RGBExp32[] ReadHDRLighting()
{
br.BaseStream.Seek(header.lumps [SourceBSPStructs.LUMP_LIGHTING_HDR].fileofs, SeekOrigin.Begin);
int lmapCount = header.lumps[SourceBSPStructs.LUMP_LIGHTING_HDR].filelen / 4;
Debug.Log("HDR Lightmap lump size: " + header.lumps[SourceBSPStructs.LUMP_LIGHTING_HDR].filelen);
if (lmapCount == 0)
{
hasLightmaps = false;
Debug.Log("Map haven't hdr lightmaps");
return(ReadHDRLighting());
}
hasLightmaps = true;
RGBExp32[] temp = new RGBExp32[lmapCount];
for (int i = 0; i < lmapCount; i++)
{
RGBExp32 col = new RGBExp32();
col.r = br.ReadByte();
col.g = br.ReadByte();
col.b = br.ReadByte();
col.exp = br.ReadSByte();
temp[i] = col;
}
return(temp);
}
Texture2D CreateLightmapTex(face f)
{
int rowColors = f.lightMapW;
Texture2D tex = new Texture2D(f.lightMapW, f.lightMapH, TextureFormat.RGB24, false, true);
//tex.filterMode = FilterMode.Point;
//Color32[] colors32 = new Color32[(f.lightMapW) * (f.lightMapH)];
Color[] colors = new Color[(f.lightMapW) * (f.lightMapH)];
int Offset = map.facesLump [f.index].lightofs / 4;
if (map.facesLump [f.index].lightofs < 0 | map.lightingLump.Length == 0)
{
return(null);
}
int o = 0;
int j = 0;
for (int y = 0; y < f.lightMapH; y++)
{
o = (rowColors * (y));
for (int x = 0; x < f.lightMapW; x++)
{
RGBExp32 col = map.lightingLump[Offset + j++];
/*colors32[o] = new Color32(TexLightToLinearB(col.r, col.exp),
* TexLightToLinearB(col.g, col.exp),
* TexLightToLinearB(col.b, col.exp),
* 255);*/
float exp = (float)Mathf.Pow(2, col.exp);
colors[o] = new Color(TexLightToLinearF(col.r, exp),
TexLightToLinearF(col.g, exp),
TexLightToLinearF(col.b, exp),
1f);
o++;
}
}
//=======fill borders================
/*
* for(int y=0; y<f.lightMapH+1;y++)
* {
* o=rowColors * y;
* colors[o] = colors[o+1];
*
* o=(rowColors * (y+1))-1;
* colors[o] = colors[o-1];
* }
*
* int end=(f.lightMapW+2)*(f.lightMapH+2);
* for(int x=0; x<f.lightMapW+2;x++)
* {
* colors[x] = colors[x+rowColors];
* colors[(end-rowColors)+x] = colors[(end-(rowColors*2)+x)];
* }
*/
//=====================================
//tex.SetPixels32 (colors32);
tex.SetPixels(colors);
tex.Apply();
return(tex);
}