【Lua实战】行为树入门：用表结构描述祖玛教主的AI决策

local BT = {}
function BT.select(nodes, ctx)
    for _, n in ipairs(nodes) do
        if n.run(ctx) then return true end
    end
    return false
end
function BT.sequence(nodes, ctx)
    for _, n in ipairs(nodes) do
        if not n.run(ctx) then return false end
    end
    return true
end

local tree = {
    run = function(ctx)
        return BT.sequence({
            { run = function(c) return c.hp / c.maxhp < 0.9 end },
            { run = function(c)
                if c.cd > 0 then return false end
                genmon(c.map, c.x + math.random(-2, 2), c.y + math.random(-2, 2), "祖玛卫士", 1)
                c.cd = 8
                return true
            end },
        }, ctx)
    end,
}