private void UpdateNode(Node node, Point p0, Point p1, Point a)
{
node.Visible = true;
if (FrustumCullingEnabled && ViewFrustum.Contains(GetBoundingBox(node)) == ContainmentType.Disjoint)
{
node.Visible = false;
return;
}
Point p = GetMidpoint(p0, p1);
int width = Math.Abs(p0.X - p1.X) + Math.Abs(p0.Y - p1.Y);
float distanceSquared = (CameraPosition - new Vector3(p.X, GetHeight(p) * Bumpiness, -p.Y)).LengthSquared();
bool split = SplitCheck(node, width, distanceSquared);
if (!node.Split && split)
{
SplitNode(node);
vertexCounter++;
}
else if (node.Split && !split && CanMerge(node) && CanMerge(node.BaseNeighbor))
{
MergeNode(node);
MergeNode(node.BaseNeighbor);
vertexCounter--;
}
if (node.Split && node.LeftChild != null)
{
UpdateNode(node.LeftChild, a, p0, p);
UpdateNode(node.RightChild, p1, a, p);
}
}
protected virtual void UpdateMatrices()
{
ViewMatrix = CreateViewMatrix();
YViewMatrix = CreateYViewMatrix();
ProjectionMatrix = CreateProjectionMatrix();
ViewFrustum.UpdateFrustum(ViewMatrix * ProjectionMatrix);
}
/// <summary>
/// 更新照相机
/// </summary>
/// <param name="device"></param>
public virtual void Update(Device device)
{
viewPort = device.Viewport;
Point3d p = Quaternion4d.QuaternionToEuler(m_Orientation);
if (!double.IsNaN(p.Y))
{
this._latitude.Radians = p.Y;
}
if (!double.IsNaN(p.X))
{
this._longitude.Radians = p.X;
}
if (!double.IsNaN(p.Z))
{
this._heading.Radians = p.Z;
}
ComputeProjectionMatrix(viewPort);
ComputeViewMatrix();
device.Transform.Projection = m_ProjectionMatrix;
device.Transform.View = m_ViewMatrix;
device.Transform.World = m_WorldMatrix;
ViewFrustum.Update(
Matrix.Multiply(m_absoluteWorldMatrix,
Matrix.Multiply(m_absoluteViewMatrix, m_absoluteProjectionMatrix)));
// Old view range (used in quadtile logic)
double factor = (this._altitude) / this._worldRadius;
if (factor > 1)
{
viewRange = Angle.FromRadians(Math.PI);
}
else
{
viewRange = Angle.FromRadians(Math.Abs(Math.Asin((this._altitude) / this._worldRadius)) * 2);
}
// True view range
if (factor < 1)
{
trueViewRange = Angle.FromRadians(Math.Abs(Math.Asin((this._distance) / this._worldRadius)) * 2);
}
else
{
trueViewRange = Angle.FromRadians(Math.PI);
}
World.Settings.cameraAltitudeMeters = Altitude;
World.Settings.cameraLatitude = _latitude;
World.Settings.cameraLongitude = _longitude;
World.Settings.cameraHeading = _heading;
World.Settings.cameraTilt = _tilt;
}
public void SetWorldAndLoadRenderers(ClientWorld world)
{
_world = world;
_camera = _client.Camera;
_cameraTransform = _camera.transform;
_frustum = new ViewFrustum(renderDistance: 3);
_chunkRenderDispatcher = new ChunkRenderDispatcher(world);
}
public void DeviceAttached(Device dev)
{
Game.GameManager.GraphicsThread.GraphicsManager.Device.SetTransform(TransformState.Projection, mMatProjection);
mDevice.SetTransform(TransformState.View, Matrix.LookAtLH(mPosition, mTarget, mUp));
ShaderCollection.CameraChanged(this);
Game.GameManager.WorldManager.Update(this);
