diff options
Diffstat (limited to 'planner.c')
-rw-r--r-- | planner.c | 282 |
1 files changed, 161 insertions, 121 deletions
@@ -869,6 +869,14 @@ bool enough_gas(int current_cylinder) bool plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool show_disclaimer) { + int bottom_depth; + int bottom_gi; + int bottom_stopidx; + + bool is_final_plan = true; + int deco_time; + int previous_deco_time; + char *bottom_cache = NULL; struct sample *sample; int po2; int transitiontime, gi; @@ -886,7 +894,7 @@ bool plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool int avg_depth, max_depth, bottom_time = 0; int last_ascend_rate; int best_first_ascend_cylinder; - struct gasmix gas; + struct gasmix gas, bottom_gas; int o2time = 0; int breaktime = -1; int breakcylinder = 0; @@ -1008,7 +1016,6 @@ bool plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool free(stoplevels); free(gaschanges); - return(false); } @@ -1027,148 +1034,181 @@ bool plan(struct diveplan *diveplan, char **cached_datap, bool is_planner, bool // VPM-B or Buehlmann Deco nuclear_regeneration(clock); vpmb_start_gradient(); + previous_deco_time = 100000000; + deco_time = 10000000; + cache_deco_state(tissue_tolerance, &bottom_cache); // Lets us make several iterations + bottom_depth = depth; + bottom_gi = gi; + bottom_gas = gas; + bottom_stopidx = stopidx; + //CVA + do { + is_final_plan = (prefs.deco_mode == BUEHLMANN) || (previous_deco_time - deco_time < 10); // CVA time converges + previous_deco_time = deco_time; + restore_deco_state(bottom_cache); + + depth = bottom_depth; + gi = bottom_gi; + clock = previous_point_time = bottom_time; + gas = bottom_gas; + stopping = false; + decodive = false; + stopidx = bottom_stopidx; + breaktime = -1; + breakcylinder = 0; + o2time = 0; + last_ascend_rate = ascent_velocity(depth, avg_depth, bottom_time); + if ((current_cylinder = get_gasidx(&displayed_dive, &gas)) == -1) { + report_error(translate("gettextFromC", "Can't find gas %s"), gasname(&gas)); + current_cylinder = 0; + } + vpmb_next_gradient(deco_time); - while (1) { - /* We will break out when we hit the surface */ - do { - /* Ascend to next stop depth */ - int deltad = ascent_velocity(depth, avg_depth, bottom_time) * TIMESTEP; - if (ascent_velocity(depth, avg_depth, bottom_time) != last_ascend_rate) { - plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); + while (1) { + /* We will break out when we hit the surface */ + do { + /* Ascend to next stop depth */ + int deltad = ascent_velocity(depth, avg_depth, bottom_time) * TIMESTEP; + if (ascent_velocity(depth, avg_depth, bottom_time) != last_ascend_rate) { + if (is_final_plan) + plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); + previous_point_time = clock; + stopping = false; + last_ascend_rate = ascent_velocity(depth, avg_depth, bottom_time); + } + if (depth - deltad < stoplevels[stopidx]) + deltad = depth - stoplevels[stopidx]; + + tissue_tolerance = add_segment(depth_to_mbar(depth, &displayed_dive) / 1000.0, + &displayed_dive.cylinder[current_cylinder].gasmix, + TIMESTEP, po2, &displayed_dive, prefs.decosac); + clock += TIMESTEP; + depth -= deltad; + } while (depth > 0 && depth > stoplevels[stopidx]); + + if (depth <= 0) + break; /* We are at the surface */ + + if (gi >= 0 && stoplevels[stopidx] <= gaschanges[gi].depth) { + /* We have reached a gas change. + * Record this in the dive plan */ + if (is_final_plan) + plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); previous_point_time = clock; - stopping = false; - last_ascend_rate = ascent_velocity(depth, avg_depth, bottom_time); - } - if (depth - deltad < stoplevels[stopidx]) - deltad = depth - stoplevels[stopidx]; + stopping = true; - tissue_tolerance = add_segment(depth_to_mbar(depth, &displayed_dive) / 1000.0, - &displayed_dive.cylinder[current_cylinder].gasmix, - TIMESTEP, po2, &displayed_dive, prefs.decosac); - clock += TIMESTEP; - depth -= deltad; - } while (depth > 0 && depth > stoplevels[stopidx]); - - if (depth <= 0) - break; /* We are at the surface */ - - if (gi >= 0 && stoplevels[stopidx] <= gaschanges[gi].depth) { - /* We have reached a gas change. - * Record this in the dive plan */ - plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); - previous_point_time = clock; - stopping = true; - - /* Check we need to change cylinder. - * We might not if the cylinder was chosen by the user - * or user has selected only to switch only at required stops. - * If current gas is hypoxic, we want to switch asap */ - if (current_cylinder != gaschanges[gi].gasidx) { - if (!prefs.switch_at_req_stop || - !trial_ascent(depth, stoplevels[stopidx - 1], avg_depth, bottom_time, tissue_tolerance, - &displayed_dive.cylinder[current_cylinder].gasmix, po2, diveplan->surface_pressure / 1000.0) || get_o2(&displayed_dive.cylinder[current_cylinder].gasmix) < 160) { - current_cylinder = gaschanges[gi].gasidx; + /* Check we need to change cylinder. + * We might not if the cylinder was chosen by the user + * or user has selected only to switch only at required stops. + * If current gas is hypoxic, we want to switch asap */ + if (current_cylinder != gaschanges[gi].gasidx) { + if (!prefs.switch_at_req_stop || + !trial_ascent(depth, stoplevels[stopidx - 1], avg_depth, bottom_time, tissue_tolerance, + &displayed_dive.cylinder[current_cylinder].gasmix, po2, diveplan->surface_pressure / 1000.0) || get_o2(&displayed_dive.cylinder[current_cylinder].gasmix) < 160) { + current_cylinder = gaschanges[gi].gasidx; + gas = displayed_dive.cylinder[current_cylinder].gasmix; +#if DEBUG_PLAN & 16 + printf("switch to gas %d (%d/%d) @ %5.2lfm\n", gaschanges[gi].gasidx, + (get_o2(&gas) + 5) / 10, (get_he(&gas) + 5) / 10, gaschanges[gi].depth / 1000.0); +#endif + /* Stop for the minimum duration to switch gas */ + tissue_tolerance = add_segment(depth_to_mbar(depth, &displayed_dive) / 1000.0, + &displayed_dive.cylinder[current_cylinder].gasmix, + prefs.min_switch_duration, po2, &displayed_dive, prefs.decosac); + clock += prefs.min_switch_duration; + } else { + pendinggaschange = true; + } + gi--; + } + } + --stopidx; + + /* Save the current state and try to ascend to the next stopdepth */ + while (1) { + /* Check if ascending to next stop is clear, go back and wait if we hit the ceiling on the way */ + if (trial_ascent(depth, stoplevels[stopidx], avg_depth, bottom_time, tissue_tolerance, + &displayed_dive.cylinder[current_cylinder].gasmix, po2, diveplan->surface_pressure / 1000.0)) + break; /* We did not hit the ceiling */ + + /* Add a minute of deco time and then try again */ + decodive = true; + if (!stopping) { + /* The last segment was an ascend segment. + * Add a waypoint for start of this deco stop */ + if (is_final_plan) + plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); + previous_point_time = clock; + stopping = true; + } + if (pendinggaschange) { + current_cylinder = gaschanges[gi + 1].gasidx; gas = displayed_dive.cylinder[current_cylinder].gasmix; #if DEBUG_PLAN & 16 - printf("switch to gas %d (%d/%d) @ %5.2lfm\n", gaschanges[gi].gasidx, - (get_o2(&gas) + 5) / 10, (get_he(&gas) + 5) / 10, gaschanges[gi].depth / 1000.0); + printf("switch to gas %d (%d/%d) @ %5.2lfm\n", gaschanges[gi + 1].gasidx, + (get_o2(&gas) + 5) / 10, (get_he(&gas) + 5) / 10, gaschanges[gi + 1].depth / 1000.0); #endif /* Stop for the minimum duration to switch gas */ tissue_tolerance = add_segment(depth_to_mbar(depth, &displayed_dive) / 1000.0, &displayed_dive.cylinder[current_cylinder].gasmix, prefs.min_switch_duration, po2, &displayed_dive, prefs.decosac); clock += prefs.min_switch_duration; - } else { - pendinggaschange = true; + pendinggaschange = false; } - gi--; - } - } - --stopidx; - - /* Save the current state and try to ascend to the next stopdepth */ - while (1) { - /* Check if ascending to next stop is clear, go back and wait if we hit the ceiling on the way */ - if (trial_ascent(depth, stoplevels[stopidx], avg_depth, bottom_time, tissue_tolerance, - &displayed_dive.cylinder[current_cylinder].gasmix, po2, diveplan->surface_pressure / 1000.0)) - break; /* We did not hit the ceiling */ - - /* Add a minute