diff --git a/lib/al/include/Library/Camera/CameraDirector.h b/lib/al/include/Library/Camera/CameraDirector.h
index 1bb2cfe0..b0ad6404 100644
--- a/lib/al/include/Library/Camera/CameraDirector.h
+++ b/lib/al/include/Library/Camera/CameraDirector.h
@@ -98,8 +98,8 @@ private:
     CameraParamTransfer* mParamTransfer;
     const CameraResourceHolder* mCameraResourceHolder;
     CameraFlagCtrl* mFlagCtrl;
-    void* customThing;
+    void* unk;
     CameraInSwitchOnAreaDirector* mInSwitchOnAreaDirector;
-    void* anotherCustomThing;
+    void* unk2;
 };
 }  // namespace al
diff --git a/lib/al/include/Library/Camera/SnapShotCameraCtrl.h b/lib/al/include/Library/Camera/SnapShotCameraCtrl.h
index a48243c4..604339e6 100644
--- a/lib/al/include/Library/Camera/SnapShotCameraCtrl.h
+++ b/lib/al/include/Library/Camera/SnapShotCameraCtrl.h
@@ -7,8 +7,8 @@
 #include "Library/Yaml/ByamlIter.h"
 
 struct CameraParam {
-    bool gotMin;
-    bool gotMax;
+    bool mHasMin;
+    bool mHasMax;
     f32 mMinFovyDegree;
     f32 mMaxFovyDegree;
 };
@@ -37,16 +37,16 @@ private:
     CameraParam* mParam;
     bool mIsValidLookAtOffset;
     sead::Vector3f mLookAtOffset;
-    sead::Vector3f vVar1;
+    sead::Vector3f unk1;
     bool mIsValidZoomFovy;
     f32 mFovyDegree;
-    f32 fVar2;
-    f32 fVar3;
+    f32 unk2;
+    f32 unk3;
     f32 mMaxZoomOutFovyDegree;
     bool mIsValidRoll;
     f32 mRollDegree;
     f32 mRollTarget;
-    u32 uVar2;
-    bool bVar1;
+    u32 unk4;
+    bool unk5;
 };
 }  // namespace al
diff --git a/lib/al/include/Library/LiveActor/ActorPoseKeeper.h b/lib/al/include/Library/LiveActor/ActorPoseKeeper.h
index 6a1c7fed..31213ed6 100644
--- a/lib/al/include/Library/LiveActor/ActorPoseKeeper.h
+++ b/lib/al/include/Library/LiveActor/ActorPoseKeeper.h
@@ -34,7 +34,7 @@ public:
     virtual void calcBaseMtx(sead::Matrix34f* mtx) const = 0;
 
 protected:  // protected so it's visible to all sub-classes (TFSV, TFGSV, ...)
-    sead::Vector3f mTrans{0, 0, 0};
+    sead::Vector3f mTrans = {0, 0, 0};
 
     static sead::Vector3f sDefaultVelocity;
 };
@@ -57,8 +57,8 @@ public:
 
 protected:  // protected so it's visible to all sub-classes (TFGSV, TFUSV)
     sead::Vector3f mFront = sead::Vector3f::ez;
-    sead::Vector3f mScale{1.0, 1.0, 1.0};
-    sead::Vector3f mVelocity{0.0, 0.0, 0.0};
+    sead::Vector3f mScale = {1.0, 1.0, 1.0};
+    sead::Vector3f mVelocity = {0.0, 0.0, 0.0};
 };
 
 class ActorPoseKeeperTFGSV : public ActorPoseKeeperTFSV {
@@ -74,7 +74,7 @@ public:
     void calcBaseMtx(sead::Matrix34f* mtx) const override;
 
 private:
-    sead::Vector3f mGravity{0.0, -1.0, 0.0};
+    sead::Vector3f mGravity = {0.0, -1.0, 0.0};
 };
 
 class ActorPoseKeeperTFUSV : public ActorPoseKeeperTFSV {
@@ -112,8 +112,8 @@ public:
 
 private:
     sead::Quatf mQuat = sead::Quatf::unit;
-    sead::Vector3f mScale{1.0, 1.0, 1.0};
-    sead::Vector3f mVelocity{0.0, 0.0, 0.0};
+    sead::Vector3f mScale = {1.0, 1.0, 1.0};
+    sead::Vector3f mVelocity = {0.0, 0.0, 0.0};
 };
 
 class ActorPoseKeeperTQGSV : public ActorPoseKeeperBase {
@@ -136,9 +136,9 @@ public:
 
 private:
     sead::Quatf mQuat = sead::Quatf::unit;
-    sead::Vector3f mGravity{0.0, -1.0, 0.0};
-    sead::Vector3f mScale{1.0, 1.0, 1.0};
-    sead::Vector3f mVelocity{0.0, 0.0, 0.0};
+    sead::Vector3f mGravity = {0.0, -1.0, 0.0};
+    sead::Vector3f mScale = {1.0, 1.0, 1.0};
+    sead::Vector3f mVelocity = {0.0, 0.0, 0.0};
 };
 
