protected override void CreateGeometry()
{
var vertices = RectangleComposer.Create(1f, 1f);
VertexTransformer.Rotate(vertices, new Vector3(MathHelper.PiOver2, 0, 0));
Geometry.AddVertices(vertices);
}
private static EntityGeometry Billboard(EntityData data, Texture2D propTexture)
{
ITextureDefintion texture = DefaultTextureDefinition.Instance;
var textures = data.Textures;
if (textures != null && textures.Length > 0)
{
texture = new TextureRectangle(textures[0], propTexture);
}
var size = data.Size2;
var vertices = RectangleComposer.Create(1f, 1f, texture);
VertexTransformer.Rotate(vertices, new Vector3(data.billboardTilt, 0, 0));
VertexTransformer.Scale(vertices, new Vector3(size.X, size.Y, 1f));
if (size.Y != 1f)
{
VertexTransformer.Offset(vertices, new Vector3(0, (size.Y - 1f) / 2f, 0));
}
var geometry = new EntityGeometry
{
Vertices = vertices,
Heights = new[] { size.Y, size.Y, size.Y, size.Y },
Size = new Vector3(size.X, size.Y, size.X)
};
return(geometry);
}
private static EntityGeometry Plane(EntityData data, Texture2D propTexture)
{
var size = data.Size2;
ITextureDefintion texture = DefaultTextureDefinition.Instance;
var textures = data.Textures;
if (textures != null && textures.Length > 0)
{
var rect = textures[0];
if (data.tileTexture)
{
rect.Width = (int)(rect.Width * size.X);
rect.Height = (int)(rect.Height * size.Y);
}
texture = new TextureRectangle(rect, propTexture);
}
else
{
if (data.tileTexture)
{
texture = new TextureRectangle(0, 0, size.X, size.Y);
}
}
VertexPositionNormalTexture[] vertices;
float[] heights;
var floorOffset = -0.5f;
if (data.elevation == null || data.elevation.Length < 4)
{
vertices = RectangleComposer.Create(size.X, size.Y, texture);
VertexTransformer.Offset(vertices, new Vector3(0, floorOffset, 0));
heights = new float[] { 0, 0, 0, 0 };
}
else
{
var halfWidth = size.X / 2f;
var halfHeight = size.Y / 2f;
vertices = RectangleComposer.Create(new[]
{
new Vector3(-halfWidth, data.elevation[0] + floorOffset, -halfHeight),
new Vector3(halfWidth, data.elevation[1] + floorOffset, -halfHeight),
new Vector3(-halfWidth, data.elevation[2] + floorOffset, halfHeight),
new Vector3(halfWidth, data.elevation[3] + floorOffset, halfHeight),
}, texture);
heights = new float[] { data.elevation[0], data.elevation[1], data.elevation[2], data.elevation[3] };
}
var geometry = new EntityGeometry
{
Vertices = vertices,
Heights = heights,
Size = new Vector3(size.X, 1, size.Y)
};
return(geometry);
}
public void CreaseVerts()
{
for (int i = 0; i < this._Faces.Count; i++)
{
for (int j = i + 1; j < this._Faces.Count; j++)
{
List <int> SameVertices = new List <int>();
List <int> F1Position = new List <int>();
List <int> F2Position = new List <int>();
for (int k = 0; k < this.Faces[i].Vertices.Count; k++)
{
for (int l = 0; l < this.Faces[j].Vertices.Count; l++)
{
if (this.Faces[i].Vertices[k] == this.Faces[j].Vertices[l])
{
SameVertices.Add(this.Faces[i].Vertices[k]);
F1Position.Add(k);
F2Position.Add(l);
}
}
}
if (SameVertices.Count > 1)
{
List <Vertex> Vertices1 = new List <Vertex>();
for (int k = 0; k < this.Faces[i].Vertices.Count; k++)
{
Vertices1.Add(this._Vertices[this.Faces[i].Vertices[k]]);
}
List <Vertex> Vertices2 = new List <Vertex>();
for (int l = 0; l < this.Faces[j].Vertices.Count; l++)
{
Vertices2.Add(this._Vertices[this.Faces[j].Vertices[l]]);
}
Vertex Normal1 = VertexTransformer.Normalize(VertexTransformer.CalculateNormal(Vertices1.ToArray()).ToVertex()).ToVertex();
Vertex Normal2 = VertexTransformer.Normalize(VertexTransformer.CalculateNormal(Vertices2.ToArray()).ToVertex()).ToVertex();
float Angle = VertexTransformer.Angle(Normal1, Normal2);
Angle *= (float)(180 / Math.PI);