ViewFrustum.BuildViewFrustum(mDevice.GetTransform(TransformState.View), mDevice.GetTransform(TransformState.Projection));
Game.GameManager.InformPropertyChanged(Game.GameProperties.CameraPosition);
}
public void UpdateCamera(Device dev, TimeSpan diff)
{
if (Input.InputManager.Input.HasFocus == false)
{
return;
}
bool changed = false;
var inp = Input.InputManager.Input;
float sensitivity = Game.GameManager.GameWindow.PropertyPanel.CameraSensitivity;
if (inp[Keys.W])
{
mPosition += (float)diff.TotalSeconds * 50.0f * Vector3.UnitX;
mTarget += (float)diff.TotalSeconds * 50.0f * Vector3.UnitX;
changed = true;
}
if (inp[Keys.S])
{
mPosition -= (float)diff.TotalSeconds * 50.0f * Vector3.UnitX;
mTarget -= (float)diff.TotalSeconds * 50.0f * Vector3.UnitX;
changed = true;
}
if (inp[Keys.D])
{
var change = (float)diff.TotalSeconds * 50.0f * Vector3.UnitY;
mPosition += change;
mTarget += change;
changed = true;
}
if (inp[Keys.A])
{
var change = (float)diff.TotalSeconds * 50.0f * Vector3.UnitY;
mPosition -= change;
mTarget -= change;
changed = true;
}
if (inp[Keys.Q])
{
MouseWheelTurned(127);
}
if (inp[Keys.E])
{
MouseWheelTurned(-127);
}
if (changed)
{
dev.SetTransform(TransformState.View, Matrix.LookAtLH(mPosition, mTarget, mUp));
ShaderCollection.CameraChanged(this);
Game.GameManager.WorldManager.Update(this);
ViewFrustum.BuildViewFrustum(dev.GetTransform(TransformState.View), dev.GetTransform(TransformState.Projection));
Game.GameManager.InformPropertyChanged(Game.GameProperties.CameraPosition);
}
}
public void CopyFrom(Camera fromOther)
{
AspectRatio = fromOther.AspectRatio;
WindowSize = fromOther.WindowSize;
Location = fromOther.Location;
Pitch = fromOther.Pitch;
Yaw = fromOther.Yaw;
ProjectionMatrix = fromOther.ProjectionMatrix;
CameraViewMatrix = fromOther.CameraViewMatrix;
ViewProjectionMatrix = fromOther.ViewProjectionMatrix;
ViewFrustum.Update(ViewProjectionMatrix);
}
public void SetPosition(Vector3 position, bool nonUpdate = false)
{
mPosition = position;
mTarget = mPosition + mFront;
mDevice.SetTransform(TransformState.View, Matrix.LookAtLH(mPosition, mTarget, mUp));
ShaderCollection.CameraChanged(this);
if (nonUpdate == false)
{
Game.GameManager.WorldManager.Update(this);
ViewFrustum.BuildViewFrustum(mDevice.GetTransform(TransformState.View), mDevice.GetTransform(TransformState.Projection));
Game.GameManager.InformPropertyChanged(Game.GameProperties.CameraPosition);
}
}
void MouseWheelTurned(int delta)
{
if (Game.GameManager.GraphicsThread.GraphicsManager.IsIn2D == false)
{
return;
}
int realTurn = delta / 127;
float newZoom = mZoomFactor + realTurn * 0.01f;
if (newZoom < 0.1f)
{
newZoom = 0.1f;
}
if (newZoom > 1.0f)
{
newZoom = 1.0f;
}
mZoomFactor = newZoom;
float aspect =
(float)Game.GameManager.GraphicsThread.GraphicsManager.RenderWindow.ClientSize.Width /
(float)Game.GameManager.GraphicsThread.GraphicsManager.RenderWindow.ClientSize.Height;
mMatProjection = Matrix.OrthoOffCenterLH(
-(Utils.Metrics.Tilesize * mZoomFactor * aspect / 2.0f),
Utils.Metrics.Tilesize * mZoomFactor * aspect / 2.0f,
