Implemented right click functionality

src/infrastructure/node_manager.zig

@@ -87,8 +87,6 @@ pub const NodeManager = struct {
 
     /// Deletes node, returns error if node still has road references
     pub fn deleteNode(self: *NodeManager, allocator: std.mem.Allocator, node_to_delete: *Node) !void {
-        if (node_to_delete.roads.items.len != 0) return e.Entity.HasReferences;
-
         for (0..self.nodes.items.len) |i| {
             if (self.nodes.items[i] != node_to_delete) continue;
 
@@ -108,6 +106,18 @@ pub const NodeManager = struct {
 
         return null;
     }
+
+    pub fn deleteTempNode(self: *NodeManager, allocator: std.mem.Allocator) void {
+        if (self.temp_node == null) return;
+
+        const node = self.temp_node.?;
+        if (node.roads.items.len == 0)
+            self.deleteNode(allocator, node) catch |err| {
+                std.debug.panic("Failed to delete the temporary node: {}\n", .{err});
+            };
+
+        self.temp_node = null;
+    }
 };
 
 const expect = std.testing.expect;

src/simulator.zig

@@ -114,7 +114,12 @@ pub const Simulator = struct {
 
     /// Sub input handling function for mouse input only
     fn handleMouseInput(self: *Simulator, pos: rl.Vector2) void {
-        if (rl.isMouseButtonReleased(.left)) self.leftClickEvent(pos);
+        if (rl.isMouseButtonReleased(.left)) {
+            self.leftClickEvent(pos);
+            return;
+        }
+
+        if (rl.isMouseButtonReleased(.right)) self.node_man.deleteTempNode(self.allocator);
     }
 
     /// Function that handles functionality that executes upon left click