added play single move replay button with callbacks to the function in replay_controller

data/themes/macros.cfg

@@ -465,10 +465,25 @@
                 yanchor=fixed
             [/action]
         [/add]
+        [add]
+            [action]
+                id=button-nextmove
+                ref=button-nextside
+                type=image
+                image=button_square/button_square_30
+                overlay=icons/action/play_move_30
+                title= _ "Next Move"
+                tooltip= _ "play single move"
+                items=replaynextmove
+                rect="+4,=,+23,="
+                xanchor=fixed
+                yanchor=fixed
+            [/action]
+        [/add]
         [add]
             [menu]
                 id=show-what
-                ref=button-nextside
+                ref=button-nextmove
                 image=button_normal/button_H22
                 title= _ "Point of view"
                 items=replayshowteam1,replayshoweach,replayshoweverything
@@ -591,10 +606,24 @@
                 yanchor=fixed
             [/action]
         [/add]
+        [add]
+            [action]
+                id=button-nextmove
+                ref=button-nextside
+                type=image
+                image=classic/play-move
+                title= _ "Next Move"
+                tooltip= _ "play single move"
+                items=replaynextmove
+                rect="+4,=,+23,="
+                xanchor=fixed
+                yanchor=fixed
+            [/action]
+        [/add]
         [add]
             [menu]
                 id=show-what
-                ref=button-nextside
+                ref=button-nextmove
                 image=classic/lite
                 title= _ "Point of view"
                 items=replayshowteam1,replayshoweach,replayshoweverything

src/hotkey/command_executor.cpp

@@ -209,6 +209,9 @@ bool command_executor::execute_command(const hotkey_command&  cmd, int /*index*/
 		case HOTKEY_REPLAY_NEXT_SIDE:
 			replay_next_side();
 			break;
+		case HOTKEY_REPLAY_NEXT_MOVE:
+			replay_next_move();
+			break;
 		case HOTKEY_REPLAY_SHOW_EVERYTHING:
 			replay_show_everything();
 			break;

src/hotkey/command_executor.hpp

@@ -84,6 +84,7 @@ public:
 	virtual void stop_replay() {}
 	virtual possible_end_play_signal replay_next_turn() { return boost::none; }
 	virtual possible_end_play_signal replay_next_side() { return boost::none; }
+	virtual possible_end_play_signal replay_next_move() { return boost::none; }
 	virtual void replay_show_everything() {}
 	virtual void replay_show_each() {}
 	virtual void replay_show_team1() {}

src/hotkey/hotkey_command.cpp

@@ -100,6 +100,7 @@ hotkey::hotkey_command_temp hotkey_list_[] = {
 	{ hotkey::HOTKEY_REPLAY_STOP, "stopreplay", N_("Stop Replay"), false, scope_game, "" },
 	{ hotkey::HOTKEY_REPLAY_NEXT_TURN, "replaynextturn", N_("Next Turn"), false, scope_game, "" },
 	{ hotkey::HOTKEY_REPLAY_NEXT_SIDE, "replaynextside", N_("Next Side"), false, scope_game, "" },
+	{ hotkey::HOTKEY_REPLAY_NEXT_MOVE, "replaynextmove", N_("Next Move"), false, scope_game, "" },
 	{ hotkey::HOTKEY_REPLAY_SHOW_EVERYTHING, "replayshoweverything", N_("Full Map"), false, scope_game, "" },
 	{ hotkey::HOTKEY_REPLAY_SHOW_EACH, "replayshoweach", N_("Each Team"), false, scope_game, "" },
 	{ hotkey::HOTKEY_REPLAY_SHOW_TEAM1, "replayshowteam1", N_("Team 1"), false, scope_game, "" },

src/hotkey/hotkey_command.hpp

@@ -56,7 +56,7 @@ enum HOTKEY_COMMAND {
 
 	// Replay
 	HOTKEY_REPLAY_PLAY, HOTKEY_REPLAY_RESET, HOTKEY_REPLAY_STOP, HOTKEY_REPLAY_NEXT_TURN,
-	HOTKEY_REPLAY_NEXT_SIDE, HOTKEY_REPLAY_SHOW_EVERYTHING,
+	HOTKEY_REPLAY_NEXT_SIDE, HOTKEY_REPLAY_NEXT_MOVE, HOTKEY_REPLAY_SHOW_EVERYTHING,
 	HOTKEY_REPLAY_SHOW_EACH, HOTKEY_REPLAY_SHOW_TEAM1,
 	HOTKEY_REPLAY_SKIP_ANIMATION,