-(Utils.Metrics.Tilesize * mZoomFactor / 2.0f),
Utils.Metrics.Tilesize * mZoomFactor / 2.0f,
0.1f,
10000.0f
);
Game.GameManager.GraphicsThread.GraphicsManager.Device.SetTransform(TransformState.Projection, mMatProjection);
var dev = Game.GameManager.GraphicsThread.GraphicsManager.Device;
dev.SetTransform(TransformState.View, Matrix.LookAtLH(mPosition, mTarget, mUp));
ShaderCollection.CameraChanged(this);
Game.GameManager.WorldManager.Update(this);
Game.GameManager.InformPropertyChanged(Game.GameProperties.CameraPosition);
ViewFrustum.BuildViewFrustum(dev.GetTransform(TransformState.View), mMatProjection);
}
private void UpdateNode(Point p, int size, bool frustumCulling)
{
UpdateBlending(p, size);
if (!IsEnabled(p))
{
return;
}
if (GeomorphEnabled)
{
UpdateMidpointBlending(p, size);
}
Quadtree[p.X, p.Y].Visible = true;
if (frustumCulling)
{
ContainmentType result = ViewFrustum.Contains(GetBoundingBox(p, size));
if (result == ContainmentType.Disjoint)
{
Quadtree[p.X, p.Y].Visible = false;
}
else if (result == ContainmentType.Contains)
{
frustumCulling = false;
}
}
if (size == 3 || !IsVisible(p))
{
return;
}
Point[] children = GetChildren(p, size);
for (int i = 0; i < 4; i++)
{
UpdateNode(children[i], size / 2 + 1, frustumCulling);
}
}
private void UpdateNode(Node node, bool frustumCulling, GameTime gameTime)
{
node.Visible = true;
if (frustumCulling)
{
ContainmentType result = ViewFrustum.Contains(GetBoundingBox(node));
if (result == ContainmentType.Disjoint)
{
node.Visible = false;
}
else if (result == ContainmentType.Contains)
{
frustumCulling = false;
}
}
if (!node.Visible)
{
return;
}
if (node.Children != null)
{
foreach (Node child in node.Children)
{
UpdateNode(child, frustumCulling, gameTime);
}
}
if (node.Block != null)
{
node.Block.Update(gameTime);
}
}
private void irrlichtPanel_MouseClick(object sender, MouseEventArgs e)
{
// need to have a click plus the ctrl key down
if (pickKeyDown)
{
ViewFrustum f = smgr.ActiveCamera.ViewFrustum;
Vector3Df farLeftUp = f.FarLeftUp;
Vector3Df lefttoright = f.FarRightUp - farLeftUp;
Vector3Df uptodown = f.FarLeftDown - farLeftUp;
float dx = e.X / (float)viewPort.Width;
float dy = e.Y / (float)viewPort.Height;
Line3Df ray = new Line3Df(f.CameraPosition, farLeftUp + (lefttoright * dx) + (uptodown * dy));
SceneNode pickedNode = smgr.SceneCollisionManager.GetSceneNodeFromRayBB(ray);
if (pickedNode != null)
{
RenderMessage message = new RenderMessage(MessageType.HIGHLIGHT_NODE, pickedNode);
commandQueue.Enqueue(message);
propertiesDlg.SetProperties(pickedNode);
if (!propertiesDlg.Visible)
{
propertiesDlg.Show(this);
}
if (backgroundSearcher.IsBusy)
{
backgroundSearcher.CancelAsync();
}
backgroundSearcher.RunWorkerAsync(pickedNode.ID);
}
}
}
private void RecalculateMatrices()
{
CameraViewMatrix = Matrix4x4.CreateScale(Scale) * Matrix4x4.CreateLookAt(Location, Location + GetForwardVector(), Vector3.UnitZ);
ViewProjectionMatrix = CameraViewMatrix * ProjectionMatrix;
