From 6ec8cc216282396ece535941ea6ca4a63d924e8f Mon Sep 17 00:00:00 2001
From: rtk0c <mail.tianyig@gmail.com>
Date: Sun, 9 May 2021 18:00:18 -0700
Subject: Restore connection mechanism to simple one-to-one mode

---
 core/src/Model/Workflow/Workflow.hpp | 28 ++++------------------------
 1 file changed, 4 insertions(+), 24 deletions(-)

(limited to 'core/src/Model/Workflow/Workflow.hpp')

diff --git a/core/src/Model/Workflow/Workflow.hpp b/core/src/Model/Workflow/Workflow.hpp
index 77341fa..7bcd349 100644
--- a/core/src/Model/Workflow/Workflow.hpp
+++ b/core/src/Model/Workflow/Workflow.hpp
@@ -19,34 +19,17 @@ class WorkflowConnection
 public:
 	static constexpr auto kInvalidId = std::numeric_limits<size_t>::max();
 
-	enum Direction
-	{
-		ManyToOne,
-		OneToMany,
-	};
-
-	struct ConnectionPoint
-	{
-		size_t Node;
-		int Pin;
-
-		bool operator==(const ConnectionPoint&) const = default;
-	};
-
-	std::vector<ConnectionPoint> MultiConnections;
 	/// Used for `LinkId` when interfacing with imgui node editor. Runtime only (not saved to disk and generated when loading).
 	size_t UniqueId;
-	ConnectionPoint SingleConnection;
-	Direction ConnectionDirection;
+	size_t SourceNode;
+	size_t DestinationNode;
+	int SourcePin;
+	int DestinationPin;
 
 public:
 	WorkflowConnection();
 
 	bool IsValid() const;
-	std::span<ConnectionPoint> GetSourcePoints();
-	std::span<const ConnectionPoint> GetSourcePoints() const;
-	std::span<ConnectionPoint> GetDestinationPoints();
-	std::span<const ConnectionPoint> GetDestinationPoints() const;
 
 	void DrawDebugInfo() const;
 	void ReadFrom(std::istream& stream);
@@ -89,13 +72,11 @@ protected:
 		size_t Connection = WorkflowConnection::kInvalidId;
 		BaseValue::Kind MatchingType = BaseValue::InvalidKind;
 		bool ConnectionToConst = false;
-		bool AllowsMultipleConnections = false;
 
 		/// A constant connection connects from a user-specified constant value, feeding to a valid \c Destination and \c DestinationPin (i.e. input pins).
 		bool IsConstantConnection() const;
 		bool IsConnected() const;
 		BaseValue::Kind GetMatchingType() const;
-		WorkflowConnection::Direction GetSupportedDirection() const;
 	};
 
 	struct OutputPin
@@ -108,7 +89,6 @@ protected:
 
 		bool IsConnected() const;
 		BaseValue::Kind GetMatchingType() const;
-		WorkflowConnection::Direction GetSupportedDirection() const;
 	};
 
 	friend class Workflow;
-- 
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