Fix healing damage classes and damageable serialization and add test (#2727)

* Fix healing damage classes and damageable serialization and add test

* The fall of an empire

* Fix healPerType being -1 instead of 1

Content.IntegrationTests/Tests/Damageable/DamageTest.cs

@@ -0,0 +1,151 @@
+using System;
+using System.Threading.Tasks;
+using Content.Shared.Damage;
+using Content.Shared.GameObjects.Components.Damage;
+using NUnit.Framework;
+using Robust.Shared.Interfaces.GameObjects;
+using Robust.Shared.Interfaces.Map;
+using Robust.Shared.Map;
+
+namespace Content.IntegrationTests.Tests.Damageable
+{
+    [TestFixture]
+    [TestOf(typeof(DamageableComponent))]
+    public class DamageTest : ContentIntegrationTest
+    {
+        private static readonly string DamageableEntityId = "DamageableEntityId";
+
+        private static readonly string Prototypes = $@"
+- type: entity
+  id: {DamageableEntityId}
+  name: {DamageableEntityId}
+  components:
+  - type: Damageable
+    damageContainer: allDamageContainer";
+
+        [Test]
+        public async Task TestDamageTypeDamageAndHeal()
+        {
+            var server = StartServerDummyTicker(new ServerContentIntegrationOption
+            {
+                ExtraPrototypes = Prototypes
+            });
+
+            await server.WaitIdleAsync();
+
+            var sEntityManager = server.ResolveDependency<IEntityManager>();
+            var sMapManager = server.ResolveDependency<IMapManager>();
+
+            IEntity sDamageableEntity = null;
+            IDamageableComponent sDamageableComponent = null;
+
+            await server.WaitPost(() =>
+            {
+                var mapId = sMapManager.NextMapId();
+                var coordinates = new MapCoordinates(0, 0, mapId);
+                sMapManager.CreateMap(mapId);
+
+                sDamageableEntity = sEntityManager.SpawnEntity(DamageableEntityId, coordinates);
+                sDamageableComponent = sDamageableEntity.GetComponent<IDamageableComponent>();
+            });
+
+            await server.WaitRunTicks(5);
+
+            await server.WaitAssertion(() =>
+            {
+                Assert.That(sDamageableComponent.TotalDamage, Is.EqualTo(0));
+
+                var damageToDeal = 7;
+
+                foreach (var type in Enum.GetValues<DamageType>())
+                {
+                    Assert.That(sDamageableComponent.SupportsDamageType(type));
+
+                    // Damage
+                    Assert.That(sDamageableComponent.ChangeDamage(type, damageToDeal, true), Is.True);
+                    Assert.That(sDamageableComponent.TotalDamage, Is.EqualTo(damageToDeal));
+                    Assert.That(sDamageableComponent.TryGetDamage(type, out var damage), Is.True);
+                    Assert.That(damage, Is.EqualTo(damageToDeal));
+
+                    // Heal
+                    Assert.That(sDamageableComponent.ChangeDamage(type, -damageToDeal, true), Is.True);
+                    Assert.That(sDamageableComponent.TotalDamage, Is.Zero);
+                    Assert.That(sDamageableComponent.TryGetDamage(type, out damage), Is.True);
+                    Assert.That(damage, Is.Zero);
+                }
+            });
+        }
+
+        [Test]
+        public async Task TestDamageClassDamageAndHeal()
+        {
+            var server = StartServerDummyTicker(new ServerContentIntegrationOption
+            {
+                ExtraPrototypes = Prototypes
+            });
+
+            await server.WaitIdleAsync();
+
+            var sEntityManager = server.ResolveDependency<IEntityManager>();
+            var sMapManager = server.ResolveDependency<IMapManager>();
+
+            IEntity sDamageableEntity = null;
+            IDamageableComponent sDamageableComponent = null;
+
+            await server.WaitPost(() =>
+            {
+                var mapId = sMapManager.NextMapId();
+                var coordinates = new MapCoordinates(0, 0, mapId);
+                sMapManager.CreateMap(mapId);
+
+                sDamageableEntity = sEntityManager.SpawnEntity(DamageableEntityId, coordinates);
+                sDamageableComponent = sDamageableEntity.GetComponent<IDamageableComponent>();
+            });
+
+            await server.WaitRunTicks(5);
+
+            await server.WaitAssertion(() =>
+            {
+                Assert.That(sDamageableComponent.TotalDamage, Is.EqualTo(0));
+
+                foreach (var @class in Enum.GetValues<DamageClass>())
+                {
+                    Assert.That(sDamageableComponent.SupportsDamageClass(@class));
+
+                    var types = @class.ToTypes();
+
+                    foreach (var type in types)
+                    {
+                        Assert.That(sDamageableComponent.SupportsDamageType(type));
+                    }
+
+                    var damageToDeal = types.Count * 5;
+
+                    // Damage
+                    Assert.That(sDamageableComponent.ChangeDamage(@class, damageToDeal, true), Is.True);
+                    Assert.That(sDamageableComponent.TotalDamage, Is.EqualTo(damageToDeal));
+                    Assert.That(sDamageableComponent.TryGetDamage(@class, out var classDamage), Is.True);
+                    Assert.That(classDamage, Is.EqualTo(damageToDeal));
+
+                    foreach (var type in types)
+                    {
+                        Assert.That(sDamageableComponent.TryGetDamage(type, out var typeDamage), Is.True);
+                        Assert.That(typeDamage, Is.EqualTo(damageToDeal / types.Count));
+                    }
+
+                    // Heal
+                    Assert.That(sDamageableComponent.ChangeDamage(@class, -damageToDeal, true), Is.True);
+                    Assert.That(sDamageableComponent.TotalDamage, Is.Zero);
+                    Assert.That(sDamageableComponent.TryGetDamage(@class, out classDamage), Is.True);
+                    Assert.That(classDamage, Is.Zero);
+
+                    foreach (var type in types)
+                    {
+                        Assert.That(sDamageableComponent.TryGetDamage(type, out var typeDamage), Is.True);
+                        Assert.That(typeDamage, Is.Zero);
+                    }
+                }
+            });
+        }
+    }
+}

