/// <summary>
/// Creates and returns a dictionary that maps a TileMap's StaticBody2D's RID to said TileMap's walls or ledges.
/// </summary>
/// <param name="tileMaps">List of TileMaps.</param>
/// <param name="tileMapToSB2Ds">Map of TileMap to its SB2D, whether its origin was a wall or ledge.</param>
/// <param name="perimData">Data of all perimeters of all TileMaps.</param>
/// <param name="ledgeData">Data of all ledges of all TileMaps.</param>
/// <param name="option">Whether this function is being used to construct segments for walls or ledges.</param>
/// <returns>A dictionary that maps a TileMap's SB2D RID to said TileMap's walls.</returns>
public static Dictionary<RID, List<SegmentShape2D>> ConstructSB2DSegments(this TileMapList tileMaps,
Dictionary<TileMap, RID> tileMapToSB2Ds,
PerimeterData perimData,
LedgeData ledgeData,
StaticBodyOrigin option)
{
if (tileMaps is null) throw new ArgumentNullException(nameof(tileMaps));
if (tileMapToSB2Ds is null) throw new ArgumentNullException(nameof(tileMapToSB2Ds));
if (perimData is null) throw new ArgumentNullException(nameof(perimData));
if (ledgeData is null) throw new ArgumentNullException(nameof(ledgeData));
var sb2dToSegments = new Dictionary<RID, List<SegmentShape2D>>();
foreach (TileMap tileMap in tileMaps.Values)
{
RID wall = tileMapToSB2Ds[tileMap];
List<SegmentShape2D> segments = (option == StaticBodyOrigin.Wall) ?
_GetWallSegments(tileMaps, tileMap, perimData) :
_GetLedgeSegments(tileMaps, tileMap, ledgeData);
sb2dToSegments.Add(wall, segments);
foreach (SegmentShape2D segment in segments)
{
Physics2DServer.BodyAddShape(wall, segment.GetRid());
}
}
return sb2dToSegments;
}
LedgeData ledgeData) BuildTileNodes(IEnumerable <Node> worldChildren)
{
if (worldChildren is null)
{
throw new ArgumentNullException(nameof(worldChildren));
}
TileMapList tileMaps = _FillTilemapsArray(worldChildren);
var perimData = new PerimeterData(tileMaps);
var ledgeData = new LedgeData(perimData, tileMaps);
return(tileMaps, perimData, ledgeData);
}
ConstructFloorPartitions(this TileMapList tileMaps, Dictionary <TileMap, RID> tileMapToFloorArea2Ds,
PerimeterData perimData)
{
if (tileMaps is null)
{
throw new ArgumentNullException(nameof(tileMaps));
}
if (tileMapToFloorArea2Ds is null)
{
throw new ArgumentNullException(nameof(tileMapToFloorArea2Ds));
}
if (perimData is null)
{
throw new ArgumentNullException(nameof(perimData));
}
var floorArea2DToPolygons = new Dictionary <RID, List <ConvexPolygonShape2D> >();
foreach (TileMap tileMap in tileMaps.Values)
{
RID area2dRID = tileMapToFloorArea2Ds[tileMap];
floorArea2DToPolygons[area2dRID] = new List <ConvexPolygonShape2D>();
Physics2DServer.AreaSetCollisionLayer(area2dRID, LayersFuncs.GetLayersValue(Terrain));
Physics2DServer.AreaSetCollisionMask(area2dRID, LayersFuncs.GetLayersValue(PlayerEntity, NpcEntity));
int maxTileGroups = perimData.GetMaxTileGroup(tileMap);
for (int tileGroup = 0; tileGroup < maxTileGroups; tileGroup++)
{
int maxHoleGroups = perimData.GetMaxHoleGroup(tileMap, tileGroup);
var allPerims = new List <Vector2> [maxHoleGroups];
for (int holeGroup = 0; holeGroup < maxHoleGroups; holeGroup++)
{ //put all perims (outer and hole) from one tile group into a single array of lists (gods help me) for partitioning
EdgeCollection <TileEdge> edgeColl = perimData.GetEdgeCollection(tileMap, tileGroup, holeGroup);
allPerims[holeGroup] = new List <Vector2>(edgeColl.GetSimplifiedPerim());
}
List <ConvexPolygonShape2D> partitionedRectangles = _PartitionPolygonToRectangles(allPerims);
foreach (ConvexPolygonShape2D shape in partitionedRectangles)
{
Physics2DServer.AreaAddShape(area2dRID, shape.GetRid());
GD.PrintS("added shape " + shape.GetRid().GetId() + " to area: " + area2dRID.GetId());
}
floorArea2DToPolygons[area2dRID].AddRange(partitionedRectangles);
}
}
return(floorArea2DToPolygons);
}
/// <summary>
/// Should be called whenever loaded world changes.
