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More robust behaviour when the tilemanager reports 'no scenery'.

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Insert log if this happens.

Modified Files:
	flight.cxx groundcache.cxx
This commit is contained in:
frohlich 2009-03-12 06:18:53 +00:00 committed by Tim Moore
parent 0e72224559
commit 16211c9440
2 changed files with 15 additions and 11 deletions
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14
src/FDM/flight.cxx
View file

@ -731,9 +731,8 @@ FGInterface::get_agl_m(double t, const double pt[3], double max_altoff,
SGVec3d pt_m = SGVec3d(pt) - max_altoff*ground_cache.get_down();
SGVec3d _contact, _normal, _linearVel, _angularVel;
material = 0;
if (!ground_cache.get_agl(t, pt_m, _contact, _normal, _linearVel,
_angularVel, id, material))
return false;
bool ret = ground_cache.get_agl(t, pt_m, _contact, _normal, _linearVel,
_angularVel, id, material);
// correct the linear velocity, since the line intersector delivers
// values for the start point and the get_agl function should
// traditionally deliver for the contact point
@ -743,7 +742,7 @@ FGInterface::get_agl_m(double t, const double pt[3], double max_altoff,
assign(normal, _normal);
assign(linearVel, _linearVel);
assign(angularVel, _angularVel);
return true;
return ret;
}
bool
@ -757,9 +756,8 @@ FGInterface::get_agl_ft(double t, const double pt[3], double max_altoff,
pt_m *= SG_FEET_TO_METER;
SGVec3d _contact, _normal, _linearVel, _angularVel;
material = 0;
if (!ground_cache.get_agl(t, pt_m, _contact, _normal, _linearVel,
_angularVel, id, material))
return false;
bool ret = ground_cache.get_agl(t, pt_m, _contact, _normal, _linearVel,
_angularVel, id, material);
// correct the linear velocity, since the line intersector delivers
// values for the start point and the get_agl function should
// traditionally deliver for the contact point
@ -770,7 +768,7 @@ FGInterface::get_agl_ft(double t, const double pt[3], double max_altoff,
assign( normal, _normal );
assign( linearVel, SG_METER_TO_FEET*_linearVel );
assign( angularVel, _angularVel );
return true;
return ret;
}
bool

12
src/FDM/groundcache.cxx
View file

@ -245,9 +245,12 @@ FGGroundCache::prepare_ground_cache(double ref_time, const SGVec3d& pt,
SGGeod geodPt = SGGeod::fromCart(pt);
// Don't blow away the cache ground_radius and stuff if there's no
// scenery
if (!globals->get_tile_mgr()->scenery_available(geodPt, rad))
if (!globals->get_tile_mgr()->scenery_available(geodPt, rad)) {
SG_LOG(SG_FLIGHT, SG_WARN, "prepare_ground_cache(): scenery_available "
"returns false at " << geodPt << " " << pt << " " << rad);
return false;
_altitude = 0;
}
_material = 0;
// If we have an active wire, get some more area into the groundcache
if (_wire)
@ -283,8 +286,11 @@ FGGroundCache::prepare_ground_cache(double ref_time, const SGVec3d& pt,
found_ground = true;
} else {
// Else do a crude scene query for the current point
double alt = 0;
found_ground = globals->get_scenery()->
get_cart_elevation_m(pt, rad, _altitude, &_material);
get_cart_elevation_m(pt, rad, alt, &_material);
if (found_ground)
_altitude = alt;
}
// Still not sucessful??