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-rw-r--r--mesecons_mvps/init.lua21
1 files changed, 18 insertions, 3 deletions
diff --git a/mesecons_mvps/init.lua b/mesecons_mvps/init.lua
index beec94b..2f4edfc 100644
--- a/mesecons_mvps/init.lua
+++ b/mesecons_mvps/init.lua
@@ -15,10 +15,16 @@ end
-- Nodes that cannot be pushed / pulled by movestones, pistons
function mesecon.is_mvps_stopper(node, pushdir, stack, stackid)
+ -- unknown nodes are always stoppers
+ if not minetest.registered_nodes[node.name] then
+ return true
+ end
+
local get_stopper = mesecon.mvps_stoppers[node.name]
if type (get_stopper) == "function" then
get_stopper = get_stopper(node, pushdir, stack, stackid)
end
+
return get_stopper
end
@@ -47,6 +53,17 @@ function mesecon.mvps_process_stack(stack)
end
end
+-- tests if the node can be pushed into, e.g. air, water, grass
+local function node_replaceable(name)
+ if name == "ignore" then return true end
+
+ if minetest.registered_nodes[name] then
+ return minetest.registered_nodes[name].buildable_to or false
+ end
+
+ return false
+end
+
function mesecon.mvps_get_stack(pos, dir, maximum, all_pull_sticky)
-- determine the number of nodes to be pushed
local nodes = {}
@@ -56,9 +73,7 @@ function mesecon.mvps_get_stack(pos, dir, maximum, all_pull_sticky)
local np = frontiers[1]
local nn = minetest.get_node(np)
- if nn.name ~= "air"
- and minetest.registered_nodes[nn.name]
- and minetest.registered_nodes[nn.name].liquidtype == "none" then
+ if not node_replaceable(nn.name) then
table.insert(nodes, {node = nn, pos = np})
if #nodes > maximum then return nil end