Refactor dMCloth_c to use mCurArr for indexing and update structure definitions in d_menu_cloth.

include/d/d_menu_cloth.h

@@ -12,12 +12,12 @@ public:
     dMCloth_c();
     virtual ~dMCloth_c();
 
-    void getBackNrm() {}
-    void getNrm() {}
-    void getOffsetVec() {}
-    void getPos() {}
-    void getShadowPos() {}
-    void getTexObj() {}
+    cXyz* getBackNrm() { return field_0x52f8; }
+    cXyz* getNrm() { return field_0x29a0[mCurArr]; }
+    cXyz* getOffsetVec() {}
+    cXyz* getPos() { return field_0x48[mCurArr]; }
+    cXyz* getShadowPos() {}
+    GXTexObj* getTexObj() { return &mTexObj; }
     void setArchive(JKRArchive* arc) { mpArc = arc; }
     void setClothType(u8 type) { mClothType = type; } // ?
 
@@ -43,14 +43,14 @@ public:
     /* 0x0004 */ u16 field_0x4;
     /* 0x0006 */ u8 field_0x6[0x44 - 0x06];
     /* 0x0044 */ JKRArchive* mpArc;
-    /* 0x0048 */ cXyz field_0x48[882];
-    /* 0x29A0 */ cXyz field_0x29a0[882];
+    /* 0x0048 */ cXyz field_0x48[2][441];
+    /* 0x29A0 */ cXyz field_0x29a0[2][441];
     /* 0x52F8 */ cXyz field_0x52f8[441];
     /* 0x67A4 */ cXyz field_0x67a4[441];
     /* 0x7C50 */ cXyz field_0x7c50[441];
     /* 0x90FC */ GXTexObj mTexObj;
     /* 0x911C */ u8 field_0x911c[0x913C - 0x911C];
-    /* 0x913C */ u8 field_0x913c;
+    /* 0x913C */ u8 mCurArr;
     /* 0x913D */ u8 mClothType;
     /* 0x913E */ u8 field_913e[0x9168 - 0x913E];
 };

src/d/d_menu_cloth.cpp

@@ -165,7 +165,7 @@ void dMCloth_c::init() {
 
 /* 80199E1C-80199F48       .text __ct__9dMCloth_cFv */
 dMCloth_c::dMCloth_c() {
-    field_0x913c = 0;
+    mCurArr = 0;
     field_0x4 = 0;
     mClothType = 0;
     if (l_HIO.mNo < 0) {
@@ -185,7 +185,14 @@ dMCloth_c::~dMCloth_c() {
 
 /* 8019A058-8019A0AC       .text setBackNrm__9dMCloth_cFv */
 void dMCloth_c::setBackNrm() {
-    /* Nonmatching */
+    cXyz* pNrm = getNrm();
+    cXyz* pBackNrm = getBackNrm();
+
+    for (int i = 0; i < 441; i++) {
+        pBackNrm->set(-pNrm->x, -pNrm->y, -pNrm->z);
+        pNrm++;
+        pBackNrm++;
+    }
 }
 
 /* 8019A0AC-8019A480       .text setNrmVtx__9dMCloth_cFP4cXyzii */