diff --git a/include/entity.h b/include/entity.h
index 2109a212..70e84d38 100644
--- a/include/entity.h
+++ b/include/entity.h
@@ -109,11 +109,11 @@ typedef struct Entity {
     /*0x3b*/ u8 flags2;
     /*0x3c*/ u8 field_0x3c;
     /*0x3d*/ s8 iframes;
-    /*0x3e*/ u8 field_0x3e;
+    /*0x3e*/ u8 knockbackDirection;
     /*0x3f*/ u8 damageType;
     /*0x40*/ u8 field_0x40;
     /*0x41*/ u8 bitfield;
-    /*0x42*/ u8 field_0x42;
+    /*0x42*/ u8 knockbackDuration;
     /*0x43*/ u8 field_0x43;
     /*0x44*/ u8 field_0x44;
     /*0x45*/ u8 currentHealth;
diff --git a/src/enemy/acroBandits.c b/src/enemy/acroBandits.c
index e506a605..5edc7d1d 100644
--- a/src/enemy/acroBandits.c
+++ b/src/enemy/acroBandits.c
@@ -52,7 +52,7 @@ void sub_080318DC(Entity* this) {
 
     if (this->bitfield != 0x80 && this->bitfield != 0x81) {
         if (this->type == 1) {
-            if (this->action < 7 && this->field_0x42) {
+            if (this->action < 7 && this->knockbackDuration != 0) {
                 brother = this->attachedEntity;
                 if (brother) {
                     brother->parent = this->parent;
@@ -72,7 +72,7 @@ void sub_080318DC(Entity* this) {
 
                 this->action = 9;
                 this->spritePriority.b1 = 1;
-                if (this->field_0x3e < 0x10) {
+                if (this->knockbackDirection < 0x10) {
                     this->spriteSettings.b.flipX = 0;
                 } else {
                     this->spriteSettings.b.flipX = 1;
@@ -81,19 +81,19 @@ void sub_080318DC(Entity* this) {
             }
 
             if (this->currentHealth == 0) {
-                this->field_0x3e = ((this->field_0x3e + (7 & Random())) - 4) & 0x1f;
-                this->field_0x42 += this->type2 * 3;
+                this->knockbackDirection = ((this->knockbackDirection + (7 & Random())) - 4) & 0x1f;
+                this->knockbackDuration += this->type2 * 3;
                 sub_08032338(this);
             }
         }
 
-        if (this->field_0x42 && this->frames.all & 0x10) {
+        if (this->knockbackDuration != 0 && this->frames.all & 0x10) {
             if (this->type == 0) {
                 this->action = 8;
             } else {
                 this->action = 9;
             }
-            if (this->field_0x3e < 0x10) {
+            if (this->knockbackDirection < 0x10) {
                 this->spriteSettings.b.flipX = 0;
             } else {
                 this->spriteSettings.b.flipX = 1;
diff --git a/src/enemy/beetle.c b/src/enemy/beetle.c
index 8ce4858b..09224225 100644
--- a/src/enemy/beetle.c
+++ b/src/enemy/beetle.c
@@ -48,7 +48,7 @@ void sub_08021780(Entity* this) {
     }
 
     if (this->currentHealth == 0)
-        this->field_0x42 = 0;
+        this->knockbackDuration = 0;
 
