diff options
Diffstat (limited to 'src/libjin/ai/state_machine.h')
| -rw-r--r-- | src/libjin/ai/state_machine.h | 786 |
1 files changed, 393 insertions, 393 deletions
diff --git a/src/libjin/ai/state_machine.h b/src/libjin/ai/state_machine.h index d70563d..151853c 100644 --- a/src/libjin/ai/state_machine.h +++ b/src/libjin/ai/state_machine.h @@ -14,399 +14,399 @@ namespace JinEngine { - namespace AI - { - - /// - /// A single layer statemachine. - /// - class StateMachine : public Object - { - public: - /// - /// - /// - enum ParameterExpression - { - INT_GREATER = 0x02, - INT_LESS = 0x04, - INT_EQUAL = 0x08, - - FLOAT_GREATER = 0x10, - FLOAT_LESS = 0x20, - FLOAT_EQUAL = 0x40, - - BOOL_IS = 0x80, - BOOL_NOT = 0x100, - }; - - private: - /// - /// - /// - enum ParameterType - { - Int, ///< A integer value. - Float, ///< A float value. - Bool, ///< A bool value. - Trigger ///< A trigger will be reset to false after activated. - }; - - /// - /// - /// - union ParameterValue - { - int _int; ///< 0 by default. - float _float; ///< 0 by default. - bool _bool; ///< false by default. - bool _trigger; ///< false by default. - }; - - /// - /// Traslation's condition. - /// - struct Condition - { - int parameter; - ParameterExpression expression; - ParameterType type; - ParameterValue value; - }; - - public: - /// - /// - /// - enum Mode - { - Iterative, ///< Process until reach condition failed.(May cause endless loop) - Stepwise ///< Process one state each update. - }; - - struct Conditions : Temporary - { - Conditions() - { - } - - Conditions(const Conditions& condition) - { - conditions = condition.conditions; - } - - void operator = (const Conditions& condition) - { - conditions = condition.conditions; - } - - inline Conditions& andi(int parameter, ParameterExpression expression, int value) - { - Condition condition; - condition.expression = expression; - condition.parameter = parameter; - condition.value._int = value; - condition.type = ParameterType::Int; - conditions.push_back(condition); - return *this; - } - - inline Conditions& andf(int parameter, ParameterExpression expression , float value) - { - Condition condition; - condition.expression = expression; - condition.parameter = parameter; - condition.value._int = value; - condition.type = ParameterType::Float; - conditions.push_back(condition); - return *this; - } - - inline Conditions& andb(int parameter, ParameterExpression expression, bool value) - { - Condition condition; - condition.expression = expression; - condition.parameter = parameter; - condition.value._int = value; - condition.type = ParameterType::Bool; - conditions.push_back(condition); - return *this; - } - - inline Conditions& andt(int parameter) - { - Condition condition; - condition.parameter = parameter; - condition.type = ParameterType::Trigger; - conditions.push_back(condition); - return *this; - } - - private: - friend class StateMachine; - std::vector<Condition> conditions; - }; - - /// - /// - /// - typedef std::function<void(void*)> StateChangeCallback; - - /// - /// - /// - typedef std::function<void(void*)> StateUpdateCallback; - - /// - /// - /// - typedef std::function<void(void*)> StateTranslateCallback; - - /// - /// - /// - typedef std::function<void(int, void*)> SingleStateCallback; - - /// - /// - /// - typedef std::function<void(int, const int, void*)> DoubleStateCallback; - - /// - /// State machine constructor. - /// - StateMachine(Mode mode = Mode::Stepwise, void* userdata = nullptr); - - /// - /// State machine destructor. - /// - ~StateMachine(); - - /// - /// - /// - void setMode(Mode mode); - - /// - /// Process current state.. - /// - void update(); - - /// - /// Get current state name. - /// - int getCurrentState(); - - /// - /// Add a integer parameter. - /// - void addParameteri(int name); - - /// - /// - /// - void addParameterf(int name); - - /// - /// - /// - void addParameterb(int name); - - /// - /// - /// - void addParametert(int name); - - /// - /// Add a state. - /// - void addState(int name); - - /// - /// - /// - void addTransition(int from, int to, const Conditions& conditions); - - /// - /// Set parameter value. - /// - void setParameteri(int name, int value); - - /// - /// Set parameter value. - /// - void setParameterf(int name, float value); - - /// - /// Set parameter value. - /// - void setParameterb(int name, bool value); - - /// - /// Set