diff --git a/include/functions.h b/include/functions.h
index 08ce84c8cd..63714c622a 100644
--- a/include/functions.h
+++ b/include/functions.h
@@ -641,8 +641,8 @@ s32 func_800427B4(CollisionPoly* polyA, CollisionPoly* polyB, Vec3f* pointA, Vec
 void BgCheck_DrawDynaCollision(PlayState*, CollisionContext*);
 void BgCheck_DrawStaticCollision(PlayState*, CollisionContext*);
 void func_80043334(CollisionContext* colCtx, Actor* actor, s32 bgId);
-s32 func_800433A4(CollisionContext* colCtx, s32 bgId, Actor* actor);
-void DynaPolyActor_Init(DynaPolyActor* dynaActor, s32 flags);
+s32 DynaPolyActor_TransformCarriedActor(CollisionContext* colCtx, s32 bgId, Actor* carriedActor);
+void DynaPolyActor_Init(DynaPolyActor* dynaActor, s32 transformFlags);
 void DynaPolyActor_UnsetAllInteractFlags(DynaPolyActor* dynaActor);
 void DynaPolyActor_SetActorOnTop(DynaPolyActor* dynaActor);
 void DynaPoly_SetPlayerOnTop(CollisionContext* colCtx, s32 floorBgId);
diff --git a/include/z64.h b/include/z64.h
index 95aaab3584..06773d9be9 100644
--- a/include/z64.h
+++ b/include/z64.h
@@ -1303,13 +1303,6 @@ typedef struct {
     /* 0x1CAD6 */ s16 unk_1CAD6[5];
 } FileSelectState; // size = 0x1CAE0
 
-typedef enum {
-    DPM_UNK = 0,
-    DPM_PLAYER = 1,
-    DPM_ENEMY = 2,
-    DPM_UNK3 = 3
-} DynaPolyMoveFlag;
-
 typedef struct {
     /* 0x00 */ AnimationHeader* animation;
     /* 0x04 */ f32              playSpeed;
diff --git a/include/z64actor.h b/include/z64actor.h
index 0c2cdad1f4..e717fdfa10 100644
--- a/include/z64actor.h
+++ b/include/z64actor.h
@@ -254,6 +254,9 @@ if neither of the above are set : blue
 0x2000 : translucent, else opaque
 */
 
+#define DYNA_TRANSFORM_POS (1 << 0) // Position of the actors on top follows the dynapoly actor's movement.
+#define DYNA_TRANSFORM_ROT_Y (1 << 1) // The Y rotation of the actors on top follows the dynapoly actor's Y rotation.
+
 #define DYNA_INTERACT_ACTOR_ON_TOP (1 << 0) // There is an actor standing on the collision of the dynapoly actor
 #define DYNA_INTERACT_PLAYER_ON_TOP (1 << 1) // The player actor is standing on the collision of the dynapoly actor
 #define DYNA_INTERACT_PLAYER_ABOVE (1 << 2) // The player is directly above the collision of the dynapoly actor (any distance above)
@@ -265,8 +268,7 @@ typedef struct DynaPolyActor {
     /* 0x150 */ f32 unk_150;
     /* 0x154 */ f32 unk_154;
     /* 0x158 */ s16 unk_158; // y rotation?
-    /* 0x15A */ u16 unk_15A;
-    /* 0x15C */ u32 unk_15C;
+    /* 0x15C */ u32 transformFlags;
     /* 0x160 */ u8 interactFlags;
     /* 0x162 */ s16 unk_162;
 } DynaPolyActor; // size = 0x164
diff --git a/src/code/code_800430A0.c b/src/code/code_800430A0.c
index 95f7455ba6..1ab9b53243 100644
--- a/src/code/code_800430A0.c
+++ b/src/code/code_800430A0.c
@@ -1,7 +1,10 @@
 #include "global.h"
 #include "vt.h"
 
-void func_800430A0(CollisionContext* colCtx, s32 bgId, Actor* actor) {
+/**
+ * Update the `carriedActor`'s position based on the dynapoly actor identified by `bgId`.
+ */
+void DynaPolyActor_UpdateCarriedActorPos(CollisionContext* colCtx, s32 bgId, Actor* carriedActor) {
     MtxF prevTransform;
     MtxF prevTransformInv;
     MtxF curTransform;
@@ -9,22 +12,30 @@ void func_800430A0(CollisionContext* colCtx, s32 bgId, Actor* actor) {
     Vec3f tempPos;
 
     if (DynaPoly_IsBgIdBgActor(bgId)) {
+
         SkinMatrix_SetTranslateRotateYXZScale(
             &prevTransform, colCtx->dyna.bgActors[bgId].prevTransform.scale.x,
             colCtx->dyna.bgActors[bgId].prevTransform.scale.y, colCtx->dyna.bgActors[bgId].prevTransform.scale.z,
             colCtx->dyna.bgActors[bgId].prevTransform.rot.x, colCtx->dyna.bgActors[bgId].prevTransform.rot.y,
             colCtx->dyna.bgActors[bgId].prevTransform.rot.z, colCtx->dyna.bgActors[bgId].prevTransform.pos.x,
             colCtx->dyna.bgActors[bgId].prevTransform.pos.y, colCtx->dyna.bgActors[bgId].prevTransform.pos.z);
+
         if (SkinMatrix_Invert(&prevTransform, &prevTransformInv) != 2) {
+
             SkinMatrix_SetTranslateRotateYXZScale(
                 &curTransform, colCtx->dyna.bgActors[bgId].curTransform.scale.x,
                 colCtx->dyna.bgActors[bgId].curTransform.scale.y, colCtx->dyna.bgActors[bgId].curTransform.scale.z,
                 colCtx->dyna.bgActors[bgId].curTransform.rot.x, colCtx->dyna.bgActors[bgId].curTransform.rot.y,
                 colCtx->dyna.bgActors[bgId].curTransform.rot.z, colCtx->dyna.bgActors[bgId].curTransform.pos.x,
                 colCtx->dyna.bgActors[bgId].curTransform.pos.y, colCtx->dyna.bgActors[bgId].curTransform.pos.z);
-            SkinMatrix_Vec3fMtxFMultXYZ(&prevTransformInv, &actor->world.pos, &tempPos);
+
+            // Apply the movement of the dynapoly actor `bgId` over the last frame to the `carriedActor` position
+            // pos = curTransform * prevTransformInv * pos
+            // Note (curTransform * prevTransformInv) represents the transform relative to the previous frame
+            SkinMatrix_Vec3fMtxFMultXYZ(&prevTransformInv, &carriedActor->world.pos, &tempPos);
             SkinMatrix_Vec3fMtxFMultXYZ(&curTransform, &tempPos, &pos);
-            actor->world.pos = pos;
+            carriedActor->world.pos = pos;
+
             if (BGCHECK_XYZ_ABSMAX <= pos.x || pos.x <= -BGCHECK_XYZ_ABSMAX || BGCHECK_XYZ_ABSMAX <= pos.y ||
                 pos.y <= -BGCHECK_XYZ_ABSMAX || BGCHECK_XYZ_ABSMAX <= pos.z || pos.z <= -BGCHECK_XYZ_ABSMAX) {
 
@@ -41,18 +52,18 @@ void func_800430A0(CollisionContext* colCtx, s32 bgId, Actor* actor) {
 }
 
 /**
- * Rotate actor
+ * Update the `carriedActor`'s Y rotation based on the dynapoly actor identified by `bgId`.
  */
-void func_800432A0(CollisionContext* colCtx, s32 bgId, Actor* actor) {
+void DynaPolyActor_UpdateCarriedActorRotY(CollisionContext* colCtx, s32 bgId, Actor* carriedActor) {
     if (DynaPoly_IsBgIdBgActor(bgId)) {
-        s16 rot = colCtx->dyna.bgActors[bgId].curTransform.rot.y - colCtx->dyna.bgActors[bgId].prevTransform.rot.y;
+        s16 rotY = colCtx->dyna.bgActors[bgId].curTransform.rot.y - colCtx->dyna.bgActors[bgId].prevTransform.rot.y;
 
-        if (actor->id == ACTOR_PLAYER) {
-            ((Player*)actor)->currentYaw += rot;
+        if (carriedActor->id == ACTOR_PLAYER) {
+            ((Player*)carriedActor)->currentYaw += rotY;
         }
 
-        actor->shape.rot.y += rot;
-        actor->world.rot.y += rot;
+        carriedActor->shape.rot.y += rotY;
+        carriedActor->world.rot.y += rotY;
     }
 }
 
@@ -70,14 +81,14 @@ void func_80043334(CollisionContext* colCtx, Actor* actor, s32 bgId) {
 }
 
 /**
- * Transform actor's position
- * `actor` is the actor to update
+ * Update the `carriedActor`'s position and Y rotation based on the dynapoly actor identified by `bgId`, according to
+ * the dynapoly actor's move flags (see `DYNA_TRANSFORM_POS` and `DYNA_TRANSFORM_ROT_Y`).
  */
-s32 func_800433A4(CollisionContext* colCtx, s32 bgId, Actor* actor) {
+s32 DynaPolyActor_TransformCarriedActor(CollisionContext* colCtx, s32 bgId, Actor* carriedActor) {
     s32 result = false;
     DynaPolyActor* dynaActor;
 
-    if (DynaPoly_IsBgIdBgActor(bgId) == false) {
+    if (!DynaPoly_IsBgIdBgActor(bgId)) {
         return false;
     }
 
@@ -91,13 +102,13 @@ s32 func_800433A4(CollisionContext* colCtx, s32 bgId, Actor* actor) {
         return false;
     }
 
-    if (dynaActor->unk_15C & 1) {
-        func_800430A0(colCtx, bgId, actor);
+    if (dynaActor->transformFlags & DYNA_TRANSFORM_POS) {
+        DynaPolyActor_UpdateCarriedActorPos(colCtx, bgId, carriedActor);
         result = true;
     }
 
-    if (dynaActor->unk_15C & 2) {
-        func_800432A0(colCtx, bgId, actor);
+    if (dynaActor->transformFlags & DYNA_TRANSFORM_ROT_Y) {
+        DynaPolyActor_UpdateCarriedActorRotY(colCtx, bgId, carriedActor);
         result = true;
     }
 
diff --git a/src/code/code_80043480.c b/src/code/code_80043480.c
index bcf2e0dd99..548ff4d0b7 100644
--- a/src/code/code_80043480.c
+++ b/src/code/code_80043480.c
@@ -1,8 +1,12 @@
 #include "global.h"
 
-void DynaPolyActor_Init(DynaPolyActor* dynaActor, s32 flags) {
+/**
+ * @param transformFlags How other actors standing on the dynapoly actor's collision move when the dynapoly actor moves.
+ *   See `DYNA_TRANSFORM_POS`, `DYNA_TRANSFORM_ROT_Y`.
+ */
+void DynaPolyActor_Init(DynaPolyActor* dynaActor, s32 transformFlags) {
     dynaActor->bgId = -1;
-    dynaActor->unk_15C = flags;
+    dynaActor->transformFlags = transformFlags;
     dynaActor->interactFlags = 0;
     dynaActor->unk_150 = 0.0f;
     dynaActor->unk_154 = 0.0f;
diff --git a/src/code/z_actor.c b/src/code/z_actor.c
index 738fff1fb2..ef5748d594 100644
--- a/src/code/z_actor.c
+++ b/src/code/z_actor.c
@@ -1238,7 +1238,7 @@ void Actor_UpdateBgCheckInfo(PlayState* play, Actor* actor, f32 wallCheckHeight,
     sp74 = actor->world.pos.y - actor->prevPos.y;
 
     if ((actor->floorBgId != BGCHECK_SCENE) && (actor->bgCheckFlags & BGCHECKFLAG_GROUND)) {
-        func_800433A4(&play->colCtx, actor->floorBgId, actor);
+        DynaPolyActor_TransformCarriedActor(&play->colCtx, actor->floorBgId, actor);
     }
 
     if (flags & UPDBGCHECKINFO_FLAG_0) {
diff --git a/src/code/z_en_a_keep.c b/src/code/z_en_a_keep.c
index ade2467f73..376476ca45 100644
--- a/src/code/z_en_a_keep.c
+++ b/src/code/z_en_a_keep.c
@@ -114,7 +114,7 @@ void EnAObj_Init(Actor* thisx, PlayState* play) {
     thisx->focus.pos = thisx->world.pos;
     this->dyna.bgId = BGACTOR_NEG_ONE;
     this->dyna.interactFlags = 0;
-    this->dyna.unk_15C = DPM_UNK;
+    this->dyna.transformFlags = 0;
     thisx->uncullZoneDownward = 1200.0f;
     thisx->uncullZoneScale = 200.0f;
 
