Add constructor to LODTerrain to copy another LODTerrain using any given format.

This commit is contained in:
wfowler
2021-04-18 23:48:35 -06:00
parent cf8fa88ec3
commit 1eeaafe083

View File

@@ -365,6 +365,50 @@ namespace LibBSP {
Parent = parent;
}
/// <summary>
/// Creates a new <see cref="LODTerrain"/> by copying the fields in <paramref name="source"/>, using
/// <paramref name="parent"/> to get <see cref="LibBSP.MapType"/> and <see cref="LumpInfo.version"/>
/// to use when creating the new <see cref="LODTerrain"/>.
/// If the <paramref name="parent"/>'s <see cref="BSP"/>'s <see cref="LibBSP.MapType"/> is different from
/// the one from <paramref name="source"/>, it does not matter, because fields are copied by name.
/// </summary>
/// <param name="source">The <see cref="LODTerrain"/> to copy.</param>
/// <param name="parent">
/// The <see cref="ILump"/> to use as the <see cref="Parent"/> of the new <see cref="LODTerrain"/>.
/// Use <c>null</c> to use the <paramref name="source"/>'s <see cref="Parent"/> instead.
/// </param>
public LODTerrain(LODTerrain source, ILump parent) {
Parent = parent;
if (parent != null && parent.Bsp != null) {
if (source.Parent != null && source.Parent.Bsp != null && source.Parent.Bsp.version == parent.Bsp.version && source.LumpVersion == parent.LumpInfo.version) {
Data = new byte[source.Data.Length];
Array.Copy(source.Data, Data, source.Data.Length);
return;
} else {
Data = new byte[GetStructLength(parent.Bsp.version, parent.LumpInfo.version)];
}
} else {
if (source.Parent != null && source.Parent.Bsp != null) {
Data = new byte[GetStructLength(source.Parent.Bsp.version, source.Parent.LumpInfo.version)];
} else {
Data = new byte[GetStructLength(MapType.Undefined, 0)];
}
}
Flags = source.Flags;
Scale = source.Scale;
LightmapCoordinates = source.LightmapCoordinates;
UVs = source.UVs;
X = source.X;
Y = source.Y;
BaseZ = source.BaseZ;
TextureIndex = source.TextureIndex;
Lightmap = source.Lightmap;
VertexFlags = source.VertexFlags;
Heightmap = source.Heightmap;
}
/// <summary>
/// Factory method to parse a <c>byte</c> array into a <see cref="Lump{LODTerrain}"/>.
/// </summary>