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deep diving into the ecs

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This commit is contained in:
Dylan Wilson
2017-11-30 20:55:05 +10:00
parent 97b7a32311
commit 8dd279cbe8
17 changed files with 148 additions and 330 deletions
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Source/MonoGame.Extended.Entities/EntityComponentSystem.cs
+25 -40
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@@ -34,6 +34,8 @@ using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using Microsoft.Xna.Framework;
using MonoGame.Extended.Animations;
using MonoGame.Extended.Sprites;
namespace MonoGame.Extended.Entities
{
@@ -55,48 +57,31 @@ namespace MonoGame.Extended.Entities
// don't call this every frame, lol
public void Scan(params Assembly[] assemblies)
{
var componentTypeInfos = new List<TypeInfo>();
var entityTemplateTypeInfos = new List<TypeInfo>();
var systemTypeInfos = new List<TypeInfo>();
var componentTypeInfo = typeof(EntityComponent).GetTypeInfo();
var systemTypeInfo = typeof(EntitySystem).GetTypeInfo();
var entityTempalteTypeInfo = typeof(EntityTemplate).GetTypeInfo();
foreach (var assembly in assemblies)
{
var typeInfos = assembly.ExportedTypes.Select(x => x.GetTypeInfo()).ToArray();
foreach (var typeInfo in typeInfos)
var exportedTypes = assemblies
.Concat(new []
{
var isComponent = componentTypeInfo.IsAssignableFrom(typeInfo);
if (isComponent)
{
componentTypeInfos.Add(typeInfo);
continue;
}
typeof(Sprite).GetTypeInfo().Assembly,
typeof(AnimatedSprite).GetTypeInfo().Assembly
})
.SelectMany(a => a.ExportedTypes)
.Select(x => x.GetTypeInfo())
.ToArray();
var isSystem = systemTypeInfo.IsAssignableFrom(typeInfo);
if (isSystem)
{
systemTypeInfos.Add(typeInfo);
continue;
}
var componentTypes = exportedTypes
.Where(t => t.IsDefined(typeof(EntityComponentAttribute)))
.ToList();
var isEntityTemplate = entityTempalteTypeInfo.IsAssignableFrom(typeInfo);
// ReSharper disable once InvertIf
if (isEntityTemplate)
{
entityTemplateTypeInfos.Add(typeInfo);
// ReSharper disable once RedundantJumpStatement
continue;
}
}
}
var systemTypes = exportedTypes
.Where(t => typeof(EntitySystem).GetTypeInfo().IsAssignableFrom(t))
.ToList();
var templateTypes = exportedTypes
.Where(t => typeof(EntityTemplate).GetTypeInfo().IsAssignableFrom(t))
.ToList();
var registeredComponentCount = RegisterComponents(componentTypeInfos);
RegisterEntityTemplates(entityTemplateTypeInfos);
CreateSystems(systemTypeInfos, registeredComponentCount);
var registeredComponentCount = RegisterComponents(componentTypes);
RegisterEntityTemplates(templateTypes);
CreateSystems(systemTypes, registeredComponentCount);
}
private int RegisterComponents(List<TypeInfo> componentTypeInfos)
@@ -226,11 +211,11 @@ namespace MonoGame.Extended.Entities
var system = _dependencyResolver.Resolve<EntitySystem>(typeInfo.AsType());
var processingSystem = system as EntityProcessingSystem;
if (processingSystem != null)
processingSystem.Aspect = new Aspect(andMask, orMask, norMask);
_systemManager.AddSystem(system, systemAttribute.GameLoopType,
systemAttribute.Layer, SystemExecutionType.Synchronous);
_systemManager.AddSystem(system, systemAttribute.GameLoopType, systemAttribute.Layer, SystemExecutionType.Synchronous);
}
}