diff --git a/src/overlays/actors/ovl_Bg_Bdan_Objects/z_bg_bdan_objects.c b/src/overlays/actors/ovl_Bg_Bdan_Objects/z_bg_bdan_objects.c
index 3a246de55e..798a717e0c 100644
--- a/src/overlays/actors/ovl_Bg_Bdan_Objects/z_bg_bdan_objects.c
+++ b/src/overlays/actors/ovl_Bg_Bdan_Objects/z_bg_bdan_objects.c
@@ -110,7 +110,7 @@ void BgBdanObjects_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     this->switchFlag = (thisx->params >> 8) & 0x3F;
     thisx->params &= 0xFF;
     if (thisx->params == 2) {
diff --git a/src/overlays/actors/ovl_Bg_Bdan_Switch/z_bg_bdan_switch.c b/src/overlays/actors/ovl_Bg_Bdan_Switch/z_bg_bdan_switch.c
index dcde8ae0f1..40b32988f5 100644
--- a/src/overlays/actors/ovl_Bg_Bdan_Switch/z_bg_bdan_switch.c
+++ b/src/overlays/actors/ovl_Bg_Bdan_Switch/z_bg_bdan_switch.c
@@ -155,7 +155,7 @@ void BgBdanSwitch_Init(Actor* thisx, PlayState* play) {
         case BLUE:
         case YELLOW_HEAVY:
         case YELLOW:
-            BgBdanSwitch_InitDynaPoly(this, play, &gJabuFloorSwitchCol, DPM_PLAYER);
+            BgBdanSwitch_InitDynaPoly(this, play, &gJabuFloorSwitchCol, DYNA_TRANSFORM_POS);
             break;
         case YELLOW_TALL_1:
         case YELLOW_TALL_2:
diff --git a/src/overlays/actors/ovl_Bg_Bom_Guard/z_bg_bom_guard.c b/src/overlays/actors/ovl_Bg_Bom_Guard/z_bg_bom_guard.c
index 874ed0892a..b6227d7870 100644
--- a/src/overlays/actors/ovl_Bg_Bom_Guard/z_bg_bom_guard.c
+++ b/src/overlays/actors/ovl_Bg_Bom_Guard/z_bg_bom_guard.c
@@ -38,7 +38,7 @@ void BgBomGuard_Init(Actor* thisx, PlayState* play) {
     s32 pad[2];
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gBowlingDefaultCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
 
diff --git a/src/overlays/actors/ovl_Bg_Bombwall/z_bg_bombwall.c b/src/overlays/actors/ovl_Bg_Bombwall/z_bg_bombwall.c
index 22404a818e..ffdc5ef7ca 100644
--- a/src/overlays/actors/ovl_Bg_Bombwall/z_bg_bombwall.c
+++ b/src/overlays/actors/ovl_Bg_Bombwall/z_bg_bombwall.c
@@ -86,7 +86,7 @@ void BgBombwall_InitDynapoly(BgBombwall* this, PlayState* play) {
     s32 pad2;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gBgBombwallCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 
diff --git a/src/overlays/actors/ovl_Bg_Bowl_Wall/z_bg_bowl_wall.c b/src/overlays/actors/ovl_Bg_Bowl_Wall/z_bg_bowl_wall.c
index a3620305b5..122359fb68 100644
--- a/src/overlays/actors/ovl_Bg_Bowl_Wall/z_bg_bowl_wall.c
+++ b/src/overlays/actors/ovl_Bg_Bowl_Wall/z_bg_bowl_wall.c
@@ -50,7 +50,7 @@ void BgBowlWall_Init(Actor* thisx, PlayState* play) {
     s32 pad2;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
 
     if (this->dyna.actor.params == 0) {
         CollisionHeader_GetVirtual(&gBowlingFirstAndFinalRoundCol, &colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Breakwall/z_bg_breakwall.c b/src/overlays/actors/ovl_Bg_Breakwall/z_bg_breakwall.c
index 89027f53b7..6450793b53 100644
--- a/src/overlays/actors/ovl_Bg_Breakwall/z_bg_breakwall.c
+++ b/src/overlays/actors/ovl_Bg_Breakwall/z_bg_breakwall.c
@@ -82,7 +82,7 @@ void BgBreakwall_Init(Actor* thisx, PlayState* play) {
     s32 wallType = ((this->dyna.actor.params >> 13) & 3) & 0xFF;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     this->bombableWallDList = sBombableWallInfo[wallType].dList;
     this->colType = sBombableWallInfo[wallType].colType;
 
diff --git a/src/overlays/actors/ovl_Bg_Ddan_Jd/z_bg_ddan_jd.c b/src/overlays/actors/ovl_Bg_Ddan_Jd/z_bg_ddan_jd.c
index 6e9e370741..e62ccf003b 100644
--- a/src/overlays/actors/ovl_Bg_Ddan_Jd/z_bg_ddan_jd.c
+++ b/src/overlays/actors/ovl_Bg_Ddan_Jd/z_bg_ddan_jd.c
@@ -56,7 +56,7 @@ void BgDdanJd_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(&gDodongoRisingPlatformCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     this->idleTimer = IDLE_FRAMES;
diff --git a/src/overlays/actors/ovl_Bg_Ddan_Kd/z_bg_ddan_kd.c b/src/overlays/actors/ovl_Bg_Ddan_Kd/z_bg_ddan_kd.c
index 13002a1bed..6241a90f01 100644
--- a/src/overlays/actors/ovl_Bg_Ddan_Kd/z_bg_ddan_kd.c
+++ b/src/overlays/actors/ovl_Bg_Ddan_Kd/z_bg_ddan_kd.c
@@ -69,7 +69,7 @@ void BgDdanKd_Init(Actor* thisx, PlayState* play) {
     this->prevExplosive = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     Collider_InitCylinder(play, &this->collider);
     Collider_SetCylinder(play, &this->collider, &this->dyna.actor, &sCylinderInit);
     CollisionHeader_GetVirtual(&gDodongoFallingStairsCol, &colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Dodoago/z_bg_dodoago.c b/src/overlays/actors/ovl_Bg_Dodoago/z_bg_dodoago.c
index 8427de56fc..dee1cbb25e 100644
--- a/src/overlays/actors/ovl_Bg_Dodoago/z_bg_dodoago.c
+++ b/src/overlays/actors/ovl_Bg_Dodoago/z_bg_dodoago.c
@@ -113,7 +113,7 @@ void BgDodoago_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gDodongoLowerJawCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     ActorShape_Init(&this->dyna.actor.shape, 0.0f, NULL, 0.0f);
diff --git a/src/overlays/actors/ovl_Bg_Ganon_Otyuka/z_bg_ganon_otyuka.c b/src/overlays/actors/ovl_Bg_Ganon_Otyuka/z_bg_ganon_otyuka.c
index 26c91bd2e7..8c9338b6c0 100644
--- a/src/overlays/actors/ovl_Bg_Ganon_Otyuka/z_bg_ganon_otyuka.c
+++ b/src/overlays/actors/ovl_Bg_Ganon_Otyuka/z_bg_ganon_otyuka.c
@@ -71,7 +71,7 @@ void BgGanonOtyuka_Init(Actor* thisx, PlayState* play2) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(thisx, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&sCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
 
diff --git a/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.c b/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.c
index f54b714916..85ac70a6ff 100644
--- a/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.c
+++ b/src/overlays/actors/ovl_Bg_Gate_Shutter/z_bg_gate_shutter.c
@@ -37,7 +37,7 @@ void BgGateShutter_Init(Actor* thisx, PlayState* play) {
     s32 pad[2];
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gKakarikoGuardGateCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
     this->somePos.x = thisx->world.pos.x;
diff --git a/src/overlays/actors/ovl_Bg_Gjyo_Bridge/z_bg_gjyo_bridge.c b/src/overlays/actors/ovl_Bg_Gjyo_Bridge/z_bg_gjyo_bridge.c
index 9051a1137d..cb05b3d395 100644
--- a/src/overlays/actors/ovl_Bg_Gjyo_Bridge/z_bg_gjyo_bridge.c
+++ b/src/overlays/actors/ovl_Bg_Gjyo_Bridge/z_bg_gjyo_bridge.c
@@ -44,7 +44,7 @@ void BgGjyoBridge_Init(Actor* thisx, PlayState* play) {
     colHeader = NULL;
 
     Actor_ProcessInitChain(thisx, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gRainbowBridgeCol, &colHeader);
 
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Gnd_Firemeiro/z_bg_gnd_firemeiro.c b/src/overlays/actors/ovl_Bg_Gnd_Firemeiro/z_bg_gnd_firemeiro.c
index 1943c3055c..6a426f340d 100644
--- a/src/overlays/actors/ovl_Bg_Gnd_Firemeiro/z_bg_gnd_firemeiro.c
+++ b/src/overlays/actors/ovl_Bg_Gnd_Firemeiro/z_bg_gnd_firemeiro.c
@@ -40,7 +40,7 @@ void BgGndFiremeiro_Init(Actor* thisx, PlayState* play) {
     this->initPos = this->dyna.actor.world.pos;
 
     if (this->dyna.actor.params == 0) {
-        DynaPolyActor_Init(&this->dyna, DPM_UNK);
+        DynaPolyActor_Init(&this->dyna, 0);
         CollisionHeader_GetVirtual(&gFireTrialPlatformCol, &colHeader);
         this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
         this->actionFunc = BgGndFiremeiro_Rise;
diff --git a/src/overlays/actors/ovl_Bg_Gnd_Iceblock/z_bg_gnd_iceblock.c b/src/overlays/actors/ovl_Bg_Gnd_Iceblock/z_bg_gnd_iceblock.c
index 68616ba3b1..64070f80c7 100644
--- a/src/overlays/actors/ovl_Bg_Gnd_Iceblock/z_bg_gnd_iceblock.c
+++ b/src/overlays/actors/ovl_Bg_Gnd_Iceblock/z_bg_gnd_iceblock.c
@@ -50,7 +50,7 @@ void BgGndIceblock_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gWaterTrialIceBlockCol, &colHeader);
     this->targetPos = this->dyna.actor.home.pos;
     this->actionFunc = BgGndIceblock_Idle;
diff --git a/src/overlays/actors/ovl_Bg_Haka/z_bg_haka.c b/src/overlays/actors/ovl_Bg_Haka/z_bg_haka.c
index 06ab4f165f..8138abf3c1 100644
--- a/src/overlays/actors/ovl_Bg_Haka/z_bg_haka.c
+++ b/src/overlays/actors/ovl_Bg_Haka/z_bg_haka.c
@@ -43,7 +43,7 @@ void BgHaka_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gGravestoneCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     this->actionFunc = func_8087B7E8;
diff --git a/src/overlays/actors/ovl_Bg_Haka_Gate/z_bg_haka_gate.c b/src/overlays/actors/ovl_Bg_Haka_Gate/z_bg_haka_gate.c
index f422b9169d..4df9bb9b4e 100644
--- a/src/overlays/actors/ovl_Bg_Haka_Gate/z_bg_haka_gate.c
+++ b/src/overlays/actors/ovl_Bg_Haka_Gate/z_bg_haka_gate.c
@@ -76,7 +76,7 @@ void BgHakaGate_Init(Actor* thisx, PlayState* play) {
     Actor_ProcessInitChain(thisx, sInitChain);
     this->switchFlag = (thisx->params >> 8) & 0xFF;
     thisx->params &= 0xFF;
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     if (thisx->params == BGHAKAGATE_SKULL) {
         if (sSkullOfTruthRotY != 0x100) {
             this->actionFunc = BgHakaGate_FalseSkull;
diff --git a/src/overlays/actors/ovl_Bg_Haka_Huta/z_bg_haka_huta.c b/src/overlays/actors/ovl_Bg_Haka_Huta/z_bg_haka_huta.c
index ccff819b8b..598ef2c117 100644
--- a/src/overlays/actors/ovl_Bg_Haka_Huta/z_bg_haka_huta.c
+++ b/src/overlays/actors/ovl_Bg_Haka_Huta/z_bg_haka_huta.c
@@ -45,7 +45,7 @@ void BgHakaHuta_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(thisx, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(&gBotwCoffinLidCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
     this->unk_16A = (thisx->params >> 8) & 0xFF;
diff --git a/src/overlays/actors/ovl_Bg_Haka_Megane/z_bg_haka_megane.c b/src/overlays/actors/ovl_Bg_Haka_Megane/z_bg_haka_megane.c
index d3154f7459..a729f78785 100644
--- a/src/overlays/actors/ovl_Bg_Haka_Megane/z_bg_haka_megane.c
+++ b/src/overlays/actors/ovl_Bg_Haka_Megane/z_bg_haka_megane.c
@@ -63,7 +63,7 @@ void BgHakaMegane_Init(Actor* thisx, PlayState* play) {
     BgHakaMegane* this = (BgHakaMegane*)thisx;
 
