diff --git a/source/core/coreactor.h b/source/core/coreactor.h
index 659575de0..ac8c1d862 100644
--- a/source/core/coreactor.h
+++ b/source/core/coreactor.h
@@ -178,6 +178,37 @@ public:
 		spr.xint = int(spr.xint * v);
 	}
 
+	// Only used this way by Exhumed.
+	int int_yvel() const
+	{
+		return spr.yint;
+	}
+
+	double float_yvel() const
+	{
+		return spr.yint * inttoworld;
+	}
+
+	void clear_yvel()
+	{
+		spr.yint = 0;
+	}
+
+	void set_int_yvel(int v)
+	{
+		spr.yint = v;
+	}
+
+	void add_int_yvel(int v)
+	{
+		spr.yint += v;
+	}
+
+	void mul_int_yvel(double v)
+	{
+		spr.yint = int(spr.yint * v);
+	}
+
 	// Same as above but with inverted y and z axes to match the renderer's coordinate system.
 
 	double interpolatedx(double const smoothratio, int const scale = 16)
diff --git a/source/games/exhumed/src/anims.cpp b/source/games/exhumed/src/anims.cpp
index c3237e90f..3211f9028 100644
--- a/source/games/exhumed/src/anims.cpp
+++ b/source/games/exhumed/src/anims.cpp
@@ -87,7 +87,7 @@ DExhumedActor* BuildAnim(DExhumedActor* pActor, int val, int val2, const DVector
     pActor->spr.xoffset = 0;
     pActor->spr.yoffset = 0;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->backuppos();
 
diff --git a/source/games/exhumed/src/anubis.cpp b/source/games/exhumed/src/anubis.cpp
index 58bf6a12a..468662bec 100644
--- a/source/games/exhumed/src/anubis.cpp
+++ b/source/games/exhumed/src/anubis.cpp
@@ -69,7 +69,7 @@ void BuildAnubis(DExhumedActor* ap, const DVector3& pos, sectortype* pSector, in
     ap->spr.xrepeat = 40;
     ap->spr.yrepeat = 40;
     ap->clear_xvel();
-    ap->spr.yvel = 0;
+    ap->clear_yvel();
     ap->clear_zvel();
     ap->spr.hitag = 0;
     ap->spr.lotag = runlist_HeadRun() + 1;
@@ -215,7 +215,7 @@ void AIAnubis::Tick(RunListEvent* ev)
                         pTarget->spr.pos.plusZ(-GetActorHeightF(pTarget)), pTarget->sector()))
                     {
                         ap->clear_xvel();
-                        ap->spr.yvel = 0;
+                        ap->clear_yvel();
                         ap->spr.angle = VecToAngle(pTarget->spr.pos - ap->spr.pos);
 
                         ap->nAction = 3;
@@ -277,7 +277,7 @@ void AIAnubis::Tick(RunListEvent* ev)
     case 5:
     {
         ap->clear_xvel();
-        ap->spr.yvel = 0;
+        ap->clear_yvel();
 
         if (bVal)
         {
@@ -308,7 +308,7 @@ void AIAnubis::Tick(RunListEvent* ev)
             ap->nFrame = 0;
 
             ap->clear_xvel();
-            ap->spr.yvel = 0;
+            ap->clear_yvel();
         }
         return;
     }
@@ -334,7 +334,7 @@ void AIAnubis::Tick(RunListEvent* ev)
             ap->pTarget = nullptr;
 
