Makes Nitrous Oxide Visible on Air Alarm, PDA, and Analyzer (#20891)

* Makes N2O not a trace gas

* Back end for nitrous readout on air alarm

* Makes nitrous appear on atmosphere scanners

* adds N2O bar to air alarm UI

* adds nitrous to PDA scanner

* TGUI Rebuild

code/modules/atmospherics/gasmixtures/gas_mixture.dm

@@ -56,7 +56,7 @@ What are the archived variables for?
 	return moles
 
 /datum/gas_mixture/proc/total_trace_moles()
-	var/moles = sleeping_agent + agent_b
+	var/moles = agent_b
 	return moles
 
 	/// Calculate pressure in kilopascals

code/modules/atmospherics/machinery/airalarm.dm

@@ -154,6 +154,7 @@
 		"nitrogen"       = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 		"carbon dioxide" = new/datum/tlv(-1.0, -1.0, 5,  10), // Partial pressure, kpa
 		"plasma"         = new/datum/tlv(-1.0, -1.0, 0.2, 0.5), // Partial pressure, kpa
+		"nitrous oxide"  = new/datum/tlv(-1.0, -1.0, 0.2, 0.5), // Partial pressure, kpa
 		"other"          = new/datum/tlv(-1.0, -1.0, 0.5, 1.0), // Partial pressure, kpa
 		"pressure"       = new/datum/tlv(ONE_ATMOSPHERE*0.80,ONE_ATMOSPHERE*0.90,ONE_ATMOSPHERE*1.10,ONE_ATMOSPHERE*1.20), /* kpa */
 		"temperature"    = new/datum/tlv(T0C, T0C+10, T0C+40, T0C+66), // K
@@ -165,6 +166,7 @@
 				"nitrogen"       = new/datum/tlv(16, 19, 135, 140), // Partial pressure, kpa
 				"carbon dioxide" = new/datum/tlv(-1.0, -1.0, 5,  10), // Partial pressure, kpa
 				"plasma"         = new/datum/tlv(-1.0, -1.0, 0.2, 0.5), // Partial pressure, kpa
+				"nitrous oxide"  = new/datum/tlv(-1.0, -1.0, 0.2, 0.5), // Partial pressure, kpa
 				"other"          = new/datum/tlv(-1.0, -1.0, 0.5, 1.0), // Partial pressure, kpa
 				"pressure"       = new/datum/tlv(ONE_ATMOSPHERE*0.80,ONE_ATMOSPHERE*0.90,ONE_ATMOSPHERE*1.10,ONE_ATMOSPHERE*1.20), /* kpa */
 				"temperature"    = new/datum/tlv(T0C, T0C+10, T0C+40, T0C+66), // K
@@ -175,6 +177,7 @@
 				"nitrogen"       = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"carbon dioxide" = new/datum/tlv(-1.0, -1.0,   5,  10), // Partial pressure, kpa
 				"plasma"         = new/datum/tlv(-1.0, -1.0, 0.2, 0.5), // Partial pressure, kpa
+				"nitrous oxide"  = new/datum/tlv(-1.0, -1.0, 0.2, 0.5), // Partial pressure, kpa
 				"other"          = new/datum/tlv(-1.0, -1.0, 0.5, 1.0), // Partial pressure, kpa
 				"pressure"       = new/datum/tlv(ONE_ATMOSPHERE*0.80,ONE_ATMOSPHERE*0.90,ONE_ATMOSPHERE*1.50,ONE_ATMOSPHERE*1.60), /* kpa */
 				"temperature"    = new/datum/tlv(T0C-50, T0C-20, T0C, T20C), // K
@@ -185,6 +188,7 @@
 				"nitrogen"       = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"carbon dioxide" = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"plasma"         = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
+				"nitrous oxide"  = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"other"          = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"pressure"       = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), /* kpa */
 				"temperature"    = new/datum/tlv(0, 0, T20C + 5, T20C + 15), // K
@@ -196,6 +200,7 @@
 				"nitrogen"       = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"carbon dioxide" = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"plasma"         = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
+				"nitrous oxide"  = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"other"          = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // Partial pressure, kpa
 				"pressure"       = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), /* kpa */
 				"temperature"    = new/datum/tlv(-1.0, -1.0, -1.0, -1.0), // K
@@ -295,6 +300,9 @@
 	cur_tlv = TLV["plasma"]
 	var/plasma_dangerlevel = cur_tlv.get_danger_level(environment.toxins*GET_PP)
 
+	cur_tlv = TLV["nitrous oxide"]
+	var/sleeping_agent_dangerlevel = cur_tlv.get_danger_level(environment.sleeping_agent*GET_PP)
+
 	cur_tlv = TLV["other"]
 	var/other_dangerlevel = cur_tlv.get_danger_level(environment.total_trace_moles() * GET_PP)
 