     Actor_ProcessInitChain(thisx, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
 
     if (thisx->params < 3) {
         this->objBankIndex = Object_GetIndex(&play->objectCtx, OBJECT_HAKACH_OBJECTS);
diff --git a/src/overlays/actors/ovl_Bg_Haka_MeganeBG/z_bg_haka_meganebg.c b/src/overlays/actors/ovl_Bg_Haka_MeganeBG/z_bg_haka_meganebg.c
index 3942b8adbf..36e1b2d6b8 100644
--- a/src/overlays/actors/ovl_Bg_Haka_MeganeBG/z_bg_haka_meganebg.c
+++ b/src/overlays/actors/ovl_Bg_Haka_MeganeBG/z_bg_haka_meganebg.c
@@ -63,12 +63,12 @@ void BgHakaMeganeBG_Init(Actor* thisx, PlayState* play) {
     thisx->params &= 0xFF;
 
     if (thisx->params == 2) {
-        DynaPolyActor_Init(&this->dyna, DPM_UNK3);
+        DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS | DYNA_TRANSFORM_ROT_Y);
         thisx->flags |= ACTOR_FLAG_4;
         CollisionHeader_GetVirtual(&object_haka_objects_Col_005334, &colHeader);
         this->actionFunc = func_8087E258;
     } else {
-        DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+        DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
 
         if (thisx->params == 0) {
             CollisionHeader_GetVirtual(&object_haka_objects_Col_009168, &colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Haka_Ship/z_bg_haka_ship.c b/src/overlays/actors/ovl_Bg_Haka_Ship/z_bg_haka_ship.c
index a4e7f5cded..767ceed65b 100644
--- a/src/overlays/actors/ovl_Bg_Haka_Ship/z_bg_haka_ship.c
+++ b/src/overlays/actors/ovl_Bg_Haka_Ship/z_bg_haka_ship.c
@@ -43,7 +43,7 @@ void BgHakaShip_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, 1);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     this->switchFlag = (thisx->params >> 8) & 0xFF;
     this->dyna.actor.params &= 0xFF;
 
diff --git a/src/overlays/actors/ovl_Bg_Haka_Trap/z_bg_haka_trap.c b/src/overlays/actors/ovl_Bg_Haka_Trap/z_bg_haka_trap.c
index cfb65bed4d..40c92a62d9 100644
--- a/src/overlays/actors/ovl_Bg_Haka_Trap/z_bg_haka_trap.c
+++ b/src/overlays/actors/ovl_Bg_Haka_Trap/z_bg_haka_trap.c
@@ -130,7 +130,7 @@ void BgHakaTrap_Init(Actor* thisx, PlayState* play) {
 
             this->actionFunc = func_80880484;
         } else {
-            DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+            DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
             thisx->flags |= ACTOR_FLAG_4;
 
             if (thisx->params == HAKA_TRAP_SPIKED_BOX) {
diff --git a/src/overlays/actors/ovl_Bg_Haka_Tubo/z_bg_haka_tubo.c b/src/overlays/actors/ovl_Bg_Haka_Tubo/z_bg_haka_tubo.c
index 54c2baf4cc..76a43dcbac 100644
--- a/src/overlays/actors/ovl_Bg_Haka_Tubo/z_bg_haka_tubo.c
+++ b/src/overlays/actors/ovl_Bg_Haka_Tubo/z_bg_haka_tubo.c
@@ -82,7 +82,7 @@ void BgHakaTubo_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK3);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS | DYNA_TRANSFORM_ROT_Y);
     CollisionHeader_GetVirtual(&object_haka_objects_Col_0108B8, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     Collider_InitCylinder(play, &this->potCollider);
diff --git a/src/overlays/actors/ovl_Bg_Heavy_Block/z_bg_heavy_block.c b/src/overlays/actors/ovl_Bg_Heavy_Block/z_bg_heavy_block.c
index 09ae894532..269e99dc6c 100644
--- a/src/overlays/actors/ovl_Bg_Heavy_Block/z_bg_heavy_block.c
+++ b/src/overlays/actors/ovl_Bg_Heavy_Block/z_bg_heavy_block.c
@@ -76,7 +76,7 @@ void BgHeavyBlock_SetupDynapoly(BgHeavyBlock* this, PlayState* play) {
     s32 pad[2];
     CollisionHeader* colHeader = NULL;
     this->dyna.actor.flags |= ACTOR_FLAG_4 | ACTOR_FLAG_5 | ACTOR_FLAG_17;
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gHeavyBlockCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 }
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Dalm/z_bg_hidan_dalm.c b/src/overlays/actors/ovl_Bg_Hidan_Dalm/z_bg_hidan_dalm.c
index a0a305d4cc..b9c1143a1a 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Dalm/z_bg_hidan_dalm.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Dalm/z_bg_hidan_dalm.c
@@ -100,7 +100,7 @@ void BgHidanDalm_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(thisx, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gFireTempleHammerableTotemCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
     Collider_InitTris(play, &this->collider);
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Fslift/z_bg_hidan_fslift.c b/src/overlays/actors/ovl_Bg_Hidan_Fslift/z_bg_hidan_fslift.c
index f14353e0d5..3d02eaeb01 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Fslift/z_bg_hidan_fslift.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Fslift/z_bg_hidan_fslift.c
@@ -44,7 +44,7 @@ void BgHidanFslift_Init(Actor* thisx, PlayState* play) {
     s32 pad2;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(&gFireTempleHookshotElevatorCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
     if (Actor_SpawnAsChild(&play->actorCtx, &this->dyna.actor, play, ACTOR_OBJ_HSBLOCK, this->dyna.actor.world.pos.x,
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Hamstep/z_bg_hidan_hamstep.c b/src/overlays/actors/ovl_Bg_Hidan_Hamstep/z_bg_hidan_hamstep.c
index 89e35e26b8..d3a0bf9edb 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Hamstep/z_bg_hidan_hamstep.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Hamstep/z_bg_hidan_hamstep.c
@@ -134,7 +134,7 @@ void BgHidanHamstep_Init(Actor* thisx, PlayState* play) {
     s32 i2;
     BgHidanHamstep* step;
 
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
 
     if ((this->dyna.actor.params & 0xFF) == 0) {
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Hrock/z_bg_hidan_hrock.c b/src/overlays/actors/ovl_Bg_Hidan_Hrock/z_bg_hidan_hrock.c
index 4d86d48545..e7e0b9194c 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Hrock/z_bg_hidan_hrock.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Hrock/z_bg_hidan_hrock.c
@@ -88,7 +88,7 @@ void BgHidanHrock_Init(Actor* thisx, PlayState* play) {
     thisx->params = (thisx->params >> 8) & 0xFF;
     Collider_InitTris(play, &this->collider);
     Collider_SetTris(play, &this->collider, thisx, &sTrisInit, this->colliderItems);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
 
     sinRotY = Math_SinS(thisx->shape.rot.y);
     cosRotY = Math_CosS(thisx->shape.rot.y);
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Kousi/z_bg_hidan_kousi.c b/src/overlays/actors/ovl_Bg_Hidan_Kousi/z_bg_hidan_kousi.c
index 4e46a4549a..55b46ff623 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Kousi/z_bg_hidan_kousi.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Kousi/z_bg_hidan_kousi.c
@@ -67,7 +67,7 @@ void BgHidanKousi_Init(Actor* thisx, PlayState* play) {
     s32 pad;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     Actor_SetFocus(thisx, 50.0f);
     osSyncPrintf("◯◯◯炎の神殿オブジェクト【格子(arg_data : %0x)】出現 (%d %d)\n", thisx->params, thisx->params & 0xFF,
                  ((s32)thisx->params >> 8) & 0xFF);
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Kowarerukabe/z_bg_hidan_kowarerukabe.c b/src/overlays/actors/ovl_Bg_Hidan_Kowarerukabe/z_bg_hidan_kowarerukabe.c
index 2a2413b470..92b008b020 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Kowarerukabe/z_bg_hidan_kowarerukabe.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Kowarerukabe/z_bg_hidan_kowarerukabe.c
@@ -78,7 +78,7 @@ void BgHidanKowarerukabe_InitDynaPoly(BgHidanKowarerukabe* this, PlayState* play
     s32 pad2;
 
     if (collisionHeaders[this->dyna.actor.params & 0xFF] != NULL) {
-        DynaPolyActor_Init(&this->dyna, DPM_UNK);
+        DynaPolyActor_Init(&this->dyna, 0);
         CollisionHeader_GetVirtual(collisionHeaders[this->dyna.actor.params & 0xFF], &colHeader);
         this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     } else {
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Rock/z_bg_hidan_rock.c b/src/overlays/actors/ovl_Bg_Hidan_Rock/z_bg_hidan_rock.c
index a624b7084a..f12ba8f796 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Rock/z_bg_hidan_rock.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Rock/z_bg_hidan_rock.c
@@ -72,7 +72,7 @@ void BgHidanRock_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(thisx, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
 
     this->type = thisx->params & 0xFF;
     this->unk_169 = 0;
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Rsekizou/z_bg_hidan_rsekizou.c b/src/overlays/actors/ovl_Bg_Hidan_Rsekizou/z_bg_hidan_rsekizou.c
index 9aab264ccb..40e1bdc222 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Rsekizou/z_bg_hidan_rsekizou.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Rsekizou/z_bg_hidan_rsekizou.c
@@ -127,7 +127,7 @@ void BgHidanRsekizou_Init(Actor* thisx, PlayState* play) {
 
     colHeader = NULL;
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gFireTempleSpinningFlamethrowerCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     Collider_InitJntSph(play, &this->collider);
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Sekizou/z_bg_hidan_sekizou.c b/src/overlays/actors/ovl_Bg_Hidan_Sekizou/z_bg_hidan_sekizou.c
index d904c2216b..a268721f62 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Sekizou/z_bg_hidan_sekizou.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Sekizou/z_bg_hidan_sekizou.c
@@ -151,7 +151,7 @@ void BgHidanSekizou_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     Collider_InitJntSph(play, &this->collider);
     Collider_SetJntSph(play, &this->collider, &this->dyna.actor, &sJntSphInit, this->elements);
     for (i = 0; i < ARRAY_COUNT(this->elements); i++) {
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Sima/z_bg_hidan_sima.c b/src/overlays/actors/ovl_Bg_Hidan_Sima/z_bg_hidan_sima.c
index 8ee7ed17ce..254d50e396 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Sima/z_bg_hidan_sima.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Sima/z_bg_hidan_sima.c
@@ -87,7 +87,7 @@ void BgHidanSima_Init(Actor* thisx, PlayState* play) {
     s32 i;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     if (this->dyna.actor.params == 0) {
         CollisionHeader_GetVirtual(&gFireTempleStonePlatform1Col, &colHeader);
     } else {
diff --git a/src/overlays/actors/ovl_Bg_Hidan_Syoku/z_bg_hidan_syoku.c b/src/overlays/actors/ovl_Bg_Hidan_Syoku/z_bg_hidan_syoku.c
index f4213b6985..7fd38e9349 100644
--- a/src/overlays/actors/ovl_Bg_Hidan_Syoku/z_bg_hidan_syoku.c
+++ b/src/overlays/actors/ovl_Bg_Hidan_Syoku/z_bg_hidan_syoku.c
@@ -40,7 +40,7 @@ void BgHidanSyoku_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(&gFireTempleFlareDancerPlatformCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     this->actionFunc = func_8088F4B8;
diff --git a/src/overlays/actors/ovl_Bg_Ice_Objects/z_bg_ice_objects.c b/src/overlays/actors/ovl_Bg_Ice_Objects/z_bg_ice_objects.c
index efea29dffe..46a00a47ef 100644
--- a/src/overlays/actors/ovl_Bg_Ice_Objects/z_bg_ice_objects.c
+++ b/src/overlays/actors/ovl_Bg_Ice_Objects/z_bg_ice_objects.c
@@ -45,7 +45,7 @@ void BgIceObjects_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&object_ice_objects_Col_0003F0, &colHeader);
     Math_Vec3f_Copy(&this->targetPos, &this->dyna.actor.home.pos);
     this->actionFunc = BgIceObjects_Idle;
diff --git a/src/overlays/actors/ovl_Bg_Ice_Shutter/z_bg_ice_shutter.c b/src/overlays/actors/ovl_Bg_Ice_Shutter/z_bg_ice_shutter.c
index a168d910a2..f2e2750f7e 100644
--- a/src/overlays/actors/ovl_Bg_Ice_Shutter/z_bg_ice_shutter.c
+++ b/src/overlays/actors/ovl_Bg_Ice_Shutter/z_bg_ice_shutter.c
@@ -53,7 +53,7 @@ void BgIceShutter_Init(Actor* thisx, PlayState* play) {
 
     colHeader = NULL;
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     sp28 = this->dyna.actor.params & 0xFF;
     this->dyna.actor.params = (this->dyna.actor.params >> 8) & 0xFF;
     CollisionHeader_GetVirtual(&object_ice_objects_Col_002854, &colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Ice_Turara/z_bg_ice_turara.c b/src/overlays/actors/ovl_Bg_Ice_Turara/z_bg_ice_turara.c
index 8052ac3230..154c5f8ce4 100644
--- a/src/overlays/actors/ovl_Bg_Ice_Turara/z_bg_ice_turara.c
+++ b/src/overlays/actors/ovl_Bg_Ice_Turara/z_bg_ice_turara.c
@@ -65,7 +65,7 @@ void BgIceTurara_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&object_ice_objects_Col_002594, &colHeader);
     Collider_InitCylinder(play, &this->collider);
     Collider_SetCylinder(play, &this->collider, &this->dyna.actor, &sCylinderInit);
diff --git a/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c b/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
index 037ac6d6e3..df0cdd482c 100644
--- a/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
+++ b/src/overlays/actors/ovl_Bg_Ingate/z_bg_ingate.c
@@ -39,7 +39,7 @@ void BgInGate_Init(Actor* thisx, PlayState* play) {
     s32 pad;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gIngoGateCol, &colHeader);
 