             ap->clear_xvel();
-            ap->spr.yvel = 0;
+            ap->clear_yvel();
         }
     }
 }
@@ -414,7 +414,7 @@ void AIAnubis::Damage(RunListEvent* ev)
         {
             // he ded.
             ap->clear_xvel();
-            ap->spr.yvel = 0;
+            ap->clear_yvel();
             ap->clear_zvel();
 			ap->spr.pos.Z = ap->sector()->floorz;
             ap->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
diff --git a/source/games/exhumed/src/bubbles.cpp b/source/games/exhumed/src/bubbles.cpp
index b0dfaa8fb..f96ea3d4b 100644
--- a/source/games/exhumed/src/bubbles.cpp
+++ b/source/games/exhumed/src/bubbles.cpp
@@ -54,7 +54,7 @@ DExhumedActor* BuildBubble(const DVector3& pos, sectortype* pSector)
     pActor->spr.picnum = 1;
     pActor->set_int_ang(inita);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->set_int_zvel(-1200);
     pActor->spr.hitag = -1;
     pActor->spr.extra = -1;
diff --git a/source/games/exhumed/src/bullet.cpp b/source/games/exhumed/src/bullet.cpp
index 7f5209c2a..795dfac28 100644
--- a/source/games/exhumed/src/bullet.cpp
+++ b/source/games/exhumed/src/bullet.cpp
@@ -619,7 +619,7 @@ DExhumedActor* BuildBullet(DExhumedActor* pActor, int nType, int nZOffset, int n
     pBulletActor->spr.yoffset = 0;
     pBulletActor->set_int_ang(nAngle);
     pBulletActor->clear_xvel();
-    pBulletActor->spr.yvel = 0;
+    pBulletActor->clear_yvel();
     pBulletActor->clear_zvel();
     pBulletActor->spr.lotag = runlist_HeadRun() + 1;
     pBulletActor->spr.extra = -1;
diff --git a/source/games/exhumed/src/fish.cpp b/source/games/exhumed/src/fish.cpp
index d640fbdbf..a69ca5501 100644
--- a/source/games/exhumed/src/fish.cpp
+++ b/source/games/exhumed/src/fish.cpp
@@ -123,7 +123,7 @@ void AIFishLimb::Tick(RunListEvent* ev)
         if (coll.type != kHitNone)
         {
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
         }
     }
 
@@ -161,7 +161,7 @@ void BuildFish(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector,
     pActor->spr.yoffset = 0;
     pActor->spr.picnum = seq_GetSeqPicnum(kSeqFish, FishSeq[0].a, 0);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->set_int_ang(nAngle);
     pActor->spr.lotag = runlist_HeadRun() + 1;
@@ -379,7 +379,7 @@ void AIFish::Tick(RunListEvent* ev)
             else
             {
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
             }
 
             pActor->set_int_zvel(int((pTargetActor->spr.pos.Z - pActor->spr.pos.Z) * zworldtoint / 8));
diff --git a/source/games/exhumed/src/grenade.cpp b/source/games/exhumed/src/grenade.cpp
index 627861f68..4d11161d0 100644
--- a/source/games/exhumed/src/grenade.cpp
+++ b/source/games/exhumed/src/grenade.cpp
@@ -115,7 +115,7 @@ void BuildGrenade(int nPlayer)
     pActor->spr.angle = pPlayerActor->spr.angle;
     pActor->spr.intowner = nPlayer;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.hitag = 0;
     pActor->spr.lotag = runlist_HeadRun() + 1;
diff --git a/source/games/exhumed/src/items.cpp b/source/games/exhumed/src/items.cpp
index fce309246..dee19e803 100644
--- a/source/games/exhumed/src/items.cpp
+++ b/source/games/exhumed/src/items.cpp
@@ -422,7 +422,7 @@ void DoRegenerates()
         pActor->spr.yint = 0;
         pActor->spr.xint = 0;
 
-        pActor->spr.yvel = 0;
+        pActor->clear_yvel();
         pActor->clear_xvel();
         pActor->clear_zvel();
 
diff --git a/source/games/exhumed/src/lavadude.cpp b/source/games/exhumed/src/lavadude.cpp
index d73058bfa..0cb164501 100644
--- a/source/games/exhumed/src/lavadude.cpp
+++ b/source/games/exhumed/src/lavadude.cpp
@@ -78,7 +78,7 @@ void AILavaDudeLimb::Tick(RunListEvent* ev)
     if (coll.type || pActor->spr.shade > 100)
     {
         pActor->clear_xvel();
-        pActor->spr.yvel = 0;
+        pActor->clear_yvel();
         pActor->clear_zvel();
 
