AlicizaX/DragonECS-AutoInjections
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add Auto injection for EcsQuery

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This commit is contained in:
Mikhail 2023-04-07 17:16:01 +08:00
parent 1a2bd2bea2
commit 344b15a206
1 changed files with 40 additions and 0 deletions
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40
src/EcsQuery/EcsQueryDI.cs Normal file
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using System;
using System.Reflection;
namespace DCFApixels.DragonECS
{
public class EcsQueryDI<TWorldArhetype> :EcsQuery<TWorldArhetype> where TWorldArhetype : EcsWorld<TWorldArhetype>
{
protected override void Init(Builder b)
{
Type builderType= b.GetType();
MethodInfo incluedMethod= builderType.GetMethod("Include", BindingFlags.Instance| BindingFlags.Public);
MethodInfo excludeMethod= builderType.GetMethod("Exclude", BindingFlags.Instance| BindingFlags.Public);
MethodInfo optionalMethod= builderType.GetMethod("Optional", BindingFlags.Instance| BindingFlags.Public);
Type thisType = GetType();
FieldInfo[] fieldInfos = thisType.GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
foreach (FieldInfo fieldInfo in fieldInfos)
{
Type fiedlType = fieldInfo.FieldType;
if (fiedlType.IsGenericType == false)
continue;
Type fiedlTypeDefinition = fiedlType.GetGenericTypeDefinition();
Type genericArg = fiedlType.GenericTypeArguments[0];
if (fiedlTypeDefinition == typeof(inc<>))
{
fieldInfo.SetValue(this, incluedMethod.MakeGenericMethod(genericArg).Invoke(b, null));
}
if(fiedlTypeDefinition == typeof(exc<>))
{
fieldInfo.SetValue(this, excludeMethod.MakeGenericMethod(genericArg).Invoke(b, null));
}
if (fiedlTypeDefinition == typeof(opt<>))
{
fieldInfo.SetValue(this, optionalMethod.MakeGenericMethod(genericArg).Invoke(b, null));
}
}
}
}
}