document blue warp mode

include/z64player.h

@@ -900,6 +900,7 @@ typedef struct Player {
     /* 0x084F */ union {
         s8 actionVar1;
         s8 facingUpSlope; // Player_Action_SlideOnSlope: facing uphill when sliding on a slope
+        s8 isLakeHyliaCs; // Player_Action_BlueWarpArrive: In Lake Hylia CS after Water Temple. Floating down is delayed until a specific point in the cutscene.
         s8 bottleCatchType; // Player_Action_SwingBottle: entry type for `sBottleCatchInfo`, corresponds to actor caught in a bottle
     } av1; // "Action Variable 1": context dependent variable that has different meanings depending on what action is currently running
 
@@ -909,6 +910,7 @@ typedef struct Player {
         s16 bonked; // Player_Action_Roll: set to true after bonking into a wall or an actor
         s16 startedTextbox; // Player_Action_SwingBottle: set to true when the textbox is started
         s16 inWater; // Player_Action_SwingBottle: true if a bottle is swung in water. Used to determine which bottle swing animation to use.
+        s16 playedLandingSfx; // Player_Action_BlueWarpArrive: Played sfx when landing on the ground
     } av2; // "Action Variable 2": context dependent variable that has different meanings depending on what action is currently running
 
     /* 0x0854 */ f32 unk_854;

src/overlays/actors/ovl_player_actor/z_player.c

@@ -312,7 +312,7 @@ void Player_Action_ExchangeItem(Player* this, PlayState* play);
 void Player_Action_SlideOnSlope(Player* this, PlayState* play);
 void Player_Action_8084F608(Player* this, PlayState* play);
 void Player_Action_8084F698(Player* this, PlayState* play);
-void Player_Action_8084F710(Player* this, PlayState* play);
+void Player_Action_BlueWarpArrive(Player* this, PlayState* play);
 void Player_Action_8084F88C(Player* this, PlayState* play);
 void Player_Action_8084F9A0(Player* this, PlayState* play);
 void Player_Action_8084F9C0(Player* this, PlayState* play);
@@ -10499,15 +10499,17 @@ void Player_StartMode_Nothing(PlayState* play, Player* this) {
 }
 
 void Player_StartMode_BlueWarp(PlayState* play, Player* this) {
-    Player_SetupAction(play, this, Player_Action_8084F710, 0);
+    Player_SetupAction(play, this, Player_Action_BlueWarpArrive, 0);
 
     if ((play->sceneId == SCENE_LAKE_HYLIA) && IS_CUTSCENE_LAYER) {
-        this->av1.actionVar1 = 1;
+        this->av1.isLakeHyliaCs = true;
     }
 
     this->stateFlags1 |= PLAYER_STATE1_29;
     LinkAnimation_Change(play, &this->skelAnime, &gPlayerAnim_link_okarina_warp_goal, 2.0f / 3.0f, 0.0f, 24.0f,
                          ANIMMODE_ONCE, 0.0f);
+
+    // Start high up in the air
     this->actor.world.pos.y += 800.0f;
 }
 
@@ -14275,27 +14277,30 @@ void Player_Action_8084F698(Player* this, PlayState* play) {
     Actor_Spawn(&play->actorCtx, play, ACTOR_DEMO_KANKYO, 0.0f, 0.0f, 0.0f, 0, 0, 0, DEMOKANKYO_WARP_IN);
 }
 
-void Player_Action_8084F710(Player* this, PlayState* play) {
+void Player_Action_BlueWarpArrive(Player* this, PlayState* play) {
     s32 pad;
 
-    if ((this->av1.actionVar1 != 0) && (play->csCtx.curFrame < 305)) {
+    if ((this->av1.isLakeHyliaCs) && (play->csCtx.curFrame < 305)) {
+        // Delay falling down until frame 306 of the Lake Hylia cutscene after completing Water Temple
         this->actor.gravity = 0.0f;
         this->actor.velocity.y = 0.0f;
     } else if (sYDistToFloor < 150.0f) {
         if (LinkAnimation_Update(play, &this->skelAnime)) {
-            if (this->av2.actionVar2 == 0) {
+            if (!this->av2.playedLandingSfx) {
                 if (this->actor.bgCheckFlags & BGCHECKFLAG_GROUND) {
                     this->skelAnime.endFrame = this->skelAnime.animLength - 1.0f;
                     Player_PlayLandingSfx(this);
-                    this->av2.actionVar2 = 1;
+                    this->av2.playedLandingSfx = true;
                 }
             } else {
                 if ((play->sceneId == SCENE_KOKIRI_FOREST) && Player_StartCsAction(play, this)) {
                     return;
                 }
+
                 func_80853080(this, play);
             }
         }
+
         Math_SmoothStepToF(&this->actor.velocity.y, 2.0f, 0.3f, 8.0f, 0.5f);
     }
 
@@ -14304,9 +14309,10 @@ void Player_Action_8084F710(Player* this, PlayState* play) {
     }
 
     if ((play->csCtx.state != CS_STATE_IDLE) && (play->csCtx.playerCue != NULL)) {
-        f32 sp28 = this->actor.world.pos.y;
+        f32 savedYPos = this->actor.world.pos.y;
+
         func_808529D0(play, this, play->csCtx.playerCue);
-        this->actor.world.pos.y = sp28;
+        this->actor.world.pos.y = savedYPos;
     }
 }