void m_selectionContext_SelectionChanged(object sender, EventArgs e)
{
var domNodes = m_selectionContext.Selection.AsIEnumerable <DomNode>();
var roots = DomNode.GetRoots(domNodes);
var sel = GameEngine.GlobalSelection;
sel.Clear();
foreach (var node in roots)
{
if (node.Is <ITransformableGroup>())
{
foreach (var adapter in node.Subtree.AsIEnumerable <NativeObjectAdapter>())
{
sel.Add(adapter.DocumentId, adapter.InstanceId);
}
}
else
{
var adapter = node.As <NativeObjectAdapter>();
if (adapter != null)
{
sel.Add(adapter.DocumentId, adapter.InstanceId);
}
}
}
using (var placements = GameEngine.GetEditorSceneManager().GetPlacementsEditor())
sel.DoFixup(placements);
InvalidateViews();
}
public override void OnDragging(ViewControl vc, Point scrPt)
{
if (m_hitRegion == HitRegion.None || m_activeOp == null || m_activeOp.NodeList.Count == 0)
{
return;
}
// create ray in view space.
Ray3F rayV = vc.GetWorldRay(scrPt);
using (var intersectionScene = GameEngine.GetEditorSceneManager().GetIntersectionScene())
{
Vec3F intersectionPt;
if (!CalculateTerrainIntersection(vc, rayV, intersectionScene, out intersectionPt))
{
return;
}
if (m_pendingStartPt)
{
m_startPt = intersectionPt;
m_pendingStartPt = false;
}
else
{
bool clampToSurface = Control.ModifierKeys == Keys.Shift;
Vec3F translate = new Vec3F(intersectionPt.X - m_startPt.X, intersectionPt.Y - m_startPt.Y, 0.0f);
for (int i = 0; i < m_activeOp.NodeList.Count; i++)
{
ITransformable node = m_activeOp.NodeList[i];
Path <DomNode> path = new Path <DomNode>(Adapters.Cast <DomNode>(node).GetPath());
Matrix4F parentLocalToWorld = TransformUtils.CalcPathTransform(path, path.Count - 2);
Matrix4F parentWorldToLocal = new Matrix4F();
parentWorldToLocal.Invert(parentLocalToWorld);
Vec3F newWorldPos = m_originalTranslations[i] + translate;
float terrainHeight = 0.0f;
if (GUILayer.EditorInterfaceUtils.GetTerrainHeight(
out terrainHeight, intersectionScene, newWorldPos.X, newWorldPos.Y))
{
newWorldPos.Z = terrainHeight + (clampToSurface ? 0.0f : m_originalHeights[i]);
Vec3F localTranslation;
parentWorldToLocal.TransformVector(newWorldPos, out localTranslation);
node.Translation = localTranslation;
}
}
}
}
}
protected override void OnDragOver(DragEventArgs drgevent)
{
base.OnDragOver(drgevent);
if (DesignView.Context == null || m_ghosts.Count == 0)
{
return;
}
// Just do an intersection against the terrain to
// calculate basic insertion position
Vec3F terrainHit;
if (GetInsertionPosition(out terrainHit, PointToClient(new Point(drgevent.X, drgevent.Y))))
{
ISnapSettings snapSettings = (ISnapSettings)DesignView;
foreach (var ghost in m_ghosts)
{
var gameObject = ghost.As <ITransformable>();
if (gameObject != null)
{
gameObject.Translation = terrainHit;
// When if terrain alignment mode, we need to query the terrain collision model
// for a terrain normal associated with this point. The
if (snapSettings.TerrainAlignment == TerrainAlignmentMode.TerrainUp)
{
using (var intersectionScene = GameEngine.GetEditorSceneManager().GetIntersectionScene())
{
float terrainHeight;
GUILayer.Vector3 terrainNormal;
if (GUILayer.EditorInterfaceUtils.GetTerrainHeightAndNormal(
out terrainHeight, out terrainNormal,
intersectionScene, terrainHit.X, terrainHit.Y))
{
gameObject.Rotation = TransformUtils.RotateToVector(
gameObject.Rotation, new Vec3F(terrainNormal.X, terrainNormal.Y, terrainNormal.Z),
Sce.Atf.Rendering.Dom.AxisSystemType.ZIsUp);
}
}
}
}
}
DesignView.InvalidateViews();
}
}
void m_selectionContext_SelectionChanged(object sender, EventArgs e)
{
IEnumerable <DomNode> domNodes = m_selectionContext.Selection.AsIEnumerable <DomNode>();
IEnumerable <DomNode> roots = DomNode.GetRoots(domNodes);
IEnumerable <NativeObjectAdapter> nativeObjects = roots.AsIEnumerable <NativeObjectAdapter>();
var sel = GameEngine.GlobalSelection;
sel.Clear();
foreach (var adapter in nativeObjects)
{
sel.Add(adapter.DocumentId, adapter.InstanceId);
}
using (var placements = GameEngine.GetEditorSceneManager().GetPlacementsEditor())
sel.DoFixup(placements);
InvalidateViews();
}
public override void OnBeginDrag()
{
if (m_hitRegion == HitRegion.None)
{
return;
}
Clear(); // cached values.
