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/* planner.c
*
* code that allows us to plan future dives
*
* ( c ) Dirk Hohndel 2013
*/
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# include <assert.h>
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# include <unistd.h>
# include <ctype.h>
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# include <string.h>
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# include "dive.h"
# include "divelist.h"
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# include "planner.h"
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# include "gettext.h"
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# include "libdivecomputer/parser.h"
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# define TIMESTEP 2 /* second */
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# define DECOTIMESTEP 60 /* seconds. Unit of deco stop times */
Planner deco stops are at 10ft increments when measured in feet
When using feet as depth unit, deco stop levels should be at 10 ft rather
than 3 m increments.
For shallow stops, rounding means the difference is not apparent. However,
with stops deeper than 30 feet, using 3 m increments leads stops at 39ft,
49ft, ..., 98ft, etc.
Apart from making plans look messy, the old behaviour makes it harder to
benchmark the planner against published profiles in imperial units.
This revised patch uses the help macro M_OR_FT(6, 20) to set the last stop
at the correct depth.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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int decostoplevels_metric [ ] = { 0 , 3000 , 6000 , 9000 , 12000 , 15000 , 18000 , 21000 , 24000 , 27000 ,
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30000 , 33000 , 36000 , 39000 , 42000 , 45000 , 48000 , 51000 , 54000 , 57000 ,
60000 , 63000 , 66000 , 69000 , 72000 , 75000 , 78000 , 81000 , 84000 , 87000 ,
90000 , 100000 , 110000 , 120000 , 130000 , 140000 , 150000 , 160000 , 170000 ,
180000 , 190000 , 200000 , 220000 , 240000 , 260000 , 280000 , 300000 ,
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320000 , 340000 , 360000 , 380000 } ;
Planner deco stops are at 10ft increments when measured in feet
When using feet as depth unit, deco stop levels should be at 10 ft rather
than 3 m increments.
For shallow stops, rounding means the difference is not apparent. However,
with stops deeper than 30 feet, using 3 m increments leads stops at 39ft,
49ft, ..., 98ft, etc.
Apart from making plans look messy, the old behaviour makes it harder to
benchmark the planner against published profiles in imperial units.
This revised patch uses the help macro M_OR_FT(6, 20) to set the last stop
at the correct depth.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
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int decostoplevels_imperial [ ] = { 0 , 3048 , 6096 , 9144 , 12192 , 15240 , 18288 , 21336 , 24384 , 27432 ,
30480 , 33528 , 36576 , 39624 , 42672 , 45720 , 48768 , 51816 , 54864 , 57912 ,
60960 , 64008 , 67056 , 70104 , 73152 , 76200 , 79248 , 82296 , 85344 , 88392 ,
91440 , 101600 , 111760 , 121920 , 132080 , 142240 , 152400 , 162560 , 172720 ,
182880 , 193040 , 203200 , 223520 , 243840 , 264160 , 284480 , 304800 ,
325120 , 345440 , 365760 , 386080 } ;
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double plangflow , plangfhigh ;
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bool plan_verbatim , plan_display_runtime , plan_display_duration , plan_display_transitions ;
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pressure_t first_ceiling_pressure , max_bottom_ceiling_pressure = { } ;
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const char * disclaimer ;
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# if DEBUG_PLAN
void dump_plan ( struct diveplan * diveplan )
{
struct divedatapoint * dp ;
struct tm tm ;
if ( ! diveplan ) {
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printf ( " Diveplan NULL \n " ) ;
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return ;
}
utc_mkdate ( diveplan - > when , & tm ) ;
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printf ( " \n Diveplan @ %04d-%02d-%02d %02d:%02d:%02d (surfpres %dmbar): \n " ,
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tm . tm_year + 1900 , tm . tm_mon + 1 , tm . tm_mday ,
tm . tm_hour , tm . tm_min , tm . tm_sec ,
diveplan - > surface_pressure ) ;
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dp = diveplan - > dp ;
while ( dp ) {
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printf ( " \t %3u:%02u: %dmm gas: %d o2 %d h2 \n " , FRACTION ( dp - > time , 60 ) , dp - > depth , get_o2 ( & dp - > gasmix ) , get_he ( & dp - > gasmix ) ) ;
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dp = dp - > next ;
}
}
# endif
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bool diveplan_empty ( struct diveplan * diveplan )
{
struct divedatapoint * dp ;
if ( ! diveplan | | ! diveplan - > dp )
return true ;
dp = diveplan - > dp ;
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while ( dp ) {
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if ( dp - > time )
return false ;
dp = dp - > next ;
}
return true ;
}
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/* get the gas at a certain time during the dive */
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void get_gas_at_time ( struct dive * dive , struct divecomputer * dc , duration_t time , struct gasmix * gas )
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{
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// we always start with the first gas, so that's our gas
// unless an event tells us otherwise
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struct event * event = dc - > events ;
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* gas = dive - > cylinder [ 0 ] . gasmix ;
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while ( event & & event - > time . seconds < = time . seconds ) {
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if ( ! strcmp ( event - > name , " gaschange " ) ) {
int cylinder_idx = get_cylinder_index ( dive , event ) ;
* gas = dive - > cylinder [ cylinder_idx ] . gasmix ;
}
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event = event - > next ;
}
}
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int get_gasidx ( struct dive * dive , struct gasmix * mix )
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{
int gasidx = - 1 ;
while ( + + gasidx < MAX_CYLINDERS )
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if ( gasmix_distance ( & dive - > cylinder [ gasidx ] . gasmix , mix ) < 100 )
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return gasidx ;
return - 1 ;
}
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void interpolate_transition ( struct dive * dive , duration_t t0 , duration_t t1 , depth_t d0 , depth_t d1 , const struct gasmix * gasmix , o2pressure_t po2 )
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{
int j ;
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for ( j = t0 . seconds ; j < t1 . seconds ; j + + ) {
int depth = interpolate ( d0 . mm , d1 . mm , j - t0 . seconds , t1 . seconds - t0 . seconds ) ;
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add_segment ( depth_to_bar ( depth , dive ) , gasmix , 1 , po2 . mbar , dive , prefs . bottomsac ) ;
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}
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if ( d1 . mm > d0 . mm )
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calc_crushing_pressure ( depth_to_bar ( d1 . mm , & displayed_dive ) ) ;
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}
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/* returns the tissue tolerance at the end of this (partial) dive */
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void tissue_at_end ( struct dive * dive , char * * cached_datap )
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{
struct divecomputer * dc ;
struct sample * sample , * psample ;
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int i ;
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depth_t lastdepth = { } ;
duration_t t0 = { } , t1 = { } ;
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struct gasmix gas ;
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if ( ! dive )
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return ;
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if ( * cached_datap ) {
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restore_deco_state ( * cached_datap ) ;
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} else {
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init_decompression ( dive ) ;
cache_deco_state ( cached_datap ) ;
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}
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dc = & dive - > dc ;
if ( ! dc - > samples )
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return ;
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psample = sample = dc - > sample ;
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for ( i = 0 ; i < dc - > samples ; i + + , sample + + ) {
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t1 = sample - > time ;
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get_gas_at_time ( dive , dc , t0 , & gas ) ;
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if ( i > 0 )
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lastdepth = psample - > depth ;
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/* The ceiling in the deeper portion of a multilevel dive is sometimes critical for the VPM-B
* Boyle ' s law compensation . We should check the ceiling prior to ascending during the bottom
* portion of the dive . The maximum ceiling might be reached while ascending , but testing indicates
* that it is only marginally deeper than the ceiling at the start of ascent .
* Do not set the first_ceiling_pressure variable ( used for the Boyle ' s law compensation calculation )
* at this stage , because it would interfere with calculating the ceiling at the end of the bottom
* portion of the dive .
* Remember the value for later .
