Gameplay-Edit

Assets/Scripts/Level/LevelBuilder.cs

@@ -0,0 +1,129 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Level
+{
+    public class LevelBuilder : MonoBehaviour
+    {
+        // Static
+        private static LevelBuilder instance;
+
+        // Events
+        public delegate void LevelDestroyedHandler();
+        public event LevelDestroyedHandler LevelDestroyed;
+
+        public delegate void LevelInitializedHandler();
+        public event LevelInitializedHandler LevelInitialized;
+
+        // Public
+        public Sprite blockSprite;
+        public Sprite environmentSprite;
+        public Sprite groundSprite;
+        public GameObject spritePrefab;
+        public GameObject cratePrefab;
+        public Grid grid;
+        public LevelBuilderButtons levelBuilderButtons;
+
+        // Private
+        private int width;
+        private int height;
+        private LayoutCell[][] layout;
+        private Vector3Int firstCellPos;
+
+        // Properties
+        public static LevelBuilder Instance => instance;
+
+
+        // Methods
+        private void Awake()
+        {
+            if (instance != null && instance != this)
+            {
+                Destroy(gameObject);
+                return;
+            }
+            instance = this;
+        }
+
+
+        private void Update()
+        {
+            if (GameManager.Instance.currentState == GameState.Editing && Input.GetMouseButtonDown(0))
+            {
+                // Get the mouse position
+                Vector3 mousePosition = Input.mousePosition;
+
+                // Convert the mouse position to world space if needed
+                Vector3 worldMousePosition = Camera.main.ScreenToWorldPoint(mousePosition);
+
+                EditCellAt(worldMousePosition);
+            }
+        }
+
+
+        public void CreateLayout(int w, int h)
+        {
+            LevelDestroyed?.Invoke();
+
+            width = w;
+            height = h;
+
+            // Offset first cell by half of width and height
+            firstCellPos = new Vector3Int(-width / 2, -height / 2, 0);
+
+            layout = new LayoutCell[height][];
+
+            for (int y = 0; y < height; y++)
+            {
+                layout[y] = new LayoutCell[width];
+                for (int x = 0; x < width; x++)
+                {
+                    Vector3Int cellPos = new Vector3Int(firstCellPos.x + x, firstCellPos.y + y, 0);
+
+                    layout[y][x] = new LayoutCell(cellPos, new Vector2Int(x, y));
+                }
+            }
+
+            LevelInitialized?.Invoke();
+        }
+
+
+        public LayoutCell GetCellAt(Vector2Int layoutPosition)
+        {
+            // Check that cell with these indices exists in array
+            // if (0 < layoutPosition.y < height && 0 < layoutPosition.x < width)
+            if (layoutPosition.y >= 0 && layoutPosition.y < height && layoutPosition.x >= 0 && layoutPosition.x < width)
+            {
+                return layout[layoutPosition.y][layoutPosition.x];
+            }
+            else
+            {
+                return null;
+            }
+        }
+
+
+        public LayoutCell WorldToLayoutCell(Vector3 worldPos)
+        {
+            Vector3Int cellPos = grid.WorldToCell(worldPos);
+            Vector2Int layoutPosition = ((Vector2Int) (cellPos - firstCellPos));
+
+            return GetCellAt(layoutPosition);
+        }
+
+
+        private void EditCellAt(Vector3 worldPos)
+        {
+            LayoutCell layoutCell = WorldToLayoutCell(worldPos);
+
+            if (layoutCell == null)
+            {
+                return;
+            }
+
+            LevelBuilderButtons.PlacementOption placementOption = levelBuilderButtons.CurrentOption;
+            layoutCell.ChangeEnv(placementOption);
+        }
+    }
+}