local CONST = require 'config.const'
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local Balance = require 'config.balance'
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local M = {}
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local spawn_points = {}
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local ITEM_POOL = {
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{ key = CONST.ITEM_POISON, weight = 15 },
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{ key = CONST.ITEM_KNIFE, weight = 10 },
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{ key = CONST.ITEM_ARMOR, weight = 15 },
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{ key = CONST.ITEM_SMOKE, weight = 15 },
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{ key = CONST.ITEM_MASK, weight = 8 },
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{ key = CONST.ITEM_TRACKER, weight = 15 },
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{ key = CONST.ITEM_SILENCER, weight = 10 },
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{ key = CONST.ITEM_JAMMER, weight = 12 },
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}
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-- ---------------------------------------------------------
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-- 初始化
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-- ---------------------------------------------------------
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function M.init()
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local areas = clicli.area.get_circle_areas_by_tag('item_spawn')
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for _, area in ipairs(areas) do
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local sp = {
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area = area,
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current_item = nil,
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respawn_timer = nil,
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}
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M.spawn_item(sp)
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table.insert(spawn_points, sp)
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end
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clicli.game:subscribe_event('单位-获得物品', function(trg, data)
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local unit = data.unit
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if unit and unit:has_tag('player_controlled') then
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local Suspicion = require 'systems.suspicion'
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Suspicion.add(unit, 3)
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M.on_item_picked_by_unit(data.item)
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end
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end)
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end
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-- ---------------------------------------------------------
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-- 在刷新点生成物品
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-- ---------------------------------------------------------
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function M.spawn_item(sp)
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local item_key = M.roll_item()
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local pos = sp.area:get_center_point()
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local item = clicli.item.create_item(pos, item_key)
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sp.current_item = item
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end
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-- ---------------------------------------------------------
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-- 物品权重随机
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-- ---------------------------------------------------------
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function M.roll_item()
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local total = 0
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for _, e in ipairs(ITEM_POOL) do
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total = total + e.weight
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end
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local r = math.random(total)
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local acc = 0
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for _, e in ipairs(ITEM_POOL) do
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acc = acc + e.weight
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if r <= acc then return e.key end
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end
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return ITEM_POOL[1].key
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end
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-- ---------------------------------------------------------
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-- 被拾取后，找到对应刷新点并开始刷新倒计时
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-- ---------------------------------------------------------
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function M.on_item_picked_by_unit(item)
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for _, sp in ipairs(spawn_points) do
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if sp.current_item == item then
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M.on_item_picked(sp)
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break
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end
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end
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end
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function M.on_item_picked(sp)
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sp.current_item = nil
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local delay = Balance.ITEM_RESPAWN_TIME
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local GameMgr = require 'core.game_manager'
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if GameMgr.get_state() == 'overtime' then
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delay = delay * 0.5
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end
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sp.respawn_timer = clicli.timer.wait(delay, function()
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M.spawn_item(sp)
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end)
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end
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return M
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