39 lines
960 B
C#
39 lines
960 B
C#
using System;
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using System.Collections.Generic;
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namespace SemiColinGames {
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public interface IState<T> {
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public void Enter();
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// Returns the name of the new state, or null if we should stay in the same state.
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public string Update(T obj, float modelTime, World world);
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}
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public class FSM<T> {
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Dictionary<string, IState<T>> states;
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IState<T> state;
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public FSM(Dictionary<string, IState<T>> states, string initial) {
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this.states = states;
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StateName = initial;
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Transition(StateName);
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}
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public string StateName { get; private set; }
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public void Update(T obj, float modelTime, World world) {
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string newState = state.Update(obj, modelTime, world);
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if (newState != null) {
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Transition(newState);
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}
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}
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void Transition(string state) {
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StateName = state;
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IState<T> newState = states[state];
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this.state = newState;
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this.state.Enter();
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}
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}
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}
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