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Move X-Plane interpolation into driver

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ref T259
This commit is contained in:
Roland Winklmeier
2018-02-18 12:42:54 +01:00
committed by Klaus Basan
parent f3b48f75a1
commit 4db0b83310
8 changed files with 792 additions and 77 deletions
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92
src/xswiftbus/traffic.cpp
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@@ -21,6 +21,7 @@
#include <XPLM/XPLMProcessing.h>
#include <XPLM/XPLMUtilities.h>
#include <QDateTime>
#include <QDebug>
#include <QStringList>
#include <cstring>
#include <cmath>
@@ -74,6 +75,7 @@ namespace XSwiftBus
CTraffic::CTraffic(QObject *parent) :
QObject(parent)
{
XPLMRegisterDrawCallback(CTraffic::drawCallback, xplm_Phase_Airplanes, 0, this);
}
CTraffic::~CTraffic()
@@ -124,6 +126,21 @@ namespace XSwiftBus
m_initialized = false;
XPMPMultiplayerCleanup();
}
XPLMUnregisterDrawCallback(CTraffic::drawCallback, xplm_Phase_Airplanes, 0, this);
}
void CTraffic::emitSimFrame()
{
qint64 currentMSecsSinceEpoch = QDateTime::currentMSecsSinceEpoch();
// The draw callback is called twice for unknown reasons each frame. We can filter the second one by
// requiring a minimum offset of 5 ms (equal to 200 fps).
if (currentMSecsSinceEpoch > m_timestampLastSimFrame + 5)
{
emit simFrame();
m_timestampLastSimFrame = currentMSecsSinceEpoch;
}
}
int g_maxPlanes = 100;
@@ -258,6 +275,17 @@ namespace XSwiftBus
}
}
void CTraffic::setPlanePosition(const QString &callsign, double latitude, double longitude, double altitude, double pitch, double roll, double heading)
{
const auto plane = m_planesByCallsign.value(callsign, nullptr);
plane->position.lat = latitude;
plane->position.lon = longitude;
plane->position.elevation = altitude;
plane->position.pitch = static_cast<float>(pitch);
plane->position.roll = static_cast<float>(roll);
plane->position.heading = static_cast<float>(heading);
}
void CTraffic::addPlaneSurfaces(const QString &callsign, double gear, double flap, double spoiler, double speedBrake, double slat, double wingSweep, double thrust,
double elevator, double rudder, double aileron, bool landLight, bool beaconLight, bool strobeLight, bool navLight, int lightPattern, bool onGround, qint64 relativeTime, qint64 timeOffset)
{
@@ -295,6 +323,32 @@ namespace XSwiftBus
}
}
void CTraffic::setPlaneSurfaces(const QString &callsign, double gear, double flap, double spoiler, double speedBrake, double slat, double wingSweep, double thrust,
double elevator, double rudder, double aileron, bool landLight, bool beaconLight, bool strobeLight, bool navLight, int lightPattern, bool onGround)
{
Q_UNUSED(onGround);
const auto plane = m_planesByCallsign.value(callsign, nullptr);
if (plane)
{
plane->hasSurfaces = true;
plane->targetGearPosition = gear;
plane->surfaces.flapRatio = flap;
plane->surfaces.spoilerRatio = spoiler;
plane->surfaces.speedBrakeRatio = speedBrake;
plane->surfaces.slatRatio = slat;
plane->surfaces.wingSweep = wingSweep;
plane->surfaces.thrust = thrust;
plane->surfaces.yokePitch = elevator;
plane->surfaces.yokeHeading = rudder;
plane->surfaces.yokeRoll = aileron;
plane->surfaces.lights.landLights = landLight;
plane->surfaces.lights.bcnLights = beaconLight;
plane->surfaces.lights.strbLights = strobeLight;
plane->surfaces.lights.navLights = navLight;
plane->surfaces.lights.flashPattern = lightPattern;
}
}
void CTraffic::setPlaneTransponder(const QString &callsign, int code, bool modeC, bool ident)
{
const auto plane = m_planesByCallsign.value(callsign, nullptr);
@@ -342,6 +396,20 @@ namespace XSwiftBus
switch (dataType)
{
case xpmpDataType_Position:
{
if (c_driverInterpolation)
{
const auto io_position = static_cast<XPMPPlanePosition_t *>(io_data);
io_position->lat = plane->position.lat;
io_position->lon = plane->position.lon;
io_position->elevation = plane->position.elevation;
io_position->pitch = plane->position.pitch;
io_position->roll = plane->position.roll;
io_position->heading = plane->position.heading;
std::strncpy(io_position->label, plane->label, sizeof(plane->label)); // fixme don't need to copy on every frame
return xpmpData_NewData;
}
else
{
BlackMisc::Simulation::CInterpolationAndRenderingSetup setup;
BlackMisc::Simulation::CInterpolationStatus status;
@@ -364,16 +432,23 @@ namespace XSwiftBus
return xpmpData_NewData;
}
}
case xpmpDataType_Surfaces:
if (plane->hasSurfaces)
{
const auto currentTime = QDateTime::currentMSecsSinceEpoch();
while (! plane->pendingSurfaces.isEmpty() && plane->pendingSurfaces.constFirst().first <= currentTime)
if (! c_driverInterpolation)
{
//! \todo if gear is currently retracted, look ahead and pull gear position from pendingSurfaces up to 5 seconds in the future
plane->pendingSurfaces.constFirst().second(plane);
plane->pendingSurfaces.pop_front();
while (! plane->pendingSurfaces.isEmpty() && plane->pendingSurfaces.constFirst().first <= currentTime)
{
//! \todo if gear is currently retracted, look ahead and pull gear position from pendingSurfaces up to 5 seconds in the future
plane->pendingSurfaces.constFirst().second(plane);
plane->pendingSurfaces.pop_front();
}
}
if (plane->surfaces.gearPosition != plane->targetGearPosition)
{
// interpolate gear position
@@ -412,6 +487,15 @@ namespace XSwiftBus
}
}
int CTraffic::drawCallback(XPLMDrawingPhase phase, int isBefore, void *refcon)
{
Q_UNUSED(phase);
Q_UNUSED(isBefore);
CTraffic *traffic = static_cast<CTraffic *>(refcon);
traffic->emitSimFrame();
return 1;
}
}
//! \endcond