*/
if ( ( prefs . deco_mode = = VPMB ) & & ( lastdepth . mm > sample - > depth . mm ) ) {
pressure_t ceiling_pressure ;
nuclear_regeneration ( t0 . seconds ) ;
vpmb_start_gradient ( ) ;
ceiling_pressure . mbar = depth_to_mbar ( deco_allowed_depth ( tissue_tolerance_calc ( dive ,
depth_to_bar ( lastdepth . mm , dive ) ) ,
dive - > surface_pressure . mbar / 1000.0 ,
dive ,
1 ) ,
dive ) ;
if ( ceiling_pressure . mbar > max_bottom_ceiling_pressure . mbar )
max_bottom_ceiling_pressure . mbar = ceiling_pressure . mbar ;
}
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interpolate_transition ( dive , t0 , t1 , lastdepth , sample - > depth , & gas , sample - > setpoint ) ;
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psample = sample ;
t0 = t1 ;
}
}
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/* if a default cylinder is set, use that */
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void fill_default_cylinder ( cylinder_t * cyl )
{
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const char * cyl_name = prefs . default_cylinder ;
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struct tank_info_t * ti = tank_info ;
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pressure_t pO2 = { . mbar = 1600 } ;
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if ( ! cyl_name )
return ;
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while ( ti - > name ! = NULL ) {
if ( strcmp ( ti - > name , cyl_name ) = = 0 )
break ;
ti + + ;
}
if ( ti - > name = = NULL )
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/* didn't find it */
return ;
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cyl - > type . description = strdup ( ti - > name ) ;
if ( ti - > ml ) {
cyl - > type . size . mliter = ti - > ml ;
cyl - > type . workingpressure . mbar = ti - > bar * 1000 ;
} else {
cyl - > type . workingpressure . mbar = psi_to_mbar ( ti - > psi ) ;
if ( ti - > psi )
cyl - > type . size . mliter = cuft_to_l ( ti - > cuft ) * 1000 / bar_to_atm ( psi_to_bar ( ti - > psi ) ) ;
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}
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// MOD of air
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cyl - > depth = gas_mod ( & cyl - > gasmix , pO2 , & displayed_dive , 1 ) ;
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}
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/* make sure that the gas we are switching to is represented in our
* list of cylinders */
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static int verify_gas_exists ( struct gasmix mix_in )
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{
int i ;
cylinder_t * cyl ;
for ( i = 0 ; i < MAX_CYLINDERS ; i + + ) {
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cyl = displayed_dive . cylinder + i ;
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if ( cylinder_nodata ( cyl ) )
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continue ;
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if ( gasmix_distance ( & cyl - > gasmix , & mix_in ) < 100 )
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return i ;
}
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fprintf ( stderr , " this gas %s should have been on the cylinder list \n Things will fail now \n " , gasname ( & mix_in ) ) ;
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return - 1 ;
}
/* calculate the new end pressure of the cylinder, based on its current end pressure and the
* latest segment . */
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static void update_cylinder_pressure ( struct dive * d , int old_depth , int new_depth , int duration , int sac , cylinder_t * cyl , bool in_deco )
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{
volume_t gas_used ;
pressure_t delta_p ;
depth_t mean_depth ;
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int factor = 1000 ;
if ( d - > dc . divemode = = PSCR )
factor = prefs . pscr_ratio ;
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if ( ! cyl )
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return ;
mean_depth . mm = ( old_depth + new_depth ) / 2 ;
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gas_used . mliter = depth_to_atm ( mean_depth . mm , d ) * sac / 60 * duration * factor / 1000 ;
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cyl - > gas_used . mliter + = gas_used . mliter ;
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if ( in_deco )
cyl - > deco_gas_used . mliter + = gas_used . mliter ;
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if ( cyl - > type . size . mliter ) {
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delta_p . mbar = gas_used . mliter * 1000.0 / cyl - > type . size . mliter ;
cyl - > end . mbar - = delta_p . mbar ;
}
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}
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/* simply overwrite the data in the displayed_dive
* return false if something goes wrong */
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static void create_dive_from_plan ( struct diveplan * diveplan , bool track_gas )
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{
struct divedatapoint * dp ;
struct divecomputer * dc ;
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struct sample * sample ;
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struct gasmix oldgasmix ;
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struct event * ev ;
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cylinder_t * cyl ;
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int oldpo2 = 0 ;
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int lasttime = 0 ;
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int lastdepth = 0 ;
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enum dive_comp_type type = displayed_dive . dc . divemode ;
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if ( ! diveplan | | ! diveplan - > dp )
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return ;
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# if DEBUG_PLAN & 4
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printf ( " in create_dive_from_plan \n " ) ;
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dump_plan ( diveplan ) ;
# endif
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displayed_dive . salinity = diveplan - > salinity ;
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// reset the cylinders and clear out the samples and events of the
// displayed dive so we can restart
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reset_cylinders ( & displayed_dive , track_gas ) ;
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dc = & displayed_dive . dc ;
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dc - > when = displayed_dive . when = diveplan - > when ;
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free ( dc - > sample ) ;
dc - > sample = NULL ;
dc - > samples = 0 ;
dc - > alloc_samples = 0 ;
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while ( ( ev = dc - > events ) ) {
dc - > events = dc - > events - > next ;
free ( ev ) ;
}
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dp = diveplan - > dp ;
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cyl = & displayed_dive . cylinder [ 0 ] ;
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oldgasmix = cyl - > gasmix ;
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sample = prepare_sample ( dc ) ;
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sample - > setpoint . mbar = dp - > setpoint ;
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sample - > sac . mliter = prefs . bottomsac ;
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oldpo2 = dp - > setpoint ;
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if ( track_gas & & cyl - > type . workingpressure . mbar )
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sample - > cylinderpressure . mbar = cyl - > end . mbar ;
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sample - > manually_entered = true ;
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finish_sample ( dc ) ;
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while ( dp ) {
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struct gasmix gasmix = dp - > gasmix ;
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int po2 = dp - > setpoint ;
if ( dp - > setpoint )
type = CCR ;
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int time = dp - > time ;
int depth = dp - > depth ;
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if ( time = = 0 ) {
/* special entries that just inform the algorithm about
* additional gases that are available */
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if ( verify_gas_exists ( gasmix ) < 0 )
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goto gas_error_exit ;
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dp = dp - > next ;
continue ;
}
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/* Check for SetPoint change */
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if ( oldpo2 ! = po2 ) {
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/* this is a bad idea - we should get a different SAMPLE_EVENT type
* reserved for this in libdivecomputer . . . overloading SMAPLE_EVENT_PO2
* with a different meaning will only cause confusion elsewhere in the code */
add_event ( dc , lasttime , SAMPLE_EVENT_PO2 , 0 , po2 , " SP change " ) ;
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oldpo2 = po2 ;
}
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/* Make sure we have the new gas, and create a gas change event */
if ( gasmix_distance ( & gasmix , & oldgasmix ) > 0 ) {
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int idx ;
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if ( ( idx = verify_gas_exists ( gasmix ) ) < 0 )
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goto gas_error_exit ;
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/* need to insert a first sample for the new gas */
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add_gas_switch_event ( & displayed_dive , dc , lasttime + 1 , idx ) ;
cyl = & displayed_dive . cylinder [ idx ] ;
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sample = prepare_sample ( dc ) ;
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sample [ - 1 ] . setpoint . mbar = po2 ;
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sample - > time . seconds = lasttime + 1 ;
sample - > depth . mm = lastdepth ;
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sample - > manually_entered = dp - > entered ;
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sample - > sac . mliter = dp - > entered ? prefs . bottomsac : prefs . decosac ;
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if ( track_gas & & cyl - > type . workingpressure . mbar )
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sample - > cylinderpressure . mbar = cyl - > sample_end . mbar ;
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finish_sample ( dc ) ;
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oldgasmix = gasmix ;
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}
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/* Create sample */
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sample = prepare_sample ( dc ) ;
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/* set po2 at beginning of this segment */
/* and keep it valid for last sample - where it likely doesn't matter */
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sample [ - 1 ] . setpoint . mbar = po2 ;
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sample - > setpoint . mbar = po2 ;
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sample - > time . seconds = lasttime = time ;
sample - > depth . mm = lastdepth = depth ;
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sample - > manually_entered = dp - > entered ;
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sample - > sac . mliter = dp - > entered ? prefs . bottomsac : prefs . decosac ;
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if ( track_gas & & ! sample [ - 1 ] . setpoint . mbar ) { /* Don't track gas usage for CCR legs of dive */
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update_cylinder_pressure ( & displayed_dive , sample [ - 1 ] . depth . mm , depth , time - sample [ - 1 ] . time . seconds ,
dp - > entered ? diveplan - > bottomsac : diveplan - > decosac , cyl , ! dp - > entered ) ;
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if ( cyl - > type . workingpressure . mbar )
sample - > cylinderpressure . mbar = cyl - > end . mbar ;
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}
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finish_sample ( dc ) ;
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dp = dp - > next ;
}
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dc - > divemode = type ;
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# if DEBUG_PLAN & 32
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save_dive ( stdout , & displayed_dive ) ;
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# endif
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return ;
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gas_error_exit :
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report_error ( translate ( " gettextFromC " , " Too many gas mixes " ) ) ;
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return ;
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}
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void free_dps ( struct diveplan * diveplan )
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{
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if ( ! diveplan )
return ;
struct divedatapoint * dp = diveplan - > dp ;
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while ( dp ) {
struct divedatapoint * ndp = dp - > next ;
free ( dp ) ;
dp = ndp ;
}
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diveplan - > dp = NULL ;
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}
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struct divedatapoint * create_dp ( int time_incr , int depth , struct gasmix gasmix , int po2 )
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{
struct divedatapoint * dp ;
dp = malloc ( sizeof ( struct divedatapoint ) ) ;
dp - > time = time_incr ;
dp - > depth = depth ;
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dp - > gasmix = gasmix ;
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dp - > setpoint = po2 ;
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dp - > entered = false ;
