Ghost structure coloring in build mode

Assets/Entities/Structures/PowerPlant/PowerPlant.prefab

@@ -269,7 +269,7 @@ MeshRenderer:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 5716373424675870408}
-  m_Enabled: 1
+  m_Enabled: 0
   m_CastShadows: 1
   m_ReceiveShadows: 1
   m_DynamicOccludee: 1

Assets/Entities/Structures/Tower/Turret.prefab

@@ -646,7 +646,7 @@ MeshRenderer:
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 8385032484663529878}
-  m_Enabled: 1
+  m_Enabled: 0
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   m_ReceiveShadows: 1
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@@ -748,9 +748,8 @@ MonoBehaviour:
   centerPosition: {fileID: 5103935544759496321}
   basePosition: {fileID: 8324879816836607384}
   cost: 20
+  buildPlacementBlocked: 0
   buildTimer: 1
-  buildCollider: {fileID: 0}
-  _buildPlacementBlocked: 0
   weaponRange: 40
   damage: 1
   fireRate: 1

Assets/Handlers/BuildingHandler.cs

@@ -8,21 +8,28 @@ namespace AsteroidGame.Handlers
 {
     public class BuildingHandler : HandlerBase
     {
-        [Header("Connections")] [SerializeField]
+        [Header("Config")] 
-        private new Camera camera;
+        [SerializeField] private Color colorGhost = new Color(1f, 1f, 1f, 0.12f);
+        [SerializeField] private Color colorBuildingBlocked = new Color(1f, 0f, 0f, 0.12f);
+        [SerializeField] private Material ghostStructureMaterial;
 
-        [Header("State")] [SerializeField] private bool isBuilding;
+        [Header("State")] 
+        [SerializeField] private bool isBuilding;
         [SerializeField] private int buildingSelector;
 
-        [Header("Prefabs")] [SerializeField] private List<StructureBase> buildings = new();
+        [Header("Prefabs")] 
+        [SerializeField] private List<StructureBase> buildings = new();
 
         #region Private
 
+        [SerializeField] private Color colorCurrent;
+        private Camera _camera;
         [SerializeField] private List<StructureBase> activeBuildings;
         private Vector3 _tempVec;
         private Plane _buildPlane;
-        private StructureBase _tempSb;
+        private StructureBase _tempStructure;
         private StructureBase _ghostStructure;
+        private MeshRenderer[] _ghostStructureMeshRenderers;
 
         #endregion
 
@@ -30,17 +37,27 @@ namespace AsteroidGame.Handlers
         protected override void OnEnable()
         {
             base.OnEnable();
+            _camera = Camera.main;
             _buildPlane = new Plane(Vector3.up, Vector3.zero);
             activeBuildings.Clear();
-            camera = Camera.main;
         }
 
         private void Update()
         {
-            if (isBuilding)
+            if (!isBuilding) return;
-            {
             _ghostStructure.transform.position = GetPlanePoint();
+            SetGhostColor(_ghostStructure.BuildPlacementBlocked ? colorBuildingBlocked : colorGhost);
         }
+
+        private void SetGhostColor(Color newColor)
+        {
+            if (newColor == colorCurrent) return;
+            foreach (var meshRenderer in _ghostStructureMeshRenderers)
+            {
+                meshRenderer.material.color = newColor;
+            }
+
+            colorCurrent = newColor;
         }
 
         protected override void OnLeftClick(InputAction.CallbackContext context)
@@ -50,9 +67,7 @@ namespace AsteroidGame.Handlers
 
         protected override void OnRightClick(InputAction.CallbackContext context)
         {
-            if (!isBuilding) return;
+            AbortPlaceStructure();
-            DestroyGhostStructure();
-            isBuilding = false;
         }
 
         protected override void OnBuild(InputAction.CallbackContext context)
@@ -61,11 +76,6 @@ namespace AsteroidGame.Handlers
         }
 
         public void PlaceStructure()
-        {
-            AbortPlaceStructure();
-        }
-
-        public void AbortPlaceStructure()
         {
             if (!isBuilding) return;
             if (_ghostStructure.BuildPlacementBlocked) return;
@@ -74,8 +84,16 @@ namespace AsteroidGame.Handlers
             isBuilding = false;
         }
 
+        public void AbortPlaceStructure()
+        {
+            if (!isBuilding) return;
+            DestroyGhostStructure();
+            isBuilding = false;
+        }
+
         public void EnterBuildMode()
         {
+            if (isBuilding) return;
             isBuilding = true;
             SpawnGhostStructure();
         }
@@ -88,13 +106,12 @@ namespace AsteroidGame.Handlers
             var rb = _ghostStructure.gameObject.AddComponent<Rigidbody>();
             rb.useGravity = false;
 
-            // foreach (var renderer in _ghostStructure.GetComponents<MeshRenderer>())
+            _ghostStructureMeshRenderers = _ghostStructure.GetComponentsInChildren<MeshRenderer>();
-            // {
+
-            //     var color = renderer.material.color;
+            foreach (var meshRenderer in _ghostStructureMeshRenderers)
-            //     var tempcolor = color;
+            {
-            //     tempcolor.a = 0.1f;
+                meshRenderer.material = ghostStructureMaterial;
-            //     color = tempcolor;
+            }
-            // }
 
             _ghostStructure.GetComponent<StructureBase>().enabled = false;
         }
@@ -106,22 +123,20 @@ namespace AsteroidGame.Handlers
 
         private void SpawnStructure()
         {
-            _tempSb = Instantiate(buildings[buildingSelector], GetPlanePoint(), Quaternion.identity, transform);
+            _tempStructure = Instantiate(buildings[buildingSelector], GetPlanePoint(), Quaternion.identity, transform);
-            activeBuildings.Add(_tempSb);
+            activeBuildings.Add(_tempStructure);
         }
 
         private Vector3 GetPlanePoint()
         {
-            Ray ray = camera.ScreenPointToRay(Mouse.current.position.ReadValue());
+            Ray ray = _camera.ScreenPointToRay(Mouse.current.position.ReadValue());
             if (_buildPlane.Raycast(ray, out float distance))
             {
                 return ray.GetPoint(distance);
             }
-            else
+            
-            {
             print("BuildPlaneNotHit");
             return Vector3.zero;
         }
     }
 }
-}

Assets/Materials/GhostMaterial.mat

@@ -0,0 +1,269 @@
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Assets/Materials/GhostMaterial.mat.meta

@@ -0,0 +1,8 @@
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Assets/Scenes/Playground.unity

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   m_Name: 
   m_EditorClassIdentifier: 
-  camera: {fileID: 0}
+  colorGhost: {r: 1, g: 1, b: 1, a: 0.12}
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 --- !u!1001 &1191794244
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