From 40ac185dc7a017d95771fe580c77eab20e663908 Mon Sep 17 00:00:00 2001
From: miepzerino <o.skotnik@gmail.com>
Date: Tue, 08 Apr 2025 17:36:08 +0000
Subject: [PATCH] #46 added interactables

---
 Assets/Scripts/GenerateTileMap.cs |  268 ++++++++++++++++++++++++++++++++++++-----------------
 1 files changed, 181 insertions(+), 87 deletions(-)

diff --git a/Assets/Scripts/GenerateTileMap.cs b/Assets/Scripts/GenerateTileMap.cs
index 4bf8585..0b3a588 100644
--- a/Assets/Scripts/GenerateTileMap.cs
+++ b/Assets/Scripts/GenerateTileMap.cs
@@ -1,6 +1,7 @@
 using System;
 using System.Collections;
 using System.Collections.Generic;
+using System.Linq;
 using Unity.Collections;
 using Unity.Jobs;
 using Unity.VisualScripting;
@@ -10,9 +11,9 @@
 public class GenerateTileMap : MonoBehaviour
 {
     public int? seed;
-    public static int maxWidth = 256;
+    public static int maxWidth = 255;
     public static int maxDepth = 384;
-    public static int groundDepth = 256;
+    public static int groundDepth = 255;
     private float scale;
     private float offsetX;
     private float offsetY; 
@@ -27,6 +28,8 @@
     private const int CACHE_CLEAR_DISTANCE = 8; // Distance in chunks before clearing cache (should be > LOAD_DISTANCE)
     private Vector2Int lastCacheClearPosition; // Track position where cache was last cleared
 
+    [NonSerialized]
+    public List<Vector3Int> destroyedTiles = new List<Vector3Int>();
     private Dictionary<Vector2Int, bool> loadedChunks = new Dictionary<Vector2Int, bool>();
     private Dictionary<Vector2Int, TileBase[]> chunkCache = new Dictionary<Vector2Int, TileBase[]>();
     private Transform playerTransform; // Reference to player/camera
@@ -61,20 +64,32 @@
         //Debug.Log($"Current Chunk: {currentChunk}");
         if (currentChunk != lastLoadedChunk)
         {
-            StartCoroutine(UpdateLoadedChunks(currentChunk));
+            StartCoroutine(UpdateLoadedChunks(currentChunk, destroyedTiles));
             lastLoadedChunk = currentChunk;
             // Check if we need to clear the cache
             ClearDistantChunks(currentChunk);
         }
     }
 
-
-    // When checking if a tile is destroyed, use GameManager's list
-    private bool IsTileDestroyed(Vector3Int tilePos)
+    public (int seed, Dictionary<Vector2Int, TileBase[]> chunkCache, List<Vector3Int> destroyedTiles) GetSaveValues()
     {
-        return gameManager.destroyedTiles.Contains(tilePos);
+        return (seed.Value, chunkCache, destroyedTiles);
     }
-    private IEnumerator UpdateLoadedChunks(Vector2Int currentChunk)
+    public void LoadChunkDataFromSave(List<SerializedChunkData> serializedChunks)
+    {
+        chunkCache.Clear();
+        foreach (var chunk in serializedChunks)
+        {
+            TileBase[] tiles = chunk.tileNames.Select(name =>
+                name == "null" ? null :
+                name == forestRuleTile.name ? forestRuleTile :
+                forestRuleTile.siblings.FirstOrDefault(s => s.name == name)
+            ).ToArray();
+
+            chunkCache[chunk.position] = tiles;
+        }
+    }
+    private IEnumerator UpdateLoadedChunks(Vector2Int currentChunk, List<Vector3Int> destroyedTiles)
     {
         // Unload distant chunks
         List<Vector2Int> chunksToUnload = new List<Vector2Int>();
@@ -93,21 +108,13 @@
         }
 
