderGenerator::DEFAULT_SCHEME_NAME, materialname);
RTSSgenerateShadersForMaterial(materialname, "");
#endif
return 0;
}
/***
Creates a chunk at (chunk_x,chunk_y,chunk_z) in chunk coordinates.
Allocations:
- pos: position of chunk in real coordinates
- sn: chunk's scenenode
- mo: chunk's mesh (manualobject)
- vertices: memoization of mesh's vertices
- trimesh: holds triangle data for bullet
- tms: collision shape using trimesh
- ms: motion state
- rb: chunk's rigidbody
***/
void ChunkManager::createChunk(int chunk_x, int chunk_y, int chunk_z) {
if (hasChunkAtChunkCoords(chunk_x, chunk_y, chunk_z)) {
// Don't do anything if we already have a chunk there.
return;
}
mName = new Ogre::String("Chunk_"+Ogre::StringConverter::toString(chunk_x)+"_"+Ogre::StringConverter::toString(chunk_y)+"_"+Ogre::StringConverter::toString(chunk_z));
Ogre::Vector3 pos = chunkToRealCoords(chunk_x,chunk_y,chunk_z);
Ogre::SceneNode* sn = mGame->createSceneNode(pos);
clock_t t;
Game::log(TAG, "Creating chunk...");
t = clock();
Landscape* landscape = mGame->getLandscape();
Ogre::ManualObject* mo = new Ogre::ManualObject("ChunkManualObject" + *mName);
/*** The following code is to memoize the mesh creation process. I don't know if it will make things faster (most likely will), but
I'll keep it here for now to test later in case the speed of this function is slow.***/
Ogre::Vector3** vertices = new Ogre::Vector3* [(SIZES::CHUNK_SIZE+2)*(SIZES::CHUNK_SIZE+2)]; // + 2 to account for the edge vertices
for (int i = 0; i < (SIZES::CHUNK_SIZE+2)*(SIZES::CHUNK_SIZE+2); i++) {
vertices[i] = NULL;
}
// Create the meshes
//mo->begin("Astral/Grass");
mo->begin("Examples/GrassFloor");
for (int x = 0; x < SIZES::CHUNK_SIZE; x++) {
for (int z = 0; z < SIZES::CHUNK_SIZE; z++) {
// vx, vy, vz define the next vertex we want to add to the manualobject.
int vx = x + pos.x;
int vz = z + pos.z;
Ogre::Vector3 v = *getVector(vx,vz,landscape,vertices);
// add the vertex
mo->position(v);
// now we need to find the faces this vertex touches
Ogre::Vector3 ll = *getVector(vx-1,vz-1,landscape,vertices);
Ogre::Vector3 lm = *getVector(vx,vz-1,landscape,vertices);
Ogre::Vector3 lr = *getVector(vx+1,vz-1,landscape,vertices);
Ogre::Vector3 ml = *getVector(vx-1,vz,landscape,vertices);
Ogre::Vector3 mr = *getVector(vx+1,vz,landscape,vertices);
Ogre::Vector3 ul = *getVector(vx-1,vz+1,landscape,vertices);
Ogre::Vector3 um = *getVector(vx,vz+1,landscape,vertices);
Ogre::Vector3 ur = *getVector(vx+1,vz+1,landscape,vertices);
Ogre::Vector3 normal = Ogre::Vector3(0,0,0);
normal += (v - ll).crossProduct(lm - ll).normalisedCopy();
normal += (ml - ll).crossProduct(v - ll).normalisedCopy();
normal += (um - ml).crossProduct(v - ml).normalisedCopy();
normal += (ul - ml).crossProduct(um - ml).normalisedCopy();
normal += (um - v).crossProduct(ur - v).normalisedCopy();
normal += (ur - v).crossProduct(mr - v).normalisedCopy();
normal += (v - lm).crossProduct(mr - lm).normalisedCopy();
normal += (mr - lm).crossProduct(lr - lm).normalisedCopy();
mo->normal(normal.normalisedCopy());
mo->textureCoord((float)x/(float)SIZES::CHUNK_TEXTURE_TILE,(float)z/(float)SIZES::CHUNK_TEXTURE_TILE);
}
}
Game::log(TAG, "Vertices created");
btTriangleMesh* trimesh = new btTriangleMesh();
for (int x = 0; x < SIZES::CHUNK_SIZE - 1; x++) {
for (int z = 0; z < SIZES::CHUNK_SIZE - 1; z++) {
mo->triangle((x * SIZES::CHUNK_SIZE) + z + 1,
