public bool Match(int x, int y, out ITileTagEntrySelection result)
{
var idx = map[x, y].TerrainIdx;
result = selections[idx];
return(result != null);
}
public bool Match(int x, int y, out ITileTagEntrySelection result)
{
var state = map[x, y];
result = states[(int)state];
return(true);
}
public ICellMatcher CreateMatcher(int layerIndex, RenderLayerDefinition rd)
{
// In cell matching with multiple targets, the matcher must include a self-match.
var matchSpecs = new List <string>();
if (rd.MatchAs != null)
{
matchSpecs.Add(rd.MatchAs);
}
matchSpecs.AddRange(rd.MatchWith);
// tagname -> List of matching ITerrains
var otherGraphicTags = ComputeMatchingTerrains(layerIndex, matchSpecs);
var factory = TileTagEntrySelectionFactory.FromTagsAsSingleCharKey(otherGraphicTags.Keys.ToArray());
var rules = Context.GameData.Rules;
var terrainsByKey = new ITileTagEntrySelection[rules.TerrainTypes.Count];
foreach (var pair in otherGraphicTags)
{
var key = factory.Lookup(pair.Key);
foreach (var terrain in pair.Value)
{
var b = rules.TerrainTypes.IndexOf(terrain);
terrainsByKey[b] = key;
}
}
var map = Context.GameData.Terrain;
return(new LookupMatcher(map, factory, terrainsByKey));
}
public CellMapTileSelectorKey(ITileTagEntrySelection north,
ITileTagEntrySelection east,
ITileTagEntrySelection south,
ITileTagEntrySelection west)
{
MatchA = north ?? throw new ArgumentNullException(nameof(north));
MatchB = east ?? throw new ArgumentNullException(nameof(east));
MatchC = south ?? throw new ArgumentNullException(nameof(south));
MatchD = west ?? throw new ArgumentNullException(nameof(west));
}
public static ITileTagEntrySelection <TSelector>[] ToSelectionArray <TSelector>(this ITileTagEntrySelectionFactory <TSelector> factory)
{
var retval = new ITileTagEntrySelection <TSelector> [factory.Count];
for (var i = 0; i < retval.Length; i++)
{
retval[i] = factory[i];
}
return(retval);
}
public bool Match(int x, int y, out ITileTagEntrySelection selection)
{
foreach (var pair in matchers)
{
if (pair.Value(x, y))
{
selection = pair.Key;
return(true);
}
}
selection = default;
return(false);
}
public static int LinearIndexOf(ITileTagEntrySelection a,
ITileTagEntrySelection b,
ITileTagEntrySelection c,
ITileTagEntrySelection d)
{
int card = 1;
int index = 0;
index += a.Index;
card *= Math.Max(1, a.Cardinality);
index += b.Index * card;
card *= Math.Max(1, b.Cardinality);
index += c.Index * card;
card *= Math.Max(1, c.Cardinality);
index += d.Index * card;
return(index);
}