         runlist_DoSubRunRec(pActor->spr.intowner);
@@ -123,7 +123,7 @@ void BuildLava(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector,
     pActor->spr.yoffset = 0;
     pActor->spr.picnum = seq_GetSeqPicnum(kSeqLavag, LavadudeSeq[3].a, 0);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->set_int_ang(nAngle);
     pActor->spr.hitag = 0;
diff --git a/source/games/exhumed/src/lion.cpp b/source/games/exhumed/src/lion.cpp
index e88979828..d09b7edfc 100644
--- a/source/games/exhumed/src/lion.cpp
+++ b/source/games/exhumed/src/lion.cpp
@@ -66,7 +66,7 @@ void BuildLion(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector,
     pActor->spr.yoffset = 0;
     pActor->set_int_ang(nAngle);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.lotag = runlist_HeadRun() + 1;
     pActor->spr.hitag = 0;
@@ -120,7 +120,7 @@ void AILion::Damage(RunListEvent* ev)
         {
             // R.I.P.
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->clear_zvel();
             pActor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
 
@@ -161,7 +161,7 @@ void AILion::Damage(RunListEvent* ev)
                     {
                         pActor->nAction = 4;
                         pActor->clear_xvel();
-                        pActor->spr.yvel = 0;
+                        pActor->clear_yvel();
                     }
                     else if (RandomSize(1))
                     {
@@ -174,7 +174,7 @@ void AILion::Damage(RunListEvent* ev)
                     {
                         pActor->nAction = 8;
                         pActor->clear_xvel();
-                        pActor->spr.yvel = 0;
+                        pActor->clear_yvel();
                         pActor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
                     }
 
@@ -258,7 +258,7 @@ void AILion::Tick(RunListEvent* ev)
                 else
                 {
                     pActor->clear_xvel();
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                 }
 
                 pActor->nCount = 100;
@@ -305,7 +305,7 @@ void AILion::Tick(RunListEvent* ev)
                     pActor->nAction = 9;
                     pActor->spr.cstat &= ~CSTAT_SPRITE_INVISIBLE;
                     pActor->clear_xvel();
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                 }
                 else
                 {
@@ -529,7 +529,7 @@ void AILion::Tick(RunListEvent* ev)
             pActor->nCount = 100;
             pActor->pTarget = nullptr;
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
         }
     }
 }
diff --git a/source/games/exhumed/src/move.cpp b/source/games/exhumed/src/move.cpp
index 95b6ea0c5..9d982c8e7 100644
--- a/source/games/exhumed/src/move.cpp
+++ b/source/games/exhumed/src/move.cpp
@@ -1360,7 +1360,7 @@ void AICreatureChunk::Tick(RunListEvent* ev)
         pSector = pActor->sector();
 
         pActor->clear_xvel();
-        pActor->spr.yvel = 0;
+        pActor->clear_yvel();
         pActor->clear_zvel();
         pActor->spr.pos.Z = pSector->floorz;
     }
diff --git a/source/games/exhumed/src/mummy.cpp b/source/games/exhumed/src/mummy.cpp
index 7a799c45f..ac197ba52 100644
--- a/source/games/exhumed/src/mummy.cpp
+++ b/source/games/exhumed/src/mummy.cpp
@@ -54,7 +54,7 @@ void BuildMummy(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector,
     pActor->spr.shade = -12;
     pActor->spr.clipdist = 32;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.xrepeat = 42;
     pActor->spr.yrepeat = 42;
@@ -148,7 +148,7 @@ void AIMummy::Tick(RunListEvent* ev)
             pActor->nAction = 0;
             pActor->nFrame = 0;
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
         }
     }
 
@@ -208,7 +208,7 @@ void AIMummy::Tick(RunListEvent* ev)
                         pActor->nFrame = 0;
 
