diff --git a/source/games/blood/src/actor.cpp b/source/games/blood/src/actor.cpp
index 81ab22b9f..a2eb98c56 100644
--- a/source/games/blood/src/actor.cpp
+++ b/source/games/blood/src/actor.cpp
@@ -3690,7 +3690,7 @@ static int actDamageDude(DBloodActor* source, DBloodActor* actor, int damage, DA
 	if (!nDamageFactor) return 0;
 	else if (nDamageFactor != 256) damage = MulScale(damage, nDamageFactor, 8);
 
-	if (!IsPlayerSprite(pSprite))
+	if (!actor->IsPlayerActor())
 	{
 		if (pXSprite->health <= 0) return 0;
 		damage = aiDamageSprite(source, actor, damageType, damage);
@@ -4259,7 +4259,7 @@ static void checkCeilHit(DBloodActor* actor)
 
 #ifdef NOONE_EXTENSIONS
 					// add size shroom abilities
-					if ((actor->IsPlayerActor() && isShrinked(pSprite)) || (IsPlayerSprite(pSprite2) && isGrown(pSprite2))) {
+					if ((actor->IsPlayerActor() && isShrinked(pSprite)) || (actor2->IsPlayerActor() && isGrown(pSprite2))) {
 
 						int mass1 = getDudeInfo(pSprite2->type)->mass;
 						int mass2 = getDudeInfo(pSprite->type)->mass;
@@ -5088,7 +5088,7 @@ void MoveDude(DBloodActor* actor)
 				}
 
 #ifdef NOONE_EXTENSIONS
-				if (IsDudeSprite(pSprite) && pXSprite->health > 0 && aiInPatrolState(nAiStateType))
+				if (actor->IsDudeActor() && pXSprite->health > 0 && aiInPatrolState(nAiStateType))
 					aiPatrolState(pSprite, kAiStatePatrolMoveL); // continue patrol when going from water
 #endif
 			}
@@ -5191,7 +5191,7 @@ void MoveDude(DBloodActor* actor)
 					}
 
 					// continue patrol when fall into water
-					if (IsDudeSprite(pSprite) && pXSprite->health > 0 && aiInPatrolState(nAiStateType))
+					if (actor->IsDudeActor() && pXSprite->health > 0 && aiInPatrolState(nAiStateType))
 						aiPatrolState(pSprite, kAiStatePatrolMoveW);
 
 				}
diff --git a/source/games/blood/src/aiunicult.cpp b/source/games/blood/src/aiunicult.cpp
index 725f87802..0452e3e1c 100644
--- a/source/games/blood/src/aiunicult.cpp
+++ b/source/games/blood/src/aiunicult.cpp
@@ -267,7 +267,7 @@ void genDudeAttack1(int, DBloodActor* actor)
                 spritetype* pSpawned = &spawned->s();
                 pSpawned->owner = pSprite->index;
 
-                if (xspriRangeIsFine(pSpawned->extra)) 
+                if (spawned->hasX()) 
                 {
                     spawned->SetTarget(actor->GetTarget());
                     if (spawned->GetTarget() != nullptr)
diff --git a/source/games/blood/src/callback.cpp b/source/games/blood/src/callback.cpp
index 93cc556c9..7cbacbab0 100644
--- a/source/games/blood/src/callback.cpp
+++ b/source/games/blood/src/callback.cpp
@@ -251,7 +251,8 @@ void Respawn(DBloodActor* actor, int) // 9
             pXSprite->respawnPending = 0;
             pXSprite->burnTime = 0;
             pXSprite->isTriggered = 0;
-            if (IsDudeSprite(pSprite)) {
+            if (actor->IsDudeActor()) 
+            {
                 int nType = pSprite->type-kDudeBase;
                 pSprite->x = actor->basePoint().x;
                 pSprite->y = actor->basePoint().y;
diff --git a/source/games/blood/src/nnexts.cpp b/source/games/blood/src/nnexts.cpp
index 8ce091148..b30c7971f 100644
--- a/source/games/blood/src/nnexts.cpp
+++ b/source/games/blood/src/nnexts.cpp
@@ -448,7 +448,7 @@ bool nnExtEraseModernStuff(DBloodActor* actor)
 
 //---------------------------------------------------------------------------
 //
-// todo later. This depends on condSerialize.
+
 //
 //---------------------------------------------------------------------------
 
@@ -2970,12 +2970,11 @@ void usePropertiesChanger(DBloodActor* sourceactor, int objType, int objIndex, D
                 }
 
                 // search for dudes in this sector and change their underwater status
-                int nSprite;
-                SectIterator it(objIndex);
-                while ((nSprite = it.NextIndex()) >= 0)
+                BloodSectIterator it(objIndex);
+                while (auto iactor = it.Next())
                 {
-                    spritetype* pSpr = &sprite[nSprite];
-                    if (pSpr->statnum != kStatDude || !IsDudeSprite(pSpr) || !xspriRangeIsFine(pSpr->extra))
+                    spritetype* pSpr = &iactor->s();
+                    if (pSpr->statnum != kStatDude || !iactor->IsDudeActor() || ! iactor->hasX())
                         continue;
 
                     PLAYER* pPlayer = getPlayerById(pSpr->type);
@@ -4445,7 +4444,7 @@ bool condCheckSprite(XSPRITE* pXCond, int cmpOp, bool PUSH) {
                 if ((pPlayer = getPlayerById(pSpr->type)) != NULL)
                     var = HitScan(pSpr, pPlayer->zWeapon, pPlayer->aim.dx, pPlayer->aim.dy, pPlayer->aim.dz, arg1, arg3 << 1);
                 else if (IsDudeSprite(pSpr))
-                    var = HitScan(pSpr, pSpr->z, bcos(pSpr->ang), bsin(pSpr->ang), (!xspriRangeIsFine(pSpr->extra)) ? 0 : spractor->dudeSlope, arg1, arg3 << 1);
+                var = HitScan(pSpr, pSpr->z, bcos(pSpr->ang), bsin(pSpr->ang), (!spractor->hasX()) ? 0 : spractor->dudeSlope, arg1, arg3 << 1);
                 else if ((var2 & CSTAT_SPRITE_ALIGNMENT_MASK) == CSTAT_SPRITE_ALIGNMENT_FLOOR) {
                     
                     var3 = (var2 & 0x0008) ? 0x10000 << 1 : -(0x10000 << 1);
@@ -5476,7 +5475,7 @@ bool modernTypeOperateSprite(DBloodActor* actor, EVENT event)
 
     }
 
-    if (pSprite->statnum == kStatDude && IsDudeSprite(pSprite)) 
+    if (pSprite->statnum == kStatDude && actor->IsDudeActor()) 
     {
         switch (event.cmd) 
         {