initial JIT preload

encompass-cs/ComponentUpdateManager.cs

@@ -18,6 +18,7 @@ namespace Encompass
             existingAndPendingComponentStore.RegisterComponentType<TComponent>();
             existingComponentStore.RegisterComponentType<TComponent>();
             pendingComponentStore.RegisterComponentType<TComponent>();
+            UpToDateComponentStore.RegisterComponentType<TComponent>();
         }
 
         internal void Clear()

encompass-cs/DrawLayerManager.cs

@@ -16,6 +16,11 @@ namespace Encompass
 
         public IEnumerable<int> LayerOrder { get { return layerOrder.Values; } }
 
+        public DrawLayerManager()
+        {
+            RegisterDrawLayer(0);
+        }
+
         public void RegisterDrawLayer(int layer)
         {
             if (!layerIndexToComponentStore.ContainsKey(layer))
@@ -27,8 +32,12 @@ namespace Encompass
         }
 
         public void RegisterOrderedDrawable<TComponent>() where TComponent : struct, IComponent
+        {
+            if (!typeToEntityToLayer.ContainsKey(typeof(TComponent)))
             {
                 typeToEntityToLayer.Add(typeof(TComponent), new Dictionary<Entity, int>(128));
+            }
+
             foreach (var pair in layerIndexToComponentStore)
             {
                 pair.Value.RegisterComponentType<TComponent>();

encompass-cs/UberEngine.cs

@@ -1,33 +1,60 @@
 using System;
+using System.Collections.Generic;
 using System.Reflection;
 
 namespace Encompass
 {
     internal class UberEngine : Engine
     {
+        private IEnumerable<Type> _componentTypes;
+        private Entity _entity;
+
+        public UberEngine(Entity entity, IEnumerable<Type> componentTypes)
+        {
+            _componentTypes = componentTypes;
+            readTypes.UnionWith(componentTypes);
+            writeTypes.UnionWith(componentTypes);
+            _entity = entity;
+        }
+
+        public void Write()
+        {
+            foreach (var type in _componentTypes)
+            {
+                var instanceParam = new object[] { _entity, Activator.CreateInstance(type) };
+                var setComponentMethod = typeof(Engine).GetMethod("SetComponent", BindingFlags.NonPublic | BindingFlags.Instance);
+                var genericSetComponentMethod = setComponentMethod.MakeGenericMethod(type);
+                genericSetComponentMethod.Invoke(this, instanceParam);
+            }
+        }
+
         public override void Update(double dt)
         {
-            foreach (var type in readTypes)
+            foreach (var type in _componentTypes)
             {
-                var instanceParam = new object[] { Activator.CreateInstance(type) };
+                CallGenericMethod(type, "ReadComponent", null);
-
+                CallGenericMethod(type, "ReadComponentIncludingEntity", null);
-                CallMethodByName(type, "ReadComponent", null);
+                CallGenericMethod(type, "ReadComponents", null);
-                CallMethodByName(type, "ReadComponentIncludingEntity", null);
+                CallGenericMethod(type, "ReadComponentsIncludingEntity", null);
-                CallMethodByName(type, "ReadComponents", null);
+                CallGenericMethod(type, "GetComponent", new Type[] { typeof(Entity) }, new object[] { _entity });
-                CallMethodByName(type, "ReadComponentsIncludingEntity", null);
+                CallGenericMethod(type, "HasComponent", new Type[] { typeof(Entity) }, new object[] { _entity });
-                CallMethodByName(type, "GetComponent", null);
+                CallGenericMethod(type, "SomeComponent", null);
-                CallMethodByName(type, "SetComponent", instanceParam);
+                CallGenericMethod(type, "RemoveComponent", new Type[] { typeof(Entity) }, new object[] { _entity });
-                CallMethodByName(type, "HasComponent", null);
+                CallGenericMethod(type, "DestroyWith", null);
-                CallMethodByName(type, "SomeComponent", null);
+                CallGenericMethod(type, "DestroyAllWith", null);
-                CallMethodByName(type, "RemoveComponent", null);
-                CallMethodByName(type, "DestroyWith", null);
-                CallMethodByName(type, "DestroyAllWith", null);
             }
         }
 
-        private void CallMethodByName(Type type, string methodName, object[] parameters)
+        private void CallGenericMethod(Type type, string methodName, object[] parameters)
         {
-            var readComponentMethod = typeof(WorldBuilder).GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Instance);
+            var readComponentMethod = typeof(Engine).GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Instance);
+            var genericReadComponentMethod = readComponentMethod.MakeGenericMethod(type);
+            genericReadComponentMethod.Invoke(this, parameters);
+        }
+
+        private void CallGenericMethod(Type type, string methodName, Type[] types, object[] parameters)
+        {
+            var readComponentMethod = typeof(Engine).GetMethod(methodName, BindingFlags.NonPublic | BindingFlags.Instance, null, types, null);
             var genericReadComponentMethod = readComponentMethod.MakeGenericMethod(type);
             genericReadComponentMethod.Invoke(this, parameters);
         }

encompass-cs/WorldBuilder.cs

@@ -78,6 +78,7 @@ namespace Encompass
         public void SetComponent<TComponent>(Entity entity, TComponent component) where TComponent : struct, IComponent
         {
             RegisterComponentType<TComponent>();
+            componentTypesToRegister.Add(typeof(TComponent));
 
             startingComponentStoreForComponentManager.Set(entity, component);
             startingComponentStoreForComponentUpdateManager.Set(entity, component);
@@ -85,6 +86,7 @@ namespace Encompass
             if (component is IDrawableComponent drawableComponent)
             {
                 componentManager.RegisterDrawableComponent(entity, component, drawableComponent.Layer);
+                drawLayerManager.RegisterOrderedDrawable<TComponent>();
             }
         }
 
