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Merge pull request #6050 from mwerezak/breathing
Simplifies handling of inhale_pp
This commit is contained in:
Ccomp5950
@@ -437,7 +437,7 @@
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var/safe_pressure_min = 16 // Minimum safe partial pressure of breathable gas in kPa
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//var/safe_pressure_max = 140 // Maximum safe partial pressure of breathable gas in kPa (Not used for now)
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var/safe_exhaled_max = 10 // Yes it's an arbitrary value who cares?
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var/safe_exhaled_max = 10
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var/safe_toxins_max = 0.005
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var/SA_para_min = 1
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var/SA_sleep_min = 5
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@@ -448,7 +448,6 @@
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var/inhaling
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var/poison
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var/exhaling
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var/no_exhale
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var/breath_type
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var/poison_type
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@@ -459,21 +458,21 @@
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if(species.breath_type)
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breath_type = species.breath_type
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inhaling = breath.gas[breath_type]
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else
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inhaling = "oxygen"
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breath_type = "oxygen"
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inhaling = breath.gas[breath_type]
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if(species.poison_type)
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poison_type = species.poison_type
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poison = breath.gas[poison_type]
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else
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poison = "phoron"
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poison_type = "phoron"
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poison = breath.gas[poison_type]
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if(species.exhale_type)
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exhale_type = species.exhale_type
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exhaling = breath.gas[exhale_type]
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else
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no_exhale = 1
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exhaling = 0
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var/inhale_pp = (inhaling/breath.total_moles)*breath_pressure
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var/toxins_pp = (poison/breath.total_moles)*breath_pressure
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@@ -483,75 +482,66 @@
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if(inhale_pp < safe_pressure_min)
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if(prob(20))
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spawn(0) emote("gasp")
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if(inhale_pp > 0)
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var/ratio = inhale_pp/safe_pressure_min
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// Don't fuck them up too fast (space only does HUMAN_MAX_OXYLOSS after all!)
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// The hell? By definition ratio > 1, and HUMAN_MAX_OXYLOSS = 1... why do we even have this?
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adjustOxyLoss(min(5*ratio, HUMAN_MAX_OXYLOSS))
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failed_inhale = 1
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inhaled_gas_used = inhaling*ratio/6
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else
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adjustOxyLoss(HUMAN_MAX_OXYLOSS)
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failed_inhale = 1
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var/ratio = inhale_pp/safe_pressure_min
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// Don't fuck them up too fast (space only does HUMAN_MAX_OXYLOSS after all!)
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adjustOxyLoss(max(HUMAN_MAX_OXYLOSS*(1-ratio), 0))
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failed_inhale = 1
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oxygen_alert = max(oxygen_alert, 1)
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else
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// We're in safe limits
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inhaled_gas_used = inhaling/6
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oxygen_alert = 0
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breath.adjust_gas(breath_type, -inhaled_gas_used)
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inhaled_gas_used = inhaling/6
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if(!no_exhale)
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breath.adjust_gas(exhale_type, inhaled_gas_used)
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breath.adjust_gas(breath_type, -inhaled_gas_used, update = 0) //update afterwards
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// Too much exhaled gas in the air
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if(exhaled_pp > safe_exhaled_max)
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if (!co2_alert|| prob(15))
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var/word = pick("extremely dizzy","short of breath","faint","confused")
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src << "<span class='danger'>You feel [word].</span>"
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if(exhale_type)
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breath.adjust_gas_temp(exhale_type, inhaled_gas_used, bodytemperature, update = 0) //update afterwards
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adjustOxyLoss(HUMAN_MAX_OXYLOSS)
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co2_alert = 1
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failed_exhale = 1
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// Too much exhaled gas in the air
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if(exhaled_pp > safe_exhaled_max)
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if (!co2_alert|| prob(15))
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var/word = pick("extremely dizzy","short of breath","faint","confused")
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src << "<span class='danger'>You feel [word].</span>"
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else if(exhaled_pp > safe_exhaled_max * 0.7)
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if (!co2_alert || prob(1))
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var/word = pick("dizzy","short of breath","faint","momentarily confused")
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src << "<span class='warning>You feel [word].</span>"
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//scale linearly from 0 to 1 between safe_exhaled_max and safe_exhaled_max*0.7
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var/ratio = 1.0 - (safe_exhaled_max - exhaled_pp)/(safe_exhaled_max*0.3)
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//give them some oxyloss, up to the limit - we don't want people falling unconcious due to CO2 alone until they're pretty close to safe_exhaled_max.
