reactor control and safety system attempting server connection

rcass/safety.lua

@@ -0,0 +1,80 @@
+-- Internal Safety System
+-- identifies dangerous states and SCRAMs reactor if warranted
+-- autonomous from main control
+function iss_init(reactor)
+    local self = {
+        _reactor = reactor,
+        _tripped = false,
+        _trip_cause = ""
+    }
+
+    local check = function ()
+        local status = "ok"
+        
+        -- check system states in order of severity
+        if self.damage_critical() then
+            status = "dmg_crit"
+        elseif self.high_temp() then
+            status = "high_temp"
+        elseif self.excess_heated_coolant() then
+            status = "heated_coolant_backup"
+        elseif self.excess_waste() then
+            status = "full_waste"
+        elseif self.insufficient_fuel() then
+            status = "no_fuel"
+        elseif self._tripped then
+            status = self._trip_cause
+        else
+            self._tripped = false
+        end
+    
+        if status ~= "ok" then
+            self._tripped = true
+            self._trip_cause = status
+            self._reactor.scram()
+        end
+    
+        return self._tripped, status
+    end
+
+    local reset = function ()
+        self._tripped = false
+        self._trip_cause = ""
+    end
+    
+    local damage_critical = function ()
+        return self._reactor.getDamagePercent() >= 100
+    end
+    
+    local excess_heated_coolant = function ()
+        return self._reactor.getHeatedCoolantNeeded() == 0
+    end
+    
+    local excess_waste = function ()
+        return self._reactor.getWasteNeeded() == 0
+    end
+
+    local high_temp = function ()
+        -- mekanism: MAX_DAMAGE_TEMPERATURE = 1_200
+        return self._reactor.getTemperature() >= 1200
+    end
+    
+    local insufficient_fuel = function ()
+        return self._reactor.getFuel() == 0
+    end
+
+    local no_coolant = function()
+        return self._reactor.getCoolantFilledPercentage() < 2
+    end
+
+    return {
+        check = check,
+        reset = reset,
+        damage_critical = damage_critical,
+        excess_heated_coolant = excess_heated_coolant,
+        excess_waste = excess_waste,
+        high_temp = high_temp,
+        insufficient_fuel = insufficient_fuel,
+        no_coolant = no_coolant
+    }
+end