 class ActorPoseKeeperTQGMSV : public ActorPoseKeeperBase {
@@ -163,9 +163,9 @@ public:
 
 private:
     sead::Quatf mQuat = sead::Quatf::unit;
-    sead::Vector3f mGravity{0.0, -1.0, 0.0};
-    sead::Vector3f mScale{1.0, 1.0, 1.0};
-    sead::Vector3f mVelocity{0.0, 0.0, 0.0};
+    sead::Vector3f mGravity = {0.0, -1.0, 0.0};
+    sead::Vector3f mScale = {1.0, 1.0, 1.0};
+    sead::Vector3f mVelocity = {0.0, 0.0, 0.0};
     sead::Matrix34f mMtx = sead::Matrix34f::ident;
 };
 
@@ -186,9 +186,9 @@ public:
     void calcBaseMtx(sead::Matrix34f* mtx) const override;
 
 private:
-    sead::Vector3f mRotate{0.0, 0.0, 0.0};
-    sead::Vector3f mScale{1.0, 1.0, 1.0};
-    sead::Vector3f mVelocity{0.0, 0.0, 0.0};
+    sead::Vector3f mRotate = {0.0, 0.0, 0.0};
+    sead::Vector3f mScale = {1.0, 1.0, 1.0};
+    sead::Vector3f mVelocity = {0.0, 0.0, 0.0};
 };
 
 class ActorPoseKeeperTRMSV : public ActorPoseKeeperBase {
@@ -210,9 +210,9 @@ public:
     void calcBaseMtx(sead::Matrix34f* mtx) const override;
 
 private:
-    sead::Vector3f mRotate{0.0, 0.0, 0.0};
-    sead::Vector3f mScale{1.0, 1.0, 1.0};
-    sead::Vector3f mVelocity{0.0, 0.0, 0.0};
+    sead::Vector3f mRotate = {0.0, 0.0, 0.0};
+    sead::Vector3f mScale = {1.0, 1.0, 1.0};
+    sead::Vector3f mVelocity = {0.0, 0.0, 0.0};
     sead::Matrix34f mMtx;  // manually set in the ctor
 };
 
@@ -237,10 +237,10 @@ public:
     void calcBaseMtx(sead::Matrix34f* mtx) const override;
 
 private:
-    sead::Vector3f mRotate{0.0, 0.0, 0.0};
-    sead::Vector3f mGravity{0.0, -1.0, 0.0};
-    sead::Vector3f mScale{1.0, 1.0, 1.0};
-    sead::Vector3f mVelocity{0.0, 0.0, 0.0};
+    sead::Vector3f mRotate = {0.0, 0.0, 0.0};
+    sead::Vector3f mGravity = {0.0, -1.0, 0.0};
+    sead::Vector3f mScale = {1.0, 1.0, 1.0};
+    sead::Vector3f mVelocity = {0.0, 0.0, 0.0};
     sead::Matrix34f mMtx;
 };
 
diff --git a/lib/al/include/Library/Play/Camera/CameraVerticalAbsorber.h b/lib/al/include/Library/Play/Camera/CameraVerticalAbsorber.h
index e4c7acb0..c4dd50e1 100644
--- a/lib/al/include/Library/Play/Camera/CameraVerticalAbsorber.h
+++ b/lib/al/include/Library/Play/Camera/CameraVerticalAbsorber.h
@@ -44,7 +44,7 @@ private:
     f32 mAbsorbScreenPosDown;
     bool mAdvanceAbsorbUp;
     f32 mAdvanceAbsorbScreenPosUp;
-    bool isExistCollisionUnderTarget;
+    bool mIsExistCollisionUnderTarget;
     sead::Vector3f mUnderTargetCollisionPos;
     sead::Vector3f mUnderTargetCollisionNormal;
     f32 mLerp2;
@@ -54,11 +54,11 @@ private:
     sead::Vector3f mPrevTargetTrans;
     sead::Vector3f mTargetFront;
     sead::Vector3f mPrevTargetFront;
-    bool isNoCameraPosAbsorb;
-    bool isInvalidated;
-    bool unusedBool;
-    bool isStopUpdate;
-    bool isKeepInFrame;
+    bool mIsNoCameraPosAbsorb;
+    bool mIsInvalidated;
+    bool mUnusedBool;
+    bool mIsStopUpdate;
+    bool mIsKeepInFrame;
 };
 static_assert(sizeof(CameraVerticalAbsorber) == 0x1B0);
 
diff --git a/lib/al/include/Library/Rail/Rail.h b/lib/al/include/Library/Rail/Rail.h
index 046b358a..4ee392c5 100644
--- a/lib/al/include/Library/Rail/Rail.h
+++ b/lib/al/include/Library/Rail/Rail.h
@@ -39,7 +39,7 @@ private:
     RailPart* mRailPart = nullptr;
     s32 mRailPartCount = 0;
     s32 mRailPointsCount = 0;
-    bool isClosed = false;
+    bool mIsClosed = false;
 };
 