((x + 1) * SIZES::CHUNK_SIZE) + z,
(x * SIZES::CHUNK_SIZE) + z);
mo->triangle((x * SIZES::CHUNK_SIZE) + z + 1,
((x + 1) * SIZES::CHUNK_SIZE) + z + 1,
((x + 1) * SIZES::CHUNK_SIZE) + z);
Ogre::Vector3* a = vertices[(x+1)*(SIZES::CHUNK_SIZE+2)+z+2];
Ogre::Vector3* b = vertices[(x+2)*(SIZES::CHUNK_SIZE+2)+z+1];
Ogre::Vector3* c = vertices[(x+1)*(SIZES::CHUNK_SIZE+2)+z+1];
Ogre::Vector3* d = vertices[(x+2)*(SIZES::CHUNK_SIZE+2)+z+2];
trimesh->addTriangle(btVector3(a->x,a->y,a->z),
btVector3(b->x,b->y,b->z),
btVector3(c->x,c->y,c->z));
trimesh->addTriangle(btVector3(a->x,a->y,a->z),
btVector3(d->x,d->y,d->z),
btVector3(b->x,b->y,b->z));
}
}
mo->end();
sn->attachObject(mo);
Game::log(TAG, "mo attached");
btBvhTriangleMeshShape* tms = new btBvhTriangleMeshShape(trimesh,
true); //useQuantizedAabbCompression
// btShapeHull* hull = new btShapeHull(tms);
// btScalar margin = tms->getMargin();
// hull->buildHull(margin);
// btConvexHullShape* chs = new btConvexHullShape((btScalar*)hull->getVertexPointer(), hull->numVertices());
// I give it this motionstate and not an Ogre one because chunks shouldn't move anyways
btDefaultMotionState* ms = new btDefaultMotionState(btTransform(btQuaternion(0,0,0,1),btVector3(pos.x,pos.y,pos.z)));
btRigidBody::btRigidBodyConstructionInfo info(0,ms,tms);
btRigidBody* rb = new btRigidBody(info);
Game::log(TAG, "rb created");
mGame->addRigidBody(rb);
Game::log(TAG, "rb added");
// Clean up
for (int i = 0; i < (SIZES::CHUNK_SIZE+2)*(SIZES::CHUNK_SIZE+2); i++) {
delete vertices[i];
}
delete [] vertices;
// Time stats
t = clock() - t;
Game::log(TAG, "Done creating chunk mesh.");
Game::log(TAG, "Mesh created in "+Ogre::StringConverter::toString((long)t)+" ticks.");
mChunks[chunk_x][chunk_y][chunk_z] = new Chunk(sn, mo, trimesh, tms, ms, rb);
}
bool RoomsManager::UpdateObject(Room::ObjectType* object)
{
bool updated=false, inrooms=false;
Room *room;
//std::vector<Room*>::iterator iPos=Rooms.begin(), iEnd=Rooms.end();
inrooms=false;
//for (size_t i=0;i<Rooms.Size;++i)
Ogre::AxisAlignedBox box = object->GetRoomable()->GetBoundingBox(), *RoomBox;
//assert()
for (RoomsPool::ListNode *pos = Rooms.GetBegin(); pos!=NULL; pos=pos->Next)
{
room = pos->Value;
RoomBox = room->GetBox();
if (RoomBox->intersects(box))
{
updated = room->UpdateObject(object);
if (updated)
{
inrooms=true;
}
}
}
if (!inrooms)
{
/*char log[100];
sprintf(log,"Rooms 1: empty room set for object %d\n",object->GetScriptable()->GetID());
Debugging::Log("Warnings.log",log);*/
IRoomable *rmbl = object->GetRoomable();
IPhysical *phys = object->GetPhysical();
if (rmbl)
{
rmbl->RemoveFromRooms();
rmbl->GetRooms()->Clear();
switch (rmbl->GetRoomOnly())
{
case IRoomable::ROM_RESTORE:
{
for (RoomsPool::ListNode *pos = Rooms.GetBegin(); pos!=NULL; pos=pos->Next)
{
Ogre::AxisAlignedBox *box = pos->Value->GetBox();
Ogre::Vector3 center = box->getCenter();
Ogre::Vector3 position = object->GetPosition();
Ogre::Vector3 dist = position - center;
int sqradius = AAUtilities::f2i(box->getHalfSize().squaredLength())+3*phys->GetRadius();
int sqdist = AAUtilities::f2i(dist.squaredLength());
if (sqradius>sqdist)
{
//GetPhysical()->SetForwardDirection(GetOrientation()*Vector3::UNIT_Z);
//object->GetPhysical();
//object->RestoreBackupPosition();
//Ogre::Vector3 newdir=phys->GetLastVelocity();
//phys->Stop();
phys->SetReplacingDirection(-dist.normalisedCopy()*10);
break;
}
}
AddOuterObject(object);