     sub_0804AA30(this, gUnk_080CB590);
 }
diff --git a/src/enemy/bobomb.c b/src/enemy/bobomb.c
index 77bf64da..3d107aa3 100644
--- a/src/enemy/bobomb.c
+++ b/src/enemy/bobomb.c
@@ -30,8 +30,8 @@ void sub_0802C688(Entity* this) {
             case 0:
             case 1:
                 if (this->field_0x82.HALF.LO) {
-                    this->field_0x42 = 0;
-                    gPlayerEntity.field_0x42 = 4;
+                    this->knockbackDuration = 0;
+                    gPlayerEntity.knockbackDuration = 4;
                 }
                 return;
             case 0xe:
@@ -39,7 +39,7 @@ void sub_0802C688(Entity* this) {
             case 0x15:
             case 0x16:
                 this->action = 3;
-                this->field_0x42 = 0;
+                this->knockbackDuration = 0;
                 sub_0802CBC4(this);
                 return;
         }
diff --git a/src/enemy/darkNut.c b/src/enemy/darkNut.c
index 4ede2e2d..d28e3b15 100644
--- a/src/enemy/darkNut.c
+++ b/src/enemy/darkNut.c
@@ -64,7 +64,7 @@ void sub_08020BB8(Entity* this) {
             this->action = 11;
             this->actionDelay = gUnk_080CAB0C[this->type];
             this->damageType = 81;
-            sub_08021218(this, 8, DirectionToAnimationState(this->field_0x3e ^ 0x10));
+            sub_08021218(this, 8, DirectionToAnimationState(this->knockbackDirection ^ 0x10));
             sub_08021588(this);
             sub_0804A9FC(this, 0x1c);
             break;
@@ -72,7 +72,7 @@ void sub_08020BB8(Entity* this) {
             this->action = 11;
             this->actionDelay = gUnk_080CAB10[this->type];
             this->damageType = 81;
-            sub_08021218(this, 8, DirectionToAnimationState(this->field_0x3e ^ 0x10));
+            sub_08021218(this, 8, DirectionToAnimationState(this->knockbackDirection ^ 0x10));
             sub_08021588(this);
             sub_0804A9FC(this, 0x1c);
             break;
diff --git a/src/enemy/gibdo.c b/src/enemy/gibdo.c
index 7f6d04e6..923ebbdc 100644
--- a/src/enemy/gibdo.c
+++ b/src/enemy/gibdo.c
@@ -58,7 +58,7 @@ NONMATCH("asm/non_matching/gibdo/sub_080374A4.inc", void sub_080374A4(Entity* th
             } else {
                 if ((u8)(this->action - 1) < 2) {
                     this->action = 1;
-                    x = DirectionTurnAround(this->field_0x3e);
+                    x = DirectionTurnAround(this->knockbackDirection);
                     this->direction = x;
                     this->animationState = x >> 3;
                     InitAnimationForceUpdate(this, this->animationState);
@@ -342,8 +342,8 @@ void sub_08037A58(Entity* this) {
     this->damageType = 0x26;
     this->flags2 |= 1;
     this->iframes = 0xf4;
-    this->field_0x3e = (this->animationState << 3) ^ 0x10;
-    this->field_0x42 = 8;
+    this->knockbackDirection = DirectionFromAnimationState(this->animationState) ^ 0x10;
+    this->knockbackDuration = 8;
     this->field_0x46 = 0x180;
     this->field_0x76.HALF.LO = 0x3c;
     InitAnimationForceUpdate(this, this->animationState + 0x10);
@@ -353,8 +353,8 @@ void sub_08037ACC(Entity* this) {
     gPlayerState.flags.all &= 0xFFFFFEFF;
     gPlayerEntity.flags |= 0x80;
     gPlayerEntity.iframes = 0x1e;
-    gPlayerEntity.field_0x3e = DirectionFromAnimationState(this->animationState);
-    gPlayerEntity.field_0x42 = 4;
+    gPlayerEntity.knockbackDirection = DirectionFromAnimationState(this->animationState);
+    gPlayerEntity.knockbackDuration = 4;
     gPlayerEntity.field_0x46 = 0x180;
 }
 // Damage player maybe?
diff --git a/src/enemy/helmasaur.c b/src/enemy/helmasaur.c
index 169f9db2..2385b12e 100644
--- a/src/enemy/helmasaur.c
+++ b/src/enemy/helmasaur.c
@@ -48,7 +48,7 @@ void sub_0802BBC4(Entity* this) {
             case 2:
             case 3:
                 if (this->action == 4) {
-                    this->field_0x42 = 0;
+                    this->knockbackDuration = 0;
                     sub_0802C218(this);
                 }
                 break;
diff --git a/src/enemy/keaton.c b/src/enemy/keaton.c
index df748792..1ed5af8e 100644
--- a/src/enemy/keaton.c
+++ b/src/enemy/keaton.c
@@ -39,7 +39,7 @@ void sub_080323F4(Entity* this) {
     if (this->action != 3 && this->action != 4) {
         this->action = 3;
         this->actionDelay = 0xC;
-        this->direction = DirectionTurnAround(this->field_0x3e);
+        this->direction = DirectionTurnAround(this->knockbackDirection);
         InitAnimationForceUpdate(this, this->direction >> 3);
     } else if (this->bitfield == 0xCC) {
         if (this->field_0x43 == 0) {
diff --git a/src/enemy/lakitu.c b/src/enemy/lakitu.c
index d97bec40..cbbab57f 100644
--- a/src/enemy/lakitu.c
+++ b/src/enemy/lakitu.c
@@ -64,7 +64,7 @@ void sub_0803C784(Entity* this) {
             Entity* fx = CreateFx(this, 2, 0);
 
