public bool UpdateSentence2(DFont font, string text, int positionX, int positionY, float red, float green, float blue, DeviceContext deviceContext)
{
// Store the color of the sentence.
PixelColour = new Vector4(red, green, blue, 1.0f);
// Get the number of letters in the sentence.
var numLetters = text.Length;
// Check for possible buffer overflow.
if (numLetters > MaxLength)
{
return(false);
}
// Calculate the X and Y pixel position on screen to start drawing to.
var drawX = -(ScreenWidth >> 1) + positionX;
var drawY = (ScreenHeight >> 1) - positionY;
// Use the font class to build the vertex array from the sentence text and sentence draw location.
List <DFont.DVertexType> vertices;
font.BuildVertexArray(out vertices, text, drawX, drawY);
// Empty all remaining vertices
for (int i = text.Length; i < MaxLength; i++)
{
var emptyVertex = new DFont.DVertexType();
emptyVertex.position = Vector3.Zero;
emptyVertex.texture = Vector2.Zero;
vertices.Add(emptyVertex);
}
DataStream mappedResource;
#region Vertex Buffer
// Lock the vertex buffer so it can be written to.
deviceContext.MapSubresource(VertexBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out mappedResource);
// Copy the data into the vertex buffer.
mappedResource.WriteRange <DFont.DVertexType>(vertices.ToArray());
// Unlock the vertex buffer.
deviceContext.UnmapSubresource(VertexBuffer, 0);
#endregion
// If shadowed then do the same for the second vertex buffer but offset by one pixel.
if (Shadowed)
{
// Perform same mapping and writings code as above except for the shadows offset position for the effect.
}
vertices?.Clear();
vertices = null;
return(true);
}
private bool InitializeSentence(SharpDX.Direct3D11.Device device, DFont font, string text, int positionX, int positionY, float red, float green, float blue, SharpDX.Direct3D11.DeviceContext deviceContext)
{
// Set the vertex and index count.
VertexCount = 6 * MaxLength;
IndexCount = 6 * MaxLength;
// Create the vertex array.
DFont.DVertexType[] vertices = new DFont.DVertexType[VertexCount];
// Create the index array.
int[] indices = new int[IndexCount];
//// Initialize vertex array to zeros at first.
for (int i = 0; i < vertices.Length; i++)
{
vertices[i].position = Vector3.Zero;
vertices[i].texture = Vector2.Zero;
}
// Initialize the index array.
for (var i = 0; i < IndexCount; i++)
{
indices[i] = i;
}
// Set up the description of the dynamic vertex buffer.
var vertexBufferDesc = new BufferDescription()
{
Usage = ResourceUsage.Dynamic,
SizeInBytes = Utilities.SizeOf <DFont.DVertexType>() * VertexCount,
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None,
StructureByteStride = 0
};
// Create the vertex buffer.
VertexBuffer = SharpDX.Direct3D11.Buffer.Create(device, vertices, vertexBufferDesc);
// Create the index buffer.
IndexBuffer = SharpDX.Direct3D11.Buffer.Create(device, BindFlags.IndexBuffer, indices);
// Release the vertex array as it is no longer needed.
// Release the index array as it is no longer needed.
vertices = null;
indices = null;
// Now add the text data to the sentence buffers.
if (!UpdateSentence2(font, text, positionX, positionY, red, green, blue, deviceContext))
{
return(false);
}
return(true);
}
private bool InitializeSentence(out DSentence sentence, int maxLength, int yPosition, SharpDX.Direct3D11.Device device)
{
// Create a new sentence object.
sentence = new DSentence();
sentence.yPos = yPosition;
// Initialize the sentence buffers to null;
sentence.VertexBuffer = null;
sentence.IndexBuffer = null;
// Set the maximum length of the sentence.
sentence.MaxLength = maxLength;
// Set the number of vertices in vertex array.
sentence.VertexCount = 6 * maxLength;
// Set the number of vertices in the vertex array.
sentence.IndexCount = sentence.VertexCount;
// Create the vertex array.
var vertices = new DFont.DVertexType[sentence.VertexCount];
// Create the index array.
var indices = new int[sentence.IndexCount];
// Initialize the index array.
for (var i = 0; i < sentence.IndexCount; i++)
{
indices[i] = i;
}
// Set up the description of the dynamic vertex buffer.
var vertexBufferDesc = new BufferDescription()
{
Usage = ResourceUsage.Dynamic,
SizeInBytes = Utilities.SizeOf <DFont.DVertexType>() * sentence.VertexCount,
BindFlags = BindFlags.VertexBuffer,
CpuAccessFlags = CpuAccessFlags.Write,
OptionFlags = ResourceOptionFlags.None,
StructureByteStride = 0
};
// Create the vertex buffer.
sentence.VertexBuffer = SharpDX.Direct3D11.Buffer.Create(device, vertices, vertexBufferDesc);
// Create the index buffer.
sentence.IndexBuffer = SharpDX.Direct3D11.Buffer.Create(device, BindFlags.IndexBuffer, indices);
vertices = null;
indices = null;
return(true);
}
private bool UpdateSentence2(ref DSentence sentence, string text, int positionX, int positionY, float red, float green, float blue, DeviceContext deviceContext)
{
// Store the color of the sentence.
sentence.red = red;
sentence.green = green;
sentence.blue = blue;
// Get the number of the letter in the sentence.
var numLetters = sentence.MaxLength;
// Check for possible buffer overflow.
if (numLetters > sentence.MaxLength)
{
return(false);
}
// Calculate the X and Y pixel position on screen to start drawing to.
var drawX = -(ScreenWidth >> 1) + positionX;
var drawY = (ScreenHeight >> 1) - positionY;
// Use the font class to build the vertex array from the sentence text and sentence draw location.
List <DFont.DVertexType> vertices;
Font.BuildVertexArray(out vertices, text, drawX, drawY);
// Empty all remaining vertices
for (int i = text.Length; i < sentence.MaxLength; i++)
{
var emptyVertex = new DFont.DVertexType();
emptyVertex.position = Vector3.Zero;
emptyVertex.texture = Vector2.Zero;
vertices.Add(emptyVertex);
}
DataStream mappedResource;
#region Vertex Buffer
// Lock the vertex buffer so it can be written to.
deviceContext.MapSubresource(sentence.VertexBuffer, MapMode.WriteDiscard, SharpDX.Direct3D11.MapFlags.None, out mappedResource);
// Copy the data into the vertex buffer.
mappedResource.WriteRange <DFont.DVertexType>(vertices.ToArray());
// Unlock the vertex buffer.
deviceContext.UnmapSubresource(sentence.VertexBuffer, 0);
#endregion
vertices?.Clear();
vertices = null;
return(true);
}