@@ -308,6 +316,7 @@
 		nitrogen_dangerlevel,
 		co2_dangerlevel,
 		plasma_dangerlevel,
+		sleeping_agent_dangerlevel,
 		other_dangerlevel,
 		temperature_dangerlevel
 	)
@@ -584,7 +593,7 @@
 		return
 
 	var/datum/gas_mixture/environment = location.return_air()
-	var/known_total = environment.oxygen + environment.nitrogen + environment.carbon_dioxide + environment.toxins
+	var/known_total = environment.oxygen + environment.nitrogen + environment.carbon_dioxide + environment.toxins + environment.sleeping_agent
 	var/total = environment.total_moles()
 
 	var/datum/tlv/cur_tlv
@@ -610,6 +619,10 @@
 	var/plasma_dangerlevel = cur_tlv.get_danger_level(environment.toxins*GET_PP)
 	var/plasma_percent = total ? environment.toxins / total * 100 : 0
 
+	cur_tlv = TLV["nitrous oxide"]
+	var/sleeping_agent_dangerlevel = cur_tlv.get_danger_level(environment.sleeping_agent*GET_PP)
+	var/sleeping_agent_percent = total ? environment.sleeping_agent / total * 100 : 0
+
 	cur_tlv = TLV["other"]
 	var/other_moles = total - known_total
 	var/other_dangerlevel = cur_tlv.get_danger_level(other_moles*GET_PP)
@@ -629,6 +642,7 @@
 	percentages["nitrogen"] = nitrogen_percent
 	percentages["co2"] = co2_percent
 	percentages["plasma"] = plasma_percent
+	percentages["n2o"] = sleeping_agent_percent
 	percentages["other"] = other_percent
 	data["contents"] = percentages
 
@@ -639,6 +653,7 @@
 	danger["nitrogen"] = nitrogen_dangerlevel
 	danger["co2"] = co2_dangerlevel
 	danger["plasma"] = plasma_dangerlevel
+	danger["n2o"] = sleeping_agent_dangerlevel
 	danger["other"] = other_dangerlevel
 	danger["overall"] = max(pressure_dangerlevel,oxygen_dangerlevel,nitrogen_dangerlevel,co2_dangerlevel,plasma_dangerlevel,other_dangerlevel,temperature_dangerlevel)
 	data["danger"] = danger
@@ -739,6 +754,7 @@
 		"nitrogen"       = "N2",
 		"carbon dioxide" = "CO2",
 		"plasma"         = "Toxin",
+		"nitrous oxide"  = "N2O",
 		"other"          = "Other")
 	for(var/g in gas_names)
 		thresholds += list(list("name" = gas_names[g], "settings" = list()))

code/modules/pda/core_apps.dm

@@ -113,7 +113,8 @@
 			var/n2_level = environment.nitrogen/total_moles
 			var/co2_level = environment.carbon_dioxide/total_moles
 			var/plasma_level = environment.toxins/total_moles
-			var/unknown_level =  1-(o2_level+n2_level+co2_level+plasma_level)
+			var/n2o_level = environment.sleeping_agent/total_moles
+			var/unknown_level =  1-(o2_level+n2_level+co2_level+plasma_level+n2o_level)
 			results = list(
 				list("entry" = "Pressure", "units" = "kPa", "val" = "[round(pressure,0.1)]", "bad_high" = 120, "poor_high" = 110, "poor_low" = 95, "bad_low" = 80),
 				list("entry" = "Temperature", "units" = "C", "val" = "[round(environment.temperature-T0C,0.1)]", "bad_high" = 35, "poor_high" = 25, "poor_low" = 15, "bad_low" = 5),
@@ -121,6 +122,7 @@
 				list("entry" = "Nitrogen", "units" = "%", "val" = "[round(n2_level*100,0.1)]", "bad_high" = 105, "poor_high" = 85, "poor_low" = 50, "bad_low" = 40),
 				list("entry" = "Carbon Dioxide", "units" = "%", "val" = "[round(co2_level*100,0.1)]", "bad_high" = 10, "poor_high" = 5, "poor_low" = 0, "bad_low" = 0),
 				list("entry" = "Plasma", "units" = "%", "val" = "[round(plasma_level*100,0.01)]", "bad_high" = 0.5, "poor_high" = 0, "poor_low" = 0, "bad_low" = 0),
+				list("entry" = "Nitrous Oxide", "units" = "%", "val" = "[round(n2o_level*100,0.01)]", "bad_high" = 0.5, "poor_high" = 0, "poor_low" = 0, "bad_low" = 0),
 				list("entry" = "Other", "units" = "%", "val" = "[round(unknown_level*100,0.01)]", "bad_high" = 1, "poor_high" = 0.5, "poor_low" = 0, "bad_low" = 0)
 			)