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Jya_Amishutter/z_bg_jya_amishutter.c b/src/overlays/actors/ovl_Bg_Jya_Amishutter/z_bg_jya_amishutter.c
index 6f15b918b3..b51516e74c 100644
--- a/src/overlays/actors/ovl_Bg_Jya_Amishutter/z_bg_jya_amishutter.c
+++ b/src/overlays/actors/ovl_Bg_Jya_Amishutter/z_bg_jya_amishutter.c
@@ -59,7 +59,7 @@ void BgJyaAmishutter_InitDynaPoly(BgJyaAmishutter* this, PlayState* play, Collis
 void BgJyaAmishutter_Init(Actor* thisx, PlayState* play) {
     BgJyaAmishutter* this = (BgJyaAmishutter*)thisx;
 
-    BgJyaAmishutter_InitDynaPoly(this, play, &gAmishutterCol, DPM_UNK);
+    BgJyaAmishutter_InitDynaPoly(this, play, &gAmishutterCol, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     BgJyaAmishutter_SetupWaitForPlayer(this);
 }
diff --git a/src/overlays/actors/ovl_Bg_Jya_Bombiwa/z_bg_jya_bombiwa.c b/src/overlays/actors/ovl_Bg_Jya_Bombiwa/z_bg_jya_bombiwa.c
index 969d77cccc..7d776b4f52 100644
--- a/src/overlays/actors/ovl_Bg_Jya_Bombiwa/z_bg_jya_bombiwa.c
+++ b/src/overlays/actors/ovl_Bg_Jya_Bombiwa/z_bg_jya_bombiwa.c
@@ -96,7 +96,7 @@ void BgJyaBombiwa_Init(Actor* thisx, PlayState* play) {
                      this->dyna.actor.params & 0x3F);
         osSyncPrintf(VT_RST);
     }
-    BgJyaBombiwa_SetupDynaPoly(this, play, &gBombiwaCol, DPM_UNK);
+    BgJyaBombiwa_SetupDynaPoly(this, play, &gBombiwaCol, 0);
     BgJyaBombiwa_InitCollider(this, play);
     if (Flags_GetSwitch(play, this->dyna.actor.params & 0x3F)) {
         Actor_Kill(&this->dyna.actor);
diff --git a/src/overlays/actors/ovl_Bg_Jya_Cobra/z_bg_jya_cobra.c b/src/overlays/actors/ovl_Bg_Jya_Cobra/z_bg_jya_cobra.c
index 83fcf3750b..daaac02b6a 100644
--- a/src/overlays/actors/ovl_Bg_Jya_Cobra/z_bg_jya_cobra.c
+++ b/src/overlays/actors/ovl_Bg_Jya_Cobra/z_bg_jya_cobra.c
@@ -397,7 +397,7 @@ void BgJyaCobra_UpdateShadowFromTop(BgJyaCobra* this) {
 void BgJyaCobra_Init(Actor* thisx, PlayState* play) {
     BgJyaCobra* this = (BgJyaCobra*)thisx;
 
-    BgJyaCobra_InitDynapoly(this, play, &gCobraCol, DPM_UNK);
+    BgJyaCobra_InitDynapoly(this, play, &gCobraCol, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     if (!(this->dyna.actor.params & 3) && Flags_GetSwitch(play, ((s32)this->dyna.actor.params >> 8) & 0x3F)) {
         this->dyna.actor.world.rot.y = this->dyna.actor.home.rot.y = this->dyna.actor.shape.rot.y = 0;
diff --git a/src/overlays/actors/ovl_Bg_Jya_Kanaami/z_bg_jya_kanaami.c b/src/overlays/actors/ovl_Bg_Jya_Kanaami/z_bg_jya_kanaami.c
index ca31b8c1e8..44b4d7428f 100644
--- a/src/overlays/actors/ovl_Bg_Jya_Kanaami/z_bg_jya_kanaami.c
+++ b/src/overlays/actors/ovl_Bg_Jya_Kanaami/z_bg_jya_kanaami.c
@@ -56,7 +56,7 @@ void BgJyaKanaami_InitDynaPoly(BgJyaKanaami* this, PlayState* play, CollisionHea
 void BgJyaKanaami_Init(Actor* thisx, PlayState* play) {
     BgJyaKanaami* this = (BgJyaKanaami*)thisx;
 
-    BgJyaKanaami_InitDynaPoly(this, play, &gKanaamiCol, DPM_UNK);
+    BgJyaKanaami_InitDynaPoly(this, play, &gKanaamiCol, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     if (Flags_GetSwitch(play, this->dyna.actor.params & 0x3F)) {
         func_80899A08(this);
diff --git a/src/overlays/actors/ovl_Bg_Jya_Lift/z_bg_jya_lift.c b/src/overlays/actors/ovl_Bg_Jya_Lift/z_bg_jya_lift.c
index a5ffc9b9c0..8dc65b0f2e 100644
--- a/src/overlays/actors/ovl_Bg_Jya_Lift/z_bg_jya_lift.c
+++ b/src/overlays/actors/ovl_Bg_Jya_Lift/z_bg_jya_lift.c
@@ -61,7 +61,7 @@ void BgJyaLift_Init(Actor* thisx, PlayState* play) {
 
     // "Goddess lift CT"
     osSyncPrintf("女神リフト CT\n");
-    BgJyaLift_InitDynapoly(this, play, &gLiftCol, DPM_UNK);
+    BgJyaLift_InitDynapoly(this, play, &gLiftCol, 0);
     Actor_ProcessInitChain(thisx, sInitChain);
     if (Flags_GetSwitch(play, (thisx->params & 0x3F))) {
         BgJyaLift_SetFinalPosY(this);
diff --git a/src/overlays/actors/ovl_Bg_Jya_Megami/z_bg_jya_megami.c b/src/overlays/actors/ovl_Bg_Jya_Megami/z_bg_jya_megami.c
index c9030b8035..045d995f2f 100644
--- a/src/overlays/actors/ovl_Bg_Jya_Megami/z_bg_jya_megami.c
+++ b/src/overlays/actors/ovl_Bg_Jya_Megami/z_bg_jya_megami.c
@@ -159,7 +159,7 @@ void BgJyaMegami_SetupSpawnEffect(BgJyaMegami* this, PlayState* play, f32 arg2)
 void BgJyaMegami_Init(Actor* thisx, PlayState* play) {
     BgJyaMegami* this = (BgJyaMegami*)thisx;
 
-    BgJyaMegami_InitDynaPoly(this, play, &GMegamiCol, DPM_UNK);
+    BgJyaMegami_InitDynaPoly(this, play, &GMegamiCol, 0);
     BgJyaMegami_InitCollider(this, play);
     if (Flags_GetSwitch(play, this->dyna.actor.params & 0x3F)) {
         Actor_Kill(&this->dyna.actor);
diff --git a/src/overlays/actors/ovl_Bg_Jya_Zurerukabe/z_bg_jya_zurerukabe.c b/src/overlays/actors/ovl_Bg_Jya_Zurerukabe/z_bg_jya_zurerukabe.c
index 3e6a7458f8..8f0ddc5a3a 100644
--- a/src/overlays/actors/ovl_Bg_Jya_Zurerukabe/z_bg_jya_zurerukabe.c
+++ b/src/overlays/actors/ovl_Bg_Jya_Zurerukabe/z_bg_jya_zurerukabe.c
@@ -110,7 +110,7 @@ void BgJyaZurerukabe_Init(Actor* thisx, PlayState* play) {
     BgJyaZurerukabe* this = (BgJyaZurerukabe*)thisx;
     s32 i;
 
-    BgJyaZurerukabe_InitDynaPoly(this, play, &gZurerukabeCol, DPM_UNK);
+    BgJyaZurerukabe_InitDynaPoly(this, play, &gZurerukabeCol, 0);
     Actor_ProcessInitChain(thisx, sInitChain);
 
     for (i = 0; i < ARRAY_COUNT(D_8089B9F0); i++) {
diff --git a/src/overlays/actors/ovl_Bg_Menkuri_Kaiten/z_bg_menkuri_kaiten.c b/src/overlays/actors/ovl_Bg_Menkuri_Kaiten/z_bg_menkuri_kaiten.c
index eb4fe0f171..148d8537c9 100644
--- a/src/overlays/actors/ovl_Bg_Menkuri_Kaiten/z_bg_menkuri_kaiten.c
+++ b/src/overlays/actors/ovl_Bg_Menkuri_Kaiten/z_bg_menkuri_kaiten.c
@@ -36,7 +36,7 @@ void BgMenkuriKaiten_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK3);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS | DYNA_TRANSFORM_ROT_Y);
     CollisionHeader_GetVirtual(&gGTGRotatingRingPlatformCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 }
diff --git a/src/overlays/actors/ovl_Bg_Mizu_Bwall/z_bg_mizu_bwall.c b/src/overlays/actors/ovl_Bg_Mizu_Bwall/z_bg_mizu_bwall.c
index b12b244980..375179042b 100644
--- a/src/overlays/actors/ovl_Bg_Mizu_Bwall/z_bg_mizu_bwall.c
+++ b/src/overlays/actors/ovl_Bg_Mizu_Bwall/z_bg_mizu_bwall.c
@@ -177,7 +177,7 @@ void BgMizuBwall_Init(Actor* thisx, PlayState* play) {
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     this->yRot = this->dyna.actor.world.pos.y;
     this->dList = sDLists[(u16)this->dyna.actor.params & 0xF];
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(sColHeaders[(u16)this->dyna.actor.params & 0xF], &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 
diff --git a/src/overlays/actors/ovl_Bg_Mizu_Movebg/z_bg_mizu_movebg.c b/src/overlays/actors/ovl_Bg_Mizu_Movebg/z_bg_mizu_movebg.c
index 1da79726a6..939d33f4b8 100644
--- a/src/overlays/actors/ovl_Bg_Mizu_Movebg/z_bg_mizu_movebg.c
+++ b/src/overlays/actors/ovl_Bg_Mizu_Movebg/z_bg_mizu_movebg.c
@@ -89,7 +89,7 @@ void BgMizuMovebg_Init(Actor* thisx, PlayState* play) {
     Actor_ProcessInitChain(thisx, sInitChain);
     ((BgMizuMovebg*)thisx)->homeY = thisx->world.pos.y;
     ((BgMizuMovebg*)thisx)->dlist = D_8089EB50[MOVEBG_TYPE(thisx->params)];
-    DynaPolyActor_Init(&((BgMizuMovebg*)thisx)->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&((BgMizuMovebg*)thisx)->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(D_8089EB70[MOVEBG_TYPE(thisx->params)], &colHeader);
     ((BgMizuMovebg*)thisx)->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
 
diff --git a/src/overlays/actors/ovl_Bg_Mizu_Shutter/z_bg_mizu_shutter.c b/src/overlays/actors/ovl_Bg_Mizu_Shutter/z_bg_mizu_shutter.c
index 0855aca933..b3a7d5d356 100644
--- a/src/overlays/actors/ovl_Bg_Mizu_Shutter/z_bg_mizu_shutter.c
+++ b/src/overlays/actors/ovl_Bg_Mizu_Shutter/z_bg_mizu_shutter.c
@@ -53,7 +53,7 @@ void BgMizuShutter_Init(Actor* thisx, PlayState* play) {
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     this->displayList = sDisplayLists[BGMIZUSHUTTER_SIZE_PARAM(&this->dyna.actor)];
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(sCollisionHeaders[BGMIZUSHUTTER_SIZE_PARAM(&this->dyna.actor)], &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 
diff --git a/src/overlays/actors/ovl_Bg_Mizu_Uzu/z_bg_mizu_uzu.c b/src/overlays/actors/ovl_Bg_Mizu_Uzu/z_bg_mizu_uzu.c
index f94d66f948..94238e0410 100644
--- a/src/overlays/actors/ovl_Bg_Mizu_Uzu/z_bg_mizu_uzu.c
+++ b/src/overlays/actors/ovl_Bg_Mizu_Uzu/z_bg_mizu_uzu.c
@@ -41,7 +41,7 @@ void BgMizuUzu_Init(Actor* thisx, PlayState* play) {
     s32 pad2;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gObjectMizuObjectsUzuCol_0074EC, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     this->actionFunc = func_8089F788;
diff --git a/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c b/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c
index 887c76a7f7..f332ea8c5b 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c
+++ b/src/overlays/actors/ovl_Bg_Mori_Bigst/z_bg_mori_bigst.c
@@ -74,7 +74,7 @@ void BgMoriBigst_Init(Actor* thisx, PlayState* play) {
                  Flags_GetSwitch(play, (this->dyna.actor.params >> 8) & 0x3F),
                  Flags_GetTempClear(play, this->dyna.actor.room), Flags_GetClear(play, this->dyna.actor.room),
                  GET_PLAYER(play)->actor.world.pos.y);
-    BgMoriBigst_InitDynapoly(this, play, &gMoriBigstCol, DPM_UNK);
+    BgMoriBigst_InitDynapoly(this, play, &gMoriBigstCol, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     this->moriTexObjIndex = Object_GetIndex(&play->objectCtx, OBJECT_MORI_TEX);
     if (this->moriTexObjIndex < 0) {
diff --git a/src/overlays/actors/ovl_Bg_Mori_Elevator/z_bg_mori_elevator.c b/src/overlays/actors/ovl_Bg_Mori_Elevator/z_bg_mori_elevator.c
index c13f55b1dd..99987ff78f 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Elevator/z_bg_mori_elevator.c
+++ b/src/overlays/actors/ovl_Bg_Mori_Elevator/z_bg_mori_elevator.c
@@ -100,7 +100,7 @@ void BgMoriElevator_Init(Actor* thisx, PlayState* play) {
                 sIsSpawned = true;
                 this->dyna.actor.room = -1;
                 Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-                DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+                DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
                 CollisionHeader_GetVirtual(&gMoriElevatorCol, &colHeader);
                 this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
                 BgMoriElevator_SetupWaitAfterInit(this);
diff --git a/src/overlays/actors/ovl_Bg_Mori_Hashigo/z_bg_mori_hashigo.c b/src/overlays/actors/ovl_Bg_Mori_Hashigo/z_bg_mori_hashigo.c
index 812e8c79c6..c765f38701 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Hashigo/z_bg_mori_hashigo.c
+++ b/src/overlays/actors/ovl_Bg_Mori_Hashigo/z_bg_mori_hashigo.c
@@ -144,7 +144,7 @@ s32 BgMoriHashigo_InitClasp(BgMoriHashigo* this, PlayState* play) {
 }
 
