diff options
Diffstat (limited to 'src/libjin/ai/je_state_machine.h')
| -rw-r--r-- | src/libjin/ai/je_state_machine.h | 221 |
1 files changed, 163 insertions, 58 deletions
diff --git a/src/libjin/ai/je_state_machine.h b/src/libjin/ai/je_state_machine.h index 0d19be9..19b884b 100644 --- a/src/libjin/ai/je_state_machine.h +++ b/src/libjin/ai/je_state_machine.h @@ -1,5 +1,5 @@ -#ifndef __JE_STATEMACHINE_TREE_H -#define __JE_STATEMACHINE_TREE_H +#ifndef __JE_STATE_MACHINE_H +#define __JE_STATE_MACHINE_H #include "../core/je_configuration.h" #if defined(jin_ai) @@ -7,71 +7,56 @@ #include <map> #include <vector> +#include "../common/je_types.h" #include "../common/je_object.h" namespace JinEngine { namespace AI { - // From Unity3D game engine. - - class State; - - enum ConditionType - { - - }; + // Grab from Unity engine. /// - /// Traslation's condition. + /// A single layer statemachine. /// - struct Condition + class StateMachine : public Object { + public: - }; + union ParameterValue + { + int _int; + float _float; + bool _bool; + byte _trigger; + }; - /// - /// Translate to another state. - /// - struct Transition - { - Condition condition; ///< Condition to active transition. - State* state; ///< State translate to. - }; + enum ParameterType + { + Int, ///< A integer value. + FLoat, ///< A float value. + Bool, ///< A bool value. + Trigger ///< A trigger will be reset to false after activated. + }; - /// - /// Definition of state. - /// - struct StateDef - { - }; - - /// - /// A single state. - /// - struct State - { - std::string name; ///< Name of state. - std::vector<Transition> translations; ///< All transitions this state have. - StateDef definition; ///< Definition of state. - void* userdata; ///< A state could have a user data. - }; + /// + /// Traslation's condition. + /// + struct Condition + { + std::string parameter; + ParameterValue value; + }; - /// - /// A single layer statemachine. - /// - class StateMachine : public Object - { - public: /// /// /// - typedef void(*SingleStateCallback)(State* state); + typedef void(*SingleStateCallback)(const std::string& stateName); /// /// /// - typedef void(*DoubleStateCallback)(State* stateFrom, State* stateTo); + typedef void(*DoubleStateCallback)(const std::string& stateFrom, const std::string& stateTo); /// /// State machine constructor. @@ -88,24 +73,139 @@ namespace JinEngine /// void onUpdate(); + /// + /// Get current state name. + /// + const std::string& getCurrentStateName(); + + /// + /// + /// + void addParameter(ParameterType type, const std::string& name); + /// - /// Add new state. + /// Add a state. /// - void addState(const std::string& name, const State& state); + void addState(const std::string& name); /// - /// Get state reference by given state name. /// - const State* getState(const std::string& name); + /// + void addTransition(const std::string& stateFrom, const std::string& stateTo, const std::string& name, const ParameterValue& value); - void addEnterListener(); - void addExitListener(); - void addTranslateListener(); + /// + /// + /// + void addTransitioni(const std::string& stateFrom, const std::string& stateTo, const std::string& name, int value); - const std::string& getCurrentStateName(); - const State* getCurrentState(); + /// + /// + /// + void addTransitionf(const std::string& stateFrom, const std::string& stateTo, const std::string& name, float value); + + /// + /// + /// + void addTransitionb(const std::string& stateFrom, const std::string& stateTo, const std::string& name, bool value); + + /// + /// + /// + void addTransitiont(const std::string& stateFrom, const std::string& stateTo, const std::string& name); + + /// + /// + /// + void addTransitiont(const std::string& stateFrom, const std::string& stateTo, const std::string& name, const ParameterValue& value); + + /// + /// Set parameter value. + /// + void setParameter(const std::string& name, const ParameterValue& value); + + /// + /// Set parameter value. + /// + void setParameteri(const std::string& name, int value); + + /// + /// Set parameter value. + /// + void setParameterf(const std::string& name, float value); + + /// + /// Set parameter value. + /// + void setParameterb(const std::string& name, bool value); + + /// + /// Set parameter value. + /// + void setParametert(const std::string& name); + + /// + /// Equivalent to setParameter(triggername); + /// + void trigger(const std::string& name); + + /// + /// Force change to state. + /// + void forceToState(const std::string& name); + + /// + /// Reset state machine. + /// + void resetState(); + + /// + /// + /// + void addEnterListener(SingleStateCallback callback); + + /// + /// + /// + void addExitListener(SingleStateCallback callback); + + /// + /// + /// + void addTranslateListener(DoubleStateCallback callback); private: + + struct Parameter + { + ParameterType type; + ParameterValue value; + }; + + /// + /// Translate to another state. + /// + struct Transition + { + Condition condition; ///< Condition to active transition. + std::string& state; ///< + }; + + /// + /// A single state. + /// + struct State + { + std::string name; ///< Name of state. + std::vector<Transition> transitions; ///< All transitions this state have. + }; + + /// + /// Check if condition is full filled. + /// + /// @param condition Condition to check. + /// + bool checkCondition(const Condition& condition); + /// /// All state this state machine keeps. /// @@ -129,12 +229,17 @@ namespace JinEngine /// /// Current state. /// - State* mCurrentState; + const State* mCurrentState; + + /// + /// All parameters. + /// + std::map<std::string, Parameter> mParameters; }; - } -} + } // namespace Graphics +} // namespace JinEngine #endif // jin_ai |