diff --git a/source/games/blood/src/player.cpp b/source/games/blood/src/player.cpp
index d9b3e712e..ff44f94b1 100644
--- a/source/games/blood/src/player.cpp
+++ b/source/games/blood/src/player.cpp
@@ -807,7 +807,7 @@ void playerStart(int nPlayer, int bNewLevel)
 		actor->spr.cstat2 |= CSTAT2_SPRITE_MAPPED;
 	int top, bottom;
 	GetActorExtents(actor, &top, &bottom);
-	actor->spr.pos.Z -= bottom - actor->spr.pos.Z;
+	actor->add_int_z(-(bottom - actor->spr.pos.Z));
 	actor->spr.pal = 11 + (pPlayer->teamId & 3);
 	actor->spr.ang = pStartZone->ang;
 	pPlayer->angle.ang = buildang(actor->spr.ang);
diff --git a/source/games/blood/src/triggers.cpp b/source/games/blood/src/triggers.cpp
index bd1f7307c..70940ad54 100644
--- a/source/games/blood/src/triggers.cpp
+++ b/source/games/blood/src/triggers.cpp
@@ -960,8 +960,7 @@ void TranslateSector(sectortype* pSector, int a2, int a3, int a4, int a5, int a6
 				if (v14)
 					RotatePoint((int*)&actor->spr.pos.X, (int*)&actor->spr.pos.Y, v14, v20, v24);
 				actor->spr.ang = (actor->spr.ang + v14) & 2047;
-				actor->spr.pos.X += v28;
-				actor->spr.pos.Y += v2c;
+				actor->add_int_pos({ v28, v2c, 0 });
 			}
 		}
 	}
@@ -1043,14 +1042,14 @@ void ZTranslateSector(sectortype* pSector, XSECTOR* pXSector, int a3, int a4)
 			if (actor->spr.cstat & CSTAT_SPRITE_MOVE_FORWARD)
 			{
 				viewBackupSpriteLoc(actor);
-				actor->spr.pos.Z += pSector->floorz - oldZ;
+				actor->add_int_z(pSector->floorz - oldZ);
 			}
 			else if (actor->spr.flags & 2)
 				actor->spr.flags |= 4;
 			else if (oldZ <= bottom && !(actor->spr.cstat & CSTAT_SPRITE_ALIGNMENT_MASK))
 			{
 				viewBackupSpriteLoc(actor);
-				actor->spr.pos.Z += pSector->floorz - oldZ;
+				actor->add_int_z(pSector->floorz - oldZ);
 			}
 		}
 
@@ -1088,7 +1087,7 @@ void ZTranslateSector(sectortype* pSector, XSECTOR* pXSector, int a3, int a4)
 			if (actor->spr.cstat & CSTAT_SPRITE_MOVE_REVERSE)
 			{
 				viewBackupSpriteLoc(actor);
-				actor->spr.pos.Z += pSector->ceilingz - oldZ;
+				actor->add_int_z(pSector->ceilingz - oldZ);
 			}
 		}
 
@@ -1241,7 +1240,7 @@ int VSpriteBusy(sectortype* pSector, unsigned int a2, DBloodActor* initiator)
 			if (actor->spr.cstat & CSTAT_SPRITE_MOVE_FORWARD)
 			{
 				viewBackupSpriteLoc(actor);
-				actor->spr.pos.Z = actor->basePoint.Z + MulScale(dz1, GetWaveValue(a2, nWave), 16);
+				actor->set_int_z(actor->basePoint.Z + MulScale(dz1, GetWaveValue(a2, nWave), 16));
 			}
 		}
 	}
@@ -1254,7 +1253,7 @@ int VSpriteBusy(sectortype* pSector, unsigned int a2, DBloodActor* initiator)
 			if (actor->spr.cstat & CSTAT_SPRITE_MOVE_REVERSE)
 			{
 				viewBackupSpriteLoc(actor);
-				actor->spr.pos.Z = actor->basePoint.Z + MulScale(dz2, GetWaveValue(a2, nWave), 16);
+				actor->set_int_z(actor->basePoint.Z + MulScale(dz2, GetWaveValue(a2, nWave), 16));
 			}
 		}
 	}
@@ -1633,9 +1632,8 @@ void OperateTeleport(sectortype* pSector)
 				{
 					TeleFrag(pXSector->actordata, destactor->sector());
 				}
-				actor->spr.pos.X = destactor->spr.pos.X;
-				actor->spr.pos.Y = destactor->spr.pos.Y;
-				actor->spr.pos.Z += destactor->sector()->floorz - pSector->floorz;
+				actor->set_int_xy(destactor->spr.pos.X, destactor->spr.pos.Y);
+				actor->add_int_z(destactor->sector()->floorz - pSector->floorz);
 				actor->spr.ang = destactor->spr.ang;