parameter value. - /// - void setParametert(int name); - - /// - /// Force change to state. - /// - void forceToState(int name); - - /// - /// - /// - void addEnterListener(int state, const StateChangeCallback& callback); - - /// - /// Call state update function. - /// - void addUpdateListener(int state, const StateUpdateCallback& callback); - - /// - /// - /// - void addExitListener(int state, const StateChangeCallback& callback); - - /// - /// - /// - void addTranslateListener(int from, int to, const StateChangeCallback& callback); - - /// - /// - /// - void setEnterListener(const SingleStateCallback& callback); - - /// - /// - /// - void setUpdateListener(const SingleStateCallback& callback); - - /// - /// - /// - void setExitListener(const SingleStateCallback& callback); - - /// - /// - /// - void setTranslateListener(const DoubleStateCallback& callback); - - private: - - /// - /// - /// - struct Parameter - { - ParameterType type; - ParameterValue value; - }; - - /// - /// Translate to another state. - /// - struct Transition - { - Conditions conditions; ///< Condition to active transition. - int state; ///< State to translate to. - }; - - /// - /// A single state. - /// - struct State - { - int name; ///< Name of state. - 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 processCondition(const Condition& condition); - - /// - /// - /// - void stepwiseProcess(); - - /// - /// - /// - void iterativeProcess(); - - /// - /// - /// - void invokeCallback(int from, int to); - - /// - /// All state this state machine keeps. - /// - std::map<int, State> mStates; - - /// - /// - /// - std::map<int, StateChangeCallback> mOnEnterState; - - /// - /// - /// - std::map<int, StateUpdateCallback> mOnUpdateState; - - /// - /// - /// - std::map<int, StateChangeCallback> mOnExitState; - - /// - /// From first to second. - /// - std::map<std::pair<int, int>, StateTranslateCallback> mOnStateTranslate; - - /// - /// - /// - SingleStateCallback mEnterCallback; - - /// - /// - /// - SingleStateCallback mUpdateCallback; - - /// - /// - /// - SingleStateCallback mExitCallback; - - /// - /// - /// - DoubleStateCallback mTraslateCallback; - - /// - /// Current state. - /// - int mCurrentState; - - /// - /// All parameters. - /// - std::map<int, Parameter> mParameters; - - Mode mMode; - - void* const mUserData; - - }; - - } // namespace Graphics + namespace AI + { + + /// + /// A single layer statemachine. + /// + class StateMachine : public Object + { + public: + /// + /// + /// + enum ParameterExpression + { + INT_GREATER = 0x02, + INT_LESS = 0x04, + INT_EQUAL = 0x08, + + FLOAT_GREATER = 0x10, + FLOAT_LESS = 0x20, + FLOAT_EQUAL = 0x40, + + BOOL_IS = 0x80, + BOOL_NOT = 0x100, + }; + + private: + /// + /// + /// + enum ParameterType + { + Int, ///< A integer value. + Float, ///< A float value. + Bool, ///< A bool value. + Trigger ///< A trigger will be reset to false after activated. + }; + + /// + /// + /// + union ParameterValue + { + int _int; ///< 0 by default. + float _float; ///< 0 by default. + bool _bool; ///< false by default. + bool _trigger; ///< false by default. + }; + + /// + /// Traslation's condition. + /// + struct Condition + { + int parameter; + ParameterExpression expression; + ParameterType type; + ParameterValue value; + }; + + public: + /// + /// + /// + enum Mode + { + Iterative, ///< Process until reach condition failed.(May cause endless loop) + Stepwise ///< Process one state each update. + }; + + struct Conditions : Temporary + { + Conditions() + { + } + + Conditions(const Conditions& condition) + { + conditions = condition.conditions; + } + + void operator = (const Conditions& condition) + { + conditions = condition.conditions; + } + + inline Conditions& andi(int parameter, ParameterExpression expression, int value) + { + Condition condition; + condition.expression = expression; + condition.parameter = parameter; + condition.value._int = value; + condition.type = ParameterType::Int; + conditions.push_back(condition); + return *this; + } + + inline Conditions& andf(int parameter, ParameterExpression expression , float value) + { + Condition condition; + condition.expression = expression; + condition.parameter = parameter; + condition.value._int = value; + condition.type = ParameterType::Float; + conditions.push_back(condition); + return *this; + } + + inline Conditions& andb(int parameter, ParameterExpression