             if (fx != NULL) {
-                u32 angle = (this->field_0x3e ^ 0x10) << 3;
+                u32 angle = (this->knockbackDirection ^ 0x10) << 3;
                 s32 sine;
 
                 sine = gSineTable[angle];
diff --git a/src/enemy/lakituCloud.c b/src/enemy/lakituCloud.c
index 5ce140c5..df0c0cca 100644
--- a/src/enemy/lakituCloud.c
+++ b/src/enemy/lakituCloud.c
@@ -24,7 +24,7 @@ void sub_0803CCD4(Entity* this) {
 }
 
 void sub_0803CCEC(Entity* this) {
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
     sub_0803CCD4(this);
 }
 
diff --git a/src/enemy/moldorm.c b/src/enemy/moldorm.c
index 2fc1f67f..1ee92567 100644
--- a/src/enemy/moldorm.c
+++ b/src/enemy/moldorm.c
@@ -36,7 +36,7 @@ void sub_08022BEC(Entity* this) {
 
     this->field_0x7a.HALF.LO = this->currentHealth;
     this->actionDelay = 1;
-    this->direction = this->field_0x3e;
+    this->direction = this->knockbackDirection;
 
     this->animationState = ((this->direction + 2) & 0x1c) >> 2;
     this->frameIndex = this->animationState;
diff --git a/src/enemy/peahat.c b/src/enemy/peahat.c
index adcbea9d..597ab1da 100644
--- a/src/enemy/peahat.c
+++ b/src/enemy/peahat.c
@@ -234,7 +234,7 @@ void Peahat_Stunned(Entity* this) {
             }
 
             if (this->direction == 0xff)
-                this->direction = this->field_0x3e;
+                this->direction = this->knockbackDirection;
 
             ProcessMovement(this);
             GetNextFrame(this);
diff --git a/src/enemy/puffstool.c b/src/enemy/puffstool.c
index c3b02ae4..69df19d6 100644
--- a/src/enemy/puffstool.c
+++ b/src/enemy/puffstool.c
@@ -75,7 +75,7 @@ void sub_08025020(Entity* this) {
                 this->field_0x20 = 0;
             }
             this->iframes = -0xc;
-            this->field_0x42 = 0;
+            this->knockbackDuration = 0;
             if (this->field_0x80.HALF.LO == 0) {
                 this->animationState = (*(Entity**)&this->field_0x4c)->direction >> 3;
                 InitializeAnimation(this, this->animationState + 4);
diff --git a/src/enemy/rockChuchu.c b/src/enemy/rockChuchu.c
index c7b0dbe1..9e3ad499 100644
--- a/src/enemy/rockChuchu.c
+++ b/src/enemy/rockChuchu.c
@@ -51,7 +51,7 @@ void sub_08022254(Entity* this) {
                     this->action = 2;
                     this->flags &= ~0x80;
                     this->spriteSettings.b.draw = 0;
-                    this->direction = this->field_0x3e;
+                    this->direction = this->knockbackDirection;
                     this->attachedEntity = ent;
                 }
         }
@@ -101,8 +101,8 @@ void sub_080223E4(Entity* this) {
         ent->bitfield = 0x94;
         ent->iframes = 0x10;
 #ifndef EU
-        ent->field_0x42 = 0xc;
-        ent->field_0x3e = this->direction;
+        ent->knockbackDuration = 0xc;
+        ent->knockbackDirection = this->direction;
 #endif
     }
 