@@ -350,6 +352,8 @@ namespace Encompass
                 engineOrder.Add(emitterEngine);
             }
 
+            PreloadJIT(componentTypesToRegister);
+
             foreach (var engine in engineGraph.TopologicalSort())
             {
                 engineOrder.Add(engine);
@@ -377,14 +381,67 @@ namespace Encompass
         /// </summary>
         private void PreloadJIT(IEnumerable<Type> componentTypes)
         {
-            var dummyWorldBuilder = new WorldBuilder();
+            var dummyTimeManager = new TimeManager();
+            var dummyMessageManager = new MessageManager(dummyTimeManager);
+            var dummyDrawLayerManager = new DrawLayerManager();
+            var dummyComponentUpdateManager = new ComponentUpdateManager();
+            var dummyComponentManager = new ComponentManager(dummyDrawLayerManager, dummyComponentUpdateManager);
+            var dummyEntityManager = new EntityManager(dummyComponentManager);
+            var dummyRenderManager = new RenderManager(dummyDrawLayerManager);
 
-            dummyWorldBuilder.AddEngine(new UberEngine());
+            var prepEngineOrder = new List<Engine>();
+            var uberEngine = new UberEngine(dummyEntityManager.CreateEntity(), componentTypes);
 
-            var dummyWorld = dummyWorldBuilder.Build();
+            uberEngine.AssignEntityManager(dummyEntityManager);
+            uberEngine.AssignComponentManager(dummyComponentManager);
+            uberEngine.AssignMessageManager(dummyMessageManager);
+            uberEngine.AssignComponentUpdateManager(dummyComponentUpdateManager);
+            uberEngine.AssignTimeManager(dummyTimeManager);
+
+            foreach (var type in componentTypes)
+            {
+                var componentManagerRegisterMethod = typeof(ComponentManager).GetMethod("RegisterComponentType");
+                var componentManagerRegisterGenericMethod = componentManagerRegisterMethod.MakeGenericMethod(type);
+                componentManagerRegisterGenericMethod.Invoke(dummyComponentManager, null);
+
+                var componentUpdateManagerRegisterMethod = typeof(ComponentUpdateManager).GetMethod("RegisterComponentType");
+                var componentUpdateManagerRegisterGenericMethod = componentUpdateManagerRegisterMethod.MakeGenericMethod(type);
+                componentUpdateManagerRegisterGenericMethod.Invoke(dummyComponentUpdateManager, null);
+
+                if (type.GetInterface("IDrawableComponent") != null)
+                {
+                    var drawLayerManagerRegisterMethod = typeof(DrawLayerManager).GetMethod("RegisterOrderedDrawable");
+                    var drawLayerManagerRegisterGenericMethod = drawLayerManagerRegisterMethod.MakeGenericMethod(type);
+                    drawLayerManagerRegisterGenericMethod.Invoke(dummyDrawLayerManager, null);
+                }
+
+                var emitterEngine = (Engine)Activator.CreateInstance(typeof(ComponentEmitter<>).MakeGenericType(type));
+                emitterEngine.AssignEntityManager(dummyEntityManager);
+                emitterEngine.AssignComponentManager(dummyComponentManager);
+                emitterEngine.AssignMessageManager(dummyMessageManager);
+                emitterEngine.AssignComponentUpdateManager(dummyComponentUpdateManager);
+                emitterEngine.AssignTimeManager(dummyTimeManager);
+
+                prepEngineOrder.Add(emitterEngine);
+            }
+
+            prepEngineOrder.Add(uberEngine);
+
+            var dummyWorld = new World(
+                prepEngineOrder,
+                dummyEntityManager,
+                dummyComponentManager,
+                dummyMessageManager,
+                dummyComponentUpdateManager,
+                dummyTimeManager,
+                dummyRenderManager
+             );
+
+            uberEngine.Write();
+            dummyComponentManager.WriteComponents();
+            dummyComponentUpdateManager.Clear();
 
             dummyWorld.Update(1);
-            dummyWorld.Draw();
         }
     }
 }

test/OrderedRendererTest.cs

@@ -48,6 +48,8 @@ namespace Tests
         public void RenderMethodCalledOnWorldDraw()
         {
             var worldBuilder = new WorldBuilder();
+            worldBuilder.RegisterDrawLayer(2);
+
             var renderer = worldBuilder.AddOrderedRenderer(new CalledRenderer());
 
             AComponent aComponent;
@@ -86,6 +88,8 @@ namespace Tests
             calledOnDraw = false;
 
             var worldBuilder = new WorldBuilder();
+            worldBuilder.RegisterDrawLayer(1);
+
             worldBuilder.AddEngine(new DestroyerEngine());
             var renderer = worldBuilder.AddOrderedRenderer(new CalledRenderer());
 

test/WorldTest.cs

@@ -39,6 +39,12 @@ namespace Tests
         public void DrawOrder()
         {
             var worldBuilder = new WorldBuilder();
+            worldBuilder.RegisterDrawLayer(1);
+            worldBuilder.RegisterDrawLayer(2);
+            worldBuilder.RegisterDrawLayer(3);
+            worldBuilder.RegisterDrawLayer(4);
+            worldBuilder.RegisterDrawLayer(7);
+
             worldBuilder.AddOrderedRenderer(new TestEntityRenderer());
             var testGeneralRenderer = worldBuilder.AddGeneralRenderer(new TestGeneralRenderer(), 7);