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Tidy Sync.

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This commit is contained in:
Paul Chote
2013-07-11 18:35:46 +12:00
parent 60f49b39d4
commit a49cc78c57
1 changed files with 58 additions and 115 deletions
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173
OpenRA.Game/Sync.cs
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@@ -9,6 +9,7 @@
#endregion
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Reflection.Emit;
@@ -22,19 +23,36 @@ namespace OpenRA
public static class Sync
{
static Cache<Type, Func<object, int>> hashFuncCache = new Cache<Type, Func<object, int>>( t => GenerateHashFunc( t ) );
static Cache<Type, Func<object, int>> hashFuncCache = new Cache<Type, Func<object, int>>(t => GenerateHashFunc(t));
public static int CalculateSyncHash( object obj )
public static int CalculateSyncHash(object obj)
{
return hashFuncCache[ obj.GetType() ]( obj );
return hashFuncCache[obj.GetType()](obj);
}
static Dictionary<Type, MethodInfo> hashFunctions = new Dictionary<Type, MethodInfo>()
{
{typeof(int2), ((Func<int2, int>)hash_int2).Method},
{typeof(CPos), ((Func<CPos, int>)hash_CPos).Method},
{typeof(CVec), ((Func<CVec, int>)hash_CVec).Method},
{typeof(PPos), ((Func<PPos, int>)hash_PPos).Method},
{typeof(PVecInt), ((Func<PVecInt, int>)hash_PVecInt).Method},
{typeof(PSubPos), ((Func<PSubPos, int>)hash_PSubPos).Method},
{typeof(PSubVec), ((Func<PSubVec, int>)hash_PSubVec).Method},
{typeof(WRange), ((Func<WRange, int>)hash<WRange>).Method},
{typeof(WPos), ((Func<WPos, int>)hash<WPos>).Method},
{typeof(WVec), ((Func<WVec, int>)hash<WVec>).Method},
{typeof(WAngle), ((Func<WAngle, int>)hash<WAngle>).Method},
{typeof(WRot), ((Func<WRot, int>)hash<WRot>).Method},
{typeof(TypeDictionary), ((Func<TypeDictionary, int>)hash_tdict).Method},
{typeof(Actor), ((Func<Actor, int>)hash_actor).Method},
{typeof(Player), ((Func<Player, int>)hash_player).Method},
};
static void EmitSyncOpcodes(Type type, ILGenerator il)
{
if (type == typeof(int))
{
il.Emit(OpCodes.Xor);
}
if (hashFunctions.ContainsKey(type))
il.EmitCall(OpCodes.Call, hashFunctions[type], null);
else if (type == typeof(bool))
{
var l = il.DefineLabel();
@@ -43,90 +61,13 @@ namespace OpenRA
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(CPos))
{
il.EmitCall(OpCodes.Call, ((Func<CPos, int>)hash_CPos).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(CVec))
{
il.EmitCall(OpCodes.Call, ((Func<CVec, int>)hash_CVec).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(PPos))
{
il.EmitCall(OpCodes.Call, ((Func<PPos, int>)hash_PPos).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(PVecInt))
{
il.EmitCall(OpCodes.Call, ((Func<PVecInt, int>)hash_PVecInt).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(PSubPos))
{
il.EmitCall(OpCodes.Call, ((Func<PSubPos, int>)hash_PSubPos).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(PSubVec))
{
il.EmitCall(OpCodes.Call, ((Func<PSubVec, int>)hash_PSubVec).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(WRange))
{
il.EmitCall(OpCodes.Call, ((Func<WRange, int>)hash<WRange>).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(WPos))
{
il.EmitCall(OpCodes.Call, ((Func<WPos, int>)hash<WPos>).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(WVec))
{
il.EmitCall(OpCodes.Call, ((Func<WVec, int>)hash<WVec>).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(WAngle))
{
il.EmitCall(OpCodes.Call, ((Func<WAngle, int>)hash<WAngle>).Method, null);
