41 lines
1.0 KiB
C#
41 lines
1.0 KiB
C#
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using System;
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using System.Collections.Generic;
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namespace SemiColinGames {
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public interface IState {
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public void Enter();
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public string? Update(NPC npc, float modelTime, AABB[] collisionTargets);
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}
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public class FSM {
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float timeInState = 0f;
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Dictionary<string, IState> states;
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IState state;
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public FSM(Dictionary<string, IState> 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(NPC npc, float modelTime, AABB[] collisionTargets) {
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timeInState += modelTime;
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string? newState = state.Update(npc, modelTime, collisionTargets);
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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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Debug.WriteLine("{0} -> {1} @ {2}", StateName, state, timeInState);
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timeInState = 0f;
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StateName = state;
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IState 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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