public void UpdateLine2Mesh()
{
if (adaptivePoints.Count == 0)
{
UpdateTubeMesh();
}
var vertexFormat = Line2Mesh.VertexBufferRange.VertexFormat;
var position = vertexFormat.FindAttribute(VertexUsage.Position, 0);
var color = vertexFormat.FindAttribute(VertexUsage.Color, 0);
line2VertexWriter.BeginEdit();
line2IndexWriter.BeginEdit();
foreach (float t in adaptivePoints)
{
Vector3 pos = curve.PositionAt(t);
float r, g, b;
RenderStack.Math.Conversions.HSVtoRGB(360.0f * t, 1.0f, 1.0f, out r, out g, out b);
line2IndexWriter.Line(line2VertexWriter.CurrentIndex, line2VertexWriter.CurrentIndex + 1);
line2IndexWriter.CurrentIndex += 2;
line2VertexWriter.Set(color, r, g, b, 1.0f);
line2VertexWriter.Set(position, pos.X, pos.Y, pos.Z); ++line2VertexWriter.CurrentIndex;
line2VertexWriter.Set(color, r, g, b, 1.0f);
line2VertexWriter.Set(position, pos.X, 0.0f, pos.Z); ++line2VertexWriter.CurrentIndex;
}
line2VertexWriter.EndEdit();
line2IndexWriter.EndEdit();
}
public void UpdatePointMesh()
{
if (adaptivePoints.Count == 0)
{
UpdateTubeMesh();
}
var vertexFormat = PointMesh.VertexBufferRange.VertexFormat;
var position = vertexFormat.FindAttribute(VertexUsage.Position, 0);
var color = vertexFormat.FindAttribute(VertexUsage.Color, 0);
pointVertexWriter.BeginEdit();
pointIndexWriter.BeginEdit();
foreach (float t in adaptivePoints)
{
Vector3 pos = curve.PositionAt(t);
pointVertexWriter.Set(position, pos.X, pos.Y, pos.Z);
pointVertexWriter.Set(color, 1.0f, 1.0f, 1.0f, 1.0f);
pointIndexWriter.Point(pointVertexWriter.CurrentIndex);
++pointVertexWriter.CurrentIndex;
++pointIndexWriter.CurrentIndex;
}
pointVertexWriter.EndEdit();
pointIndexWriter.EndEdit();
}
public void UpdateRender()
{
vertexWriter.BeginEdit();
indexWriter.BeginEdit();
int visibleCount = 0;
for (byte y = 0; y < 128; ++y)
{
for (long x = 0; x < 16; ++x)
{
long wx = this.worldX + x;
for (long z = 0; z < 16; ++z)
{
long wz = this.worldZ + z;
if (map.IsVisible(wx, y, wz))
{
Cube(wx, y, wz, map[wx, y, wz]);
++visibleCount;
}
}
}
}
System.Diagnostics.Debug.WriteLine("Chunk had " + visibleCount + " visible cubes");
vertexWriter.EndEdit();
indexWriter.EndEdit();
}
public void Place(
float x0,
float y0,
float z0,
float width,
float height
)
{
//xOffset = x0;
size = new Vector2(width, height);
IBufferRange vertexBufferRange = mesh.VertexBufferRange;
var position = vertexBufferRange.VertexFormat.FindAttribute(VertexUsage.Position, 0);
var texCoord = vertexBufferRange.VertexFormat.FindAttribute(VertexUsage.TexCoord, 0);
vertexWriter.BeginEdit();
float[] b = new float[4];
b[0] = 0.0f;
b[1] = style.Border;
b[2] = 1.0f - style.Border;
b[3] = 1.0f;
float[] x = new float[4];
x[0] = x0;
x[1] = x0 + style.Border * style.Texture.Size.Width;
x[2] = x0 + width - style.Border * style.Texture.Size.Width;
x[3] = x0 + width;
float[] y = new float[4];
y[0] = y0;
y[1] = y0 + style.Border * style.Texture.Size.Height;
y[2] = y0 + height - style.Border * style.Texture.Size.Height;
y[3] = y0 + height;
for (int yi = 0; yi < 4; ++yi)
{
for (int xi = 0; xi < 4; ++xi)
{
vertexWriter.Set(position, x[xi], y[yi], z0);
