/// <inheritdoc/>
public void Point(Color color, Vector vector)
{
var r = GetColorValue(color.R);
var g = GetColorValue(color.G);
var b = GetColorValue(color.B);
float x = (float)vector.X, y = 200f - (float)vector.Y;
_pointBuffer.Triangle(0, 1, 2);
_pointBuffer.Triangle(0, 2, 3);
WriteVector(_pointBuffer, x - _lineRadius, y - _lineRadius);
_pointBuffer.VertexFloat(-1, -1);
_pointBuffer.VertexByte(r, g, b);
_pointBuffer.EndVertex();
WriteVector(_pointBuffer, x + _lineRadius, y - _lineRadius);
_pointBuffer.VertexFloat(1, -1);
_pointBuffer.VertexByte(r, g, b);
_pointBuffer.EndVertex();
WriteVector(_pointBuffer, x + _lineRadius, y + _lineRadius);
_pointBuffer.VertexFloat(1, 1);
_pointBuffer.VertexByte(r, g, b);
_pointBuffer.EndVertex();
WriteVector(_pointBuffer, x - _lineRadius, y + _lineRadius);
_pointBuffer.VertexFloat(-1, 1);
_pointBuffer.VertexByte(r, g, b);
_pointBuffer.EndVertex();
}
/// <summary>
/// Initializes a new instance of the <see cref="PreProcessor"/> class.
/// </summary>
public PreProcessor()
{
_buffer.Clear();
_buffer.Triangle(0, 1, 2);
_buffer.Triangle(0, 2, 3);
_buffer.VertexFloat(-1, -1);
_buffer.EndVertex();
_buffer.VertexFloat(1, -1);
_buffer.EndVertex();
_buffer.VertexFloat(1, 1);
_buffer.EndVertex();
_buffer.VertexFloat(-1, 1);
_buffer.EndVertex();
_vertexArray.SetData(_buffer, BufferUsageHint.StaticDraw);
}
/// <inheritdoc/>
public void Line(Color color, Vector begin, Vector end)
{
var r = GetColorValue(color.R);
var g = GetColorValue(color.G);
var b = GetColorValue(color.B);
float ax = (float)begin.X, ay = 200f - (float)begin.Y, bx = (float)end.X, by = 200f - (float)end.Y;
var vx = bx - ax;
float vy = by - ay;
var vectorLength = (float)Math.Sqrt(vx * vx + vy * vy);
float vf = _lineRadius / vectorLength;
vx *= vf;
vy *= vf;
float lineLength = vectorLength / _lineRadius;
_lineBuffer.Triangle(0, 1, 3);
_lineBuffer.Triangle(1, 2, 3);
WriteVector(_lineBuffer, ax - vx - vy, ay - vy + vx);
_lineBuffer.VertexFloat(-1, 1);
_lineBuffer.VertexFloat(lineLength);
_lineBuffer.VertexByte(r, g, b);
_lineBuffer.EndVertex();
WriteVector(_lineBuffer, ax - vx + vy, ay - vy - vx);
_lineBuffer.VertexFloat(-1, -1);
_lineBuffer.VertexFloat(lineLength);
_lineBuffer.VertexByte(r, g, b);
_lineBuffer.EndVertex();
WriteVector(_lineBuffer, bx + vx + vy, by + vy - vx);
_lineBuffer.VertexFloat(lineLength + 1, -1);
_lineBuffer.VertexFloat(lineLength);
_lineBuffer.VertexByte(r, g, b);
_lineBuffer.EndVertex();
WriteVector(_lineBuffer, bx + vx - vy, by + vy + vx);
_lineBuffer.VertexFloat(lineLength + 1, 1);
_lineBuffer.VertexFloat(lineLength);
_lineBuffer.VertexByte(r, g, b);
_lineBuffer.EndVertex();
}
/// <summary>
/// Begins a new frame and sets the dimensions of the render area.
/// </summary>
/// <param name="width">The width in pixels.</param>
/// <param name="height">The height in pixels.</param>
internal void BeginFrame(int width, int height)
{
if (_width != width || _height != height)
{
_width = width;
_height = height;
for (int i = 0; i < _blurFramebuffers.Length; ++i)
{
_blurFramebuffers[i].SetSize(width * 2 / 3, height * 2 / 3);
}
float w, h;
float a = (float)(width / GraphicsConstants.Width * GraphicsConstants.Height / height);
if (a > 1)
{
h = 1;
w = a;
}
else
{
w = 1;
h = 1 / a;
}
_triangleBuffer.Clear();
_triangleBuffer.Triangle(0, 1, 2);
_triangleBuffer.Triangle(0, 2, 3);
_triangleBuffer.VertexFloat(-1, -1);
_triangleBuffer.VertexFloat(-w, -h);
_triangleBuffer.EndVertex();
_triangleBuffer.VertexFloat(1, -1);
_triangleBuffer.VertexFloat(w, -h);
_triangleBuffer.EndVertex();
_triangleBuffer.VertexFloat(1, 1);
_triangleBuffer.VertexFloat(w, h);
_triangleBuffer.EndVertex();
_triangleBuffer.VertexFloat(-1, 1);
_triangleBuffer.VertexFloat(-w, h);
_triangleBuffer.EndVertex();
_vertexArray.SetData(_triangleBuffer, BufferUsageHint.StaticDraw);
}
}
private void DrawBlockBottom(TriangleBuffer buffer, WorldTextureAtlas.TextureEntry textureEntry, float x, float y, float z, float highlight)
{
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - 0.5f, y - 0.5f, z + 0.5f); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexColorBytes(0.33f, 0.33f, 0.33f, highlight); buffer.EndVertex();
buffer.VertexFloat(x - 0.5f, y - 0.5f, z - 0.5f); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexColorBytes(0.33f, 0.33f, 0.33f, highlight); buffer.EndVertex();
buffer.VertexFloat(x + 0.5f, y - 0.5f, z - 0.5f); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexColorBytes(0.33f, 0.33f, 0.33f, highlight); buffer.EndVertex();
buffer.VertexFloat(x + 0.5f, y - 0.5f, z + 0.5f); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexColorBytes(0.33f, 0.33f, 0.33f, highlight); buffer.EndVertex();
}
private void DrawEntity(TriangleBuffer buffer, float x, float y, float z, float xRadius, float height)
{
var textureEntry = _textureAtlas.GetTextureEntry(0);
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(217, 217, 217, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(217, 217, 217, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(217, 217, 217, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(217, 217, 217, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x + xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x + xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(178, 204, 230, 0); buffer.EndVertex();
buffer.Triangle(0, 1, 3);
buffer.Triangle(3, 1, 2);
buffer.VertexFloat(x - xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y0); buffer.VertexByte(255, 255, 255, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z + xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y0); buffer.VertexByte(255, 255, 255, 0); buffer.EndVertex();
buffer.VertexFloat(x + xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X1, textureEntry.Y1); buffer.VertexByte(255, 255, 255, 0); buffer.EndVertex();
buffer.VertexFloat(x - xRadius, y + height, z - xRadius); buffer.VertexUInt16(textureEntry.X0, textureEntry.Y1); buffer.VertexByte(255, 255, 255, 0); buffer.EndVertex();
}