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dp - > next = NULL ;
return dp ;
}
void add_to_end_of_diveplan ( struct diveplan * diveplan , struct divedatapoint * dp )
{
struct divedatapoint * * lastdp = & diveplan - > dp ;
struct divedatapoint * ldp = * lastdp ;
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int lasttime = 0 ;
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while ( * lastdp ) {
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ldp = * lastdp ;
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if ( ldp - > time > lasttime )
lasttime = ldp - > time ;
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lastdp = & ( * lastdp ) - > next ;
}
* lastdp = dp ;
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if ( ldp & & dp - > time ! = 0 )
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dp - > time + = lasttime ;
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}
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struct divedatapoint * plan_add_segment ( struct diveplan * diveplan , int duration , int depth , struct gasmix gasmix , int po2 , bool entered )
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{
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struct divedatapoint * dp = create_dp ( duration , depth , gasmix , po2 ) ;
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dp - > entered = entered ;
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add_to_end_of_diveplan ( diveplan , dp ) ;
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return ( dp ) ;
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}
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struct gaschanges {
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int depth ;
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int gasidx ;
} ;
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static struct gaschanges * analyze_gaslist ( struct diveplan * diveplan , int * gaschangenr , int depth , int * asc_cylinder )
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{
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struct gasmix gas ;
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int nr = 0 ;
struct gaschanges * gaschanges = NULL ;
struct divedatapoint * dp = diveplan - > dp ;
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int best_depth = displayed_dive . cylinder [ * asc_cylinder ] . depth . mm ;
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while ( dp ) {
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if ( dp - > time = = 0 ) {
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gas = dp - > gasmix ;
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if ( dp - > depth < = depth ) {
int i = 0 ;
nr + + ;
gaschanges = realloc ( gaschanges , nr * sizeof ( struct gaschanges ) ) ;
while ( i < nr - 1 ) {
if ( dp - > depth < gaschanges [ i ] . depth ) {
memmove ( gaschanges + i + 1 , gaschanges + i , ( nr - i - 1 ) * sizeof ( struct gaschanges ) ) ;
break ;
}
i + + ;
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}
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gaschanges [ i ] . depth = dp - > depth ;
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gaschanges [ i ] . gasidx = get_gasidx ( & displayed_dive , & gas ) ;
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assert ( gaschanges [ i ] . gasidx ! = - 1 ) ;
} else {
/* is there a better mix to start deco? */
if ( dp - > depth < best_depth ) {
best_depth = dp - > depth ;
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* asc_cylinder = get_gasidx ( & displayed_dive , & gas ) ;
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}
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}
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}
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dp = dp - > next ;
}
* gaschangenr = nr ;
# if DEBUG_PLAN & 16
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for ( nr = 0 ; nr < * gaschangenr ; nr + + ) {
int idx = gaschanges [ nr ] . gasidx ;
printf ( " gaschange nr %d: @ %5.2lfm gasidx %d (%s) \n " , nr , gaschanges [ nr ] . depth / 1000.0 ,
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idx , gasname ( & displayed_dive . cylinder [ idx ] . gasmix ) ) ;
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}
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# endif
return gaschanges ;
}
/* sort all the stops into one ordered list */
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static unsigned int * sort_stops ( int * dstops , int dnr , struct gaschanges * gstops , int gnr )
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{
int i , gi , di ;
int total = dnr + gnr ;
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unsigned int * stoplevels = malloc ( total * sizeof ( int ) ) ;
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/* no gaschanges */
if ( gnr = = 0 ) {
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memcpy ( stoplevels , dstops , dnr * sizeof ( int ) ) ;
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return stoplevels ;
}
i = total - 1 ;
gi = gnr - 1 ;
di = dnr - 1 ;
while ( i > = 0 ) {
if ( dstops [ di ] > gstops [ gi ] . depth ) {
stoplevels [ i ] = dstops [ di ] ;
di - - ;
} else if ( dstops [ di ] = = gstops [ gi ] . depth ) {
stoplevels [ i ] = dstops [ di ] ;
di - - ;
gi - - ;
} else {
stoplevels [ i ] = gstops [ gi ] . depth ;
gi - - ;
}
i - - ;
if ( di < 0 ) {
while ( gi > = 0 )
stoplevels [ i - - ] = gstops [ gi - - ] . depth ;
break ;
}
if ( gi < 0 ) {
while ( di > = 0 )
stoplevels [ i - - ] = dstops [ di - - ] ;
break ;
}
}
while ( i > = 0 )
stoplevels [ i - - ] = 0 ;
# if DEBUG_PLAN & 16
int k ;
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for ( k = gnr + dnr - 1 ; k > = 0 ; k - - ) {
printf ( " stoplevel[%d]: %5.2lfm \n " , k , stoplevels [ k ] / 1000.0 ) ;
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if ( stoplevels [ k ] = = 0 )
break ;
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}
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# endif
return stoplevels ;
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}
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static void add_plan_to_notes ( struct diveplan * diveplan , struct dive * dive , bool show_disclaimer , int error )
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{
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const unsigned int sz_buffer = 2000000 ;
const unsigned int sz_temp = 100000 ;
char * buffer = ( char * ) malloc ( sz_buffer ) ;
char * temp = ( char * ) malloc ( sz_temp ) ;
char buf [ 1000 ] , * deco ;
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int len , lastdepth = 0 , lasttime = 0 , lastsetpoint = - 1 , newdepth = 0 , lastprintdepth = 0 , lastprintsetpoint = - 1 ;
struct gasmix lastprintgasmix = { - 1 , - 1 } ;
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struct divedatapoint * dp = diveplan - > dp ;
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bool gaschange_after = ! plan_verbatim ;
bool gaschange_before ;
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bool lastentered ;
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struct divedatapoint * nextdp = NULL ;
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plan_verbatim = prefs . verbatim_plan ;
plan_display_runtime = prefs . display_runtime ;
plan_display_duration = prefs . display_duration ;
plan_display_transitions = prefs . display_transitions ;
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if ( prefs . deco_mode = = VPMB ) {
deco = " VPM-B " ;
} else {
deco = " BUHLMANN " ;
}
snprintf ( buf , sizeof ( buf ) , translate ( " gettextFromC " , " DISCLAIMER / WARNING: THIS IS A NEW IMPLEMENTATION OF THE %s "
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" ALGORITHM AND A DIVE PLANNER IMPLEMENTATION BASED ON THAT WHICH HAS "
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" RECEIVED ONLY A LIMITED AMOUNT OF TESTING. WE STRONGLY RECOMMEND NOT TO "
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" PLAN DIVES SIMPLY BASED ON THE RESULTS GIVEN HERE. " ) , deco ) ;
disclaimer = buf ;
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if ( ! dp ) {
free ( ( void * ) buffer ) ;
free ( ( void * ) temp ) ;
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return ;
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}
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if ( error ) {
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snprintf ( temp , sz_temp , " %s " ,
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translate ( " gettextFromC " , " Decompression calculation aborted due to excessive time " ) ) ;
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snprintf ( buffer , sz_buffer , " <span style='color: red;'>%s </span> %s<br> " ,
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translate ( " gettextFromC " , " Warning: " ) , temp ) ;
dive - > notes = strdup ( buffer ) ;
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free ( ( void * ) buffer ) ;
free ( ( void * ) temp ) ;
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return ;
}
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len = show_disclaimer ? snprintf ( buffer , sz_buffer , " <div><b>%s<b></div><br> " , disclaimer ) : 0 ;
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if ( prefs . deco_mode = = BUEHLMANN ) {
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " based on Buhlmann ZHL-16B with GFlow = %d and GFhigh = %d " ) ,
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diveplan - > gflow , diveplan - > gfhigh ) ;
} else if ( prefs . deco_mode = = VPMB ) {
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if ( prefs . conservatism_level = = 0 )
snprintf ( temp , sz_temp , " %s " , translate ( " gettextFromC " , " based on VPM-B at nominal conservatism " ) ) ;
else
snprintf ( temp , sz_temp , translate ( " gettextFromC " , " based on VPM-B at +%d conservatism " ) , prefs . conservatism_level ) ;
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} else if ( prefs . deco_mode = = RECREATIONAL ) {
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " recreational mode based on Buhlmann ZHL-16B with GFlow = %d and GFhigh = %d " ) ,
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diveplan - > gflow , diveplan - > gfhigh ) ;
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}
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len + = snprintf ( buffer + len , sz_buffer - len , " <div><b>%s</b><br>%s</div><br> " ,
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translate ( " gettextFromC " , " Subsurface dive plan " ) , temp ) ;
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if ( ! plan_verbatim ) {
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len + = snprintf ( buffer + len , sz_buffer - len , " <div><table><thead><tr><th>%s</th> " ,
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translate ( " gettextFromC " , " depth " ) ) ;
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if ( plan_display_duration )
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len + = snprintf ( buffer + len , sz_buffer - len , " <th style='padding-left: 10px;'>%s</th> " ,
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translate ( " gettextFromC " , " duration " ) ) ;
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if ( plan_display_runtime )
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len + = snprintf ( buffer + len , sz_buffer - len , " <th style='padding-left: 10px;'>%s</th> " ,
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translate ( " gettextFromC " , " runtime " ) ) ;
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len + = snprintf ( buffer + len , sz_buffer - len ,
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" <th style='padding-left: 10px; float: left;'>%s</th></tr></thead><tbody style='float: left;'> " ,
translate ( " gettextFromC " , " gas " ) ) ;
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}
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do {
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struct gasmix gasmix , newgasmix = { } ;
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const char * depth_unit ;
double depthvalue ;
int decimals ;
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bool isascent = ( dp - > depth < lastdepth ) ;
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nextdp = dp - > next ;
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if ( dp - > time = = 0 )
continue ;
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gasmix = dp - > gasmix ;
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depthvalue = get_depth_units ( dp - > depth , & decimals , & depth_unit ) ;
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/* analyze the dive points ahead */
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while ( nextdp & & nextdp - > time = = 0 )
nextdp = nextdp - > next ;
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if ( nextdp )
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newgasmix = nextdp - > gasmix ;
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gaschange_after = ( nextdp & & ( gasmix_distance ( & gasmix , & newgasmix ) | | dp - > setpoint ! = nextdp - > setpoint ) ) ;
gaschange_before = ( gasmix_distance ( & lastprintgasmix , & gasmix ) | | lastprintsetpoint ! = dp - > setpoint ) ;
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/* do we want to skip this leg as it is devoid of anything useful? */
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if ( ! dp - > entered & &
nextdp & &
dp - > depth ! = lastdepth & &
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nextdp - > depth ! = dp - > depth & &
! gaschange_before & &
! gaschange_after )
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continue ;
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if ( dp - > time - lasttime < 10 & & ! ( gaschange_after & & dp - > next & & dp - > depth ! = dp - > next - > depth ) )
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continue ;
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len = strlen ( buffer ) ;
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if ( plan_verbatim ) {
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/* When displaying a verbatim plan, we output a waypoint for every gas change.
* Therefore , we do not need to test for difficult cases that mean we need to
* print a segment just so we don ' t miss a gas change . This makes the logic
* to determine whether or not to print a segment much simpler than with the
* non - verbatim plan .