of deco time and then try again */ - decodive = true; - if (!stopping) { - /* The last segment was an ascend segment. - * Add a waypoint for start of this deco stop */ - plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); - previous_point_time = clock; - stopping = true; - } + /* Deco stop should end when runtime is at a whole minute */ + int this_decotimestep; + this_decotimestep = DECOTIMESTEP - clock % DECOTIMESTEP; - if (pendinggaschange) { - current_cylinder = gaschanges[gi + 1].gasidx; - gas = displayed_dive.cylinder[current_cylinder].gasmix; -#if DEBUG_PLAN & 16 - printf("switch to gas %d (%d/%d) @ %5.2lfm\n", gaschanges[gi + 1].gasidx, - (get_o2(&gas) + 5) / 10, (get_he(&gas) + 5) / 10, gaschanges[gi + 1].depth / 1000.0); -#endif - /* Stop for the minimum duration to switch gas */ tissue_tolerance = add_segment(depth_to_mbar(depth, &displayed_dive) / 1000.0, - &displayed_dive.cylinder[current_cylinder].gasmix, - prefs.min_switch_duration, po2, &displayed_dive, prefs.decosac); - clock += prefs.min_switch_duration; - pendinggaschange = false; - } - - /* Deco stop should end when runtime is at a whole minute */ - int this_decotimestep; - this_decotimestep = DECOTIMESTEP - clock % DECOTIMESTEP; - - tissue_tolerance = add_segment(depth_to_mbar(depth, &displayed_dive) / 1000.0, - &displayed_dive.cylinder[current_cylinder].gasmix, - this_decotimestep, po2, &displayed_dive, prefs.decosac); - clock += this_decotimestep; - /* Finish infinite deco */ - if(clock >= 48 * 3600 && depth >= 6000) { - error = LONGDECO; - break; - } - if (prefs.doo2breaks) { - if (get_o2(&displayed_dive.cylinder[current_cylinder].gasmix) == 1000) { - o2time += DECOTIMESTEP; - if (o2time >= 12 * 60) { - breaktime = 0; - breakcylinder = current_cylinder; - plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); - previous_point_time = clock; - current_cylinder = 0; - gas = displayed_dive.cylinder[current_cylinder].gasmix; - } - } else { - if (breaktime >= 0) { - breaktime += DECOTIMESTEP; - if (breaktime >= 6 * 60) { - o2time = 0; - plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); + &displayed_dive.cylinder[current_cylinder].gasmix, + this_decotimestep, po2, &displayed_dive, prefs.decosac); + clock += this_decotimestep; + /* Finish infinite deco */ + if(clock >= 48 * 3600 && depth >= 6000) { + error = LONGDECO; + break; + } + if (prefs.doo2breaks) { + if (get_o2(&displayed_dive.cylinder[current_cylinder].gasmix) == 1000) { + o2time += DECOTIMESTEP; + if (o2time >= 12 * 60) { + breaktime = 0; + breakcylinder = current_cylinder; + if (is_final_plan) + plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); previous_point_time = clock; - current_cylinder = breakcylinder; + current_cylinder = 0; gas = displayed_dive.cylinder[current_cylinder].gasmix; - breaktime = -1; + } + } else { + if (breaktime >= 0) { + breaktime += DECOTIMESTEP; + if (breaktime >= 6 * 60) { + o2time = 0; + if (is_final_plan) + plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); + previous_point_time = clock; + current_cylinder = breakcylinder; + gas = displayed_dive.cylinder[current_cylinder].gasmix; + breaktime = -1; + } } } } } + if (stopping) { + /* Next we will ascend again. Add a waypoint if we have spend deco time */ + if (is_final_plan) + plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); + previous_point_time = clock; + stopping = false; + } } - if (stopping) { - /* Next we will ascend again. Add a waypoint if we have spend deco time */ - plan_add_segment(diveplan, clock - previous_point_time, depth, gas, po2, false); - previous_point_time = clock; - stopping = false; - } - } - /* We made it to the surface - * Create the final dive, add the plan to the notes and fixup some internal - * data that we need to be there when plotting the dive */ + deco_time = clock - bottom_time; + } while (!is_final_plan); + plan_add_segment(diveplan, clock - previous_point_time, 0, gas, po2, false); create_dive_from_plan(diveplan, is_planner); add_plan_to_notes(diveplan, &displayed_dive, show_disclaimer, error); |