/// Resets all wall and ledge physics bodies and prepares new ones to be filled by TileController.
/// </summary>
/// <param name="tileMaps">List of TileMaps which are guaranteed to have a unique Z index.</param>
/// <param name="perimData">Data of all perimeters of all TileMaps.</param>
/// <param name="ledgeData">Data of all ledges of all TileMaps.</param>
/// <param name="worldSpace">Current world space.</param>
public void LoadWorld(TileMapList tileMaps, PerimeterData perimData, LedgeData ledgeData, RID worldSpace)
{
if (tileMaps == null)
{
throw new ArgumentNullException(nameof(tileMaps), "Attempted to load world with no tilemaps.");
}
this._tileMapToFloorArea2Ds = tileMaps.ConstructTileMapFloorMap(worldSpace);
this._tileMapToWallSB2Ds = tileMaps.ConstructTileMapCollisionMap(worldSpace);
this._tileMapToLedgeSB2Ds = tileMaps.ConstructTileMapCollisionMap(worldSpace);
this._floorArea2DToPolygons = tileMaps.ConstructFloorPartitions(this._tileMapToFloorArea2Ds, perimData);
this._wallSB2DToSegments = tileMaps.ConstructSB2DSegments(this._tileMapToWallSB2Ds, perimData, ledgeData,
CollisionConstructor.StaticBodyOrigin.Wall);
this._ledgeSB2DToSegments = tileMaps.ConstructSB2DSegments(this._tileMapToLedgeSB2Ds, perimData, ledgeData,
CollisionConstructor.StaticBodyOrigin.Ledge);
this._toEntityHub.Publish(new FloorsConstructedMessage(this, this._tileMapToFloorArea2Ds));
foreach (TileMap tileMap in tileMaps.Values)
{
GD.PrintS("TileMapToFloorArea2Ds RID for tilemap with zIndex " + tileMap.ZIndex + ": " + this._tileMapToFloorArea2Ds[tileMap].GetId());
//GD.PrintS("TileMapToWallSB2Ds RID for tilemap with zIndex " + tileMap.ZIndex + ": " + this.tileMapToWallSB2Ds[tileMap].GetId());
//GD.PrintS("TileMapToLedgeSB2Ds RID for tilemap with zIndex " + tileMap.ZIndex + ": " + this.tileMapToLedgeSB2Ds[tileMap].GetId());
RID floorRID = this._tileMapToFloorArea2Ds[tileMap];
RID wallRID = this._tileMapToWallSB2Ds[tileMap];
RID ledgeRID = this._tileMapToLedgeSB2Ds[tileMap];
GD.PrintS("floorArea2DToPolygons count: " + this._floorArea2DToPolygons[floorRID].Count);
GD.PrintS("wallSB2DToSegments count: " + this._wallSB2DToSegments[wallRID].Count);
GD.PrintS("ledgeSB2DToSegments count: " + this._ledgeSB2DToSegments[ledgeRID].Count);
this._area2DMonitors[floorRID.GetId()] = new Area2DMonitor(floorRID, tileMap.ZIndex, this._floorArea2DToPolygons[floorRID], this._toEntityHub);
Physics2DServer.AreaSetMonitorCallback(floorRID, this._area2DMonitors[floorRID.GetId()], nameof(Area2DMonitor.OnAreaCallback));
}
this._toEntityHub.Publish(new AreaMonitorsSetupMessage(this));
GD.PrintS("published areamonitor msg");
}
///////////////////////////
///////////////////////////
////PRIVATE FUNCS BELOW////
///////////////////////////
///////////////////////////
/// <summary>
/// For a given TileMap, gets its walls as a list of SegmentShape2Ds by getting perimData's EdgeCollections for the
/// TileMap directly above the given TileMap.
