Added placing buildings

Assets/Prefabs/Buildings/FanBuilding.prefab

@@ -10,6 +10,8 @@ GameObject:
   m_Component:
   - component: {fileID: 546461529234046531}
   - component: {fileID: 3321531399837876958}
+  - component: {fileID: 512124502862012575}
+  - component: {fileID: 2938597077917375806}
   m_Layer: 0
   m_Name: FanBuilding
   m_TagString: Untagged
@@ -17,14 +19,13 @@ GameObject:
   m_NavMeshLayer: 0
   m_StaticEditorFlags: 0
   m_IsActive: 1
---- !u!4 &546461529234046531
+--- !u!224 &546461529234046531
-Transform:
+RectTransform:
   m_ObjectHideFlags: 0
   m_CorrespondingSourceObject: {fileID: 0}
   m_PrefabInstance: {fileID: 0}
   m_PrefabAsset: {fileID: 0}
   m_GameObject: {fileID: 8624048914473773482}
-  serializedVersion: 2
   m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
   m_LocalPosition: {x: 0, y: 0, z: 0}
   m_LocalScale: {x: 1, y: 1, z: 1}
@@ -32,6 +33,11 @@ Transform:
   m_Children: []
   m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 100, y: 100}
+  m_Pivot: {x: 0.5, y: 0.5}
 --- !u!114 &3321531399837876958
 MonoBehaviour:
   m_ObjectHideFlags: 0
@@ -46,3 +52,41 @@ MonoBehaviour:
   m_EditorClassIdentifier: 
   BuildingTexture: {fileID: 2800000, guid: 1c2431a53994c424c82389d1cc422df8, type: 3}
   <SizeOnGrid>k__BackingField: {x: 1, y: 3}
+--- !u!222 &512124502862012575
+CanvasRenderer:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 8624048914473773482}
+  m_CullTransparentMesh: 1
+--- !u!114 &2938597077917375806
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 8624048914473773482}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: fe87c0e1cc204ed48ad3b37840f39efc, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
+  m_Material: {fileID: 0}
+  m_Color: {r: 1, g: 1, b: 1, a: 1}
+  m_RaycastTarget: 1
+  m_RaycastPadding: {x: 0, y: 0, z: 0, w: 0}
+  m_Maskable: 1
+  m_OnCullStateChanged:
+    m_PersistentCalls:
+      m_Calls: []
+  m_Sprite: {fileID: 21300000, guid: 1c2431a53994c424c82389d1cc422df8, type: 3}
+  m_Type: 0
+  m_PreserveAspect: 0
+  m_FillCenter: 1
+  m_FillMethod: 4
+  m_FillAmount: 1
+  m_FillClockwise: 1
+  m_FillOrigin: 0
+  m_UseSpriteMesh: 0
+  m_PixelsPerUnitMultiplier: 1