 }  // namespace al
diff --git a/lib/al/include/Library/Shadow/DepthShadowMapCtrl.h b/lib/al/include/Library/Shadow/DepthShadowMapCtrl.h
index 7cfaae9b..d4ba99a3 100644
--- a/lib/al/include/Library/Shadow/DepthShadowMapCtrl.h
+++ b/lib/al/include/Library/Shadow/DepthShadowMapCtrl.h
@@ -37,7 +37,7 @@ public:
 
 private:
     LiveActor* mLiveActor;
-    sead::Vector3f lightDir;
+    sead::Vector3f mLightDir;
     bool mIsAppendSubActor;
     sead::PtrArray<DepthShadowMapInfo> mDepthShadowMaps;
     sead::PtrArray<ModelDrawerDepthShadowMap> mModelDrawerDepthShadowMaps;
diff --git a/lib/al/include/Library/Yaml/ByamlData.h b/lib/al/include/Library/Yaml/ByamlData.h
index 165ed1f1..4b78f83a 100755
--- a/lib/al/include/Library/Yaml/ByamlData.h
+++ b/lib/al/include/Library/Yaml/ByamlData.h
@@ -68,7 +68,7 @@ public:
 
 private:
     const u8* mData;
-    bool isRev;
+    bool mIsRev;
 };
 
 class ByamlArrayIter {
@@ -84,6 +84,6 @@ public:
 
 private:
     const u8* mData;
-    bool isRev;
+    bool mIsRev;
 };
 }  // namespace al
diff --git a/lib/al/include/Library/Yaml/ByamlHeader.h b/lib/al/include/Library/Yaml/ByamlHeader.h
index 78078117..12bdc0a3 100755
--- a/lib/al/include/Library/Yaml/ByamlHeader.h
+++ b/lib/al/include/Library/Yaml/ByamlHeader.h
@@ -40,7 +40,7 @@ public:
 
 private:
     const u8* mData = nullptr;
-    bool isRev = false;
+    bool mIsRev = false;
 };
 }  // namespace al
 
diff --git a/lib/al/include/Library/Yaml/Writer/ByamlWriterData.h b/lib/al/include/Library/Yaml/Writer/ByamlWriterData.h
index d25085bb..305ecf40 100644
--- a/lib/al/include/Library/Yaml/Writer/ByamlWriterData.h
+++ b/lib/al/include/Library/Yaml/Writer/ByamlWriterData.h
@@ -224,8 +224,8 @@ public:
     ByamlWriterData* getValue() { return mValue; }
 
 private:
-    void* selfReference = this;
-    void* test2 = nullptr;
+    void* mSelfReference = this;
+    void* unk = nullptr;
     const char* mKey;
     ByamlWriterData* mValue;
 };
diff --git a/lib/al/include/Project/Item/ActorScoreKeeper.h b/lib/al/include/Project/Item/ActorScoreKeeper.h
index b54d7aa6..12a6d3fe 100644
--- a/lib/al/include/Project/Item/ActorScoreKeeper.h
+++ b/lib/al/include/Project/Item/ActorScoreKeeper.h
@@ -22,7 +22,7 @@ private:
     inline void allocArray();
     inline void putEntry(s32 index, const ByamlIter& iter);
 
-    Entry* array;
-    s32 size;
+    Entry* mArray;
+    s32 mSize;
 };
 }  // namespace al
diff --git a/lib/al/src/Library/Camera/SnapShotCameraCtrl.cpp b/lib/al/src/Library/Camera/SnapShotCameraCtrl.cpp
index 81005417..028581ec 100644
--- a/lib/al/src/Library/Camera/SnapShotCameraCtrl.cpp
+++ b/lib/al/src/Library/Camera/SnapShotCameraCtrl.cpp
@@ -10,9 +10,9 @@ void SnapShotCameraCtrl::load(ByamlIter const& iter) {
     if (!tryGetByamlIterByKey(&param, iter, "SnapShotParam"))
         return;
     if (tryGetByamlF32(&mParam->mMinFovyDegree, param, "MinFovyDegree"))
-        mParam->gotMin = true;
+        mParam->mHasMin = true;
     if (tryGetByamlF32(&mParam->mMinFovyDegree, param, "MinFovyDegree"))
-        mParam->gotMax = true;
+        mParam->mHasMax = true;
 }
 