//object->RestoreBackupPosition();
break;
}
case IRoomable::ROM_DESTROY:
{
CommonDeclarations::DeleteObjectRequest(object);
break;
}
case IRoomable::ROM_SCRIPT:
{
IScriptable *scr = object->GetScriptable();
if (scr && scr->GetID()>0)
ScriptManager::GetInstance()->Call("OnOutOfRooms", "i", false, object->GetScriptable()->GetID());
break;
}
case IRoomable::ROM_NONE:
{
AddOuterObject(object);
break;
}
};
}
}
return inrooms;
}
void SkyManager::LoadCaelumScript(std::string script, int fogStart, int fogEnd)
{
// load the caelum config
try
{
Caelum::CaelumPlugin::getSingleton().loadCaelumSystemFromScript(m_caelum_system, script);
// overwrite some settings
#ifdef CAELUM_VERSION_SEC
// important: overwrite fog settings if not using infinite farclip
if (fogStart != -1 && fogEnd != -1 && fogStart < fogEnd)
{
// setting farclip (hacky)
gEnv->mainCamera->setFarClipDistance(fogEnd / 0.8);
// custom boundaries
m_caelum_system->setManageSceneFog(Ogre::FOG_LINEAR);
m_caelum_system->setManageSceneFogStart(fogStart);
m_caelum_system->setManageSceneFogEnd(fogEnd);
}
else if (gEnv->mainCamera->getFarClipDistance() > 0)
{
if (fogStart != -1 && fogEnd != -1)
{
LOG("CaelumFogStart must be smaller then CaelumFogEnd. Ignoring boundaries.");
}
else if (fogStart != -1 || fogEnd != -1)
{
LOG("You always need to define both boundaries (CaelumFogStart AND CaelumFogEnd). Ignoring boundaries.");
}
// non infinite farclip
float farclip = gEnv->mainCamera->getFarClipDistance();
m_caelum_system->setManageSceneFog(Ogre::FOG_LINEAR);
m_caelum_system->setManageSceneFogStart(farclip * 0.7);
m_caelum_system->setManageSceneFogEnd(farclip * 0.9);
}
else
{
// no fog in infinite farclip
m_caelum_system->setManageSceneFog(Ogre::FOG_NONE);
}
#else
#error please use a recent Caelum version, see http://www.rigsofrods.org/wiki/pages/Compiling_3rd_party_libraries#Caelum
#endif // CAELUM_VERSION
// now optimize the moon a bit
if (m_caelum_system->getMoon())
{
m_caelum_system->getMoon()->setAutoDisable(true);
//m_caelum_system->getMoon()->setAutoDisableThreshold(1);
m_caelum_system->getMoon()->setForceDisable(true);
m_caelum_system->getMoon()->getMainLight()->setCastShadows(false);
}
m_caelum_system->setEnsureSingleShadowSource(true);
m_caelum_system->setEnsureSingleLightSource(true);
// enforcing update, so shadows are set correctly before creating the terrain
m_caelum_system->updateSubcomponents(0.1);
}
catch (Ogre::Exception& e)
{
RoR::LogFormat("[RoR] Exception while loading sky script: %s", e.getFullDescription().c_str());
}
Ogre::Vector3 lightsrc = m_caelum_system->getSun()->getMainLight()->getDirection();
m_caelum_system->getSun()->getMainLight()->setDirection(lightsrc.normalisedCopy());
}
void SceneNodeWrapper::setOrientationVector(const Ogre::Vector3& value)
{
mOrientationVector = value.normalisedCopy();
}
void CSpaghettiRigidBody::HandleCollision(
CSpaghettiWorld *world, /*!< The world we are moving in */
CSpaghettiRigidBody *otherRigidBody, /*!< The other rigid body to compare against */
const float deltaTime, /*!< Delta time */
std::vector<CCollision> &worldCollisionList
)
{
std::vector<CCollision> collisions;
if (!m_bounds->Intersects(otherRigidBody->GetBounds(), collisions))
return;
// no collisions stored, but there was a bound overlap
if (collisions.empty())
return;
static const float restitution = 0.9f;
float sumOfMass = 0.0f;
Ogre::Vector3 relativeVeclocity = Ogre::Vector3::ZERO;
