From c66e7d24018e4a6b43cb169076f2f8c1fe593f12 Mon Sep 17 00:00:00 2001
From: guymakinggames <66076221+guymakinggames@users.noreply.github.com>
Date: Thu, 9 Apr 2026 11:33:42 +0100
Subject: [PATCH] Boss/Koopa: Implement `KoopaFireBeamGround` (#983)

---
 data/file_list.yml                     | 22 +++++-----
 src/Boss/Koopa/KoopaFireBeamGround.cpp | 56 ++++++++++++++++++++++++++
 src/Boss/Koopa/KoopaFireBeamGround.h   | 21 ++++++++++
 3 files changed, 88 insertions(+), 11 deletions(-)
 create mode 100644 src/Boss/Koopa/KoopaFireBeamGround.cpp
 create mode 100644 src/Boss/Koopa/KoopaFireBeamGround.h

diff --git a/data/file_list.yml b/data/file_list.yml
index 37976e56..5c618b21 100644
--- a/data/file_list.yml
+++ b/data/file_list.yml
@@ -16599,48 +16599,48 @@ Boss/Koopa/KoopaFireBeamGround.o:
   - offset: 0x092324
     size: 120
     label: _ZN19KoopaFireBeamGroundC2EPKc
-    status: NotDecompiled
+    status: Matching
   - offset: 0x09239c
     size: 132
     label: _ZN19KoopaFireBeamGroundC1EPKc
-    status: NotDecompiled
+    status: Matching
   - offset: 0x092420
     size: 112
     label: _ZN19KoopaFireBeamGround4initERKN2al13ActorInitInfoE
-    status: NotDecompiled
+    status: Matching
   - offset: 0x092490
     size: 44
     label: _ZN19KoopaFireBeamGround10appearSignEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x0924bc
     size: 44
     label: _ZN19KoopaFireBeamGround6appearEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x0924e8
     size: 100
     label: _ZN19KoopaFireBeamGround12attackSensorEPN2al9HitSensorES2_
-    status: NotDecompiled
+    status: Matching
   - offset: 0x09254c
     size: 8
     label: _ZN19KoopaFireBeamGround10receiveMsgEPKN2al9SensorMsgEPNS0_9HitSensorES5_
-    status: NotDecompiled
+    status: Matching
   - offset: 0x092554
     size: 60
     label: _ZN19KoopaFireBeamGround13exeAppearSignEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x092590
     size: 60
     label: _ZN19KoopaFireBeamGround7exeWaitEv
-    status: NotDecompiled
+    status: Matching
   - offset: 0x0925cc
     size: 64
     label: _ZNK12_GLOBAL__N_132KoopaFireBeamGroundNrvAppearSign7executeEPN2al11NerveKeeperE
-    status: NotDecompiled
+    status: Matching
     guess: true
   - offset: 0x09260c
     size: 64
     label: _ZNK12_GLOBAL__N_126KoopaFireBeamGroundNrvWait7executeEPN2al11NerveKeeperE
-    status: NotDecompiled
+    status: Matching
     guess: true
 Boss/Koopa/KoopaFlag.o:
   '.text':
diff --git a/src/Boss/Koopa/KoopaFireBeamGround.cpp b/src/Boss/Koopa/KoopaFireBeamGround.cpp
new file mode 100644
index 00000000..171eec18
--- /dev/null
+++ b/src/Boss/Koopa/KoopaFireBeamGround.cpp
@@ -0,0 +1,56 @@
+#include "Boss/Koopa/KoopaFireBeamGround.h"
+
+#include "Library/LiveActor/ActorActionFunction.h"
+#include "Library/LiveActor/ActorInitUtil.h"
+#include "Library/LiveActor/ActorSensorUtil.h"
+#include "Library/Nerve/NerveSetupUtil.h"
+#include "Library/Nerve/NerveUtil.h"
+
+#include "Util/PlayerUtil.h"
+
+namespace {
+NERVE_IMPL(KoopaFireBeamGround, AppearSign)
+NERVE_IMPL(KoopaFireBeamGround, Wait)
+
+NERVES_MAKE_NOSTRUCT(KoopaFireBeamGround, AppearSign, Wait)
+}  // namespace
+
+KoopaFireBeamGround::KoopaFireBeamGround(const char* name) : al::LiveActor(name) {}
+
+void KoopaFireBeamGround::init(const al::ActorInitInfo& info) {
+    al::initActorWithArchiveName(this, info, "KoopaFireBeamGround", nullptr);
+    al::initNerve(this, &AppearSign, 0);
+    makeActorDead();
+}
+
+void KoopaFireBeamGround::appearSign() {
+    al::LiveActor::appear();
+    al::setNerve(this, &AppearSign);
+}
+
+void KoopaFireBeamGround::appear() {
+    al::LiveActor::appear();
+    al::setNerve(this, &Wait);
+}
+
+void KoopaFireBeamGround::attackSensor(al::HitSensor* self, al::HitSensor* other) {
+    if (!al::isNerve(this, &AppearSign) && rs::isPlayerOnGround(this))
+        al::sendMsgEnemyAttackFire(other, self, nullptr);
+}
+
+bool KoopaFireBeamGround::receiveMsg(const al::SensorMsg* message, al::HitSensor* other,
+                                     al::HitSensor* self) {
+    if (al::isMsgPlayerDisregard(message))
+        return true;
+    return false;
+}
+
+void KoopaFireBeamGround::exeAppearSign() {
+    if (al::isFirstStep(this))
+        al::startAction(this, "AppearSign");
+}
+
+void KoopaFireBeamGround::exeWait() {
+    if (al::isFirstStep(this))
+        al::startAction(this, "Wait");
+}
diff --git a/src/Boss/Koopa/KoopaFireBeamGround.h b/src/Boss/Koopa/KoopaFireBeamGround.h
new file mode 100644
index 00000000..fc06a0cd
--- /dev/null
+++ b/src/Boss/Koopa/KoopaFireBeamGround.h
@@ -0,0 +1,21 @@
+#pragma once
+
+#include "Library/LiveActor/LiveActor.h"
+
+class KoopaFireBeamGround : public al::LiveActor {
+public:
+    KoopaFireBeamGround(const char* name);
+
+    void init(const al::ActorInitInfo& info) override;
+    void appear() override;
+    void attackSensor(al::HitSensor* self, al::HitSensor* other) override;
+    bool receiveMsg(const al::SensorMsg* message, al::HitSensor* other,
+                    al::HitSensor* self) override;
+
+    void appearSign();
+
+    void exeAppearSign();
+    void exeWait();
+};
+
+static_assert(sizeof(KoopaFireBeamGround) == 0x108);