epic/OpenRA
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

enhance sync to work with nested syncable types, and properties

Browse Source
This commit is contained in:
Chris Forbes
2010-06-15 01:15:41 +12:00
parent 06a78cd73d
commit 0e0a8802ab
1 changed files with 71 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

93
OpenRA.Game/Sync.cs
View File

@@ -37,6 +37,51 @@ namespace OpenRA
return hashFuncCache[ obj.GetType() ]( obj );
}
static void EmitSyncOpcodes(Type type, ILGenerator il)
{
if (type == typeof(int))
{
il.Emit(OpCodes.Xor);
}
else if (type == typeof(bool))
{
var l = il.DefineLabel();
il.Emit(OpCodes.Ldc_I4, 0xaaa);
il.Emit(OpCodes.Brtrue, l);
il.Emit(OpCodes.Pop);
il.Emit(OpCodes.Ldc_I4, 0x555);
il.MarkLabel(l);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(int2))
{
il.EmitCall(OpCodes.Call, ((Func<int2, int>)hash_int2).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(TypeDictionary))
{
il.EmitCall(OpCodes.Call, ((Func<TypeDictionary, int>)hash_tdict).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(Actor))
{
il.EmitCall(OpCodes.Call, ((Func<Actor, int>)hash_actor).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(Player))
{
il.EmitCall(OpCodes.Call, ((Func<Player, int>)hash_player).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type.HasAttribute<SyncAttribute>())
{
il.EmitCall(OpCodes.Call, ((Func<object, int>)CalculateSyncHash).Method, null);
il.Emit(OpCodes.Xor);
}
else
throw new NotImplementedException("SyncAttribute on member of unhashable type: {0}".F(type.FullName));
}
public static Func<object, int> GenerateHashFunc(Type t)
{
var d = new DynamicMethod("hash_{0}".F(t.Name), typeof(int), new Type[] { typeof(object) }, t);
@@ -48,47 +93,20 @@ namespace OpenRA
il.Emit(OpCodes.Ldc_I4_0);
const BindingFlags bf = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance;
foreach( var field in t.GetFields( bf ).Where( x => x.GetCustomAttributes( typeof( SyncAttribute ), true ).Length != 0 ) )
foreach (var field in t.GetFields(bf).Where(x => x.HasAttribute<SyncAttribute>()))
{
il.Emit(OpCodes.Ldloc, this_);
il.Emit(OpCodes.Ldfld, field);
if( field.FieldType == typeof( int ) )
{
il.Emit( OpCodes.Xor );
EmitSyncOpcodes(field.FieldType, il);
}
else if( field.FieldType == typeof( bool ) )
foreach (var prop in t.GetProperties(bf).Where(x => x.HasAttribute<SyncAttribute>()))
{
var l = il.DefineLabel();
il.Emit( OpCodes.Ldc_I4, 0xaaa );
il.Emit( OpCodes.Brtrue, l );
il.Emit( OpCodes.Pop );
il.Emit( OpCodes.Ldc_I4, 0x555 );
il.MarkLabel( l );
il.Emit( OpCodes.Xor );
}
else if( field.FieldType == typeof( int2 ) )
{
il.EmitCall( OpCodes.Call, ( (Func<int2, int>)hash_int2 ).Method, null );
il.Emit( OpCodes.Xor );
}
else if( field.FieldType == typeof( TypeDictionary ) )
{
il.EmitCall( OpCodes.Call, ( (Func<TypeDictionary, int>)hash_tdict ).Method, null );
il.Emit( OpCodes.Xor );
}
else if( field.FieldType == typeof( Actor ) )
{
il.EmitCall( OpCodes.Call, ( (Func<Actor, int>)hash_actor ).Method, null );
il.Emit( OpCodes.Xor );
}
else if( field.FieldType == typeof( Player ) )
{
il.EmitCall( OpCodes.Call, ( (Func<Player, int>)hash_player ).Method, null );
il.Emit( OpCodes.Xor );
}
else
throw new NotImplementedException( "SyncAttribute on unhashable field" );
il.Emit(OpCodes.Ldloc, this_);
il.EmitCall(OpCodes.Call, prop.GetGetMethod(), null);
EmitSyncOpcodes(prop.PropertyType, il);
}
il.Emit(OpCodes.Ret);
@@ -121,5 +139,10 @@ namespace OpenRA
return p.Index * 0x567;
return 0;
}
static bool HasAttribute<T>( this MemberInfo mi )
{
return mi.GetCustomAttributes(typeof(T), true).Length != 0;
}
}
}