diff --git a/src/enemy/rollobite.c b/src/enemy/rollobite.c
index 0e6ee1bb..d8774285 100644
--- a/src/enemy/rollobite.c
+++ b/src/enemy/rollobite.c
@@ -54,11 +54,11 @@ void sub_08020668(Entity* this) {
 
 void sub_080206E0(Entity* this) {
     if (Rollobite_TryToHoleUp(this)) {
-        this->field_0x42 = 0;
+        this->knockbackDuration = 0;
     } else if (Rollobite_IsRolledUp(this)) {
-        this->field_0x42--;
-        sub_080AE58C(this, this->field_0x3e, 10);
-        sub_080AE7E8(this, this->field_0x46, this->field_0x3e, 10);
+        this->knockbackDuration--;
+        sub_080AE58C(this, this->knockbackDirection, 10);
+        sub_080AE7E8(this, this->field_0x46, this->knockbackDirection, 10);
     } else {
         sub_08001324(this);
     }
diff --git a/src/enemy/spearMoblin.c b/src/enemy/spearMoblin.c
index 68f52f04..a66fe5b3 100644
--- a/src/enemy/spearMoblin.c
+++ b/src/enemy/spearMoblin.c
@@ -379,11 +379,11 @@ bool32 sub_080288A4(Entity* this) {
 void sub_080288C0(Entity* this) {
     Entity* ent = this->attachedEntity;
     if (ent && (ent->bitfield & 0x80)) {
-        this->field_0x3e = ent->field_0x3e;
+        this->knockbackDirection = ent->knockbackDirection;
         this->iframes = -ent->iframes;
         this->field_0x46 = ent->field_0x46;
-        this->field_0x42 = ent->field_0x42;
-        ent->field_0x42 = 0;
+        this->knockbackDuration = ent->knockbackDuration;
+        ent->knockbackDuration = 0;
     }
 }
 
diff --git a/src/enemy/spikedBeetle.c b/src/enemy/spikedBeetle.c
index 46c87653..4c458a14 100644
--- a/src/enemy/spikedBeetle.c
+++ b/src/enemy/spikedBeetle.c
@@ -51,8 +51,8 @@ void sub_0802B628(Entity* this) {
                 this->action = 6;
                 this->field_0x20 = 0x18000;
                 this->speed = 0xc0;
-                this->direction = this->field_0x3e;
-                this->field_0x42 = 0;
+                this->direction = this->knockbackDirection;
+                this->knockbackDuration = 0;
                 this->iframes = -8;
                 this->damageType = 100;
                 InitializeAnimation(this, 9);
diff --git a/src/enemy/vaatiTransfigured.c b/src/enemy/vaatiTransfigured.c
index 399f511b..9efa55e8 100644
--- a/src/enemy/vaatiTransfigured.c
+++ b/src/enemy/vaatiTransfigured.c
@@ -1068,7 +1068,7 @@ void sub_080409B0(Entity* this) {
     }
 
     if (this->field_0x80.HALF.HI < 3) {
-        if (this->field_0x42 != 0) {
+        if (this->knockbackDuration != 0) {
             sub_080AF18C(this);
         }
     } else {
diff --git a/src/enemy/wallMaster.c b/src/enemy/wallMaster.c
index 663c3612..9a3ae8d2 100644
--- a/src/enemy/wallMaster.c
+++ b/src/enemy/wallMaster.c
@@ -37,9 +37,9 @@ void sub_0802A454(Entity* this) {
         }
     }
 