*/
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if ( dp - > depth ! = lastprintdepth ) {
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if ( plan_display_transitions | | dp - > entered | | ! dp - > next | | ( gaschange_after & & dp - > next & & dp - > depth ! = nextdp - > depth ) ) {
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if ( dp - > setpoint )
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s (SP = %.1fbar) " ) ,
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decimals , depthvalue , depth_unit ,
FRACTION ( dp - > time - lasttime , 60 ) ,
FRACTION ( dp - > time , 60 ) ,
gasname ( & gasmix ) ,
( double ) dp - > setpoint / 1000.0 ) ;
else
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " Transition to %.*f %s in %d:%02d min - runtime %d:%02u on %s " ) ,
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decimals , depthvalue , depth_unit ,
FRACTION ( dp - > time - lasttime , 60 ) ,
FRACTION ( dp - > time , 60 ) ,
gasname ( & gasmix ) ) ;
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len + = snprintf ( buffer + len , sz_buffer - len , " %s<br> " , temp ) ;
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}
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newdepth = dp - > depth ;
lasttime = dp - > time ;
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} else {
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if ( ( nextdp & & dp - > depth ! = nextdp - > depth ) | | gaschange_after ) {
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if ( dp - > setpoint )
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s (SP = %.1fbar) " ) ,
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decimals , depthvalue , depth_unit ,
FRACTION ( dp - > time - lasttime , 60 ) ,
FRACTION ( dp - > time , 60 ) ,
gasname ( & gasmix ) ,
( double ) dp - > setpoint / 1000.0 ) ;
else
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " Stay at %.*f %s for %d:%02d min - runtime %d:%02u on %s " ) ,
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decimals , depthvalue , depth_unit ,
FRACTION ( dp - > time - lasttime , 60 ) ,
FRACTION ( dp - > time , 60 ) ,
gasname ( & gasmix ) ) ;
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len + = snprintf ( buffer + len , sz_buffer - len , " %s<br> " , temp ) ;
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newdepth = dp - > depth ;
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lasttime = dp - > time ;
}
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}
} else {
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/* When not displaying the verbatim dive plan, we typically ignore ascents between deco stops,
* unless the display transitions option has been selected . We output a segment if any of the
* following conditions are met .
* 1 ) Display transitions is selected
* 2 ) The segment was manually entered
* 3 ) It is the last segment of the dive
* 4 ) The segment is not an ascent , there was a gas change at the start of the segment and the next segment
* is a change in depth ( typical deco stop )
* 5 ) There is a gas change at the end of the segment and the last segment was entered ( first calculated
* segment if it ends in a gas change )
* 6 ) There is a gaschange after but no ascent . This should only occur when backgas breaks option is selected
* 7 ) It is an ascent ending with a gas change , but is not followed by a stop . As case 5 already matches
* the first calculated ascent if it ends with a gas change , this should only occur if a travel gas is
* used for a calculated ascent , there is a subsequent gas change before the first deco stop , and zero
* time has been allowed for a gas switch .
*/
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if ( plan_display_transitions | | dp - > entered | | ! dp - > next | |
( nextdp & & dp - > depth ! = nextdp - > depth ) | |
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( ! isascent & & gaschange_before & & nextdp & & dp - > depth ! = nextdp - > depth ) | |
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( gaschange_after & & lastentered ) | | ( gaschange_after & & ! isascent ) | |
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( isascent & & gaschange_after & & nextdp & & dp - > depth ! = nextdp - > depth ) ) {
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " %3.0f%s " ) , depthvalue , depth_unit ) ;
len + = snprintf ( buffer + len , sz_buffer - len , " <tr><td style='padding-left: 10px; float: right;'>%s</td> " , temp ) ;
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if ( plan_display_duration ) {
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " %3dmin " ) , ( dp - > time - lasttime + 30 ) / 60 ) ;
len + = snprintf ( buffer + len , sz_buffer - len , " <td style='padding-left: 10px; float: right;'>%s</td> " , temp ) ;
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}
if ( plan_display_runtime ) {
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " %3dmin " ) , ( dp - > time + 30 ) / 60 ) ;
len + = snprintf ( buffer + len , sz_buffer - len , " <td style='padding-left: 10px; float: right;'>%s</td> " , temp ) ;
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}
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/* Normally a gas change is displayed on the stopping segment, so only display a gas change at the end of
* an ascent segment if it is not followed by a stop
*/
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if ( isascent & & gaschange_after & & dp - > next & & nextdp & & dp - > depth ! = nextdp - > depth ) {
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if ( dp - > setpoint ) {
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snprintf ( temp , sz_temp , translate ( " gettextFromC " , " (SP = %.1fbar) " ) , ( double ) nextdp - > setpoint / 1000.0 ) ;
len + = snprintf ( buffer + len , sz_buffer - len , " <td style='padding-left: 10px; color: red; float: left;'><b>%s %s</b></td> " , gasname ( & newgasmix ) ,
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temp ) ;
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} else {
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len + = snprintf ( buffer + len , sz_buffer - len , " <td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td> " , gasname ( & newgasmix ) ) ;
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}
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lastprintsetpoint = nextdp - > setpoint ;
lastprintgasmix = newgasmix ;
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gaschange_after = false ;
} else if ( gaschange_before ) {
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// If a new gas has been used for this segment, now is the time to show it
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if ( dp - > setpoint ) {
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp , translate ( " gettextFromC " , " (SP = %.1fbar) " ) , ( double ) dp - > setpoint / 1000.0 ) ;
len + = snprintf ( buffer + len , sz_buffer - len , " <td style='padding-left: 10px; color: red; float: left;'><b>%s %s</b></td> " , gasname ( & gasmix ) ,
2015-06-20 05:04:05 +00:00
temp ) ;
} else {
2015-08-06 22:31:13 +00:00
len + = snprintf ( buffer + len , sz_buffer - len , " <td style='padding-left: 10px; color: red; float: left;'><b>%s</b></td> " , gasname ( & gasmix ) ) ;
2015-06-20 05:04:05 +00:00
}
2015-07-27 12:06:02 +00:00
// Set variables so subsequent iterations can test against the last gas printed
2015-06-20 05:04:05 +00:00
lastprintsetpoint = dp - > setpoint ;
lastprintgasmix = gasmix ;
2015-06-22 21:07:43 +00:00
gaschange_after = false ;
2014-06-03 09:38:24 +00:00
} else {
2015-08-06 22:31:13 +00:00
len + = snprintf ( buffer + len , sz_buffer - len , " <td> </td> " ) ;
2014-06-02 14:25:58 +00:00
}
2015-08-06 22:31:13 +00:00
len + = snprintf ( buffer + len , sz_buffer - len , " </tr> " ) ;
2014-11-21 13:53:51 +00:00
newdepth = dp - > depth ;
2014-06-04 21:54:33 +00:00
lasttime = dp - > time ;
2014-06-02 14:25:58 +00:00
}
}
2015-06-22 21:07:43 +00:00
if ( gaschange_after ) {
2014-06-01 14:55:07 +00:00
// gas switch at this waypoint
2014-06-03 09:38:24 +00:00
if ( plan_verbatim ) {
2014-11-21 11:11:17 +00:00
if ( lastsetpoint > = 0 ) {
2014-11-21 13:53:51 +00:00
if ( nextdp & & nextdp - > setpoint )
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp , translate ( " gettextFromC " , " Switch gas to %s (SP = %.1fbar) " ) , gasname ( & newgasmix ) , ( double ) nextdp - > setpoint / 1000.0 ) ;
2014-11-21 11:11:17 +00:00
else
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp , translate ( " gettextFromC " , " Switch gas to %s " ) , gasname ( & newgasmix ) ) ;
2014-11-21 11:11:17 +00:00
2015-08-06 22:31:13 +00:00
len + = snprintf ( buffer + len , sz_buffer - len , " %s<br> " , temp ) ;
2014-11-21 11:11:17 +00:00
}
2015-06-22 21:07:43 +00:00
gaschange_after = false ;
2014-06-02 00:34:40 +00:00
gasmix = newgasmix ;
2014-11-21 13:53:51 +00:00
}
2013-01-16 01:17:24 +00:00
}
2014-12-05 14:13:05 +00:00
lastprintdepth = newdepth ;
lastdepth = dp - > depth ;
2014-11-21 11:11:17 +00:00
lastsetpoint = dp - > setpoint ;
2015-07-26 07:45:47 +00:00
lastentered = dp - > entered ;
2014-06-04 22:15:11 +00:00
} while ( ( dp = nextdp ) ! = NULL ) ;
2015-08-06 22:31:13 +00:00
len + = snprintf ( buffer + len , sz_buffer - len , " </tbody></table></div> " ) ;
2014-07-15 06:03:10 +00:00
dive - > cns = 0 ;
dive - > maxcns = 0 ;
update_cylinder_related_info ( dive ) ;
