public static H2OInformation Read(Stream s)
{
var r = new BinaryReader(s);
var ret = new H2OInformation
{
LiquidType = r.ReadUInt16(),
Flags = r.ReadUInt16(),
HeightLevel1 = r.ReadSingle(),
HeightLevel2 = r.ReadSingle(),
OffsetX = r.ReadByte(),
OffsetY = r.ReadByte(),
Width = r.ReadByte(),
Height = r.ReadByte(),
OffsetMask2 = r.ReadUInt32(),
OffsetHeightmap = r.ReadUInt32()
};
return(ret);
}
public static H2OInformation Read(Stream s)
{
var r = new BinaryReader(s);
var ret = new H2OInformation
{
LiquidType = r.ReadUInt16(),
Flags = r.ReadUInt16(),
HeightLevel1 = r.ReadSingle(),
HeightLevel2 = r.ReadSingle(),
OffsetX = r.ReadByte(),
OffsetY = r.ReadByte(),
Width = r.ReadByte(),
Height = r.ReadByte(),
OffsetMask2 = r.ReadUInt32(),
OffsetHeightmap = r.ReadUInt32()
};
return ret;
}
private void HandleNewLiquid()
{
var chunk = Source.Data.GetChunkByName("MH2O");
if (chunk == null)
{
return;
}
Vertices = new List <Vector3>(1000);
Triangles = new List <Triangle <uint> >(1000);
var stream = chunk.GetStream();
var header = new H2OHeader[256];
MCNKData = new MCNKLiquidData[256];
for (int i = 0; i < header.Length; i++)
{
header[i] = H2OHeader.Read(stream);
}
for (int i = 0; i < header.Length; i++)
{
var h = header[i];
if (h.LayerCount == 0)
{
continue;
}
stream.Seek(chunk.Offset + h.OffsetInformation, SeekOrigin.Begin);
var information = H2OInformation.Read(stream);
#region Get RenderMask and set heights
var heights = new float[9, 9];
H2ORenderMask renderMask;
if (information.LiquidType != 2)
{
stream.Seek(chunk.Offset + h.OffsetRender, SeekOrigin.Begin);
renderMask = H2ORenderMask.Read(stream);
if ((renderMask.Mask.All(b => b == 0) || (information.Width == 8 && information.Height == 8)) && information.OffsetMask2 != 0)
{
stream.Seek(chunk.Offset + information.OffsetMask2, SeekOrigin.Begin);
var altMask = new byte[(int)Math.Ceiling(information.Width * information.Height / 8.0f)];
stream.Read(altMask, 0, altMask.Length);
for (int mi = 0; mi < altMask.Length; mi++)
{
renderMask.Mask[mi + information.OffsetY] |= altMask[mi];
}
}
stream.Seek(chunk.Offset + information.OffsetHeightmap, SeekOrigin.Begin);
var reader = new BinaryReader(stream);
for (int y = information.OffsetY; y < (information.OffsetY + information.Height); y++)
{
for (int x = information.OffsetX; x < (information.OffsetX + information.Width); x++)
{
heights[x, y] = reader.ReadSingle();
}
}
}
else
{
// ocean
renderMask = new H2ORenderMask
{
Mask = new byte[] { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }
};
for (int y = 0; y < 9; y++)
{
for (int x = 0; x < 9; x++)
{
heights[x, y] = information.HeightLevel1;
}
}
}
#endregion
MCNKData[i] = new MCNKLiquidData {
Heights = heights, Mask = renderMask
};
#region Create Vertices + Triangles
for (int y = information.OffsetY; y < (information.OffsetY + information.Height); y++)
{
for (int x = information.OffsetX; x < (information.OffsetX + information.Width); x++)
{
if (!renderMask.ShouldRender(x, y))
{
continue;
}
var mapChunk = Source.MapChunks[i];
var location = mapChunk.Header.Position;
location.Y = location.Y - (x * Constant.UnitSize);
location.X = location.X - (y * Constant.UnitSize);
location.Z = heights[x, y];
var vertOffset = (uint)Vertices.Count;
Vertices.Add(location);
Vertices.Add(new Vector3(location.X - Constant.UnitSize, location.Y, location.Z));
Vertices.Add(new Vector3(location.X, location.Y - Constant.UnitSize, location.Z));
Vertices.Add(new Vector3(location.X - Constant.UnitSize, location.Y - Constant.UnitSize, location.Z));
Triangles.Add(new Triangle <uint>(TriangleType.Water, vertOffset, vertOffset + 2, vertOffset + 1));
Triangles.Add(new Triangle <uint>(TriangleType.Water, vertOffset + 2, vertOffset + 3, vertOffset + 1));
}
}
#endregion
}
}