 }  // namespace al
diff --git a/lib/al/src/Library/Play/Camera/CameraVerticalAbsorber.cpp b/lib/al/src/Library/Play/Camera/CameraVerticalAbsorber.cpp
index 84b83f29..3a9a3959 100644
--- a/lib/al/src/Library/Play/Camera/CameraVerticalAbsorber.cpp
+++ b/lib/al/src/Library/Play/Camera/CameraVerticalAbsorber.cpp
@@ -38,7 +38,7 @@ void CameraVerticalAbsorber::exeFollowAbsolute() {
 }
 
 void CameraVerticalAbsorber::invalidate() {
-    isInvalidated = true;
+    mIsInvalidated = true;
     if (!isNerve(this, &NrvCameraVerticalAbsorber.FollowAbsolute))
         setNerve(this, &NrvCameraVerticalAbsorber.FollowAbsolute);
 }
@@ -53,7 +53,7 @@ void CameraVerticalAbsorber::start(const sead::Vector3f& pos, const CameraStartI
 
     mPrevTargetTrans = pos;
 
-    if (unusedBool || isInvalidated ||
+    if (mUnusedBool || mIsInvalidated ||
         alCameraPoserFunction::isPlayerTypeNotTouchGround(mCameraPoser))
         return setNerve(this, &NrvCameraVerticalAbsorber.FollowAbsolute);
     if (alCameraPoserFunction::isTargetClimbPole(mCameraPoser))
@@ -91,7 +91,7 @@ void CameraVerticalAbsorber::load(const ByamlIter& data) {
 
 // NON_MATCHING
 void CameraVerticalAbsorber::update() {
-    if (isStopUpdate)
+    if (mIsStopUpdate)
         return;
     sead::Vector3f gravity{};
     alCameraPoserFunction::calcTargetGravity(&gravity, mCameraPoser);
@@ -102,9 +102,9 @@ void CameraVerticalAbsorber::update() {
     mLookAtCamera.getUp() = mCameraPoser->getCameraUp();
     if (mLookAtCamera.getUp().length() > 0.f)
         mLookAtCamera.getUp().normalize();
-    if (!unusedBool && !isInvalidated) {
+    if (!mUnusedBool && !mIsInvalidated) {
         mLookAtCamera.getAt() -= mTargetInterp;
-        if (!isNoCameraPosAbsorb) {
+        if (!mIsNoCameraPosAbsorb) {
             mLookAtCamera.getPos() -= mTargetInterp;
         }
     }
@@ -124,7 +124,7 @@ void CameraVerticalAbsorber::update() {
     }
     updateNerve();
     sead::Vector3f prevTargetTrans = sead::Vector3f::zero;
-    if (!isKeepInFrame) {
+    if (!mIsKeepInFrame) {
         prevTargetTrans = mTargetInterp;
     } else {
         sead::Vector3f offsetTrans = sead::Vector3f::zero;
diff --git a/lib/al/src/Library/Rail/Rail.cpp b/lib/al/src/Library/Rail/Rail.cpp
index 4ecd0f68..94b75074 100644
--- a/lib/al/src/Library/Rail/Rail.cpp
+++ b/lib/al/src/Library/Rail/Rail.cpp
@@ -10,8 +10,8 @@ namespace al {
 Rail::Rail() = default;
 // NON_MATCHING: mismatch during `mRailPart`-array creation
 void Rail::init(const PlacementInfo& info) {
-    isClosed = false;
-    tryGetArg(&isClosed, info, "IsClosed");
+    mIsClosed = false;
+    tryGetArg(&mIsClosed, info, "IsClosed");
     PlacementInfo railPointsInfo;
     tryGetPlacementInfoByKey(&railPointsInfo, info, "RailPoints");
     mRailPointsCount = getCountPlacementInfo(railPointsInfo);
@@ -35,7 +35,7 @@ void Rail::init(const PlacementInfo& info) {
         return;
     }
 
-    mRailPartCount = (isClosed ? 1 : 0) + mRailPointsCount - 1;
+    mRailPartCount = (mIsClosed ? 1 : 0) + mRailPointsCount - 1;
     mRailPart = new RailPart[mRailPartCount];
 
     f32 totalLength = 0;
@@ -116,7 +116,7 @@ f32 Rail::getLengthToPoint(s32 index) const {
     return mRailPart[index - 1].getTotalDistance();
 }
 void Rail::calcRailPointPos(sead::Vector3f* pos, s32 index) const {
-    if (isClosed || index != mRailPointsCount - 1)
+    if (mIsClosed || index != mRailPointsCount - 1)
         return mRailPart[index].calcStartPos(pos);
 
     return mRailPart[index - 1].calcEndPos(pos);
@@ -178,7 +178,7 @@ void Rail::calcNearestRailPointPos(sead::Vector3f* rail_pos, const sead::Vector3
     }
 }
 f32 Rail::normalizeLength(f32 distance) const {
-    if (isClosed) {
+    if (mIsClosed) {
         f32 distanceOnRail = modf(distance, getTotalLength());
         if (distanceOnRail < 0.0)
             distanceOnRail += getTotalLength();
diff --git a/lib/al/src/Library/Yaml/ByamlData.cpp b/lib/al/src/Library/Yaml/ByamlData.cpp
index 1b6c77ad..c6703245 100755
--- a/lib/al/src/Library/Yaml/ByamlData.cpp
+++ b/lib/al/src/Library/Yaml/ByamlData.cpp
@@ -36,8 +36,8 @@ s32 ByamlHashPair::getValue(bool isRev) const {
     return isRev ? bswap_32(mValue) : mValue;
 }
 