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp , " %s " , translate ( " gettextFromC " , " CNS " ) ) ;
len + = snprintf ( buffer + len , sz_buffer - len , " <div><br>%s: %i%% " , temp , dive - > cns ) ;
snprintf ( temp , sz_temp , " %s " , translate ( " gettextFromC " , " OTU " ) ) ;
len + = snprintf ( buffer + len , sz_buffer - len , " <br>%s: %i</div> " , temp , dive - > otu ) ;
2014-06-22 17:28:08 +00:00
2015-01-10 23:01:15 +00:00
if ( dive - > dc . divemode = = CCR )
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp , " %s " , translate ( " gettextFromC " , " Gas consumption (CCR legs excluded): " ) ) ;
2014-10-24 13:40:59 +00:00
else
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp , " %s " , translate ( " gettextFromC " , " Gas consumption: " ) ) ;
len + = snprintf ( buffer + len , sz_buffer - len , " <div><br>%s<br> " , temp ) ;
2014-07-10 20:11:46 +00:00
for ( int gasidx = 0 ; gasidx < MAX_CYLINDERS ; gasidx + + ) {
2014-07-06 19:43:53 +00:00
double volume , pressure , deco_volume , deco_pressure ;
2014-07-01 07:37:49 +00:00
const char * unit , * pressure_unit ;
2014-06-22 17:28:08 +00:00
char warning [ 1000 ] = " " ;
2014-05-29 21:36:14 +00:00
cylinder_t * cyl = & dive - > cylinder [ gasidx ] ;
if ( cylinder_none ( cyl ) )
break ;
2014-06-22 17:28:08 +00:00
2014-06-01 16:59:38 +00:00
volume = get_volume_units ( cyl - > gas_used . mliter , NULL , & unit ) ;
2014-07-01 07:37:49 +00:00
deco_volume = get_volume_units ( cyl - > deco_gas_used . mliter , NULL , & unit ) ;
2014-06-01 16:59:38 +00:00
if ( cyl - > type . size . mliter ) {
2014-07-01 07:37:49 +00:00
deco_pressure = get_pressure_units ( 1000.0 * cyl - > deco_gas_used . mliter / cyl - > type . size . mliter , & pressure_unit ) ;
2014-07-06 19:43:53 +00:00
pressure = get_pressure_units ( 1000.0 * cyl - > gas_used . mliter / cyl - > type . size . mliter , & pressure_unit ) ;
2014-06-01 14:55:07 +00:00
/* Warn if the plan uses more gas than is available in a cylinder
* This only works if we have working pressure for the cylinder
* 10 bar is a made up number - but it seemed silly to pretend you could breathe cylinder down to 0 */
if ( cyl - > end . mbar < 10000 )
2014-06-22 17:28:08 +00:00
snprintf ( warning , sizeof ( warning ) , " — <span style='color: red;'>%s </span> %s " ,
translate ( " gettextFromC " , " Warning: " ) ,
translate ( " gettextFromC " , " this is more gas than available in the specified cylinder! " ) ) ;
2014-07-06 19:43:53 +00:00
else
if ( ( float ) cyl - > end . mbar * cyl - > type . size . mliter / 1000.0 < ( float ) cyl - > deco_gas_used . mliter )
snprintf ( warning , sizeof ( warning ) , " — <span style='color: red;'>%s </span> %s " ,
translate ( " gettextFromC " , " Warning: " ) ,
translate ( " gettextFromC " , " not enough reserve for gas sharing on ascent! " ) ) ;
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp , translate ( " gettextFromC " , " %.0f%s/%.0f%s of %s (%.0f%s/%.0f%s in planned ascent) " ) , volume , unit , pressure , pressure_unit , gasname ( & cyl - > gasmix ) , deco_volume , unit , deco_pressure , pressure_unit ) ;
2014-07-01 07:37:49 +00:00
} else {
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp , translate ( " gettextFromC " , " %.0f%s (%.0f%s during planned ascent) of %s " ) , volume , unit , deco_volume , unit , gasname ( & cyl - > gasmix ) ) ;
2014-06-01 14:55:07 +00:00
}
2015-08-06 22:31:13 +00:00
len + = snprintf ( buffer + len , sz_buffer - len , " %s%s<br> " , temp , warning ) ;
2013-01-16 01:24:17 +00:00
}
2014-06-02 19:29:40 +00:00
dp = diveplan - > dp ;
2015-01-15 22:22:12 +00:00
if ( dive - > dc . divemode ! = CCR ) {
while ( dp ) {
if ( dp - > time ! = 0 ) {
struct gas_pressures pressures ;
fill_pressures ( & pressures , depth_to_atm ( dp - > depth , dive ) , & dp - > gasmix , 0.0 , dive - > dc . divemode ) ;
if ( pressures . o2 > ( dp - > entered ? prefs . bottompo2 : prefs . decopo2 ) / 1000.0 ) {
const char * depth_unit ;
int decimals ;
double depth_value = get_depth_units ( dp - > depth , & decimals , & depth_unit ) ;
len = strlen ( buffer ) ;
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp ,
2015-01-15 22:22:12 +00:00
translate ( " gettextFromC " , " high pO₂ value %.2f at %d:%02u with gas %s at depth %.*f %s " ) ,
pressures . o2 , FRACTION ( dp - > time , 60 ) , gasname ( & dp - > gasmix ) , decimals , depth_value , depth_unit ) ;
2015-08-06 22:31:13 +00:00
len + = snprintf ( buffer + len , sz_buffer - len , " <span style='color: red;'>%s </span> %s<br> " ,
2015-01-15 22:22:12 +00:00
translate ( " gettextFromC " , " Warning: " ) , temp ) ;
} else if ( pressures . o2 < 0.16 ) {
const char * depth_unit ;
int decimals ;
double depth_value = get_depth_units ( dp - > depth , & decimals , & depth_unit ) ;
len = strlen ( buffer ) ;
2015-08-06 22:31:13 +00:00
snprintf ( temp , sz_temp ,
2015-01-15 22:22:12 +00:00
translate ( " gettextFromC " , " low pO₂ value %.2f at %d:%02u with gas %s at depth %.*f %s " ) ,
pressures . o2 , FRACTION ( dp - > time , 60 ) , gasname ( & dp - > gasmix ) , decimals , depth_value , depth_unit ) ;
2015-08-06 22:31:13 +00:00
len + = snprintf ( buffer + len , sz_buffer - len , " <span style='color: red;'>%s </span> %s<br> " ,
2015-01-15 22:22:12 +00:00
translate ( " gettextFromC " , " Warning: " ) , temp ) ;
}
2014-06-02 19:29:40 +00:00
}
2015-01-15 22:22:12 +00:00
dp = dp - > next ;
2014-06-02 19:29:40 +00:00
}
}
2015-08-06 22:31:13 +00:00
snprintf ( buffer + len , sz_buffer - len , " </div> " ) ;
2013-01-16 01:17:24 +00:00
dive - > notes = strdup ( buffer ) ;
2015-08-06 22:31:13 +00:00
free ( ( void * ) buffer ) ;
free ( ( void * ) temp ) ;
2013-01-16 01:17:24 +00:00
}
2015-04-04 16:41:09 +00:00
int ascent_velocity ( int depth , int avg_depth , int bottom_time )
2014-04-17 08:54:55 +00:00
{
/* We need to make this configurable */
2014-04-26 15:29:40 +00:00
/* As an example (and possibly reasonable default) this is the Tech 1 provedure according
* to http : //www.globalunderwaterexplorers.org/files/Standards_and_Procedures/SOP_Manual_Ver2.0.2.pdf */
2014-06-24 22:08:36 +00:00
if ( depth * 4 > avg_depth * 3 ) {
return prefs . ascrate75 ;
} else {
if ( depth * 2 > avg_depth ) {
return prefs . ascrate50 ;
} else {
if ( depth > 6000 )
return prefs . ascratestops ;
else
return prefs . ascratelast6m ;
}
}
2014-04-17 08:54:55 +00:00
}
2015-04-08 17:18:54 +00:00
void track_ascent_gas ( int depth , cylinder_t * cylinder , int avg_depth , int bottom_time , bool safety_stop )
2015-04-04 16:38:56 +00:00
{
while ( depth > 0 ) {
2015-04-04 16:41:09 +00:00
int deltad = ascent_velocity ( depth , avg_depth , bottom_time ) * TIMESTEP ;
2015-04-04 16:38:56 +00:00
if ( deltad > depth )
deltad = depth ;
2015-04-09 18:26:56 +00:00
update_cylinder_pressure ( & displayed_dive , depth , depth - deltad , TIMESTEP , prefs . decosac , cylinder , true ) ;
2015-05-21 17:55:28 +00:00
if ( depth < = 5000 & & depth > = ( 5000 - deltad ) & & safety_stop ) {
2015-04-09 18:26:56 +00:00
update_cylinder_pressure ( & displayed_dive , 5000 , 5000 , 180 , prefs . decosac , cylinder , true ) ;
2015-04-08 17:18:54 +00:00
safety_stop = false ;
}
2015-04-04 16:38:56 +00:00
depth - = deltad ;
}
}
2015-07-27 12:06:02 +00:00
// Determine whether ascending to the next stop will break the ceiling. Return true if the ascent is ok, false if it isn't.
2015-08-31 21:25:28 +00:00
bool trial_ascent ( int trial_depth , int stoplevel , int avg_depth , int bottom_time , struct gasmix * gasmix , int po2 , double surface_pressure )
2015-03-31 12:52:37 +00:00
{
bool clear_to_ascend = true ;
char * trial_cache = NULL ;
2015-08-29 14:07:22 +00:00
// For consistency with other VPM-B implementations, we should not start the ascent while the ceiling is
// deeper than the next stop (thus the offgasing during the ascent is ignored).
// However, we still need to make sure we don't break the ceiling due to on-gassing during ascent.
2015-08-31 21:25:28 +00:00
if ( prefs . deco_mode = = VPMB & & ( deco_allowed_depth ( tissue_tolerance_calc ( & displayed_dive ,
2015-08-31 21:39:43 +00:00
depth_to_bar ( stoplevel , & displayed_dive ) ) ,
2015-08-31 21:25:28 +00:00
surface_pressure , & displayed_dive , 1 ) > stoplevel ) )
2015-08-29 14:07:22 +00:00
return false ;
2015-08-18 07:07:50 +00:00
2015-08-31 21:25:28 +00:00
cache_deco_state ( & trial_cache ) ;
2015-03-31 12:52:37 +00:00
while ( trial_depth > stoplevel ) {
2015-04-04 16:41:09 +00:00
int deltad = ascent_velocity ( trial_depth , avg_depth , bottom_time ) * TIMESTEP ;
2015-03-31 12:52:37 +00:00
if ( deltad > trial_depth ) /* don't test against depth above surface */
deltad = trial_depth ;
2015-08-31 21:39:43 +00:00
add_segment ( depth_to_bar ( trial_depth , & displayed_dive ) ,
2015-08-31 21:25:28 +00:00
gasmix ,
TIMESTEP , po2 , & displayed_dive , prefs . decosac ) ;
2015-08-31 21:39:43 +00:00
if ( deco_allowed_depth ( tissue_tolerance_calc ( & displayed_dive , depth_to_bar ( trial_depth , & displayed_dive ) ) ,
2015-08-31 21:25:28 +00:00
surface_pressure , & displayed_dive , 1 ) > trial_depth - deltad ) {
2015-03-31 12:52:37 +00:00
/* We should have stopped */
clear_to_ascend = false ;
2015-07-03 21:24:20 +00:00
break ;
}
2015-03-31 12:52:37 +00:00
trial_depth - = deltad ;
}
restore_deco_state ( trial_cache ) ;
2015-06-22 03:24:07 +00:00
free ( trial_cache ) ;
2015-03-31 12:52:37 +00:00
return clear_to_ascend ;
}
2015-07-27 12:06:02 +00:00
/* Determine if there is enough gas for the dive. Return true if there is enough.
