Added all the fuel cost values in the cfg

GameData/SimpleRefuel/SimpleRefuel.cfg

@@ -1,4 +1,5 @@
 SimpleRefuel_Settings
 {
 	RefuelSpeed = 100.0
+	ResourceCost = ElectricCharge,0.0;LiquidFuel,0.8;Oxidizer,0.2,IntakeAir,0.0;SolidFuel,0.6;MonoPropellant,1.2;XenonGas,4.0;Ore,0.02;Ablator,0.5
 }

Source/Config.cs

@@ -17,15 +17,24 @@ internal static Config Instance {
 		}
 
 		private Config() {
+			this.ResourcesCost = new Dictionary<string, float>();
 			this.Load();
 		}
 
 		internal float RefuelSpeed;
+		internal Dictionary<String, float> ResourcesCost;
 
 		private void Load() {
 			var node = ConfigNode.Load(ConfigFilePath);
 			var settings = node.GetNode(settingsNodeName);
 			this.RefuelSpeed = float.Parse(settings.GetValue("RefuelSpeed"));
+
+			var resCosts = settings.GetValue("ResourceCost").Split(';');
+            foreach (var resCost in resCosts) {                
+				var parts = resCost.Split(',');
+                this.ResourcesCost.Add(parts[0], float.Parse(parts[1]));
+
+			}
 		}
 	}
 }

Source/SimpleRefuel.cs

@@ -30,18 +30,6 @@ public class Refuel : MonoBehaviour
         private readonly string icon_green = "SimpleRefuel/Textures/icon_green";
         private readonly string icon_red = "SimpleRefuel/Textures/icon_red";
 
-		/* RESOURCES COST */
-		Dictionary<string, float> resourcesCost = new Dictionary<string, float> { //From: https://wiki.kerbalspaceprogram.com/wiki/Resource
-			{ "ElectricCharge", 0.0f  }, 
-			{ "LiquidFuel",     0.8f  },
-			{ "Oxidizer",       0.18f },
-			{ "IntakeAir",      0.0f  },
-			{ "SolidFuel",      0.6f  },
-			{ "MonoPropellant", 1.2f  },
-			{ "XenonGas	",      4.0f  },
-			{ "Ore",            0.02f },
-			{ "Ablator",        0.5f  }
-		};
 
 		/* MONOBEHAVIOUR METHODS */
 		void Awake()
@@ -87,16 +75,16 @@ void Update()
 
                     if (r.resourceName == resources[current_resource] && r.amount < r.maxAmount)
                     {
-                        if (r.maxAmount - r.amount > Config.Instance.RefuelSpeed * TimeWarp.deltaTime){				
-							if(Funding.CanAfford(Config.Instance.RefuelSpeed * resourcesCost[r.resourceName] * TimeWarp.deltaTime)){
+                        if (r.maxAmount - r.amount > Config.Instance.RefuelSpeed * TimeWarp.deltaTime) {
+							if(Funding.CanAfford(Config.Instance.RefuelSpeed * Config.Instance.ResourcesCost[r.resourceName] * TimeWarp.deltaTime)){
 								r.amount += Config.Instance.RefuelSpeed * TimeWarp.deltaTime; // Charge RefuelSpeed units per second	
-								Funding.Instance.AddFunds(-Config.Instance.RefuelSpeed * resourcesCost[r.resourceName] * TimeWarp.deltaTime, TransactionReasons.Any);
+								Funding.Instance.AddFunds(-Config.Instance.RefuelSpeed * Config.Instance.ResourcesCost[r.resourceName] * TimeWarp.deltaTime, TransactionReasons.Any);
 							}
 						}
                         else {
-							if(Funding.CanAfford((float)(r.maxAmount - r.amount) * resourcesCost[r.resourceName])){
+							if(Funding.CanAfford((float)(r.maxAmount - r.amount) * Config.Instance.ResourcesCost[r.resourceName])){
 								r.amount = r.maxAmount;	
-								Funding.Instance.AddFunds(-(r.maxAmount - r.amount) * resourcesCost[r.resourceName], TransactionReasons.Any);
+								Funding.Instance.AddFunds(-(r.maxAmount - r.amount) * Config.Instance.ResourcesCost[r.resourceName], TransactionReasons.Any);
 							}
 						}