-ByamlHashIter::ByamlHashIter(const u8* data, bool isRev_) : mData(data), isRev(isRev_) {}
-ByamlHashIter::ByamlHashIter() : mData(nullptr), isRev(false) {}
+ByamlHashIter::ByamlHashIter(const u8* data, bool isRev_) : mData(data), mIsRev(isRev_) {}
+ByamlHashIter::ByamlHashIter() : mData(nullptr), mIsRev(false) {}
 
 const ByamlHashPair* ByamlHashIter::findPair(s32 key) const {
     const ByamlHashPair* pairTable = getPairTable();
@@ -50,7 +50,7 @@ const ByamlHashPair* ByamlHashIter::findPair(s32 key) const {
     while (lowerBound < upperBound) {
         s32 avg = (lowerBound + upperBound) / 2;
         const ByamlHashPair* pair = &pairTable[avg];
-        s32 result = key - pair->getKey(isRev);
+        s32 result = key - pair->getKey(mIsRev);
         if (result == 0) {
             return pair;
         }
@@ -68,7 +68,7 @@ bool ByamlHashIter::getDataByIndex(ByamlData* data, s32 index) const {
     if (((s32)getSize()) < 1)
         return false;
 
-    data->set(&getPairTable()[index], isRev);
+    data->set(&getPairTable()[index], mIsRev);
     return true;
 }
 // NON_MATCHING: minor additional instructions, probably not inlined
@@ -91,7 +91,7 @@ bool ByamlHashIter::getDataByKey(ByamlData* data, s32 key) const {
     while (true) {
         s32 avg = (lowerBound + upperBound) / 2;
         pair = &pairTable[avg];
-        s32 result = key - pair->getKey(isRev);
+        s32 result = key - pair->getKey(mIsRev);
         if (result == 0) {
             break;
         }
@@ -105,7 +105,7 @@ bool ByamlHashIter::getDataByKey(ByamlData* data, s32 key) const {
     }
     if (pair == nullptr)
         return false;
-    data->set(pair, isRev);
+    data->set(pair, mIsRev);
     return true;
 }
 const u8* ByamlHashIter::getOffsetData(u32 off) const {
@@ -128,11 +128,11 @@ u32 ByamlHashIter::getSize() const {
     if (!mData)
         return 0;
     u32 val = *reinterpret_cast<const u32*>(mData);
-    return isRev ? bswap_24(val >> 8) : val >> 8;
+    return mIsRev ? bswap_24(val >> 8) : val >> 8;
 }
 
-ByamlArrayIter::ByamlArrayIter(const u8* data, bool isRev_) : mData(data), isRev(isRev_) {}
-ByamlArrayIter::ByamlArrayIter() : mData(nullptr), isRev(false) {}
+ByamlArrayIter::ByamlArrayIter(const u8* data, bool isRev_) : mData(data), mIsRev(isRev_) {}
+ByamlArrayIter::ByamlArrayIter() : mData(nullptr), mIsRev(false) {}
 
 bool ByamlArrayIter::getDataByIndex(ByamlData* data, s32 index) const {
     if (index < 0)
@@ -140,7 +140,7 @@ bool ByamlArrayIter::getDataByIndex(ByamlData* data, s32 index) const {
     if (((s32)getSize()) <= index)
         return false;
 
-    data->set(getTypeTable()[index], getDataTable()[index], isRev);
+    data->set(getTypeTable()[index], getDataTable()[index], mIsRev);
     return true;
 }
 // NON_MATCHING: regalloc
@@ -152,7 +152,7 @@ const u8* ByamlArrayIter::getOffsetData(u32 off) const {
 }
 u32 ByamlArrayIter::getSize() const {
     u32 val = *reinterpret_cast<const u32*>(mData);
-    return isRev ? bswap_24(val >> 8) : val >> 8;
+    return mIsRev ? bswap_24(val >> 8) : val >> 8;
 }
 const u8* ByamlArrayIter::getTypeTable() const {
     return mData + 4;
diff --git a/lib/al/src/Library/Yaml/ByamlHeader.cpp b/lib/al/src/Library/Yaml/ByamlHeader.cpp
index 3ab2123b..ff80751f 100755
--- a/lib/al/src/Library/Yaml/ByamlHeader.cpp
+++ b/lib/al/src/Library/Yaml/ByamlHeader.cpp
@@ -38,11 +38,11 @@ u32 ByamlHeader::getDataOffset() const {
 ByamlStringTableIter::ByamlStringTableIter() = default;
 