* Also return true if this cannot be calculated because the cylinder doesn ' t have
* size or a starting pressure .
*/
2015-04-04 16:38:56 +00:00
bool enough_gas ( int current_cylinder )
{
cylinder_t * cyl ;
cyl = & displayed_dive . cylinder [ current_cylinder ] ;
if ( ! cyl - > start . mbar )
return true ;
if ( cyl - > type . size . mliter )
2015-04-09 15:41:41 +00:00
return ( float ) ( cyl - > end . mbar - prefs . reserve_gas ) * cyl - > type . size . mliter / 1000.0 > ( float ) cyl - > deco_gas_used . mliter ;
2015-04-04 16:38:56 +00:00
else
return true ;
}
2015-05-09 19:55:59 +00:00
// Work out the stops. Return value is if there were any mandatory stops.
bool plan ( struct diveplan * diveplan , char * * cached_datap , bool is_planner , bool show_disclaimer )
2013-01-05 07:11:42 +00:00
{
2015-07-03 22:13:34 +00:00
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 ;
2013-01-05 07:11:42 +00:00
struct sample * sample ;
2014-06-02 00:45:00 +00:00
int po2 ;
2013-10-08 05:37:32 +00:00
int transitiontime , gi ;
2014-04-17 08:54:55 +00:00
int current_cylinder ;
unsigned int stopidx ;
2014-04-18 20:06:21 +00:00
int depth ;
2013-11-12 02:19:04 +00:00
struct gaschanges * gaschanges = NULL ;
2013-01-10 00:01:15 +00:00
int gaschangenr ;
2015-07-26 03:34:43 +00:00
int * decostoplevels ;
int decostoplevelcount ;
2015-05-28 12:59:08 +00:00
unsigned int * stoplevels = NULL ;
2014-04-17 08:54:55 +00:00
bool stopping = false ;
2015-06-22 12:43:20 +00:00
bool pendinggaschange = false ;
2014-04-17 08:54:55 +00:00
bool clear_to_ascend ;
int clock , previous_point_time ;
2015-04-02 08:49:24 +00:00
int avg_depth , max_depth , bottom_time = 0 ;
2014-04-26 19:06:48 +00:00
int last_ascend_rate ;
2014-05-30 15:09:05 +00:00
int best_first_ascend_cylinder ;
2015-07-03 22:13:34 +00:00
struct gasmix gas , bottom_gas ;
2014-07-02 20:07:38 +00:00
int o2time = 0 ;
int breaktime = - 1 ;
2014-08-06 17:51:53 +00:00
int breakcylinder = 0 ;
2014-08-05 10:58:23 +00:00
int error = 0 ;
2015-05-09 19:55:59 +00:00
bool decodive = false ;
2013-01-05 07:11:42 +00:00
2014-06-10 16:08:07 +00:00
set_gf ( diveplan - > gflow , diveplan - > gfhigh , prefs . gf_low_at_maxdepth ) ;
2013-01-05 07:11:42 +00:00
if ( ! diveplan - > surface_pressure )
2013-01-14 22:53:38 +00:00
diveplan - > surface_pressure = SURFACE_PRESSURE ;
2015-08-29 11:54:22 +00:00
displayed_dive . surface_pressure . mbar = diveplan - > surface_pressure ;
clear_deco ( displayed_dive . surface_pressure . mbar / 1000.0 ) ;
2014-07-04 18:26:31 +00:00
create_dive_from_plan ( diveplan , is_planner ) ;
2013-01-05 07:11:42 +00:00
2015-07-27 12:06:02 +00:00
// Do we want deco stop array in metres or feet?
Planner deco stops are at 10ft increments when measured in feet
When using feet as depth unit, deco stop levels should be at 10 ft rather
than 3 m increments.
For shallow stops, rounding means the difference is not apparent. However,
with stops deeper than 30 feet, using 3 m increments leads stops at 39ft,
49ft, ..., 98ft, etc.
Apart from making plans look messy, the old behaviour makes it harder to
benchmark the planner against published profiles in imperial units.
This revised patch uses the help macro M_OR_FT(6, 20) to set the last stop
at the correct depth.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-07-04 13:10:34 +00:00
if ( prefs . units . length = = METERS ) {
2015-07-26 03:34:43 +00:00
decostoplevels = decostoplevels_metric ;
decostoplevelcount = sizeof ( decostoplevels_metric ) / sizeof ( int ) ;
2015-07-04 12:14:10 +00:00
} else {
2015-07-26 03:34:43 +00:00
decostoplevels = decostoplevels_imperial ;
decostoplevelcount = sizeof ( decostoplevels_imperial ) / sizeof ( int ) ;
2015-07-04 12:14:10 +00:00
}
2015-04-05 12:17:26 +00:00
2015-07-27 12:06:02 +00:00
/* If the user has selected last stop to be at 6m/20', we need to get rid of the 3m/10' stop.
* Otherwise reinstate the last stop 3 m / 10 ' stop .
*/
Planner deco stops are at 10ft increments when measured in feet
When using feet as depth unit, deco stop levels should be at 10 ft rather
than 3 m increments.
For shallow stops, rounding means the difference is not apparent. However,
with stops deeper than 30 feet, using 3 m increments leads stops at 39ft,
49ft, ..., 98ft, etc.
Apart from making plans look messy, the old behaviour makes it harder to
benchmark the planner against published profiles in imperial units.
This revised patch uses the help macro M_OR_FT(6, 20) to set the last stop
at the correct depth.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-07-04 13:10:34 +00:00
if ( prefs . last_stop )
2015-07-26 03:34:43 +00:00
* ( decostoplevels + 1 ) = 0 ;
else
* ( decostoplevels + 1 ) = M_OR_FT ( 3 , 10 ) ;
Planner deco stops are at 10ft increments when measured in feet
When using feet as depth unit, deco stop levels should be at 10 ft rather
than 3 m increments.
For shallow stops, rounding means the difference is not apparent. However,
with stops deeper than 30 feet, using 3 m increments leads stops at 39ft,
49ft, ..., 98ft, etc.
Apart from making plans look messy, the old behaviour makes it harder to
benchmark the planner against published profiles in imperial units.
This revised patch uses the help macro M_OR_FT(6, 20) to set the last stop
at the correct depth.