 s32 BgMoriHashigo_InitLadder(BgMoriHashigo* this, PlayState* play) {
-    BgMoriHashigo_InitDynapoly(this, play, &gMoriHashigoCol, DPM_UNK);
+    BgMoriHashigo_InitDynapoly(this, play, &gMoriHashigoCol, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChainLadder);
     return true;
 }
diff --git a/src/overlays/actors/ovl_Bg_Mori_Hashira4/z_bg_mori_hashira4.c b/src/overlays/actors/ovl_Bg_Mori_Hashira4/z_bg_mori_hashira4.c
index 3478ee6482..db53e9bc6d 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Hashira4/z_bg_mori_hashira4.c
+++ b/src/overlays/actors/ovl_Bg_Mori_Hashira4/z_bg_mori_hashira4.c
@@ -73,9 +73,9 @@ void BgMoriHashira4_Init(Actor* thisx, PlayState* play) {
     this->dyna.actor.params &= 0xFF;
 
     if (this->dyna.actor.params == 0) {
-        BgMoriHashira4_InitDynaPoly(this, play, &gMoriHashira1Col, DPM_UNK3);
+        BgMoriHashira4_InitDynaPoly(this, play, &gMoriHashira1Col, DYNA_TRANSFORM_POS | DYNA_TRANSFORM_ROT_Y);
     } else {
-        BgMoriHashira4_InitDynaPoly(this, play, &gMoriHashira2Col, DPM_UNK);
+        BgMoriHashira4_InitDynaPoly(this, play, &gMoriHashira2Col, 0);
     }
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     this->moriTexObjIndex = Object_GetIndex(&play->objectCtx, OBJECT_MORI_TEX);
diff --git a/src/overlays/actors/ovl_Bg_Mori_Hineri/z_bg_mori_hineri.c b/src/overlays/actors/ovl_Bg_Mori_Hineri/z_bg_mori_hineri.c
index bb00444f88..2c7961f18c 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Hineri/z_bg_mori_hineri.c
+++ b/src/overlays/actors/ovl_Bg_Mori_Hineri/z_bg_mori_hineri.c
@@ -59,7 +59,7 @@ void BgMoriHineri_Init(Actor* thisx, PlayState* play) {
     s32 t6;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
 
     switchFlagParam = this->dyna.actor.params & 0x3F;
     t6 = this->dyna.actor.params & 0x4000;
diff --git a/src/overlays/actors/ovl_Bg_Mori_Kaitenkabe/z_bg_mori_kaitenkabe.c b/src/overlays/actors/ovl_Bg_Mori_Kaitenkabe/z_bg_mori_kaitenkabe.c
index d20f778886..8ddb1c0ecb 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Kaitenkabe/z_bg_mori_kaitenkabe.c
+++ b/src/overlays/actors/ovl_Bg_Mori_Kaitenkabe/z_bg_mori_kaitenkabe.c
@@ -53,7 +53,7 @@ void BgMoriKaitenkabe_Init(Actor* thisx, PlayState* play) {
     // "Forest Temple object 【Rotating Wall (arg_data: 0x% 04x)】 appears"
     osSyncPrintf("◯◯◯森の神殿オブジェクト【回転壁(arg_data : 0x%04x)】出現 \n", this->dyna.actor.params);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gMoriKaitenkabeCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     this->moriTexObjIndex = Object_GetIndex(&play->objectCtx, OBJECT_MORI_TEX);
diff --git a/src/overlays/actors/ovl_Bg_Mori_Rakkatenjo/z_bg_mori_rakkatenjo.c b/src/overlays/actors/ovl_Bg_Mori_Rakkatenjo/z_bg_mori_rakkatenjo.c
index fc8d312138..8d8494d1bd 100644
--- a/src/overlays/actors/ovl_Bg_Mori_Rakkatenjo/z_bg_mori_rakkatenjo.c
+++ b/src/overlays/actors/ovl_Bg_Mori_Rakkatenjo/z_bg_mori_rakkatenjo.c
@@ -50,7 +50,7 @@ void BgMoriRakkatenjo_Init(Actor* thisx, PlayState* play) {
     BgMoriRakkatenjo* this = (BgMoriRakkatenjo*)thisx;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     // "Forest Temple obj. Falling Ceiling"
     osSyncPrintf("森の神殿 obj. 落下天井 (home posY %f)\n", this->dyna.actor.home.pos.y);
     if ((fabsf(1991.0f - this->dyna.actor.home.pos.x) > 0.001f) ||
diff --git a/src/overlays/actors/ovl_Bg_Po_Event/z_bg_po_event.c b/src/overlays/actors/ovl_Bg_Po_Event/z_bg_po_event.c
index 621903b8c7..9d2184349a 100644
--- a/src/overlays/actors/ovl_Bg_Po_Event/z_bg_po_event.c
+++ b/src/overlays/actors/ovl_Bg_Po_Event/z_bg_po_event.c
@@ -209,7 +209,7 @@ void BgPoEvent_Init(Actor* thisx, PlayState* play) {
             BgPoEvent_InitPaintings(this, play);
         }
     } else {
-        DynaPolyActor_Init(&this->dyna, DPM_UNK);
+        DynaPolyActor_Init(&this->dyna, 0);
         if (Flags_GetSwitch(play, thisx->params)) {
             Actor_Kill(thisx);
         } else {
diff --git a/src/overlays/actors/ovl_Bg_Pushbox/z_bg_pushbox.c b/src/overlays/actors/ovl_Bg_Pushbox/z_bg_pushbox.c
index 10b2d2de37..b126606e87 100644
--- a/src/overlays/actors/ovl_Bg_Pushbox/z_bg_pushbox.c
+++ b/src/overlays/actors/ovl_Bg_Pushbox/z_bg_pushbox.c
@@ -44,7 +44,7 @@ void BgPushbox_Init(Actor* thisx, PlayState* play) {
     s32 pad2;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gBlockSmallCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     ActorShape_Init(&this->dyna.actor.shape, 0.0f, NULL, 0.0f);
diff --git a/src/overlays/actors/ovl_Bg_Relay_Objects/z_bg_relay_objects.c b/src/overlays/actors/ovl_Bg_Relay_Objects/z_bg_relay_objects.c
index c13711fa67..eeadb6363b 100644
--- a/src/overlays/actors/ovl_Bg_Relay_Objects/z_bg_relay_objects.c
+++ b/src/overlays/actors/ovl_Bg_Relay_Objects/z_bg_relay_objects.c
@@ -52,7 +52,7 @@ void BgRelayObjects_Init(Actor* thisx, PlayState* play) {
     Actor_ProcessInitChain(thisx, sInitChain);
     this->switchFlag = thisx->params & 0x3F;
     thisx->params = (thisx->params >> 8) & 0xFF;
-    DynaPolyActor_Init(&this->dyna, 3);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS | DYNA_TRANSFORM_ROT_Y);
     if (thisx->params == WINDMILL_ROTATING_GEAR) {
         CollisionHeader_GetVirtual(&gWindmillRotatingPlatformCol, &colHeader);
         if (GET_EVENTCHKINF(EVENTCHKINF_65)) {
diff --git a/src/overlays/actors/ovl_Bg_Spot00_Break/z_bg_spot00_break.c b/src/overlays/actors/ovl_Bg_Spot00_Break/z_bg_spot00_break.c
index ef99a66d4f..95c81e5214 100644
--- a/src/overlays/actors/ovl_Bg_Spot00_Break/z_bg_spot00_break.c
+++ b/src/overlays/actors/ovl_Bg_Spot00_Break/z_bg_spot00_break.c
@@ -39,7 +39,7 @@ void BgSpot00Break_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
 
     if (this->dyna.actor.params == 1) {
         CollisionHeader_GetVirtual(&gBarbedWireFenceCol, &colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Spot00_Hanebasi/z_bg_spot00_hanebasi.c b/src/overlays/actors/ovl_Bg_Spot00_Hanebasi/z_bg_spot00_hanebasi.c
index a66ec1b271..2be73886ba 100644
--- a/src/overlays/actors/ovl_Bg_Spot00_Hanebasi/z_bg_spot00_hanebasi.c
+++ b/src/overlays/actors/ovl_Bg_Spot00_Hanebasi/z_bg_spot00_hanebasi.c
@@ -53,7 +53,7 @@ void BgSpot00Hanebasi_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, 1);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
 
     if (this->dyna.actor.params == DT_DRAWBRIDGE) {
         CollisionHeader_GetVirtual(&gHyruleFieldCastleDrawbridgeCol, &colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Spot01_Idohashira/z_bg_spot01_idohashira.c b/src/overlays/actors/ovl_Bg_Spot01_Idohashira/z_bg_spot01_idohashira.c
index 2f76005a76..66e829e37d 100644
--- a/src/overlays/actors/ovl_Bg_Spot01_Idohashira/z_bg_spot01_idohashira.c
+++ b/src/overlays/actors/ovl_Bg_Spot01_Idohashira/z_bg_spot01_idohashira.c
@@ -295,7 +295,7 @@ void BgSpot01Idohashira_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     colHeader = NULL;
     CollisionHeader_GetVirtual(&gKakarikoWellArchCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Spot01_Idosoko/z_bg_spot01_idosoko.c b/src/overlays/actors/ovl_Bg_Spot01_Idosoko/z_bg_spot01_idosoko.c
index a73f028288..8d3224ac9b 100644
--- a/src/overlays/actors/ovl_Bg_Spot01_Idosoko/z_bg_spot01_idosoko.c
+++ b/src/overlays/actors/ovl_Bg_Spot01_Idosoko/z_bg_spot01_idosoko.c
@@ -42,7 +42,7 @@ void BgSpot01Idosoko_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
     s32 pad2;
 
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     CollisionHeader_GetVirtual(&gKakarikoBOTWStoneCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
diff --git a/src/overlays/actors/ovl_Bg_Spot01_Objects2/z_bg_spot01_objects2.c b/src/overlays/actors/ovl_Bg_Spot01_Objects2/z_bg_spot01_objects2.c
index 6444b24ac2..f2be2128bf 100644
--- a/src/overlays/actors/ovl_Bg_Spot01_Objects2/z_bg_spot01_objects2.c
+++ b/src/overlays/actors/ovl_Bg_Spot01_Objects2/z_bg_spot01_objects2.c
@@ -97,7 +97,7 @@ void func_808AC2BC(BgSpot01Objects2* this, PlayState* play) {
         gSegments[6] = VIRTUAL_TO_PHYSICAL(play->objectCtx.status[this->objBankIndex].segment);
 
         this->dyna.actor.objBankIndex = this->objBankIndex;
-        DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+        DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
 
         switch (this->dyna.actor.params & 7) {
             case 4: // Shooting gallery
diff --git a/src/overlays/actors/ovl_Bg_Spot03_Taki/z_bg_spot03_taki.c b/src/overlays/actors/ovl_Bg_Spot03_Taki/z_bg_spot03_taki.c
index 9edeb4611d..80b28126df 100644
--- a/src/overlays/actors/ovl_Bg_Spot03_Taki/z_bg_spot03_taki.c
+++ b/src/overlays/actors/ovl_Bg_Spot03_Taki/z_bg_spot03_taki.c
@@ -48,7 +48,7 @@ void BgSpot03Taki_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     this->switchFlag = (this->dyna.actor.params & 0x3F);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&object_spot03_object_Col_000C98, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
diff --git a/src/overlays/actors/ovl_Bg_Spot05_Soko/z_bg_spot05_soko.c b/src/overlays/actors/ovl_Bg_Spot05_Soko/z_bg_spot05_soko.c
index 74531b172a..9d5b68ed4b 100644
--- a/src/overlays/actors/ovl_Bg_Spot05_Soko/z_bg_spot05_soko.c
+++ b/src/overlays/actors/ovl_Bg_Spot05_Soko/z_bg_spot05_soko.c
@@ -47,7 +47,7 @@ void BgSpot05Soko_Init(Actor* thisx, PlayState* play) {
     Actor_ProcessInitChain(thisx, sInitChain);
     this->switchFlag = (thisx->params >> 8) & 0xFF;
     thisx->params &= 0xFF;
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     if (thisx->params == 0) {
         CollisionHeader_GetVirtual(&object_spot05_objects_Col_000918, &colHeader);
         if (LINK_IS_ADULT) {
diff --git a/src/overlays/actors/ovl_Bg_Spot06_Objects/z_bg_spot06_objects.c b/src/overlays/actors/ovl_Bg_Spot06_Objects/z_bg_spot06_objects.c
index 285b215df0..4bb5cbd916 100644
--- a/src/overlays/actors/ovl_Bg_Spot06_Objects/z_bg_spot06_objects.c
+++ b/src/overlays/actors/ovl_Bg_Spot06_Objects/z_bg_spot06_objects.c
@@ -104,7 +104,7 @@ void BgSpot06Objects_Init(Actor* thisx, PlayState* play) {
     switch (thisx->params) {
         case LHO_WATER_TEMPLE_ENTRACE_GATE:
             Actor_ProcessInitChain(thisx, sInitChain);
-            DynaPolyActor_Init(&this->dyna, DPM_UNK);
+            DynaPolyActor_Init(&this->dyna, 0);
             CollisionHeader_GetVirtual(&gLakeHyliaWaterTempleGateCol, &colHeader);
             this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
 