vertexWriter.Set(texCoord, b[xi], b[3 - yi]);
++vertexWriter.CurrentIndex;
}
}
vertexWriter.EndEdit();
// \todo optimize
// \bug
//vertexBufferRange.Buffer.UpdateAll();
}
public void UpdateLineMesh()
{
var vertexFormat = LineMesh.VertexBufferRange.VertexFormat;
var position = vertexFormat.FindAttribute(VertexUsage.Position, 0);
var color = vertexFormat.FindAttribute(VertexUsage.Color, 0);
lineVertexWriter.BeginEdit();
for (int i = 0; i < curve.Count; ++i)
{
lineVertexWriter.Set(color, 1.0f, 1.0f, 1.0f, 1.0f);
lineVertexWriter.Set(position, curve[i].Position); ++lineVertexWriter.CurrentIndex;
}
for (int i = 0; i < curve.Count; ++i)
{
lineVertexWriter.Set(color, 1.0f, 0.0f, 0.0f, 1.0f);
lineVertexWriter.Set(position, curve[i].Position); ++lineVertexWriter.CurrentIndex;
lineVertexWriter.Set(color, 0.0f, 0.0f, 1.0f, 1.0f);
lineVertexWriter.Set(position, curve[i].Position.X, 0.0f, curve[i].Position.Z); ++lineVertexWriter.CurrentIndex;
}
lineVertexWriter.EndEdit();
}
public void EndPrint()
{
vertexWriter.EndEdit();
indexWriter.EndEdit();
}
public virtual void UpdateTubeMesh()
{
var vertexFormat = TubeMesh.VertexBufferRange.VertexFormat;
tubePosition = vertexFormat.FindAttribute(VertexUsage.Position, 0);
tubeNormal = vertexFormat.FindAttribute(VertexUsage.Normal, 0);
tubeTangent = vertexFormat.FindAttribute(VertexUsage.Tangent, 0);
tubeColor = vertexFormat.FindAttribute(VertexUsage.Color, 0);
tubeT = vertexFormat.FindAttribute(VertexUsage.Color, 1);
tubeId = vertexFormat.FindAttribute(VertexUsage.Id, 0);
tubeVertexWriter.BeginEdit();
tubeIndexWriter.BeginEdit();
// \todo hack fixme
((GenericCurve)(curve)).UpdateNURBS();
// Compute initial N
Vector3 pos = curve.PositionAt(0.0f);
Vector3 posNext = curve.PositionAt(1.0f / 512.0f);
Vector3 d1 = posNext - pos;
Vector3 T = Vector3.Normalize(d1);
Vector3 N = d1.MinAxis;
Vector3 B = Vector3.Normalize(Vector3.Cross(T, N));
LastN = Vector3.Normalize(Vector3.Cross(B, T));
UpdateTubeMeshWithAdaptiveSubdivision();
for (int stack = 1; stack < TubeStackCount - 2; ++stack)
{
int nextStack = stack + 1;
for (int slice = 0; slice < tubeSliceCount; ++slice)
{
int nextSlice = (slice + 1) % tubeSliceCount;
tubeIndexWriter.Quad(
(uint)(stack * tubeSliceCount + nextSlice),
(uint)(stack * tubeSliceCount + slice),
(uint)(nextStack * tubeSliceCount + slice),
(uint)(nextStack * tubeSliceCount + nextSlice)
);
tubeIndexWriter.CurrentIndex += 6;
}
}
for (int slice = 0; slice < tubeSliceCount; ++slice)
{
int nextSlice1 = (slice + 1) % tubeSliceCount;
tubeIndexWriter.Triangle(
(uint)(0 * tubeSliceCount),
(uint)(0 * tubeSliceCount + slice),
(uint)(0 * tubeSliceCount + nextSlice1)
);
tubeIndexWriter.CurrentIndex += 3;
}
for (int slice = 0; slice < tubeSliceCount; ++slice)
{
int nextSlice1 = (slice + 1) % tubeSliceCount;
tubeIndexWriter.Triangle(
(uint)((TubeStackCount - 1) * tubeSliceCount + nextSlice1),
(uint)((TubeStackCount - 1) * tubeSliceCount + slice),
(uint)((TubeStackCount - 1) * tubeSliceCount)
);
tubeIndexWriter.CurrentIndex += 3;
}
tubeVertexWriter.EndEdit();
tubeIndexWriter.EndEdit();
}
public void BuildMeshFromGeometry(
