static void LoadLightGrids(BinaryReader br, Header header)
{
// HDR Ambient light may be in lump for itself
if (header.lumps[55].filelen > 0)
{
int nHDRAmbient = header.lumps[55].filelen / 24;
CompressedLightCube[] HDRCubes = new CompressedLightCube[nHDRAmbient];
br.BaseStream.Seek(header.lumps[55].fileofs, SeekOrigin.Begin);
for (int i = 0; i < nHDRAmbient; i++)
{
CompressedLightCube cube = new CompressedLightCube();
cube.Color = new Vector3[6];
for (int j = 0; j < 6; j++)
{
RGBExp color = new RGBExp();
color.r = br.ReadByte();
color.g = br.ReadByte();
color.b = br.ReadByte();
color.exp = br.ReadSByte();
float r = TexLightToLinear((int)color.r, color.exp) * 255;
float g = TexLightToLinear((int)color.g, color.exp) * 255;
float b = TexLightToLinear((int)color.b, color.exp) * 255;
float exp = 128 + (int)color.exp;
cube.Color[j] = new Vector3(r, g, b);
}
HDRCubes[i] = cube;
}
world.LightGrid = HDRCubes;
}
// LDR Ambient light may be in lump for itself
else if (header.lumps[56].filelen > 0)
{
int nLDRAmbient = header.lumps[56].filelen / 24;
CompressedLightCube[] LDRCubes = new CompressedLightCube[nLDRAmbient];
br.BaseStream.Seek(header.lumps[56].fileofs, SeekOrigin.Begin);
for (int i = 0; i < nLDRAmbient; i++)
{
CompressedLightCube cube = new CompressedLightCube();
cube.Color = new Vector3[6];
for (int j = 0; j < 6; j++)
{
RGBExp color = new RGBExp();
color.r = br.ReadByte();
color.g = br.ReadByte();
color.b = br.ReadByte();
color.exp = br.ReadSByte();
float r = TexLightToLinear((int)color.r, color.exp) * 255;
float g = TexLightToLinear((int)color.g, color.exp) * 255;
float b = TexLightToLinear((int)color.b, color.exp) * 255;
float exp = 128 + (int)color.exp;
cube.Color[j] = new Vector3(r, g, b);
}
LDRCubes[i] = cube;
}
world.LightGrid = LDRCubes;
}
}
public VertexPropInstance(Matrix matrix, CompressedLightCube light)
{
row1 = matrix.get_Rows(0);
row2 = matrix.get_Rows(1);
row3 = matrix.get_Rows(2);
Vector4 vec = matrix.get_Rows(3);
row1.W = vec.X;
row2.W = vec.Y;
row3.W = vec.Z;
cubex = light.Color[0];
cubex1 = light.Color[1];
cubey = light.Color[2];
cubey1 = light.Color[3];
cubez = light.Color[4];
cubez1 = light.Color[5];
}