@@ -170,7 +170,7 @@ void BgSpot06Objects_Init(Actor* thisx, PlayState* play) {
             break;
         case LHO_ICE_BLOCK:
             Actor_ProcessInitChain(thisx, sInitChain);
-            DynaPolyActor_Init(&this->dyna, DPM_UNK);
+            DynaPolyActor_Init(&this->dyna, 0);
             CollisionHeader_GetVirtual(&gLakeHyliaZoraShortcutIceblockCol, &colHeader);
             this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
             this->actionFunc = BgSpot06Objects_DoNothing;
diff --git a/src/overlays/actors/ovl_Bg_Spot07_Taki/z_bg_spot07_taki.c b/src/overlays/actors/ovl_Bg_Spot07_Taki/z_bg_spot07_taki.c
index ddbba36a83..d4ce4eed4c 100644
--- a/src/overlays/actors/ovl_Bg_Spot07_Taki/z_bg_spot07_taki.c
+++ b/src/overlays/actors/ovl_Bg_Spot07_Taki/z_bg_spot07_taki.c
@@ -37,7 +37,7 @@ void BgSpot07Taki_Init(Actor* thisx, PlayState* play) {
     s32 pad;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     if (LINK_IS_ADULT) {
         if (this->dyna.actor.params == 0) {
diff --git a/src/overlays/actors/ovl_Bg_Spot08_Bakudankabe/z_bg_spot08_bakudankabe.c b/src/overlays/actors/ovl_Bg_Spot08_Bakudankabe/z_bg_spot08_bakudankabe.c
index 8ae89bb434..184e423a8a 100644
--- a/src/overlays/actors/ovl_Bg_Spot08_Bakudankabe/z_bg_spot08_bakudankabe.c
+++ b/src/overlays/actors/ovl_Bg_Spot08_Bakudankabe/z_bg_spot08_bakudankabe.c
@@ -161,7 +161,7 @@ void BgSpot08Bakudankabe_Init(Actor* thisx, PlayState* play) {
     s32 pad;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     if (Flags_GetSwitch(play, (this->dyna.actor.params & 0x3F))) {
         Actor_Kill(&this->dyna.actor);
         return;
diff --git a/src/overlays/actors/ovl_Bg_Spot08_Iceblock/z_bg_spot08_iceblock.c b/src/overlays/actors/ovl_Bg_Spot08_Iceblock/z_bg_spot08_iceblock.c
index 79d46f9956..6e99da4ac1 100644
--- a/src/overlays/actors/ovl_Bg_Spot08_Iceblock/z_bg_spot08_iceblock.c
+++ b/src/overlays/actors/ovl_Bg_Spot08_Iceblock/z_bg_spot08_iceblock.c
@@ -299,10 +299,10 @@ void BgSpot08Iceblock_Init(Actor* thisx, PlayState* play) {
     switch (this->dyna.actor.params & 0xF) {
         case 2:
         case 3:
-            BgSpot08Iceblock_InitDynaPoly(this, play, colHeader, DPM_UNK3);
+            BgSpot08Iceblock_InitDynaPoly(this, play, colHeader, DYNA_TRANSFORM_POS | DYNA_TRANSFORM_ROT_Y);
             break;
         default:
-            BgSpot08Iceblock_InitDynaPoly(this, play, colHeader, DPM_UNK);
+            BgSpot08Iceblock_InitDynaPoly(this, play, colHeader, 0);
             break;
     }
 
diff --git a/src/overlays/actors/ovl_Bg_Spot09_Obj/z_bg_spot09_obj.c b/src/overlays/actors/ovl_Bg_Spot09_Obj/z_bg_spot09_obj.c
index 3b9dcf8f40..5beb11b363 100644
--- a/src/overlays/actors/ovl_Bg_Spot09_Obj/z_bg_spot09_obj.c
+++ b/src/overlays/actors/ovl_Bg_Spot09_Obj/z_bg_spot09_obj.c
@@ -98,7 +98,7 @@ s32 func_808B1BEC(BgSpot09Obj* this, PlayState* play) {
     s32 pad2[2];
 
     if (D_808B1F90[this->dyna.actor.params] != NULL) {
-        DynaPolyActor_Init(&this->dyna, DPM_UNK);
+        DynaPolyActor_Init(&this->dyna, 0);
         CollisionHeader_GetVirtual(D_808B1F90[this->dyna.actor.params], &colHeader);
         this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     }
diff --git a/src/overlays/actors/ovl_Bg_Spot11_Bakudankabe/z_bg_spot11_bakudankabe.c b/src/overlays/actors/ovl_Bg_Spot11_Bakudankabe/z_bg_spot11_bakudankabe.c
index e9087d3641..74a35c59c0 100644
--- a/src/overlays/actors/ovl_Bg_Spot11_Bakudankabe/z_bg_spot11_bakudankabe.c
+++ b/src/overlays/actors/ovl_Bg_Spot11_Bakudankabe/z_bg_spot11_bakudankabe.c
@@ -112,7 +112,7 @@ void BgSpot11Bakudankabe_Init(Actor* thisx, PlayState* play) {
     s32 pad;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     if (Flags_GetSwitch(play, (this->dyna.actor.params & 0x3F))) {
         Actor_Kill(&this->dyna.actor);
         return;
diff --git a/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.c b/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.c
index dbc9fdd35a..dbe09013cd 100644
--- a/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.c
+++ b/src/overlays/actors/ovl_Bg_Spot12_Gate/z_bg_spot12_gate.c
@@ -59,7 +59,7 @@ void BgSpot12Gate_InitDynaPoly(BgSpot12Gate* this, PlayState* play, CollisionHea
 void BgSpot12Gate_Init(Actor* thisx, PlayState* play) {
     BgSpot12Gate* this = (BgSpot12Gate*)thisx;
 
-    BgSpot12Gate_InitDynaPoly(this, play, &gGerudoFortressWastelandGateCol, DPM_UNK);
+    BgSpot12Gate_InitDynaPoly(this, play, &gGerudoFortressWastelandGateCol, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
 
     if (Flags_GetSwitch(play, this->dyna.actor.params & 0x3F)) {
diff --git a/src/overlays/actors/ovl_Bg_Spot12_Saku/z_bg_spot12_saku.c b/src/overlays/actors/ovl_Bg_Spot12_Saku/z_bg_spot12_saku.c
index bf62b1f10c..2d1e7b05d1 100644
--- a/src/overlays/actors/ovl_Bg_Spot12_Saku/z_bg_spot12_saku.c
+++ b/src/overlays/actors/ovl_Bg_Spot12_Saku/z_bg_spot12_saku.c
@@ -57,7 +57,7 @@ void func_808B3420(BgSpot12Saku* this, PlayState* play, CollisionHeader* collisi
 void BgSpot12Saku_Init(Actor* thisx, PlayState* play) {
     BgSpot12Saku* this = (BgSpot12Saku*)thisx;
 
-    func_808B3420(this, play, &gGerudoFortressGTGShutterCol, DPM_UNK);
+    func_808B3420(this, play, &gGerudoFortressGTGShutterCol, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     if (Flags_GetSwitch(play, this->dyna.actor.params & 0x3F)) {
         func_808B3714(this);
diff --git a/src/overlays/actors/ovl_Bg_Spot15_Rrbox/z_bg_spot15_rrbox.c b/src/overlays/actors/ovl_Bg_Spot15_Rrbox/z_bg_spot15_rrbox.c
index 3ecb301cf6..2c89f5a6bb 100644
--- a/src/overlays/actors/ovl_Bg_Spot15_Rrbox/z_bg_spot15_rrbox.c
+++ b/src/overlays/actors/ovl_Bg_Spot15_Rrbox/z_bg_spot15_rrbox.c
@@ -121,7 +121,7 @@ s32 func_808B3AAC(BgSpot15Rrbox* this, PlayState* play) {
 void BgSpot15Rrbox_Init(Actor* thisx, PlayState* play) {
     BgSpot15Rrbox* this = (BgSpot15Rrbox*)thisx;
 
-    func_808B3960(this, play, &gLonLonMilkCrateCol, DPM_UNK);
+    func_808B3960(this, play, &gLonLonMilkCrateCol, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     func_808B3A34(this);
     if (Flags_GetSwitch(play, (this->dyna.actor.params & 0x3F))) {
diff --git a/src/overlays/actors/ovl_Bg_Spot15_Saku/z_bg_spot15_saku.c b/src/overlays/actors/ovl_Bg_Spot15_Saku/z_bg_spot15_saku.c
index 176fe640f9..b829f3e271 100644
--- a/src/overlays/actors/ovl_Bg_Spot15_Saku/z_bg_spot15_saku.c
+++ b/src/overlays/actors/ovl_Bg_Spot15_Saku/z_bg_spot15_saku.c
@@ -36,7 +36,7 @@ void BgSpot15Saku_Init(Actor* thisx, PlayState* play) {
     s32 pad2;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gLonLonCorralFenceCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     this->dyna.actor.scale.x = 0.1f;
diff --git a/src/overlays/actors/ovl_Bg_Spot17_Bakudankabe/z_bg_spot17_bakudankabe.c b/src/overlays/actors/ovl_Bg_Spot17_Bakudankabe/z_bg_spot17_bakudankabe.c
index e4fe95d256..b1e928a870 100644
--- a/src/overlays/actors/ovl_Bg_Spot17_Bakudankabe/z_bg_spot17_bakudankabe.c
+++ b/src/overlays/actors/ovl_Bg_Spot17_Bakudankabe/z_bg_spot17_bakudankabe.c
@@ -95,7 +95,7 @@ void BgSpot17Bakudankabe_Init(Actor* thisx, PlayState* play) {
     s32 pad;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     if (Flags_GetSwitch(play, (this->dyna.actor.params & 0x3F))) {
         Actor_Kill(&this->dyna.actor);
         return;
diff --git a/src/overlays/actors/ovl_Bg_Spot18_Basket/z_bg_spot18_basket.c b/src/overlays/actors/ovl_Bg_Spot18_Basket/z_bg_spot18_basket.c
index 56ff910426..01dfcc1ed6 100644
--- a/src/overlays/actors/ovl_Bg_Spot18_Basket/z_bg_spot18_basket.c
+++ b/src/overlays/actors/ovl_Bg_Spot18_Basket/z_bg_spot18_basket.c
@@ -133,7 +133,7 @@ void BgSpot18Basket_Init(Actor* thisx, PlayState* play) {
     BgSpot18Basket* this = (BgSpot18Basket*)thisx;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK3);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS | DYNA_TRANSFORM_ROT_Y);
     func_808B7710(&this->dyna.actor, play);
     CollisionHeader_GetVirtual(&gGoronCityVaseCol, &colHeader);
 
