diff --git a/source/games/blood/src/animatesprite.cpp b/source/games/blood/src/animatesprite.cpp
index be1cb4c36..820c80d60 100644
--- a/source/games/blood/src/animatesprite.cpp
+++ b/source/games/blood/src/animatesprite.cpp
@@ -120,7 +120,7 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 		int perc = (100 * owneractor->xspr.data3) / kMaxPatrolSpotValue;
 		int width = (94 * owneractor->xspr.data3) / kMaxPatrolSpotValue;
 
-		int top, bottom;
+		double top, bottom;
 		GetSpriteExtents(pTSprite, &top, &bottom);
 
 		auto pNSprite2 = viewInsertTSprite(tsprites, pTSprite->sectp, 32767, pTSprite);
@@ -135,7 +135,7 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 		if (perc >= 75) pNSprite2->pal = 0;
 		else if (perc >= 50) pNSprite2->pal = 6;
 
-		pNSprite2->set_int_z(top - 2048);
+		pNSprite2->pos.Z = (top - 8);
 		pNSprite2->shade = -128;
 		break;
 	}
@@ -168,7 +168,7 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 	case kViewEffectFlag:
 	case kViewEffectBigFlag:
 	{
-		int top, bottom;
+		double top, bottom;
 		GetSpriteExtents(pTSprite, &top, &bottom);
 		auto pNSprite = viewInsertTSprite(tsprites, pTSprite->sectp, 32767, pTSprite);
 		if (!pNSprite)
@@ -176,7 +176,7 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 
 		pNSprite->shade = -128;
 		pNSprite->pal = 0;
-		pNSprite->set_int_z(top);
+		pNSprite->pos.Z = top;
 		if (nViewEffect == kViewEffectFlag)
 			pNSprite->xrepeat = pNSprite->yrepeat = 24;
 		else
@@ -229,14 +229,14 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 		if (!pNSprite)
 			break;
 
-		int top, bottom;
+		double top, bottom;
 		GetSpriteExtents(pTSprite, &top, &bottom);
+		pNSprite->pos.Z = top;
 		pNSprite->shade = 26;
 		pNSprite->pal = 0;
 		pNSprite->cstat |= CSTAT_SPRITE_TRANSLUCENT;
 		pNSprite->xrepeat = pNSprite->yrepeat = 24;
 		pNSprite->picnum = 626;
-		pNSprite->set_int_z(top);
 		break;
 	}
 	case kViewEffectTrail:
@@ -296,9 +296,9 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 		if (!pNSprite)
 			break;
 
-		int top, bottom;
+		double top, bottom;
 		GetSpriteExtents(pTSprite, &top, &bottom);
-		pNSprite->set_int_z(top);
+		pNSprite->pos.Z = top;
 		if (IsDudeSprite(pTSprite))
 			pNSprite->picnum = 672;
 		else
@@ -315,9 +315,9 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 		if (!pNSprite)
 			break;
 
-		int top, bottom;
+		double top, bottom;
 		GetSpriteExtents(pTSprite, &top, &bottom);
-		pNSprite->set_int_z(bottom);
+		pNSprite->pos.Z = bottom;
 		if (pTSprite->type >= kDudeBase && pTSprite->type < kDudeMax)
 			pNSprite->picnum = 672;
 		else
@@ -334,9 +334,9 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 		if (!pNSprite)
 			break;
 
-		int top, bottom;
+		double top, bottom;
 		GetSpriteExtents(pTSprite, &top, &bottom);
-		pNSprite->set_int_z(top);
+		pNSprite->pos.Z = top;
 		pNSprite->picnum = 2101;
 		pNSprite->shade = -128;
 		pNSprite->xrepeat = pNSprite->yrepeat = (tileWidth(pTSprite->picnum) * pTSprite->xrepeat) / 32;
@@ -348,9 +348,9 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 		if (!pNSprite)
 			break;
 