Signed-off-by: Rick Walsh <rickmwalsh@gmail.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>
2015-07-04 13:10:34 +00:00
2014-04-18 14:08:33 +00:00
/* Let's start at the last 'sample', i.e. the last manually entered waypoint. */
2014-07-03 20:39:06 +00:00
sample = & displayed_dive . dc . sample [ displayed_dive . dc . samples - 1 ] ;
2014-07-17 19:16:50 +00:00
get_gas_at_time ( & displayed_dive , & displayed_dive . dc , sample - > time , & gas ) ;
2014-10-19 14:07:07 +00:00
po2 = sample - > setpoint . mbar ;
2014-07-03 20:39:06 +00:00
if ( ( current_cylinder = get_gasidx ( & displayed_dive , & gas ) ) = = - 1 ) {
2014-06-02 01:25:44 +00:00
report_error ( translate ( " gettextFromC " , " Can't find gas %s " ) , gasname ( & gas ) ) ;
2014-04-17 08:54:55 +00:00
current_cylinder = 0 ;
}
2014-07-03 20:39:06 +00:00
depth = displayed_dive . dc . sample [ displayed_dive . dc . samples - 1 ] . depth . mm ;
2015-04-02 08:49:24 +00:00
average_max_depth ( diveplan , & avg_depth , & max_depth ) ;
2015-04-04 16:41:09 +00:00
last_ascend_rate = ascent_velocity ( depth , avg_depth , bottom_time ) ;
2013-09-19 03:40:34 +00:00
2013-12-10 06:50:19 +00:00
/* if all we wanted was the dive just get us back to the surface */
2014-07-04 18:26:31 +00:00
if ( ! is_planner ) {
2013-12-10 06:50:19 +00:00
transitiontime = depth / 75 ; /* this still needs to be made configurable */
2014-06-01 22:25:19 +00:00
plan_add_segment ( diveplan , transitiontime , 0 , gas , po2 , false ) ;
2014-07-04 18:26:31 +00:00
create_dive_from_plan ( diveplan , is_planner ) ;
2015-05-09 19:55:59 +00:00
return ( false ) ;
2013-09-19 03:40:34 +00:00
}
2014-04-17 08:54:55 +00:00
2013-01-08 22:05:25 +00:00
# if DEBUG_PLAN & 4
2014-06-02 01:25:44 +00:00
printf ( " gas %s \n " , gasname ( & gas ) ) ;
2014-07-04 04:02:39 +00:00
printf ( " depth %5.2lfm \n " , depth / 1000.0 ) ;
2013-01-08 16:52:48 +00:00
# endif
2014-04-17 08:54:55 +00:00
2014-05-30 15:09:05 +00:00
best_first_ascend_cylinder = current_cylinder ;
2014-04-18 14:08:33 +00:00
/* Find the gases available for deco */
2014-11-21 10:10:19 +00:00
if ( po2 ) { // Don't change gas in CCR mode
gaschanges = NULL ;
gaschangenr = 0 ;
} else {
gaschanges = analyze_gaslist ( diveplan , & gaschangenr , depth , & best_first_ascend_cylinder ) ;
}
2014-04-18 14:08:33 +00:00
/* Find the first potential decostopdepth above current depth */
2015-07-26 03:34:43 +00:00
for ( stopidx = 0 ; stopidx < decostoplevelcount ; stopidx + + )
if ( * ( decostoplevels + stopidx ) > = depth )
2013-01-05 07:11:42 +00:00
break ;
2013-11-08 12:40:59 +00:00
if ( stopidx > 0 )
stopidx - - ;
2014-04-18 14:08:33 +00:00
/* Stoplevels are either depths of gas changes or potential deco stop depths. */
2013-01-10 00:01:15 +00:00
stoplevels = sort_stops ( decostoplevels , stopidx + 1 , gaschanges , gaschangenr ) ;
2014-04-17 08:54:55 +00:00
stopidx + = gaschangenr ;
2013-01-10 00:01:15 +00:00
2014-04-18 14:08:33 +00:00
/* Keep time during the ascend */
2014-07-03 20:39:06 +00:00
bottom_time = clock = previous_point_time = displayed_dive . dc . sample [ displayed_dive . dc . samples - 1 ] . time . seconds ;
2013-01-10 00:01:15 +00:00
gi = gaschangenr - 1 ;
2015-07-03 21:07:58 +00:00
2015-08-29 11:54:22 +00:00
/* Set tissue tolerance and initial vpmb gradient at start of ascent phase */
2015-08-31 21:25:28 +00:00
tissue_at_end ( & displayed_dive , cached_datap ) ;
2015-08-29 11:54:22 +00:00
nuclear_regeneration ( clock ) ;
vpmb_start_gradient ( ) ;
2015-07-03 21:07:58 +00:00
if ( prefs . deco_mode = = RECREATIONAL ) {
2015-04-02 08:49:24 +00:00
bool safety_stop = prefs . safetystop & & max_depth > = 10000 ;
2015-04-08 17:18:54 +00:00
track_ascent_gas ( depth , & displayed_dive . cylinder [ current_cylinder ] , avg_depth , bottom_time , safety_stop ) ;
2015-03-31 12:52:37 +00:00
// How long can we stay at the current depth and still directly ascent to the surface?
2015-08-31 21:25:28 +00:00
while ( trial_ascent ( depth , 0 , avg_depth , bottom_time , & displayed_dive . cylinder [ current_cylinder ] . gasmix ,
2015-04-04 16:38:56 +00:00
po2 , diveplan - > surface_pressure / 1000.0 ) & &
enough_gas ( current_cylinder ) ) {
2015-08-31 21:39:43 +00:00
add_segment ( depth_to_bar ( depth , & displayed_dive ) ,
2015-03-31 12:52:37 +00:00
& displayed_dive . cylinder [ current_cylinder ] . gasmix ,
DECOTIMESTEP , po2 , & displayed_dive , prefs . bottomsac ) ;
2015-04-04 16:38:56 +00:00
update_cylinder_pressure ( & displayed_dive , depth , depth , DECOTIMESTEP , prefs . bottomsac , & displayed_dive . cylinder [ current_cylinder ] , false ) ;
2015-03-31 12:52:37 +00:00
clock + = DECOTIMESTEP ;
}
clock - = DECOTIMESTEP ;
2015-04-04 16:38:56 +00:00
plan_add_segment ( diveplan , clock - previous_point_time , depth , gas , po2 , true ) ;
2015-03-31 12:52:37 +00:00
previous_point_time = clock ;
do {
/* Ascend to surface */
2015-04-04 16:41:09 +00:00
int deltad = ascent_velocity ( depth , avg_depth , bottom_time ) * TIMESTEP ;
if ( ascent_velocity ( depth , avg_depth , bottom_time ) ! = last_ascend_rate ) {
2015-03-31 12:52:37 +00:00
plan_add_segment ( diveplan , clock - previous_point_time , depth , gas , po2 , false ) ;
previous_point_time = clock ;
2015-04-04 16:41:09 +00:00
last_ascend_rate = ascent_velocity ( depth , avg_depth , bottom_time ) ;
2015-03-31 12:52:37 +00:00
}
if ( depth - deltad < 0 )
deltad = depth ;
2015-08-31 21:39:43 +00:00
add_segment ( depth_to_bar ( depth , & displayed_dive ) ,
2015-08-31 21:25:28 +00:00
& displayed_dive . cylinder [ current_cylinder ] . gasmix ,
TIMESTEP , po2 , & displayed_dive , prefs . decosac ) ;
2015-03-31 12:52:37 +00:00
clock + = TIMESTEP ;
depth - = deltad ;
2015-05-21 17:55:28 +00:00
if ( depth < = 5000 & & depth > = ( 5000 - deltad ) & & safety_stop ) {
2015-04-02 09:17:57 +00:00
plan_add_segment ( diveplan , clock - previous_point_time , 5000 , gas , po2 , false ) ;
previous_point_time = clock ;
clock + = 180 ;
plan_add_segment ( diveplan , clock - previous_point_time , 5000 , gas , po2 , false ) ;
previous_point_time = clock ;
safety_stop = false ;
}
2015-03-31 12:52:37 +00:00
} while ( depth > 0 ) ;
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 ) ;
fixup_dc_duration ( & displayed_dive . dc ) ;
free ( stoplevels ) ;
free ( gaschanges ) ;
2015-05-09 19:55:59 +00:00
return ( false ) ;
2015-03-31 12:52:37 +00:00
}
2014-04-17 08:54:55 +00:00
2014-05-30 15:09:05 +00:00
if ( best_first_ascend_cylinder ! = current_cylinder ) {
stopping = true ;
current_cylinder = best_first_ascend_cylinder ;
2014-07-03 20:39:06 +00:00
gas = displayed_dive . cylinder [ current_cylinder ] . gasmix ;
2014-10-19 14:07:07 +00:00
2014-05-30 15:09:05 +00:00
# if DEBUG_PLAN & 16
printf ( " switch to gas %d (%d/%d) @ %5.2lfm \n " , best_first_ascend_cylinder ,
2014-07-10 20:29:00 +00:00
( get_o2 ( & gas ) + 5 ) / 10 , ( get_he ( & gas ) + 5 ) / 10 , gaschanges [ best_first_ascend_cylinder ] . depth / 1000.0 ) ;
2014-05-30 15:09:05 +00:00
# endif
}
2015-07-03 21:54:57 +00:00
// VPM-B or Buehlmann Deco
2015-08-31 21:25:28 +00:00
tissue_at_end ( & displayed_dive , cached_datap ) ;
2015-07-03 22:13:34 +00:00
previous_deco_time = 100000000 ;
deco_time = 10000000 ;
2015-08-31 21:25:28 +00:00
cache_deco_state ( & bottom_cache ) ; // Lets us make several iterations
2015-07-03 22:13:34 +00:00
bottom_depth = depth ;
bottom_gi = gi ;
bottom_gas = gas ;
bottom_stopidx = stopidx ;
2015-08-22 04:41:53 +00:00
2015-07-03 22:13:34 +00:00
//CVA
do {
is_final_plan = ( prefs . deco_mode = = BUEHLMANN ) | | ( previous_deco_time - deco_time < 10 ) ; // CVA time converges
2015-08-15 12:16:48 +00:00
if ( deco_time ! = 10000000 )
2015-08-15 12:28:44 +00:00
vpmb_next_gradient ( deco_time , diveplan - > surface_pressure / 1000.0 ) ;
2015-08-15 12:16:48 +00:00
2015-07-03 22:13:34 +00:00
previous_deco_time = deco_time ;
2015-08-31 21:25:28 +00:00
restore_deco_state ( bottom_cache ) ;
2015-07-03 22:13:34 +00:00
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 ;
2015-08-31 21:25:28 +00:00
first_ceiling_pressure . mbar = depth_to_mbar ( deco_allowed_depth ( tissue_tolerance_calc ( & displayed_dive ,
2015-08-31 21:39:43 +00:00
depth_to_bar ( depth , & displayed_dive ) ) ,
2015-08-27 12:13:12 +00:00
diveplan - > surface_pressure / 1000.0 ,
& displayed_dive ,
1 ) ,
& displayed_dive ) ;
2015-09-12 02:10:54 +00:00
if ( max_bottom_ceiling_pressure . mbar > first_ceiling_pressure . mbar )
first_ceiling_pressure . mbar = max_bottom_ceiling_pressure . mbar ;
2015-08-27 12:13:12 +00:00
2015-07-03 22:13:34 +00:00
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 ;
}
2015-07-03 21:54:57 +00:00
2015-07-03 22:13:34 +00:00
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 ] ;
2015-08-31 21:39:43 +00:00
add_segment ( depth_to_bar ( depth , & displayed_dive ) ,
2015-07-03 22:13:34 +00:00
& 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 ) ;
2014-04-26 19:06:48 +00:00
previous_point_time = clock ;
2015-07-03 22:13:34 +00:00
stopping = true ;
2014-04-17 08:54:55 +00:00
2015-07-03 22:13:34 +00:00
/* 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 */
2015-08-03 15:29:05 +00:00
2015-07-03 22:13:34 +00:00
if ( current_cylinder ! = gaschanges [ gi ] . gasidx ) {
if ( ! prefs . switch_at_req_stop | |
2015-08-31 21:25:28 +00:00
! trial_ascent ( depth , stoplevels [ stopidx - 1 ] , avg_depth , bottom_time ,
2015-07-03 22:13:34 +00:00
& 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 */
2015-08-31 21:39:43 +00:00
add_segment ( depth_to_bar ( depth , & displayed_dive ) ,
2015-07-03 22:13:34 +00:00
& displayed_dive . cylinder [ current_cylinder ] . gasmix ,
prefs . min_switch_duration , po2 , & displayed_dive , prefs . decosac ) ;
clock + = prefs . min_switch_duration ;
2015-07-26 09:27:15 +00:00
if ( prefs . doo2breaks & & get_o2 ( & displayed_dive . cylinder [ current_cylinder ] . gasmix ) = = 1000 )
o2time + = prefs . min_switch_duration ;
2015-07-03 22:13:34 +00:00
} else {
2015-07-27 12:06:02 +00:00
/* The user has selected the option to switch gas only at required stops.
