1 files changed, 156 insertions, 0 deletions
diff --git a/Runtime/Misc/DebugUtility.cpp b/Runtime/Misc/DebugUtility.cpp
new file mode 100644
index 0000000..881c271
--- /dev/null
+++ b/Runtime/Misc/DebugUtility.cpp
@@ -0,0 +1,156 @@
+#include "UnityPrefix.h"
+
+#if UNITY_EDITOR
+
+#include "DebugUtility.h"
+#include "Editor/Src/Gizmos/GizmoUtil.h"
+#include "Runtime/Math/Color.h"
+#include "Runtime/Math/Vector3.h"
+#include "Runtime/Input/TimeManager.h"
+#include "Runtime/BaseClasses/IsPlaying.h"
+#include "Editor/Src/Gizmos/GizmoManager.h"
+#include "Editor/Src/Gizmos/GizmoRenderer.h"
+#include <vector>
+#include "Runtime/Utilities/InitializeAndCleanup.h"
+
+using namespace std;
+
+class DebugLineRenderer 
+{
+public:
+
+	void AddLine (const Vector3f& v0, const Vector3f& v1, const ColorRGBAf& color, double durationSeconds, bool depthTest)
+	{
+		// We do not support timed debug lines in edit mode
+		if (!IsWorldPlaying ())
+			durationSeconds = 0.0;
+
+		Line l;
+		l.start = v0; 
+		l.end = v1; 
+		l.color = color;
+		l.depthTest = depthTest;
+		if (durationSeconds > 0.0)
+		{
+			// We use game time (CurTime) to be able to pause game and investigate debug lines.
+			l.removeTime = GetTimeManager ().GetCurTime () + durationSeconds;  
+			m_TimedLines.push_back (l);
+		}
+		else
+		{
+			l.removeTime = -1.0;
+			if (GetTimeManager ().IsUsingFixedTimeStep ())
+				m_FixedStepLines.push_back (l);
+			else
+				m_DynamicStepLines.push_back (l);
+		}
+	}
+
+	void Clear ()
+	{
+		if (GetTimeManager ().IsUsingFixedTimeStep ())
+		{
+			m_FixedStepLines.clear ();
+		}
+		else
+		{
+			m_DynamicStepLines.clear ();
+
+			if (!m_TimedLines.empty())
+			{
+				float curTime = GetTimeManager ().GetCurTime ();
+				list<Line>::iterator it = m_TimedLines.begin();
+				while (it != m_TimedLines.end())
+				{
+					if (curTime >= it->removeTime)
+						it = m_TimedLines.erase (it);
+					else
+						it++;
+				}
+			}
+		}
+	}
+
+	void ClearAll ()
+	{
+		m_DynamicStepLines.clear ();
+		m_FixedStepLines.clear ();
+		m_TimedLines.clear ();
+	}
+
+	void Draw () const
+	{
+		for (unsigned i=0; i<m_FixedStepLines.size(); ++i)
+		{
+			const Line& line = m_FixedStepLines[i];
+			gizmos::g_GizmoColor = line.color;
+			DrawLine(line.start, line.end, line.depthTest);
+		}
+		for (unsigned i=0; i<m_DynamicStepLines.size(); ++i)
+		{
+			const Line& line = m_DynamicStepLines[i];
+			gizmos::g_GizmoColor = line.color;
+			DrawLine(line.start, line.end, line.depthTest);
+		}
+
+		for (list<Line>::const_iterator it = m_TimedLines.begin(); it != m_TimedLines.end(); it++)
+		{
+			const Line& line = *it;
+			gizmos::g_GizmoColor = line.color;
+			DrawLine(line.start, line.end, line.depthTest);
+		}
+	}
+	static DebugLineRenderer& Get ();
+	static void StaticDestroy();
+private:	
+	struct Line
+	{
+		Vector3f start;
+		Vector3f end;
+		ColorRGBAf color;
+		double removeTime;
+		bool depthTest;
+	};
+	list<Line> m_TimedLines;
+	vector<Line> m_FixedStepLines;
+	vector<Line> m_DynamicStepLines;
+
+};
+
+static RegisterRuntimeInitializeAndCleanup gDebugLineRendererInstance(NULL, DebugLineRenderer::StaticDestroy);
+static DebugLineRenderer* g_DebugLineRenderer = NULL;
+
+void DebugLineRenderer::StaticDestroy()
+{
+	if(g_DebugLineRenderer)
+		UNITY_DELETE(g_DebugLineRenderer, kMemEditorUtility);
+}
+
+DebugLineRenderer& DebugLineRenderer::Get ()
+{
+	if(g_DebugLineRenderer == NULL)
+		g_DebugLineRenderer = UNITY_NEW_AS_ROOT(DebugLineRenderer,kMemEditorUtility, "Manager", "DebugLineRenderer");
+	return *g_DebugLineRenderer;
+}
+
+void ClearLines ()
+{
+	DebugLineRenderer::Get ().Clear ();
+}
+
+void ClearAllLines ()
+{
+	DebugLineRenderer::Get ().ClearAll ();
+}
+
+void DrawDebugLinesGizmo ()
+{	
+	DebugLineRenderer::Get ().Draw ();
+}
+
+void DebugDrawLine (const Vector3f& p0, const Vector3f& p1, const ColorRGBAf& color, double durationSeconds /*=0.0*/, bool depthTest /*=true*/)
+{
+	DebugLineRenderer::Get ().AddLine (p0, p1, color, durationSeconds, depthTest);
+}
+
+#endif