if (Angle > 15)
{
for (int k = 0; k < SameVertices.Count; k++)
{
int Index = this._Vertices.Count;
this._Vertices.Add(this._Vertices[SameVertices[k]]);
if (this._Normals.Count > 0 && this.Faces[j].Normals.Count > 0)
{
this._Normals.Add(this._Normals[this._Faces[j].Normals[F2Position[k]]]);
}
this.Faces[j].Vertices[F2Position[k]] = Index;
if (this._Normals.Count > 0 && this.Faces[j].Normals.Count > 0)
{
this.Faces[j].Normals[F2Position[k]] = Index;
}
}
}
}
}
}
}
private static EntityGeometry HouseInside(EntityData data, Texture2D propTexture)
{
ITextureDefintion texture = DefaultTextureDefinition.Instance;
var textures = data.Textures;
if (textures != null && textures.Length > 0)
{
texture = new TextureRectangle(textures[0], propTexture);
}
var size = data.Size3;
var allVertices = new List <VertexPositionNormalTexture>();
// back
{
var vertices = RectangleComposer.Create(1f, 1f, texture);
VertexTransformer.Scale(vertices, new Vector3(size.X, size.Y, 1f));
VertexTransformer.Rotate(vertices, new Vector3(MathHelper.PiOver2, 0, 0));
VertexTransformer.Offset(vertices, new Vector3(0, 0, -size.Z / 2f));
allVertices.AddRange(vertices);
}
// left
{
var vertices = RectangleComposer.Create(1f, 1f, texture);
VertexTransformer.Scale(vertices, new Vector3(size.Z, size.Y, 1f));
VertexTransformer.Rotate(vertices, new Vector3(MathHelper.PiOver2, MathHelper.PiOver2, 0));
VertexTransformer.Offset(vertices, new Vector3(-size.X / 2f, 0, 0));
allVertices.AddRange(vertices);
}
// right
{
var vertices = RectangleComposer.Create(1f, 1f, texture);
VertexTransformer.Scale(vertices, new Vector3(size.Z, size.Y, 1f));
VertexTransformer.Rotate(vertices, new Vector3(MathHelper.PiOver2, -MathHelper.PiOver2, 0));
VertexTransformer.Offset(vertices, new Vector3(size.X / 2f, 0, 0));
allVertices.AddRange(vertices);
}
// floor
{
var vertices = RectangleComposer.Create(1f, 1f, texture);
VertexTransformer.Scale(vertices, new Vector3(size.X, 1f, size.Z));
VertexTransformer.Offset(vertices, new Vector3(0, -0.499f, 0)); // do not put 0.5 to not interfer with floors
allVertices.AddRange(vertices);
}
var geometry = new EntityGeometry
{
Vertices = allVertices.ToArray(),
Heights = new[] { size.Y, size.Y, size.Y, size.Y },
Size = new Vector3(size.X, size.Y, size.Z)
};
return(geometry);
}
protected override void CreateGeometry()
{
if (_fieldSize == Vector2.One)
{
var entityGeometry = EntityGeometry.Create(_data, Texture);
_heights = entityGeometry.Heights;
Size = entityGeometry.Size;
RotateSize();
Geometry.AddVertices(entityGeometry.Vertices);
}
else
{
var entityGeometry = EntityGeometry.Create(_data, Texture);
_heights = entityGeometry.Heights;
Size = new Vector3(_steps.X * _fieldSize.X - (_steps.X - 1f) + (entityGeometry.Size.X - 1f),
entityGeometry.Size.Y,
_steps.Y * _fieldSize.Y - (_steps.Y - 1f) + (entityGeometry.Size.Z - 1f));
RotateSize();
var vertices = entityGeometry.Vertices;
// center the field on the main position
VertexTransformer.Offset(vertices, -new Vector3((_fieldSize.X - 1f) * _steps.X / 2f, 0,
(_fieldSize.Y - 1f) * _steps.Y / 2f));
var indexOffset = 0;
var vLength = vertices.Length;
for (var z = 0; z < _fieldSize.Y; z++)
{
for (var x = 0; x < _fieldSize.X; x++)
{
// optimize field geometry for creation time
// do not index vertices
Geometry.AddIndexedVertices(vertices);
var indices = new int[vLength];
for (var i = 0; i < vLength; i++)
{
indices[i] = indexOffset + i;
}
Geometry.AddIndices(indices);
indices = null;
indexOffset += vLength;
VertexTransformer.Offset(vertices, new Vector3(_steps.X, 0, 0));
}
VertexTransformer.Offset(vertices, new Vector3(-_fieldSize.X * _steps.X, 0, _steps.Y));
}
}
}