 ByamlStringTableIter::ByamlStringTableIter(const u8* data, bool isRev)
-    : mData(data), isRev(isRev) {}
+    : mData(data), mIsRev(isRev) {}
 
 s32 ByamlStringTableIter::getSize() const {
     u32 type_and_size = *reinterpret_cast<const u32*>(mData);
-    return isRev ? bswap_24(type_and_size >> 8) : type_and_size >> 8;
+    return mIsRev ? bswap_24(type_and_size >> 8) : type_and_size >> 8;
 }
 
 const u32* ByamlStringTableIter::getAddressTable() const {
@@ -52,7 +52,7 @@ const u32* ByamlStringTableIter::getAddressTable() const {
 }
 
 u32 ByamlStringTableIter::getStringAddress(s32 idx) const {
-    if (isRev)
+    if (mIsRev)
         return bswap_32(getAddressTable()[idx]);
 
     return getAddressTable()[idx];
@@ -61,7 +61,7 @@ u32 ByamlStringTableIter::getStringAddress(s32 idx) const {
 // NON_MATCHING: regalloc
 u32 ByamlStringTableIter::getEndAddress() const {
     u32 val = getAddressTable()[getSize()];
-    return isRev ? bswap_32(val) : val;
+    return mIsRev ? bswap_32(val) : val;
 }
 const char* ByamlStringTableIter::getString(s32 index) const {
     return reinterpret_cast<const char*>(&mData[getStringAddress(index)]);
diff --git a/lib/al/src/Project/Item/ActorScoreKeeper.cpp b/lib/al/src/Project/Item/ActorScoreKeeper.cpp
index d285d702..3841cab1 100644
--- a/lib/al/src/Project/Item/ActorScoreKeeper.cpp
+++ b/lib/al/src/Project/Item/ActorScoreKeeper.cpp
@@ -7,29 +7,29 @@ ActorScoreKeeper::ActorScoreKeeper() = default;
 
 void ActorScoreKeeper::init(const ByamlIter& iter) {
     if (iter.isTypeArray()) {
-        size = iter.getSize();
+        mSize = iter.getSize();
         allocArray();
-        for (s32 i = 0; i < size; i++) {
+        for (s32 i = 0; i < mSize; i++) {
             ByamlIter subIter;
             iter.tryGetIterByIndex(&subIter, i);
             putEntry(i, subIter);
         }
     } else {
-        size = 1;
+        mSize = 1;
         allocArray();
         putEntry(0, iter);
     }
 }
 
 inline void ActorScoreKeeper::allocArray() {
-    Entry* local_array = new Entry[size];
-    if (size)
-        memset(local_array, 0, sizeof(Entry) * size);
-    array = local_array;
+    Entry* local_array = new Entry[mSize];
+    if (mSize)
+        memset(local_array, 0, sizeof(Entry) * mSize);
+    mArray = local_array;
 }
 
 inline void ActorScoreKeeper::putEntry(s32 index, const ByamlIter& iter) {
-    auto& entry = array[index];
+    auto& entry = mArray[index];
     iter.tryGetStringByKey(&entry.factorName, "FactorName");
     iter.tryGetStringByKey(&entry.categoryName, "CategoryName");
 }
diff --git a/src/Npc/AchievementInfoReader.cpp b/src/Npc/AchievementInfoReader.cpp
index 85522592..e75d4b89 100644
--- a/src/Npc/AchievementInfoReader.cpp
+++ b/src/Npc/AchievementInfoReader.cpp
@@ -18,7 +18,7 @@ void AchievementInfoReader::init() {  // TODO minor mismatches during loop
     al::ByamlIter achievementInfoArray;
     if (achievementInfo.tryGetIterByKey(&achievementInfoArray, "AchievementInfoArray")) {
         auto size = achievementInfoArray.getSize();
-        array.allocBuffer(size, nullptr);
+        mAchievements.allocBuffer(size, nullptr);
 
         for (u32 i = 0; i < size; i++) {
             al::ByamlIter iter;
@@ -32,15 +32,15 @@ void AchievementInfoReader::init() {  // TODO minor mismatches during loop
                 s32 level = -1;
                 iter.tryGetIntByKey(&level, "Level");
 