                         pActor->clear_xvel();
-                        pActor->spr.yvel = 0;
+                        pActor->clear_yvel();
                         return;
                     }
                 }
@@ -243,14 +243,14 @@ void AIMummy::Tick(RunListEvent* ev)
             {
                 pActor->spr.yvel -= 1024;
                 if (pActor->spr.yvel < 0) {
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                 }
             }
             else if (pActor->spr.yvel < 0)
             {
                 pActor->spr.yvel += 1024;
                 if (pActor->spr.yvel > 0) {
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                 }
             }
         }
@@ -276,7 +276,7 @@ void AIMummy::Tick(RunListEvent* ev)
                     pActor->nFrame = 0;
 
                     pActor->clear_xvel();
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                 }
             }
             return;
@@ -380,7 +380,7 @@ void AIMummy::Tick(RunListEvent* ev)
         if (bVal)
         {
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->spr.cstat = CSTAT_SPRITE_BLOCK_ALL;
 
             pActor->nAction = 0;
@@ -441,7 +441,7 @@ void AIMummy::Damage(RunListEvent* ev)
         pActor->nAction = 4;
 
         pActor->clear_xvel();
-        pActor->spr.yvel = 0;
+        pActor->clear_yvel();
         pActor->clear_zvel();
         pActor->spr.pos.Z = pActor->sector()->floorz;
     }
@@ -453,7 +453,7 @@ void AIMummy::Damage(RunListEvent* ev)
             pActor->nFrame = 0;
 
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
         }
     }
 
diff --git a/source/games/exhumed/src/object.cpp b/source/games/exhumed/src/object.cpp
index 8139e83fa..cf0c03e58 100644
--- a/source/games/exhumed/src/object.cpp
+++ b/source/games/exhumed/src/object.cpp
@@ -1203,7 +1203,7 @@ int BuildTrap(DExhumedActor* pActor, int edx, int ebx, int ecx)
 
     pActor->spr.cstat = CSTAT_SPRITE_INVISIBLE;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.extra = -1;
 
@@ -1447,7 +1447,7 @@ void AISpark::Tick(RunListEvent* ev)
     }
 
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
 
     if (pActor->spr.picnum > kTile3000) {
@@ -1584,7 +1584,7 @@ DExhumedActor* BuildEnergyBlock(sectortype* pSector)
     pActor->spr.xrepeat = nRepeat;
     pActor->spr.cstat = CSTAT_SPRITE_INVISIBLE;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.extra = -1;
     pActor->spr.lotag = runlist_HeadRun() + 1;
@@ -1785,7 +1785,7 @@ DExhumedActor* BuildObject(DExhumedActor* pActor, int nOjectType, int nHitag)
     // 0x7FFD to ensure set as blocking ('B' and 'H') sprite and also disable translucency and set not invisible
     pActor->spr.cstat = (pActor->spr.cstat | CSTAT_SPRITE_BLOCK_ALL) & ~(CSTAT_SPRITE_TRANSLUCENT | CSTAT_SPRITE_INVISIBLE);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.extra = -1;
     pActor->spr.lotag = runlist_HeadRun() + 1;
@@ -1902,7 +1902,7 @@ void AIObject::Tick(RunListEvent* ev)
 
             if (nMov.type == kHitSprite)
             {
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
                 pActor->clear_xvel();
             }
         }
@@ -2032,7 +2032,7 @@ void AIObject::RadialDamage(RunListEvent* ev)
         if (pActor->spr.statnum == kStatExplodeTarget)
         {
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->clear_zvel();
         }
         else if (pActor->spr.statnum != kStatAnubisDrum)
diff --git a/source/games/exhumed/src/player.cpp b/source/games/exhumed/src/player.cpp
index a71c520b9..a503f00f0 100644
--- a/source/games/exhumed/src/player.cpp
+++ b/source/games/exhumed/src/player.cpp
@@ -301,7 +301,7 @@ void RestartPlayer(int nPlayer)
 
 	int nHeight = GetActorHeight(pActor);
 	pActor->clear_xvel();
-	pActor->spr.yvel = 0;
+	pActor->clear_yvel();
 	pActor->clear_zvel();
 
 	nStandHeight = nHeight;
@@ -545,7 +545,7 @@ void SetPlayerMummified(int nPlayer, int bIsMummified)
 {
     DExhumedActor* pActor = PlayerList[nPlayer].pActor;
 
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_xvel();
 
