/// <summary>
/// Set all walls and ledges that are not on the same z index as some entity to ignore it.
/// Passed from entity MessageHub subscription and is fired when EntityTracker detects that an entity has changed z index.
/// </summary>
/// <param name="msg"></param>
private void _HandleEntityChangedZIndex(EntityChangedZIndexMessage msg)
{
RID entityRID = msg.GetEntityRID();
int zIndex = msg.GetZIndex();
GD.PrintS("requested that entity with id: " + entityRID.GetId() + " be moved to collide with segments on z index: " + zIndex);
foreach (TileMap tileMap in this._tileMapToWallSB2Ds.Keys)
{
if (tileMap.ZIndex == zIndex)
{
Physics2DServer.BodyRemoveCollisionException(this._tileMapToWallSB2Ds[tileMap], entityRID);
}
else
{
Physics2DServer.BodyAddCollisionException(this._tileMapToWallSB2Ds[tileMap], entityRID);
}
}
foreach (TileMap tileMap in this._tileMapToLedgeSB2Ds.Keys)
{
if (tileMap.ZIndex == zIndex)
{
Physics2DServer.BodyRemoveCollisionException(this._tileMapToLedgeSB2Ds[tileMap], entityRID);
GD.PrintS("removed collision with sb2d with id: " + this._tileMapToLedgeSB2Ds[tileMap].GetId());
}
else
{
Physics2DServer.BodyAddCollisionException(this._tileMapToLedgeSB2Ds[tileMap], entityRID);
}
}
}
/// <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;
}
/// <summary>
/// Free all RIDs stored.
/// </summary>
private void _FreeRIDs()
{
var allRIDs = new List <RID>();
allRIDs.AddRange(this._tileMapToFloorArea2Ds.Values);
allRIDs.AddRange(this._tileMapToWallSB2Ds.Values);
allRIDs.AddRange(this._tileMapToLedgeSB2Ds.Values);
foreach (List <ConvexPolygonShape2D> polygons in this._floorArea2DToPolygons.Values)
{
allRIDs.AddRange(polygons.ConvertAll(x => x.GetRid()));
}
foreach (List <SegmentShape2D> segments in this._wallSB2DToSegments.Values)
{
allRIDs.AddRange(segments.ConvertAll(x => x.GetRid()));
}
foreach (List <SegmentShape2D> segments in this._ledgeSB2DToSegments.Values)
{
allRIDs.AddRange(segments.ConvertAll(x => x.GetRid()));
}
foreach (RID rid in allRIDs)
{
Physics2DServer.FreeRid(rid);
}
}
public override void _PhysicsProcess(float delta)
{
// If we aren't falling from the sky, make sure we aren't below the viewport
// Purge the leaf if we are
// Otherwise, just the skip the rest of the method
if (!IsSkyFalling)
{
if (Body.GlobalPosition.y >= GetViewport().Size.y + 50)
{
QueueFree();
}
return;
}
// The leaf has arrived into position, stop it from moving anymore and set it to true position
if (Body.Position.DistanceTo(Vector2.Zero) <= 5)
{
Body.LinearVelocity = Vector2.Zero;
Body.GravityScale = 0;
var transform = (Transform2D)Physics2DServer.BodyGetState(Body.GetRid(), Physics2DServer.BodyState.Transform);
transform.origin = new Vector2(0, 0) + GlobalPosition;
Physics2DServer.BodySetState(Body.GetRid(), Physics2DServer.BodyState.Transform, transform);
IsSkyFalling = false;
EmitSignal("SkyLeafDropped");
}
}
public Godot.Collections.Dictionary Attack(int x, int y)
{
var spaceRid = GetWorld2d().Space;
var spaceState = Physics2DServer.SpaceGetDirectState(spaceRid);
// check the spot to move to
var result = spaceState.IntersectRay(new Vector2(x * gridSize + 1, y * gridSize + 1), new Vector2(x * 16 + 2, y * 16 + 2));
return(result);
}
public Godot.Collections.Dictionary MoveGridBase(int x, int y)
{
var spaceRid = GetWorld2d().Space;
var spaceState = Physics2DServer.SpaceGetDirectState(spaceRid);
// check the spot to move to
var result = spaceState.IntersectRay(new Vector2(x * gridSize + 1, y * gridSize + 1), new Vector2(x * 16 + 2, y * 16 + 2));
if (result.Count == 0) // if there is no one there
{
newPosition = new Vector2(x * gridSize, y * gridSize);
gridPosition = new Vector2(x, y);
}
return(result);
}
public static Vector2 SimpleRayCast(CanvasItem spaceNode, Vector2 from, Vector2 to, out bool success)
{
Physics2DDirectSpaceState physicsState = Physics2DServer.SpaceGetDirectState(spaceNode.GetWorld2d().Space);
Dictionary result = physicsState.IntersectRay(from, to, GodotUtility.MakeGDArray(spaceNode));
if (result.ContainsKey("position"))
{
success = true;
return((Vector2)result["position"]);
}
else
{
success = false;
return(new Vector2());
}
}
/// <summary>
/// Constructs a dictionary that maps a TileMap to a Physics2DServer-created StaticBody2D (RID).