-    if (this->field_0x42)
-        if (this->field_0x42 > 4)
-            this->field_0x42 -= 4;
+    if (this->knockbackDuration != 0)
+        if (this->knockbackDuration > 4)
+            this->knockbackDuration -= 4;
 
     if (this->field_0x43 != 0) {
         sub_0804A9FC(this, 0x1c);
diff --git a/src/entity.c b/src/entity.c
index 60e571ff..cd9361f4 100644
--- a/src/entity.c
+++ b/src/entity.c
@@ -102,7 +102,7 @@ void DeleteEntity(Entity* ent) {
         ent->spriteSettings.b.draw = 0;
         ent->field_0x3c = 0;
         ent->bitfield = 0;
-        ent->field_0x42 = 0;
+        ent->knockbackDuration = 0;
         ent->currentHealth = 0;
         UnlinkEntity(ent);
         ent->next = NULL;
diff --git a/src/npc/guard.c b/src/npc/guard.c
index 7e9b0034..0f6470ad 100644
--- a/src/npc/guard.c
+++ b/src/npc/guard.c
@@ -85,8 +85,8 @@ void sub_08063DC8(Entity* this) {
         InitAnimationForceUpdate(this, this->animationState + 4);
     } else {
         sub_0806EE20(this);
-        if (this->field_0x3e != this->animationState) {
-            this->animationState = this->field_0x3e;
+        if (this->knockbackDirection != this->animationState) {
+            this->animationState = this->knockbackDirection;
             InitializeAnimation(this, this->animationState + 4);
         } else {
             GetNextFrame(this);
diff --git a/src/npc/postman.c b/src/npc/postman.c
index 40a482e4..c0708c12 100644
--- a/src/npc/postman.c
+++ b/src/npc/postman.c
@@ -67,7 +67,7 @@ void sub_0806045C(Entity* this) {
             TextboxNoOverlapFollow(0);
             break;
         default:
-            bVar1 = this->field_0x3e;
+            bVar1 = this->knockbackDirection;
             if (bVar1 != this->animationState) {
                 this->animationState = bVar1;
                 InitAnimationForceUpdate(this, 4 + bVar1);
diff --git a/src/object/bakerOven.c b/src/object/bakerOven.c
index f9de2600..13cb6627 100644
--- a/src/object/bakerOven.c
+++ b/src/object/bakerOven.c
@@ -66,8 +66,8 @@ void sub_0809CD0C(Entity* this) {
             ModHealth(-2);
             sub_0800449C(&gPlayerEntity, 0x7a);
             gPlayerEntity.iframes = 16;
-            gPlayerEntity.field_0x3e = 16;
-            gPlayerEntity.field_0x42 = 12;
+            gPlayerEntity.knockbackDirection = 16;
+            gPlayerEntity.knockbackDuration = 12;
             gPlayerEntity.field_0x46 = 16;
         }
     }
diff --git a/src/player.c b/src/player.c
index 1d7be0a7..92ddc33d 100644
--- a/src/player.c
+++ b/src/player.c
@@ -199,7 +199,7 @@ void sub_08070D38(Entity* this) {
     this->flags &= ~0x80;
     this->direction = ((this->animationState & 0xe) << 2) ^ 0x10;
     this->speed = 0x100;
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
     this->subAction++;
     this->actionDelay = gPlayerState.field_0x38;
     this->spriteIndex = 1;
@@ -366,7 +366,7 @@ void sub_08071038(Entity* this) {
 
     if (this->frames.all & 0x80) {
         this->attachedEntity = 0;
-        this->field_0x42 = 0;
+        this->knockbackDuration = 0;
         this->iframes = 248;
         gPlayerState.jumpStatus = 0;
         sub_080791D0();
@@ -465,7 +465,7 @@ void sub_08071130(Entity* this) {
 
     this->subAction++;
     sub_08078F60();
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
     SoundReq(SFX_PLY_LAND);
 }
 
@@ -531,7 +531,7 @@ void sub_080712F0(Entity* this) {
     if (temp == FALSE)
         return;
 
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
     this->iframes = 32;
     this->spritePriority.b1 = 1;
     this->spriteSettings.b.draw = FALSE;
@@ -568,7 +568,7 @@ void PortalJumpOnUpdate(Entity* this) {
     u16 y;
 
     this->flags &= ~0x80;
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
 
     x = gArea.curPortalX;
     y = gArea.curPortalY;
@@ -887,7 +887,7 @@ void sub_08071B60(Entity* this) {
     gPlayerState.pushedObject = 2;
     gPlayerState.flags.all &= ~0x1;
     this->type = 0;
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
     sub_080728AC(this);
     this->field_0xf = 6;
     if ((gPlayerState.flags.all & 0x80) == 0) {
@@ -1139,7 +1139,7 @@ void sub_08071F80(Entity* this) {
 