         // Load new chunks
-        yield return LoadChunksAroundPosition(currentChunk, new List<Vector3Int>());
+        yield return LoadChunksAroundPosition(currentChunk, destroyedTiles);
     }
 
     private void UnloadChunk(Vector2Int chunk)
     {
-        int startX = chunk.x * CHUNK_SIZE;
-        int startY = (chunk.y * CHUNK_SIZE)-1;
-
-        for (int x = startX; x < startX + CHUNK_SIZE; x++)
-        {
-            for (int y = startY; y > startY - CHUNK_SIZE; y--)
-            {
-                tilemap.SetTile(new Vector3Int(x, y), null);
-            }
-        }
+        var emptyTiles = new TileBase[CHUNK_SIZE * CHUNK_SIZE];
+        BatchSetTiles(chunk, emptyTiles);
     }
     private void LoadGenerateablesFromResources()
     {
@@ -192,7 +199,7 @@
 
         finishedCallback();
     }
-    private Vector2Int GetChunkPosition(Vector3 worldPosition)
+    public Vector2Int GetChunkPosition(Vector3 worldPosition)
     {
         // Adjust for tilemap offset
         float adjustedX = worldPosition.x - transform.position.x;
@@ -202,6 +209,23 @@
             Mathf.FloorToInt(adjustedX / CHUNK_SIZE),
             Mathf.FloorToInt(adjustedY / CHUNK_SIZE)
         );
+    }
+    public void UpdateChunkCache(Vector3Int cellCoord, Vector3 cellWorldPosition)
+    {
+        // Update chunk cache
+        Vector2Int chunkPos = GetChunkPosition(cellWorldPosition);
+        if (chunkCache.TryGetValue(chunkPos, out TileBase[] cachedTiles))
+        {
+            int localX = cellCoord.x - (chunkPos.x * GenerateTileMap.CHUNK_SIZE);
+            int localY = (chunkPos.y * GenerateTileMap.CHUNK_SIZE) - cellCoord.y - 1;
+            int index = localY * GenerateTileMap.CHUNK_SIZE + localX;
+
+            if (index >= 0 && index < cachedTiles.Length)
+            {
+                cachedTiles[index] = null;
+                chunkCache[chunkPos] = cachedTiles;
+            }
+        }
     }
     private IEnumerator LoadChunksAroundPosition(Vector2Int centerChunk, List<Vector3Int> destroyedTiles)
     {
@@ -235,19 +259,40 @@
 
         if (chunkCache.TryGetValue(chunk, out TileBase[] cachedTiles))
         {
-            for (int i = 0; i < cachedTiles.Length; i++)
-            {
-                int x = startX + (i % CHUNK_SIZE);
-                int y = startY - (i / CHUNK_SIZE);
-                Vector3Int tilePos = new Vector3Int(x, y);
+            //for (int i = 0; i < cachedTiles.Length; i++)
+            //{
+            //    int x = startX + (i % CHUNK_SIZE);
+            //    int y = startY - (i / CHUNK_SIZE);
+            //    Vector3Int tilePos = new Vector3Int(x, y);
 
