Add FireData configuration multipliers for kickback and muzzle velocity

Projects/TerraTech/TerraTech/Class1.cs

@@ -54,6 +54,9 @@ namespace TerraTech {
         public static ConfigEntry<float> shieldHeartbeatIntervalMultiplier;
         public static ConfigEntry<float> shieldPowerUpDelayMultiplier;
 
+        public static ConfigEntry<float> fireDataKickbackStrengthMultiplier;
+        public static ConfigEntry<float> fireDataMuzzleVelocityMultiplier;
+
         public void Awake() {
             debug = Config.Bind("General", "Debug", false);
             float min = 0.01f;
@@ -105,6 +108,17 @@ namespace TerraTech {
                 new ConfigDescription("Aerofoil Lift Strength Multiplier", new AcceptableValueRange<float>(min, max)));
             aerofoilLiftStrengthMultiplier.SettingChanged += (sender, args) => ModuleWingManager.DoPatch();
 
+            fireDataKickbackStrengthMultiplier =
+                Config.Bind("FireData", "Fire Data Kickback Strength Multiplier", 1f,
+                            new ConfigDescription("Fire Data Kickback Strength Multiplier",
+                                                  new AcceptableValueRange<float>(min, max)));
+            fireDataKickbackStrengthMultiplier.SettingChanged += (sender, args) => FireDataManager.DoPatch();
+            fireDataMuzzleVelocityMultiplier =
+                Config.Bind("FireData", "Fire Data Muzzle Velocity Multiplier", 1f,
+                            new ConfigDescription("Fire Data Muzzle Velocity Multiplier",
+                                                  new AcceptableValueRange<float>(min, max)));
+            fireDataMuzzleVelocityMultiplier.SettingChanged += (sender, args) => FireDataManager.DoPatch();
+
             shootingSpeedMultiplier = Config.Bind(
                 "Weapons", "Shooting Speed Multiplier", 1f,
                 new ConfigDescription("Shooting Speed Multiplier", new AcceptableValueRange<float>(min, max)));

Projects/TerraTech/TerraTech/FireDataManager.cs

@@ -0,0 +1,35 @@
+using System;
+using HarmonyLib;
+
+namespace TerraTech {
+    [HarmonyPatch]
+    public class FireDataManager {
+        private static readonly MultipliedObjectManager<FireData> manager =
+            new MultipliedObjectManager<FireData>(ConfigureFireData);
+
+        private static void ConfigureFireData(MultipliedObject<FireData> obj) {
+            obj.AddField(new FieldConfiguration<float>("m_MuzzleVelocity", Main.fireDataMuzzleVelocityMultiplier));
+            obj.AddField(new FieldConfiguration<float>("m_KickbackStrength", Main.fireDataKickbackStrengthMultiplier));
+        }
+
+        [HarmonyPrefix]
+        [HarmonyPatch(typeof(ModuleWeaponGun), "OnAttached")]
+        static void PostfixCreate(ModuleWeaponGun __instance) {
+            var trav = Traverse.Create(__instance);
+            var firingData = trav.Field("m_FireData");
+            manager.OnObjectAttached(firingData.GetValue<FireData>());
+        }
+
+        [HarmonyPrefix]
+        [HarmonyPatch(typeof(ModuleWeaponGun), "OnDetaching")]
+        static void PostfixDestroy(ModuleWeaponGun __instance) {
+            var trav = Traverse.Create(__instance);
+            var firingData = trav.Field("m_FireData");
+            manager.OnObjectDetached(firingData.GetValue<FireData>());
+        }
+
+        public static void DoPatch() {
+            manager.ApplyAll();
+        }
+    }
+}

Projects/TerraTech/TerraTech/TerraTech.csproj

@@ -44,6 +44,7 @@
     <Compile Include="Properties\AssemblyInfo.cs" />
     <Compile Include="SeekingProjectileManager.cs" />
     <Compile Include="ModuleWingManager.cs" />
+    <Compile Include="FireDataManager.cs" />
   </ItemGroup>
   <ItemGroup>
     <Reference Include="0Harmony">