diff options
Diffstat (limited to 'mesecons/util.lua')
| -rw-r--r-- | mesecons/util.lua | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/mesecons/util.lua b/mesecons/util.lua index 3827dce..d95f216 100644 --- a/mesecons/util.lua +++ b/mesecons/util.lua @@ -273,3 +273,34 @@ mesecon.forceloaded_blocks = mesecon.file2table("mesecon_forceloaded") minetest.register_on_shutdown(function() mesecon.table2file("mesecon_forceloaded", mesecon.forceloaded_blocks) end) + +-- Autoconnect Hooks +-- Nodes like conductors may change their appearance and their connection rules +-- right after being placed or after being dug, e.g. the default wires use this +-- to automatically connect to linking nodes after placement. +-- After placement, the update function will be executed immediately so that the +-- possibly changed rules can be taken into account when recalculating the circuit. +-- After digging, the update function will be queued and executed after +-- recalculating the circuit. The update function must take care of updating the +-- node at the given position itself, but also all of the other nodes the given +-- position may have (had) a linking connection to. +mesecon.autoconnect_hooks = {} + +-- name: A unique name for the hook, e.g. "foowire". Used to name the actionqueue function. +-- fct: The update function with parameters function(pos, node) +function mesecon.register_autoconnect_hook(name, fct) + mesecon.autoconnect_hooks[name] = fct + mesecon.queue:add_function("autoconnect_hook_"..name, fct) +end + +function mesecon.execute_autoconnect_hooks_now(pos, node) + for _, fct in pairs(mesecon.autoconnect_hooks) do + fct(pos, node) + end +end + +function mesecon.execute_autoconnect_hooks_queue(pos, node) + for name in pairs(mesecon.autoconnect_hooks) do + mesecon.queue:add_action(pos, "autoconnect_hook_"..name, {node}) + end +end |