From 3b11b9d4f3eee5faa656d7ee61077e80726bdc36 Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Mon, 16 Jan 2023 14:55:48 +0100
Subject: Improve openings database code

---
 src/game_tab/Game.cpp | 33 +++++++++++++++++++++++++++++++++
 1 file changed, 33 insertions(+)

(limited to 'src/game_tab/Game.cpp')

diff --git a/src/game_tab/Game.cpp b/src/game_tab/Game.cpp
index 315a4de..9028223 100644
--- a/src/game_tab/Game.cpp
+++ b/src/game_tab/Game.cpp
@@ -131,6 +131,39 @@ bool Game::Play(std::string move,char promotion) {
   return (false);
 }
 
+void Game::GetOpening(std::string &name,std::string &eco){
+  HalfMove *m=current;
+  if(m == nullptr)
+    m=moves;
+  if(m!=nullptr){
+    // First check if opening already set
+    std::string cname,ceco;
+    m->GetOpening(cname,ceco);
+    if(ceco.size()>0){
+      name=cname;
+      eco=ceco;
+    }else {
+      // If not, get the current move line (or first move)
+      // and try to guess opening
+      auto line=m->GetLine(); // Vector of HalfMove
+      std::string pgn;
+      int count=1;
+      for(int i=0;i<line.size();i++){
+        if(i%2==0){
+          pgn+=std::to_string(count)+".";
+          count+=1;
+        }
+        pgn+=line[i]->move +" ";
+      }
+      // If there is a line, try to guess the opening
+      if(pgn.size()>0){
+        wxGetApp().GetBook().GuessOpening(pgn,name,eco);
+        m->SetOpening(name,eco);
+      }
+    }
+  }
+}
+
 void Game::Previous() {
   if (current != nullptr) {
     current = current->GetParent();
-- 
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