* Remember that we are waiting to switch gas
*/
2015-07-03 22:13:34 +00:00
pendinggaschange = true ;
}
}
2015-08-03 15:29:05 +00:00
gi - - ;
2015-07-03 22:13:34 +00:00
}
- - 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 */
2015-08-31 21:25:28 +00:00
if ( trial_ascent ( depth , stoplevels [ stopidx ] , avg_depth , bottom_time ,
2015-07-03 22:13:34 +00:00
& 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 ;
}
2015-07-27 12:06:02 +00:00
/* Are we waiting to switch gas?
* Occurs when the user has selected the option to switch only at required stops
*/
2015-07-03 22:13:34 +00:00
if ( pendinggaschange ) {
current_cylinder = gaschanges [ gi + 1 ] . gasidx ;
2015-06-22 12:43:20 +00:00
gas = displayed_dive . cylinder [ current_cylinder ] . gasmix ;
2013-01-10 00:01:15 +00:00
# if DEBUG_PLAN & 16
2015-07-03 22:13:34 +00:00
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 ) ;
2013-01-10 00:01:15 +00:00
# endif
2015-06-22 12:43:20 +00:00
/* Stop for the minimum duration to switch gas */
2015-08-31 21:39:43 +00:00
add_segment ( depth_to_bar ( depth , & displayed_dive ) ,
2015-06-22 12:43:20 +00:00
& displayed_dive . cylinder [ current_cylinder ] . gasmix ,
prefs . min_switch_duration , po2 , & displayed_dive , prefs . decosac ) ;
clock + = prefs . min_switch_duration ;
2015-07-26 09:27:15 +00:00
if ( prefs . doo2breaks & & get_o2 ( & displayed_dive . cylinder [ current_cylinder ] . gasmix ) = = 1000 )
o2time + = prefs . min_switch_duration ;
2015-07-03 22:13:34 +00:00
pendinggaschange = false ;
2015-06-22 12:43:20 +00:00
}
2013-10-07 00:32:50 +00:00
2015-07-03 22:13:34 +00:00
/* Deco stop should end when runtime is at a whole minute */
int this_decotimestep ;
this_decotimestep = DECOTIMESTEP - clock % DECOTIMESTEP ;
2015-06-20 01:40:36 +00:00
2015-08-31 21:39:43 +00:00
add_segment ( depth_to_bar ( depth , & displayed_dive ) ,
2015-07-03 22:13:34 +00:00
& 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 ) {
2015-07-27 12:06:02 +00:00
/* The backgas breaks option limits time on oxygen to 12 minutes, followed by 6 minutes on
* backgas ( first defined gas ) . This could be customized if there were demand .
*/
2015-07-03 22:13:34 +00:00
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 ) ;
2014-07-02 20:07:38 +00:00
previous_point_time = clock ;
2015-07-03 22:13:34 +00:00
current_cylinder = 0 ;
2014-07-02 20:07:38 +00:00
gas = displayed_dive . cylinder [ current_cylinder ] . gasmix ;
2015-07-03 22:13:34 +00:00
}
} 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 ;
}
2014-07-02 20:07:38 +00:00
}
}
}
}
2015-07-03 22:13:34 +00:00
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 ;
}
2014-04-17 08:54:55 +00:00
}
2014-04-18 14:08:33 +00:00
2015-07-03 22:13:34 +00:00
deco_time = clock - bottom_time ;
} while ( ! is_final_plan ) ;
2014-06-01 22:25:19 +00:00
plan_add_segment ( diveplan , clock - previous_point_time , 0 , gas , po2 , false ) ;
2014-07-04 18:26:31 +00:00
create_dive_from_plan ( diveplan , is_planner ) ;
2014-08-05 10:58:23 +00:00
add_plan_to_notes ( diveplan , & displayed_dive , show_disclaimer , error ) ;
2014-08-04 14:36:07 +00:00
fixup_dc_duration ( & displayed_dive . dc ) ;
2013-10-07 00:32:50 +00:00
2013-01-10 00:01:15 +00:00
free ( stoplevels ) ;
free ( gaschanges ) ;
2015-05-09 19:55:59 +00:00
return decodive ;
2013-01-05 07:11:42 +00:00
}
2013-01-07 19:23:14 +00:00
/*
* Get a value in tenths ( so " 10.2 " = = 102 , " 9 " = 90 )
*
* Return negative for errors .
*/
2013-01-07 21:13:10 +00:00
static int get_tenths ( const char * begin , const char * * endp )
2013-01-07 19:23:14 +00:00
{
2013-01-07 21:13:10 +00:00
char * end ;
int value = strtol ( begin , & end , 10 ) ;
if ( begin = = end )
2013-01-07 19:23:14 +00:00
return - 1 ;
value * = 10 ;
/* Fraction? We only look at the first digit */
2013-01-07 21:13:10 +00:00
if ( * end = = ' . ' ) {
2013-01-16 00:54:59 +00:00
end + + ;
2013-01-07 21:13:10 +00:00
if ( ! isdigit ( * end ) )
2013-01-07 19:23:14 +00:00
return - 1 ;
2013-01-07 21:13:10 +00:00
value + = * end - ' 0 ' ;
2013-01-07 19:23:14 +00:00
do {
2013-01-16 00:54:59 +00:00
end + + ;
2013-01-07 21:13:10 +00:00
} while ( isdigit ( * end ) ) ;
2013-01-07 19:23:14 +00:00
}
2013-01-16 00:54:59 +00:00
* endp = end ;
return value ;
}
2013-01-07 21:13:10 +00:00
static int get_permille ( const char * begin , const char * * end )
2013-01-07 19:23:14 +00:00
{
int value = get_tenths ( begin , end ) ;
if ( value > = 0 ) {
/* Allow a percentage sign */
if ( * * end = = ' % ' )
+ + * end ;
}
return value ;
}
2014-06-01 21:17:06 +00:00
int validate_gas ( const char * text , struct gasmix * gas )
2013-01-07 19:23:14 +00:00
{
int o2 , he ;
if ( ! text )
return 0 ;
2013-10-05 07:29:09 +00:00
while ( isspace ( * text ) )
2013-01-07 19:23:14 +00:00
text + + ;
2013-01-07 21:13:10 +00:00
if ( ! * text )
return 0 ;
2014-02-28 04:09:57 +00:00
if ( ! strcasecmp ( text , translate ( " gettextFromC " , " air " ) ) ) {
o2 = O2_IN_AIR ;
he = 0 ;
text + = strlen ( translate ( " gettextFromC " , " air " ) ) ;
2015-05-14 21:33:48 +00:00
} else if ( ! strcasecmp ( text , translate ( " gettextFromC " , " oxygen " ) ) ) {
o2 = 1000 ;
he = 0 ;
text + = strlen ( translate ( " gettextFromC " , " oxygen " ) ) ;
2014-02-28 04:09:57 +00:00
} else if ( ! strncasecmp ( text , translate ( " gettextFromC " , " ean " ) , 3 ) ) {
o2 = get_permille ( text + 3 , & text ) ;
he = 0 ;
2013-01-07 19:23:14 +00:00
} else {
2014-02-28 04:09:57 +00:00
o2 = get_permille ( text , & text ) ;
he = 0 ;
2013-01-07 19:23:14 +00:00
if ( * text = = ' / ' )
2014-02-28 04:09:57 +00:00
he = get_permille ( text + 1 , & text ) ;
2013-01-07 19:23:14 +00:00
}
/* We don't want any extra crud */
2013-10-05 07:29:09 +00:00
while ( isspace ( * text ) )
2013-01-07 19:23:14 +00:00
text + + ;
if ( * text )
return 0 ;
/* Validate the gas mix */
2014-02-28 04:09:57 +00:00
if ( * text | | o2 < 1 | | o2 > 1000 | | he < 0 | | o2 + he > 1000 )
2013-01-07 19:23:14 +00:00
return 0 ;
/* Let it rip */
2014-06-01 21:17:06 +00:00
gas - > o2 . permille = o2 ;
gas - > he . permille = he ;
2013-01-07 19:23:14 +00:00
return 1 ;
}
2013-04-08 03:20:25 +00:00
int validate_po2 ( const char * text , int * mbar_po2 )
2013-01-23 19:12:24 +00:00
{
int po2 ;
if ( ! text )
return 0 ;
po2 = get_tenths ( text , & text ) ;
if ( po2 < 0 )
return 0 ;
2013-10-05 07:29:09 +00:00
while ( isspace ( * text ) )
2013-01-23 19:12:24 +00:00
text + + ;
2013-10-05 07:29:09 +00:00
while ( isspace ( * text ) )
2013-01-23 19:12:24 +00:00
text + + ;
if ( * text )
return 0 ;
* mbar_po2 = po2 * 100 ;
return 1 ;
}