diff --git a/src/overlays/actors/ovl_Bg_Spot18_Futa/z_bg_spot18_futa.c b/src/overlays/actors/ovl_Bg_Spot18_Futa/z_bg_spot18_futa.c
index 8404e1565f..970e67178a 100644
--- a/src/overlays/actors/ovl_Bg_Spot18_Futa/z_bg_spot18_futa.c
+++ b/src/overlays/actors/ovl_Bg_Spot18_Futa/z_bg_spot18_futa.c
@@ -38,7 +38,7 @@ void BgSpot18Futa_Init(Actor* thisx, PlayState* play) {
     s32 pad;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gGoronCityVaseLidCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
diff --git a/src/overlays/actors/ovl_Bg_Spot18_Obj/z_bg_spot18_obj.c b/src/overlays/actors/ovl_Bg_Spot18_Obj/z_bg_spot18_obj.c
index eaf35136a7..86c4ed6a4c 100644
--- a/src/overlays/actors/ovl_Bg_Spot18_Obj/z_bg_spot18_obj.c
+++ b/src/overlays/actors/ovl_Bg_Spot18_Obj/z_bg_spot18_obj.c
@@ -128,7 +128,7 @@ s32 func_808B8A98(BgSpot18Obj* this, PlayState* play) {
     s32 pad[2];
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(D_808B90FC[this->dyna.actor.params & 0xF], &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     return 1;
diff --git a/src/overlays/actors/ovl_Bg_Spot18_Shutter/z_bg_spot18_shutter.c b/src/overlays/actors/ovl_Bg_Spot18_Shutter/z_bg_spot18_shutter.c
index c42b868bea..f6d396fc25 100644
--- a/src/overlays/actors/ovl_Bg_Spot18_Shutter/z_bg_spot18_shutter.c
+++ b/src/overlays/actors/ovl_Bg_Spot18_Shutter/z_bg_spot18_shutter.c
@@ -42,7 +42,7 @@ void BgSpot18Shutter_Init(Actor* thisx, PlayState* play) {
     s32 param = (this->dyna.actor.params >> 8) & 1;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
 
     if (param == 0) {
diff --git a/src/overlays/actors/ovl_Bg_Sst_Floor/z_bg_sst_floor.c b/src/overlays/actors/ovl_Bg_Sst_Floor/z_bg_sst_floor.c
index 63e208ed8a..0e445dbdb4 100644
--- a/src/overlays/actors/ovl_Bg_Sst_Floor/z_bg_sst_floor.c
+++ b/src/overlays/actors/ovl_Bg_Sst_Floor/z_bg_sst_floor.c
@@ -38,7 +38,7 @@ void BgSstFloor_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(&gBongoDrumCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 }
diff --git a/src/overlays/actors/ovl_Bg_Treemouth/z_bg_treemouth.c b/src/overlays/actors/ovl_Bg_Treemouth/z_bg_treemouth.c
index 7883ac944b..8257043b57 100644
--- a/src/overlays/actors/ovl_Bg_Treemouth/z_bg_treemouth.c
+++ b/src/overlays/actors/ovl_Bg_Treemouth/z_bg_treemouth.c
@@ -64,7 +64,7 @@ void BgTreemouth_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(thisx, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gDekuTreeMouthCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
     ActorShape_Init(&thisx->shape, 0.0f, NULL, 0.0f);
diff --git a/src/overlays/actors/ovl_Bg_Umajump/z_bg_umajump.c b/src/overlays/actors/ovl_Bg_Umajump/z_bg_umajump.c
index 5f3d2d366d..d02ffbbf22 100644
--- a/src/overlays/actors/ovl_Bg_Umajump/z_bg_umajump.c
+++ b/src/overlays/actors/ovl_Bg_Umajump/z_bg_umajump.c
@@ -36,7 +36,7 @@ void BgUmaJump_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gJumpableHorseFenceCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 
diff --git a/src/overlays/actors/ovl_Bg_Vb_Sima/z_bg_vb_sima.c b/src/overlays/actors/ovl_Bg_Vb_Sima/z_bg_vb_sima.c
index c4cfd81a9c..dfaf122eb6 100644
--- a/src/overlays/actors/ovl_Bg_Vb_Sima/z_bg_vb_sima.c
+++ b/src/overlays/actors/ovl_Bg_Vb_Sima/z_bg_vb_sima.c
@@ -37,7 +37,7 @@ void BgVbSima_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(&gVolvagiaPlatformCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 }
diff --git a/src/overlays/actors/ovl_Bg_Ydan_Hasi/z_bg_ydan_hasi.c b/src/overlays/actors/ovl_Bg_Ydan_Hasi/z_bg_ydan_hasi.c
index 901dc9287e..203148acca 100644
--- a/src/overlays/actors/ovl_Bg_Ydan_Hasi/z_bg_ydan_hasi.c
+++ b/src/overlays/actors/ovl_Bg_Ydan_Hasi/z_bg_ydan_hasi.c
@@ -47,7 +47,7 @@ void BgYdanHasi_Init(Actor* thisx, PlayState* play) {
     this->type = ((thisx->params >> 8) & 0x3F);
     thisx->params = thisx->params & 0xFF;
     waterBox = &play->colCtx.colHeader->waterBoxes[1];
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     if (thisx->params == HASI_WATER) {
         // Water the moving platform floats on in B1. Never runs in Master Quest
         waterBox->ySurface = thisx->world.pos.y = thisx->home.pos.y += -5.0f;
diff --git a/src/overlays/actors/ovl_Bg_Ydan_Maruta/z_bg_ydan_maruta.c b/src/overlays/actors/ovl_Bg_Ydan_Maruta/z_bg_ydan_maruta.c
index be86ce0881..93cf34b9ed 100644
--- a/src/overlays/actors/ovl_Bg_Ydan_Maruta/z_bg_ydan_maruta.c
+++ b/src/overlays/actors/ovl_Bg_Ydan_Maruta/z_bg_ydan_maruta.c
@@ -96,7 +96,7 @@ void BgYdanMaruta_Init(Actor* thisx, PlayState* play) {
         this->actionFunc = func_808BEFF4;
     } else {
         triInit = &sTrisElementsInit[1];
-        DynaPolyActor_Init(&this->dyna, DPM_UNK);
+        DynaPolyActor_Init(&this->dyna, 0);
         CollisionHeader_GetVirtual(&gDTFallingLadderCol, &colHeader);
         this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
         thisx->home.pos.y += -280.0f;
diff --git a/src/overlays/actors/ovl_Bg_Ydan_Sp/z_bg_ydan_sp.c b/src/overlays/actors/ovl_Bg_Ydan_Sp/z_bg_ydan_sp.c
index 69737cdf65..8688a86d39 100644
--- a/src/overlays/actors/ovl_Bg_Ydan_Sp/z_bg_ydan_sp.c
+++ b/src/overlays/actors/ovl_Bg_Ydan_Sp/z_bg_ydan_sp.c
@@ -94,7 +94,7 @@ void BgYdanSp_Init(Actor* thisx, PlayState* play) {
     this->isDestroyedSwitchFlag = thisx->params & 0x3F;
     this->burnSwitchFlag = (thisx->params >> 6) & 0x3F;
     this->dyna.actor.params = (thisx->params >> 0xC) & 0xF;
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     Collider_InitTris(play, &this->trisCollider);
     Collider_SetTris(play, &this->trisCollider, &this->dyna.actor, &sTrisInit, this->trisColliderItems);
     if (this->dyna.actor.params == WEB_FLOOR) {
diff --git a/src/overlays/actors/ovl_Bg_Zg/z_bg_zg.c b/src/overlays/actors/ovl_Bg_Zg/z_bg_zg.c
index 0f90bbb205..66148fc049 100644
--- a/src/overlays/actors/ovl_Bg_Zg/z_bg_zg.c
+++ b/src/overlays/actors/ovl_Bg_Zg/z_bg_zg.c
@@ -102,7 +102,7 @@ void BgZg_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     colHeader = NULL;
     CollisionHeader_GetVirtual(&gTowerCollapseBarsCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
diff --git a/src/overlays/actors/ovl_Demo_Gj/z_demo_gj.c b/src/overlays/actors/ovl_Demo_Gj/z_demo_gj.c
index 66b6f45de2..83282751b6 100644
--- a/src/overlays/actors/ovl_Demo_Gj/z_demo_gj.c
+++ b/src/overlays/actors/ovl_Demo_Gj/z_demo_gj.c
@@ -243,7 +243,7 @@ void DemoGj_InitCommon(DemoGj* this, PlayState* play, CollisionHeader* header) {
 
     if (header != NULL) {
         Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-        DynaPolyActor_Init(&this->dyna, DPM_UNK);
+        DynaPolyActor_Init(&this->dyna, 0);
         newHeader = NULL;
         CollisionHeader_GetVirtual(header, &newHeader);
         this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, newHeader);
diff --git a/src/overlays/actors/ovl_Demo_Gt/z_demo_gt.c b/src/overlays/actors/ovl_Demo_Gt/z_demo_gt.c
index 7f45c38fd6..e360585481 100644
--- a/src/overlays/actors/ovl_Demo_Gt/z_demo_gt.c
+++ b/src/overlays/actors/ovl_Demo_Gt/z_demo_gt.c
@@ -455,7 +455,7 @@ void func_8097EDD8(DemoGt* this, PlayState* play, CollisionHeader* collision) {
 
     if (collision != NULL) {
         Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-        DynaPolyActor_Init(&this->dyna, DPM_UNK);
+        DynaPolyActor_Init(&this->dyna, 0);
         colHeader = NULL;
         CollisionHeader_GetVirtual(collision, &colHeader);
         this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
diff --git a/src/overlays/actors/ovl_Door_Shutter/z_door_shutter.c b/src/overlays/actors/ovl_Door_Shutter/z_door_shutter.c
index 93bc4b21d3..71b60a7e60 100644
--- a/src/overlays/actors/ovl_Door_Shutter/z_door_shutter.c
+++ b/src/overlays/actors/ovl_Door_Shutter/z_door_shutter.c
@@ -227,7 +227,7 @@ void DoorShutter_Init(Actor* thisx, PlayState* play2) {
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
     this->dyna.actor.home.pos.z = this->dyna.actor.shape.yOffset;
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     this->doorType = (this->dyna.actor.params >> 6) & 0xF;
     phi_a3 = D_80998224[this->doorType];
     if (phi_a3 < 0) {
diff --git a/src/overlays/actors/ovl_Door_Toki/z_door_toki.c b/src/overlays/actors/ovl_Door_Toki/z_door_toki.c
index 1276e01866..2e49e7b7cb 100644
--- a/src/overlays/actors/ovl_Door_Toki/z_door_toki.c
+++ b/src/overlays/actors/ovl_Door_Toki/z_door_toki.c
@@ -35,7 +35,7 @@ void DoorToki_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gDoorTokiCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
 }
diff --git a/src/overlays/actors/ovl_En_Am/z_en_am.c b/src/overlays/actors/ovl_En_Am/z_en_am.c
index 9bd69031ba..66e27db961 100644
--- a/src/overlays/actors/ovl_En_Am/z_en_am.c
+++ b/src/overlays/actors/ovl_En_Am/z_en_am.c
@@ -212,7 +212,7 @@ void EnAm_Init(Actor* thisx, PlayState* play) {
     ActorShape_Init(&this->dyna.actor.shape, 0.0f, ActorShadow_DrawCircle, 48.0f);
     SkelAnime_Init(play, &this->skelAnime, &gArmosSkel, &gArmosRicochetAnim, this->jointTable, this->morphTable, 14);
     Actor_SetScale(&this->dyna.actor, 0.01f);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     Collider_InitCylinder(play, &this->hurtCollider);
     Collider_InitCylinder(play, &this->blockCollider);
     Collider_SetCylinder(play, &this->hurtCollider, &this->dyna.actor, &sHurtCylinderInit);
diff --git a/src/overlays/actors/ovl_En_Blkobj/z_en_blkobj.c b/src/overlays/actors/ovl_En_Blkobj/z_en_blkobj.c
index 01e6474f6d..c094e6df1b 100644
--- a/src/overlays/actors/ovl_En_Blkobj/z_en_blkobj.c
+++ b/src/overlays/actors/ovl_En_Blkobj/z_en_blkobj.c
@@ -59,7 +59,7 @@ void EnBlkobj_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* colHeader = NULL;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     if (Flags_GetClear(play, this->dyna.actor.room)) {
         this->alpha = 255;
         EnBlkobj_SetupAction(this, EnBlkobj_DoNothing);
diff --git a/src/overlays/actors/ovl_En_Bom_Chu/z_en_bom_chu.c b/src/overlays/actors/ovl_En_Bom_Chu/z_en_bom_chu.c
index bc1517c45a..e4e5bf0d45 100644
--- a/src/overlays/actors/ovl_En_Bom_Chu/z_en_bom_chu.c
+++ b/src/overlays/actors/ovl_En_Bom_Chu/z_en_bom_chu.c
@@ -400,7 +400,7 @@ void EnBomChu_Update(Actor* thisx, PlayState* play2) {
 
     if (this->actor.floorBgId != BGCHECK_SCENE) {
         yaw = this->actor.shape.rot.y;
-        func_800433A4(&play->colCtx, this->actor.floorBgId, &this->actor);
+        DynaPolyActor_TransformCarriedActor(&play->colCtx, this->actor.floorBgId, &this->actor);
 
         if (yaw != this->actor.shape.rot.y) {
             yaw = this->actor.shape.rot.y - yaw;
diff --git a/src/overlays/actors/ovl_En_Box/z_en_box.c b/src/overlays/actors/ovl_En_Box/z_en_box.c
index b2a93fd43e..122d50f39d 100644
--- a/src/overlays/actors/ovl_En_Box/z_en_box.c
+++ b/src/overlays/actors/ovl_En_Box/z_en_box.c
@@ -103,7 +103,7 @@ void EnBox_Init(Actor* thisx, PlayState* play2) {
     endFrame = Animation_GetLastFrame(anim);
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gTreasureChestCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     DynaPoly_DisableCeilingCollision(play, &play->colCtx.dyna, this->dyna.bgId);
diff --git a/src/overlays/actors/ovl_En_Brob/z_en_brob.c b/src/overlays/actors/ovl_En_Brob/z_en_brob.c
index fa7d745823..ccc2c55325 100644
--- a/src/overlays/actors/ovl_En_Brob/z_en_brob.c
+++ b/src/overlays/actors/ovl_En_Brob/z_en_brob.c
@@ -63,7 +63,7 @@ void EnBrob_Init(Actor* thisx, PlayState* play) {
 