Content.Shared/Damage/DamageContainer/DamageContainerPrototype.cs

@@ -15,6 +15,7 @@ namespace Content.Shared.Damage.DamageContainer
     [Serializable, NetSerializable]
     public class DamageContainerPrototype : IPrototype, IIndexedPrototype
     {
+        private bool _supportAll;
         private HashSet<DamageClass> _supportedClasses;
         private HashSet<DamageType> _supportedTypes;
         private string _id;
@@ -31,18 +32,26 @@ namespace Content.Shared.Damage.DamageContainer
             var serializer = YamlObjectSerializer.NewReader(mapping);
 
             serializer.DataField(ref _id, "id", string.Empty);
+            serializer.DataField(ref _supportAll, "supportAll", false);
             serializer.DataField(ref _supportedClasses, "supportedClasses", new HashSet<DamageClass>());
             serializer.DataField(ref _supportedTypes, "supportedTypes", new HashSet<DamageType>());
 
-            var originalTypes = _supportedTypes.ToArray();
+            if (_supportAll)
+            {
+                _supportedClasses.UnionWith(Enum.GetValues<DamageClass>());
+                _supportedTypes.UnionWith(Enum.GetValues<DamageType>());
+                return;
+            }
 
             foreach (var supportedClass in _supportedClasses)
+            {
                 foreach (var supportedType in supportedClass.ToTypes())
                 {
                     _supportedTypes.Add(supportedType);
                 }
+            }
 
-            foreach (var originalType in originalTypes)
+            foreach (var originalType in _supportedTypes)
             {
                 _supportedClasses.Add(originalType.ToClass());
             }