     PlayerList[nPlayer].bIsMummified = bIsMummified;
@@ -924,7 +924,7 @@ void AIPlayer::Tick(RunListEvent* ev)
             lPlayerYVel = 0;
 
             pPlayerActor->clear_xvel();
-            pPlayerActor->spr.yvel = 0;
+            pPlayerActor->clear_yvel();
             pPlayerActor->clear_zvel();
 
             if (nFreeze < 1)
@@ -977,7 +977,7 @@ void AIPlayer::Tick(RunListEvent* ev)
                 if (PlayerList[nPlayer].nHealth <= 0)
                 {
                     pPlayerActor->clear_xvel();
-                    pPlayerActor->spr.yvel = 0;
+                    pPlayerActor->clear_yvel();
 
                     StopActorSound(pPlayerActor);
                     PlayFXAtXYZ(StaticSound[kSoundJonFDie], pPlayerActor->spr.pos, CHANF_NONE, 1); // CHECKME
diff --git a/source/games/exhumed/src/queen.cpp b/source/games/exhumed/src/queen.cpp
index 99ae35307..21311bc13 100644
--- a/source/games/exhumed/src/queen.cpp
+++ b/source/games/exhumed/src/queen.cpp
@@ -454,7 +454,7 @@ void BuildQueenEgg(int nQueen, int nVal)
         pActor2->spr.xrepeat = 60;
         pActor2->spr.yrepeat = 60;
         pActor2->clear_xvel();
-        pActor2->spr.yvel = 0;
+        pActor2->clear_yvel();
         pActor2->set_int_zvel(-2000);
         pActor2->spr.cstat = CSTAT_SPRITE_BLOCK_ALL;
     }
@@ -817,7 +817,7 @@ void AIQueenHead::Tick(RunListEvent* ev)
             else
             {
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
 
                 if (pActor->float_zvel() == 0)
                 {
@@ -1099,7 +1099,7 @@ void BuildQueen(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector,
     pActor->spr.picnum = 1;
     pActor->set_int_ang(nAngle);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.lotag = runlist_HeadRun() + 1;
     pActor->spr.extra = -1;
@@ -1223,7 +1223,7 @@ void AIQueen::Tick(RunListEvent* ev)
                 {
                     QueenList[nQueen].nFrame = 0;
                     pActor->clear_xvel();
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                     QueenList[nQueen].nAction = si + 4;
                     QueenList[nQueen].nIndex = RandomSize(6) + 30;
                     break;
@@ -1291,7 +1291,7 @@ void AIQueen::Tick(RunListEvent* ev)
                 QueenList[nQueen].pTarget = nullptr;
 
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
             }
         }
 
@@ -1420,7 +1420,7 @@ void AIQueen::Damage(RunListEvent* ev)
         if (QueenList[nQueen].nHealth <= 0)
         {
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->clear_zvel();
 
             QueenList[nQueen].nAction2++;
diff --git a/source/games/exhumed/src/ra.cpp b/source/games/exhumed/src/ra.cpp
index c91bfc206..e57d322a6 100644
--- a/source/games/exhumed/src/ra.cpp
+++ b/source/games/exhumed/src/ra.cpp
@@ -91,7 +91,7 @@ void BuildRa(int nPlayer)
 
     pActor->spr.cstat = CSTAT_SPRITE_INVISIBLE;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.extra = -1;
     pActor->spr.lotag = runlist_HeadRun() + 1;
diff --git a/source/games/exhumed/src/rat.cpp b/source/games/exhumed/src/rat.cpp
index f311d394c..047d27b0a 100644
--- a/source/games/exhumed/src/rat.cpp
+++ b/source/games/exhumed/src/rat.cpp
@@ -98,7 +98,7 @@ void BuildRat(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector, i
     pActor->spr.xrepeat = 50;
     pActor->spr.yrepeat = 50;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.lotag = runlist_HeadRun() + 1;
     pActor->spr.hitag = 0;
@@ -172,7 +172,7 @@ void AIRat::Damage(RunListEvent* ev)
     {
         pActor->spr.cstat = 0;
         pActor->clear_xvel();
-        pActor->spr.yvel = 0;
+        pActor->clear_yvel();
         pActor->nAction = 3;
         pActor->nFrame = 0;
     }
@@ -235,7 +235,7 @@ void AIRat::Tick(RunListEvent* ev)
             pActor->pTarget = nullptr;
 
