private MapCellInfo GetMapCellInfo(IMapInfo map, int cellX, int cellY, MPQDS1TileProps props, eRenderCellType cellType, byte orientation)
{
if (props.Prop1 == 0)
{
return(null);
}
if (!map.CellInfo.ContainsKey(cellType))
{
map.CellInfo[cellType] = new MapCellInfo[map.FileData.Width * map.FileData.Height];
}
var cellInfo = map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)];
if (cellInfo != null && (cellInfo.Ignore || !cellInfo.Tile.Animated))
{
return(cellInfo.Ignore ? null : cellInfo);
}
var mainIndex = (props.Prop3 >> 4) + ((props.Prop4 & 0x03) << 4);
var subIndex = props.Prop2;
if (orientation == 0)
{
// Floor or Shadow
if (cellType != eRenderCellType.Floor && cellType != eRenderCellType.Shadow)
{
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null);
}
}
else if (orientation == 10 || orientation == 11)
{
if (cellType != eRenderCellType.WallNormal)
{
// Special tile
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null);
}
}
else if (orientation == 14)
{
// Walls (objects?) with precedent shadows
if (cellType != eRenderCellType.WallNormal)
{
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null);
}
}
else if (orientation < 15)
{
// Upper walls
if (cellType != eRenderCellType.WallNormal)
{
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null);
}
}
else if (orientation == 15)
{
// Roof
if (cellType != eRenderCellType.Roof)
{
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null);
}
}
else
{
// Lower Walls
if (cellType != eRenderCellType.WallLower)
{
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null);
}
}
IEnumerable <MPQDT1Tile> tiles = Enumerable.Empty <MPQDT1Tile>();
tiles = map.FileData.LookupTable
.Where(x => x.MainIndex == mainIndex && x.SubIndex == subIndex && x.Orientation == orientation)
.Select(x => x.TileRef);
if (tiles == null || !tiles.Any())
{
log.Error($"Could not find tile [{mainIndex}:{subIndex}:{orientation}]!");
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null);
}
MPQDT1Tile tile = null;
if (tiles.First().Animated)
{
#if DEBUG
if (!tiles.All(x => x.Animated))
{
throw new OpenDiablo2Exception("Some tiles are animated and some aren't...");
}
#endif
var frameIndex = (int)Math.Floor(tiles.Count() * animationTime);
tile = tiles.ElementAt(frameIndex);
}
else
{
if (tiles.Any())
{
var totalRarity = tiles.Sum(q => q.RarityOrFrameIndex);
var random = new Random(Seed + cellX + (map.FileData.Width * cellY));
var x = random.Next(totalRarity);
var z = 0;
foreach (var t in tiles)
{
z += t.RarityOrFrameIndex;
if (x <= z)
{
tile = t;
break;
}
}
if (tile.Animated)
{
throw new OpenDiablo2Exception("Why are we randomly finding an animated tile? Something's wrong here.");
}
}
else
{
tile = tiles.First();
}
}
// This WILL happen to you
if (tile.Width == 0 || tile.Height == 0)
{
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null);
}
if (tile.BlockDataLength == 0)
{
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = new MapCellInfo {
Ignore = true
};
return(null); // Why is this a thing?
}
var mapCellInfo = mapDataLookup.FirstOrDefault(x => x.Tile.Id == tile.Id);
if (mapCellInfo == null)
{
mapCellInfo = renderWindow.CacheMapCell(tile, cellType);
mapDataLookup.Add(mapCellInfo);
}
map.CellInfo[cellType][cellX + (cellY * map.FileData.Width)] = mapCellInfo;
return(mapCellInfo);
}