65 lines
2.5 KiB
C#
65 lines
2.5 KiB
C#
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using System;
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using System.CodeDom;
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using System.Collections.Generic;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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using Gamecraft.Tweaks;
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using Svelto.ECS;
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namespace CodeGenerator
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{
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public class ECSAnalyzer
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{
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public static ECSClassInfo AnalyzeEntityDescriptor(Type entityDescriptorType)
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{
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// TODO: Add support for creating/deleting entities (getting an up to date server/client engines root)
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var templateType = typeof(EntityDescriptorTemplate<>).MakeGenericType(entityDescriptorType);
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var getTemplateClass = Expression.Constant(templateType);
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var getDescriptorExpr = Expression.PropertyOrField(getTemplateClass, "descriptor");
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var getTemplateDescriptorExpr =
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Expression.Lambda<Func<IEntityDescriptor>>(getDescriptorExpr);
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var getTemplateDescriptor = getTemplateDescriptorExpr.Compile();
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var builders = getTemplateDescriptor().componentsToBuild;
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return new ECSClassInfo
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{
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Name = entityDescriptorType.Name.Replace("EntityComponent", "").Replace("EntityStruct", ""),
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Properties = builders.Select(builder => builder.GetEntityComponentType()).SelectMany(AnalyzeFields).ToArray()
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};
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}
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private static ECSPropertyInfo[] AnalyzeFields(Type componentType)
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{
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bool useReflection = componentType.IsNotPublic;
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var result = new List<ECSPropertyInfo>();
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foreach (var field in componentType.GetFields())
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{
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var attr = field.GetCustomAttribute<TweakableStatAttribute>();
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string propName = field.Name;
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if (attr != null)
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propName = attr.propertyName;
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propName = char.ToUpper(propName[0]) + propName[1..];
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if (useReflection)
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{
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result.Add(new ECSReflectedPropertyInfo
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{
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Name = propName,
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Type = field.FieldType,
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OriginalClassName = componentType.FullName,
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ComponentType = componentType
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});
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}
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result.Add(new ECSPropertyInfo
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{
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Name = propName,
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Type = field.FieldType,
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ComponentType = componentType
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});
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}
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return result.ToArray();
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}
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}
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}
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