/// <summary>
/// 解释执行1个方法
/// </summary>
/// <param name="methodInfo"></param>
public void interpret(MemberInfo methodInfo)
{
Code code = GetCode(methodInfo);
ushort maxStack = code.MaxStack;
ushort maxLocals = code.MaxLocals;
byte[] byteCode = code.CodeData;
VMThread thread = new VMThread();
thread.Pc = 0;
Frame frame = thread.CreateFrame(maxLocals, maxStack);
thread.Push(frame);
while (true)
{
byte operateCode = ByteCodeReader.ReadOperateCode(thread, byteCode);
Instruction instruction = Instruction.GetInstruction(operateCode);
if (instruction == null)
{
if (Switchs.DebugInterpret)
{
Console.Out.WriteLine("缺少指令：" + BitConverter.ToString(new byte[] { operateCode }));
}
throw new Exception("No shuch instruction error");
}
instruction.Execute(thread, byteCode, frame);
}
}
public void ThreadIdle(VMThread thread)
{
ThreadEvents.Add(new VMStateChangeEvent {
NewState = VMThreadState.Idle,
Thread = thread
});
}
public static short ReadShort(VMThread thread, byte[] byteCode)
{
byte high = ReadU1(thread, byteCode);
byte low = ReadU1(thread, byteCode);
return((short)((high << 8) | low));
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
int value2 = frame.OperandStack.PopInt();
int value1 = frame.OperandStack.PopInt();
frame.OperandStack.PushInt(value1 * value2);
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
byte[] bytes = this.FetchOperands(thread, byteCode);
int val = (bytes[0] << 8) | bytes[1];
frame.OperandStack.PushInt(val);
}
public void ThreadRemove(VMThread thread)
{
ThreadEvents.Add(new VMStateChangeEvent
{
NewState = VMThreadState.Removed,
Thread = thread
});
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
//操作数栈
OperandStack operandStack = frame.OperandStack;
//操作数栈顶存入0
operandStack.PushInt(0);
}
public static byte[] ReadBytes(VMThread thread, byte[] byteCode, int n)
{
byte[] result = new byte[n];
for (int i = 0; i < n; i++)
{
result[i] = byteCode[thread.Pc++];
}
return(result);
}
public override VMPrimitiveExitCode Execute(VMStackFrame context, VMPrimitiveOperand args)
{
var operand = (VMRunFunctionalTreeOperand)args;
var entry = VMFindBestObjectForFunction.FunctionToEntryPoint[operand.Function];
var ent = context.StackObject;
if (ent.EntryPoints[entry].ActionFunction != 0)
{
bool Execute;
if (ent.EntryPoints[entry].ConditionFunction != 0) //check if we can definitely execute this...
{
var Behavior = ent.GetBHAVWithOwner(ent.EntryPoints[entry].ConditionFunction, context.VM.Context);
Execute = (VMThread.EvaluateCheck(context.VM.Context, context.Caller, new VMQueuedAction()
{
Callee = ent,
CodeOwner = Behavior.owner,
StackObject = ent,
Routine = context.VM.Assemble(Behavior.bhav),
}) == VMPrimitiveExitCode.RETURN_TRUE);
}
else
{
Execute = true;
}
if (Execute)
{
//push it onto our stack, except now the stack object owns our soul!