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if (getOxyLoss() < 50*ratio)
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adjustOxyLoss(HUMAN_MAX_OXYLOSS)
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co2_alert = 1
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failed_exhale = 1
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co2_alert = 1
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failed_exhale = 1
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else if(exhaled_pp > safe_exhaled_max * 0.6)
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if (prob(0.3))
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var/word = pick("a little dizzy","short of breath")
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src << "<span class='warning>You feel [word].</span>"
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else if(exhaled_pp > safe_exhaled_max * 0.7)
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if (!co2_alert || prob(1))
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var/word = pick("dizzy","short of breath","faint","momentarily confused")
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src << "<span class='warning>You feel [word].</span>"
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else
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co2_alert = 0
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//scale linearly from 0 to 1 between safe_exhaled_max and safe_exhaled_max*0.7
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var/ratio = 1.0 - (safe_exhaled_max - exhaled_pp)/(safe_exhaled_max*0.3)
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//give them some oxyloss, up to the limit - we don't want people falling unconcious due to CO2 alone until they're pretty close to safe_exhaled_max.
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if (getOxyLoss() < 50*ratio)
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adjustOxyLoss(HUMAN_MAX_OXYLOSS)
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co2_alert = 1
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failed_exhale = 1
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else if(exhaled_pp > safe_exhaled_max * 0.6)
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if (prob(0.3))
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var/word = pick("a little dizzy","short of breath")
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src << "<span class='warning>You feel [word].</span>"
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else
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co2_alert = 0
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// Too much poison in the air.
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if(toxins_pp > safe_toxins_max)
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var/ratio = (poison/safe_toxins_max) * 10
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if(reagents)
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reagents.add_reagent("toxin", Clamp(ratio, MIN_TOXIN_DAMAGE, MAX_TOXIN_DAMAGE))
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breath.adjust_gas(poison_type, -poison/6, update = 0) //update after
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phoron_alert = max(phoron_alert, 1)
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else
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phoron_alert = 0
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// If there's some other shit in the air lets deal with it here.
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if(breath.gas["sleeping_agent"])
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var/SA_pp = (breath.gas["sleeping_agent"] / breath.total_moles) * breath_pressure
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@@ -570,7 +560,7 @@
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else if(SA_pp > 0.15)
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if(prob(20))
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spawn(0) emote(pick("giggle", "laugh"))
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breath.adjust_gas("sleeping_agent", -breath.gas["sleeping_agent"])
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breath.adjust_gas("sleeping_agent", -breath.gas["sleeping_agent"]/6, update = 0) //update after
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// Were we able to breathe?
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if (failed_inhale || failed_exhale)
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@@ -582,9 +572,6 @@
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// Hot air hurts :(
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if( (breath.temperature < species.cold_level_1 || breath.temperature > species.heat_level_1) && !(COLD_RESISTANCE in mutations))
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if(status_flags & GODMODE)
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return 1
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if(breath.temperature < species.cold_level_1)
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if(prob(20))
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src << "<span class='danger'>You feel your face freezing and icicles forming in your lungs!</span>"
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@@ -626,6 +613,9 @@
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if (temp_adj < BODYTEMP_COOLING_MAX) temp_adj = BODYTEMP_COOLING_MAX
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//world << "Breath: [breath.temperature], [src]: [bodytemperature], Adjusting: [temp_adj]"
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bodytemperature += temp_adj
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breath.update_values()
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return 1
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proc/handle_environment(datum/gas_mixture/environment)
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