-extern GLfloat zoom, rotate;
-extern GLfloat zoomFactor, rotateFactor;
+extern GLfloat zoom, rotate, camAngle;
+extern GLfloat zoomFactor, camRotateFactor, camAngleFactor;
+extern GLfloat leftrightFactor, nearfarFactor, bigsmallFactor;
+extern GLfloat updownFactor, rotateFactor, texscaleFactor;
+extern GLfloat lleftrightFactor, lnearfarFactor;
+
+/* Texture state tracking */
+extern int currentGroundTexture, currentMeshTexture;