remove depth changes

changing depth between draw modes is a bit confusing to the viewer could revist

PolyAreas must start with 1, 0 = null area in recast.

Engine/source/navigation/duDebugDrawTorque.cpp

@@ -62,7 +62,7 @@ unsigned int duDebugDrawTorque::areaToCol(unsigned int area)
 {
    switch (area)
    {
-      // Ground (0) : light blue
+      // Ground (1) : light blue
    case GroundArea: return duRGBA(0, 192, 255, 255);
       // Water : blue
    case WaterArea: return duRGBA(0, 0, 255, 255);
@@ -94,6 +94,7 @@ void duDebugDrawTorque::begin(duDebugDrawPrimitives prim, float size)
 
    mDesc.setCullMode(GFXCullCW);
    mDesc.setBlend(false);
+   mDesc.setZReadWrite(true);
 }
 
 /// Submit a vertex

Engine/source/navigation/navMesh.cpp

@@ -1534,22 +1534,6 @@ void NavMesh::renderToDrawer()
    {
       NavMesh* n = static_cast<NavMesh*>(no);
 
-      mDbgDraw.depthMask(false);
-
-      if (n->nm && m_drawMode != DRAWMODE_NAVMESH_TRANS)
-      {
-         if (m_drawMode != DRAWMODE_NAVMESH_INVIS)
-            duDebugDrawNavMesh(&mDbgDraw, *n->nm, 0);
-
-         ////const F32 texScale = 1.0f / (n->mCellSize * 10.0f); this draw mode is useless for us.
-         ////duDebugDrawNavMesh(&mDbgDraw, *n->nm, 0);
-         //if (n->m_geo != NULL)
-         //{
-         //   duDebugDrawTriMeshSlope(&mDbgDraw, n->m_geo->getVerts(), n->m_geo->getVertCount(),
-         //      n->m_geo->getTris(), n->m_geo->getNormals(), n->m_geo->getTriCount(), n->mWalkableSlope, texScale);
-         //}
-      }
-
       if (n->nm &&
          (m_drawMode == DRAWMODE_NAVMESH ||
             m_drawMode == DRAWMODE_NAVMESH_TRANS ||
@@ -1558,14 +1542,14 @@ void NavMesh::renderToDrawer()
             m_drawMode == DRAWMODE_NAVMESH_PORTALS ||
             m_drawMode == DRAWMODE_NAVMESH_INVIS))
       {
+         if (m_drawMode != DRAWMODE_NAVMESH_INVIS)
+            duDebugDrawNavMesh(&mDbgDraw, *n->nm, 0);
          if(m_drawMode == DRAWMODE_NAVMESH_BVTREE)
             duDebugDrawNavMeshBVTree(&mDbgDraw, *n->nm);
          if(m_drawMode == DRAWMODE_NAVMESH_PORTALS)
             duDebugDrawNavMeshPortals(&mDbgDraw, *n->nm);
       }
 
-      mDbgDraw.depthMask(true);
-
       for (Tile& tile : n->mTiles)
       {
          if (tile.chf && m_drawMode == DRAWMODE_COMPACT)
@@ -1595,47 +1579,35 @@ void NavMesh::renderToDrawer()
 
          if (tile.cset && m_drawMode == DRAWMODE_RAW_CONTOURS)
          {
-            mDbgDraw.depthMask(false);
             duDebugDrawRawContours(&mDbgDraw, *tile.cset);
-            mDbgDraw.depthMask(true);
          }
 
          if (tile.cset && m_drawMode == DRAWMODE_BOTH_CONTOURS)
          {
-            mDbgDraw.depthMask(false);
             duDebugDrawRawContours(&mDbgDraw, *tile.cset);
             duDebugDrawContours(&mDbgDraw, *tile.cset);
-            mDbgDraw.depthMask(true);
          }
 
          if (tile.cset && m_drawMode == DRAWMODE_CONTOURS)
          {
-            mDbgDraw.depthMask(false);
             duDebugDrawContours(&mDbgDraw, *tile.cset);
-            mDbgDraw.depthMask(true);
          }
 
          if (tile.chf && tile.cset && m_drawMode == DRAWMODE_REGION_CONNECTIONS)
          {
             duDebugDrawCompactHeightfieldRegions(&mDbgDraw, *tile.chf);
 
-            mDbgDraw.depthMask(false);
             duDebugDrawRegionConnections(&mDbgDraw, *tile.cset);
-            mDbgDraw.depthMask(true);
          }
 
          if (tile.pmesh && m_drawMode == DRAWMODE_POLYMESH)
          {
-            mDbgDraw.depthMask(false);
             duDebugDrawPolyMesh(&mDbgDraw, *tile.pmesh);
-            mDbgDraw.depthMask(true);
          }
 
          if (tile.dmesh && m_drawMode == DRAWMODE_POLYMESH_DETAIL)
          {
-            mDbgDraw.depthMask(false);
             duDebugDrawPolyMeshDetail(&mDbgDraw, *tile.dmesh);
-            mDbgDraw.depthMask(true);
          }
 
       }

Engine/source/navigation/torqueRecast.h

@@ -52,7 +52,7 @@ inline void rcCol(unsigned int col, U8 &r, U8 &g, U8 &b, U8 &a)
 }
 
 enum PolyAreas {
-   GroundArea,
+   GroundArea = 1,
    WaterArea,
    OffMeshArea,
    NumAreas