Renamed Entity fields for knockback

SolidifiedGaming identified these while glitchhunting.

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);
 }

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;

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;
         }
     }

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);

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;
     }
 }
 

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) {

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);

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);
     }
 }

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;
     }
 }