[Bf-blender-cvs] [f60100b8ca4] soc-2021-adaptive-cloth: adaptive_cloth: operator << overload for debug printing

[ishbosamiya]

Commit: f60100b8ca4d8287e9b620b1a79d1fd3aae244c7
Author: ishbosamiya
Date:   Thu Jun 24 12:05:19 2021 +0530
Branches: soc-2021-adaptive-cloth
https://developer.blender.org/rBf60100b8ca4d8287e9b620b1a79d1fd3aae244c7

adaptive_cloth: operator << overload for debug printing

===================================================================

M	source/blender/blenkernel/BKE_cloth_remesh.hh
M	source/blender/blenlib/BLI_generational_arena.hh

===================================================================

diff --git a/source/blender/blenkernel/BKE_cloth_remesh.hh b/source/blender/blenkernel/BKE_cloth_remesh.hh
index 1d97503a147..a5856a7e4dc 100644
--- a/source/blender/blenkernel/BKE_cloth_remesh.hh
+++ b/source/blender/blenkernel/BKE_cloth_remesh.hh
@@ -49,6 +49,7 @@ void BKE_cloth_remesh(const struct Object *ob,
 #  include <bits/stdint-uintn.h>
 #  include <filesystem>
 #  include <fstream>
+#  include <iostream>
 #  include <istream>
 #  include <limits>
 #  include <sstream>
@@ -84,6 +85,27 @@ using EdgeVerts = std::tuple<VertIndex, VertIndex>;
 
 using usize = uint64_t;
 
+template<typename T> std::ostream &operator<<(std::ostream &stream, const blender::Vector<T> &vec)
+{
+  stream << "(";
+  for (const auto &i : vec) {
+    stream << i << ", ";
+  }
+  stream << "\b\b)";
+  return stream;
+}
+
+template<typename T> std::ostream &operator<<(std::ostream &stream, const std::optional<T> &option)
+{
+  if (option) {
+    stream << "Some(" << option << ")";
+  }
+  else {
+    stream << "None";
+  }
+  return stream;
+}
+
 /**
  * `Node`: Stores the worldspace/localspace coordinates of the
  * `Mesh`. Commonly called the vertex of the mesh (note: in this mesh
@@ -110,6 +132,13 @@ template<typename T> class Node {
     this->extra_data = extra_data;
   }
 
+  friend std::ostream &operator<<(std::ostream &stream, const Node &node)
+  {
+    stream << "(" << node.self_index << ", " << node.verts << ", " << node.pos << ","
+           << node.normal << ")";
+    return stream;
+  }
+
   template<typename, typename, typename, typename> friend class Mesh;
 };
 
@@ -143,6 +172,13 @@ template<typename T> class Vert {
     this->extra_data = extra_data;
   }
 
+  friend std::ostream &operator<<(std::ostream &stream, const Vert &vert)
+  {
+    stream << "(" << vert.self_index << ", " << vert.edges << ", " << vert.node << "," << vert.uv
+           << ")";
+    return stream;
+  }
+
   template<typename, typename, typename, typename> friend class Mesh;
 };
 
@@ -189,6 +225,17 @@ template<typename T> class Edge {
     return false;
   }
 
+  const auto &get_faces() const
+  {
+    return this->faces;
+  }
+
+  friend std::ostream &operator<<(std::ostream &stream, const Edge &edge)
+  {
+    stream << "(" << edge.self_index << ", " << edge.faces << ", " << edge.verts << ")";
+    return stream;
+  }
+
   template<typename, typename, typename, typename> friend class Mesh;
 };
 
@@ -221,6 +268,17 @@ template<typename T> class Face {
     this->extra_data = extra_data;
   }
 
+  const auto &get_verts() const
+  {
+    return this->verts;
+  }
+
+  friend std::ostream &operator<<(std::ostream &stream, const Face &face)
+  {
+    stream << "(" << face.self_index << ", " << face.verts << ", " << face.normal << ")";
+    return stream;
+  }
+
   template<typename, typename, typename, typename> friend class Mesh;
 };
 
diff --git a/source/blender/blenlib/BLI_generational_arena.hh b/source/blender/blenlib/BLI_generational_arena.hh
index 94738881404..ed065256c53 100644
--- a/source/blender/blenlib/BLI_generational_arena.hh
+++ b/source/blender/blenlib/BLI_generational_arena.hh
@@ -105,6 +105,12 @@ class Index {
     return std::make_tuple(this->index, this->generation);
   }
 
+  friend std::ostream &operator<<(std::ostream &stream, const Index &index)
+  {
+    stream << "(" << index.index << ", " << index.generation << ")";
+    return stream;
+  }
+
   template<typename, int64_t, typename> friend class Arena;
 };