add Duel.GetLastSelectHint (#596)

field.h

@@ -303,6 +303,7 @@ struct processor {
 	int32 summon_count[2]{};
 	uint8 extra_summon[2]{};
 	int32 spe_effect[2]{};
+	int32 last_select_hint[2]{ 0 };
 	int32 duel_options{ 0 };
 	int32 duel_rule{ CURRENT_RULE };	//current rule: 5, Master Rule 2020
 	uint32 copy_reset{ 0 };

libduel.cpp

@@ -3703,12 +3703,24 @@ int32 scriptlib::duel_hint(lua_State * L) {
 	if(htype == HINT_OPSELECTED)
 		playerid = 1 - playerid;
 	duel* pduel = interpreter::get_duel_info(L);
+	if(htype == HINT_SELECTMSG)
+		pduel->game_field->core.last_select_hint[playerid] = desc;
 	pduel->write_buffer8(MSG_HINT);
 	pduel->write_buffer8(htype);
 	pduel->write_buffer8(playerid);
 	pduel->write_buffer32(desc);
 	return 0;
 }
+int32 scriptlib::duel_get_last_select_hint(lua_State* L) {
+	duel* pduel = interpreter::get_duel_info(L);
+	uint8 playerid = pduel->game_field->core.reason_player;
+	if(lua_gettop(L) >= 1)
+		playerid = (uint8)lua_tointeger(L, 1);
+	if(playerid != 0 && playerid != 1)
+		return 0;
+	lua_pushinteger(L, pduel->game_field->core.last_select_hint[playerid]);
+	return 1;
+}
 int32 scriptlib::duel_hint_selection(lua_State *L) {
 	check_param_count(L, 1);
 	check_param(L, PARAM_TYPE_GROUP, 1);
@@ -4963,6 +4975,7 @@ static const struct luaL_Reg duellib[] = {
 	{ "CheckRemoveOverlayCard", scriptlib::duel_check_remove_overlay_card },
 	{ "RemoveOverlayCard", scriptlib::duel_remove_overlay_card },
 	{ "Hint", scriptlib::duel_hint },
+	{ "GetLastSelectHint", scriptlib::duel_get_last_select_hint },
 	{ "HintSelection", scriptlib::duel_hint_selection },
 	{ "SelectEffectYesNo", scriptlib::duel_select_effect_yesno },
 	{ "SelectYesNo", scriptlib::duel_select_yesno },

scriptlib.h

@@ -569,6 +569,7 @@ public:
 	static int32 duel_remove_overlay_card(lua_State *L);
 
 	static int32 duel_hint(lua_State *L);
+	static int32 duel_get_last_select_hint(lua_State *L);
 	static int32 duel_hint_selection(lua_State *L);
 	static int32 duel_select_effect_yesno(lua_State *L);
 	static int32 duel_select_yesno(lua_State *L);