const float inverseMassBodyOne = 1.0f / GetMass();
const float inverseMassBodyTwo = 1.0f / otherRigidBody->GetMass();
if (otherRigidBody->IsStatic())
{
sumOfMass = inverseMassBodyOne;
relativeVeclocity = GetVelocity();
}
else
{
sumOfMass = inverseMassBodyOne + inverseMassBodyTwo;
relativeVeclocity = GetVelocity() - otherRigidBody->GetVelocity();
}
unsigned int noofCollision = collisions.size();
for (unsigned int collisionIndex = 0; collisionIndex < noofCollision; ++collisionIndex)
{
worldCollisionList.push_back(collisions[collisionIndex]);
Ogre::Vector3 collisionNormal = collisions[collisionIndex].collisionNormal;
Ogre::Vector3 collisionPoint = collisions[collisionIndex].collisionPoint;
float rvDn = relativeVeclocity.dotProduct(collisionNormal);
Ogre::Vector3 impulseLinear = (collisionNormal * -(1 + restitution) * rvDn) / sumOfMass;
SetVelocity(GetVelocity() + (impulseLinear * inverseMassBodyOne));
SetPosition(GetPosition() + (-collisionNormal * collisions[collisionIndex].penetration));
//angular
Ogre::Vector3 collisionTangent = collisionNormal.crossProduct(relativeVeclocity.normalisedCopy());
collisionTangent = collisionTangent.crossProduct(collisionNormal);
static const float mu = -0.2f;
Ogre::Vector3 frictionForce = ((collisionTangent * impulseLinear.length()) * mu) / deltaTime;
AddTorqueAtPoint(frictionForce + (impulseLinear / deltaTime), collisionPoint);
if (!otherRigidBody->IsStatic())
{
otherRigidBody->SetVelocity(otherRigidBody->GetVelocity() - (impulseLinear * inverseMassBodyTwo));
otherRigidBody->SetPosition(otherRigidBody->GetPosition() + (collisionNormal * collisions[collisionIndex].penetration));
otherRigidBody->AddTorqueAtPoint(-(frictionForce + (impulseLinear / deltaTime)), collisionPoint);
}
}
}
void RenderBoxWrap::updateViewport()
{
// при нуле вылетает
if ((mRenderBox->getWidth() <= 1) || (mRenderBox->getHeight() <= 1) ) return;
if ((nullptr != mEntity) && (nullptr != mRttCam)) {
// не ¤сно, нужно ли раст¤гивать камеру, установленную юзером
mRttCam->setAspectRatio((float)mRenderBox->getWidth() / (float)mRenderBox->getHeight());
//System::Console::WriteLine("Width {0}, Height {1}", getWidth(), getHeight());
// вычисл¤ем рассто¤ние, чтобы был виден весь объект
Ogre::AxisAlignedBox box;// = mNode->_getWorldAABB();//mEntity->getBoundingBox();
VectorEntity::iterator iter = mVectorEntity.begin();
while (iter != mVectorEntity.end())
{
box.merge((*iter)->getBoundingBox().getMinimum() + (*iter)->getParentSceneNode()->_getDerivedPosition());
box.merge((*iter)->getBoundingBox().getMaximum() + (*iter)->getParentSceneNode()->_getDerivedPosition());
iter++;
}
if (box.isNull()) return;
//box.scale(Ogre::Vector3(1.41f,1.41f,1.41f));
//System::Console::WriteLine("Minimum({0}), Maximum({1})",
// gcnew System::String(Ogre::StringConverter::toString(box.getMinimum()).c_str()),
// gcnew System::String(Ogre::StringConverter::toString(box.getMaximum()).c_str()));
//box.getCenter();
Ogre::Vector3 vec = box.getSize();
// коррекци¤ под левосторонюю систему координат с осью Z направленную вверх
#ifdef LEFT_HANDED_CS_UP_Z
float width = sqrt(vec.x*vec.x + vec.y*vec.y); // самое длинное - диагональ (если крутить модель)
float len2 = width; // mRttCam->getAspectRatio();
float height = vec.z;
float len1 = height;
if (len1 < len2) len1 = len2;
len1 /= 0.86; // [sqrt(3)/2] for 60 degrees field of view
