void AITurretShape::_performScan()
{
// Only on server
if (isClientObject())
return;
// Are we ready for a scan?
--mTicksToNextScan;
if (mTicksToNextScan > 0)
return;
_cleanupPotentialTargets();
_setScanBox();
// Set up for the scan
getScanTransform(mScanWorkspaceScanMat);
mScanWorkspaceScanWorldMat = mScanWorkspaceScanMat;
mScanWorkspaceScanWorldMat.affineInverse();
disableCollision();
for ( SimSetIterator iter(&mIgnoreObjects); *iter; ++iter )
{
ShapeBase* obj = static_cast<ShapeBase*>( *iter );
obj->disableCollision();
}
gServerContainer.findObjects( mTransformedScanBox, sScanTypeMask, _scanCallback, (void*)this );
for ( SimSetIterator iter(&mIgnoreObjects); *iter; ++iter )
{
ShapeBase* obj = static_cast<ShapeBase*>( *iter );
obj->enableCollision();
}
enableCollision();
if (mPotentialTargets.size() == 0)
{
// No targets in range. Clear out our current target, if necessary.
_lostTarget();
}
else
{
// Sort the targets
comparePoint = getPosition();
dQsort(mPotentialTargets.address(),mPotentialTargets.size(),sizeof(SimObjectList::value_type),_sortCallback);
// Go through the targets in order to find one that is not blocked from view
Point3F start;
mScanWorkspaceScanMat.getColumn(3, &start);
S32 index = 0;
bool los = false;
disableCollision();
for (index=0; index < mPotentialTargets.size(); ++index)
{
ShapeBase* shape = (ShapeBase*)mPotentialTargets[index];
Point3F sightPoint;
los = _testTargetLineOfSight(start, shape, sightPoint);
// Check if we have a clear line of sight
if (los)
break;
}
enableCollision();
// If we found a valid, visible target (no hits between here and there), latch on to it
if (los)
{
_gainedTarget((ShapeBase*)mPotentialTargets[index]);
}
}
// Prepare for next scan period
mTicksToNextScan = mScanTickFrequency;
if (mScanTickFrequencyVariance > 0)
{
mTicksToNextScan += gRandGen.randI(0, mScanTickFrequencyVariance);
}
}
//----------------------------------------------------------------------------
/// Core rendering method for this control.
///
/// This method scans through all the current client ShapeBase objects.
/// If one is named, it displays the name and damage information for it.
///
/// Information is offset from the center of the object's bounding box,
/// unless the object is a PlayerObjectType, in which case the eye point
/// is used.
///
/// @param updateRect Extents of control.
void afxGuiTextHud::onRender( Point2I, const RectI &updateRect)
{
// Background fill first
if (mShowFill)
GFX->getDrawUtil()->drawRectFill(updateRect, mFillColor.toColorI());
// Must be in a TS Control
GuiTSCtrl *parent = dynamic_cast<GuiTSCtrl*>(getParent());
if (!parent) return;
// Must have a connection and control object
GameConnection* conn = GameConnection::getConnectionToServer();
if (!conn)
return;
GameBase * control = dynamic_cast<GameBase*>(conn->getControlObject());
if (!control)
return;
// Get control camera info
MatrixF cam;
Point3F camPos;
VectorF camDir;
conn->getControlCameraTransform(0,&cam);
cam.getColumn(3, &camPos);
cam.getColumn(1, &camDir);
F32 camFovCos;
conn->getControlCameraFov(&camFovCos);
camFovCos = mCos(mDegToRad(camFovCos) / 2);
// Visible distance info & name fading
F32 visDistance = gClientSceneGraph->getVisibleDistance();
F32 visDistanceSqr = visDistance * visDistance;
F32 fadeDistance = visDistance * mDistanceFade;
// Collision info. We're going to be running LOS tests and we
// don't want to collide with the control object.
static U32 losMask = TerrainObjectType | TerrainLikeObjectType | ShapeBaseObjectType;
if (!mEnableControlObjectOcclusion)
control->disableCollision();
if (mLabelAllShapes)
{
// This section works just like GuiShapeNameHud and renders labels for
// all the shapes.
