Fixed edit link line being drawn at the wrong depth

src/Editor/CLineRenderable.h

@@ -0,0 +1,45 @@
+#ifndef CLINERENDERABLE
+#define CLINERENDERABLE
+
+#include <Common/CColor.h>
+#include <Math/CVector3f.h>
+#include <Core/Render/CDrawUtil.h>
+#include <Core/Render/CRenderer.h>
+#include <Core/Render/IRenderable.h>
+
+class CLineRenderable : public IRenderable
+{
+    CVector3f mPoints[2];
+    CColor mColor;
+
+public:
+    CLineRenderable() : IRenderable() {}
+
+    inline void SetPoints(const CVector3f& rkPointA, const CVector3f& rkPointB)
+    {
+        mPoints[0] = rkPointA;
+        mPoints[1] = rkPointB;
+    }
+
+    inline void SetColor(const CColor& rkColor)
+    {
+        mColor = rkColor;
+    }
+
+    void AddToRenderer(CRenderer *pRenderer, const SViewInfo& /*rkViewInfo*/)
+    {
+        pRenderer->AddMesh(this, -1, CAABox::skInfinite, false, eDrawMesh);
+    }
+
+    void Draw(FRenderOptions, int, ERenderCommand, const SViewInfo&)
+    {
+        CGraphics::sMVPBlock.ModelMatrix = CMatrix4f::skIdentity;
+        CGraphics::UpdateMVPBlock();
+        glDepthRange(0.f, 1.f);
+        glLineWidth(1.f);
+        CDrawUtil::DrawLine(mPoints[0], mPoints[1], mColor);
+    }
+};
+
+#endif // CLINERENDERABLE
+

src/Editor/CSceneViewport.cpp

@@ -20,6 +20,8 @@ CSceneViewport::CSceneViewport(QWidget *pParent)
     , mpContextMenu(nullptr)
     , mpMenuNode(nullptr)
 {
+    mLinkLine.SetColor(CColor::skYellow);
+
     mpRenderer = new CRenderer();
     mpRenderer->SetClearColor(CColor::skBlack);
     mpRenderer->SetViewportSize(width(), height());
@@ -317,14 +319,8 @@ void CSceneViewport::Paint()
         pGizmo->AddToRenderer(mpRenderer, mViewInfo);
     }
 
-    // Draw the line for the link the user is editing. This is a little hacky but I don't really have a better way to do this atm.
-    if (mLinkLineEnabled)
-    {
-        CGraphics::sMVPBlock.ModelMatrix = CMatrix4f::skIdentity;
-        CGraphics::UpdateMVPBlock();
-        glDepthRange(0.f, 1.f);
-        CDrawUtil::DrawLine(mLinkLinePoints[0], mLinkLinePoints[1], CColor::skYellow);
-    }
+    // Draw the line for the link the user is editing.
+    if (mLinkLineEnabled) mLinkLine.AddToRenderer(mpRenderer, mViewInfo);
 
     mpRenderer->RenderBuckets(mViewInfo);
     mpRenderer->EndFrame();

src/Editor/CSceneViewport.h

@@ -2,6 +2,7 @@
 #define CSCENEVIEWPORT_H
 
 #include "CBasicViewport.h"
+#include "CLineRenderable.h"
 #include "INodeEditor.h"
 
 class CSceneViewport : public CBasicViewport
@@ -41,7 +42,7 @@ class CSceneViewport : public CBasicViewport
 
     // Link Line
     bool mLinkLineEnabled;
-    CVector3f mLinkLinePoints[2];
+    CLineRenderable mLinkLine;
 
 public:
     CSceneViewport(QWidget *pParent = 0);
@@ -62,12 +63,7 @@ public:
     void keyReleaseEvent(QKeyEvent* pEvent);
 
     inline void SetLinkLineEnabled(bool Enable)                                     { mLinkLineEnabled = Enable; }
-
-    inline void SetLinkLine(const CVector3f& rkPointA, const CVector3f& rkPointB)
-    {
-        mLinkLinePoints[0] = rkPointA;
-        mLinkLinePoints[1] = rkPointB;
-    }
+    inline void SetLinkLine(const CVector3f& rkPointA, const CVector3f& rkPointB)   { mLinkLine.SetPoints(rkPointA, rkPointB); }
 
 protected:
     void CreateContextMenu();

src/Editor/Editor.pro

@@ -163,7 +163,8 @@ HEADERS += \
     CharacterEditor/CCharacterEditor.h \
     CharacterEditor/CCharacterEditorViewport.h \
     CGridRenderable.h \
-    CharacterEditor/CSkeletonHierarchyModel.h
+    CharacterEditor/CSkeletonHierarchyModel.h \
+    CLineRenderable.h
 
 # Source Files
 SOURCES += \