diff options
Diffstat (limited to 'mesecons_luacontroller')
| -rw-r--r-- | mesecons_luacontroller/init.lua | 43 |
1 files changed, 25 insertions, 18 deletions
diff --git a/mesecons_luacontroller/init.lua b/mesecons_luacontroller/init.lua index d10fd20..bbbd280 100644 --- a/mesecons_luacontroller/init.lua +++ b/mesecons_luacontroller/init.lua @@ -163,19 +163,18 @@ end ----------------- -- Overheating -- ----------------- - -local function overheat_off(pos) - mesecon.receptor_off(pos, mesecon.rules.flat) +local function burn_controller(pos) + local node = minetest.get_node(pos) + node.name = BASENAME.."_burnt" + minetest.swap_node(pos, node) + minetest.get_meta(pos):set_string("lc_memory", ""); + -- Wait for pending operations + minetest.after(0.2, mesecon.receptor_off, pos, mesecon.rules.flat) end - local function overheat(pos, meta) if mesecon.do_overheat(pos) then -- If too hot - local node = minetest.get_node(pos) - node.name = BASENAME.."_burnt" - minetest.swap_node(pos, node) - -- Wait for pending operations - minetest.after(0.2, overheat_off, pos) + burn_controller(pos) return true end end @@ -379,12 +378,17 @@ local function load_memory(meta) end -local function save_memory(meta, mem) - meta:set_string("lc_memory", - minetest.serialize( - remove_functions(mem) - ) - ) +local function save_memory(pos, meta, mem) + local memstring = minetest.serialize(remove_functions(mem)) + local memsize_max = mesecon.setting("luacontroller_memsize", 100000) + + if (#memstring <= memsize_max) then + meta:set_string("lc_memory", memstring) + else + print("Error: Luacontroller memory overflow. "..memsize_max.." bytes available, " + ..#memstring.." required. Controller overheats.") + burn_controller(pos) + end end @@ -412,15 +416,17 @@ local function run(pos, event) return "Ports set are invalid." end - save_memory(meta, env.mem) - -- Actually set the ports set_port_states(pos, env.port) + + -- Save memory. This may burn the luacontroller if a memory overflow occurs. + save_memory(pos, meta, env.mem) end mesecon.queue:add_function("lc_interrupt", function (pos, luac_id, iid) - -- There is no luacontroller anymore / it has been reprogrammed / replaced + -- There is no luacontroller anymore / it has been reprogrammed / replaced / burnt if (minetest.get_meta(pos):get_int("luac_id") ~= luac_id) then return end + if (minetest.registered_nodes[minetest.get_node(pos).name].is_burnt) then return end run(pos, {type="interrupt", iid = iid}) end) @@ -595,6 +601,7 @@ minetest.register_node(BASENAME .. "_burnt", { "jeija_microcontroller_sides.png" }, inventory_image = "jeija_luacontroller_burnt_top.png", + is_burnt = true, paramtype = "light", groups = {dig_immediate=2, not_in_creative_inventory=1}, drop = BASENAME.."0000", |