ViewFrustum.Update(ViewProjectionMatrix);
}
/// <summary>
/// Check to see if a bounding volume is within the bounds of the view frustum
/// </summary>
/// <param name="sphere">BoundingSphere to be checked</param>
/// <returns>Result</returns>
public bool IsInView(BoundingSphere sphere)
{
return(ViewFrustum.Contains(sphere) != ContainmentType.Disjoint);
}
/// <summary>
/// Check to see if a bounding volume is within the bounds of the view frustum
/// </summary>
/// <param name="box">BoundingBox to be checked</param>
/// <returns>Result</returns>
public bool IsInView(BoundingBox box)
{
return(ViewFrustum.Contains(box) != ContainmentType.Disjoint);
}
public void UpdateCamera(Device dev, TimeSpan diff)
{
if (Input.InputManager.Input.HasFocus == false)
{
return;
}
bool changed = false;
var inp = Input.InputManager.Input;
float sensitivity = Game.GameManager.GameWindow.PropertyPanel.CameraSensitivity;
if (inp[Keys.W])
{
mPosition += (float)diff.TotalSeconds * mFront * 50;
mTarget += (float)diff.TotalSeconds * mFront * 50;
changed = true;
}
if (inp[Keys.S])
{
mPosition -= (float)diff.TotalSeconds * mFront * 50;
mTarget -= (float)diff.TotalSeconds * mFront * 50;
changed = true;
}
if (inp[Keys.D])
{
var change = (float)diff.TotalSeconds * mRight * 50;
mPosition += change;
mTarget += change;
changed = true;
}
if (inp[Keys.A])
{
var change = (float)diff.TotalSeconds * mRight * 50;
mPosition -= change;
mTarget -= change;
changed = true;
}
if (inp[Keys.Q])
{
var change = (float)diff.TotalSeconds * Vector3.UnitZ * 50;
mPosition += change;
mTarget += change;
changed = true;
}
if (inp[Keys.E])
{
var change = (float)diff.TotalSeconds * Vector3.UnitZ * 50;
mPosition -= change;
mTarget -= change;
changed = true;
}
var state = Input.InputManager.Input.Mouse.State;
if (state.IsPressed((int)SlimDX.DirectInput.MouseObject.Button2) && Game.GameManager.SelectionManager.IsModelMovement == false)
{
if (state.X != 0 || state.Y != 0)
{
if (state.X != 0)
{
int fac = (state.X < 0) ? -1 : 1;
Matrix rot = Matrix.RotationZ(state.X * 0.005f * sensitivity);
mFront = Vector3.TransformCoordinate(mFront, rot);
mFront.Normalize();
mTarget = mPosition + mFront;
mRight = Vector3.TransformCoordinate(mRight, rot);
mRight.Normalize();
mUp = Vector3.TransformCoordinate(mUp, rot);
mUp.Normalize();
changed = true;
}
if (state.Y != 0)
{
int fac = (state.Y < 0) ? -1 : 1;
Matrix rot = Matrix.RotationAxis(mRight, state.Y * 0.005f * sensitivity);
mFront = Vector3.TransformCoordinate(mFront, rot);
mFront.Normalize();
mTarget = mPosition + mFront;
mUp = Vector3.TransformCoordinate(mUp, rot);
mUp.Normalize();
changed = true;
}
}
}
if (changed)
{
dev.SetTransform(TransformState.View, Matrix.LookAtLH(mPosition, mTarget, mUp));
ShaderCollection.CameraChanged(this);
Game.GameManager.WorldManager.Update(this);
ViewFrustum.BuildViewFrustum(dev.GetTransform(TransformState.View), dev.GetTransform(TransformState.Projection));
Game.GameManager.InformPropertyChanged(Game.GameProperties.CameraPosition);
}
}
