1
0
Fork 0

Blocks with dig_by_piston no longer fill up the push limit

Fix for broken nodes (e.g. sugar cane) not updating and leaving floating bits

Short-term fix for minetest.dig_node not always working (checking for group dig_immediate = 3)
This commit is contained in:
seventeenthShulker 2023-06-18 20:59:37 +02:00
parent 262100be24
commit f2eca64e42
1 changed files with 42 additions and 19 deletions

View File

@ -117,7 +117,7 @@ local function is_available(pos)
return false, n
end
if minetest.registered_nodes[name] then
return minetest.registered_nodes[name].buildable_to, n or false, n
return minetest.registered_nodes[name].buildable_to or minetest.get_item_group(name, "dig_by_piston") == 1, n or false, n
end
return false, n
end
@ -126,6 +126,7 @@ end
function mesecon.mvps_get_stack(pos, dir, maximum, piston_pos)
-- determine the number of nodes to be pushed
local nodes = {}
local dig_nodes = {}
local frontiers = {pos}
while #frontiers > 0 do
@ -141,8 +142,13 @@ function mesecon.mvps_get_stack(pos, dir, maximum, piston_pos)
end
if not node_replaceable(nn.name) then
if #nodes >= maximum then return nil, false end
table.insert(nodes, {node = nn, pos = {x=np.x, y=np.y, z=np.z}})
if minetest.get_item_group(nn.name, "dig_by_piston") == 1 then
-- if we want the node to drop, e.g. sugar cane, do not count towards push limit
table.insert(dig_nodes, {node = nn, pos = {x=np.x, y=np.y, z=np.z}})
else
table.insert(nodes, {node = nn, pos = {x=np.x, y=np.y, z=np.z}})
if #nodes > maximum then return nil, nil, false, true end
end
-- add connected nodes to frontiers, connected is a vector list
-- the vectors must be absolute positions
@ -152,10 +158,9 @@ function mesecon.mvps_get_stack(pos, dir, maximum, piston_pos)
and minetest.registered_nodes[nn.name].mvps_sticky then
connected, has_loop = minetest.registered_nodes[nn.name].mvps_sticky(np, nn, piston_pos)
if has_loop then
return {}, true
return {}, {}, true, false
end
end
table.insert(connected, vector.add(np, dir))
-- Make sure there are no duplicates in frontiers / nodes before
@ -172,7 +177,7 @@ function mesecon.mvps_get_stack(pos, dir, maximum, piston_pos)
duplicate = true
end
end
if not duplicate and not mesecon.is_mvps_stopper(minetest.get_node(cp)) then
if not duplicate and not mesecon.is_mvps_stopper(minetest.get_node(cp)) and minetest.get_item_group(nn.name, "dig_by_piston") == 0 then
table.insert(frontiers, cp)
end
end
@ -180,7 +185,7 @@ function mesecon.mvps_get_stack(pos, dir, maximum, piston_pos)
table.remove(frontiers, 1)
end
return nodes, false
return nodes, dig_nodes, false, false
end
function mesecon.mvps_set_owner(pos, placer)
@ -222,14 +227,14 @@ end
-- movedir: direction of actual movement
-- maximum: maximum nodes to be pushed
function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, player_name, piston_pos)
local nodes, has_loop = mesecon.mvps_get_stack(pos, movedir, maximum, piston_pos)
local nodes, dig_nodes, has_loop, too_many = mesecon.mvps_get_stack(pos, movedir, maximum, piston_pos)
if has_loop then
if has_loop or too_many then
return false
end
if not nodes then return end
local newpos={}
-- check node availability to push/pull into, and fill newpos[i]
for i in ipairs(nodes) do
@ -253,18 +258,36 @@ function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, player_name,
end
end
if are_protected(nodes, player_name) then
local all_nodes = nodes
if dig_nodes and #dig_nodes > 0 then all_nodes = mesecon.mergetable(dig_nodes, nodes) end
if are_protected(all_nodes, player_name) then
return
end
local first_dropper = nil
-- remove all nodes
for id, n in ipairs(nodes) do
for id, n in ipairs(all_nodes) do
n.meta = minetest.get_meta(n.pos):to_table()
local is_dropper = mesecon.is_mvps_dropper(n.node, movedir, nodes, id)
local is_dropper = mesecon.is_mvps_dropper(n.node, movedir, all_nodes, id)
if is_dropper then
--local drops = minetest.get_node_drops(n.node.name, "")
minetest.dig_node(n.pos)
-- minetest.dig_node has been shown to be buggy (https://git.minetest.land/MineClone2/MineClone2/issues/3547)
if minetest.get_item_group(n.node.name, "dig_immediate") == 3 then
-- should dig as normal
minetest.dig_node(n.pos)
else
-- simulate dig_node because nothing drops otherwise
local drops = minetest.get_node_drops(n.node.name, "")
minetest.remove_node(n.pos)
for _, callback in pairs(minetest.registered_on_dignodes) do
callback(n.pos, n)
end
for _, item in ipairs(drops) do
if type(item) ~= "string" then
item = item:get_name() .. item:get_count()
end
minetest.add_item(n.pos, item)
end
end
else
minetest.remove_node(n.pos)
local node_timer = minetest.get_node_timer(n.pos)
@ -273,13 +296,13 @@ function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, player_name,
end
end
if is_dropper then
first_dropper = id
break
-- get id of the first dropper, but we still let everything else drop, so don't break here
if not first_dropper then first_dropper = id end
end
end
-- update mesecons for removed nodes ( has to be done after all nodes have been removed )
for id, n in ipairs(nodes) do
for id, n in ipairs(all_nodes) do
if first_dropper and id >= first_dropper then
break
end
@ -287,7 +310,7 @@ function mesecon.mvps_push_or_pull(pos, stackdir, movedir, maximum, player_name,
end
-- add nodes
for id, n in ipairs(nodes) do
for id, n in ipairs(all_nodes) do
if first_dropper and id >= first_dropper then
break
end