1 files changed, 14 insertions, 14 deletions

diff --git a/src/game_tab/HalfMove.cpp b/src/game_tab/HalfMove.cpp
index 735f17c..7f19480 100644
--- a/src/game_tab/HalfMove.cpp
+++ b/src/game_tab/HalfMove.cpp
@@ -12,7 +12,7 @@ HalfMove::HalfMove(std::string move_absolute, std::string move_san, std::string
 }
 
 HalfMove::~HalfMove() {
-  if (mainline != NULL) {
+  if (mainline != nullptr) {
     delete mainline;
   }
   for (HalfMove *m : variations) {
@@ -29,7 +29,7 @@ HalfMove::HalfMove(HalfMove *m){
   Number = m->Number;
   nag = m->nag;
   comment=m->comment;
-  if(m->mainline != NULL){
+  if(m->mainline != nullptr){
     SetMainline(new HalfMove(m->mainline));
   }
   for (int i=0; i < m->variations.size(); i++) {
@@ -56,17 +56,17 @@ std::map<char, std::uint8_t> HalfMove::GetLineCaptures() {
       captures[c] = 1;
     }
     m = m->parent;
-  } while (m != NULL);
+  } while (m != nullptr);
   return (captures);
 }
 
 void HalfMove::SetCapture(char c) { capture = c; }
 
 void HalfMove::AddMove(HalfMove *m) {
-  if (this->mainline == NULL) {
+  if (this->mainline == nullptr) {
     SetMainline(m);
   } else {
-    if (mainline != NULL) {
+    if (mainline != nullptr) {
       mainline->AddVariation(m);
     }
   }
@@ -82,7 +82,7 @@ void HalfMove::SetMainline(HalfMove *m) {
   }
   HalfMove::mainline = m;
   cgeditor::CGEHalfMove::MainLine = m;
-  if (m != NULL) {
+  if (m != nullptr) {
     m->SetParent(this);
   }
 }
@@ -105,7 +105,7 @@ void HalfMove::RemoveChild(HalfMove *m) {
     HalfMove::variations.erase(HalfMove::variations.begin() + i);
   }
   if (HalfMove::mainline == m) {
-    HalfMove::mainline = NULL;
+    HalfMove::mainline = nullptr;
   }
   cgeditor::CGEHalfMove::RemoveChild((CGEHalfMove *)m);
 }
@@ -115,7 +115,7 @@ HalfMove *HalfMove::GetParent() { return (parent); }
 HalfMove *HalfMove::GetRoot() {
   HalfMove *m = this;
   HalfMove *p = HalfMove::parent;
-  while (p != NULL) {
+  while (p != nullptr) {
     if (p->mainline != m) {
       return (m);
     }
@@ -143,7 +143,7 @@ HalfMove::HalfMove(pgnp::HalfMove *m) : capture(' ') {
   this->IsBlack = m->isBlack;
   this->comment=m->comment;
   this->Number = m->count;
-  if (m->MainLine != NULL) {
+  if (m->MainLine != nullptr) {
     this->SetMainline(new HalfMove(m->MainLine));
   }
   for (pgnp::HalfMove *v : m->variations) {
@@ -155,10 +155,10 @@ void HalfMove::SetFen(std::string fen) { this->fen = fen; }
 
 void HalfMove::Promote() {
   HalfMove *root = GetRoot();
-  if (root->parent != NULL) {
+  if (root->parent != nullptr) {
     HalfMove *p = root->parent;
     if (p->HalfMove::mainline != root) {
-      if (root->parent->HalfMove::parent != NULL) {
+      if (root->parent->HalfMove::parent != nullptr) {
         HalfMove *pp = root->parent->HalfMove::parent;
         if (pp->HalfMove::mainline == p) {
           pp->HalfMove::SetMainline(root);
@@ -168,7 +168,7 @@ void HalfMove::Promote() {
         }
       }
       if (p->HalfMove::mainline == root) {
-        p->HalfMove::SetMainline(NULL);
+        p->HalfMove::SetMainline(nullptr);
       } else {
         p->HalfMove::RemoveChild(root);
       }
@@ -180,7 +180,7 @@ void HalfMove::Promote() {
 bool HalfMove::IsVariation() {
   HalfMove *m = this;
   HalfMove *p = HalfMove::parent;
-  while (p != NULL) {
+  while (p != nullptr) {
     if (p->mainline != m) {
       return (true);
     }
@@ -208,7 +208,7 @@ void HalfMove::BuildAndVerify(HalfMove *m, std::string fen) {
     m->capture = capture;
   }
   m->fen = arbiter.GetFEN();
-  if (m->mainline != NULL) {
+  if (m->mainline != nullptr) {
     BuildAndVerify(m->mainline, arbiter.GetFEN());
   }
   for (HalfMove *v : m->variations) {