Assets/Scenes/SampleScene.unity

@@ -1306,6 +1306,7 @@ RectTransform:
   - {fileID: 96288173}
   - {fileID: 1330313875}
   - {fileID: 1194686691}
+  - {fileID: 2005593404}
   m_Father: {fileID: 0}
   m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
   m_AnchorMin: {x: 0, y: 0}
@@ -1640,6 +1641,7 @@ MonoBehaviour:
   RectTransform: {fileID: 1330313875}
   BuildingPreview: {fileID: 1194686692}
   CursorImage: {fileID: 1330313876}
+  BuildingManager: {fileID: 0}
   BuildingPrefab: {fileID: 8624048914473773482, guid: 1b5c88b3f8d08674a9b15155d6ba9a36,
     type: 3}
   CurrentMouseClickStrength: 0
@@ -2008,6 +2010,54 @@ RectTransform:
   m_AnchoredPosition: {x: 0, y: 1500}
   m_SizeDelta: {x: 100, y: 100}
   m_Pivot: {x: 0.5, y: 0.5}
+--- !u!1 &2005593403
+GameObject:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  serializedVersion: 6
+  m_Component:
+  - component: {fileID: 2005593404}
+  - component: {fileID: 2005593405}
+  m_Layer: 5
+  m_Name: BuildingManager
+  m_TagString: Untagged
+  m_Icon: {fileID: 0}
+  m_NavMeshLayer: 0
+  m_StaticEditorFlags: 0
+  m_IsActive: 1
+--- !u!224 &2005593404
+RectTransform:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 2005593403}
+  m_LocalRotation: {x: 0, y: 0, z: 0, w: 1}
+  m_LocalPosition: {x: 0, y: 0, z: 0}
+  m_LocalScale: {x: 1, y: 1, z: 1}
+  m_ConstrainProportionsScale: 0
+  m_Children: []
+  m_Father: {fileID: 1165634414}
+  m_LocalEulerAnglesHint: {x: 0, y: 0, z: 0}
+  m_AnchorMin: {x: 0.5, y: 0.5}
+  m_AnchorMax: {x: 0.5, y: 0.5}
+  m_AnchoredPosition: {x: 0, y: 0}
+  m_SizeDelta: {x: 100, y: 100}
+  m_Pivot: {x: 0.5, y: 0.5}
+--- !u!114 &2005593405
+MonoBehaviour:
+  m_ObjectHideFlags: 0
+  m_CorrespondingSourceObject: {fileID: 0}
+  m_PrefabInstance: {fileID: 0}
+  m_PrefabAsset: {fileID: 0}
+  m_GameObject: {fileID: 2005593403}
+  m_Enabled: 1
+  m_EditorHideFlags: 0
+  m_Script: {fileID: 11500000, guid: 9b26cbb6d9a64e44ad6f1b2022ed62fe, type: 3}
+  m_Name: 
+  m_EditorClassIdentifier: 
 --- !u!1 &2026916297
 GameObject:
   m_ObjectHideFlags: 0

Assets/Scripts/Game/Buildings/BuildingManager.cs

@@ -0,0 +1,46 @@
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace Fruitomation.Game
+{
+    public class BuildingManager : MonoBehaviour
+    {
+        private class BuildingInfo
+        {
+            public BuildingInfo(BuildingBase b, RectTransform rt)
+            {
+                Building = b;
+                Rect = rt;
+            }
+
+            public BuildingBase Building { get; }
+            public RectTransform Rect { get; }
+        }
+
+        private bool[,] InhabitedCells { get; } = new bool[96, 49];
+        private List<BuildingInfo> Buildings { get; } = new();
+
+        public bool AddBuildingAt(Vector2Int position, GameObject prefab, bool updateCellMap = false)
+        {
+            GameObject go = Instantiate(prefab, transform);
+            BuildingInfo info = new
+            (
+                go.GetComponent<BuildingBase>(),
+                go.GetComponent<RectTransform>()
+            );
+
+            Vector2Int p0 = position * 40;
+            Vector2Int p1 = p0 + new Vector2Int(20, 100);
+            
+            Vector2 off0 = info.Building.SizeOnGrid - Vector2.one;
+            Vector2 off1 = off0 * 20;
+
+            info.Rect.sizeDelta = info.Building.SizeOnGrid * 40;
+            info.Rect.anchoredPosition = p1 + off1;
+
+            Buildings.Add(info);
+            return true;
+        }
+    }
+}

Assets/Scripts/Game/Buildings/BuildingManager.cs.meta

@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 9b26cbb6d9a64e44ad6f1b2022ed62fe
+timeCreated: 1774967593

Assets/Scripts/UI/GameCursor.cs

@@ -19,6 +19,7 @@ namespace Fruitomation.UI
         [SerializeField] private RectTransform RectTransform;
         [SerializeField] private Image BuildingPreview;
         [SerializeField] private Image CursorImage;
+        [SerializeField] private BuildingManager BuildingManager;
         
         [Header("Dev")]
         [SerializeField] private GameObject BuildingPrefab;
@@ -156,6 +157,12 @@ namespace Fruitomation.UI
             Vector2 o1 = o0 * 20;
             Vector2 p4 = p3 + o1;
             BuildingPreview.rectTransform.anchoredPosition = p4;
+            
+            //
+            if (Input.GetMouseButtonDown(0))
+            {
+                BuildingManager.AddBuildingAt(p1, BuildingPrefab);
+            }
         }
     }
 }