BufferUsageHint bufferUsageHint,
NormalStyle normalStyle,
VertexFormat vertexFormat
)
{
if (Geometry.PolygonAttributes.Contains <Vector3>("polygon_normals") == false)
{
Geometry.ComputePolygonNormals();
}
Geometry.ComputePointNormals("point_normals_smooth");
if (Geometry.PointAttributes.Contains <Vector3>("polygon_centroids") == false)
{
Geometry.ComputePolygonCentroids();
}
var polygonIdsVector3 = Geometry.PolygonAttributes.FindOrCreate <Vector3>("polygon_ids_vec3");
var polygonIdsUInt32 = (RenderStack.Graphics.Configuration.useIntegerPolygonIDs)
? Geometry.PolygonAttributes.FindOrCreate <UInt32>("polygon_ids_uint")
: null;
Dictionary <Corner, Vector3> cornerNormals = null;
Dictionary <Point, Vector3> pointNormals = null;
Dictionary <Point, Vector3> pointNormalsSmooth = Geometry.PointAttributes.Find <Vector3>("point_normals_smooth");
bool normalsFound = false;
if (Geometry.CornerAttributes.Contains <Vector3>("corner_normals"))
{
cornerNormals = Geometry.CornerAttributes.Find <Vector3>("corner_normals");
normalsFound = true;
}
if (Geometry.PointAttributes.Contains <Vector3>("point_normals"))
{
pointNormals = Geometry.PointAttributes.Find <Vector3>("point_normals");
normalsFound = true;
}
if (normalsFound == false)
{
//Geometry.ComputeCornerNormals(0.0f * (float)System.Math.PI);
Geometry.SmoothNormalize("corner_normals", "polygon_normals", (0.0f * (float)System.Math.PI));
cornerNormals = Geometry.CornerAttributes.Find <Vector3>("corner_normals");
}
Dictionary <Corner, Vector2> cornerTexcoords = null;
Dictionary <Point, Vector2> pointTexcoords = null;
if (Geometry.CornerAttributes.Contains <Vector2>("corner_texcoords"))
{
cornerTexcoords = Geometry.CornerAttributes.Find <Vector2>("corner_texcoords");
}
if (Geometry.PointAttributes.Contains <Vector2>("point_texcoords"))
{
pointTexcoords = Geometry.PointAttributes.Find <Vector2>("point_texcoords");
}
//Dictionary<Corner, Vector4> cornerColors = null;
var cornerColors = default(Dictionary <Corner, Vector4>);
Dictionary <Point, Vector4> pointColors = null;
if (Geometry.CornerAttributes.Contains <Vector4>("corner_colors"))
{
cornerColors = Geometry.CornerAttributes.Find <Vector4>("corner_colors");
}
if (Geometry.PointAttributes.Contains <Vector4>("point_colors"))
{
pointColors = Geometry.PointAttributes.Find <Vector4>("point_colors");
}
var polygonNormals = Geometry.PolygonAttributes.Find <Vector3>("polygon_normals");
var polygonCentroids = Geometry.PolygonAttributes.Find <Vector3>("polygon_centroids");
var pointLocations = Geometry.PointAttributes.Find <Vector3>("point_locations");
var cornerIndices = Geometry.CornerAttributes.FindOrCreate <uint>("corner_indices");
var attributePosition = vertexFormat.FindAttribute(VertexUsage.Position, 0);
var attributeNormal = vertexFormat.FindAttribute(VertexUsage.Normal, 0); /* content normals */
var attributeNormalFlat = vertexFormat.FindAttribute(VertexUsage.Normal, 1); /* flat normals */
var attributeNormalSmooth = vertexFormat.FindAttribute(VertexUsage.Normal, 2); /* smooth normals */
var attributeColor = vertexFormat.FindAttribute(VertexUsage.Color, 0);
