BergaBruh
73 lines
2.7 KiB
Lua
73 lines
2.7 KiB
Lua
-- 脚本的位置是 "{命名空间}:{路径}"，那么 require 的格式为 "{命名空间}_{路径}"
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-- 注意！require 取得的内容不应该被修改，应仅调用
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local default = require("tacz_default_state_machine")
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local STATIC_TRACK_LINE = default.STATIC_TRACK_LINE
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local GUN_KICK_TRACK_LINE = default.GUN_KICK_TRACK_LINE
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local MAIN_TRACK = default.MAIN_TRACK
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local main_track_states = default.main_track_states
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-- main_track_states.idle 是我们要重写的状态。
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local idle_state = setmetatable({}, {__index = main_track_states.idle})
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local charge_state = {
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can_charge = true
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}
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-- 常态检测（延迟扳机）
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function idle_state.update(this, context)
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if (context:isCharging()) then
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if (charge_state.can_charge) then
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context:trigger(this.INPUT_CHARING)
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end
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else
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charge_state.can_charge = true
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end
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end
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-- 重写 idle 状态的 transition 函数，将输入 INPUT_CHARING 重定向到新定义的 charge_state 状态
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function idle_state.transition(this, context, input)
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-- 进入延迟扳机状态
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if (input == this.INPUT_CHARING) then
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context:runAnimation("charge_in", context:getTrack(STATIC_TRACK_LINE, MAIN_TRACK), false, PLAY_ONCE_HOLD, 0)
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return this.main_track_states.charge
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end
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return main_track_states.idle.transition(this, context, input)
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end
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-- 进入延迟扳机状态
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function charge_state.update(this, context)
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if (not context:isCharging()) then
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charge_state.can_charge = true
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context:trigger(this.INPUT_CHARING_EXIT)
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end
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end
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-- 离开延迟扳机状态
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function charge_state.transition(this, context, input)
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if (input == INPUT_SHOOT) then
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context:stopAnimation(context:getTrack(STATIC_TRACK_LINE, MAIN_TRACK))
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charge_state.can_charge = false
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return this.main_track_states.idle
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end
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if (input == this.INPUT_CHARING_EXIT) then
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context:runAnimation("charge_out", context:getTrack(STATIC_TRACK_LINE, MAIN_TRACK), false, PLAY_ONCE_STOP, 0.3)
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return this.main_track_states.idle
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end
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end
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-- 用元表的方式继承默认状态机的属性
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local M = setmetatable({
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main_track_states = setmetatable({
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idle = idle_state,
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charge = charge_state
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}, {__index = main_track_states}),
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INPUT_RELOAD_RETREAT = "reload_retreat",
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INPUT_CHARING = "input_charging",
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INPUT_CHARING_EXIT = "input_charging_exit"
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}, {__index = default})
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-- 先调用父级状态机的初始化函数，然后进行自己的初始化
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function M:initialize(context)
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default.initialize(self, context)
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self.main_track_states.charge.can_charge = true
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end
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-- 导出状态机
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return M |