// центр объекта по вертикали + отъехать так, чтобы влезла ближн¤¤ грань BoundingBox'а + чуть вверх и еще назад дл¤ красоты
Ogre::Vector3 result = box.getCenter() - Ogre::Vector3(vec.y/2 + len1, 0, 0) - Ogre::Vector3(len1*0.2, 0, -height*0.1);
result.x *= mCurrentScale;
mCamNode->setPosition(result);
Ogre::Vector3 x = Ogre::Vector3(0, 0, box.getCenter().z + box.getCenter().z * (1-mCurrentScale)) - mCamNode->getPosition();
Ogre::Vector3 y = Ogre::Vector3(Ogre::Vector3::UNIT_Z).crossProduct(x);
Ogre::Vector3 z = x.crossProduct(y);
mCamNode->setOrientation(Ogre::Quaternion(
x.normalisedCopy(),
y.normalisedCopy(),
z.normalisedCopy()));
#else
float width = sqrt(vec.x*vec.x + vec.z*vec.z); // самое длинное - диагональ (если крутить модель)
float len2 = width / mRttCam->getAspectRatio();
float height = vec.y;
float len1 = height;
if (len1 < len2) len1 = len2;
len1 /= 0.86; // [sqrt(3)/2] for 60 degrees field of view
// центр объекта по вертикали + отъехать так, чтобы влезла ближн¤¤ грань BoundingBox'а + чуть вверх и еще назад дл¤ красоты
Ogre::Vector3 result = box.getCenter() + Ogre::Vector3(0, 0, vec.z/2 + len1) + Ogre::Vector3(0, height*0.1, len1*0.2);
result.z *= mCurrentScale;
Ogre::Vector3 look = Ogre::Vector3(0, box.getCenter().y /*+ box.getCenter().y * (1-mCurrentScale)*/, 0);
mCamNode->setPosition(result);
mCamNode->lookAt(look, Ogre::Node::TS_WORLD);
#endif
}
}
void BaseGame::SetLightDirection(const Ogre::Vector3 &lightDir)
{
assert(m_light);
m_light->setDirection(lightDir.normalisedCopy());
}
TerrainPatchData::TerrainPatchData(TerrainQuadtree* tree) :
tree(tree),
tessellation(tree->getPlanetarySurface()->getTessellation()),
vertices(tessellation + 3, std::vector<Ogre::Vector3>(tessellation + 3)),
normals(tessellation + 3, std::vector<Ogre::Vector3>(tessellation + 3)),
heights(tessellation + 3, std::vector<Ogre::Real>(tessellation + 3, 0.0)) {
int patchSize = tree->getSize();
Ogre::Real halfPatchSize = Ogre::Real(patchSize / 2);
Ogre::Real delta = (Ogre::Real)patchSize * (1.0 / (Ogre::Real)tessellation);
Ogre::SceneNode* patchSceneNode = tree->getSceneNode();
Ogre::SceneNode* planetarySceneNode = tree->getPlanetarySurface()->getSceneNode();
Ogre::Real planetaryRadius = (Ogre::Real)tree->getPlanetarySurface()->getRadius();
for (int z = -1; z < tessellation + 2; ++z) {
for (int x = -1; x < tessellation + 2; ++x) {
Ogre::Vector3 position(-halfPatchSize + delta * x, 0.0, -halfPatchSize + delta * z);
Ogre::Vector3 planetaryPosition = planetarySceneNode->convertWorldToLocalPosition(patchSceneNode->convertLocalToWorldPosition(position));
planetaryPosition = mapToSphere(planetaryPosition, planetaryRadius);
Ogre::Vector3 normal = planetaryPosition.normalisedCopy();
Ogre::Real height = tree->getPlanetarySurface()->getNoiseFunction()->getValue(planetaryPosition);
planetaryPosition = planetarySceneNode->convertLocalToWorldPosition(planetaryPosition);
position = patchSceneNode->convertWorldToLocalPosition(planetaryPosition);
normal = (tree->getRootSceneNode()->getOrientation().Inverse() * normal).normalisedCopy();
vertices[z + 1][x + 1] = position;
normals[z + 1][x + 1] = normal;
heights[z + 1][x + 1] = height;
}
}
for (int z = 0; z < tessellation + 1; ++z) {
for (int x = 0; x < tessellation + 1; ++x) {
processedPositions.push_back(getVertex(x, z));
processedNormals.push_back(getVertexNormal(x, z));
processedTextureCoords.push_back(getNormal(x, z));
}
}
// Add triangles.