var Behavior = ent.GetBHAVWithOwner(ent.EntryPoints[entry].ActionFunction, context.VM.Context);
var routine = context.VM.Assemble(Behavior.bhav);
var childFrame = new VMStackFrame
{
Routine = routine,
Caller = context.Caller,
Callee = ent,
CodeOwner = Behavior.owner,
StackObject = ent
};
if (operand.Flags > 0)
{
context.Thread.Queue[0].IconOwner = context.StackObject;
}
childFrame.Args = new short[routine.Arguments];
context.Thread.Push(childFrame);
return(VMPrimitiveExitCode.CONTINUE);
}
else
{
return(VMPrimitiveExitCode.GOTO_FALSE);
}
}
else
{
return(VMPrimitiveExitCode.GOTO_FALSE);
}
}
public override IEnumerable<Item> Perform(IEnumerable<Item> items, IEnumerable<Item> modifierItems)
{
VMItem vm = items.First () as VMItem;
VMThread thread = new VMThread("VBoxManage", "snapshot " + vm.Uuid + " discardcurrent -state", vm.Status, ref vm);
Thread t = new Thread (new ThreadStart(thread.DoAction));
t.IsBackground = true;
t.Start();
yield break;
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
int value2 = frame.OperandStack.PopInt();
int value1 = frame.OperandStack.PopInt();
if (value2 == 0)
{
throw new Exception("Div by zero exception");
}
frame.OperandStack.PushInt(value1 / value2);
}
public virtual void Init(VMContext context)
{
GenerateTreeByName(context);
this.Thread = new VMThread(context, this, this.Object.OBJ.StackSize);
ExecuteEntryPoint(0, context);
if (Object.OBJ.GUID == 0x98E0F8BD || Object.OBJ.GUID == 0x5D7B6688) //let aquarium & flowers run main
{
ExecuteEntryPoint(1, context);
}
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
//操作数栈
OperandStack operandStack = frame.OperandStack;
//局部变量表
LocalVarsTable localVarsTable = frame.LocalVars;
//弹出操作数栈顶元素
int val = operandStack.PopInt();
//存入局部变量表0号位置
localVarsTable.PutInt(0, val);
}
public virtual void Init(VMContext context)
{
GenerateTreeByName(context);
this.Thread = new VMThread(context,this,this.Object.OBJ.StackSize);
ExecuteEntryPoint(0,context,true); //Init
//ExecuteEntryPoint(11, context); //User Placement
//if (Object.OBJ.GUID == 0x98E0F8BD || Object.OBJ.GUID == 0x5D7B6688 || Object.OBJ.GUID == 0x24C95F99) //let aquarium & flowers run main
//{
ExecuteEntryPoint(1,context,false);
//}
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
//操作数栈
OperandStack operandStack = frame.OperandStack;
//局部变量表
LocalVarsTable localVarsTable = frame.LocalVars;
//取局部变量
Slot value = localVarsTable.Get(0);
//入操作数栈
operandStack.PushObjectRef(value.ObjectRef);
}
public override IEnumerable<Item> Perform(IEnumerable<Item> items, IEnumerable<Item> modifierItems)
{
foreach (Item i in items)
{
VMItem vm = (i as VMItem);
VMThread thread = new VMThread(VMState.saved, ref vm);
Thread t = new Thread (new ThreadStart(thread.DoAction));
t.IsBackground = true;
t.Start();
}
yield break;
}
public override VMPrimitiveExitCode Execute(VMStackFrame context)
{
var operand = context.GetCurrentOperand <VMFindBestObjectForFunctionOperand>();
var entities = context.VM.Entities;
var entry = VMFindBestObjectForFunction.FunctionToEntryPoint[operand.Function];
for (int i = 0; i < entities.Count; i++)
{
var ent = entities[i];
if (ent.ObjectData[(int)VMStackObjectVariable.LockoutCount] > 0)
{
continue; //this object is not important!!!