var op = new ManipulatorActiveOperation(
"Move Across Terrain", DesignView.Context.As <ISelectionContext>(),
(ITransformable node) => (node.TransformationType & TransformationTypes.Translation) != 0,
Control.ModifierKeys == m_duplicateKey);
m_originalTranslations = new Vec3F[op.NodeList.Count];
m_originalHeights = new float[op.NodeList.Count];
using (var intersectionScene = GameEngine.GetEditorSceneManager().GetIntersectionScene())
{
for (int k = 0; k < op.NodeList.Count; k++)
{
Path <DomNode> path = new Path <DomNode>(op.NodeList[k].Cast <DomNode>().GetPath());
Matrix4F localToWorld = TransformUtils.CalcPathTransform(path, path.Count - 1);
m_originalTranslations[k] = localToWorld.Translation;
float heightAboveTerrain = 0.0f;
float terrainHeight = 0.0f;
if (GUILayer.EditorInterfaceUtils.GetTerrainHeight(
out terrainHeight, intersectionScene, m_originalTranslations[k].X, m_originalTranslations[k].Y))
{
heightAboveTerrain = m_originalTranslations[k].Z - terrainHeight;
}
m_originalHeights[k] = heightAboveTerrain;
}
}
m_pendingStartPt = true;
m_activeOp = op;
}
public NativeDesignControl(DesignView designView) :
base(designView)
{
if (s_marqueePen == null)
{
s_marqueePen = new Pen(Color.FromArgb(30, 30, 30), 2);
s_marqueePen.DashPattern = new float[] { 3, 3 };
}
m_renderState = new RenderState();
m_renderState.RenderFlag = GlobalRenderFlags.Solid | GlobalRenderFlags.Textured | GlobalRenderFlags.Lit | GlobalRenderFlags.Shadows;
m_renderState.WireFrameColor = Color.DarkBlue;
m_renderState.SelectionColor = Color.FromArgb(66, 255, 161);
BackColor = SystemColors.ControlDark;
m_renderState.OnChanged += (sender, e) => Invalidate();
Adapter = new DesignControlAdapter(
this, Camera,
GameEngine.GetEditorSceneManager(),
GameEngine.GlobalSelection, GameEngine.GetSavedResources());
Adapter.AddRenderCallback((GUILayer.SimpleRenderingContext context) => RenderManipulators(context, designView));
Adapter.AddRenderCallback((GUILayer.SimpleRenderingContext context) => RenderExtras(context, designView));
}
public override void OnDragging(ViewControl vc, Point scrPt)
{
if (m_hitRegion == HitRegion.None || m_activeOp == null || m_activeOp.NodeList.Count == 0)
{
return;
}
// create ray in view space.
Ray3F rayV = vc.GetWorldRay(scrPt);
using (var intersectionScene = GameEngine.GetEditorSceneManager().GetIntersectionScene())
{
PickResult intersectionPt;
if (!CalculateTerrainIntersection(vc, rayV, intersectionScene, out intersectionPt))
{
return;
}
if (m_pendingStartPt)
{
m_startPt = intersectionPt._pt.Value;
m_pendingStartPt = false;
}
else
{
ISnapSettings snapSettings = (ISnapSettings)DesignView;
bool clampToSurface = Control.ModifierKeys == Keys.Shift;
var pt = intersectionPt._pt.Value;
Vec3F translate = new Vec3F(pt.X - m_startPt.X, pt.Y - m_startPt.Y, 0.0f);
for (int i = 0; i < m_activeOp.NodeList.Count; i++)
{
ITransformable node = m_activeOp.NodeList[i];
Path <DomNode> path = new Path <DomNode>(Adapters.Cast <DomNode>(node).GetPath());
Matrix4F parentLocalToWorld = TransformUtils.CalcPathTransform(path, path.Count - 2);
Matrix4F parentWorldToLocal = new Matrix4F();
parentWorldToLocal.Invert(parentLocalToWorld);
Vec3F newWorldPos = m_originalTranslations[i] + translate;
float terrainHeight = 0.0f;
GUILayer.Vector3 terrainNormal;
if (GUILayer.EditorInterfaceUtils.GetTerrainHeightAndNormal(
out terrainHeight, out terrainNormal,
intersectionScene, newWorldPos.X, newWorldPos.Y))
{
newWorldPos.Z = terrainHeight + (clampToSurface ? 0.0f : m_originalHeights[i]);
Vec3F localTranslation;
parentWorldToLocal.TransformVector(newWorldPos, out localTranslation);
node.Translation = localTranslation;
// There are two ways to orient the "up" vector of the object.
// One way is to decompose the 3x3 rotation matrix into a up vector + a rotation around
// that vector. Then we retain the rotation, and just move the up vector.
// Another way is to take the 3x3 matrix, and adjust it's up vector. Then just perform
// the Gram–Schmidt algorithm to re-orthogonalize it.
// We'll use the code from the SCEE level editor. This isn't the ideal math (there's a
// lot of room for floating point creep) but it should work.
var currentUp = node.Transform.ZAxis;
if (snapSettings.TerrainAlignment == TerrainAlignmentMode.TerrainUp)
{
node.Rotation = TransformUtils.RotateToVector(
node.Rotation, new Vec3F(terrainNormal.X, terrainNormal.Y, terrainNormal.Z),
AxisSystemType.ZIsUp);
}
else
if (snapSettings.TerrainAlignment == TerrainAlignmentMode.WorldUp)
{
// Prevent the change if the normal is already very close to straight up
if (Math.Abs(currentUp.X - 0.0f) > 1e-4f || Math.Abs(currentUp.Y - 0.0f) > 1e-4f || Math.Abs(currentUp.Z - 1.0f) > 1e-4f)
{
node.Rotation = TransformUtils.RotateToVector(
node.Rotation, new Vec3F(0.0f, 0.0f, 1.0f),
AxisSystemType.ZIsUp);
}
}
node.UpdateTransform();
}
}
}
}
}