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             return;
         }
 
@@ -273,7 +273,7 @@ void AIRat::Tick(RunListEvent* ev)
             pActor->pTarget = nullptr;
 
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
         }
 
         MoveCreature(pActor);
@@ -300,7 +300,7 @@ void AIRat::Tick(RunListEvent* ev)
         pActor->nPhase = RandomSize(3);
 
         pActor->clear_xvel();
-        pActor->spr.yvel = 0;
+        pActor->clear_yvel();
         return;
     }
     case 2:
@@ -320,7 +320,7 @@ void AIRat::Tick(RunListEvent* ev)
                 if (pActor->float_xvel() != 0 || pActor->spr.yvel)
                 {
                     pActor->clear_xvel();
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                     return;
                 }
 
diff --git a/source/games/exhumed/src/rex.cpp b/source/games/exhumed/src/rex.cpp
index e0faa259f..e579eff51 100644
--- a/source/games/exhumed/src/rex.cpp
+++ b/source/games/exhumed/src/rex.cpp
@@ -62,7 +62,7 @@ void BuildRex(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector, i
     pActor->spr.yoffset = 0;
     pActor->set_int_ang(nAngle);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.lotag = runlist_HeadRun() + 1;
     pActor->spr.extra = -1;
@@ -123,7 +123,7 @@ void AIRex::Damage(RunListEvent* ev)
             if (pActor->nHealth <= 0)
             {
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
                 pActor->clear_zvel();
                 pActor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
 
@@ -247,7 +247,7 @@ void AIRex::Tick(RunListEvent* ev)
                 pActor->nAction = 5;
                 pActor->nFrame = 0;
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
                 return;
             }
             else
@@ -438,7 +438,7 @@ void AIRex::Tick(RunListEvent* ev)
             pActor->nCount = 0;
             pActor->pTarget = nullptr;
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
         }
     }
     return;
diff --git a/source/games/exhumed/src/roach.cpp b/source/games/exhumed/src/roach.cpp
index 01ab2717c..c8257f6d6 100644
--- a/source/games/exhumed/src/roach.cpp
+++ b/source/games/exhumed/src/roach.cpp
@@ -60,7 +60,7 @@ void BuildRoach(int nType, DExhumedActor* pActor, const DVector3& pos, sectortyp
     pActor->spr.xrepeat = 40;
     pActor->spr.yrepeat = 40;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.hitag = 0;
     pActor->spr.lotag = runlist_HeadRun() + 1;
@@ -131,7 +131,7 @@ void AIRoach::Damage(RunListEvent* ev)
         if (pActor->nHealth <= 0)
         {
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->clear_zvel();
             pActor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
 
@@ -272,7 +272,7 @@ void AIRoach::Tick(RunListEvent* ev)
                 pActor->nAction = 3;
 
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
                 pActor->spr.angle = VecToAngle(pTarget->spr.pos - pActor->spr.pos);
 
                 pActor->nFrame = 0;
@@ -301,7 +301,7 @@ void AIRoach::Tick(RunListEvent* ev)
                 pActor->nAction = 3;
 
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
 				pActor->spr.angle = VecToAngle(pTarget->spr.pos - pActor->spr.pos);
 
                 pActor->nFrame = 0;
@@ -315,7 +315,7 @@ void AIRoach::Tick(RunListEvent* ev)
             pActor->nCount = 100;
             pActor->pTarget = nullptr;
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
         }
 
         return;
diff --git a/source/games/exhumed/src/scorp.cpp b/source/games/exhumed/src/scorp.cpp
index 4c9f4f9d5..56716512e 100644
--- a/source/games/exhumed/src/scorp.cpp
+++ b/source/games/exhumed/src/scorp.cpp
@@ -63,7 +63,7 @@ void BuildScorp(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector,
     pActor->spr.yoffset = 0;
     pActor->set_int_ang(nAngle);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.lotag = runlist_HeadRun() + 1;
     pActor->spr.extra = -1;
@@ -128,7 +128,7 @@ void AIScorp::Damage(RunListEvent* ev)
         pActor->nCount = 10;
 
         pActor->clear_xvel();
-        pActor->spr.yvel = 0;
+        pActor->clear_yvel();
         pActor->clear_zvel();
         pActor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
 
