public QuadNode(NodeType nodeType, int nodeSize, int nodeDepth, QuadNode parent, QuadTree parentTree, int positionIndex)
{
NodeType = nodeType;
_nodeSize = nodeSize;
_nodeDepth = nodeDepth;
_positionIndex = positionIndex;
_parent = parent;
_parentTree = parentTree;
//Add the 9 vertices
AddVertices();
Bounds = new BoundingBox(_parentTree.Vertices[VertexTopLeft.Index].Position,
_parentTree.Vertices[VertexBottomRight.Index].Position);
if (nodeSize >= 4)
AddChildren();
//Make call to UpdateNeighbors from the parent node.
//This will update all neighbors recursively for the
//children as well. This ensures all nodes are created
//prior to updating neighbors.
if (_nodeDepth == 1)
{
AddNeighbors();
VertexTopLeft.Activated = true;
VertexTopRight.Activated = true;
VertexCenter.Activated = true;
VertexBottomLeft.Activated = true;
VertexBottomRight.Activated = true;
}
}
/// <summary>
/// Create terrain at <paramref name="position"/>
/// </summary>
/// <param name="position"></param>
/// <param name="textures"></param>
/// <param name="device"></param>
/// <param name="scale"></param>
/// <param name="Content"></param>
/// <param name="camera"></param>
public QuadTree(Vector3 position, List<Texture2D> textures, GraphicsDevice device, int scale, ContentManager Content, GameCamera.FreeCamera camera)
{
shadow = new LightsAndShadows.Shadow();
light = new LightsAndShadows.Light(0.7f, 0.4f, new Vector3(513, 100, 513));
ViewFrustrum = new BoundingFrustum(camera.View * camera.Projection);
// Model model = Content.Load<Model>("Models/stone2");
// this.model = new LoadModel(model, Vector3.One, Vector3.Up, new Vector3(1), device);
this.textures = textures;
effect = Content.Load<Effect>("Effects/MultiTextured");
effect2 = Content.Load<Effect>("Effects/Shadows");
Device = device;
_position = position;
_topNodeSize = textures[4].Width - 1;
_vertices = new MapRender(textures[4],scale);
_buffers = new BufferManager(_vertices.Vertices, device);
_rootNode = new QuadNode(NodeType.FullNode, _topNodeSize, 1, null, this, 0);
//Construct an array large enough to hold all of the indices we'll need.
Indices = _vertices.indices;
envBilbList.Add(new EnvBilb(textures[6], textures[5], device, Content, scale));
foreach (EnvBilb pass in envBilbList)
{
pass.GenerateObjPositions(_vertices.Vertices, _vertices.TerrainWidth, _vertices.TerrainLength, _vertices.heightData);
pass.CreateBillboardVerticesFromList();
}
/*
envModelList.Add(new EnvModel(textures[6], model, device, Content, scale));
foreach (EnvModel pass1 in envModelList)
{
pass1.GenerateObjPositions(_vertices.Vertices, _vertices.TerrainWidth, _vertices.TerrainLength, _vertices.heightData);
pass1.CreateModelFromList();
}
* */
effect.Parameters["xTexture0"].SetValue(textures[1]);
effect.Parameters["xTexture1"].SetValue(textures[0]);
effect.Parameters["xTexture2"].SetValue(textures[2]);
effect.Parameters["xTexture3"].SetValue(textures[3]);
effect.Parameters["xTexture5"].SetValue(textures[7]);
Matrix worldMatrix = Matrix.Identity;
effect.Parameters["xWorld"].SetValue(worldMatrix);
effect.Parameters["xEnableLighting"].SetValue(true);
effect.Parameters["xAmbient"].SetValue(light.Ambient);
effect.Parameters["xLightPower"].SetValue(light.LightPower);
effect.Parameters["Ground"].SetValue(textures[7]);
effect.Parameters["GroundText0"].SetValue(textures[8]);
effect.Parameters["GroundText1"].SetValue(textures[9]);
effect.Parameters["GroundText2"].SetValue(textures[10]);
_rootNode.EnforceMinimumDepth();
}
/// <summary>
/// Update reference to neighboring quads
/// </summary>
private void AddNeighbors()
{
switch (NodeType)
{
case NodeType.TopLeft: //Top Left Corner
//Top neighbor
if (_parent.NeighborTop != null)
NeighborTop = _parent.NeighborTop.ChildBottomLeft;
//Right neighbor
NeighborRight = _parent.ChildTopRight;
//Bottom neighbor
NeighborBottom = _parent.ChildBottomLeft;
//Left neighbor
if (_parent.NeighborLeft != null)
NeighborLeft = _parent.NeighborLeft.ChildTopRight;
break;
case NodeType.TopRight: //Top Right Corner
//Top neighbor
if (_parent.NeighborTop != null)
NeighborTop = _parent.NeighborTop.ChildBottomRight;
//Right neighbor
if (_parent.NeighborRight != null)
NeighborRight = _parent.NeighborRight.ChildTopLeft;
//Bottom neighbor
NeighborBottom = _parent.ChildBottomRight;
//Left neighbor
NeighborLeft = _parent.ChildTopLeft;
break;
case NodeType.BottomLeft: //Bottom Left Corner
//Top neighbor
NeighborTop = _parent.ChildTopLeft;
//Right neighbor
NeighborRight = _parent.ChildBottomRight;
//Bottom neighbor
if (_parent.NeighborBottom != null)
NeighborBottom = _parent.NeighborBottom.ChildTopLeft;
//Left neighbor
if (_parent.NeighborLeft != null)
NeighborLeft = _parent.NeighborLeft.ChildBottomRight;
break;
case NodeType.BottomRight: //Bottom Right Corner
//Top neighbor
NeighborTop = _parent.ChildTopRight;
//Right neighbor
if (_parent.NeighborRight != null)
NeighborRight = _parent.NeighborRight.ChildBottomLeft;
//Bottom neighbor
if (_parent.NeighborBottom != null)
NeighborBottom = _parent.NeighborBottom.ChildTopRight;
//Left neighbor
NeighborLeft = _parent.ChildBottomLeft;
break;
}
if (this.HasChildren)
{
ChildTopLeft.AddNeighbors();
ChildTopRight.AddNeighbors();
ChildBottomLeft.AddNeighbors();
ChildBottomRight.AddNeighbors();
}
}
/// <summary>
/// Add the 4 child quad nodes.
