extreme optimization project to maybe fix game

code/modules/integrated_electronics/subtypes/atmospherics.dm

@@ -131,11 +131,10 @@
 	var/pressure_delta = target_pressure - target_air.return_pressure()
 	if(pressure_delta > 0.1)
 		var/transfer_moles = (pressure_delta*target_air.return_volume()/(source_air.return_temperature() * R_IDEAL_GAS_EQUATION))*PUMP_EFFICIENCY
-		var/datum/gas_mixture/removed = source_air.remove(transfer_moles)
 		if(istype(snowflake)) //Snowflake check for tanks specifically, because tank ruptures are handled in a very snowflakey way that expects all tank interactions to be handled via the tank's procs
-			snowflake.assume_air(removed)
+			snowflake.assume_air_moles(source_air, transfer_moles)
 		else
-			target_air.merge(removed)
+			source_air.transfer_to(target_air, transfer_moles)
 
 
 // - volume pump - // **Works**
@@ -183,12 +182,10 @@
 	//The second part of the min caps the pressure built by the volume pumps to the max pump pressure
 	var/transfer_ratio = min(transfer_rate,target_air.return_volume()*PUMP_MAX_PRESSURE/source_air.return_pressure())/source_air.return_volume()
 
-	var/datum/gas_mixture/removed = source_air.remove_ratio(transfer_ratio * PUMP_EFFICIENCY)
-
 	if(istype(snowflake))
-		snowflake.assume_air(removed)
+		snowflake.assume_air_ratio(source_air, transfer_ratio * PUMP_EFFICIENCY)
 	else
-		target_air.merge(removed)
+		source_air.transfer_ratio_to(target_air, transfer_ratio * PUMP_EFFICIENCY)
 
 
 // - gas vent - // **works**
@@ -468,16 +465,12 @@
 
 	var/snowflakecheck = istype(gas_output, /obj/item/tank)
 
-	var/datum/gas_mixture/mix = source_1_gases.remove(transfer_moles * gas_percentage)
 	if(snowflakecheck)
-		gas_output.assume_air(mix)
+		gas_output.assume_air_moles(source_1_gases, transfer_moles * gas_percentage)
+		gas_output.assume_air_moles(source_2_gases, transfer_moles * (1-gas_percentage))
 	else
-		output_gases.merge(mix)
-	mix = source_2_gases.remove(transfer_moles * (1-gas_percentage))
-	if(snowflakecheck)
-		gas_output.assume_air(mix)
-	else
-		output_gases.merge(mix)
+		source_1_gases.transfer_to(output_gases, transfer_moles * gas_percentage)
+		source_2_gases.transfer_to(output_gases, transfer_moles * (1-gas_percentage))
 
 
 // - integrated tank - // **works**

code/modules/integrated_electronics/subtypes/weaponized.dm

@@ -292,10 +292,7 @@
 	if(!source_air || !target_air)
 		return
 
-	var/datum/gas_mixture/removed = source_air.remove(gas_per_throw)
-	if(!removed)
-		return
-	target_air.merge(removed)
+	source_air.transfer_to(target_air, gas_per_throw)
 
 	// If the item is in a grabber circuit we'll update the grabber's outputs after we've thrown it.
 	var/obj/item/integrated_circuit/manipulation/grabber/G = A.loc