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AI Reachable system (#1342)

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Co-authored-by: Metal Gear Sloth <metalgearsloth@gmail.com>
This commit is contained in:
metalgearsloth
2020-07-11 23:09:37 +10:00
committed by GitHub
parent 347b4b2893
commit 51d08e8b05
22 changed files with 1337 additions and 80 deletions
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154
Content.Server/GameObjects/EntitySystems/AI/Pathfinding/PathfindingNode.cs
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@@ -88,9 +88,159 @@ namespace Content.Server.GameObjects.EntitySystems.Pathfinding
}
}
public PathfindingNode GetNeighbor(Direction direction)
{
var chunkXOffset = TileRef.X - ParentChunk.Indices.X;
var chunkYOffset = TileRef.Y - ParentChunk.Indices.Y;
MapIndices neighborMapIndices;
switch (direction)
{
case Direction.East:
if (!ParentChunk.OnEdge(this))
{
return ParentChunk.Nodes[chunkXOffset + 1, chunkYOffset];
}
neighborMapIndices = new MapIndices(TileRef.X + 1, TileRef.Y);
foreach (var neighbor in ParentChunk.GetNeighbors())
{
if (neighbor.InBounds(neighborMapIndices))
{
return neighbor.Nodes[neighborMapIndices.X - neighbor.Indices.X,
neighborMapIndices.Y - neighbor.Indices.Y];
}
}
return null;
case Direction.NorthEast:
if (!ParentChunk.OnEdge(this))
{
return ParentChunk.Nodes[chunkXOffset + 1, chunkYOffset + 1];
}
neighborMapIndices = new MapIndices(TileRef.X + 1, TileRef.Y + 1);
foreach (var neighbor in ParentChunk.GetNeighbors())
{
if (neighbor.InBounds(neighborMapIndices))
{
return neighbor.Nodes[neighborMapIndices.X - neighbor.Indices.X,
neighborMapIndices.Y - neighbor.Indices.Y];
}
}
return null;
case Direction.North:
if (!ParentChunk.OnEdge(this))
{
return ParentChunk.Nodes[chunkXOffset, chunkYOffset + 1];
}
neighborMapIndices = new MapIndices(TileRef.X, TileRef.Y + 1);
foreach (var neighbor in ParentChunk.GetNeighbors())
{
if (neighbor.InBounds(neighborMapIndices))
{
return neighbor.Nodes[neighborMapIndices.X - neighbor.Indices.X,
neighborMapIndices.Y - neighbor.Indices.Y];
}
}
return null;
case Direction.NorthWest:
if (!ParentChunk.OnEdge(this))
{
return ParentChunk.Nodes[chunkXOffset - 1, chunkYOffset + 1];
}
neighborMapIndices = new MapIndices(TileRef.X - 1, TileRef.Y + 1);
foreach (var neighbor in ParentChunk.GetNeighbors())
{
if (neighbor.InBounds(neighborMapIndices))
{
return neighbor.Nodes[neighborMapIndices.X - neighbor.Indices.X,
neighborMapIndices.Y - neighbor.Indices.Y];
}
}
return null;
case Direction.West:
if (!ParentChunk.OnEdge(this))
{
return ParentChunk.Nodes[chunkXOffset - 1, chunkYOffset];
}
neighborMapIndices = new MapIndices(TileRef.X - 1, TileRef.Y);
foreach (var neighbor in ParentChunk.GetNeighbors())
{
if (neighbor.InBounds(neighborMapIndices))
{
return neighbor.Nodes[neighborMapIndices.X - neighbor.Indices.X,
neighborMapIndices.Y - neighbor.Indices.Y];
}
}
return null;
case Direction.SouthWest:
if (!ParentChunk.OnEdge(this))
{
return ParentChunk.Nodes[chunkXOffset - 1, chunkYOffset - 1];
}
neighborMapIndices = new MapIndices(TileRef.X - 1, TileRef.Y - 1);
foreach (var neighbor in ParentChunk.GetNeighbors())
{
if (neighbor.InBounds(neighborMapIndices))
{
return neighbor.Nodes[neighborMapIndices.X - neighbor.Indices.X,
neighborMapIndices.Y - neighbor.Indices.Y];
}
}
return null;
case Direction.South:
if (!ParentChunk.OnEdge(this))
{
return ParentChunk.Nodes[chunkXOffset, chunkYOffset - 1];
}
neighborMapIndices = new MapIndices(TileRef.X, TileRef.Y - 1);
foreach (var neighbor in ParentChunk.GetNeighbors())
{
if (neighbor.InBounds(neighborMapIndices))
{
return neighbor.Nodes[neighborMapIndices.X - neighbor.Indices.X,
neighborMapIndices.Y - neighbor.Indices.Y];
}
}
return null;
case Direction.SouthEast:
if (!ParentChunk.OnEdge(this))
{
return ParentChunk.Nodes[chunkXOffset + 1, chunkYOffset - 1];
}
neighborMapIndices = new MapIndices(TileRef.X + 1, TileRef.Y - 1);
foreach (var neighbor in ParentChunk.GetNeighbors())
{
if (neighbor.InBounds(neighborMapIndices))
{
return neighbor.Nodes[neighborMapIndices.X - neighbor.Indices.X,
neighborMapIndices.Y - neighbor.Indices.Y];
}
}
return null;
default:
throw new ArgumentOutOfRangeException(nameof(direction), direction, null);
}
}
public void UpdateTile(TileRef newTile)
{
TileRef = newTile;
ParentChunk.Dirty();
}
/// <summary>
@@ -111,6 +261,7 @@ namespace Content.Server.GameObjects.EntitySystems.Pathfinding
if (entity.TryGetComponent(out AccessReader accessReader) && !_accessReaders.ContainsKey(entity.Uid))
{
_accessReaders.Add(entity.Uid, accessReader);
ParentChunk.Dirty();
}
return;
}
@@ -126,6 +277,7 @@ namespace Content.Server.GameObjects.EntitySystems.Pathfinding
{
_blockedCollidables.TryAdd(entity.Uid, collidableComponent.CollisionLayer);
GenerateMask();
ParentChunk.Dirty();
}
}
}
@@ -147,11 +299,13 @@ namespace Content.Server.GameObjects.EntitySystems.Pathfinding
else if (_accessReaders.ContainsKey(entity.Uid))
{
_accessReaders.Remove(entity.Uid);
ParentChunk.Dirty();
}
else if (_blockedCollidables.ContainsKey(entity.Uid))
{
_blockedCollidables.Remove(entity.Uid);
GenerateMask();
ParentChunk.Dirty();
}
}