From 9210ee464248b9401ceaed73225733f3ffbedae2 Mon Sep 17 00:00:00 2001
From: Kyzentun Keeslala <kyzentun@gmail.com>
Date: Tue, 16 Jan 2018 14:42:36 -0700
Subject: [PATCH] SSM needs to prune unplayable trails out of the selectable
 list in course mode.

---
 src/ScreenSelectMusic.cpp | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/src/ScreenSelectMusic.cpp b/src/ScreenSelectMusic.cpp
index 59f8bbde2e..9e1596c031 100644
--- a/src/ScreenSelectMusic.cpp
+++ b/src/ScreenSelectMusic.cpp
@@ -1885,6 +1885,21 @@ void ScreenSelectMusic::AfterMusicChange()
 			if(pStyle == NULL)
 			{
 				lCourse->GetAllTrails(m_vpTrails);
+				vector<Trail*>::iterator tra= m_vpTrails.begin();
+				Game const* cur_game= GAMESTATE->GetCurrentGame();
+				int num_players= GAMESTATE->GetNumPlayersEnabled();
+				while(tra != m_vpTrails.end())
+				{
+					if(GAMEMAN->GetFirstCompatibleStyle(cur_game, num_players,
+							(*tra)->m_StepsType) == NULL)
+					{
+						tra= m_vpTrails.erase(tra);
+					}
+					else
+					{
+						++tra;
+					}
+				}
 			}
 			else
 			{