     SkelAnime_InitFlex(play, &this->skelAnime, &object_brob_Skel_0015D8, &object_brob_Anim_001750, this->jointTable,
                        this->morphTable, 10);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&object_brob_Col_001A70, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
     Collider_InitCylinder(play, &this->colliders[0]);
diff --git a/src/overlays/actors/ovl_En_Gb/z_en_gb.c b/src/overlays/actors/ovl_En_Gb/z_en_gb.c
index 0518d4875a..aab4d027ac 100644
--- a/src/overlays/actors/ovl_En_Gb/z_en_gb.c
+++ b/src/overlays/actors/ovl_En_Gb/z_en_gb.c
@@ -157,7 +157,7 @@ void EnGb_Init(Actor* thisx, PlayState* play) {
     Vec3f focusOffset;
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gPoeSellerCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     SkelAnime_InitFlex(play, &this->skelAnime, &gPoeSellerSkel, &gPoeSellerIdleAnim, this->jointTable, this->morphTable,
diff --git a/src/overlays/actors/ovl_En_Hata/z_en_hata.c b/src/overlays/actors/ovl_En_Hata/z_en_hata.c
index dded1c812d..ff86362cff 100644
--- a/src/overlays/actors/ovl_En_Hata/z_en_hata.c
+++ b/src/overlays/actors/ovl_En_Hata/z_en_hata.c
@@ -58,7 +58,7 @@ void EnHata_Init(Actor* thisx, PlayState* play) {
     Actor_SetScale(&this->dyna.actor, 1.0f / 75.0f);
     SkelAnime_Init(play, &this->skelAnime, &gFlagpoleSkel, &gFlagpoleFlapAnim, NULL, NULL, 0);
     Animation_Change(&this->skelAnime, &gFlagpoleFlapAnim, 1.0f, 0.0f, frameCount, ANIMMODE_LOOP, 0.0f);
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&gFlagpoleCol, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, &this->dyna.actor, colHeader);
     this->dyna.actor.uncullZoneScale = 500.0f;
diff --git a/src/overlays/actors/ovl_En_Jsjutan/z_en_jsjutan.c b/src/overlays/actors/ovl_En_Jsjutan/z_en_jsjutan.c
index cea16ed844..7d397219f3 100644
--- a/src/overlays/actors/ovl_En_Jsjutan/z_en_jsjutan.c
+++ b/src/overlays/actors/ovl_En_Jsjutan/z_en_jsjutan.c
@@ -41,7 +41,7 @@ void EnJsjutan_Init(Actor* thisx, PlayState* play) {
     CollisionHeader* header = NULL;
 
     this->dyna.actor.flags &= ~ACTOR_FLAG_0;
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     CollisionHeader_GetVirtual(&sCol, &header);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, header);
     Actor_SetScale(thisx, 0.02f);
diff --git a/src/overlays/actors/ovl_En_Lightbox/z_en_lightbox.c b/src/overlays/actors/ovl_En_Lightbox/z_en_lightbox.c
index 311324c38a..1c0d8555aa 100644
--- a/src/overlays/actors/ovl_En_Lightbox/z_en_lightbox.c
+++ b/src/overlays/actors/ovl_En_Lightbox/z_en_lightbox.c
@@ -52,7 +52,7 @@ void EnLightbox_Init(Actor* thisx, PlayState* play) {
     thisx->colChkInfo.cylHeight = 50;
     ActorShape_Init(&thisx->shape, 0.0f, ActorShadow_DrawCircle, 6.0f);
     this->dyna.interactFlags = 0;
-    this->dyna.unk_15C = 0;
+    this->dyna.transformFlags = 0;
     thisx->targetMode = 0;
     thisx->gravity = -2.0f;
     CollisionHeader_GetVirtual(&object_lightbox_Col_001F10, &colHeader);
diff --git a/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.c b/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.c
index d1c0065f88..8bea43e492 100644
--- a/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.c
+++ b/src/overlays/actors/ovl_En_Pu_box/z_en_pu_box.c
@@ -52,7 +52,7 @@ void EnPubox_Init(Actor* thisx, PlayState* play) {
     thisx->uncullZoneScale = 720.0f;
     ActorShape_Init(&thisx->shape, 0.0f, ActorShadow_DrawCircle, 6.0f);
     this->dyna.interactFlags = 0;
-    this->dyna.unk_15C = DPM_UNK;
+    this->dyna.transformFlags = 0;
     thisx->targetMode = 1;
     thisx->gravity = -2.0f;
     CollisionHeader_GetVirtual(&gBlockMediumCol, &colHeader);
diff --git a/src/overlays/actors/ovl_En_Siofuki/z_en_siofuki.c b/src/overlays/actors/ovl_En_Siofuki/z_en_siofuki.c
index 541c01db41..fd2f303dfb 100644
--- a/src/overlays/actors/ovl_En_Siofuki/z_en_siofuki.c
+++ b/src/overlays/actors/ovl_En_Siofuki/z_en_siofuki.c
@@ -46,7 +46,7 @@ void EnSiofuki_Init(Actor* thisx, PlayState* play) {
     }
 
     Actor_ProcessInitChain(thisx, sInitChain);
-    DynaPolyActor_Init(&this->dyna, DPM_PLAYER);
+    DynaPolyActor_Init(&this->dyna, DYNA_TRANSFORM_POS);
     CollisionHeader_GetVirtual(&object_siofuki_Col_000D78, &colHeader);
     this->dyna.bgId = DynaPoly_SetBgActor(play, &play->colCtx.dyna, thisx, colHeader);
     this->sfxFlags |= 1;
diff --git a/src/overlays/actors/ovl_Obj_Bean/z_obj_bean.c b/src/overlays/actors/ovl_Obj_Bean/z_obj_bean.c
index 55502e6be1..3997e0d1a6 100644
--- a/src/overlays/actors/ovl_Obj_Bean/z_obj_bean.c
+++ b/src/overlays/actors/ovl_Obj_Bean/z_obj_bean.c
@@ -494,7 +494,7 @@ void ObjBean_Init(Actor* thisx, PlayState* play) {
             ObjBean_Move(this);
             ObjBean_SetupWaitForPlayer(this);
 
-            ObjBean_InitDynaPoly(this, play, &gMagicBeanPlatformCol, DPM_UNK3);
+            ObjBean_InitDynaPoly(this, play, &gMagicBeanPlatformCol, DYNA_TRANSFORM_POS | DYNA_TRANSFORM_ROT_Y);
             this->stateFlags |= BEAN_STATE_DYNAPOLY_SET;
             ObjBean_InitCollider(&this->dyna.actor, play);
             this->stateFlags |= BEAN_STATE_COLLIDER_SET;
diff --git a/src/overlays/actors/ovl_Obj_Elevator/z_obj_elevator.c b/src/overlays/actors/ovl_Obj_Elevator/z_obj_elevator.c
index 842eed5acc..7cfe50b7ec 100644
--- a/src/overlays/actors/ovl_Obj_Elevator/z_obj_elevator.c
+++ b/src/overlays/actors/ovl_Obj_Elevator/z_obj_elevator.c
@@ -62,7 +62,7 @@ void ObjElevator_Init(Actor* thisx, PlayState* play) {
     ObjElevator* this = (ObjElevator*)thisx;
     f32 temp_f0;
 
-    func_80B92B08(this, play, &object_d_elevator_Col_000360, DPM_PLAYER);
+    func_80B92B08(this, play, &object_d_elevator_Col_000360, DYNA_TRANSFORM_POS);
     Actor_SetScale(thisx, sScales[thisx->params & 1]);
     Actor_ProcessInitChain(thisx, sInitChain);
     temp_f0 = (thisx->params >> 8) & 0xF;
diff --git a/src/overlays/actors/ovl_Obj_Hsblock/z_obj_hsblock.c b/src/overlays/actors/ovl_Obj_Hsblock/z_obj_hsblock.c
index 0345459ee4..987effb7fa 100644
--- a/src/overlays/actors/ovl_Obj_Hsblock/z_obj_hsblock.c
+++ b/src/overlays/actors/ovl_Obj_Hsblock/z_obj_hsblock.c
@@ -77,7 +77,7 @@ void func_80B93BF0(ObjHsblock* this, PlayState* play) {
 void ObjHsblock_Init(Actor* thisx, PlayState* play) {
     ObjHsblock* this = (ObjHsblock*)thisx;
 
-    func_80B93B68(this, play, sCollisionHeaders[thisx->params & 3], DPM_UNK);
+    func_80B93B68(this, play, sCollisionHeaders[thisx->params & 3], 0);
     Actor_ProcessInitChain(thisx, sInitChain);
     func_80B93BF0(this, play);
 
diff --git a/src/overlays/actors/ovl_Obj_Lift/z_obj_lift.c b/src/overlays/actors/ovl_Obj_Lift/z_obj_lift.c
index 172d96145c..2ac90b1cb1 100644
--- a/src/overlays/actors/ovl_Obj_Lift/z_obj_lift.c
+++ b/src/overlays/actors/ovl_Obj_Lift/z_obj_lift.c
@@ -106,7 +106,7 @@ void func_80B96160(ObjLift* this, PlayState* play) {
 void ObjLift_Init(Actor* thisx, PlayState* play) {
     ObjLift* this = (ObjLift*)thisx;
 
-    ObjLift_InitDynaPoly(this, play, &gCollapsingPlatformCol, DPM_PLAYER);
+    ObjLift_InitDynaPoly(this, play, &gCollapsingPlatformCol, DYNA_TRANSFORM_POS);
 
     if (Flags_GetSwitch(play, (this->dyna.actor.params >> 2) & 0x3F)) {
         Actor_Kill(&this->dyna.actor);
diff --git a/src/overlays/actors/ovl_Obj_Oshihiki/z_obj_oshihiki.c b/src/overlays/actors/ovl_Obj_Oshihiki/z_obj_oshihiki.c
index f1c6d6df90..532f8ccbef 100644
--- a/src/overlays/actors/ovl_Obj_Oshihiki/z_obj_oshihiki.c
+++ b/src/overlays/actors/ovl_Obj_Oshihiki/z_obj_oshihiki.c
@@ -519,7 +519,7 @@ void ObjOshihiki_OnActor(ObjOshihiki* this, PlayState* play) {
         } else {
             dynaPolyActor = DynaPoly_GetActor(&play->colCtx, bgId);
 
-            if ((dynaPolyActor != NULL) && (dynaPolyActor->unk_15C & 1)) {
+            if ((dynaPolyActor != NULL) && (dynaPolyActor->transformFlags & DYNA_TRANSFORM_POS)) {
                 DynaPolyActor_SetActorOnTop(dynaPolyActor);
                 func_80043538(dynaPolyActor);
                 this->dyna.actor.world.pos.y = this->dyna.actor.floorHeight;
diff --git a/src/overlays/actors/ovl_Obj_Switch/z_obj_switch.c b/src/overlays/actors/ovl_Obj_Switch/z_obj_switch.c
index 9350abd773..9dee92928c 100644
--- a/src/overlays/actors/ovl_Obj_Switch/z_obj_switch.c
+++ b/src/overlays/actors/ovl_Obj_Switch/z_obj_switch.c
@@ -287,7 +287,7 @@ void ObjSwitch_Init(Actor* thisx, PlayState* play) {
     type = (this->dyna.actor.params & 7);
 
     if (type == OBJSWITCH_TYPE_FLOOR || type == OBJSWITCH_TYPE_FLOOR_RUSTY) {
-        ObjSwitch_InitDynaPoly(this, play, &gFloorSwitchCol, DPM_PLAYER);
+        ObjSwitch_InitDynaPoly(this, play, &gFloorSwitchCol, DYNA_TRANSFORM_POS);
     }
 
     Actor_ProcessInitChain(&this->dyna.actor, sInitChain);
diff --git a/src/overlays/actors/ovl_Obj_Timeblock/z_obj_timeblock.c b/src/overlays/actors/ovl_Obj_Timeblock/z_obj_timeblock.c
index 96d4bc2c3a..09247455a2 100644
--- a/src/overlays/actors/ovl_Obj_Timeblock/z_obj_timeblock.c
+++ b/src/overlays/actors/ovl_Obj_Timeblock/z_obj_timeblock.c
@@ -101,7 +101,7 @@ void ObjTimeblock_Init(Actor* thisx, PlayState* play) {
     s32 pad;
     CollisionHeader* colHeader = NULL;
 
-    DynaPolyActor_Init(&this->dyna, DPM_UNK);
+    DynaPolyActor_Init(&this->dyna, 0);
     this->dyna.actor.world.rot.z = this->dyna.actor.shape.rot.z = 0;
 
     CollisionHeader_GetVirtual(&gSongOfTimeBlockCol, &colHeader);