From c38737fa61c55fa44eab3f4e952e22c6c100027a Mon Sep 17 00:00:00 2001
From: shadowik <zahar.mark@bk.ru>
Date: Fri, 23 Sep 2022 14:34:19 +0400
Subject: [PATCH] Collision

---
 .../DoubleDeckerBus/AbstractMap.cs            | 67 ++++++++++++++++++-
 .../DoubleDeckerBus/DrawingObjectBus.cs       |  2 +-
 2 files changed, 65 insertions(+), 4 deletions(-)

diff --git a/DoubleDeckerBus/DoubleDeckerBus/AbstractMap.cs b/DoubleDeckerBus/DoubleDeckerBus/AbstractMap.cs
index 44ac9ad..7ca2613 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/AbstractMap.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/AbstractMap.cs
@@ -1,8 +1,10 @@
 using System;
 using System.Collections.Generic;
 using System.Linq;
+using System.Security.AccessControl;
 using System.Text;
 using System.Threading.Tasks;
+using static System.Windows.Forms.VisualStyles.VisualStyleElement.ScrollBar;
 
 namespace DoubleDeckerBus
 {
@@ -18,6 +20,7 @@ namespace DoubleDeckerBus
         protected readonly int _freeRoad = 0;
         protected readonly int _barrier = 1;
 
+
         public Bitmap CreateMap(int width, int height, IDrawingObject drawningObject)
         {
             _width = width;
@@ -33,10 +36,28 @@ namespace DoubleDeckerBus
         public Bitmap MoveObject(Direction direction)
         {
             // TODO проверка, что объект может переместится в требуемом направлении
-            if (true)
-            {
-                _drawingObject.MoveObject(direction);
+            
+            _drawingObject.MoveObject(direction);
+
+            bool collision = CheckCollision();
+
+            if (collision) {
+                switch (direction) {
+                    case Direction.Left:
+                        _drawingObject.MoveObject(Direction.Right);
+                        break;
+                    case Direction.Right:
+                        _drawingObject.MoveObject(Direction.Left);
+                        break;
+                    case Direction.Up:
+                        _drawingObject.MoveObject(Direction.Down);
+                        break;
+                    case Direction.Down:
+                        _drawingObject.MoveObject(Direction.Up);
+                        break;
+                }
             }
+
             return DrawMapWithObject();
         }
         private bool SetObjectOnMap()
@@ -48,7 +69,15 @@ namespace DoubleDeckerBus
             int x = _random.Next(0, 10);
             int y = _random.Next(0, 10);
             _drawingObject.SetObject(x, y, _width, _height);
+
+
             // TODO првоерка, что объект не "накладывается" на закрытые участки
+          
+            while (CheckCollision()) { 
+                x = _random.Next(0, 10);
+                y = _random.Next(0, 10);
+                _drawingObject.SetObject(x, y, _width, _height);
+            }
             return true;
         }
         private Bitmap DrawMapWithObject()
@@ -75,6 +104,38 @@ namespace DoubleDeckerBus
             }
             _drawingObject.DrawingObject(gr);
             return bmp;
+
+        }
+
+        private bool CheckCollision() {
+            var pos = _drawingObject.GetCurrentPosition();
+            int startX = (int)((pos.Left) / _size_x);
+            int endX = (int)((pos.Right) / _size_x);
+            int startY = (int)((pos.Top) / _size_y);
+            int endY = (int)((pos.Bottom) / _size_y);
+
+            if (startX < 0 || startY < 0 || endX > _map.GetLength(1) || endY > _map.GetLength(0)) { return false; }
+
+           /* startX = (int)((pos.Left - 5) / _size_x);
+            endX = (int)((pos.Right + 5) / _size_x);
+            startY = (int)((pos.Top - 5) / _size_y);
+            endY = (int)((pos.Bottom + 5) / _size_y);*/
+
+            
+
+            for (int y = startY - 1; y <= endY + 1; y++)
+            {
+                for (int x = startX - 1; x <= endX + 1; x++)
+                {
+                    if (_map[x, y] == _barrier)
+                    {
+                        return true;
+                        break;
+                    }
+                }
+            }
+
+            return false;
         }
 
         protected abstract void GenerateMap();
diff --git a/DoubleDeckerBus/DoubleDeckerBus/DrawingObjectBus.cs b/DoubleDeckerBus/DoubleDeckerBus/DrawingObjectBus.cs
index 9c09def..9ed77ea 100644
--- a/DoubleDeckerBus/DoubleDeckerBus/DrawingObjectBus.cs
+++ b/DoubleDeckerBus/DoubleDeckerBus/DrawingObjectBus.cs
@@ -34,7 +34,7 @@ namespace DoubleDeckerBus
 
         void IDrawingObject.DrawingObject(Graphics g)
         {
-            // TODO
+            _bus.DrawTransport(g);
         }
     }
 }