Update

2026-04-21 23:28:49 +07:00
parent 3a687a4d58
commit 8de65bb527
45 changed files with 1056 additions and 551 deletions
--- a/Assets/Scripts/GameSetup/Maze/PrimsAlgorithm.cs
+++ b/Assets/Scripts/GameSetup/Maze/PrimsAlgorithm.cs
@@ -0,0 +1,95 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Hallucinate.GameSetup.Maze
+{
+    public class PrimsAlgorithm : IMazeAlgorithm
+    {
+        private const int InitialX = 2;
+        private const int InitialZ = 2;
+        private const int MaxIterations = 10000;
+        private const int TargetCorridorNeighbours = 1;
+
+        public void Generate(MazeGrid grid)
+        {
+            int x = InitialX;
+            int z = InitialZ;
+            grid.SetCell(x, z, MazeCellType.Corridor);
+
+            List<MapLocation> walls = GetNeighbouringWalls(grid, x, z);
+
+            int iterations = 0;
+            while (walls.Count > 0 && iterations < MaxIterations)
+            {
+                int rIndex = Random.Range(0, walls.Count);
+                MapLocation w = walls[rIndex];
+                walls.RemoveAt(rIndex);
+
+                if (grid.CountSquareNeighbours(w.x, w.z, MazeCellType.Corridor) == TargetCorridorNeighbours)
+                {
+                    grid.SetCell(w.x, w.z, MazeCellType.Corridor);
+                    walls.AddRange(GetNeighbouringWalls(grid, w.x, w.z));
+                }
+                iterations++;
+            }
+        }
+
+        public IEnumerator GenerateStepByStep(MazeGrid grid, float interval)
+        {
+            int x = InitialX;
+            int z = InitialZ;
+            grid.SetCell(x, z, MazeCellType.Corridor);
+            yield return new WaitForSeconds(interval);
+
+            List<MapLocation> walls = GetNeighbouringWalls(grid, x, z);
+            
+            foreach(var w in walls) grid.SetCell(w.x, w.z, MazeCellType.Processing);
+
+            int iterations = 0;
+            while (walls.Count > 0 && iterations < MaxIterations)
+            {
+                int rIndex = Random.Range(0, walls.Count);
+                MapLocation w = walls[rIndex];
+                walls.RemoveAt(rIndex);
+
+                if (grid.CountSquareNeighbours(w.x, w.z, MazeCellType.Corridor) == TargetCorridorNeighbours)
+                {
+                    grid.SetCell(w.x, w.z, MazeCellType.Corridor);
+                    if (interval > 0) yield return new WaitForSeconds(interval);
+
+                    var newWalls = GetNeighbouringWalls(grid, w.x, w.z);
+                    foreach(var nw in newWalls)
+                    {
+                        if (grid.GetCell(nw.x, nw.z) == MazeCellType.Wall)
+                        {
+                            grid.SetCell(nw.x, nw.z, MazeCellType.Processing);
+                            walls.Add(nw);
+                        }
+                    }
+                }
+                else
+                {
+                    if(grid.GetCell(w.x, w.z) == MazeCellType.Processing)
+                        grid.SetCell(w.x, w.z, MazeCellType.Wall);
+                }
+                iterations++;
+            }
+        }
+
+        private List<MapLocation> GetNeighbouringWalls(MazeGrid grid, int x, int z)
+        {
+            List<MapLocation> neighbours = new List<MapLocation>();
+            foreach (var dir in MapLocation.Directions)
+            {
+                int nx = x + dir.x;
+                int nz = z + dir.z;
+                if (grid.IsInBounds(nx, nz) && grid.GetCell(nx, nz) == MazeCellType.Wall)
+                {
+                    neighbours.Add(new MapLocation(nx, nz));
+                }
+            }
+            return neighbours;
+        }
+    }
+}