@@ -427,7 +427,7 @@ void AIScorp::Effect(RunListEvent* ev, DExhumedActor* pTarget, int mode)
                 pTarget->spr.pos.plusZ(-GetActorHeightF(pTarget)), pTarget->sector()))
             {
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
 				pActor->spr.angle = VecToAngle(pTarget->spr.pos - pActor->spr.pos);
 
                 pActor->nIndex = RandomSize(2) + RandomSize(3);
@@ -456,7 +456,7 @@ void AIScorp::Effect(RunListEvent* ev, DExhumedActor* pTarget, int mode)
         pActor->pTarget = nullptr;
 
         pActor->clear_xvel();
-        pActor->spr.yvel = 0;
+        pActor->clear_yvel();
     }
 }
 
diff --git a/source/games/exhumed/src/set.cpp b/source/games/exhumed/src/set.cpp
index 5c85c73c8..0d9ed4111 100644
--- a/source/games/exhumed/src/set.cpp
+++ b/source/games/exhumed/src/set.cpp
@@ -57,7 +57,7 @@ void BuildSet(DExhumedActor* pActor, const DVector3& pos, sectortype* pSector, i
     pActor->spr.shade = -12;
     pActor->spr.clipdist = 110;
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.xrepeat = 87;
     pActor->spr.yrepeat = 96;
@@ -106,7 +106,7 @@ void BuildSoul(DExhumedActor* pSet)
     pActor->spr.picnum = seq_GetSeqPicnum(kSeqSet, 75, 0);
     pActor->set_int_ang(RandomSize(11));
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->set_int_zvel((-256) - RandomSize(10));
     pActor->spr.pos = DVector3(pSet->spr.pos.XY(), RandomSize(8) + 32 + pActor->sector()->ceilingz - GetActorHeightF(pActor));
 
@@ -186,7 +186,7 @@ void AISet::Damage(RunListEvent* ev)
         if (pActor->nHealth <= 0)
         {
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->clear_zvel();
             pActor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
 
@@ -327,7 +327,7 @@ void AISet::Tick(RunListEvent* ev)
             pActor->nFrame = 0;
 
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
 
             pActor->pTarget = FindPlayer(pActor, 1000);
         }
@@ -358,7 +358,7 @@ void AISet::Tick(RunListEvent* ev)
                     pActor->nAction = 7;
                     pActor->nFrame = 0;
                     pActor->clear_xvel();
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                     return;
                 }
                 case 1:
@@ -369,7 +369,7 @@ void AISet::Tick(RunListEvent* ev)
                     pActor->nFrame = 0;
                     pActor->nRun = 5;
                     pActor->clear_xvel();
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                     return;
                 }
                 default:
@@ -412,7 +412,7 @@ void AISet::Tick(RunListEvent* ev)
                             pActor->nAction = 7;
                             pActor->nFrame = 0;
                             pActor->clear_xvel();
-                            pActor->spr.yvel = 0;
+                            pActor->clear_yvel();
                             return;
                         }
                     }
@@ -441,7 +441,7 @@ void AISet::Tick(RunListEvent* ev)
                     pActor->nAction = 7;
                     pActor->nFrame = 0;
                     pActor->clear_xvel();
-                    pActor->spr.yvel = 0;
+                    pActor->clear_yvel();
                     return;
                 }
             }
@@ -552,7 +552,7 @@ void AISet::Tick(RunListEvent* ev)
         if (bVal)
         {
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
 
             PlotCourseToSprite(pActor, pTarget);
 
@@ -561,7 +561,7 @@ void AISet::Tick(RunListEvent* ev)
             pActor->nRun = 5;
 