}
if (ent.EntryPoints[entry].ActionFunction != 0)
{
bool Execute;
if (ent.EntryPoints[entry].ConditionFunction != 0)
{
var Behavior = ent.GetBHAVWithOwner(ent.EntryPoints[entry].ConditionFunction, context.VM.Context);
var test = VMThread.EvaluateCheck(context.VM.Context, context.Caller, new VMQueuedAction()
{
Callee = ent,
CodeOwner = Behavior.owner,
StackObject = ent,
Routine = context.VM.Assemble(Behavior.bhav),
});
Execute = (test == VMPrimitiveExitCode.RETURN_TRUE);
}
else
{
Execute = true;
}
if (Execute)
{
//we can run this, it's suitable, yes I'LL TAKE IT
context.StackObject = ent;
return(VMPrimitiveExitCode.GOTO_TRUE);
}
//if not just keep searching
}
}
return(VMPrimitiveExitCode.GOTO_FALSE); //couldn't find an object! :'(
}
// End Container SLOTs interface
public List <VMPieMenuInteraction> GetPieMenu(VM vm,VMEntity caller)
{
var pie = new List <VMPieMenuInteraction>();
if (TreeTable == null)
{
return(pie);
}
for (int i = 0; i < TreeTable.Interactions.Length; i++)
{
var action = TreeTable.Interactions[i];
bool CanRun = false;
if (action.TestFunction != 0 && (((TTABFlags)action.Flags & TTABFlags.Debug) != TTABFlags.Debug))
{
caller.ObjectData[(int)VMStackObjectVariable.HideInteraction] = 0;
var Behavior = GetBHAVWithOwner(action.TestFunction,vm.Context);
CanRun = (VMThread.EvaluateCheck(vm.Context,caller,new VMQueuedAction()
{
Callee = this,
CodeOwner = Behavior.owner,
StackObject = this,
Routine = vm.Assemble(Behavior.bhav),
}) == VMPrimitiveExitCode.RETURN_TRUE);
if (caller.ObjectData[(int)VMStackObjectVariable.HideInteraction] == 1)
{
CanRun = false;
}
}
else
{
CanRun = true;
}
if (CanRun)
{
pie.Add(new VMPieMenuInteraction()
{
Name = TreeTableStrings.GetString((int)action.TTAIndex),
ID = (byte)action.TTAIndex
});
}
}
return(pie);
}
public virtual void Init(VMContext context)
{
GenerateTreeByName(context);
if (!GhostImage)
{
this.Thread = new VMThread(context,this,this.Object.OBJ.StackSize);
}
ExecuteEntryPoint(0,context,true); //Init
if (!GhostImage)
{
short[] Args = null;
VMEntity StackOBJ = null;
if (MainParam != 0)
{
Args = new short[4];
Args[0] = MainParam;
MainParam = 0;
}
if (MainStackOBJ != 0)
{
StackOBJ = context.VM.GetObjectById(MainStackOBJ);
MainStackOBJ = 0;
}
ExecuteEntryPoint(1,context,false,StackOBJ,Args); //Main
}
else
{
SetValue(VMStackObjectVariable.Room,-1);
if (this is VMGameObject)
{
((VMGameObject)this).RefreshLight();
}
}
}
public void ThreadActive(VMThread thread)
{
/** Switch thread to active **/
VM.ThreadActive(thread);
}
public void ThreadIdle(VMThread thread)
{
/** Switch thread to idle **/
VM.ThreadIdle(thread);
}
public override VMPrimitiveExitCode Execute(VMStackFrame context, VMPrimitiveOperand args)
{
var operand = (VMRunFunctionalTreeOperand)args;
if (operand.Function == 65535)
{
return(VMPrimitiveExitCode.GOTO_FALSE); //wedding cake: invalid primitive operand
}
var entry = VMFindBestObjectForFunction.FunctionToEntryPoint[operand.Function];
var ent = context.StackObject;
if (ent == null || ent.Dead)
{
return(VMPrimitiveExitCode.GOTO_FALSE);
}
if (ent.EntryPoints[entry].ActionFunction != 0)
{
bool Execute;
if (ent.EntryPoints[entry].ConditionFunction != 0) //check if we can definitely execute this...
{
var Behavior = ent.GetRoutineWithOwner(ent.EntryPoints[entry].ConditionFunction, context.VM.Context);
if (Behavior != null)
{
Execute = (VMThread.EvaluateCheck(context.VM.Context, context.Caller, new VMStackFrame()
{
Caller = context.Caller,
Callee = ent,
CodeOwner = Behavior.owner,
StackObject = ent,
Routine = Behavior.routine,
Args = new short[4]
}) == VMPrimitiveExitCode.RETURN_TRUE);
}
else
{
Execute = true;
}
}
else
{
Execute = true;
}
if (Execute)
{
//push it onto our stack, except now the stack object owns our soul!