// All ghosted objects are added to the server connection group,
// so we can find all the shape base objects by iterating through
// our current connection.
for (SimSetIterator itr(conn); *itr; ++itr)
{
///if ((*itr)->getTypeMask() & ShapeBaseObjectType)
///{
ShapeBase* shape = dynamic_cast<ShapeBase*>(*itr);
if ( shape ) {
if (shape != control && shape->getShapeName())
{
// Target pos to test, if it's a player run the LOS to his eye
// point, otherwise we'll grab the generic box center.
Point3F shapePos;
if (shape->getTypeMask() & PlayerObjectType)
{
MatrixF eye;
// Use the render eye transform, otherwise we'll see jittering
shape->getRenderEyeTransform(&eye);
eye.getColumn(3, &shapePos);
}
else
{
// Use the render transform instead of the box center
// otherwise it'll jitter.
MatrixF srtMat = shape->getRenderTransform();
srtMat.getColumn(3, &shapePos);
}
VectorF shapeDir = shapePos - camPos;
// Test to see if it's in range
F32 shapeDist = shapeDir.lenSquared();
if (shapeDist == 0 || shapeDist > visDistanceSqr)
continue;
shapeDist = mSqrt(shapeDist);
// Test to see if it's within our viewcone, this test doesn't
// actually match the viewport very well, should consider
// projection and box test.
shapeDir.normalize();
F32 dot = mDot(shapeDir, camDir);
if (dot < camFovCos)
continue;
// Test to see if it's behind something, and we want to
// ignore anything it's mounted on when we run the LOS.
RayInfo info;
shape->disableCollision();
SceneObject *mount = shape->getObjectMount();
if (mount)
mount->disableCollision();
bool los = !gClientContainer.castRay(camPos, shapePos,losMask, &info);
shape->enableCollision();
if (mount)
mount->enableCollision();
if (!los)
continue;
// Project the shape pos into screen space and calculate
// the distance opacity used to fade the labels into the
// distance.
Point3F projPnt;
shapePos.z += mVerticalOffset;
if (!parent->project(shapePos, &projPnt))
continue;
F32 opacity = (shapeDist < fadeDistance)? 1.0:
1.0 - (shapeDist - fadeDistance) / (visDistance - fadeDistance);
// Render the shape's name
drawName(Point2I((S32)projPnt.x, (S32)projPnt.y),shape->getShapeName(),opacity);
}
}
}
}
// This section renders all text added by afxGuiText effects.
for (S32 i = 0; i < text_items.size(); i++)
{
HudTextSpec* spec = &text_items[i];
if (spec->text && spec->text[0] != '\0')
{
VectorF shapeDir = spec->pos - camPos;
// do range test
F32 shapeDist = shapeDir.lenSquared();
if (shapeDist == 0 || shapeDist > visDistanceSqr)
continue;
shapeDist = mSqrt(shapeDist);
// Test to see if it's within our viewcone, this test doesn't
// actually match the viewport very well, should consider
// projection and box test.
shapeDir.normalize();
F32 dot = mDot(shapeDir, camDir);
if (dot < camFovCos)
continue;
// Test to see if it's behind something, and we want to
// ignore anything it's mounted on when we run the LOS.
RayInfo info;
if (spec->obj)
spec->obj->disableCollision();
bool los = !gClientContainer.castRay(camPos, spec->pos, losMask, &info);
if (spec->obj)
spec->obj->enableCollision();
if (!los)
continue;
// Project the shape pos into screen space.
Point3F projPnt;
if (!parent->project(spec->pos, &projPnt))
continue;
// Calculate the distance opacity used to fade text into the distance.
F32 opacity = (shapeDist < fadeDistance)? 1.0 : 1.0 - (shapeDist - fadeDistance) / (25.0f);
if (opacity > 0.01f)
drawName(Point2I((S32)projPnt.x, (S32)projPnt.y), spec->text, opacity, &spec->text_clr);
}
}
// Restore control object collision
if (!mEnableControlObjectOcclusion)
control->enableCollision();
// Border last
if (mShowFrame)
GFX->getDrawUtil()->drawRect(updateRect, mFrameColor.toColorI());
reset();
}