From 1e6c7e7f4e4f8e8018b46958b06378d8acee9cae Mon Sep 17 00:00:00 2001
From: Marco <marco.giacomelli@kinship.io>
Date: Tue, 15 Apr 2025 16:51:13 +0200
Subject: [PATCH] Draw room connections

---
 Scripts/Controllers/RogueliteRoomManager.cs |  2 +
 Scripts/UI/Minimap.cs                       | 45 +++++++++++++++++++++
 2 files changed, 47 insertions(+)

diff --git a/Scripts/Controllers/RogueliteRoomManager.cs b/Scripts/Controllers/RogueliteRoomManager.cs
index bce3332a..44065eae 100644
--- a/Scripts/Controllers/RogueliteRoomManager.cs
+++ b/Scripts/Controllers/RogueliteRoomManager.cs
@@ -74,6 +74,8 @@ public partial class RogueliteRoomManager : Node2D
 
     private List<Vector2I> _mainPath = new();
     private List<RoomConnection> _connections = new();
+    
+    public List<RoomConnection> Connections => _connections;
 
     private void GenerateStraightLineDungeon()
     {
diff --git a/Scripts/UI/Minimap.cs b/Scripts/UI/Minimap.cs
index 8a50be4d..3d2fe006 100644
--- a/Scripts/UI/Minimap.cs
+++ b/Scripts/UI/Minimap.cs
@@ -14,6 +14,8 @@ public partial class Minimap : CanvasLayer
 
     private List<RogueliteRoom> SpawnedRooms => RoomManager.SpawnedRooms;
 
+    private List<RoomConnection> Connections => RoomManager.Connections;
+    
     [Export] public int CellSize { get; private set; } = 16;
     [Export] public Vector2 Padding { get; private set; } = new Vector2(20, 20);
 
@@ -89,6 +91,49 @@ public partial class Minimap : CanvasLayer
 
             RenderingServer.CanvasItemAddRect(_canvasItemRid, new Rect2(drawPos, drawSize), color);
         }
+        
+        DrawRoomConnections( Connections, min, offset);
+    }
+    
+    private void DrawRoomConnections(List<RoomConnection> connections, Vector2I minGrid, Vector2 baseOffset)
+    {
+        foreach (var connection in connections)
+        {
+            // Skip if either room is missing
+            if (!RoomGrid.ContainsKey(connection.From) || !RoomGrid.ContainsKey(connection.To))
+                continue;
+
+            // // Calculate center positions of each room
+            // Vector2 from = baseOffset + ((connection.From - minGrid) * (CellSize + (int)Separation)) + new Vector2(CellSize / 2f, CellSize / 2f);
+            // Vector2 to = baseOffset + ((connection.To - minGrid) * (CellSize + (int)Separation)) + new Vector2(CellSize / 2f, Separation / 2f);
+            
+            // Get relative positions of the two rooms
+            Vector2 fromPos = baseOffset + ((connection.From - minGrid) * (CellSize + (int)Separation));
+            Vector2 toPos = baseOffset + ((connection.To - minGrid) * (CellSize + (int)Separation));
+
+            // Determine direction between rooms (assumes adjacent rooms only)
+            Vector2 delta = (toPos - fromPos).Normalized();
+
+            // Midpoint between rooms, where the gap is
+            Vector2 gapCenter = (fromPos + toPos) * 0.5f + new Vector2(CellSize / 2f, CellSize / 2f);
+
+            // Calculate endpoints of the connection line (centered in gap)
+            Vector2 halfGap = delta * (Separation / 2f);
+            Vector2 lineStart = gapCenter - halfGap;
+            Vector2 lineEnd = gapCenter + halfGap;
+
+            // Pick color based on type
+            Color color = Colors.White;
+            if (connection.IsSecret)
+                color = Colors.Purple;
+            else if (connection.IsLocked)
+                color = Colors.Orange;
+
+            float thickness = 1f;
+
+            // Draw the line
+            RenderingServer.CanvasItemAddLine(_canvasItemRid, lineStart, lineEnd, color, thickness);
+        }
     }
 
     private Color GetColorForRoomType(RoomType type)