From bec6f657f405cb27939ec42ae35c0cc9d524bbb9 Mon Sep 17 00:00:00 2001
From: Star Rauchenberger <fefferburbia@gmail.com>
Date: Wed, 1 Nov 2023 18:07:04 -0400
Subject: invisible symmetry!

---
 ext/wittle_generator/Generate.cpp |  4 ++++
 ext/wittle_generator/Panel.cpp    | 10 +++++++---
 ext/wittle_generator/Panel.h      |  3 +++
 ext/wittle_generator/Serializer.h |  3 ++-
 4 files changed, 16 insertions(+), 4 deletions(-)

(limited to 'ext/wittle_generator')

diff --git a/ext/wittle_generator/Generate.cpp b/ext/wittle_generator/Generate.cpp
index ed5f2f5..a5c0af9 100644
--- a/ext/wittle_generator/Generate.cpp
+++ b/ext/wittle_generator/Generate.cpp
@@ -136,6 +136,10 @@ void Generate::initPanel() {
   if (pathWidth != 1)
     _panel->pathWidth = pathWidth;  // Init path scale. "1" is considered the
                                     // default, and therefore means no change.
+
+  if (hasFlag(Config::WriteInvisible)) {
+    _panel->SetInvisibleSymmetry(true);
+  }
 }
 
 // Place a specific symbol into the puzzle at the specified location. The
diff --git a/ext/wittle_generator/Panel.cpp b/ext/wittle_generator/Panel.cpp
index 892d4cc..879d205 100644
--- a/ext/wittle_generator/Panel.cpp
+++ b/ext/wittle_generator/Panel.cpp
@@ -225,9 +225,13 @@ std::string Panel::Write() {
   }
 
   serializer.writeInt(0);
-  serializer.writeByte(Serializer::NegationsCancelNegations |
-                       Serializer::PrecisePolyominos |
-                       Serializer::FlashForErrors);
+
+  char settings = Serializer::NegationsCancelNegations |
+                  Serializer::PrecisePolyominos | Serializer::FlashForErrors;
+  if (_invisible_symmetry) {
+    settings |= Serializer::InvisibleSymmetry;
+  }
+  serializer.writeByte(settings);
 
   return serializer.str();
 }
diff --git a/ext/wittle_generator/Panel.h b/ext/wittle_generator/Panel.h
index b8dec2f..95832b5 100644
--- a/ext/wittle_generator/Panel.h
+++ b/ext/wittle_generator/Panel.h
@@ -169,6 +169,8 @@ class Panel {
   int get(int x, int y) { return _grid[x][y]; }
   void set(int x, int y, int val) { _grid[x][y] = val; }
 
+  void SetInvisibleSymmetry(bool val) { _invisible_symmetry = val; }
+
   std::string Write();
 
   enum Style {
@@ -447,6 +449,7 @@ class Panel {
   float minx, miny, maxx, maxy, unitWidth, unitHeight;
   int _style;
   bool _resized;
+  bool _invisible_symmetry = false;
 };
 
 #endif /* end of include guard: PANEL_H_FC471D68 */
diff --git a/ext/wittle_generator/Serializer.h b/ext/wittle_generator/Serializer.h
index 86b262d..6eeb887 100644
--- a/ext/wittle_generator/Serializer.h
+++ b/ext/wittle_generator/Serializer.h
@@ -56,7 +56,8 @@ class Serializer {
     PrecisePolyominos = 4,
     FlashForErrors = 8,
     FatStartpoints = 16,
-    CustomMechanics = 32
+    CustomMechanics = 32,
+    InvisibleSymmetry = 64,
   };
 
   enum GapType : char { GapNone = 0, GapBreak = 1, GapFull = 2 };
-- 
cgit 1.4.1