protected override void CreateGeometry()
{
Geometry.AddVertices(CuboidComposer.Create(0.2f, 10f, 0.2f,
new GeometryTextureRectangle(new Rectangle(0, 4, 4, 4), _texture)));
var sideTexture1 = new GeometryTextureRectangle(new Rectangle(0, 0, 8, 4), _texture);
var sideTexture2 = new GeometryTextureRectangle(new Rectangle(12, 4, 4, 4), _texture);
var bottomTexture = new GeometryTextureRectangle(new Rectangle(8, 0, 8, 4), _texture);
var cuboidTexture = new GeometryTextureCuboidWrapper();
cuboidTexture.AddSide(new[] { CuboidSide.Left, CuboidSide.Right }, sideTexture2);
cuboidTexture.AddSide(new[] { CuboidSide.Front, CuboidSide.Back, CuboidSide.Top }, sideTexture1);
cuboidTexture.AddSide(new[] { CuboidSide.Bottom }, bottomTexture);
var topPart = CuboidComposer.Create(0.8f, 0.4f, 0.4f, cuboidTexture);
VertexTransformer.Offset(topPart, new Vector3(0.25f, 5f, 0f));
Geometry.AddVertices(topPart);
}
public void RecalculateNormals()
{
this._Normals = new List <Vertex>();
List <Vertex>[] Normals = new List <Vertex> [_Vertices.Count];
for (int i = 0; i < this._Faces.Count; i++)
{
List <Vertex> Vertices = new List <Vertex>();
for (int j = 0; j < this._Faces[i].Vertices.Count; j++)
{
Vertices.Add(this._Vertices[Faces[i].Vertices[j]]);
}
Vertex Normal = (VertexTransformer.Normalize(VertexTransformer.CalculateNormal(Vertices.ToArray()).ToVertex())).ToVertex();
Faces[i].Normals.Clear();
for (int j = 0; j < this._Faces[i].Vertices.Count; j++)
{
if (Normals[Faces[i].Vertices[j]] == null)
{
Normals[Faces[i].Vertices[j]] = new List <Vertex>();
}
Normals[Faces[i].Vertices[j]].Add(Normal);
Faces[i].Normals.Add(j);
}
}
for (int i = 0; i < _Vertices.Count; i++)
{
if (Normals[i] == null)
{
this._Normals.Add(new Vertex(1, 0, 0));
}
else
{
this._Normals.Add(VertexTransformer.Average(Normals[i].ToArray()).ToVertex());
}
}
for (int i = 0; i < this._Faces.Count; i++)
{
for (int j = 0; j < this._Faces[i].Vertices.Count; j++)
{
this._Faces[i].Normals[j] = this._Faces[i].Vertices[j];
}
}
}
public static VertexInput[] Create(float radius, float height, int edgeCount,
IGeometryTextureDefintion sideTexture, IGeometryTextureDefintion endTexture)
{
var vertices = new List <VertexInput>();
var sides = TubeComposer.Create(radius, height, edgeCount, sideTexture);
var end1 = CircleComposer.Create(radius, edgeCount, endTexture);
var end2 = CircleComposer.Create(radius, edgeCount, endTexture);
VertexTransformer.Rotate(end1, new Vector3(0, 0, MathHelper.PiOver2));
VertexTransformer.Offset(end1, new Vector3(height / 2f, 0, 0));
VertexTransformer.Rotate(end2, new Vector3(0, 0, MathHelper.PiOver2));
VertexTransformer.Offset(end2, new Vector3(-height / 2f, 0, 0));
vertices.AddRange(sides);
vertices.AddRange(end1);
vertices.AddRange(end2);
return(vertices.ToArray());
}
private static EntityGeometry Wall(EntityData data, Texture2D propTexture)
{
var size = data.Size3;
ITextureDefintion texture = DefaultTextureDefinition.Instance;
var textures = data.Textures;
if (textures != null && textures.Length > 0)
{
var rect = textures[0];
if (data.tileTexture)
{
rect.Width = (int)(rect.Width * size.X);
rect.Height = (int)(rect.Height * size.Y);
}
texture = new TextureRectangle(rect, propTexture);
}
else
{
if (data.tileTexture)
{
texture = new TextureRectangle(0, 0, size.X, size.Y);
}
}
var vertices = RectangleComposer.Create(size.X, size.Y, texture);
VertexTransformer.Rotate(vertices, new Vector3(MathHelper.PiOver2, 0, 0));
VertexTransformer.Offset(vertices, new Vector3(0, 0, 0.5f));
var geometry = new EntityGeometry
{
Vertices = vertices,
Heights = new[] { size.Y, size.Y, size.Y, size.Y },
Size = new Vector3(size.X, size.Y, size.Z)
};
return(geometry);
}