 void sub_08072008(Entity* this) {
     this->iframes = 160;
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
     this->flags |= 0x80;
     this->spriteOffsetX = 0;
     gPlayerState.flags.all &= ~(0x800 | 0x1);
@@ -1216,7 +1216,7 @@ void sub_08072168(Entity* this) {
     gPlayerState.field_0xd = this->direction;
     sub_08019840();
     if (--this->actionDelay == 0xff) {
-        this->field_0x42 = 0;
+        this->knockbackDuration = 0;
         this->flags |= 0x80;
         UpdateSpriteForCollisionLayer(this);
         sub_080791BC();
@@ -1256,7 +1256,7 @@ void sub_08072260(Entity* this) {
         } else {
             gPlayerState.field_0x8 = 0x944;
         }
-        this->field_0x42 = 0;
+        this->knockbackDuration = 0;
         sub_080791BC();
     }
 }
@@ -1283,7 +1283,7 @@ void sub_080722DC(Entity* this) {
     } else {
         this->spriteSettings.b.draw = 0;
         this->subAction = 3;
-        this->field_0x42 = 10;
+        this->knockbackDuration = 10;
     }
     gPlayerState.flags.all |= (0x400 | 0x1);
     ResetPlayer();
@@ -1299,7 +1299,7 @@ void sub_08072354(Entity* this) {
         return;
 
     this->spritePriority.b1 = 0;
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
     this->subAction = 2;
     this->actionDelay = 0x3c;
     gPlayerState.field_0x8 = 0x2c1;
@@ -1320,7 +1320,7 @@ void sub_080723D0(Entity* this) {
 }
 
 void sub_0807240C(Entity* this) {
-    if (--this->field_0x42 == 0xff) {
+    if (--this->knockbackDuration == 0xff) {
         this->spriteSettings.b.draw = 3;
         this->iframes = 0x14;
         gPlayerState.flags.all &= ~0x400;
@@ -1360,7 +1360,7 @@ void PlayerRoomTransition(Entity* this) {
 }
 
 void sub_080724DC(Entity* this) {
-    this->field_0x42 = 0;
+    this->knockbackDuration = 0;
     sub_0807A108();
     if (sub_080002B8(this) != 0x29) {
         if ((gPlayerState.field_0x82[7] == 0) && (gPlayerState.swimState != 0)) {
@@ -1794,7 +1794,7 @@ NONMATCH("asm/non_matching/player/sub_08072D54.inc", void sub_08072D54(Entity* t
             }
             this->actionDelay = 6;
             this->subAction = 3;
-            this->field_0x42 = 0;
+            this->knockbackDuration = 0;
             SoundReq(0x7d);
         }
     }
@@ -1816,9 +1816,9 @@ void sub_08072F34(Entity* this) {
         gPlayerState.field_0xa8 = 0x18;
         gPlayerState.field_0x10[2] = sub_0807A1E8(this, 0, 0);
         gUnk_0811BBE4[this->subAction](this);
-        if (this->field_0x42 != 0) {
+        if (this->knockbackDuration != 0) {
             sub_080792D8();
-            if (this->field_0x42 == 0) {
+            if (this->knockbackDuration == 0) {
                 this->action = 0x1d;
                 this->subAction = 0;
                 this->y.HALF.LO = 0;
@@ -1897,7 +1897,7 @@ void sub_08073094(Entity* this) {
             switch (gPlayerState.field_0x10[2]) {
                 case 0x2a:
                 case 0x2c:
-                    this->field_0x42 = 0;
+                    this->knockbackDuration = 0;
                     gPlayerState.flags.all |= 0x20000000;
                     UpdateAnimationSingleFrame(this);
                     if ((this->frames.all & 0x40) != 0) {
diff --git a/src/projectile/arrowProjectile.c b/src/projectile/arrowProjectile.c
index 48db32b3..d2f4f45e 100644
--- a/src/projectile/arrowProjectile.c
+++ b/src/projectile/arrowProjectile.c
@@ -34,7 +34,7 @@ void sub_080A9334(Entity* this) {
         if ((this->bitfield & 0x3f) != 0) {
             ModHealth(-2);
             sub_080A9488(this);
-            this->field_0x42 = 0;
+            this->knockbackDuration = 0;
             this->iframes = 0;
         } else {
             DeleteThisEntity();
@@ -107,7 +107,7 @@ void sub_080A9488(Entity* this) {
     this->flags &= 0x7f;
     this->actionDelay = 2;
     this->field_0x20 = 0x18000;
-    this->animationState = (this->field_0x3e & 0x18) >> 3;
+    this->animationState = (this->knockbackDirection & 0x18) >> 3;
     EnqueueSFX(SFX_METAL_CLINK);
     sub_080A94C0(this, this->animationState);
 }
diff --git a/src/projectile/cannonballProjectile.c b/src/projectile/cannonballProjectile.c
index 950b6159..8c6e7da4 100644
--- a/src/projectile/cannonballProjectile.c
+++ b/src/projectile/cannonballProjectile.c
@@ -27,7 +27,7 @@ void sub_080AB544(Entity* this) {
 
