private int DrawAfterHook(XPLMDrawingPhase inPhase, int inIsBefore)
{
Assert.Equal(0, inIsBefore);
var dr = Api.Data.GetInt(TestData.Name($"draw/hook/count"));
++dr.Value;
return(1);
}
private unsafe int XPLMDrawHook(XPLMDrawingPhase inPhase, int inIsBefore, void *inRefcon)
{
try
{
var ret = m_loopDelegate(inPhase, inIsBefore);
return(ret);
}
catch (Exception exc)
{
PluginBridge.Log.Log(exc);
return(1); // If an exception happens in the draw hook, then let X-Plane draw
}
}
private int DrawingHook(XPLMDrawingPhase inPhase, int inIsBefore)
{
m_api.Log.Log("GraphicsTestPlugin: Entering drawing hook");
var(x, y, z) = m_api.Graphics.WorldToLocal(47.439444, 19.261944, 0);
var res = m_probe.ProbeTerrainXYZ((float)x, 0, (float)z);
m_api.Log.Log($"Probed terrain, got result {res.LocationY} with code {res.Result}");
var(lat, lon, alt) = m_api.Graphics.LocalToWorld(res.LocationX, res.LocationY, res.LocationZ);
testTug.Draw(0, 0, new XPLMDrawInfo_t[] { new XPLMDrawInfo_t(res.LocationX, res.LocationY, res.LocationZ, 0.0f, 0.0f, 0.0f) });
return(1);
}
public unsafe XPDrawingLoopHook(DrawDelegate drawCallbackDelegate, XPLMDrawingPhase inPhase, int inWantsBefore)
{
m_loopDelegate = drawCallbackDelegate;
m_inPhase = inPhase;
m_inWantsBefore = inWantsBefore;
m_hookDelegate = new XPLMDrawCallback_f(XPLMDrawHook);
var res = PluginBridge.ApiFunctions.XPLMRegisterDrawCallback(m_hookDelegate, m_inPhase, m_inWantsBefore, null);
if (res == 0)
{
throw new ArgumentException($"Phase {m_inPhase} does not exist in this version of X-Plane");
}
else if (res > 1)
{
throw new Exception($"Unexpected return value {res}.");
}
}
public IXPDrawingLoopHook RegisterDrawHook(DrawDelegate drawDelegate, XPLMDrawingPhase inPhase, int inWantsBefore)
{
return(new XPDrawingLoopHook(drawDelegate, inPhase, inWantsBefore));
}
