bool SceneCullingState::isOccludedByTerrain( SceneObject* object ) const
{
PROFILE_SCOPE( SceneCullingState_isOccludedByTerrain );
// Don't try to occlude globally bounded objects.
if( object->isGlobalBounds() )
return false;
const Vector< SceneObject* >& terrains = getSceneManager()->getContainer()->getTerrains();
const U32 numTerrains = terrains.size();
for( U32 terrainIdx = 0; terrainIdx < numTerrains; ++ terrainIdx )
{
TerrainBlock* terrain = dynamic_cast< TerrainBlock* >( terrains[ terrainIdx ] );
if( !terrain )
continue;
MatrixF terrWorldTransform = terrain->getWorldTransform();
Point3F localCamPos = getCameraState().getViewPosition();
terrWorldTransform.mulP(localCamPos);
F32 height;
terrain->getHeight( Point2F( localCamPos.x, localCamPos.y ), &height );
bool aboveTerrain = ( height <= localCamPos.z );
// Don't occlude if we're below the terrain. This prevents problems when
// looking out from underground bases...
if( !aboveTerrain )
continue;
const Box3F& oBox = object->getObjBox();
F32 minSide = getMin(oBox.len_x(), oBox.len_y());
if (minSide > 85.0f)
continue;
const Box3F& rBox = object->getWorldBox();
Point3F ul(rBox.minExtents.x, rBox.minExtents.y, rBox.maxExtents.z);
Point3F ur(rBox.minExtents.x, rBox.maxExtents.y, rBox.maxExtents.z);
Point3F ll(rBox.maxExtents.x, rBox.minExtents.y, rBox.maxExtents.z);
Point3F lr(rBox.maxExtents.x, rBox.maxExtents.y, rBox.maxExtents.z);
terrWorldTransform.mulP(ul);
terrWorldTransform.mulP(ur);
terrWorldTransform.mulP(ll);
terrWorldTransform.mulP(lr);
Point3F xBaseL0_s = ul - localCamPos;
Point3F xBaseL0_e = lr - localCamPos;
Point3F xBaseL1_s = ur - localCamPos;
Point3F xBaseL1_e = ll - localCamPos;
static F32 checkPoints[3] = {0.75, 0.5, 0.25};
RayInfo rinfo;
for( U32 i = 0; i < 3; i ++ )
{
Point3F start = (xBaseL0_s * checkPoints[i]) + localCamPos;
Point3F end = (xBaseL0_e * checkPoints[i]) + localCamPos;
if (terrain->castRay(start, end, &rinfo))
continue;
terrain->getHeight(Point2F(start.x, start.y), &height);
if ((height <= start.z) == aboveTerrain)
continue;
start = (xBaseL1_s * checkPoints[i]) + localCamPos;
end = (xBaseL1_e * checkPoints[i]) + localCamPos;
if (terrain->castRay(start, end, &rinfo))
continue;
Point3F test = (start + end) * 0.5;
if (terrain->castRay(localCamPos, test, &rinfo) == false)
continue;
return true;
}
}
return false;
}
void EditTSCtrl::onRightMouseDown(const GuiEvent & event)
{
// always process the right mouse event first...
mRightMouseDown = true;
mLastBorderMoveTime = 0;
make3DMouseEvent(mLastEvent, event);
on3DRightMouseDown(mLastEvent);
if(!mLeftMouseDown && mRightMousePassThru && mProfile->mCanKeyFocus)
{
GuiCanvas *pCanvas = getRoot();
if( !pCanvas )
return;
PlatformWindow *pWindow = static_cast<GuiCanvas*>(getRoot())->getPlatformWindow();
if( !pWindow )
return;
PlatformCursorController *pController = pWindow->getCursorController();
if( !pController )
return;
// ok, gotta disable the mouse
// script functions are lockMouse(true); Canvas.cursorOff();
pWindow->setMouseLocked(true);
pCanvas->setCursorON( false );
if(mDisplayType != DisplayTypePerspective)
{
mouseLock();
mLastMousePos = event.mousePoint;
pCanvas->setForceMouseToGUI(true);
mLastMouseClamping = pCanvas->getClampTorqueCursor();
pCanvas->setClampTorqueCursor(false);
}
if(mDisplayType == DisplayTypeIsometric)
{
// Store the screen center point on the terrain for a possible rotation
TerrainBlock* activeTerrain = getActiveTerrain();
if( activeTerrain )
{
F32 extx, exty;
if(event.modifier & SI_SHIFT)
{
extx = F32(event.mousePoint.x);
exty = F32(event.mousePoint.y);
}
else
{
extx = getExtent().x * 0.5;
exty = getExtent().y * 0.5;
}
Point3F sp(extx, exty, 0.0f); // Near plane projection
Point3F start;
unproject(sp, &start);
Point3F end = start + mLastEvent.vec * 4000.0f;
Point3F tStartPnt, tEndPnt;
activeTerrain->getTransform().mulP(start, &tStartPnt);
activeTerrain->getTransform().mulP(end, &tEndPnt);
RayInfo info;
bool result = activeTerrain->castRay(tStartPnt, tEndPnt, &info);
if(result)
{
info.point.interpolate(start, end, info.t);
mIsoCamRotCenter = info.point;
}
else
{
mIsoCamRotCenter = start;
}
}
else
{
F32 extx = getExtent().x * 0.5;
F32 exty = getExtent().y * 0.5;
Point3F sp(extx, exty, 0.0f); // Near plane projection
unproject(sp, &mIsoCamRotCenter);
}
}
setFirstResponder();
}
}
