Fully working mbh for two phase missions!

julia/src/inner_loop/propagator.jl

@@ -21,9 +21,6 @@ function prop_one(ΔV_unit::Vector{<:Real},
                   time::Float64,
                   primary::Body=Sun)
 
-  for direction in ΔV_unit
-    abs(direction) <= 1.0 || throw(PropOne_Error(ΔV_unit))
-  end
   ΔV = max_ΔV(craft.duty_cycle, craft.num_thrusters, craft.max_thrust, time, 0., state[7]) * ΔV_unit
   halfway = laguerre_conway(state, time/2, primary) + [zeros(3); ΔV]
   final = laguerre_conway(halfway, time/2, primary)
@@ -81,3 +78,24 @@ end
 Convenience function for propagating a state with no thrust
 """
 prop(x::Vector{Float64}, t::Float64, p::Body=Sun) = prop(zeros(1000,3), [x;1.], no_thrust, t, p)[1]
+
+"""
+This is solely for the purposes of getting the final state of a mission or guess
+"""
+function prop(m::Mission)
+    time = m.launch_date
+    current_planet = Earth
+    start = state(current_planet, time, m.launch_v∞, m.start_mass)
+
+    final = zeros(7)
+    for phase in m.phases
+      final = prop(phase.thrust_profile, start, m.sc, phase.tof)[2]
+      mass = final[7]
+      current_planet = phase.planet
+      time += Dates.Second(floor(phase.tof))
+      start = state(current_planet, time, phase.v∞_out, mass)
+    end
+
+    return final
+
+end