Lua 实现状态机

最新推荐文章于 2024-06-14 01:35:18 发布

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最新推荐文章于 2024-06-14 01:35:18 发布 · 1.4k 阅读

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CC 4.0 BY-SA版权

本文深入探讨了如何使用Lua编程语言来设计和实现状态机。通过实例代码，阐述了Lua中定义状态、转换条件以及状态间切换的方法，同时讨论了状态机在游戏开发和系统控制等领域的应用。

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--[[
	状态机
	602809934@qq.com

	Sample:
		local MaxFPSTimer	= 0.016

		local STATE_IDLE 	= 0
		local STATE_WALK 	= 1
		local STATE_RUN 	= 2
		local STATE_IN_COMBAT = 3
		local STATE_DYING	= 20
		...

		local Player = player:create()
		Player.onEnterIdle = function(currPlr)
			currPlr.__isInCombat = false
			...
		end

		Player.onExecuteIde = function(currPlr, TimeDiff)
			for k, v in pairs(enemy) do
				if (currPlr:MoveInLineOfSight(v) == ENGAGE_COMBAT) then
					currPlr:EngageWith(v)
					currPlr.sm:setNextState(Player:IsInAttackRange(v) and STATE_IN_COMBAT or STATE_RUN)
					currPlr.__isInCombat = true
					break
				end
			end
			...
		end

		Player.onExitIdle = function(currPlr)
			if currPlr.__isInCombat then
				currPlr:TryShowWeapon()
			end
			...
		end
		
		...

		Player:CleanupAndDelete()
			self.sm = nil
		end

		local sm = StateMechine:new()
		sm:addState(STATE_IDLE, handler(Player, Player.onEnterIdle, handler(Player.onExecuteIdle,