var tree = ent.GetRoutineWithOwner(ent.EntryPoints[entry].ActionFunction, context.VM.Context);
if (tree == null)
{
return(VMPrimitiveExitCode.GOTO_FALSE); //does not exist
}
var routine = tree.routine;
var childFrame = new VMStackFrame
{
Routine = routine,
Caller = context.Caller,
Callee = ent,
CodeOwner = tree.owner,
StackObject = ent,
ActionTree = context.ActionTree
};
if (operand.Flags > 0 && context.ActionTree)
{
context.Thread.ActiveAction.IconOwner = context.StackObject;
}
childFrame.Args = new short[routine.Arguments];
context.Thread.Push(childFrame);
return(VMPrimitiveExitCode.CONTINUE);
}
else
{
return(VMPrimitiveExitCode.GOTO_FALSE);
}
}
else
{
return(VMPrimitiveExitCode.GOTO_FALSE);
}
}
public override IEnumerable<Item> Perform(IEnumerable<Item> items, IEnumerable<Item> modItems)
{
VMItem vm = (items.First () as VMItem);
string SnapshotName;
if (modItems.Any ())
SnapshotName = (modItems.First () as ITextItem).Text;
else
SnapshotName = AddinManager.CurrentLocalizer.GetString("Snapshot (") + DateTime.Now + ")";
VMThread thread = new VMThread("VBoxManage", "snapshot " + vm.Uuid + " take '" + SnapshotName + "'", vm.Status, ref vm);
Thread t = new Thread (new ThreadStart(thread.DoAction));
t.IsBackground = true;
t.Start();
yield break;
}
public override VMPrimitiveExitCode Execute(VMStackFrame context, VMPrimitiveOperand args)
{
var operand = (VMFindBestObjectForFunctionOperand)args;
var entities = context.VM.Entities;
int bestScore = int.MinValue;
VMEntity bestObj = null;
var entry = FunctionToEntryPoint[operand.Function];
for (int i = 0; i < entities.Count; i++)
{
var ent = entities[i];
if (ent.GetValue(VMStackObjectVariable.LockoutCount) > 0 ||
(ent is VMGameObject && ((VMGameObject)ent).Disabled > 0) ||
ent.Position == LotTilePos.OUT_OF_WORLD)
{
continue; //this object is not important!!!
}
if (ent.EntryPoints[entry].ActionFunction != 0)
{
bool Execute;
if (ent.EntryPoints[entry].ConditionFunction != 0)
{
var Behavior = ent.GetRoutineWithOwner(ent.EntryPoints[entry].ConditionFunction, context.VM.Context);
if (Behavior != null)
{
var test = VMThread.EvaluateCheck(context.VM.Context, context.Caller, new VMStackFrame()
{
Caller = context.Caller,
Callee = ent,
CodeOwner = Behavior.owner,
StackObject = ent,
Routine = Behavior.routine,
Args = new short[4]
});
Execute = (test == VMPrimitiveExitCode.RETURN_TRUE);
}
else
{
Execute = true;
}
}
else if (SurfaceFunctions.Contains(entry))
{
//ts1: surface functions that have no check tree rely on the engine to check there is nothing in slot 0.
Execute = ent.GetSlot(0) == null;
}
else
{
Execute = true;
}
if (Execute)
{
if (ent.IsInUse(context.VM.Context, true))
{
continue; //this object is in use. this check is more expensive than check trees, so do it last.
}
//calculate the score for this object.
int score = 0;
if (ScoreVar[operand.Function] != VMStackObjectVariable.Invalid)
{
var funcVar = ScoreVar[operand.Function];
score = ent.GetValue(funcVar);
if (context.VM.TS1 || funcVar != VMStackObjectVariable.RepairState)
{
if (Thresholds.TryGetValue(funcVar, out var threshold) && score < threshold)
{
continue;
}
}
else if (ent is VMAvatar || !((Model.TSOPlatform.VMTSOObjectState)ent.TSOState).Broken)
{
continue;
}
}
LotTilePos posDiff = ent.Position - context.Caller.Position;
score -= (int)Math.Sqrt(posDiff.x * posDiff.x + posDiff.y * posDiff.y + (posDiff.Level * posDiff.Level * 900 * 256)) / 3;
if (score > bestScore)
{
bestScore = score;
bestObj = ent;
}
}
}
}
if (bestObj != null)
{
context.StackObject = bestObj;
return(VMPrimitiveExitCode.GOTO_TRUE);
}
else
{
return(VMPrimitiveExitCode.GOTO_FALSE); //couldn't find an object! :'(
}
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
OperandStack operandStack = frame.OperandStack;
operandStack.PushObjectRef(null);
}
public override VMPrimitiveExitCode Execute(VMStackFrame context, VMPrimitiveOperand args)
{
var operand = (VMFindBestObjectForFunctionOperand)args;
var entities = context.VM.Entities;
int bestScore = int.MinValue;
VMEntity bestObj = null;
var entry = VMFindBestObjectForFunction.FunctionToEntryPoint[operand.Function];
for (int i = 0; i < entities.Count; i++)
{
var ent = entities[i];
if (ent.ObjectData[(int)VMStackObjectVariable.LockoutCount] > 0)
{
continue; //this object is not important!!!
