From 8784c81a3d2f144674939a7793856c3be0470ef5 Mon Sep 17 00:00:00 2001
From: feacur <feacur@gmail.com>
Date: Sun, 10 Nov 2024 11:37:08 +0100
Subject: [PATCH] Document `func_80A3F0E4` as `EnGo_UpdateBlinking`

reason: `EnGo2_EyeMouthTexState` code analogy
---
 src/overlays/actors/ovl_En_Go/z_en_go.c | 17 ++++++++++-------
 src/overlays/actors/ovl_En_Go/z_en_go.h |  4 ++--
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/src/overlays/actors/ovl_En_Go/z_en_go.c b/src/overlays/actors/ovl_En_Go/z_en_go.c
index fbe15fb6f6..c472efd493 100644
--- a/src/overlays/actors/ovl_En_Go/z_en_go.c
+++ b/src/overlays/actors/ovl_En_Go/z_en_go.c
@@ -426,12 +426,15 @@ void func_80A3F060(EnGo* this, PlayState* play) {
     Npc_TrackPoint(&this->actor, &this->interactInfo, 4, trackingMode);
 }
 
-void func_80A3F0E4(EnGo* this) {
-    if (DECR(this->unk_214) == 0) {
-        this->unk_216++;
-        if (this->unk_216 >= 3) {
-            this->unk_214 = Rand_S16Offset(30, 30);
-            this->unk_216 = 0;
+void EnGo_UpdateBlinking(EnGo* this) {
+    // @unused
+    // although this function runs a similar logic as `EnGo2_EyeMouthTexState`
+    // its results are never used: this Goron always sets `gGoronCsEyeOpenTex`
+    if (DECR(this->blinkTimer) == 0) {
+        this->eyeTexIndex++;
+        if (this->eyeTexIndex >= 3) {
+            this->blinkTimer = Rand_S16Offset(30, 30);
+            this->eyeTexIndex = 0;
         }
     }
 }
@@ -1054,7 +1057,7 @@ void EnGo_Update(Actor* thisx, PlayState* play) {
     }
 
     Actor_UpdateBgCheckInfo(play, &this->actor, 0.0f, 0.0f, 0.0f, UPDBGCHECKINFO_FLAG_2);
-    func_80A3F0E4(this);
+    EnGo_UpdateBlinking(this);
     func_80A3F908(this, play);
     this->actionFunc(this, play);
     func_80A3F060(this, play);
diff --git a/src/overlays/actors/ovl_En_Go/z_en_go.h b/src/overlays/actors/ovl_En_Go/z_en_go.h
index 894b457d14..7b695a969b 100644
--- a/src/overlays/actors/ovl_En_Go/z_en_go.h
+++ b/src/overlays/actors/ovl_En_Go/z_en_go.h
@@ -56,8 +56,8 @@ typedef struct EnGo {
     /* 0x020E */ s16 unk_20E;
     /* 0x0210 */ s16 unk_210;
     /* 0x0212 */ s16 unk_212;
-    /* 0x0214 */ s16 unk_214;
-    /* 0x0216 */ s16 unk_216;
+    /* 0x0214 */ s16 blinkTimer;  // unused
+    /* 0x0216 */ s16 eyeTexIndex; // unused
     /* 0x0218 */ s16 unk_218;
     /* 0x021A */ s16 unk_21A;
     /* 0x021C */ s16 unk_21C;