Content.Shared/Damage/DamageType.cs

@@ -58,6 +58,7 @@ namespace Content.Shared.Damage
             var classes = DamageClassExtensions.ToDictionary();
 
             foreach (var @class in classes.Keys.ToList())
+            {
                 foreach (var type in @class.ToTypes())
                 {
                     if (!types.TryGetValue(type, out var damage))
@@ -67,6 +68,7 @@ namespace Content.Shared.Damage
 
                     classes[@class] += damage;
                 }
+            }
 
             return classes;
         }

Content.Shared/GameObjects/Components/Damage/DamageableComponent.cs

@@ -135,7 +135,7 @@ namespace Content.Shared.GameObjects.Components.Damage
 
             // TODO DAMAGE Serialize damage done and resistance changes
             serializer.DataReadWriteFunction(
-                "damagePrototype",
+                "damageContainer",
                 DefaultDamageContainer,
                 prototype =>
                 {
@@ -151,7 +151,7 @@ namespace Content.Shared.GameObjects.Components.Damage
                 () => DamageContainerId);
 
             serializer.DataReadWriteFunction(
-                "resistancePrototype",
+                "resistances",
                 DefaultResistanceSet,
                 prototype =>
                 {
@@ -343,7 +343,7 @@ namespace Content.Shared.GameObjects.Components.Damage
             {
                 // Changing multiple types is a bit more complicated. Might be a better way (formula?) to do this,
                 // but essentially just loops between each damage category until all healing is used up.
-                var healingLeft = amount;
+                var healingLeft = -amount;
                 var healThisCycle = 1;
 
                 // While we have healing left...
@@ -354,11 +354,11 @@ namespace Content.Shared.GameObjects.Components.Damage
                     healThisCycle = 0;
 
                     int healPerType;
-                    if (healingLeft > -types.Count)
+                    if (healingLeft < types.Count)
                     {
                         // Say we were to distribute 2 healing between 3
                         // this will distribute 1 to each (and stop after 2 are given)
-                        healPerType = -1;
+                        healPerType = 1;
                     }
                     else
                     {
@@ -369,10 +369,11 @@ namespace Content.Shared.GameObjects.Components.Damage
 
                     foreach (var type in types)
                     {
-                        var healAmount =
-                            Math.Max(Math.Max(healPerType, -GetDamage(type)), healingLeft);
+                        var damage = GetDamage(type);
+                        var healAmount = Math.Min(healingLeft, damage);
+                        healAmount = Math.Min(healAmount, healPerType);
 
-                        ChangeDamage(type, healAmount, true);
+                        ChangeDamage(type, -healAmount, true);
                         healThisCycle += healAmount;
                         healingLeft -= healAmount;
                     }

Content.Shared/GameObjects/Components/Damage/IDamageableComponent.cs

@@ -70,6 +70,16 @@ namespace Content.Shared.GameObjects.Components.Damage
         /// </returns>
         bool TryGetDamage(DamageType type, out int damage);
 
+        /// <summary>
+        ///     Gets the amount of damage of a class.
+        /// </summary>
+        /// <param name="class">The class to get the damage of.</param>
+        /// <param name="damage">The amount of damage of that class.</param>
+        /// <returns>
+        ///     True if the given <see cref="@class"/> is supported, false otherwise.
+        /// </returns>
+        bool TryGetDamage(DamageClass @class, out int damage);
+
         /// <summary>
         ///     Changes the specified <see cref="DamageType"/>, applying
         ///     resistance values only if it is damage.

Resources/Prototypes/Damage/damage_containers.yml

@@ -1,3 +1,7 @@
+- type: damageContainer
+  id: allDamageContainer
+  supportAll: true
+
 - type: damageContainer
   id: biologicalDamageContainer
   supportedClasses:

Resources/Prototypes/Entities/Mobs/Species/human.yml

@@ -141,7 +141,7 @@
     preset: HumanPreset
     centerSlot: torso
   - type: Damageable
-    damagePrototype: biologicalDamageContainer
+    damageContainer: biologicalDamageContainer
   - type: Metabolism
     metabolismHeat: 5000
     radiatedHeat: 400
@@ -305,7 +305,7 @@
       preset: HumanPreset
       centerSlot: torso
     - type: Damageable
-      damagePrototype: biologicalDamageContainer
+      damageContainer: biologicalDamageContainer
     - type: MobState
       thresholds:
         0: !type:NormalMobState {}