// return true to change state
public FSMToken.ExcuteResult Excute(int index, ref int lastToken, FSMHandle handle, Stack<State> stack, object externalArg)
{
FSMToken.ExcuteResult excuteResult = null;
object lastRetVal = externalArg;
foreach (var token in tokens)
{
if (tokens.IndexOf(token) < index)
{
continue;
}
{
excuteResult = token.Excute(lastRetVal, handle, stack);
lastRetVal = excuteResult.retVal;
if (token.name == FSMKeywords.Sleep)
{
lastToken = tokens.IndexOf(token);
}
}
if (excuteResult.stopSentence)
{
break;
}
}
return excuteResult;
}
public override ExcuteResult Excute(object lastRetVal, FSMHandle handle, Stack<State> stack)
{
if (methodInfo == null)
{
Debug.LogError(name + " has no method");
}
object retValue = Excute(ToParam(lastRetVal), handle, stack);
ExcuteResult ret = new ExcuteResult();
if (methodInfo.ReturnType == typeof(Boolean))
{
if (retValue is bool && (bool)retValue == false)
{
ret.stopParagraph = false;
ret.stopSentence = true;
}
}
else
{
ret.retVal = retValue;
}
return ret;
}
public override ExcuteResult Excute(object lastRetVal, FSMHandle handle, Stack<State> stack)
{
Dictionary<string, object> variables = null;
int count = str.Length - str.Replace("$", "").Length;
foreach (var entity in stack)
{
if (--count == 0)
{
variables = entity.variables;
break;
}
}
if (variables == null)
{
Debug.LogError("must not be null");
}
if (isSetter)
{
if (!variables.ContainsKey(name))
{
variables.Add(name, lastRetVal);
}
else
{
variables[name] = lastRetVal;
}
}
ExcuteResult ret = new ExcuteResult();
ret.retVal = variables[name];
return ret;
}
public void OnCreate(FSMHandle handle, Stack<State> stack, object stateArg)
{
variables = new Dictionary<string, object>();
//LogTool.Log(Name + ".OnCreate");
paragraph.title.Excute(0, ref lastToken, handle, stack, stateArg);
ExcuteEvent("create", handle, stack, null);
}
public override ExcuteResult Excute(object lastRetVal, FSMHandle handle, Stack<State> stack)
{
ExcuteResult ret = new ExcuteResult();
ret.stopParam = lastRetVal;
ret.stopTokenType = type;
ret.stopParagraph = true;
ret.stopSentence = true;
return ret;
}
public override ExcuteResult Excute(object lastRetVal, FSMHandle handle, Stack<State> stack)
{
if (!string.IsNullOrEmpty(paramName))
{
var variables = stack.Peek().variables;
if (!variables.ContainsKey(paramName))
{
variables[paramName] = null;
}
variables[paramName] = lastRetVal;
}
return new ExcuteResult();
}
object Excute(object[] parameters, FSMHandle handle, Stack<State> stack)
{
object ret = methodInfo.Invoke(handle, parameters);
if (isNegative)
{
if (ret.GetType() == typeof(bool))
{
ret = !(bool)ret;
}
else
{
Debug.LogError("undefined operation");
}
}
return ret;
}
public void OnDestroy(FSMHandle handle, Stack<State> stack)
{
//LogTool.Log(Name + ".OnDestroy");
ExcuteEvent("destroy", handle, stack, null);
foreach (var entity in variables)
{
if (entity.Value is Object)
{
Object.Destroy(entity.Value as Object);
}
else
{
TryDestroy(entity);
}
}
variables = null;
}
public FSM(string path, FSMHandle handle)
{
this.handle = handle;
stack = new Stack<State>();
FSMPage page = FSMParser.Get(path, handle.GetType());
//Debug.LogWarning(page);
this.name = path;
this.initStateName = page.InitStateName;
states = new Dictionary<string, State>();
foreach (var entity in page.Paragraphs)
{
states.Add(entity.Key, new State(entity.Value, this));
}
SetState(initStateName, null);
}
public FiniteStateMachine(StateAction[] stateActions, TransientAction[] openingActions, TransientAction[] closingActions, T startingState)
{
int nrOfStates = Enum.GetValues(typeof(T)).Length;
if (stateActions.Length != nrOfStates)
{
throw new Exception("Invalid number of state actions, " + nrOfStates + "expected, " + stateActions.Length + " recieved.");
}