}
if (ent.EntryPoints[entry].ActionFunction != 0)
{
bool Execute;
if (ent.EntryPoints[entry].ConditionFunction != 0)
{
var Behavior = ent.GetBHAVWithOwner(ent.EntryPoints[entry].ConditionFunction, context.VM.Context);
if (Behavior != null)
{
var test = VMThread.EvaluateCheck(context.VM.Context, context.Caller, new VMStackFrame()
{
Caller = context.Caller,
Callee = ent,
CodeOwner = Behavior.owner,
StackObject = ent,
Routine = context.VM.Assemble(Behavior.bhav),
Args = new short[4]
});
Execute = (test == VMPrimitiveExitCode.RETURN_TRUE);
}
else
{
Execute = true;
}
}
else
{
Execute = true;
}
if (Execute)
{
//calculate the score for this object.
int score = 0;
if (ScoreVar[operand.Function] != VMStackObjectVariable.Invalid)
{
score = ent.GetValue(ScoreVar[operand.Function]);
if (ScoreVar[operand.Function] == VMStackObjectVariable.DirtyLevel && score < 800)
{
continue; //only clean "dirty" things.
}
}
LotTilePos posDiff = ent.Position - context.Caller.Position;
score -= (int)Math.Sqrt(posDiff.x * posDiff.x + posDiff.y * posDiff.y + (posDiff.Level * posDiff.Level * 900 * 256)) / 3;
if (score > bestScore)
{
bestScore = score;
bestObj = ent;
}
}
}
}
if (bestObj != null)
{
context.StackObject = bestObj;
return(VMPrimitiveExitCode.GOTO_TRUE);
}
else
{
return(VMPrimitiveExitCode.GOTO_FALSE); //couldn't find an object! :'(
}
}
public override IEnumerable<Item> Perform(IEnumerable<Item> items, IEnumerable<Item> modItems)
{
foreach (Item i in items)
{
VMItem vm = (i as VMItem);
VMThread thread;
Thread t;
if (modItems.Any ())
{
thread = new VMThread(ref vm);
t = new Thread (new ThreadStart(thread.DoShutdownRestoreAction));
}
else
{
thread = new VMThread(VMState.off, ref vm);
t = new Thread (new ThreadStart(thread.DoAction));
}
t.IsBackground = true;
t.Start();
}
yield break;
}
/// <summary> /// 执行指令 /// </summary> /// <param name="thread"></param> /// <param name="frame"></param> public abstract void Execute(VMThread thread, byte[] byteCode, Frame frame);
public bool ExecuteEntryPoint(int entry,VMContext context,bool runImmediately,VMEntity stackOBJ,short[] args)
{
if (entry == 11)
{
//user placement, hack to do auto floor removal/placement for stairs
if (Object.OBJ.LevelOffset > 0 && Position != LotTilePos.OUT_OF_WORLD)
{
var floor = context.Architecture.GetFloor(Position.TileX,Position.TileY,Position.Level);
var placeFlags = (VMPlacementFlags)ObjectData[(int)VMStackObjectVariable.PlacementFlags];
if ((placeFlags & VMPlacementFlags.InAir) > 0)
{
context.Architecture.SetFloor(Position.TileX,Position.TileY,Position.Level,new FloorTile(),true);
}
if ((placeFlags & VMPlacementFlags.OnFloor) > 0 && (floor.Pattern == 0))
{
context.Architecture.SetFloor(Position.TileX,Position.TileY,Position.Level,new FloorTile {
Pattern = 1
},true);
}
}
}
bool result = false;
if (EntryPoints[entry].ActionFunction > 255)
{
VMSandboxRestoreState SandboxState = null;
if (GhostImage && runImmediately)
{
SandboxState = context.VM.Sandbox();
for (int i = 0; i < MultitileGroup.Objects.Count; i++)
{
var obj = MultitileGroup.Objects[i];