/// </summary>
private void AddChildren()
{
//Add top left (northwest) child
ChildTopLeft = new QuadNode(NodeType.TopLeft, _nodeSize / 2, _nodeDepth + 1, this, _parentTree, VertexTopLeft.Index);
//Add top right (northeast) child
ChildTopRight = new QuadNode(NodeType.TopRight, _nodeSize / 2, _nodeDepth + 1, this, _parentTree, VertexTop.Index);
//Add bottom left (southwest) child
ChildBottomLeft = new QuadNode(NodeType.BottomLeft, _nodeSize / 2, _nodeDepth + 1, this, _parentTree, VertexLeft.Index);
//Add bottom right (southeast) child
ChildBottomRight = new QuadNode(NodeType.BottomRight, _nodeSize / 2, _nodeDepth + 1, this, _parentTree, VertexCenter.Index);
HasChildren = true;
}
/// <summary>
/// Create terrain at <paramref name="position"/>
/// </summary>
/// <param name="position"></param>
/// <param name="textures"></param>
/// <param name="device"></param>
/// <param name="scale"></param>
/// <param name="Content"></param>
/// <param name="camera"></param>
public QuadTree(Vector2 position, List<Texture2D> textures, GraphicsDevice device, int scale, ContentManager Content, GameCamera.FreeCamera camera)
{
light = new LightsAndShadows.Light(0.7f, 0.4f, new Vector3(513, 100, 513));
ViewFrustrum = new BoundingFrustum(camera.View * camera.Projection);
this.textures = textures;
effect = Content.Load<Effect>("Effects/MultiTextured");
Device = device;
_topNodeSize = textures[15].Width - 1;
_vertices = new MapRender(textures[15], scale, position);
_buffers = new BufferManager(_vertices.Vertices, device);
_rootNode = new QuadNode(NodeType.FullNode, _topNodeSize, 1, null, this, 0);
//Construct an array large enough to hold all of the indices we'll need.
Indices = _vertices.indices;
envBilbList.Add(new EnvBilb(textures[19], textures[20], device, Content, scale));
envBilbList.Add(new EnvBilb(textures[17], textures[18], device, Content, scale));
foreach (EnvBilb pass in envBilbList)
{
pass.GenerateObjPositions(_vertices.TerrainLength2, _vertices.TerrainWidth2, _vertices.heightDataToControl);
pass.CreateBillboardVerticesFromList();
}
Matrix worldMatrix = Matrix.Identity;
effect.Parameters["xWorld"].SetValue(worldMatrix);
effect.Parameters["xEnableLighting"].SetValue(true);
effect.Parameters["xAmbient"].SetValue(light.Ambient);
effect.Parameters["xLightPower"].SetValue(light.LightPower);
#region tekstury Alphy
effect.Parameters["xTexture0"].SetValue(textures[0]);
effect.Parameters["xTexture1"].SetValue(textures[1]);
effect.Parameters["xTexture2"].SetValue(textures[2]);
effect.Parameters["xTexture3"].SetValue(textures[3]);
effect.Parameters["xTexture4"].SetValue(textures[4]);
effect.Parameters["xTexture5"].SetValue(textures[5]);
effect.Parameters["xTexture6"].SetValue(textures[6]);
#endregion
#region Tekstury Terenu
effect.Parameters["xTexture7"].SetValue(textures[7]);
effect.Parameters["xTexture8"].SetValue(textures[8]);
effect.Parameters["xTexture9"].SetValue(textures[9]);
effect.Parameters["xTexture10"].SetValue(textures[10]);
effect.Parameters["xTexture11"].SetValue(textures[11]);
effect.Parameters["xTexture12"].SetValue(textures[12]);
effect.Parameters["xTexture13"].SetValue(textures[13]);
effect.Parameters["xTexture14"].SetValue(textures[14]);
#endregion
#region Proj
// effect.Parameters["xTexture14"].SetValue(textures[26]);
#endregion
MinimumDepth = 9;
_rootNode.EnforceMinimumDepth();
MinimumDepth = 7;
QuadNodeController.ustawione = true;
_rootNode.EnforceMinimumDepth();
}
/// <summary>
/// Make sure neighbor parents are split to ensure
/// consistency with vertex sharing and tessellation.
/// </summary>
private static void EnsureNeighborParentSplit(QuadNode neighbor)
{
//Checking for null neighbor and null parent in case
//we recode for additional quad trees in the future.
if (neighbor != null && neighbor.Parent != null)
if (!neighbor.Parent.IsSplit)
neighbor.Parent.Split();
}