     if (this->iframes < -4) {
         this->action = 2;
-        this->direction = this->field_0x3e;
+        this->direction = this->knockbackDirection;
         tmp = (this->type ^ 2) << 3;
         if (this->direction - tmp + 1 < 3) {
             this->direction = tmp;
diff --git a/src/projectile/dekuSeedProjectile.c b/src/projectile/dekuSeedProjectile.c
index e17caa58..40c51e69 100644
--- a/src/projectile/dekuSeedProjectile.c
+++ b/src/projectile/dekuSeedProjectile.c
@@ -30,7 +30,7 @@ void sub_080A8470(Entity* this) {
         }
         DeleteEntity(this);
     } else {
-        this->direction = (this->field_0x3e + 4) & 0x18;
+        this->direction = DirectionRoundUp(this->knockbackDirection);
         if ((u8)(this->bitfield + 0x7e) < 2) {
             sub_080A8680(this);
         } else {
@@ -74,14 +74,14 @@ void DekuSeedProjectile_Action1(Entity* this) {
         parent = this->parent;
         if ((parent->next != NULL) && (sub_080177A0(this, parent) != 0)) {
             this->iframes = 0x10;
-            this->field_0x3e = -this->direction;
+            this->knockbackDirection = -this->direction;
             this->bitfield = -0x80;
-            this->field_0x42 = 0xc;
+            this->knockbackDuration = 0xc;
             this->field_0x46 = 0;
             parent->iframes = 0x10;
-            parent->field_0x3e = this->direction;
+            parent->knockbackDirection = this->direction;
             parent->bitfield = -0x3e;
-            parent->field_0x42 = 0xc;
+            parent->knockbackDuration = 0xc;
             parent->field_0x46 = 0;
         }
     }
diff --git a/src/projectile/guardLineOfSight.c b/src/projectile/guardLineOfSight.c
index 9cbe3a22..2fff5c06 100644
--- a/src/projectile/guardLineOfSight.c
+++ b/src/projectile/guardLineOfSight.c
@@ -35,7 +35,7 @@ void GuardLineOfSight(Entity* this) {
                     entity = CreateProjectile(0xc);
                     if (entity != NULL) {
                         entity->type = 1;
-                        tmp = this->parent->field_0x3e;
+                        tmp = this->parent->knockbackDirection;
                         entity->direction = (gUnk_081299C8[(this->actionDelay >> 2 & 7)] + (tmp << 3)) & 0x1f;
                         entity->parent = this->parent;
                         CopyPosition(this, entity);
diff --git a/src/projectile/mandiblesProjectile.c b/src/projectile/mandiblesProjectile.c
index 0ab5c3ad..1bcfd7cf 100644
--- a/src/projectile/mandiblesProjectile.c
+++ b/src/projectile/mandiblesProjectile.c
@@ -66,14 +66,14 @@ void sub_080A9EBC(Entity* this) {
             default:
                 parent = this->parent;
                 parent->iframes = this->iframes;
-                parent->field_0x3e = this->field_0x3e;
-                parent->field_0x42 = this->field_0x42;
+                parent->knockbackDirection = this->knockbackDirection;
+                parent->knockbackDuration = this->knockbackDuration;
                 if (this->action == 1) {
                     sub_080AA320(this);
                 }
                 break;
         }
-        this->field_0x42 = 0;
+        this->knockbackDuration = 0;
     }
 }
 
