nearly match CocoNutBall

config/RMGK01/splits.txt

@@ -2572,6 +2572,7 @@ Game/Enemy/CocoNutBall.cpp:
 	.ctors      start:0x8052EA68 end:0x8052EA6C
 	.rodata     start:0x80531E30 end:0x80531E50
 	.data       start:0x8057B348 end:0x8057B500
+	.sdata      start:0x806B18F0 end:0x806B18F8
 	.sbss       start:0x806B3DA0 end:0x806B3DB8
 	.sdata2     start:0x806BA2A8 end:0x806BA338
 

config/RMGK01/symbols.txt

@@ -62267,7 +62267,7 @@ hCountTimer__21@unnamed@BombHei_cpp@ = .sdata:0x806B18E0; // type:object size:0x
 lbl_806B18E4 = .sdata:0x806B18E4; // type:object size:0x4 data:string
 lbl_806B18E8 = .sdata:0x806B18E8; // type:object size:0x4 data:string
 lbl_806B18F0 = .sdata:0x806B18F0; // type:object size:0x4 data:string
-lbl_806B18F4 = .sdata:0x806B18F4; // type:object size:0x4
+lbl_806B18F4 = .sdata:0x806B18F4; // type:object size:0x4 data:string
 lbl_806B18F8 = .sdata:0x806B18F8; // type:object size:0x4 data:string
 lbl_806B18FC = .sdata:0x806B18FC; // type:object size:0x4
 lbl_806B1900 = .sdata:0x806B1900; // type:object size:0x4 data:string

include/Game/Enemy/CocoNutBall.hpp

@@ -0,0 +1,52 @@
+#include "Game/LiveActor/LiveActor.hpp"
+
+class CocoNutBall : public LiveActor {
+public:
+    CocoNutBall(const char* pName);
+
+    virtual ~CocoNutBall();
+    virtual void init(const JMapInfoIter& rIter);
+    virtual void appear();
+    virtual void kill();
+    virtual void calcAndSetBaseMtx();
+    virtual void attackSensor(HitSensor* pSender, HitSensor* pReceiver);
+    virtual bool receiveMsgPlayerAttack(u32 msg, HitSensor* pSender, HitSensor* pReceiver);
+
+    void appearAndThrow(const TVec3f&, f32);
+    void hitBackToPlayer();
+    void demoBreak(const TVec3f&);
+    HitSensor* isBindedAny() const;
+    bool isValidReceivePunch() const;
+    bool isNerveTrowToOrFreeze() const;  // inline used several places
+    bool isSensorBody(HitSensor*) const;
+    void calcHitBackVelocitAndGravity();
+    bool isHitBackRight() const;
+    bool isHitBackFront() const;
+    void calcHitBackDstPos(TVec3f*, bool, bool);
+    bool tryToKill(bool);
+    void setVelocityToPlayer(f32, f32);
+    void freeze();
+    bool isFreezable();
+    void processApproachToPlayer();
+    void exeThrow();
+    void exeHitBackToHost();
+    void exeHitBackToPlayer();
+    void exeRebound();
+    void exeFreeze();
+    void exeFreezeRelease();
+
+    LiveActor* _8C;
+    TVec3f _90;
+    s32 _9C;
+    s32 _A0;
+    TVec3f _A4;
+    TVec3f _B0;
+    bool _BC;
+    bool _BD;
+    bool _BE;
+    f32 _C0;
+    f32 _C4;
+    TVec3f _C8;
+    f32 _D4;
+    bool _D8;
+};

libs/JSystem/include/JSystem/JGeometry/TVec.hpp

@@ -394,6 +394,10 @@ namespace JGeometry {
             return ret;
         }
 
+        inline void negate(const TVec3& rVec) {
+            JMathInlineVEC::PSVECNegate(rVec, this);
+        }
+
         inline TVec3 negateOperatorInternal() const {
             TVec3 ret;
             JGeometry::negateInternal(&this->x, &ret.x);
@@ -711,7 +715,16 @@ namespace JGeometry {
             return lengthinv * oldlength;
         };
 
-        f32 setLength(const TVec3&, f32);
+        f32 setLength(const TVec3& rVec, f32 newlength)  {
+            f32 oldlength = rVec.squared();
+            if (oldlength <= 0.0000038146973f) {
+                zero();
+                return 0.0f;
+            }
+            f32 lengthinv = JGeometry::TUtil< f32 >::inv_sqrt(oldlength);
+            scale(lengthinv * newlength, rVec);
+            return lengthinv * oldlength;
+        };
 
         f32 length() const {
             return PSVECMag(this);