/// Is used for both the walls and ledges dictionaries.
/// </summary>
/// <param name="tileMaps">List of TileMaps.</param>
/// <param name="worldSpace">RID of the World Space.</param>
/// <returns>A Dictionary that maps TileMaps to an RID of a StaticBody2D.</returns>
public static Dictionary<TileMap, RID> ConstructTileMapCollisionMap(this TileMapList tileMaps, RID worldSpace)
{
if (tileMaps is null) throw new ArgumentNullException(nameof(tileMaps));
var tileMapToSB2Ds = new Dictionary<TileMap, RID>();
foreach (TileMap tileMap in tileMaps.Values)
{
RID edgeSB2D = Physics2DServer.BodyCreate();
Physics2DServer.BodySetMode(edgeSB2D, Physics2DServer.BodyMode.Static);
Physics2DServer.BodySetSpace(edgeSB2D, worldSpace);
Physics2DServer.BodySetState(edgeSB2D, Physics2DServer.BodyState.Transform, Transform2D.Identity);
Physics2DServer.BodySetCollisionLayer(edgeSB2D, LayersFuncs.GetLayersValue(Terrain));
Physics2DServer.BodySetCollisionMask(edgeSB2D, LayersFuncs.GetLayersValue(PlayerEntity, NpcEntity));
tileMapToSB2Ds.Add(tileMap, edgeSB2D);
}
return tileMapToSB2Ds;
}
/// <summary>
/// Creates a FloorArea2D for each TileMap.
/// </summary>
/// <param name="tileMaps"></param>
/// <param name="worldSpace"></param>
/// <returns></returns>
public static Dictionary <TileMap, RID> ConstructTileMapFloorMap(this TileMapList tileMaps, RID worldSpace)
{
if (tileMaps is null)
{
throw new ArgumentNullException(nameof(tileMaps));
}
var tileMapToFloorArea2D = new Dictionary <TileMap, RID>();
foreach (TileMap tileMap in tileMaps.Values)
{
RID area2d = Physics2DServer.AreaCreate();
Physics2DServer.AreaSetSpace(area2d, worldSpace);
tileMapToFloorArea2D[tileMap] = area2d;
}
return(tileMapToFloorArea2D);
}
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);
}
public Godot.Collections.Dictionary AttackColumn(int x, int y, bool up)
{
var spaceRid = GetWorld2d().Space;
var spaceState = Physics2DServer.SpaceGetDirectState(spaceRid);
var rayStart = new Vector2(16 * x + 8, 16 * y + 8);
// check the spot to move to
var rayEnd = new Vector2(0, 0);
if (up)
{
rayEnd = new Vector2(16 * x + 8, 8);
}
else
{
rayEnd = new Vector2(16 * x + 8, 16 * 20 + 8);
}
var result = spaceState.IntersectRay(rayStart, rayEnd);
return(result);
}
public static RayCastHitInfo RayCastObject(CanvasItem spaceNode, Vector2 from, Vector2 to, out bool success)
{
Physics2DDirectSpaceState physicsState = Physics2DServer.SpaceGetDirectState(spaceNode.GetWorld2d().Space);
Dictionary result = physicsState.IntersectRay(from, to, GodotUtility.MakeGDArray(spaceNode));
if (result.ContainsKey("position"))
{
success = true;
RayCastHitInfo info = new RayCastHitInfo();
info.position = (Vector2)result["position"];
if (result.ContainsKey("collider"))
{
info.collider = (Godot.Object)result["collider"];
}
return(info);
}
else
{
success = false;
return(null);
}
}
/// <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");
}
