/// <summary>
/// Processes a collision between photon and BSP.
/// </summary>
/// <param name="bsp">BSP to process.</param>
/// <returns>If intersection occured.</returns>
public bool ProcessCollision(List <IBsp> bsp, ITextureMapCollection textureCollection)
{
RadiosityIntersection radiosityIntersection;
for (int i = 0; i < bsp.Count; i++)
{
if ((bool)(radiosityIntersection = bsp[i].RadiosityIntersect(this.m_position, this.m_direction)))
{
if (radiosityIntersection.LightmapIndex >= 0)
{
if (!radiosityIntersection.WrongSide)
{
// Set the pixel in the texture collection to the value of the light colour.
textureCollection[radiosityIntersection.LightmapIndex].SetPixel(radiosityIntersection.U, radiosityIntersection.V, this.m_colour.ToArray(), textureCollection.Radius);
}
}
// Update current position to point of intersection with BSP.
this.m_position = radiosityIntersection.Position;
this.Color = new RealColor(radiosityIntersection.TextureSampleColor);
this.Direction = radiosityIntersection.NewDirection;
return(true);
}
}
return(false);
}
private void LoadContentScript(XElement element)
{
var dataType = element.Attribute("type").Value;
ITextureMapCollection data = dataType switch
{
"material" => new Material(),
"envmap" => new EnvMap(),
_ => null
};
if (data == null)
{
return;
}
string dataName = element.Attribute("name").Value;
var mapElements = element.Elements("map");
string outputPath = element.Element("output").Attribute("path").Value;
if (!Path.IsPathRooted(outputPath))
{
outputPath = Path.Combine(ScriptDirectory, outputPath);
}
foreach (var map in mapElements)
{
string name = map.Attribute("name").Value;
string path = map.Attribute("path").Value;
if (!Path.IsPathRooted(path))
{
path = Path.Combine(ScriptDirectory, path);
}
int mipLevels = 1;
if (map.Attribute("mips") != null)
{
mipLevels = int.Parse(map.Attribute("mips").Value);
}
List <Image <Rgba64> > imgData = new List <Image <Rgba64> >();
var importedImage = Image.Load <Rgba64>(path);
imgData.Add(importedImage);
for (int i = 1; i < mipLevels; i++)
{
string directory = Path.GetDirectoryName(path);
string flname = Path.GetFileNameWithoutExtension(path) + $"_{i}" + Path.GetExtension(path);
imgData.Add(Image.Load(Path.Combine(directory, flname)).CloneAs <Rgba64>());
}
data.AddMap(name, new TextureMap()
{
Name = name,
Path = path,
Data = imgData
});
}
Tasks.Add(new BuildScriptTask()
{
Name = dataName,
OutputFileName = outputPath,
Source = data
});
}