private static EntityGeometry Tube(EntityData data, Texture2D propTexture)
{
var elementCount = data.tubeResolution;
ITextureDefintion texture = DefaultTextureDefinition.Instance;
var wrapTexture = data.wrapTexture;
var textures = data.Textures;
if (textures != null && textures.Length > 0)
{
if (wrapTexture)
{
texture = new TextureTubeWrapper(textures[0], propTexture.Bounds, elementCount);
}
else
{
texture = new TextureRectangle(textures[0], propTexture);
}
}
var size = data.Size2;
// /2 because it's radius, not diameter.
var vertices = TubeComposer.Create(size.X / 2f, size.Y, elementCount, texture);
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 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);
}
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));
}
}
}
private static EntityGeometry Cube(EntityData data, Texture2D propTexture)
{
ITextureDefintion texture = DefaultTextureDefinition.Instance;
var textures = data.Textures;
if (textures != null)
{
if (textures.Length == 1)
{
texture = new TextureRectangle(textures[0], propTexture);
}
else
{
var cuboidTexture = new TextureCuboidWrapper();
for (var i = 0; i < 6; i++)
{
if (textures.Length > i)
{
cuboidTexture.AddSide((CuboidSide)(i + 1), new TextureRectangle(textures[i], propTexture));
}
else
{
cuboidTexture.AddSide((CuboidSide)(i + 1), DefaultTextureDefinition.Instance);
}
}
texture = cuboidTexture;
}
}
var size = data.Size3;
var geometry = new EntityGeometry
{
Vertices = CuboidComposer.Create(size.X, size.Y, size.Z, texture),
Heights = new[] { size.Y, size.Y, size.Y, size.Y },
Size = size
};
return(geometry);
}
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);
}
private static EntityGeometry Walls(EntityData data, Texture2D propTexture)
{
var size = data.Size3;
var textureDefs = new ITextureDefintion[4];
var textureDefsRects = new Rectangle[4];
void setTexture(Rectangle rect, int dest)
{
if (data.tileTexture)
{
if (dest % 2 == 1)
{
rect.Width = (int)(rect.Width * size.Z);
}
else
{
rect.Width = (int)(rect.Width * size.X);
}
rect.Height = (int)(rect.Height * size.Y);
}
textureDefs[dest] = new TextureRectangle(rect, propTexture);
textureDefsRects[dest] = rect;
}
var textures = data.Textures;
if (textures != null && textures.Length > 0)
{
if (textures.Length < 4)
{
for (var i = 0; i < 4; i++)
{
setTexture(textures[0], i);
}
}
else
{
for (var i = 0; i < 4; i++)
{
setTexture(textures[i], i);
}
}
}
else
{
for (var i = 0; i < 4; i++)
{
setTexture(propTexture.Bounds, i);
}
}
var texture = new TextureCuboidWrapper();
texture.AddSide(CuboidSide.Front, textureDefs[0]);
texture.AddSide(CuboidSide.Left, textureDefs[1]);
texture.AddSide(CuboidSide.Back, textureDefs[2]);
texture.AddSide(CuboidSide.Right, textureDefs[3]);
var vertices = CuboidComposer.Create(size.X, size.Y, size.Z, texture).ToList();
// remove top and bottom vertices:
vertices.RemoveRange(0, 6);
vertices.RemoveRange(vertices.Count - 6, 6);
// remove sides with 0, 0 textures:
// shift the right vertices to th end of the list
var right = vertices.Skip(12).Take(6).ToArray();
vertices.RemoveRange(12, 6);
vertices.AddRange(right);
var removedOffset = 0;
for (var i = 0; i < 4; i++)
{
if (textureDefsRects[i].Width == 0 && textureDefsRects[i].Height == 0)
{
vertices.RemoveRange(removedOffset, 6);
}
else
{
removedOffset += 6;
}
}
var geometry = new EntityGeometry
{
Vertices = vertices.ToArray(),
Heights = new[] { size.Y, size.Y, size.Y, size.Y },
Size = size
};
return(geometry);
}
private static EntityGeometry Corner(EntityData data, Texture2D propTexture)
{
var textures = data.Textures;
var texX = 0f;
var texY = 0f;
var texWidth = 1f;
var texHeight = 1f;
if (textures != null && textures.Length > 0)
{
var rect = textures[0];
texX = (float)rect.X / propTexture.Width;
texY = (float)rect.Y / propTexture.Height;
texWidth = (float)rect.Width / propTexture.Width;
texHeight = (float)rect.Height / propTexture.Height;
}
var size = data.Size3;
var halfWidth = size.X / 2f;
var height = size.Y;
var halfDepth = size.Z / 2f;
var vertices = new List <VertexPositionNormalTexture>();
// TODO: normals
// back
{
vertices.Add(new VertexPositionNormalTexture
{
Position = new Vector3(-halfWidth, -0.5f, -halfDepth),
Normal = Vector3.One,
TextureCoordinate = new Vector2(texX, texY + texHeight)
});
vertices.Add(new VertexPositionNormalTexture
{
Position = new Vector3(halfWidth, -0.5f, -halfDepth),
Normal = Vector3.One,
TextureCoordinate = new Vector2(texX + texWidth, texY + texHeight)
});
vertices.Add(new VertexPositionNormalTexture
{
Position = new Vector3(halfWidth, height - 0.5f, halfDepth),
Normal = Vector3.One,
TextureCoordinate = new Vector2(texX + texWidth, texY)
});
}
// left
{
vertices.Add(new VertexPositionNormalTexture
{
Position = new Vector3(-halfWidth, -0.5f, -halfDepth),
Normal = Vector3.One,
TextureCoordinate = new Vector2(texX, texY + texHeight)
});
vertices.Add(new VertexPositionNormalTexture
{
Position = new Vector3(-halfWidth, -0.5f, halfDepth),
Normal = Vector3.One,
TextureCoordinate = new Vector2(texX + texWidth, texY + texHeight)
});
vertices.Add(new VertexPositionNormalTexture
{
Position = new Vector3(halfWidth, height - 0.5f, halfDepth),
Normal = Vector3.One,
TextureCoordinate = new Vector2(texX + texWidth, texY)
});
}
var geometry = new EntityGeometry
{
Vertices = vertices.ToArray(),
Heights = new[] { 0, 0, 0, height },
Size = size
};
return(geometry);
}
