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Diffstat (limited to 'src/libjin/ai/je_state_machine.h')
| -rw-r--r-- | src/libjin/ai/je_state_machine.h | 414 |
1 files changed, 0 insertions, 414 deletions
diff --git a/src/libjin/ai/je_state_machine.h b/src/libjin/ai/je_state_machine.h deleted file mode 100644 index c928989..0000000 --- a/src/libjin/ai/je_state_machine.h +++ /dev/null @@ -1,414 +0,0 @@ -#ifndef __JE_STATE_MACHINE_H__ -#define __JE_STATE_MACHINE_H__ - -#include "../core/je_configuration.h" -#if defined(jin_ai) - -#include <map> -#include <vector> -#include <functional> - -#include "../common/je_temporary.h" -#include "../common/je_types.h" -#include "../common/je_object.h" - -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 JinEngine - -#endif // jin_ai - -#endif
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