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flightgear/src/Main/fgfs.cxx
2003-03-19 17:46:52 +00:00

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#include "fgfs.hxx"
#include <simgear/debug/logstream.hxx>
#include <simgear/misc/exception.hxx>
#include "globals.hxx"
#include "fg_props.hxx"
////////////////////////////////////////////////////////////////////////
// Implementation of FGSubsystem
////////////////////////////////////////////////////////////////////////
FGSubsystem::FGSubsystem ()
: _suspended(false)
{
}
FGSubsystem::~FGSubsystem ()
{
}
void
FGSubsystem::init ()
{
}
void
FGSubsystem::reinit ()
{
}
void
FGSubsystem::bind ()
{
}
void
FGSubsystem::unbind ()
{
}
void
FGSubsystem::suspend ()
{
_suspended = true;
}
void
FGSubsystem::suspend (bool suspended)
{
_suspended = suspended;
}
void
FGSubsystem::resume ()
{
_suspended = false;
}
bool
FGSubsystem::is_suspended () const
{
if (!_freeze_master_node.valid())
_freeze_master_node = fgGetNode("/sim/freeze/master", true);
return _suspended || _freeze_master_node->getBoolValue();
}
////////////////////////////////////////////////////////////////////////
// Implementation of FGSubsystemGroup.
////////////////////////////////////////////////////////////////////////
FGSubsystemGroup::FGSubsystemGroup ()
{
}
FGSubsystemGroup::~FGSubsystemGroup ()
{
for (unsigned int i = 0; i < _members.size(); i++)
delete _members[i];
}
void
FGSubsystemGroup::init ()
{
for (unsigned int i = 0; i < _members.size(); i++)
_members[i]->subsystem->init();
}
void
FGSubsystemGroup::reinit ()
{
for (unsigned int i = 0; i < _members.size(); i++)
_members[i]->subsystem->reinit();
}
void
FGSubsystemGroup::bind ()
{
for (unsigned int i = 0; i < _members.size(); i++)
_members[i]->subsystem->bind();
}
void
FGSubsystemGroup::unbind ()
{
for (unsigned int i = 0; i < _members.size(); i++)
_members[i]->subsystem->unbind();
}
void
FGSubsystemGroup::update (double delta_time_sec)
{
for (unsigned int i = 0; i < _members.size(); i++)
_members[i]->update(delta_time_sec); // indirect call
}
void
FGSubsystemGroup::suspend ()
{
for (unsigned int i = 0; i < _members.size(); i++)
_members[i]->subsystem->suspend();
}
void
FGSubsystemGroup::resume ()
{
for (unsigned int i = 0; i < _members.size(); i++)
_members[i]->subsystem->resume();
}
bool
FGSubsystemGroup::is_suspended () const
{
return false;
}
void
FGSubsystemGroup::set_subsystem (const string &name, FGSubsystem * subsystem,
double min_step_sec)
{
Member * member = get_member(name, true);
if (member->subsystem != 0)
delete member->subsystem;
member->name = name;
member->subsystem = subsystem;
member->min_step_sec = min_step_sec;
}
FGSubsystem *
FGSubsystemGroup::get_subsystem (const string &name)
{
Member * member = get_member(name);
if (member != 0)
return member->subsystem;
else
return 0;
}
void
FGSubsystemGroup::remove_subsystem (const string &name)
{
for (unsigned int i = 0; i < _members.size(); i++) {
if (name == _members[i]->name) {
_members.erase(_members.begin() + i);
return;
}
}
}
bool
FGSubsystemGroup::has_subsystem (const string &name) const
{
return (((FGSubsystemGroup *)this)->get_member(name) != 0);
}
FGSubsystemGroup::Member *
FGSubsystemGroup::get_member (const string &name, bool create)
{
for (unsigned int i = 0; i < _members.size(); i++) {
if (_members[i]->name == name)
return _members[i];
}
if (create) {
Member * member = new Member;
_members.push_back(member);
return member;
} else {
return 0;
}
}
////////////////////////////////////////////////////////////////////////
// Implementation of FGSubsystemGroup::Member
////////////////////////////////////////////////////////////////////////
FGSubsystemGroup::Member::Member ()
: name(""),
subsystem(0),
min_step_sec(0),
elapsed_sec(0)
{
}
FGSubsystemGroup::Member::Member (const Member &)
{
Member();
}
FGSubsystemGroup::Member::~Member ()
{
// FIXME: causes a crash
// delete subsystem;
}
void
FGSubsystemGroup::Member::update (double delta_time_sec)
{
elapsed_sec += delta_time_sec;
if (elapsed_sec >= min_step_sec) {
if (!subsystem->is_suspended()) {
subsystem->update(elapsed_sec);
elapsed_sec = 0;
}
}
}
////////////////////////////////////////////////////////////////////////
// Implementation of FGSubsystemMgr.
////////////////////////////////////////////////////////////////////////
FGSubsystemMgr::FGSubsystemMgr ()
{
}
FGSubsystemMgr::~FGSubsystemMgr ()
{
}
void
FGSubsystemMgr::init ()
{
for (int i = 0; i < MAX_GROUPS; i++)
_groups[i].init();
}
void
FGSubsystemMgr::reinit ()
{
for (int i = 0; i < MAX_GROUPS; i++)
_groups[i].reinit();
}
void
FGSubsystemMgr::bind ()
{
for (int i = 0; i < MAX_GROUPS; i++)
_groups[i].bind();
}
void
FGSubsystemMgr::unbind ()
{
for (int i = 0; i < MAX_GROUPS; i++)
_groups[i].unbind();
}
void
FGSubsystemMgr::update (double delta_time_sec)
{
for (int i = 0; i < MAX_GROUPS; i++) {
_groups[i].update(delta_time_sec);
}
}
void
FGSubsystemMgr::suspend ()
{
for (int i = 0; i < MAX_GROUPS; i++)
_groups[i].suspend();
}
void
FGSubsystemMgr::resume ()
{
for (int i = 0; i < MAX_GROUPS; i++)
_groups[i].resume();
}
bool
FGSubsystemMgr::is_suspended () const
{
return false;
}
void
FGSubsystemMgr::add (const char * name, FGSubsystem * subsystem,
GroupType group, double min_time_sec)
{
SG_LOG(SG_GENERAL, SG_INFO, "Adding subsystem " << name);
get_group(group)->set_subsystem(name, subsystem, min_time_sec);
if (_subsystem_map.find(name) != _subsystem_map.end()) {
SG_LOG(SG_GENERAL, SG_ALERT, "Adding duplicate subsystem " << name);
throw sg_exception("duplicate subsystem");
}
_subsystem_map[name] = subsystem;
}
FGSubsystemGroup *
FGSubsystemMgr::get_group (GroupType group)
{
return &(_groups[group]);
}
FGSubsystem *
FGSubsystemMgr::get_subsystem (const string &name)
{
map<string,FGSubsystem *>::iterator s =_subsystem_map.find(name);
if (s == _subsystem_map.end())
return 0;
else
return s->second;
}
// end of fgfs.cxx