Initial circuits plugin work.

plugins/circuits/src/visuals/ElectronicCircuitNode.cpp

@@ -0,0 +1,72 @@
+#include "ElectronicCircuitNode.h"
+
+#include "TerminalNode.h"
+#include "WireNode.h"
+#include "LogicGateNode.h"
+
+ElectronicCircuitNode::ElectronicCircuitNode(const Transform& transform)
+	: AbstractVisualNode(transform)
+{
+
+}
+
+void ElectronicCircuitNode::setContent(ElectronicCircuit* content)
+{
+	mContent = content;
+	mContentDirty = true;
+}
+
+void ElectronicCircuitNode::createOrUpdateGeometry(SceneInfo* sceneInfo)
+{
+	mInputTerminalNodes.clear();
+	mWireNodes.clear();
+	mLogicGateNodes.clear();
+
+	// Layout terminals
+	double terminal_vertical_spacing = 100;
+	double terminal_left_margin = 10;
+
+	double terminal_y = 0;
+	for (auto terminal : mContent->getInputTerminals())
+	{
+		Point loc{ terminal_left_margin, terminal_y };
+		auto terminal_node = std::make_unique<TerminalNode>(Transform(loc));
+
+		terminal_node->setContent(terminal);
+
+		addChild(terminal_node.get());
+		mInputTerminalNodes.push_back(std::move(terminal_node));
+
+		terminal_y += terminal_vertical_spacing;
+	}
+
+	// Layout logic gates
+	double logic_gate_vertical_spacing = 100;
+	double logic_gate_horizontal_spacing = 100;
+
+	double gate_x = logic_gate_vertical_spacing;
+	double gate_y = 0;
+	for (auto gate : mContent->getLogicGates())
+	{
+		Point loc{ gate_x, gate_y };
+		auto gate_node = std::make_unique<LogicGateNode>(Transform(loc));
+
+		gate_node->setContent(gate);
+
+		addChild(gate_node.get());
+		mLogicGateNodes.push_back(std::move(gate_node));
+
+		gate_x += logic_gate_vertical_spacing;
+		gate_y += logic_gate_horizontal_spacing;
+	}
+
+}
+
+void ElectronicCircuitNode::update(SceneInfo* sceneInfo)
+{
+	if (mContentDirty)
+	{
+		createOrUpdateGeometry(sceneInfo);
+		mContentDirty = false;
+	}
+}