d_a_demo00 work (#2525)

* Initial work

* Got to ke_control

* draw function

* tiny execute work

* all functions worked on

* PR cleanup

* Took out static keyword for dDemo_setDemoData

include/JSystem/J3DGraphAnimator/J3DJoint.h

@@ -70,6 +70,8 @@ public:
 
     static J3DMtxCalc* mCurrentMtxCalc;
 
+    inline u8 getKind() { return mKind & 15; }
+
 private:
     friend struct J3DJointFactory;
     friend class J3DJointTree;

include/JSystem/J3DGraphAnimator/J3DModel.h

@@ -100,6 +100,7 @@ public:
     Vec* getBaseScale() { return &mBaseScale; }
     void setAnmMtx(int jointNo, Mtx m) { mMtxBuffer->setAnmMtx(jointNo, m); }
     MtxP getAnmMtx(int jointNo) { return mMtxBuffer->getAnmMtx(jointNo); }
+    J3DSkinDeform* getSkinDeform() { return mSkinDeform; }
 
     /* 0x04 */ J3DModelData* mModelData;
     /* 0x08 */ u32 mFlags;