-                array.pushBack(new AchievementInfo(name, num, level, note));
+                mAchievements.pushBack(new AchievementInfo(name, num, level, note));
             }
         }
     }
 }
 
 s32 AchievementInfoReader::tryFindIndexByName(const char* name) const {
-    for (s32 i = 0; i < array.size(); i++) {
-        if (al::isEqualString(name, array[i]->mName))
+    for (s32 i = 0; i < mAchievements.size(); i++) {
+        if (al::isEqualString(name, mAchievements[i]->mName))
             return i;
     }
     return -1;
diff --git a/src/Npc/AchievementInfoReader.h b/src/Npc/AchievementInfoReader.h
index 99b25190..f5728f42 100644
--- a/src/Npc/AchievementInfoReader.h
+++ b/src/Npc/AchievementInfoReader.h
@@ -21,10 +21,10 @@ public:
     void init();
     s32 tryFindIndexByName(const char*) const;
 
-    AchievementInfo* get(s32 index) { return array[index]; }
-    s32 size() { return array.size(); }
-    s32 capacity() { return array.capacity(); }
+    AchievementInfo* get(s32 index) { return mAchievements[index]; }
+    s32 size() { return mAchievements.size(); }
+    s32 capacity() { return mAchievements.capacity(); }
 
 private:
-    sead::PtrArray<AchievementInfo> array;
+    sead::PtrArray<AchievementInfo> mAchievements;
 };
diff --git a/src/Player/PlayerHackKeeper.h b/src/Player/PlayerHackKeeper.h
index e36a8382..b772d229 100644
--- a/src/Player/PlayerHackKeeper.h
+++ b/src/Player/PlayerHackKeeper.h
@@ -18,5 +18,5 @@ public:
 
 private:
     char padding[0x68];
-    al::LiveActor* currentHackActor;
+    al::LiveActor* mCurrentHackActor;
 };
diff --git a/src/Player/PlayerInput.h b/src/Player/PlayerInput.h
index 3fa7dbcb..736c2e3f 100644
--- a/src/Player/PlayerInput.h
+++ b/src/Player/PlayerInput.h
@@ -85,6 +85,6 @@ private:
     s32 _88;
     void* gap2[1];
     bool mDisableInput;
-    void* fillToSize[20];
+    void* gap3[20];
 };
 static_assert(sizeof(PlayerInput) == 0x140);
diff --git a/src/Player/PlayerModelHolder.cpp b/src/Player/PlayerModelHolder.cpp
index ae504de1..f5810368 100644
--- a/src/Player/PlayerModelHolder.cpp
+++ b/src/Player/PlayerModelHolder.cpp
@@ -13,7 +13,7 @@ void PlayerModelHolder::registerModel(al::LiveActor* liveActor, const char* name
 void PlayerModelHolder::changeModel(const char* name) {
     for (auto it = mBuffer.begin(), end = mBuffer.end(); it != end; ++it) {
         if (al::isEqualString(it->mName, sead::SafeString(name))) {
-            currentModel = &*it;
+            mCurrentModel = &*it;
             return;
         }
     }
@@ -25,7 +25,7 @@ al::LiveActor* PlayerModelHolder::findModelActor(const char* name) const {
             return it->mLiveActor;
         }
     }
-    return currentModel->mLiveActor;
+    return mCurrentModel->mLiveActor;
 }
 
 al::LiveActor* PlayerModelHolder::tryFindModelActor(const char* name) const {
@@ -38,9 +38,9 @@ al::LiveActor* PlayerModelHolder::tryFindModelActor(const char* name) const {
 }
 
 bool PlayerModelHolder::isCurrentModelLabel(const char* name) const {
-    return al::isEqualString(currentModel->mName.cstr(), name);
+    return al::isEqualString(mCurrentModel->mName.cstr(), name);
 }
 
 bool PlayerModelHolder::isCurrentModelLabelSubString(const char* name) const {
-    return al::isEqualSubString(currentModel->mName.cstr(), name);
+    return al::isEqualSubString(mCurrentModel->mName.cstr(), name);
 }
diff --git a/src/Player/PlayerModelHolder.h b/src/Player/PlayerModelHolder.h
index 81d42e15..376168ff 100644
--- a/src/Player/PlayerModelHolder.h
+++ b/src/Player/PlayerModelHolder.h
@@ -24,6 +24,6 @@ public:
 
 private:
     sead::PtrArray<Entry> mBuffer;
-    Entry* currentModel = nullptr;
+    Entry* mCurrentModel = nullptr;
     sead::FixedSafeString<128> _10 = sead::FixedSafeString<128>("");
 };
diff --git a/src/System/GameDataFile.h b/src/System/GameDataFile.h
index 9d2a12d0..52c4a3ee 100644
--- a/src/System/GameDataFile.h
+++ b/src/System/GameDataFile.h
@@ -63,5 +63,5 @@ private:
     unsigned char padding_6A8[0x6A8];
     GameProgressData* mGameProgressData;
     char padding_9F0[0x340];
-    s32 curWorldId;
+    s32 mCurWorldId;
 };
diff --git a/src/Util/ActorDimensionKeeper.cpp b/src/Util/ActorDimensionKeeper.cpp
index 4458c530..242368d7 100644
--- a/src/Util/ActorDimensionKeeper.cpp
+++ b/src/Util/ActorDimensionKeeper.cpp
@@ -3,17 +3,17 @@
 #include "Util/IUseDimension.h"
 
 void ActorDimensionKeeper::validate() {
-    isValid = true;
+    mIsValid = true;
 }
 
 void ActorDimensionKeeper::invalidate() {
-    isValid = false;
+    mIsValid = false;
 
