From d7f74cf521c7cc404788ac628bce3143349c34ee Mon Sep 17 00:00:00 2001
From: ryanbevins <ryanabevins@gmail.com>
Date: Fri, 13 Feb 2026 20:45:05 +0800
Subject: [PATCH] animalnerve decompilation (2/3 matching)

---
 include/Animal/AnimalBase.hpp |  26 ++++++++
 include/Camera/cameralib.hpp  |   2 +-
 src/Animal/AnimalNerve.cpp    | 108 ++++++++++++++++++++++++++++++++++
 3 files changed, 135 insertions(+), 1 deletion(-)
 create mode 100644 include/Animal/AnimalBase.hpp

diff --git a/include/Animal/AnimalBase.hpp b/include/Animal/AnimalBase.hpp
new file mode 100644
index 00000000..355fdacc
--- /dev/null
+++ b/include/Animal/AnimalBase.hpp
@@ -0,0 +1,26 @@
+#ifndef ANIMAL_ANIMAL_BASE_HPP
+#define ANIMAL_ANIMAL_BASE_HPP
+
+#include <Enemy/Enemy.hpp>
+
+class TAnimalBase : public TSpineEnemy {
+public:
+	TAnimalBase(u32, const char*);
+
+	virtual void load(JSUMemoryInputStream&);
+	virtual void perform(u32, JDrama::TGraphics*);
+	virtual BOOL receiveMessage(THitActor*, u32);
+	virtual void init(TLiveManager*);
+	virtual void calcRootMatrix();
+
+	void execWalk(bool);
+	void getRotationFlyToDir(JGeometry::TVec3<f32>*,
+	                         const JGeometry::TVec3<f32>&, f32, f32);
+	void resetRandomCurPathNode();
+	void loadAfter();
+
+public:
+	/* 0x150 */ int* mFrameTimer;
+};
+
+#endif
diff --git a/include/Camera/cameralib.hpp b/include/Camera/cameralib.hpp
index 4796334b..435a0360 100644
--- a/include/Camera/cameralib.hpp
+++ b/include/Camera/cameralib.hpp
@@ -68,7 +68,7 @@ template <class T> T CLBLinearInbetween(T a, T b, f32 f)
 	return (T)(a + f * (b - a));
 }
 
-template <class T> void CLBPalFrame(T);
+template <class T> T CLBPalFrame(T);
 template <class T> void CLBPalIntSpeed(T);
 template <class T> T CLBRoundf(f32);
 template <class T> void CLBTwoDegreeGeneralInbetween(T, T, f32, f32);
diff --git a/src/Animal/AnimalNerve.cpp b/src/Animal/AnimalNerve.cpp
index 8b137891..7c417191 100644
--- a/src/Animal/AnimalNerve.cpp
+++ b/src/Animal/AnimalNerve.cpp
@@ -1 +1,109 @@
+#include <Animal/AnimalNerve.hpp>
+#include <Animal/AnimalBase.hpp>
+#include <Animal/AnimalManager.hpp>
+#include <Animal/AnimalSave.hpp>
+#include <M3DUtil/MActor.hpp>
+#include <MarioUtil/RandomUtil.hpp>
+#include <JSystem/J3D/J3DGraphAnimator/J3DAnimation.hpp>
+#include <Camera/cameralib.hpp>
+#include <Strategic/Spine.hpp>
 
+f32 calcDist(const JGeometry::TVec3<f32>& a, const JGeometry::TVec3<f32>& b)
+{
+	JGeometry::TVec3<f32> diff = a;
+	diff.sub(b);
+	return JGeometry::TUtil<f32>::sqrt(diff.squared());
+}
+
+DEFINE_NERVE(TNerveAnimalGraphWander, TLiveActor)
+{
+	TAnimalBase* actor          = (TAnimalBase*)spine->getBody();
+	MActor* mActor              = actor->getMActor();
+	TAnimalManagerBase* manager = (TAnimalManagerBase*)actor->getManager();
+
+	TAnimalSaveIndividual* save = manager->mAnimalSave;
+	int count                   = save->mSLSharedAnmNum.get();
+
+	if (count != 0 && actor->getInstanceIndex() >= count) {
+		TLiveActor* other = manager->getObj(actor->getInstanceIndex() % count);
+
+		int anmIdx = other->getMActor()->getCurAnmIdx(0);
+		mActor->setBckFromIndex(anmIdx);
+
+		J3DFrameCtrl* myCtrl    = mActor->getFrameCtrl(0);
+		J3DFrameCtrl* otherCtrl = other->getMActor()->getFrameCtrl(0);
+		myCtrl->mCurrentFrame   = otherCtrl->mCurrentFrame;
+	} else if (actor->getActorType() != 0x800001) {
+		// not the right type, skip animation setup
+	} else {
+		if (spine->getTime() == 0) {
+			int hi     = CLBPalFrame<int>(500);
+			int lo     = CLBPalFrame<int>(150);
+			int* timer = actor->mFrameTimer;
+			timer[0]   = 0;
+			timer[1]   = lo + (int)((f32)(hi - lo) * (MsRandF())) + 1;
+		}
+
+		int* timer = actor->mFrameTimer;
+		timer[0]   = timer[0] + 1;
+		if (timer[0] >= timer[1]) {
+			timer[0] = timer[1];
+		}
+
+		BOOL anmEndsNext = mActor->curAnmEndsNext(0, 0);
+
+		if (mActor->getCurAnmIdx(0) == 1 && anmEndsNext) {
+			if (!mActor->checkCurBckFromIndex(0))
+				mActor->setBckFromIndex(0);
+
+			int hi     = CLBPalFrame<int>(500);
+			int lo     = CLBPalFrame<int>(150);
+			int* timer = actor->mFrameTimer;
+			timer[0]   = 0;
+			timer[1]   = lo + (int)((f32)(hi - lo) * (MsRandF())) + 1;
+		}
+	}
+
+	actor->execWalk(true);
+
+	if (!actor->unk114.empty()) {
+		const JGeometry::TVec3<f32>& goalPos = actor->unkF4.getPoint();
+		f32 dist = calcDist(goalPos, actor->mPosition);
+
+		if (dist < 200.0f && !actor->unk114.empty()) {
+			actor->unkF4 = actor->unk114.pop();
+		}
+	} else {
+		const JGeometry::TVec3<f32>& curPos = actor->unk104.getPoint();
+		f32 dist = calcDist(curPos, actor->mPosition);
+
+		if (dist < 100.0f) {
+			actor->goToRandomNextGraphNode();
+			actor->resetRandomCurPathNode();
+
+			const JGeometry::TVec3<f32>& fwdPos = actor->unkF4.getPoint();
+
+			if (actor->mPosition.y <= fwdPos.y) {
+				if (!mActor->checkCurBckFromIndex(1))
+					mActor->setBckFromIndex(1);
+
+				int hi     = CLBPalFrame<int>(180);
+				int lo     = CLBPalFrame<int>(60);
+				int* timer = actor->mFrameTimer;
+				timer[0]   = 0;
+				timer[1]   = lo + (int)((f32)(hi - lo) * (MsRandF())) + 1;
+			} else {
+				if (!mActor->checkCurBckFromIndex(0))
+					mActor->setBckFromIndex(0);
+
+				int hi     = CLBPalFrame<int>(500);
+				int lo     = CLBPalFrame<int>(150);
+				int* timer = actor->mFrameTimer;
+				timer[0]   = 0;
+				timer[1]   = lo + (int)((f32)(hi - lo) * (MsRandF())) + 1;
+			}
+		}
+	}
+
+	return FALSE;
+}