// This calculates the sector brightness level
public int CalculateBrightness(int level)
{
float flevel = level;
// Simulat doom light levels
if ((level < 192) && General.Map.Config.DoomLightLevels)
{
flevel = (192.0f - (float)(192 - level) * 1.5f);
}
byte blevel = (byte)General.Clamp((int)flevel, 0, 255);
PixelColor c = new PixelColor(255, blevel, blevel, blevel);
return(c.ToInt());
}
// This updates the text if needed
internal void Update(float translatex, float translatey, float scalex, float scaley)
{
RectangleF absview;
float beginx = 0;
float beginy = 0;
byte[] textbytes;
DataStream stream;
// Check if transformation changed and needs to be updated
if (transformcoords)
{
if ((translatex != lasttranslatex) ||
(translatey != lasttranslatey) ||
(scalex != lastscalex) ||
(scaley != lastscaley))
{
updateneeded = true;
}
}
// Update if needed
if (updateneeded)
{
// Only build when there are any vertices
if (text.Length > 0)
{
// Do we have to make a new buffer?
if ((textbuffer == null) || (text.Length > capacity))
{
// Dispose previous
if (textbuffer != null)
{
textbuffer.Dispose();
}
// Determine new capacity
if (capacity < text.Length)
{
capacity = text.Length;
}
// Create the buffer
textbuffer = new VertexBuffer(General.Map.Graphics.Device,
capacity * 12 * FlatVertex.Stride,
Usage.Dynamic | Usage.WriteOnly,
VertexFormat.None, Pool.Default);
}
// Transform?
if (transformcoords)
{
// Calculate absolute coordinates
Vector2D lt = new Vector2D(rect.Left, rect.Top);
Vector2D rb = new Vector2D(rect.Right, rect.Bottom);
lt = lt.GetTransformed(translatex, translatey, scalex, scaley);
rb = rb.GetTransformed(translatex, translatey, scalex, scaley);
absview = new RectangleF(lt.x, lt.y, rb.x - lt.x, rb.y - lt.y);
}
else
{
// Fixed coordinates
absview = rect;
}
// Calculate text dimensions
size = General.Map.Graphics.Font.GetTextSize(text, scale);
// Align the text horizontally
switch (alignx)
{
case TextAlignmentX.Left: beginx = absview.X; break;
case TextAlignmentX.Center: beginx = absview.X + (absview.Width - size.Width) * 0.5f; break;
case TextAlignmentX.Right: beginx = absview.X + absview.Width - size.Width; break;
}
// Align the text vertically
switch (aligny)
{
case TextAlignmentY.Top: beginy = absview.Y; break;
case TextAlignmentY.Middle: beginy = absview.Y + (absview.Height - size.Height) * 0.5f; break;
case TextAlignmentY.Bottom: beginy = absview.Y + absview.Height - size.Height; break;
}
// Get the ASCII bytes for the text
textbytes = Encoding.ASCII.GetBytes(text);
// Lock the buffer
stream = textbuffer.Lock(0, capacity * 12 * FlatVertex.Stride,
LockFlags.Discard | LockFlags.NoSystemLock);
// Go for all chars in text to create the backgrounds
float textx = beginx;
foreach (byte b in textbytes)
{
General.Map.Graphics.Font.SetupVertices(stream, b, scale, backcolor.ToInt(),
ref textx, beginy, size.Height, 0.5f);
}
// Go for all chars in text to create the text
textx = beginx;
foreach (byte b in textbytes)
{
General.Map.Graphics.Font.SetupVertices(stream, b, scale, color.ToInt(),
ref textx, beginy, size.Height, 0.0f);
}
// Done filling the vertex buffer
textbuffer.Unlock();
stream.Dispose();
// Calculate number of triangles
numfaces = text.Length * 4;
}
else
{
// No faces in polygon
numfaces = 0;
size = new SizeF(0f, 0f);
}
// Text updated
updateneeded = false;
}
}
