float TerrainInfo::GetHeightStatic(float x, float y, float z, bool useVmaps/*=true*/, float maxSearchDist/*=DEFAULT_HEIGHT_SEARCH*/) const
{
float mapHeight = VMAP_INVALID_HEIGHT_VALUE; // Store Height obtained by maps
float vmapHeight = VMAP_INVALID_HEIGHT_VALUE; // Store Height obtained by vmaps (in "corridor" of z (or slightly above z)
float z2 = z + 2.f;
// find raw .map surface under Z coordinates (or well-defined above)
if (GridMap* gmap = const_cast<TerrainInfo*>(this)->GetGrid(x, y))
mapHeight = gmap->getHeight(x, y);
if (useVmaps)
{
VMAP::IVMapManager* vmgr = VMAP::VMapFactory::createOrGetVMapManager();
if (vmgr && vmgr->isHeightCalcEnabled())
{
// if mapHeight has been found search vmap height at least until mapHeight point
// this prevent case when original Z "too high above ground and vmap height search fail"
// this will not affect most normal cases (no map in instance, or stay at ground at continent)
if (mapHeight > INVALID_HEIGHT && z2 - mapHeight > maxSearchDist)
maxSearchDist = z2 - mapHeight + 1.0f; // 1.0 make sure that we not fail for case when map height near but above for vamp height
// look from a bit higher pos to find the floor
vmapHeight = vmgr->getHeight(GetMapId(), x, y, z2, maxSearchDist);
// if not found in expected range, look for infinity range (case of far above floor, but below terrain-height)
if (vmapHeight <= INVALID_HEIGHT)
vmapHeight = vmgr->getHeight(GetMapId(), x, y, z2, 10000.0f);
// still not found, look near terrain height
if (vmapHeight <= INVALID_HEIGHT && mapHeight > INVALID_HEIGHT && z2 < mapHeight)
vmapHeight = vmgr->getHeight(GetMapId(), x, y, mapHeight + 2.0f, DEFAULT_HEIGHT_SEARCH);
}
}
// mapHeight set for any above raw ground Z or <= INVALID_HEIGHT
// vmapheight set for any under Z value or <= INVALID_HEIGHT
if (vmapHeight > INVALID_HEIGHT)
{
if (mapHeight > INVALID_HEIGHT)
{
// we have mapheight and vmapheight and must select more appropriate
// we are already under the surface or vmap height above map heigt
if (z < mapHeight || vmapHeight > mapHeight)
return vmapHeight;
else
return mapHeight; // better use .map surface height
}
else
return vmapHeight; // we have only vmapHeight (if have)
}
return mapHeight;
}
float TerrainHolder::GetLandHeight(float x, float y, float z)
{
float adtheight = GetADTLandHeight(x, y);
VMAP::IVMapManager* vmgr = VMAP::VMapFactory::createOrGetVMapManager();
float vmapheight = vmgr->getHeight(m_mapid, x, y, z + 0.5f, 10000.0f);
if (adtheight > z)
return vmapheight; //underground
return std::max(vmapheight, adtheight);
}
float TerrainInfo::GetHeight(float x, float y, float z, bool pUseVmaps, float maxSearchDist) const
{
// find raw .map surface under Z coordinates
float mapHeight;
float z2 = z + 2.f;
if (GridMap *gmap = const_cast<TerrainInfo*>(this)->GetGrid(x, y))
{
float _mapheight = gmap->getHeight(x,y);
// look from a bit higher pos to find the floor, ignore under surface case
if (z2 > _mapheight)
mapHeight = _mapheight;
else
mapHeight = VMAP_INVALID_HEIGHT_VALUE;
}
else
mapHeight = VMAP_INVALID_HEIGHT_VALUE;
float vmapHeight;
if (pUseVmaps)
{
VMAP::IVMapManager* vmgr = VMAP::VMapFactory::createOrGetVMapManager();
if (vmgr->isHeightCalcEnabled())
{
// if mapHeight has been found search vmap height at least until mapHeight point
// this prevent case when original Z "too high above ground and vmap height search fail"
// this will not affect most normal cases (no map in instance, or stay at ground at continent)
if (mapHeight > INVALID_HEIGHT && z2 - mapHeight > maxSearchDist)
maxSearchDist = z2 - mapHeight + 1.0f; // 1.0 make sure that we not fail for case when map height near but above for vamp height
// look from a bit higher pos to find the floor
vmapHeight = vmgr->getHeight(GetMapId(), x, y, z2, maxSearchDist);
}
else
vmapHeight = VMAP_INVALID_HEIGHT_VALUE;
}
else
vmapHeight = VMAP_INVALID_HEIGHT_VALUE;
// mapHeight set for any above raw ground Z or <= INVALID_HEIGHT
// vmapheight set for any under Z value or <= INVALID_HEIGHT
if (vmapHeight > INVALID_HEIGHT)
{
if (mapHeight > INVALID_HEIGHT)
{
// we have mapheight and vmapheight and must select more appropriate
// we are already under the surface or vmap height above map heigt
// or if the distance of the vmap height is less the land height distance
if (z < mapHeight || vmapHeight > mapHeight || fabs(mapHeight-z) > fabs(vmapHeight-z))
return vmapHeight;
else
return mapHeight; // better use .map surface height
}
else
return vmapHeight; // we have only vmapHeight (if have)
}
return mapHeight;
}