if (openingActions.Length != nrOfStates)
{
throw new Exception("Invalid number of opening actions, " + nrOfStates + "expected, " + openingActions.Length + " recieved.");
}
if (closingActions.Length != nrOfStates)
{
throw new Exception("Invalid number of closing actions, " + nrOfStates + "expected, " + closingActions.Length + " recieved.");
}
this.stateActions = stateActions;
this.openingActions = openingActions;
this.closingActions = closingActions;
handle = new FSMHandle(startingState);
}
public void OnExit(FSMHandle handle, Stack<State> stack)
{
ExcuteEvent("exit", handle, stack, null);
}
private bool Excute(FSMSentence sentence, int tokenIndex, FSMHandle handle, Stack<State> stack, object externalArg)
{
FSMToken.ExcuteResult excuteResult = sentence.Excute(tokenIndex, ref lastToken, handle, stack, externalArg);
if (excuteResult == null)
{
Debug.LogError("excuteResult null on " + sentence + ", token:" + tokenIndex);
}
if (excuteResult.stopParagraph)
{
if (excuteResult.stopTokenType == FSMToken.E_TokenType.ChangeState)
{
string nextState = excuteResult.stopParam as string;
fsm.SetState(nextState, excuteResult.stopParamArg);
}
else if (excuteResult.stopTokenType == FSMToken.E_TokenType.PushState)
{
string nextState = excuteResult.stopParam as string;
fsm.PushState(nextState, excuteResult.stopParamArg);
}
else if (excuteResult.stopTokenType == FSMToken.E_TokenType.PopState)
{
fsm.PopState();
}
else if (excuteResult.stopTokenType == FSMToken.E_TokenType.SetTimer)
{
float? waitTime = Cast.To<float>(excuteResult.stopParam);
SetTimer(waitTime.Value, handle, stack);
}
else if (excuteResult.stopTokenType == FSMToken.E_TokenType.Sleep)
{
float? waitTime = Cast.To<float>(excuteResult.stopParam);
Sleep(waitTime.Value, handle, stack);
}
else
{
Debug.LogError("why stop in stopParam " + excuteResult.stopParam + "(" + excuteResult.stopParam.GetType() + ")");
}
}
return excuteResult.stopParagraph;
}
public void Update(FSMHandle handle, Stack<State> stack)
{
foreach (var sentence in paragraph.sentences)
{
//LogTool.Log("[sentence] " + sentence);
bool stop = Excute(sentence, 0, handle, stack, null);
if (stop)
{
lastSentence = sentence;
return;
}
}
}
public override ExcuteResult Excute(object lastRetVal, FSMHandle handle, Stack<State> stack)
{
ExcuteResult ret = new ExcuteResult();
ret.retVal = name;
return ret;
}
public void OnTimer(FSMHandle handle, Stack<State> stack)
{
ExcuteEvent("timer", handle, stack, null);
}
public void OnEvent(string eventName, FSMHandle handle, Stack<State> stack, object eventArg)
{
ExcuteEvent(eventName, handle, stack, eventArg);
}
private void SetTimer(float waitTime, FSMHandle handle, Stack<State> stack)
{
remainTimeForTimer = waitTime;
routineForTimer = delegate()
{
if (fsm.IsCurrentState(this))
{
Debug.LogWarning("OnTimer~~");
this.OnTimer(handle, stack);
}
};
}
public abstract ExcuteResult Excute(object lastRetVal, FSMHandle handle, Stack<State> stack);
private void Sleep(float waitTime, FSMHandle handle, Stack<State> stack)
{
Assert.IsTrue(!isWaiting);
isWaiting = true;
remainTimeForSleep = waitTime;
routineForSleep = delegate()
{
isWaiting = false;
if (fsm.IsCurrentState(this))
{
FSMSentence sentence = lastSentence;
int token = lastToken;
if (sentence.HasToken(token + 1))
{
Excute(sentence, token + 1, handle, stack, null);
}
}
};
}
public void InitFSM(string scriptPath, FSMHandle handle, bool enableLog)
{
fsm = new FSM(scriptPath, handle);
fsm.EnableLog(enableLog);
}
private void ExcuteEvent(string eventName, FSMHandle handle, Stack<State> stack, object externalArg)
{
if (isWaiting)
{
return;
}
if (paragraph.events.ContainsKey(eventName))
{
var sentence = paragraph.events[eventName];
bool stop = Excute(sentence, 0, handle, stack, externalArg);
if (stop)
{
lastSentence = sentence;
return;
}
}
}