var attributeTexcoord = vertexFormat.FindAttribute(VertexUsage.TexCoord, 0);
var attributeIdVec3 = vertexFormat.FindAttribute(VertexUsage.Id, 0);
var attributeIdUInt = vertexFormat.FindAttribute(VertexUsage.Id, 0);
// \note work in progress
GetMesh = new Mesh();
IBuffer vertexBuffer = BufferPool.Instance.GetVertexBuffer(vertexFormat, bufferUsageHint);
GetMesh.VertexBufferRange = vertexBuffer.CreateVertexBufferRange();
IBuffer indexBuffer = BufferPool.Instance.GetIndexBuffer(DrawElementsType.UnsignedInt, bufferUsageHint);
#region prepare index buffers
var polygonFillIndices = GetMesh.FindOrCreateIndexBufferRange(
MeshMode.PolygonFill,
indexBuffer,
BeginMode.Triangles
);
var edgeLineIndices = GetMesh.FindOrCreateIndexBufferRange(
MeshMode.EdgeLines,
indexBuffer,
BeginMode.Lines
);
/*BufferRange silhouetteLineIndices = GetMesh.FindOrCreateIndexBuffer(
* MeshMode.EdgeLines,
* indexBuffer,
* BeginMode.Lines
* );*/
var cornerPointIndices = GetMesh.FindOrCreateIndexBufferRange(
MeshMode.CornerPoints,
indexBuffer,
BeginMode.Points
);
var polygonCentroidIndices = GetMesh.FindOrCreateIndexBufferRange(
MeshMode.PolygonCentroids,
indexBuffer,
BeginMode.Points
);
#endregion prepare index buffers
var vertexWriter = new VertexBufferWriter(GetMesh.VertexBufferRange);
var polygonFillIndexWriter = new IndexBufferWriter(polygonFillIndices);
var edgeLineIndexWriter = new IndexBufferWriter(edgeLineIndices);
var cornerPointIndexWriter = new IndexBufferWriter(cornerPointIndices);
var polygonCentroidIndexWriter = new IndexBufferWriter(polygonCentroidIndices);
vertexWriter.BeginEdit();
polygonFillIndexWriter.BeginEdit();
edgeLineIndexWriter.BeginEdit();
cornerPointIndexWriter.BeginEdit();
polygonCentroidIndexWriter.BeginEdit();
UInt32 polygonIndex = 0;
#region polygons
cornerIndices.Clear();
foreach (Polygon polygon in Geometry.Polygons)
{
if (RenderStack.Graphics.Configuration.useIntegerPolygonIDs)
{
polygonIdsUInt32[polygon] = polygonIndex;
}
polygonIdsVector3[polygon] = Vector3.Vector3FromUint(polygonIndex);
Vector3 polygonNormal = Vector3.UnitY;
if (polygon.Corners.Count > 2 && polygonNormals != null && polygonNormals.ContainsKey(polygon))
{
polygonNormal = polygonNormals[polygon];
}
uint firstIndex = vertexWriter.CurrentIndex;
uint previousIndex = firstIndex;
#region corners
foreach (Corner corner in polygon.Corners)
{
// Position
vertexWriter.Position(pointLocations[corner.Point]);
// Normal
Vector3 normal = Vector3.UnitY;
if (
(cornerNormals != null) &&
(polygon.Corners.Count > 2) &&
(cornerNormals.ContainsKey(corner) == true)
)
{
normal = cornerNormals[corner];
}
else if (pointNormals != null && pointNormals.ContainsKey(corner.Point))
{
normal = pointNormals[corner.Point];
}
else if (pointNormalsSmooth != null && pointNormalsSmooth.ContainsKey(corner.Point))
{
normal = pointNormalsSmooth[corner.Point];
}
Vector3 pointNormal = Vector3.UnitY;
if (pointNormals != null && pointNormals.ContainsKey(corner.Point))
{
pointNormal = pointNormals[corner.Point];
}
else if (pointNormalsSmooth != null && pointNormalsSmooth.ContainsKey(corner.Point))
