75 lines
1.2 KiB
C++
75 lines
1.2 KiB
C++
#pragma once
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#include "common.hpp"
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class State;
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class Context // 上下文环境类，负责具体状态的切换
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{
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public:
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Context();
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~Context();
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void addState(State* state);
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bool changeState(State* state);
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State* getState();
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void setStateInfo(int stateInfo);
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int getStateInfo();
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private:
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State* p_curState;
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vector<State*> p_states;
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int m_stateInfo;
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};
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class Water;
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class State
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{
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public:
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State(string name) :m_name(name) {};
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virtual void behavior(Water* p_water) const = 0;
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virtual bool isMatch(int stateInfo) const = 0;
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string getName();
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private:
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string m_name;
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};
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class SolidState :public State
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{
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public:
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SolidState(string name) :State(name) {};
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void behavior(Water* p_water) const;
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bool isMatch(int stateInfo) const;
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};
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class Liquidtate :public State
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{
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public:
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Liquidtate(string name) :State(name) {};
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void behavior(Water* p_water) const;
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bool isMatch(int stateInfo) const;
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};
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class GaseousState :public State
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{
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public:
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GaseousState(string name) :State(name) {};
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void behavior(Water* p_water) const;
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bool isMatch(int stateInfo) const;
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};
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class Water :public Context
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{
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public:
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Water();
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int getTemperature();
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void setTemperature(int temperature);
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void riseTemperature(int step);
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void reduceTemperature(int step);
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void behavior();
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};
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