progress on d_a_obj_ivy_rope (#109)

* init

* couple more funcs

* progress

* smol progress

* smol progress 2

* Dont get your hopes up, I just had some lingering things :P

* fix merge

include/m/m3d/m_bline.h

@@ -1,9 +1,11 @@
 #ifndef M3D_BLINE_H
 #define M3D_BLINE_H
 
+#include "common.h"
 #include "egg/gfx/eggTexture.h"
 #include "m/m3d/m_proc.h"
 #include "m/m_math.h"
+#include "m/m_vec.h"
 #include "nw4r/ut/ut_Color.h"
 
 namespace m3d {
@@ -11,26 +13,20 @@ namespace m3d {
 // The Actual line
 class bline_c {
 public:
-    bline_c() : mpPathArr(0), mpVtxPosArr(0), mpVtxNrmArr(0), mpVtxTexArr(0), mFlags(0) {}
+    bline_c() : mpPathArr(nullptr), mpVtxPosArr(nullptr), mpVtxNrmArr(nullptr), mpVtxTexArr(nullptr), mFlags(0) {}
     // This is mainly a Guess, When the array is created, it has both a ctor/dtor
     struct VtxPos {
         mVec3_c pos1;
         mVec3_c pos2;
     };
     struct Vec3u8 {
+        Vec3u8() {}
         u8 x, y, z;
     };
     // This is mainly a Guess, When the array is created, it has only a ctor
     struct VtxNrm {
-#pragma warning off(10402)
-        union {
-            struct {
-                Vec3u8 nrm1;
-                Vec3u8 nrm2;
-            };
-            EGG::Vector3s nrm_u16; // There is a short by short copy later
-        };
-#pragma warning on(10402)
+        Vec3u8 nrm1;
+        Vec3u8 nrm2;
     };
     // This is mainly a Guess, When the array is created, it doesnt use the array alloc
     struct VtxTex {
@@ -44,6 +40,10 @@ public:
     void remove();
     void draw();
 
+    mVec3_c &getPathPoint(u16 idx) {
+        return mpPathArr[idx];
+    }
+
     // vt at 0x08
     virtual ~bline_c();
 
@@ -63,6 +63,7 @@ public:
 
 class blineMat_c : public proc_c {
 public:
+    blineMat_c() : mpLineArr(nullptr) {}
     virtual ~blineMat_c();
     virtual void remove() override;
     virtual void drawOpa() override;

include/m/m_mtx.h

@@ -17,7 +17,7 @@ class mMtx_c : public EGG::Matrix34f {
     typedef const f32 (*MtxRefConst)[4];
 
 public:
-    mMtx_c(){};
+    mMtx_c() {};
     mMtx_c(f32 xx, f32 xy, f32 xz, f32 xw, f32 yx, f32 yy, f32 yz, f32 yw, f32 zx, f32 zy, f32 zz, f32 zw);
 
     operator MtxRef() {
@@ -78,17 +78,27 @@ public:
         return ret;
     }
 
+    void multVec(const mVec3_c &in, mVec3_c &out) const {
+        PSMTXMultVec(*this, in, out);
+    }
+
     mMtx_c &operator+=(const mMtx_c &rhs) {
         PSMTXConcat(*this, rhs, *this);
         return *this;
     }
 
+    mVec3_c operator*(const mVec3_c &rhs) {
+        mVec3_c out;
+        PSMTXMultVec(*this, rhs, out);
+        return out;
+    }
+
     void applyQuat(mQuat_c &quat) {
         PSMTXMultVec(m, quat.v, quat.v);
     }
 
     void fn_802F1C40(s32, s32);
-    void makeRotationFromVecs(const mVec3_c&, const mVec3_c&, f32);
+    void makeRotationFromVecs(const mVec3_c &, const mVec3_c &, f32);
 
 public:
     static mMtx_c Identity;