From adeb392fcff5c598a186b8c82875dbfe76633b61 Mon Sep 17 00:00:00 2001
From: Barinade <poco0317@users.noreply.github.com>
Date: Sun, 12 Jul 2020 23:35:13 -0500
Subject: [PATCH] Consider filters when getting songs from songutil

most of the time, when it matters
---
 src/Etterna/Models/Songs/SongUtil.cpp         | 30 ++++++++++++++++---
 src/Etterna/Models/Songs/SongUtil.h           |  4 ++-
 .../Models/StepsAndStyles/StepsUtil.cpp       |  4 +--
 3 files changed, 31 insertions(+), 7 deletions(-)

diff --git a/src/Etterna/Models/Songs/SongUtil.cpp b/src/Etterna/Models/Songs/SongUtil.cpp
index 9f635729ae..42fca17a42 100644
--- a/src/Etterna/Models/Songs/SongUtil.cpp
+++ b/src/Etterna/Models/Songs/SongUtil.cpp
@@ -15,6 +15,8 @@
 #include "Etterna/Models/Misc/ThemeMetric.h"
 #include "Etterna/FileTypes/XmlFile.h"
 #include "Etterna/Models/StepsAndStyles/StepsUtil.h"
+#include "Etterna/Singletons/FilterManager.h"
+#include "Etterna/Models/Misc/PlayerState.h"
 
 #include <functional>
 #include <algorithm>
@@ -34,6 +36,7 @@ SongUtil::GetSteps(const Song* pSong,
 				   Difficulty dc,
 				   int iMeterLow,
 				   int iMeterHigh,
+				   bool filteringSteps,
 				   const std::string& sDescription,
 				   const std::string& sCredit,
 				   bool bIncludeAutoGen,
@@ -61,6 +64,22 @@ SongUtil::GetSteps(const Song* pSong,
 		if (uHash != 0 && uHash != pSteps->GetHash())
 			continue;
 
+		if (FILTERMAN != nullptr && FILTERMAN->AnyActiveFilter()) {
+			// iterating over all rates until it just works
+			// explanation in MusicWheel::FilterBySkillsets
+			auto success = false;
+			for (auto currate = FILTERMAN->MaxFilterRate;
+				 currate > FILTERMAN->m_pPlayerState->wtFFF - .01f;
+				 currate -= 0.1f) {
+				if (pSteps->MatchesFilter(currate)) {
+					success = true;
+					break;
+				}
+			}
+			if (!success)
+				continue;
+		}
+
 		arrayAddTo.push_back(pSteps);
 
 		if (iMaxToGet != -1) {
@@ -77,6 +96,7 @@ SongUtil::GetOneSteps(const Song* pSong,
 					  Difficulty dc,
 					  int iMeterLow,
 					  int iMeterHigh,
+					  bool filteringSteps,
 					  const std::string& sDescription,
 					  const std::string& sCredit,
 					  unsigned uHash,
@@ -89,6 +109,7 @@ SongUtil::GetOneSteps(const Song* pSong,
 			 dc,
 			 iMeterLow,
 			 iMeterHigh,
+			 filteringSteps,
 			 sDescription,
 			 sCredit,
 			 bIncludeAutoGen,
@@ -147,7 +168,8 @@ SongUtil::GetStepsByDescription(const Song* pSong,
 								const std::string& sDescription)
 {
 	vector<Steps*> vNotes;
-	GetSteps(pSong, vNotes, st, Difficulty_Invalid, -1, -1, sDescription, "");
+	GetSteps(
+	  pSong, vNotes, st, Difficulty_Invalid, -1, -1, false, sDescription, "");
 	if (vNotes.empty())
 		return nullptr;
 	return vNotes[0];
@@ -159,7 +181,7 @@ SongUtil::GetStepsByCredit(const Song* pSong,
 						   const std::string& sCredit)
 {
 	vector<Steps*> vNotes;
-	GetSteps(pSong, vNotes, st, Difficulty_Invalid, -1, -1, "", sCredit);
+	GetSteps(pSong, vNotes, st, Difficulty_Invalid, -1, -1, false, "", sCredit);
 	if (vNotes.empty())
 		return nullptr;
 	return vNotes[0];
@@ -998,13 +1020,13 @@ SongUtil::GetPlayableStepsTypes(const Song* pSong, set<StepsType>& vOut)
 }
 
 void
-SongUtil::GetPlayableSteps(const Song* pSong, vector<Steps*>& vOut)
+SongUtil::GetPlayableSteps(const Song* pSong, vector<Steps*>& vOut, bool filteringSteps)
 {
 	set<StepsType> vStepsType;
 	GetPlayableStepsTypes(pSong, vStepsType);
 
 	for (const auto& st : vStepsType) {
-		GetSteps(pSong, vOut, st);
+		GetSteps(pSong, vOut, st, Difficulty_Invalid, -1, -1, filteringSteps);
 	}
 
 	StepsUtil::SortNotesArrayByDifficulty(vOut);
diff --git a/src/Etterna/Models/Songs/SongUtil.h b/src/Etterna/Models/Songs/SongUtil.h
index 04f9f02863..b4c1786ca6 100644
--- a/src/Etterna/Models/Songs/SongUtil.h
+++ b/src/Etterna/Models/Songs/SongUtil.h
@@ -27,6 +27,7 @@ GetSteps(const Song* pSong,
 		 Difficulty dc = Difficulty_Invalid,
 		 int iMeterLow = -1,
 		 int iMeterHigh = -1,
+		 bool filteringSteps = false,
 		 const std::string& sDescription = "",
 		 const std::string& sCredit = "",
 		 bool bIncludeAutoGen = true,
@@ -38,6 +39,7 @@ GetOneSteps(const Song* pSong,
 			Difficulty dc = Difficulty_Invalid,
 			int iMeterLow = -1,
 			int iMeterHigh = -1,
+			bool filteringSteps = false,
 			const std::string& sDescription = "",
 			const std::string& sCredit = "",
 			unsigned uHash = 0,
@@ -157,7 +159,7 @@ GetAllSongGenres(vector<std::string>& vsOut);
 void
 GetPlayableStepsTypes(const Song* pSong, std::set<StepsType>& vOut);
 void
-GetPlayableSteps(const Song* pSong, vector<Steps*>& vOut);
+GetPlayableSteps(const Song* pSong, vector<Steps*>& vOut, bool filteringSteps = false);
 auto
 IsStepsTypePlayable(Song* pSong, StepsType st) -> bool;
 auto
diff --git a/src/Etterna/Models/StepsAndStyles/StepsUtil.cpp b/src/Etterna/Models/StepsAndStyles/StepsUtil.cpp
index cb5709be03..f170943ae4 100644
--- a/src/Etterna/Models/StepsAndStyles/StepsUtil.cpp
+++ b/src/Etterna/Models/StepsAndStyles/StepsUtil.cpp
@@ -196,9 +196,9 @@ StepsID::ToSteps(const Song* p, bool bAllowNull) const
 	Steps* pRet = nullptr;
 	if (dc == Difficulty_Edit) {
 		pRet = SongUtil::GetOneSteps(
-		  p, st, dc, -1, -1, sDescription, "", uHash, true);
+		  p, st, dc, -1, -1, false, sDescription, "", uHash, true);
 	} else {
-		pRet = SongUtil::GetOneSteps(p, st, dc, -1, -1, "", "", 0, true);
+		pRet = SongUtil::GetOneSteps(p, st, dc, -1, -1, false, "", "", 0, true);
 	}
 
 	if (!bAllowNull && pRet == nullptr)