From 29d5850b2f44ad520fc89324a110a721ac08841b Mon Sep 17 00:00:00 2001
From: Loic Guegan <manzerbredes@mailbox.org>
Date: Sun, 1 Jan 2023 20:21:23 +0100
Subject: Improve board canvas

---
 src/game_tab/left_panel/GameTabLeftPanel.cpp | 23 +++++++++++++++++++++--
 1 file changed, 21 insertions(+), 2 deletions(-)

(limited to 'src/game_tab/left_panel/GameTabLeftPanel.cpp')

diff --git a/src/game_tab/left_panel/GameTabLeftPanel.cpp b/src/game_tab/left_panel/GameTabLeftPanel.cpp
index 1142e99..fd89791 100644
--- a/src/game_tab/left_panel/GameTabLeftPanel.cpp
+++ b/src/game_tab/left_panel/GameTabLeftPanel.cpp
@@ -21,6 +21,7 @@ GameTabLeftPanel::GameTabLeftPanel(wxFrame *parent, std::shared_ptr<Game> game)
 
   // Configure FEN field
   fen_text_field->SetFont(wxFont(*wxNORMAL_FONT).Bold().Larger());
+  last_move=game->GetCurrentMove();
 
   // Bind events:
   Bind(PLAY_MOVE_EVENT, &GameTabLeftPanel::OnPlay, this, wxID_ANY);
@@ -62,12 +63,12 @@ GameTabLeftPanel::GameTabLeftPanel(wxFrame *parent, std::shared_ptr<Game> game)
 void GameTabLeftPanel::OnPlay(wxCommandEvent &event) {
   wxLogDebug("Game tab received PLAY_MOVE_EVENT");
   if (game->Play(event.GetString().ToStdString())) {
+    Notify(true);
     // Notify other classes
     wxCommandEvent event(GAME_CHANGE, GetId());
     event.SetEventObject(this);
     ProcessEvent(event);
   }
-  Notify(true);
 }
 
 void GameTabLeftPanel::Notify(bool skip_animation) {
@@ -78,10 +79,26 @@ void GameTabLeftPanel::Notify(bool skip_animation) {
   bool animate=false;
   HalfMove *m = game->GetCurrentMove();
   std::string src,dst;
+
+  // Update capture and check if we should to animations during moves change:
   if (m){
     captures = m->GetLineCaptures();
+    if(m->HasParent(last_move)){
+      UNPACK_ABSOLUTE_MOVE(m->GetAbsoluteMove(),src,dst);
+      animate=true;
+    }else if(m->HasChild(last_move)){
+      // Accessing last_move here is safe since it is still
+      // in the tree of moves (since HasChild found it so not deleted)
+      UNPACK_ABSOLUTE_MOVE(last_move->GetAbsoluteMove(),dst,src);
+      animate=true;
+    }
+  } else if(game->GetNextMove()){ // First move animation
+    HalfMove *next=game->GetNextMove();
+    if(next==last_move){
+      UNPACK_ABSOLUTE_MOVE(game->GetNextMove()->GetAbsoluteMove(),dst,src);
+      animate=true;
+    }
   }
-
   
   // Update board canvas:
   if(skip_animation || !animate){
@@ -93,6 +110,8 @@ void GameTabLeftPanel::Notify(bool skip_animation) {
     board_canvas->Animate(chessarbiter::FENParser::Parse(fen).board,
                             game->IsBlackToPlay(), captures,src,dst,repeat);
   }
+  // Update last move
+  last_move=m;
   // Update fen field:
   fen_text_field->SetValue(game->GetFen());
 }
-- 
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