Ported more stuff from: (#687)

* Ported more stuff from:
xCamera, xEntMotion, xPad, xSerializer, xString

* Elegant code

Author: LivewireCB

src/SB/Core/x/xCamera.cpp

@@ -286,6 +286,7 @@ void xCameraMove(xCamera* cam, const xVec3& loc);
 void xCameraMove(xCamera* cam, const xVec3& loc, F32 maxSpeed);
 void xCameraFOV(xCamera* cam, F32 fov, F32 maxSpeed, F32 dt);
 void xCameraRotate(xCamera* cam, const xMat3x3& m, F32 time, F32 accel, F32 decl);
+void xCameraLook(xCamera* cam, U32 flags, const xQuat* orn_goal, F32 tm, F32 tm_acc, F32 tm_dec);
 void xCameraLookYPR(xCamera* cam, U32 flags, F32 yaw, F32 pitch, F32 roll, F32 tm, F32 tm_acc,
                     F32 tm_dec);
 F32 xCameraGetFOV(const xCamera* cam);

src/SB/Core/x/xCamera.h

@@ -126,6 +126,7 @@ struct xScene;
 void xCollideInit(xScene* sc);
 void xCollideCalcTri(xCollis::tri_data&, const xModelInstance&, const xVec3&, const xVec3&);
 S32 xSweptSphereToBox(xSweptSphere* sws, xBox* box, xMat4x3* mat);
+S32 xSweptSphereToEnv(xSweptSphere* sws, xEnv* env);
 S32 xSweptSphereToModel(xSweptSphere* sws, RpAtomic* model, RwMatrix* mat);
 S32 xSweptSphereToScene(xSweptSphere* sws, xScene* sc, xEnt* mover, U8 collType);
 void xSweptSpherePrepare(xSweptSphere* sws, xVec3* start, xVec3* end, F32 radius);