【安全加密】规则引擎：风控规则的可视化配置

local RULES = {
    { field = "gold",  op = ">",  value = 1000000, action = "flag" },
    { field = "kill",  op = ">",  value = 800,     action = "mark" },
}
local OPS = {
    [">"]   = function(a, b) return a > b end,
    ["<"]   = function(a, b) return a < b end,
    ["=="]  = function(a, b) return a == b end,
}
local function evalRule(rule, context)
    local fn = OPS[rule.op]
    if fn == nil then return false end
    return fn(context[rule.field], rule.value)
end

local ACTIONS = {
    flag = function(ctx) setplayvar(ctx.actor, "HUMAN", "RISK_FLAG", ctx.field, 1) end,
    mark = function(ctx) setplayvar(ctx.actor, "HUMAN", "RISK_MARK", ctx.field, 1) end,
}
local function runRules(ctx)
    for _, r in ipairs(RULES) do
        if evalRule(r, ctx) then
            local fn = ACTIONS[r.action]
            if fn then fn(ctx) end
        end
    end
end