-                if (!IsTileDestroyed(tilePos))
-                {
-                    tilemap.SetTile(tilePos, cachedTiles[i]);
-                }
-            }
+            //    if (!IsTileDestroyed(tilePos))
+            //    {
+            //        tilemap.SetTile(tilePos, cachedTiles[i]);
+            //    }
+            //}
+            BatchSetTiles(chunk, cachedTiles, destroyedTiles);
         }
         yield return null;
+    }
+    private void BatchSetTiles(Vector2Int chunk, TileBase[] tiles, List<Vector3Int> destroyedTiles = null)
+    {
+        int startX = chunk.x * CHUNK_SIZE;
+        int startY = (chunk.y * CHUNK_SIZE) - 1;
+
+        var positions = new Vector3Int[CHUNK_SIZE * CHUNK_SIZE];
+        var tileArray = new TileBase[CHUNK_SIZE * CHUNK_SIZE];
+
+        for (int i = 0; i < tiles.Length; i++)
+        {
+            int x = startX + (i % CHUNK_SIZE);
+            int y = startY - (i / CHUNK_SIZE);
+            Vector3Int pos = new Vector3Int(x, y);
+
+            positions[i] = pos;
+            tileArray[i] = destroyedTiles != null && destroyedTiles.Contains(pos) ? null : tiles[i];
+        }
+
+        tilemap.SetTiles(positions, tileArray);
     }
     private void ClearDistantChunks(Vector2Int currentChunk)
     {
@@ -324,29 +369,36 @@
         // Apply the results
         groundJobHandle.Complete();
         TileBase[] newChunkTiles = new TileBase[CHUNK_SIZE * CHUNK_SIZE];
+        //for (int i = 0; i < CHUNK_SIZE * CHUNK_SIZE; i++)
+        //{
+        //    if (groundJob.groundTiles[i])
+        //    {
+        //        int x = startX + (i % CHUNK_SIZE);
+        //        int y = startY - (i / CHUNK_SIZE);
+        //        Vector3Int tilePos = new Vector3Int(x, y);
+
+        //        if (!IsTileDestroyed(tilePos))
+        //        {
+        //            tilemap.SetTile(tilePos, forestRuleTile);
+        //            newChunkTiles[i] = forestRuleTile;
+        //        }
+        //        else
+        //        {
+        //            newChunkTiles[i] = null;
+        //        }
+        //    }
+        //    else
+        //    {
+        //        newChunkTiles[i] = null;
+        //    }
+        //}
         for (int i = 0; i < CHUNK_SIZE * CHUNK_SIZE; i++)
         {
-            if (groundJob.groundTiles[i])
-            {
-                int x = startX + (i % CHUNK_SIZE);
-                int y = startY - (i / CHUNK_SIZE);
-                Vector3Int tilePos = new Vector3Int(x, y);
-
-                if (!IsTileDestroyed(tilePos))
-                {
-                    tilemap.SetTile(tilePos, forestRuleTile);
-                    newChunkTiles[i] = forestRuleTile;
-                }
-                else
-                {
-                    newChunkTiles[i] = null;
-                }
-            }
-            else
-            {
-                newChunkTiles[i] = null;
-            }
+            newChunkTiles[i] = groundJob.groundTiles[i] ? forestRuleTile : null;
         }
+
+        // Batch update tiles
+        BatchSetTiles(chunk, newChunkTiles, destroyedTiles);
 
         // Save the generated chunk to the cache
         chunkCache[chunk] = newChunkTiles;
@@ -372,6 +424,8 @@
     {
         int startX = chunk.x * CHUNK_SIZE;
         int startY = chunk.y * CHUNK_SIZE;
+        // Get the cached tiles for this chunk
+        TileBase[] cachedTiles = chunkCache[chunk];
 
         foreach (Generateable generateable in generateables)
         {
@@ -409,6 +463,14 @@
                                 if (clusterSize >= generateable.minClusterSize)
                                 {
                                     tilemap.SetTile(tileSpawnCoord, generateable.tile);
+                                    // Update cache
+                                    int localX = x - startX;
+                                    int localY = startY - y - 1;
+                                    int index = localY * CHUNK_SIZE + localX;
+                                    if (index >= 0 && index < cachedTiles.Length)
+                                    {
+                                        cachedTiles[index] = generateable.tile;
+                                    }
                                 }
                             }
                         }
@@ -422,25 +484,57 @@
                 }
             }
         }
+        // Update the cache with the modified tiles
+        chunkCache[chunk] = cachedTiles;
     }
     private IEnumerator GenerateBorders()
     {
-        // Vertical borders (going up from underground to sky)
+        // Vertical borders
         for (int x = 0; x <= maxWidth; x += maxWidth)
         {
             for (int y = -groundDepth; y <= maxDepth - groundDepth; y++)
             {
-                tilemap.SetTile(new Vector3Int(x, y), borderTile);
+                Vector3Int borderPos = new Vector3Int(x, y);
+                tilemap.SetTile(borderPos, borderTile);
+
+                // Update cache for affected chunk
+                Vector2Int chunkPos = GetChunkPosition(new Vector3(x + transform.position.x, y + transform.position.y));
+                if (chunkCache.TryGetValue(chunkPos, out TileBase[] cachedTiles))
+                {
+                    int localX = x - (chunkPos.x * CHUNK_SIZE);
+                    int localY = chunkPos.y * CHUNK_SIZE - y - 1;
+                    int index = localY * CHUNK_SIZE + localX;
+                    if (index >= 0 && index < cachedTiles.Length)
+                    {
+                        cachedTiles[index] = borderTile;
+                        chunkCache[chunkPos] = cachedTiles;
+                    }
+                }
             }
         }
         yield return null;
 
