private static List <Vertex> ReadVerts(bsp_header_lump_t lump, BinaryStreamReader src)
{
int count = (int)lump.length / 44;
List <Vertex> elements = new List <Vertex>();
src.Seek(lump.offset);
for (int i = 0; i < count; ++i)
{
elements.Add(new Vertex()
{
pos = new Vector3(src.ReadFloat(), src.ReadFloat(), src.ReadFloat()),
texCoord = new Vector2(src.ReadFloat(), src.ReadFloat()),
lmCoord = new Vector2(src.ReadFloat(), src.ReadFloat()),
lmNewCoord = new Vector2(0.0f, 0.0f),
normal = new Vector3(src.ReadFloat(), src.ReadFloat(), src.ReadFloat()),
color = BspHelpers.brightnessAdjustVertex(BspHelpers.colorToVec(src.ReadUInt32()), 4.0f) // ReadUInt64
});
}
return(elements);
}
/// <summary>
/// Read all lightmaps
/// </summary>
private static List <lightmap_rect_t> ReadLightmaps(bsp_header_lump_t lump, BinaryStreamReader src)
{
int lightmapSize = 128 * 128;
int count = (int)lump.length / (lightmapSize * 3);
var gridSize = 2;
while (gridSize * gridSize < count)
{
gridSize *= 2;
}
var textureSize = gridSize * 128;
int xOffset = 0;
int yOffset = 0;
List <lightmap_t> lightmaps = new List <lightmap_t>();
List <lightmap_rect_t> lightmapRects = new List <lightmap_rect_t>();
Vector3 rgb = Vector3.Zero;
src.Seek(lump.offset);
for (int i = 0; i < count; ++i)
{
byte[] elements = new byte[lightmapSize * 4];
for (int j = 0; j < lightmapSize * 4; j += 4)
{
rgb.X = src.ReadUByte();
rgb.Y = src.ReadUByte();
rgb.Z = src.ReadUByte();
rgb = BspHelpers.brightnessAdjust(rgb, 4.0f);
elements[j] = (byte)rgb.X;
elements[j + 1] = (byte)rgb.Y;
elements[j + 2] = (byte)rgb.Z;
elements[j + 3] = 255;
}
lightmap_t l = new lightmap_t();
l.x = xOffset;
l.y = yOffset;
l.width = 128;
l.height = 128;
l.bytes = elements;
lightmaps.Add(l);
lightmap_rect_t r = new lightmap_rect_t();
r.x = (float)xOffset / (float)textureSize;
r.y = (float)yOffset / (float)textureSize;
r.xScale = 128f / (float)textureSize;
r.yScale = 128f / (float)textureSize;
lightmapRects.Add(r);
xOffset += 128;
if (xOffset >= textureSize)
{
yOffset += 128;
xOffset = 0;
}
}
// Send the lightmap data back to the render thread
q3bsp.onMessage(new MessageParams()
{
type = "lightmap",
size = textureSize,
lightmaps = lightmaps
});
return(lightmapRects);
}