for (int z = 0; z < tessellation; ++z) {
int zOffset = z * (tessellation + 1);
for (int x = 0; x < tessellation; ++x) {
int indices[4] = {
zOffset + x,
zOffset + x + 1,
zOffset + tessellation + 1 + x,
zOffset + tessellation + 1 + x + 1
};
processedIndices.push_back(indices[0]);
processedIndices.push_back(indices[2]);
processedIndices.push_back(indices[1]);
processedIndices.push_back(indices[2]);
processedIndices.push_back(indices[3]);
processedIndices.push_back(indices[1]);
}
}
}
void PhysicsEngine::Update(const Ogre::FrameEvent &fe)
{
std::vector<PhysicsEntity *> gravitationalEntities;
std::vector<PhysicsEntity *> dynamicEntities;
std::vector<PhysicsEntity *> collidableEntities;
for (std::vector<PhysicsEntity *>::iterator it = physicsEntities.begin(); it != physicsEntities.end(); ++it)
{
if ((*it)->isAlive())
{
if ((*it)->IsGravitational())
{
gravitationalEntities.push_back(*it);
}
if ((*it)->IsDynamic())
{
dynamicEntities.push_back(*it);
}
if ((*it)->GetBodyType() != ENTITY_BODY_METAPHYSICAL)
{
collidableEntities.push_back(*it);
}
}
}
for (std::vector<PhysicsEntity *>::iterator it = dynamicEntities.begin(); it != dynamicEntities.end(); ++it)
{
for (std::vector<PhysicsEntity *>::iterator gr = gravitationalEntities.begin(); gr != gravitationalEntities.end(); ++gr)
{
if (*it != *gr)
{
Ogre::Vector3 distance = (*gr)->getPosition() - (*it)->getPosition();
if (distance.squaredLength() != 0.0f)
{
Ogre::Vector3 force = distance.normalisedCopy() *
gravitationalConstant * (((*it)->GetMass() * (*gr)->GetMass()) /
((*gr)->IsAbsoluteGravitationalPull() ? ((*gr)->GetRadius() + (*it)->GetRadius()) : distance.squaredLength()));
(*it)->ApplyForce(force);
if ((*gr)->IsDynamic())
{
(*gr)->ApplyForce(force);
}
}
}
}
}
while (collidableEntities.size() > 0)
{
PhysicsEntity *i = collidableEntities.back();
for (std::vector<PhysicsEntity *>::reverse_iterator it = collidableEntities.rbegin(); it != collidableEntities.rend(); ++it)
{
if (i != (*it) && i->isAlive() && (*it)->isAlive() &&
//i->GetObjectID() != (*it)->GetObjectID() && i->GetParentID() != (*it)->GetParentID() &&
i->GetObjectID() != (*it)->GetParentID() && i->GetParentID() != (*it)->GetObjectID())
{
if (i->GetBodyType() == ENTITY_BODY_SPHERE || i->GetBodyType() == ENTITY_BODY_METAPHYSICAL_SPHERE)
{
if ((*it)->GetBodyType() == ENTITY_BODY_SPHERE || (*it)->GetBodyType() == ENTITY_BODY_METAPHYSICAL_SPHERE)
{
PerformSphereSphereCollisionTest(fe, i, *it);
}
else if ((*it)->GetBodyType() == ENTITY_BODY_RAY || (*it)->GetBodyType() == ENTITY_BODY_METAPHYSICAL_RAY)
{
PerformRaySphereCollisionTest(fe, *it, i);
}
}
else if (i->GetBodyType() == ENTITY_BODY_RAY || i->GetBodyType() == ENTITY_BODY_METAPHYSICAL_RAY)
{
if ((*it)->GetBodyType() == ENTITY_BODY_SPHERE || (*it)->GetBodyType() == ENTITY_BODY_METAPHYSICAL_SPHERE)
{
PerformRaySphereCollisionTest(fe, i, *it);
}
}
}
}
collidableEntities.pop_back();
}
}