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
         }
         return;
     }
@@ -609,7 +609,7 @@ void AISet::Tick(RunListEvent* ev)
                 pActor->nCount = 100;
                 pActor->pTarget = nullptr;
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
             }
         }
     }
diff --git a/source/games/exhumed/src/snake.cpp b/source/games/exhumed/src/snake.cpp
index b91d4504a..748c3719e 100644
--- a/source/games/exhumed/src/snake.cpp
+++ b/source/games/exhumed/src/snake.cpp
@@ -216,7 +216,7 @@ void BuildSnake(int nPlayer, int zVal)
             pActor->spr.yoffset = 0;
             pActor->spr.angle = pPlayerActor->spr.angle;
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->clear_zvel();
             pActor->spr.hitag = 0;
             pActor->spr.extra = -1;
diff --git a/source/games/exhumed/src/spider.cpp b/source/games/exhumed/src/spider.cpp
index c274741ef..6379a94e4 100644
--- a/source/games/exhumed/src/spider.cpp
+++ b/source/games/exhumed/src/spider.cpp
@@ -55,7 +55,7 @@ DExhumedActor* BuildSpider(DExhumedActor* spp, const DVector3& pos, sectortype*
     spp->spr.shade = -12;
     spp->spr.clipdist = 15;
     spp->clear_xvel();
-    spp->spr.yvel = 0;
+    spp->clear_yvel();
     spp->clear_zvel();
     spp->spr.xrepeat = 40;
     spp->spr.yrepeat = 40;
@@ -199,7 +199,7 @@ void AISpider::Tick(RunListEvent* ev)
                 else
                 {
                     spp->clear_xvel();
-                    spp->spr.yvel = 0;
+                    spp->clear_yvel();
                 }
 
                 if (spp->nAction == 1 && RandomBit())
@@ -257,7 +257,7 @@ void AISpider::Tick(RunListEvent* ev)
             {
                 spp->nAction = 0;
                 spp->clear_xvel();
-                spp->spr.yvel = 0;
+                spp->clear_yvel();
             }
 
             spp->nFrame = 0;
@@ -272,7 +272,7 @@ void AISpider::Tick(RunListEvent* ev)
         spp->nFrame = 0;
 
         spp->clear_xvel();
-        spp->spr.yvel = 0;
+        spp->clear_yvel();
     }
 
     auto nMov = movesprite(spp, spp->int_xvel() << nVel, spp->spr.yvel << nVel, spp->int_zvel(), 1280, -1280, CLIPMASK0);
diff --git a/source/games/exhumed/src/wasp.cpp b/source/games/exhumed/src/wasp.cpp
index d6847d03f..07e2bd7c4 100644
--- a/source/games/exhumed/src/wasp.cpp
+++ b/source/games/exhumed/src/wasp.cpp
@@ -75,7 +75,7 @@ DExhumedActor* BuildWasp(DExhumedActor* pActor, const DVector3& pos, sectortype*
     pActor->spr.picnum = 1;
     pActor->set_int_ang(nAngle);
     pActor->clear_xvel();
-    pActor->spr.yvel = 0;
+    pActor->clear_yvel();
     pActor->clear_zvel();
     pActor->spr.hitag = 0;
     pActor->spr.lotag = runlist_HeadRun() + 1;
@@ -288,7 +288,7 @@ void AIWasp::Tick(RunListEvent* ev)
             if (nChaseVal.actor() == pTarget)
             {
                 pActor->clear_xvel();
-                pActor->spr.yvel = 0;
+                pActor->clear_yvel();
                 runlist_DamageEnemy(pTarget, pActor, pActor->nDamage);
                 pActor->nAction = 2;
                 pActor->nFrame = 0;
@@ -321,7 +321,7 @@ void AIWasp::Tick(RunListEvent* ev)
         //if (nMove.type != kHitNone) // The code messed up the return value so this check always was true.
         {
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->set_int_zvel(1024);
             pActor->nAction = 5;
             pActor->nFrame = 0;
@@ -344,7 +344,7 @@ void AIWasp::Tick(RunListEvent* ev)
             }
 
             pActor->clear_xvel();
-            pActor->spr.yvel = 0;
+            pActor->clear_yvel();
             pActor->clear_zvel();
             pActor->nAction = 6;
             pActor->nFrame = 0;