 				ChangeActorSect(actor, destactor->sector());
 				sfxPlay3DSound(destactor, 201, -1, 0);
@@ -2127,7 +2125,7 @@ void ProcessMotion(void)
 				if (actor->spr.cstat & CSTAT_SPRITE_MOVE_MASK)
 				{
 					viewBackupSpriteLoc(actor);
-					actor->spr.pos.Z += vdi;
+					actor->add_int_z(vdi);
 				}
 			}
 			if (pXSector->bobFloor)
@@ -2148,7 +2146,7 @@ void ProcessMotion(void)
 						if (bottom >= floorZ && (actor->spr.cstat & CSTAT_SPRITE_ALIGNMENT_MASK) == 0)
 						{
 							viewBackupSpriteLoc(actor);
-							actor->spr.pos.Z += vdi;
+							actor->add_int_z(vdi);
 						}
 					}
 				}
@@ -2167,7 +2165,7 @@ void ProcessMotion(void)
 					if (top <= ceilZ && (actor->spr.cstat & CSTAT_SPRITE_ALIGNMENT_MASK) == 0)
 					{
 						viewBackupSpriteLoc(actor);
-						actor->spr.pos.Z += vdi;
+						actor->add_int_z(vdi);
 					}
 				}
 			}
diff --git a/source/games/blood/src/warp.cpp b/source/games/blood/src/warp.cpp
index 8e2062237..34657f82c 100644
--- a/source/games/blood/src/warp.cpp
+++ b/source/games/blood/src/warp.cpp
@@ -147,7 +147,7 @@ void warpInit(TArray<DBloodActor*>& actors)
 				actor->sector()->upperLink = actor;
 				actor->spr.cstat |= CSTAT_SPRITE_INVISIBLE;
 				actor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
-				actor->spr.pos.Z = getflorzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
+				actor->set_int_z(getflorzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y));
 				break;
 			case kMarkerLowWater:
 			case kMarkerLowStack:
@@ -155,7 +155,7 @@ void warpInit(TArray<DBloodActor*>& actors)
 				actor->sector()->lowerLink = actor;
 				actor->spr.cstat |= CSTAT_SPRITE_INVISIBLE;
 				actor->spr.cstat &= ~CSTAT_SPRITE_BLOCK_ALL;
-				actor->spr.pos.Z = getceilzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
+				actor->set_int_z(getceilzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y));
 				break;
 			}
 		}
@@ -219,14 +219,16 @@ int CheckLink(DBloodActor* actor)
 			assert(aLower);
 			assert(aLower->insector());
 			ChangeActorSect(actor, aLower->sector());
-			actor->spr.pos.X += aLower->spr.pos.X - aUpper->spr.pos.X;
-			actor->spr.pos.Y += aLower->spr.pos.Y - aUpper->spr.pos.Y;
+			vec3_t add;
+			add.X = aLower->spr.pos.X - aUpper->spr.pos.X;
+			add.Y = aLower->spr.pos.Y - aUpper->spr.pos.Y;
 			int z2;
 			if (aLower->spr.type == kMarkerLowLink)
 				z2 = aLower->spr.pos.Z;
 			else
 				z2 = getceilzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
-			actor->spr.pos.Z += z2 - z;
+			add.Z = z2 - z;
+			actor->add_int_pos(add);
 			actor->interpolated = false;
 			return aUpper->spr.type;
 		}
@@ -244,14 +246,16 @@ int CheckLink(DBloodActor* actor)
 			assert(aUpper);
 			assert(aUpper->insector());
 			ChangeActorSect(actor, aUpper->sector());
-			actor->spr.pos.X += aUpper->spr.pos.X - aLower->spr.pos.X;
-			actor->spr.pos.Y += aUpper->spr.pos.Y - aLower->spr.pos.Y;
+			vec3_t add;
+			add.X = aUpper->spr.pos.X - aLower->spr.pos.X;
+			add.Y = aUpper->spr.pos.Y - aLower->spr.pos.Y;
 			int z2;
 			if (aUpper->spr.type == kMarkerUpLink)
 				z2 = aUpper->spr.pos.Z;
 			else
 				z2 = getflorzofslopeptr(actor->sector(), actor->spr.pos.X, actor->spr.pos.Y);
-			actor->spr.pos.Z += z2 - z;
+			add.Z = z2 - z;
+			actor->add_int_pos(add);
 			actor->interpolated = false;
 			return aLower->spr.type;
 		}