diff --git a/src/projectile/moblinSpear.c b/src/projectile/moblinSpear.c
index a4123e20..c24e3480 100644
--- a/src/projectile/moblinSpear.c
+++ b/src/projectile/moblinSpear.c
@@ -27,7 +27,7 @@ void sub_080A832C(Entity* this) {
 
     if (this->bitfield == 0x80) {
         this->iframes = 0x10;
-        this->field_0x42 = 0xc;
+        this->knockbackDuration = 0xc;
         this->field_0x46 = 0x180;
         this->parent->bitfield = this->bitfield;
     }
@@ -37,10 +37,10 @@ void sub_080A832C(Entity* this) {
     } else {
         this->parent->iframes = -tmp;
     }
-    this->parent->field_0x42 = this->field_0x42;
+    this->parent->knockbackDuration = this->knockbackDuration;
     this->parent->field_0x46 = this->field_0x46;
-    this->parent->field_0x3e = this->field_0x3e;
-    this->field_0x42 = 0;
+    this->parent->knockbackDirection = this->knockbackDirection;
+    this->knockbackDuration = 0;
 }
 
 void MoblinSpear_Init(Entity* this) {
diff --git a/src/projectile/octorokBossProjectile.c b/src/projectile/octorokBossProjectile.c
index e927283e..5d41b4f1 100644
--- a/src/projectile/octorokBossProjectile.c
+++ b/src/projectile/octorokBossProjectile.c
@@ -84,7 +84,7 @@ void OctorokBossProjectile_Action1(Entity* this) {
                 if ((this->bitfield & 0x7f) == 0) {
                     OctorokBossProjectile_Action2(this);
                 }
-                this->direction = this->field_0x3e << 3;
+                this->direction = this->knockbackDirection << 3;
                 this->speed = 0x400;
                 this->type2 = 1;
                 this->actionDelay = 0;
@@ -98,9 +98,9 @@ void OctorokBossProjectile_Action1(Entity* this) {
                     this->parent->currentHealth -= 1;
                     this->parent->iframes = 0x1e;
                     if (this->parent->field_0x7c.BYTES.byte0 != 0) {
-                        this->parent->field_0x42 = 0x18;
+                        this->parent->knockbackDuration = 0x18;
                         this->parent->field_0x46 = 0x200;
-                        this->parent->field_0x3e = this->direction >> 3;
+                        this->parent->knockbackDirection = this->direction >> 3;
                     }
                     SoundReq(SFX_BOSS_HIT);
                     OctorokBossProjectile_Action2(this);
diff --git a/src/projectile/rockProjectile.c b/src/projectile/rockProjectile.c
index e9e47b2c..265a1e5b 100644
--- a/src/projectile/rockProjectile.c
+++ b/src/projectile/rockProjectile.c
@@ -23,7 +23,7 @@ void sub_080A8064(Entity* this) {
     if (this->bitfield == 0x80) {
         DeleteEntity(this);
     } else {
-        this->direction = this->field_0x3e;
+        this->direction = this->knockbackDirection;
         sub_080A8178(this);
     }
 }
diff --git a/src/projectile/v1DarkMagicProjectile.c b/src/projectile/v1DarkMagicProjectile.c
index baa70ecb..dc9c97c3 100644
--- a/src/projectile/v1DarkMagicProjectile.c
+++ b/src/projectile/v1DarkMagicProjectile.c
@@ -49,8 +49,8 @@ void sub_080AAC44(Entity* this) {
             CopyPosition(this->parent, this);
         }
     }
-    if (this->field_0x42 != 0) {
-        this->field_0x42 = 0;
+    if (this->knockbackDuration != 0) {
+        this->knockbackDuration = 0;
     }
 }