From 65d670dc85d636308f558a1a6d7fcc2713810a2a Mon Sep 17 00:00:00 2001
From: guymakinggames <66076221+guymakinggames@users.noreply.github.com>
Date: Mon, 30 Mar 2026 10:18:58 +0100
Subject: [PATCH] Enemy: Implement `WanwanHole` (#987)

---
 data/file_list.yml       | 18 ++++++-------
 src/Enemy/WanwanHole.cpp | 56 ++++++++++++++++++++++++++++++++++++++++
 src/Enemy/WanwanHole.h   | 16 ++++++++++++
 3 files changed, 81 insertions(+), 9 deletions(-)
 create mode 100644 src/Enemy/WanwanHole.cpp
 create mode 100644 src/Enemy/WanwanHole.h

diff --git a/data/file_list.yml b/data/file_list.yml
index 74c77336..5ebfad2d 100644
--- a/data/file_list.yml
+++ b/data/file_list.yml
@@ -44474,40 +44474,40 @@ Enemy/WanwanHole.o:
   - offset: 0x1ac7d4
     size: 120
     label: _ZN10WanwanHoleC2EPKc
-    status: NotDecompiled
+    status: Matching
   - offset: 0x1ac84c
     size: 132
     label: _ZN10WanwanHoleC1EPKc
-    status: NotDecompiled
+    status: Matching
   - offset: 0x1ac8d0
     size: 116
     label: _ZN10WanwanHole4initERKN2al13ActorInitInfoE
-    status: NotDecompiled
+    status: Matching
   - offset: 0x1ac944
     size: 112
     label: _ZN10WanwanHole12attackSensorEPN2al9HitSensorES2_
-    status: NotDecompiled
+    status: Matching
   - offset: 0x1ac9b4
     size: 8
     label: _ZN10WanwanHole10receiveMsgEPKN2al9SensorMsgEPNS0_9HitSensorES5_
-    status: NotDecompiled
+    status: Matching
   - offset: 0x1ac9bc
     size: 52
     label: _ZN10WanwanHole7exeWaitEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x1ac9f0
     size: 96
     label: _ZN10WanwanHole5exeInEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x1aca50
     size: 56
     label: _ZNK12_GLOBAL__N_117WanwanHoleNrvWait7executeEPN2al11NerveKeeperE
-    status: NotDecompiled
+    status: Matching
     guess: true
   - offset: 0x1aca88
     size: 100
     label: _ZNK12_GLOBAL__N_115WanwanHoleNrvIn7executeEPN2al11NerveKeeperE
-    status: NotDecompiled
+    status: Matching
     guess: true
 Enemy/WanwanStateHack.o:
   '.text':
diff --git a/src/Enemy/WanwanHole.cpp b/src/Enemy/WanwanHole.cpp
new file mode 100644
index 00000000..68e86d59
--- /dev/null
+++ b/src/Enemy/WanwanHole.cpp
@@ -0,0 +1,56 @@
+#include "Enemy/WanwanHole.h"
+
+#include "Library/LiveActor/ActorClippingFunction.h"
+#include "Library/LiveActor/ActorInitUtil.h"
+#include "Library/LiveActor/ActorSensorUtil.h"
+#include "Library/Nerve/NerveSetupUtil.h"
+#include "Library/Nerve/NerveUtil.h"
+#include "Library/Placement/PlacementFunction.h"
+#include "Library/Stage/StageSwitchUtil.h"
+
+#include "Util/SensorMsgFunction.h"
+
+namespace {
+NERVE_IMPL(WanwanHole, Wait);
+NERVE_IMPL(WanwanHole, In);
+NERVES_MAKE_NOSTRUCT(WanwanHole, Wait, In);
+}  // namespace
+
+WanwanHole::WanwanHole(const char* name) : al::LiveActor(name) {}
+
+void WanwanHole::init(const al::ActorInitInfo& initInfo) {
+    al::initActor(this, initInfo);
+    al::initNerve(this, &Wait, 0);
+    f32 addHoleRadius = 0.0f;
+    al::tryGetArg(&addHoleRadius, initInfo, "AddHoleRadius");
+    al::setSensorRadius(this, addHoleRadius);
+    makeActorAlive();
+}
+
+void WanwanHole::attackSensor(al::HitSensor* self, al::HitSensor* other) {
+    if (al::isNerve(this, &Wait)) {
+        if (rs::sendMsgWanwanHoleIn(other, self)) {
+            al::invalidateClipping(this);
+            al::setNerve(this, &In);
+        }
+    }
+}
+
+bool WanwanHole::receiveMsg(const al::SensorMsg* message, al::HitSensor* other,
+                            al::HitSensor* self) {
+    if (rs::isMsgPlayerDisregardHomingAttack(message))
+        return true;
+    return false;
+}
+
+void WanwanHole::exeWait() {
+    if (al::isFirstStep(this))
+        al::validateClipping(this);
+}
+
+void WanwanHole::exeIn() {
+    if (al::isGreaterEqualStep(this, 60))
+        al::tryOnStageSwitch(this, "SwitchWanwanInOn");
+    if (al::isGreaterEqualStep(this, 100))
+        al::setNerve(this, &Wait);
+}
diff --git a/src/Enemy/WanwanHole.h b/src/Enemy/WanwanHole.h
new file mode 100644
index 00000000..6782e65b
--- /dev/null
+++ b/src/Enemy/WanwanHole.h
@@ -0,0 +1,16 @@
+#pragma once
+
+#include "Library/LiveActor/LiveActor.h"
+
+class WanwanHole : public al::LiveActor {
+public:
+    WanwanHole(const char* name);
+    void init(const al::ActorInitInfo& initInfo) override;
+    void attackSensor(al::HitSensor* self, al::HitSensor* other) override;
+    bool receiveMsg(const al::SensorMsg* message, al::HitSensor* other,
+                    al::HitSensor* self) override;
+    void exeWait();
+    void exeIn();
+};
+
+static_assert(sizeof(WanwanHole) == 0x108);