-		int top, bottom;
+		double top, bottom;
 		GetSpriteExtents(pTSprite, &top, &bottom);
-		pNSprite->set_int_z(bottom);
+		pNSprite->pos.Z = bottom;
 		pNSprite->picnum = 2101;
 		pNSprite->shade = -128;
 		pNSprite->xrepeat = pNSprite->yrepeat = (tileWidth(pTSprite->picnum) * pTSprite->xrepeat) / 32;
@@ -361,7 +361,7 @@ static tspritetype* viewAddEffect(tspriteArray& tsprites, int nTSprite, VIEW_EFF
 		auto pNSprite = viewInsertTSprite(tsprites, pTSprite->sectp, 32767, pTSprite);
 		if (!pNSprite)
 			break;
-		pNSprite->set_int_z(getflorzofslopeptr(pTSprite->sectp, pNSprite->int_pos().X, pNSprite->int_pos().Y));
+		pNSprite->pos.Z = getflorzofslopeptrf(pTSprite->sectp, pNSprite->pos);
 		if ((pNSprite->sectp->floorpicnum >= 4080) && (pNSprite->sectp->floorpicnum <= 4095) && !VanillaMode()) // if floor has ror, find actual floor
 		{
 			DVector3 cPos = pNSprite->pos;
diff --git a/source/games/blood/src/db.h b/source/games/blood/src/db.h
index b020bd083..48e52256d 100644
--- a/source/games/blood/src/db.h
+++ b/source/games/blood/src/db.h
@@ -92,6 +92,14 @@ void GetSpriteExtents(spritetypebase const* const pSprite, int* top, int* bottom
 	}
 }
 
+inline void GetSpriteExtents(spritetypebase const* const actor, double* top, double* bottom)
+{
+	int t, b;
+	GetSpriteExtents(actor, &t, &b);
+	*top = t * zinttoworld;
+	*bottom = b * zinttoworld;
+}
+
 struct BloodSpawnSpriteDef : public SpawnSpriteDef
 {
 	TArray<XSPRITE> xspr;
diff --git a/source/games/blood/src/nnexts.cpp b/source/games/blood/src/nnexts.cpp
index d3939f2c8..0ca5f82f0 100644
--- a/source/games/blood/src/nnexts.cpp
+++ b/source/games/blood/src/nnexts.cpp
@@ -3191,9 +3191,9 @@ void useTeleportTarget(DBloodActor* sourceactor, DBloodActor* actor)
 		ChangeActorSect(actor, sourceactor->sector());
 
 	actor->spr.pos.XY() =sourceactor->spr.pos.XY();
-	int zTop, zBot;
+	double zTop, zBot;
 	GetActorExtents(sourceactor, &zTop, &zBot);
-	actor->set_int_z(zBot);
+	actor->spr.pos.Z = zBot;
 
 	clampSprite(actor, 0x01);
 
@@ -6689,22 +6689,23 @@ void useIncDecGen(DBloodActor* sourceactor, int objType, sectortype* destSect, w
 
 void sprite2sectorSlope(DBloodActor* actor, sectortype* pSector, int rel, bool forcez)
 {
-	int slope = 0, z = 0;
+	int slope = 0;
+	double z = 0;
 	switch (rel) {
 	default:
-		z = getflorzofslopeptr(actor->sector(), actor->spr.pos);
+		z = getflorzofslopeptrf(actor->sector(), actor->spr.pos);
 		if ((actor->spr.cstat & CSTAT_SPRITE_ALIGNMENT_FLOOR) && actor->hasX() && actor->xspr.Touch) z--;
 		slope = pSector->floorheinum;
 		break;
 	case 1:
-		z = getceilzofslopeptr(actor->sector(), actor->spr.pos);
+		z = getceilzofslopeptrf(actor->sector(), actor->spr.pos);
 		if ((actor->spr.cstat & CSTAT_SPRITE_ALIGNMENT_FLOOR) && actor->hasX() && actor->xspr.Touch) z++;
 		slope = pSector->ceilingheinum;
 		break;
 	}
 
 	spriteSetSlope(actor, slope);
-	if (forcez) actor->set_int_z(z);
+	if (forcez) actor->spr.pos.Z = z;
 }
 
 //---------------------------------------------------------------------------
diff --git a/source/games/blood/src/warp.cpp b/source/games/blood/src/warp.cpp
index c62cb1dd6..8ce45fa22 100644
--- a/source/games/blood/src/warp.cpp
+++ b/source/games/blood/src/warp.cpp
@@ -139,7 +139,7 @@ void warpInit(TArray<DBloodActor*>& actors)
 				actor->sector()->upperLink = actor;
 				actor->spr.cstat |= CSTAT_SPRITE_INVISIBLE;
 				actor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
-				actor->set_int_z(getflorzofslopeptr(actor->sector(), actor->spr.pos));
+				actor->spr.pos.Z = getflorzofslopeptrf(actor->sector(), actor->spr.pos);
 				break;
 			case kMarkerLowWater:
 			case kMarkerLowStack:
@@ -147,7 +147,7 @@ void warpInit(TArray<DBloodActor*>& actors)
 				actor->sector()->lowerLink = actor;
 				actor->spr.cstat |= CSTAT_SPRITE_INVISIBLE;
 				actor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
-				actor->set_int_z(getceilzofslopeptr(actor->sector(), actor->spr.pos));
+				actor->spr.pos.Z = getceilzofslopeptrf(actor->sector(), actor->spr.pos);
 				break;
 			}
 		}