void Space::TimeStep(float step)
{
m_frameIndexValid = m_bodyIndexValid = m_sbodyIndexValid = false;
// XXX does not need to be done this often
CollideFrame(m_rootFrame.Get());
// update frames of reference
for (BodyIterator i = m_bodies.begin(); i != m_bodies.end(); ++i)
(*i)->UpdateFrame();
// AI acts here, then move all bodies and frames
for (BodyIterator i = m_bodies.begin(); i != m_bodies.end(); ++i)
(*i)->StaticUpdate(step);
m_rootFrame->UpdateOrbitRails(m_game->GetTime(), m_game->GetTimeStep());
for (BodyIterator i = m_bodies.begin(); i != m_bodies.end(); ++i)
(*i)->TimeStepUpdate(step);
// XXX don't emit events in hyperspace. this is mostly to maintain the
// status quo. in particular without this onEnterSystem will fire in the
// frame immediately before the player leaves hyperspace and the system is
// invalid when Lua goes and queries for it. we need to consider whether
// there's anything useful that can be done with events in hyperspace
if (m_starSystem) {
LuaEvent::Emit();
Pi::luaTimer->Tick();
}
UpdateBodies();
}
void Space::Update(double gameTime, double deltaTime)
{
CollideFrame(m_rootFrame.get());
m_frameUpdateSystem->update(m_entities, m_events, deltaTime);
//run static update
m_rootFrame->UpdateOrbitRails(gameTime, deltaTime);
//run time step updates
}
void Space::TimeStep(float step)
{
m_frameIndexValid = m_bodyIndexValid = m_sbodyIndexValid = false;
// XXX does not need to be done this often
CollideFrame(m_rootFrame.Get());
// update frames of reference
for (BodyIterator i = m_bodies.begin(); i != m_bodies.end(); ++i)
(*i)->UpdateFrame();
// AI acts here, then move all bodies and frames
for (BodyIterator i = m_bodies.begin(); i != m_bodies.end(); ++i)
(*i)->StaticUpdate(step);
m_rootFrame->UpdateOrbitRails(m_game->GetTime(), m_game->GetTimeStep());
for (BodyIterator i = m_bodies.begin(); i != m_bodies.end(); ++i)
(*i)->TimeStepUpdate(step);
// XXX don't emit events in hyperspace. this is mostly to maintain the
// status quo. in particular without this onEnterSystem will fire in the
// frame immediately before the player leaves hyperspace and the system is
// invalid when Lua goes and queries for it. we need to consider whether
// there's anything useful that can be done with events in hyperspace
if (m_starSystem) {
Pi::luaOnEnterSystem->Emit();
Pi::luaOnLeaveSystem->Emit();
Pi::luaOnFrameChanged->Emit();
Pi::luaOnShipHit->Emit();
Pi::luaOnShipCollided->Emit();
Pi::luaOnShipDestroyed->Emit();
Pi::luaOnShipDocked->Emit();
Pi::luaOnShipAlertChanged->Emit();
Pi::luaOnShipUndocked->Emit();
Pi::luaOnShipLanded->Emit();
Pi::luaOnShipTakeOff->Emit();
Pi::luaOnJettison->Emit();
Pi::luaOnCargoUnload->Emit();
Pi::luaOnAICompleted->Emit();
Pi::luaOnCreateBB->Emit();
Pi::luaOnUpdateBB->Emit();
Pi::luaOnShipFlavourChanged->Emit();
Pi::luaOnShipEquipmentChanged->Emit();
Pi::luaOnShipFuelChanged->Emit();
Pi::luaTimer->Tick();
}
UpdateBodies();
}
void Space::CollideFrame(Frame *f)
{
if (f->m_astroBody && (f->m_astroBody->IsType(Object::TERRAINBODY))) {
// this is pretty retarded
for (BodyIterator i = m_bodies.begin(); i!=m_bodies.end(); ++i) {
if ((*i)->GetFrame() != f) continue;
if (!(*i)->IsType(Object::DYNAMICBODY)) continue;
DynamicBody *dynBody = static_cast<DynamicBody*>(*i);
Aabb aabb;
dynBody->GetAabb(aabb);
const matrix4x4d &trans = dynBody->GetGeom()->GetTransform();
const vector3d aabbCorners[8] = {
vector3d(aabb.min.x, aabb.min.y, aabb.min.z),
vector3d(aabb.min.x, aabb.min.y, aabb.max.z),
vector3d(aabb.min.x, aabb.max.y, aabb.min.z),
vector3d(aabb.min.x, aabb.max.y, aabb.max.z),
vector3d(aabb.max.x, aabb.min.y, aabb.min.z),
vector3d(aabb.max.x, aabb.min.y, aabb.max.z),
vector3d(aabb.max.x, aabb.max.y, aabb.min.z),
vector3d(aabb.max.x, aabb.max.y, aabb.max.z)
};
CollisionContact c;
for (int j=0; j<8; j++) {
const vector3d &s = aabbCorners[j];
vector3d pos = trans * s;
double terrain_height = static_cast<Planet*>(f->m_astroBody)->GetTerrainHeight(pos.Normalized());
double altitude = pos.Length();
double hitDepth = terrain_height - altitude;
if (altitude < terrain_height) {
c.pos = pos;
c.normal = pos.Normalized();
c.depth = hitDepth;
c.userData1 = static_cast<void*>(dynBody);
c.userData2 = static_cast<void*>(f->m_astroBody);
hitCallback(&c);
}
}
}
}
f->GetCollisionSpace()->Collide(&hitCallback);
for (std::list<Frame*>::iterator i = f->m_children.begin(); i != f->m_children.end(); ++i) {
CollideFrame(*i);
}
}
void Space::CollideFrame(Frame *f)
{
f->GetCollisionSpace()->Collide(&hitCallback);
for (Frame::ChildIterator it = f->BeginChildren(); it != f->EndChildren(); ++it)
CollideFrame(*it);
}
void Space::CollideFrame(Frame* f)
{
f->GetCollisionSpace()->Collide(&hitCallback);
for (auto child : f->GetChildren())
CollideFrame(child);
}
