void RegisterTexture(BspTexture t)
{
if (t == null)
return;
if (textureIndices.ContainsKey(t))
return;
textureIndices[t] = 0;
string subfolder = "../textures/";
//t.Name = t.Name;
foreach (var c in Path.GetInvalidFileNameChars())
t.Name = t.Name.Replace(c, '_');
Bitmap bmp = null;
if (t is BspEmbeddedTexture)
{
var embeddedTex = (BspEmbeddedTexture)t;
if (embeddedTex.mipMaps != null && embeddedTex.mipMaps.Length > 0)
bmp = embeddedTex.mipMaps[0];
}
group.AddRes(new CIwTexture() { FilePath = subfolder + t.Name + ".png", Bitmap = bmp });
}
private void UpdateLightmap(BspTexture result, Atlas atlas)
{
foreach (var geo in allClusters)
{
Size dstSize = new Size(atlas.Bitmap.Width, atlas.Bitmap.Height);
for (int i = 0; i < geo.Faces.Count; ++i)
{
var f = geo.Faces[i];
if (f.Lightmap != null)
{
if (f.Lightmap.Equals(result))
continue;
var item = atlas.GetItem(((BspEmbeddedTexture)f.Lightmap).mipMaps[0]);
var ff = new BspGeometryFace() { Texture = f.Texture, Lightmap = result };
ff.Vertex0 = CorrectLightmapCoords(f.Vertex0, dstSize, item);
ff.Vertex1 = CorrectLightmapCoords(f.Vertex1, dstSize, item);
ff.Vertex2 = CorrectLightmapCoords(f.Vertex2, dstSize, item);
geo.Faces[i] = ff;
}
}
}
}
//private Cb4aCollisionMeshSoupFaceEdge BuildBspCollisionFaceSoupFaceEdge(BspCollisionFaceSoupFaceEdge e)
//{
// return new Cb4aCollisionMeshSoupFaceEdge() { Normal = GetVec3Fixed(e.Normal), Distance = (int)e.Distance * AirplaySDKMath.IW_GEOM_ONE };
//}
private void BuildLightmapAtlas(BspDocument bsp)
{
Dictionary<Bitmap, bool> lightmaps = new Dictionary<Bitmap, bool>();
CollectAllLightmaps(lightmaps);
//TODO: Make multiple atlases 128x128 istead one huge atlas. The reason is that there is only 4096 steps in UV coordinate!
Atlas atlas = new Atlas();
foreach (var l in lightmaps.Keys)
{
atlas.Add(l);
}
commonLightmap = new BspEmbeddedTexture() { Name = bsp.Name + "_lightmap", mipMaps = new Bitmap[] { atlas.Bitmap } };
UpdateLightmap(commonLightmap, atlas);
//
// Bitmap Lightmap = new Bitmap(128,128);
// using (var g = Graphics.FromImage(Lightmap))
// {
// g.Clear(Color.Red);
// }
// BspEmbeddedTexture lm = new BspEmbeddedTexture() { Name = "lightmap", mipMaps = new Bitmap[1] { Lightmap } };
// foreach (var l in leaves)
// {
// if (l.Geometry != null)
// foreach (var f in l.Geometry.Faces)
// if (f.Lightmap != null)
// f.Lightmap = lm;
// }
}