context.VM.AddEntity(obj);
}
}
BHAV bhav;
GameObject CodeOwner;
ushort ActionID = EntryPoints[entry].ActionFunction;
if (ActionID < 4096)
{ //global
bhav = context.Globals.Resource.Get <BHAV>(ActionID);
}
else if (ActionID < 8192)
{ //local
bhav = Object.Resource.Get <BHAV>(ActionID);
}
else
{ //semi-global
bhav = SemiGlobal.Get <BHAV>(ActionID);
}
CodeOwner = Object;
if (bhav != null)
{
var routine = context.VM.Assemble(bhav);
var action = new VMQueuedAction
{
Callee = this,
CodeOwner = CodeOwner,
/** Main function **/
StackObject = stackOBJ,
Routine = routine,
Args = args
};
if (runImmediately)
{
var checkResult = VMThread.EvaluateCheck(context,this,action);
result = (checkResult == VMPrimitiveExitCode.RETURN_TRUE);
}
else
{
this.Thread.EnqueueAction(action);
}
}
if (GhostImage && runImmediately)
{
//restore state
context.VM.SandboxRestore(SandboxState);
}
return(result);
}
else
{
return(false);
}
}
public override void Execute(VMThread thread, byte[] byteCode, Frame frame)
{
frame.OperandStack.PushObjectRef(frame.LocalVars.Get(1).ObjectRef);
}
public override IEnumerable<Item> Perform(IEnumerable<Item> items, IEnumerable<Item> modifierItems)
{
foreach (Item i in items)
{
VMItem vm = (i as VMItem);
VMState NewState;
VMDynItm mod;
if (modifierItems.Any ())
{
mod = modifierItems.First () as VMDynItm;
NewState = mod.Mode;
}
else
NewState = VMState.on;
VMThread thread = new VMThread(NewState, ref vm);
Thread t = new Thread (new ThreadStart(thread.DoAction));
t.IsBackground = true;
t.Start();
}
yield break;
}
public void ThreadRemove(VMThread thread)
{
/** Stop updating a thread **/
VM.ThreadRemove(thread);
}
public void ExecuteEntryPoint(int entry,VMContext context,bool runImmediately)
{
if (EntryPoints[entry].ActionFunction > 255)
{
BHAV bhav;
GameIffResource CodeOwner;
ushort ActionID = EntryPoints[entry].ActionFunction;
if (ActionID < 4096)
{ //global
bhav = context.Globals.Resource.Get <BHAV>(ActionID);
CodeOwner = context.Globals.Resource;
}
else if (ActionID < 8192)
{ //local
bhav = Object.Resource.Get <BHAV>(ActionID);
CodeOwner = Object.Resource;
}
else
{ //semi-global
bhav = SemiGlobal.Resource.Get <BHAV>(ActionID);
CodeOwner = SemiGlobal.Resource;
}
var routine = context.VM.Assemble(bhav);
if (bhav == null)
{
return; //throw new Exception("Invalid BHAV call!");
}
short[] Args = null;
VMEntity StackOBJ = null;
if (entry == 1)
{
if (MainParam != 0)
{
Args = new short[4];
Args[0] = MainParam;
MainParam = 0;
}
if (MainStackOBJ != 0)
{
StackOBJ = context.VM.GetObjectById(MainStackOBJ);
MainStackOBJ = 0;
}
}
var action = new TSO.Simantics.engine.VMQueuedAction
{
Callee = this,
CodeOwner = CodeOwner,
/** Main function **/
StackObject = StackOBJ,
Routine = routine,
Args = Args
};
if (runImmediately)
{
VMThread.EvaluateCheck(context,this,action);
}
else
{
this.Thread.EnqueueAction(action);
}
}
}
/// <summary>
/// 读取操作数
/// </summary>
/// <param name="byteCode"></param>
/// <returns></returns>
public virtual byte[] FetchOperands(VMThread thread, byte[] byteCode)
{
return(new byte[0]);
}