/// </summary>
/// <param name="tileMaps">TileMapList of TileMaps.</param>
/// <param name="thisTileMap">The TileMap that this function is getting walls for.</param>
/// <param name="perimData">Data of all perimeters of all TileMaps in the currently loaded world.</param>
/// <returns>A List of SegmentShape2Ds that contain every segment that make up every wall in thisTileMap.</returns>
private static List<SegmentShape2D> _GetWallSegments(TileMapList tileMaps, TileMap thisTileMap, PerimeterData perimData)
{
var allSegments = new List<SegmentShape2D>();
if (thisTileMap == tileMaps.Last()) return allSegments; //there are never walls on the highest TileMap
int nextIndex = thisTileMap.ZIndex + 1;
TileMap nextTileMap = tileMaps[nextIndex];
int maxTileGroups = perimData.GetMaxTileGroup(nextTileMap);
for (int tileGroup = 0; tileGroup < maxTileGroups; tileGroup++)
{
int maxHoleGroups = perimData.GetMaxHoleGroup(nextTileMap, tileGroup);
for (int holeGroup = 0; holeGroup < maxHoleGroups; holeGroup++)
{
EdgeCollection<TileEdge> wallColl = perimData.GetEdgeCollection(nextTileMap, tileGroup, holeGroup);
IEnumerable<SegmentShape2D> thisWallSegments = _ShiftSegmentsDown(_EdgeCollToSegments(wallColl));
allSegments.AddRange(thisWallSegments);
}
}
return allSegments;
}
public LedgeData(PerimeterData perimData, TileMapList tileMaps)
{
(this._ledgeCollMap, this._ledgeGroupMap, this._holeGroupMap, this._tileGroupMap) = tileMaps.BuildLedges(perimData);
(this._ledgeCollMap, this._ledgeGroupMap) = tileMaps.SuperimposeLedges(this._ledgeCollMap, this._ledgeGroupMap,
this._holeGroupMap, this._tileGroupMap);
}
Dictionary <HoleGroupKey, int>, Dictionary <TileGroupKey, int>) BuildLedges(this TileMapList tileMaps,
PerimeterData perimData)
{
if (tileMaps is null)
{
throw new ArgumentNullException(nameof(tileMaps));
}
if (perimData is null)
{
throw new ArgumentNullException(nameof(perimData));
}
var ledgeCollMap = new Dictionary <LedgeCollKey, EdgeCollection <TileEdge> >();
var ledgeGroupMap = new Dictionary <LedgeGroupKey, int>();
var holeGroupMap = new Dictionary <HoleGroupKey, int>();
var tileGroupMap = new Dictionary <TileGroupKey, int>();
foreach (TileMap tileMap in tileMaps.Values)
{
int maxTileGroups = perimData.GetMaxTileGroup(tileMap);
tileGroupMap.Add(new TileGroupKey(tileMap), maxTileGroups);
for (int tileGroup = 0; tileGroup < maxTileGroups; tileGroup++)
{
int maxHoleGroups = perimData.GetMaxHoleGroup(tileMap, tileGroup);
holeGroupMap.Add(new HoleGroupKey(tileMap, tileGroup), maxHoleGroups);
for (int holeGroup = 0; holeGroup < maxHoleGroups; holeGroup++)
{
EdgeCollection <TileEdge> thisPerim = perimData.GetEdgeCollection(tileMap, tileGroup, holeGroup);
(ledgeCollMap, ledgeGroupMap) = _FillLedges(ledgeCollMap, ledgeGroupMap, tileMaps,
tileMap, thisPerim, tileGroup, holeGroup);
}
}
}
return(ledgeCollMap, ledgeGroupMap, holeGroupMap, tileGroupMap);
}