-        // Horizontal borders (at bottom and sky level)
+        // Horizontal borders
         for (int y = -groundDepth; y <= maxDepth - groundDepth; y += maxDepth)
         {
-            for (int x = 1; x <= maxWidth; x++)
+            for (int x = 1; x < maxWidth; x++)
             {
-                tilemap.SetTile(new Vector3Int(x, y), borderTile);
+                Vector3Int borderPos = new Vector3Int(x, y);
+                tilemap.SetTile(borderPos, borderTile);
+
+                // Update cache for affected chunk
+                Vector2Int chunkPos = GetChunkPosition(new Vector3(x + transform.position.x, y + transform.position.y));
+                if (chunkCache.TryGetValue(chunkPos, out TileBase[] cachedTiles))
+                {
+                    int localX = x - (chunkPos.x * CHUNK_SIZE);
+                    int localY = chunkPos.y * CHUNK_SIZE - y - 1;
+                    int index = localY * CHUNK_SIZE + localX;
+                    if (index >= 0 && index < cachedTiles.Length)
+                    {
+                        cachedTiles[index] = borderTile;
+                        chunkCache[chunkPos] = cachedTiles;
+                    }
+                }
             }
         }
         yield return null;
@@ -494,41 +588,41 @@
         chunkCache.Clear();
     }
 #if UNITY_EDITOR
-    private void OnDrawGizmos()
-    {
-        if (!Application.isPlaying) return;
+    //private void OnDrawGizmos()
+    //{
+    //    if (!Application.isPlaying) return;
 
-        // Draw current chunk boundaries
-        if (playerTransform != null)
-        {
-            Vector2Int currentChunk = GetChunkPosition(playerTransform.position);
-            Gizmos.color = Color.yellow;
+    //    // Draw current chunk boundaries
+    //    if (playerTransform != null)
+    //    {
+    //        Vector2Int currentChunk = GetChunkPosition(playerTransform.position);
+    //        Gizmos.color = Color.yellow;
 
-            for (int x = -LOAD_DISTANCE; x <= LOAD_DISTANCE; x++)
-            {
-                for (int y = -LOAD_DISTANCE; y <= LOAD_DISTANCE; y++)
-                {
-                    Vector2Int chunk = new Vector2Int(currentChunk.x + x, currentChunk.y + y);
-                    Vector3 worldPos = new Vector3(
-                        chunk.x * CHUNK_SIZE + transform.position.x,
-                        chunk.y * CHUNK_SIZE + transform.position.y,
-                        0
-                    );
+    //        for (int x = -LOAD_DISTANCE; x <= LOAD_DISTANCE; x++)
+    //        {
+    //            for (int y = -LOAD_DISTANCE; y <= LOAD_DISTANCE; y++)
+    //            {
+    //                Vector2Int chunk = new Vector2Int(currentChunk.x + x, currentChunk.y + y);
+    //                Vector3 worldPos = new Vector3(
+    //                    chunk.x * CHUNK_SIZE + transform.position.x,
+    //                    chunk.y * CHUNK_SIZE + transform.position.y,
+    //                    0
+    //                );
 
-                    // Draw chunk boundary
-                    Gizmos.DrawWireCube(
-                        worldPos + new Vector3(CHUNK_SIZE / 2f, -CHUNK_SIZE / 2f, 0),
-                        new Vector3(CHUNK_SIZE, CHUNK_SIZE, 0)
-                    );
+    //                // Draw chunk boundary
+    //                Gizmos.DrawWireCube(
+    //                    worldPos + new Vector3(CHUNK_SIZE / 2f, -CHUNK_SIZE / 2f, 0),
+    //                    new Vector3(CHUNK_SIZE, CHUNK_SIZE, 0)
+    //                );
 
-                    // Draw chunk coordinates
-                    UnityEditor.Handles.Label(
-                        worldPos + new Vector3(CHUNK_SIZE / 2f, -CHUNK_SIZE / 2f, 0),
-                        $"({chunk.x}, {chunk.y})"
-                    );
-                }
-            }
-        }
-    }
+    //                // Draw chunk coordinates
+    //                UnityEditor.Handles.Label(
+    //                    worldPos + new Vector3(CHUNK_SIZE / 2f, -CHUNK_SIZE / 2f, 0),
+    //                    $"({chunk.x}, {chunk.y})"
+    //                );
+    //            }
+    //        }
+    //    }
+    //}
 #endif
 }

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