diff options
Diffstat (limited to 'mesecons_pistons')
-rw-r--r-- | mesecons_pistons/doc/piston/description.html | 2 | ||||
-rw-r--r-- | mesecons_pistons/doc/piston_sticky/description.html | 3 | ||||
-rw-r--r-- | mesecons_pistons/init.lua | 17 |
3 files changed, 17 insertions, 5 deletions
diff --git a/mesecons_pistons/doc/piston/description.html b/mesecons_pistons/doc/piston/description.html index d95dfb9..b9dffaa 100644 --- a/mesecons_pistons/doc/piston/description.html +++ b/mesecons_pistons/doc/piston/description.html @@ -1 +1,3 @@ Pistons are effectors, they push up to 20 blocks in front of them. The push direction can be set by placing them from different angles. +A piston pointing into an unloaded block won't extend. +A piston retracting from an unloaded block works, but gravity-sensitive nodes above the empty space may not fall. diff --git a/mesecons_pistons/doc/piston_sticky/description.html b/mesecons_pistons/doc/piston_sticky/description.html index 3974097..580b76f 100644 --- a/mesecons_pistons/doc/piston_sticky/description.html +++ b/mesecons_pistons/doc/piston_sticky/description.html @@ -1 +1,4 @@ Sticky pistons are effectors, they push up to 20 blocks in front of them. The push direction can be set by placing them from different angles. Sticky ones also pull 1 block. +A sticky piston pointing into an unloaded block won't extend. +A sticky piston retracting from within an unloaded block works and pulls a node, but if it doesn't pull anything, then gravity-sensitive nodes above the empty space may not fall. +An extended sticky piston that touches the surface of an unloaded block and loses signal retracts but doesn't pull anything. diff --git a/mesecons_pistons/init.lua b/mesecons_pistons/init.lua index 386cffa..56a3f73 100644 --- a/mesecons_pistons/init.lua +++ b/mesecons_pistons/init.lua @@ -55,7 +55,7 @@ local function piston_get_rules(node) return rules end -local function piston_remove_pusher(pos, node) +local function piston_remove_pusher(pos, node, check_falling) local pistonspec = get_pistonspec(node.name, "onname") local dir = vector.multiply(minetest.facedir_to_dir(node.param2), -1) local pusherpos = vector.add(pos, dir) @@ -72,7 +72,14 @@ local function piston_remove_pusher(pos, node) max_hear_distance = 20, gain = 0.3, }) - minetest.check_for_falling(pusherpos) + + if check_falling then + minetest.check_for_falling(pusherpos) + end +end + +local function piston_after_dig(pos, node) + piston_remove_pusher(pos, node, true) end local piston_on = function(pos, node) @@ -97,7 +104,7 @@ end local function piston_off(pos, node) local pistonspec = get_pistonspec(node.name, "onname") minetest.set_node(pos, {param2 = node.param2, name = pistonspec.offname}) - piston_remove_pusher(pos, node) + piston_remove_pusher(pos, node, not pistonspec.sticky) if not pistonspec.sticky then return @@ -293,7 +300,7 @@ minetest.register_node("mesecons_pistons:piston_normal_on", { paramtype2 = "facedir", is_ground_content = false, drop = "mesecons_pistons:piston_normal_off", - after_dig_node = piston_remove_pusher, + after_dig_node = piston_after_dig, node_box = piston_on_box, selection_box = piston_on_box, sounds = default.node_sound_wood_defaults(), @@ -371,7 +378,7 @@ minetest.register_node("mesecons_pistons:piston_sticky_on", { paramtype2 = "facedir", is_ground_content = false, drop = "mesecons_pistons:piston_sticky_off", - after_dig_node = piston_remove_pusher, + after_dig_node = piston_after_dig, node_box = piston_on_box, selection_box = piston_on_box, sounds = default.node_sound_wood_defaults(), |