-    if (is2D) {
-        is2D = false;
-        isIn2DArea = false;
-        isCurrently2D = false;
-        isCanChange3D = true;
+    if (mIs2D) {
+        mIs2D = false;
+        mIsIn2DArea = false;
+        mIsCurrently2D = false;
+        mIsCanChange3D = true;
     }
 }
 
diff --git a/src/Util/ActorDimensionKeeper.h b/src/Util/ActorDimensionKeeper.h
index 164a304d..49776ede 100644
--- a/src/Util/ActorDimensionKeeper.h
+++ b/src/Util/ActorDimensionKeeper.h
@@ -17,20 +17,20 @@ public:
     void forceEndChange2DKeep();
     bool update();
 
-    bool getIs2D() const { return is2D; }
-    bool getIsIn2DArea() const { return isIn2DArea; }
-    bool getIsCurrently2D() const { return isCurrently2D; }
-    bool getIsCanChange2D() const { return isCanChange2D; }
-    bool getIsCanChange3D() const { return isCanChange3D; }
+    bool getIs2D() const { return mIs2D; }
+    bool getIsIn2DArea() const { return mIsIn2DArea; }
+    bool getIsCurrently2D() const { return mIsCurrently2D; }
+    bool getIsCanChange2D() const { return mIsCanChange2D; }
+    bool getIsCanChange3D() const { return mIsCanChange3D; }
 
 private:
     const al::LiveActor* mLiveActor;
-    bool isValid = true;
-    bool is2D = false;
-    bool isIn2DArea = false;
-    bool isCurrently2D = false;
-    bool isCanChange2D = false;
-    bool isCanChange3D = false;
+    bool mIsValid = true;
+    bool mIs2D = false;
+    bool mIsIn2DArea = false;
+    bool mIsCurrently2D = false;
+    bool mIsCanChange2D = false;
+    bool mIsCanChange3D = false;
     In2DAreaMoveControl* mIn2DAreaMoveControl = nullptr;
 };
 static_assert(sizeof(ActorDimensionKeeper) == 0x18);
diff --git a/tools/check-format.py b/tools/check-format.py
index fa8ee791..223c3017 100755
--- a/tools/check-format.py
+++ b/tools/check-format.py
@@ -209,6 +209,8 @@ def header_sorted_visibility(c, path):
         if line in visibilities_ordered:
             i = visibilities_ordered.index(line)
             if CHECK(lambda a:i>nest_level[-1], line, "Wrong order of visibilities: Must be public, protected, private!", path): return
+            if nest_level[-1] == -2:  # outside of class, only seen in SubActorKeeper.h in a macro definition - ignore then
+                continue
             nest_level[-1] = i
             continue
         elif "{" in line:
@@ -245,6 +247,30 @@ def header_check_line(line, path, visibility, should_start_class):
         if "(" in line:  # function
             function_name = line.split("(")[-2].split(" ")[-1]
             CHECK(lambda a:not function_name.endswith("_"), line, "Functions ending with an underscore are either protected or private!", path)
+    elif visibility == 2:  # private
+        if line == "};" or line == "" or line == "union {" or line.startswith("struct"): return
+        if "(" in line and ")" in line: return
+        newline = line
+        if "=" in line:
+            newline = line.split("=")[0].strip()
+        elif line.endswith(";"):
+            newline = line.split(";")[0].strip()
+        else:
+            FAIL("Unknown private line!", line, path)
+        
+        if newline.endswith("]"):
+            newline = newline.split("[")[0].strip()
+        
+        var_name = newline.split(" ")[-1]
+        var_type = " ".join(newline.split(" ")[0:-1])
+
+        PREFIXES = ["padding", "field", "unk", "gap", "_", "filler"]
+
+        if var_type.startswith("static"):
+            CHECK(lambda a:var_name.startswith("s") and var_name[1].isupper(), line, "Static member variables must be prefixed with `s`!", path)
+        else:
+            allowed_name = (var_name.startswith("m") and var_name[1].isupper()) or any([var_name.startswith(p) for p in PREFIXES])
+            CHECK(lambda a:allowed_name, line, "Member variables must be prefixed with `m`!", path)
 
 def header_no_offset_comments(c, path):
     for line in c.splitlines():