diff options
Diffstat (limited to 'src/libjin/ai/je_state_machine.h')
| -rw-r--r-- | src/libjin/ai/je_state_machine.h | 128 |
1 files changed, 97 insertions, 31 deletions
diff --git a/src/libjin/ai/je_state_machine.h b/src/libjin/ai/je_state_machine.h index 9d7994a..193ab65 100644 --- a/src/libjin/ai/je_state_machine.h +++ b/src/libjin/ai/je_state_machine.h @@ -14,7 +14,6 @@ namespace JinEngine { namespace AI { - // Grab from Unity engine. /// /// A single layer statemachine. @@ -26,17 +25,36 @@ namespace JinEngine /// /// /// - typedef void(*SingleStateCallback)(const std::string& stateName); + enum Mode + { + Iterative, ///< Process until reach condition failed.(May cause endless loop) + Stepwise ///< Process one state each update. + }; /// /// /// - typedef void(*DoubleStateCallback)(const std::string& stateFrom, const std::string& stateTo); + typedef void(StateChangeCallback)(void* userdata); + + /// + /// + /// + typedef void(StateTranslateCallback)(void* userdata); + + /// + /// + /// + typedef void(SingleStateCallback)(const std::string& stateName, void* userdata); + + /// + /// + /// + typedef void(DoubleStateCallback)(const std::string& stateFrom, const std::string& stateTo, void* userdata); /// /// State machine constructor. /// - StateMachine(); + StateMachine(Mode mode = Mode::Stepwise, void* userdata = nullptr); /// /// State machine destructor. @@ -44,9 +62,14 @@ namespace JinEngine ~StateMachine(); /// - /// Update statemachine. /// - void onUpdate(); + /// + void setMode(Mode mode); + + /// + /// Process current state.. + /// + void update(); /// /// Get current state name. @@ -54,7 +77,7 @@ namespace JinEngine const std::string& getCurrentState(); /// - /// + /// Add a integer parameter. /// void addParameteri(const std::string& name); @@ -79,12 +102,12 @@ namespace JinEngine void addState(const std::string& name); /// - /// + /// /// void addTransitioni(const std::string& stateFrom, const std::string& stateTo, const std::string& name, int value); /// - /// + /// /// void addTransitionf(const std::string& stateFrom, const std::string& stateTo, const std::string& name, float value); @@ -119,51 +142,56 @@ namespace JinEngine void setParametert(const std::string& name); /// - /// Equivalent to setParameter(triggername); + /// Force change to state. /// - void trigger(const std::string& name); + void forceToState(const std::string& name); /// - /// Force change to state. + /// /// - void forceToState(const std::string& name); + void addEnterListener(const std::string& state, StateChangeCallback* callback); /// - /// Reset state machine. /// - void reset(); + /// + void addExitListener(const std::string& state, StateChangeCallback* callback); /// - /// /// - void addEnterListener(SingleStateCallback callback); + /// + void addTranslateListener(const std::string& from, const std::string& to, StateChangeCallback* callback); /// /// /// - void addExitListener(SingleStateCallback callback); + void setEnterListener(SingleStateCallback* callback); /// /// /// - void addTranslateListener(DoubleStateCallback callback); + void setExitListener(SingleStateCallback* callback); + + /// + /// + /// + void setTranslateListener(DoubleStateCallback* callback); private: enum ParameterType { Int, ///< A integer value. - FLoat, ///< A float value. + Float, ///< A float value. Bool, ///< A bool value. Trigger ///< A trigger will be reset to false after activated. }; union ParameterValue { - int _int; - float _float; - bool _bool; - byte _trigger; + int _int; ///< 0 by default. + float _float; ///< 0 by default. + bool _bool; ///< false by default. + bool _trigger; ///< false by default. }; struct Parameter @@ -187,7 +215,7 @@ namespace JinEngine struct Transition { Condition condition; ///< Condition to active transition. - std::string state; ///< + std::string state; ///< State to translate to. }; /// @@ -199,12 +227,31 @@ namespace JinEngine std::vector<Transition> transitions; ///< All transitions this state have. }; + const char* parameterTypeString(ParameterType type); + /// /// Check if condition is full filled. /// /// @param condition Condition to check. /// - bool checkCondition(const Condition& condition); + bool processCondition(const Condition& condition); + + typedef void(Processor)(void*); + + /// + /// + /// + void stepwiseProcess(); + + /// + /// + /// + void iterativeProcess(); + + /// + /// + /// + void invokeCallback(const std::string& from, const std::string& to); /// /// All state this state machine keeps. @@ -214,28 +261,47 @@ namespace JinEngine /// /// /// - std::map<std::string, SingleStateCallback> mOnEnterState; + std::map<std::string, StateChangeCallback*> mOnEnterState; /// /// /// - std::map<std::string, SingleStateCallback> mOnExitState; + std::map<std::string, StateChangeCallback*> mOnExitState; /// /// From first to second. /// - std::map<std::pair<std::string, std::string>, DoubleStateCallback> mOnStateTranslate; + std::map<std::pair<std::string, std::string>, StateTranslateCallback*> mOnStateTranslate; + + /// + /// + /// + SingleStateCallback* mEnterCallback; + + /// + /// + /// + SingleStateCallback* mExitCallback; + + /// + /// + /// + DoubleStateCallback* mTraslateCallback; /// /// Current state. /// - const State* mCurrentState; + std::string mCurrentState; /// /// All parameters. /// std::map<std::string, Parameter> mParameters; - + + Mode mMode; + + void* const mUserData; + }; } // namespace Graphics |