Initial commit

2026-05-07 03:23:56 +00:00
commit 5e8575f42a
42 changed files with 2330 additions and 0 deletions
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+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Threading.Tasks;
+using GameOfLife.Entities;
+
+namespace GameOfLife
+{
+    public static class Neighborhood
+    {
+        public static Tuple<Cell, short>[] GetNeighborField(IEnumerable<Cell> world)
+        {
+            var neighbors = new List<Cell>();
+
+            Parallel.ForEach(
+                world,
+                () => new List<Cell>(),
+                (cell, loop, localNeighbors) =>
+                {
+                    localNeighbors.AddRange(cell.NeighborCells);
+                    return localNeighbors;
+                },
+                globalNeighbors =>
+                {
+                    lock(neighbors)
+                        neighbors.AddRange(globalNeighbors);
+                });
+
+            var neighborCount =
+                    neighbors
+                        .GroupBy(n => n)
+                        .Select(n => Tuple.Create(n.Key, (short)n.Count()))
+                        .ToArray();
+
+            return neighborCount;
+        }
+
+        public static Tuple<Cell, short>[] GetNeighborField_Serial(IEnumerable<Cell> world)
+        {
+            var neighborCount = new Dictionary<Cell, short>();
+
+            foreach (var cell in world)
+            {
+                foreach (var neighbor in cell.NeighborCells)
+                {
+                    if (!neighborCount.ContainsKey(neighbor))
+                        neighborCount[neighbor] = 1;
+                    else
+                        neighborCount[neighbor] += 1;
+                }
+            }
+
+            return neighborCount.Select(pair => Tuple.Create(pair.Key, pair.Value)).ToArray();
+        }
+    }
+}