il.Emit(OpCodes.Xor);
}
else if (type == typeof(WRot))
{
il.EmitCall(OpCodes.Call, ((Func<WRot, int>)hash<WRot>).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
else if (type != typeof(int))
throw new NotImplementedException("SyncAttribute on member of unhashable type: {0}".F(type.FullName));
il.Emit(OpCodes.Xor);
}
public static Func<object, int> GenerateHashFunc(Type t)
@@ -160,29 +101,29 @@ namespace OpenRA
return (Func<object, int>)d.CreateDelegate(typeof(Func<object, int>));
}
public static int hash_int2( int2 i2 )
public static int hash_int2(int2 i2)
{
return ( ( i2.X * 5 ) ^ ( i2.Y * 3 ) ) / 4;
return ((i2.X * 5) ^ (i2.Y * 3)) / 4;
}
public static int hash_CPos( CPos i2 )
public static int hash_CPos(CPos i2)
{
return ( ( i2.X * 5) ^ ( i2.Y * 3 ) ) / 4;
return ((i2.X * 5) ^ (i2.Y * 3)) / 4;
}
public static int hash_CVec( CVec i2 )
public static int hash_CVec(CVec i2)
{
return ( ( i2.X * 5) ^ ( i2.Y * 3 ) ) / 4;
return ((i2.X * 5) ^ (i2.Y * 3)) / 4;
}
public static int hash_PPos( PPos i2 )
public static int hash_PPos(PPos i2)
{
return ( ( i2.X * 5) ^ ( i2.Y * 3 ) ) / 4;
return ((i2.X * 5) ^ (i2.Y * 3)) / 4;
}
public static int hash_PVecInt( PVecInt i2 )
public static int hash_PVecInt(PVecInt i2)
{
return ( ( i2.X * 5) ^ ( i2.Y * 3 ) ) / 4;
return ((i2.X * 5) ^ (i2.Y * 3)) / 4;
}
public static int hash_PSubPos(PSubPos i2)
@@ -195,25 +136,25 @@ namespace OpenRA
return ((i2.X * 5) ^ (i2.Y * 3)) / 4;
}
public static int hash_tdict( TypeDictionary d )
public static int hash_tdict(TypeDictionary d)
{
int ret = 0;
foreach( var o in d )
ret += CalculateSyncHash( o );
foreach (var o in d)
ret += CalculateSyncHash(o);
return ret;
}
public static int hash_actor( Actor a )
public static int hash_actor(Actor a)
{
if( a != null )
return (int)( a.ActorID << 16 );
if (a != null)
return (int)(a.ActorID << 16);
return 0;
}
public static int hash_player( Player p )
public static int hash_player(Player p)
{
if( p != null )
return (int)( p.PlayerActor.ActorID << 16 ) * 0x567;
if (p != null)
return (int)(p.PlayerActor.ActorID << 16) * 0x567;
return 0;
}
@@ -222,16 +163,18 @@ namespace OpenRA
return t.GetHashCode();
}
public static void CheckSyncUnchanged( World world, Action fn )
public static void CheckSyncUnchanged(World world, Action fn)
{
CheckSyncUnchanged( world, () => { fn(); return true; } );
CheckSyncUnchanged(world, () => { fn(); return true; });
}
static bool inUnsyncedCode = false;
public static T CheckSyncUnchanged<T>( World world, Func<T> fn )
public static T CheckSyncUnchanged<T>(World world, Func<T> fn)
{
if( world == null ) return fn();
if (world == null)
return fn();
var shouldCheckSync = Game.Settings.Debug.SanityCheckUnsyncedCode;
int sync = shouldCheckSync ? world.SyncHash() : 0;
bool prevInUnsyncedCode = inUnsyncedCode;
@@ -244,15 +187,15 @@ namespace OpenRA
finally
{
inUnsyncedCode = prevInUnsyncedCode;
if( shouldCheckSync && sync != world.SyncHash() )
throw new InvalidOperationException( "CheckSyncUnchanged: sync-changing code may not run here" );
if (shouldCheckSync && sync != world.SyncHash())
throw new InvalidOperationException("CheckSyncUnchanged: sync-changing code may not run here");
}
}
public static void AssertUnsynced( string message )
public static void AssertUnsynced(string message)
{
if( !inUnsyncedCode )
throw new InvalidOperationException( message );
if (!inUnsyncedCode)
throw new InvalidOperationException(message);
}
}
}