//qpic_t *Draw_PicFromWad (char *name); public static BasePicture FromWad(BaseDevice device, Wad wad, string name, string filter = "GL_LINEAR_MIPMAP_NEAREST") { if (BasePicture.PicturePool.ContainsKey(name)) { return(BasePicture.PicturePool[name]); } var offset = wad.GetLumpNameOffset(name); var ptr = new IntPtr(wad.DataPointer.ToInt64( ) + offset); var header = ( WadPicHeader )Marshal.PtrToStructure(ptr, typeof(WadPicHeader)); offset += Marshal.SizeOf(typeof(WadPicHeader)); return(BasePicture.FromBuffer(device, new(wad.Data, offset), header.width, header.height, name, filter)); }