【Lua实战】野蛮冲撞位移判定：推撞距离的格子探测与边界保护

function beginmagic(actor)
    local player = class(actor)
    local now = os.time()
    local last = tonumber(getplayvar(actor, 2, "RUSH_T") or "0")
    if now - last < 8 then
        sendmsg(actor, 0, "野蛮冲撞冷却中，剩余" .. (8 - (now - last)) .. "秒")
        return
    end
    setplayvar(actor, "HUMAN", "RUSH_T", now, 1)
end

local function probePush(sx, sy, dx, dy)
    local steps = 0
    for i = 1, 3 do
        local nx, ny = sx + dx * i, sy + dy * i
        if gridattr(nx, ny) ~= 0 then
            break
        end
        steps = i
    end
    return steps
end