expression, bool value) + { + Condition condition; + condition.expression = expression; + condition.parameter = parameter; + condition.value._int = value; + condition.type = ParameterType::Bool; + conditions.push_back(condition); + return *this; + } + + inline Conditions& andt(int parameter) + { + Condition condition; + condition.parameter = parameter; + condition.type = ParameterType::Trigger; + conditions.push_back(condition); + return *this; + } + + private: + friend class StateMachine; + std::vector<Condition> conditions; + }; + + /// + /// + /// + typedef std::function<void(void*)> StateChangeCallback; + + /// + /// + /// + typedef std::function<void(void*)> StateUpdateCallback; + + /// + /// + /// + typedef std::function<void(void*)> StateTranslateCallback; + + /// + /// + /// + typedef std::function<void(int, void*)> SingleStateCallback; + + /// + /// + /// + typedef std::function<void(int, const int, void*)> DoubleStateCallback; + + /// + /// State machine constructor. + /// + StateMachine(Mode mode = Mode::Stepwise, void* userdata = nullptr); + + /// + /// State machine destructor. + /// + ~StateMachine(); + + /// + /// + /// + void setMode(Mode mode); + + /// + /// Process current state.. + /// + void update(); + + /// + /// Get current state name. + /// + int getCurrentState(); + + /// + /// Add a integer parameter. + /// + void addParameteri(int name); + + /// + /// + /// + void addParameterf(int name); + + /// + /// + /// + void addParameterb(int name); + + /// + /// + /// + void addParametert(int name); + + /// + /// Add a state. + /// + void addState(int name); + + /// + /// + /// + void addTransition(int from, int to, const Conditions& conditions); + + /// + /// Set parameter value. + /// + void setParameteri(int name, int value); + + /// + /// Set parameter value. + /// + void setParameterf(int name, float value); + + /// + /// Set parameter value. + /// + void setParameterb(int name, bool value); + + /// + /// Set parameter value. + /// + void setParametert(int name); + + /// + /// Force change to state. + /// + void forceToState(int name); + + /// + /// + /// + void addEnterListener(int state, const StateChangeCallback& callback); + + /// + /// Call state update function. + /// + void addUpdateListener(int state, const StateUpdateCallback& callback); + + /// + /// + /// + void addExitListener(int state, const StateChangeCallback& callback); + + /// + /// + /// + void addTranslateListener(int from, int to, const StateChangeCallback& callback); + + /// + /// + /// + void setEnterListener(const SingleStateCallback& callback); + + /// + /// + /// + void setUpdateListener(const SingleStateCallback& callback); + + /// + /// + /// + void setExitListener(const SingleStateCallback& callback); + + /// + /// + /// + void setTranslateListener(const DoubleStateCallback& callback); + + private: + + /// + /// + /// + struct Parameter + { + ParameterType type; + ParameterValue value; + }; + + /// + /// Translate to another state. + /// + struct Transition + { + Conditions conditions; ///< Condition to active transition. + int state; ///< State to translate to. + }; + + /// + /// A single state. + /// + struct State + { + int name; ///< Name of state. + 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 processCondition(const Condition& condition); + + /// + /// + /// + void stepwiseProcess(); + + /// + /// + /// + void iterativeProcess(); + + /// + /// + /// + void invokeCallback(int from, int to); + + /// + /// All state this state machine keeps. + /// + std::map<int, State> mStates; + + /// + /// + /// + std::map<int, StateChangeCallback> mOnEnterState; + + /// + /// + /// + std::map<int, StateUpdateCallback> mOnUpdateState; + + /// + /// + /// + std::map<int, StateChangeCallback> mOnExitState; + + /// + /// From first to second. + /// + std::map<std::pair<int, int>, StateTranslateCallback> mOnStateTranslate; + + /// + /// + /// + SingleStateCallback mEnterCallback; + + /// + /// + /// + SingleStateCallback mUpdateCallback; + + /// + /// + /// + SingleStateCallback mExitCallback; + + /// + /// + /// + DoubleStateCallback mTraslateCallback; + + /// + /// Current state. + /// + int mCurrentState; + + /// + /// All parameters. + /// + std::map<int, Parameter> mParameters; + + Mode mMode; + + void* const mUserData; + + }; + + } // namespace Graphics } // namespace JinEngine #endif // jin_ai |