{
pointNormal = pointNormalsSmooth[corner.Point];
}
switch (normalStyle)
{
case NormalStyle.CornerNormals: vertexWriter.Normal(normal); break;
case NormalStyle.PointNormals: vertexWriter.Normal(pointNormal); break;
case NormalStyle.PolygonNormals: vertexWriter.Normal(polygonNormal); break;
}
if (attributeNormalFlat != null)
{
vertexWriter.Set(attributeNormalFlat, polygonNormal);
}
if (attributeNormalSmooth != null)
{
vertexWriter.Set(attributeNormalSmooth, pointNormalsSmooth[corner.Point]);
}
// Texcoord
if (attributeTexcoord != null)
{
if (
(cornerTexcoords != null) &&
(cornerTexcoords.ContainsKey(corner) == true)
)
{
vertexWriter.Set(attributeTexcoord, cornerTexcoords[corner]);
}
else if (
(pointTexcoords != null) &&
(pointTexcoords.ContainsKey(corner.Point) == true)
)
{
vertexWriter.Set(attributeTexcoord, pointTexcoords[corner.Point]);
}
}
// Vertex Color
if (attributeColor != null)
{
if (
(cornerColors != null) &&
(cornerColors.ContainsKey(corner) == true)
)
{
vertexWriter.Set(attributeColor, cornerColors[corner]);
}
else if (
(pointColors != null) &&
(pointColors.ContainsKey(corner.Point) == true)
)
{
vertexWriter.Set(attributeColor, pointColors[corner.Point]);
}
else
{
vertexWriter.Set(attributeColor, Vector4.One);
}
}
// PolygonId
if (RenderStack.Graphics.Configuration.useIntegerPolygonIDs && (attributeIdUInt != null))
{
vertexWriter.Set(attributeIdUInt, polygonIndex);
}
if (attributeIdVec3 != null)
{
Vector3 v = Vector3.Vector3FromUint(polygonIndex);
vertexWriter.Set(attributeIdVec3, v);
}
cornerPointIndexWriter.Point(vertexWriter.CurrentIndex);
cornerPointIndexWriter.CurrentIndex++;
cornerIndices[corner] = vertexWriter.CurrentIndex;
if (previousIndex != firstIndex)
{
polygonFillIndexWriter.Triangle(firstIndex, vertexWriter.CurrentIndex, previousIndex);
polygonFillIndexWriter.CurrentIndex += 3;
}
previousIndex = vertexWriter.CurrentIndex;
++vertexWriter.CurrentIndex;
}
#endregion corners
++polygonIndex;
}
#endregion polygons
#region edges
Geometry.BuildEdges();
foreach (Edge edge in Geometry.Edges.Keys)
{
if (
cornerIndices.ContainsKey(edge.A.Corners[0]) &&
cornerIndices.ContainsKey(edge.B.Corners[0])
)
{
uint i0 = cornerIndices[edge.A.Corners[0]];
uint i1 = cornerIndices[edge.B.Corners[0]];
edgeLineIndexWriter.Line(i0, i1);
edgeLineIndexWriter.CurrentIndex += 2;
}
}
#endregion edges
#region polygon centroids
foreach (Polygon polygon in Geometry.Polygons)
{
Vector3 normal;
if (polygon.Corners.Count > 2)
{
normal = polygonNormals[polygon];
}
else
{
normal = new Vector3(0.0f, 1.0f, 0.0f);
}
vertexWriter.Position(polygonCentroids[polygon]);
if (attributeNormal != null)
{
vertexWriter.Set(attributeNormal, normal);
}
if (attributeNormalFlat != null)
{
vertexWriter.Set(attributeNormalFlat, normal);
}
polygonCentroidIndexWriter.Point(vertexWriter.CurrentIndex);
++vertexWriter.CurrentIndex;
++polygonCentroidIndexWriter.CurrentIndex;
}
#endregion polygon centroids
vertexWriter.EndEdit();
polygonFillIndexWriter.EndEdit();
edgeLineIndexWriter.EndEdit();
cornerPointIndexWriter.EndEdit();
polygonCentroidIndexWriter.EndEdit();
}