Make some nodes drop when pushed by piston

This commit is contained in:
Wuzzy 2017-03-29 22:12:24 +02:00
parent 096de10b1a
commit 2f4f196eaf
1 changed files with 52 additions and 6 deletions

View File

@ -1,7 +1,9 @@
--register stoppers for movestones/pistons -- Register stoppers for pistons
mesecon.mvps_stoppers={} mesecon.mvps_stoppers={}
-- Register nodes which drop as item when pushed or pulled
mesecon.mvps_droppers={}
function mesecon:is_mvps_stopper(node, pushdir, stack, stackid) function mesecon:is_mvps_stopper(node, pushdir, stack, stackid)
local get_stopper = mesecon.mvps_stoppers[node.name] local get_stopper = mesecon.mvps_stoppers[node.name]
if type (get_stopper) == "function" then if type (get_stopper) == "function" then
@ -17,6 +19,21 @@ function mesecon:register_mvps_stopper(nodename, get_stopper)
mesecon.mvps_stoppers[nodename] = get_stopper mesecon.mvps_stoppers[nodename] = get_stopper
end end
function mesecon:is_mvps_dropper(node, pushdir, stack, stackid)
local get_dropper = mesecon.mvps_droppers[node.name]
if type (get_dropper) == "function" then
get_dropper = get_dropper(node, pushdir, stack, stackid)
end
return get_dropper
end
function mesecon:register_mvps_dropper(nodename, get_dropper)
if get_dropper == nil then
get_dropper = true
end
mesecon.mvps_droppers[nodename] = get_dropper
end
function mesecon:mvps_process_stack(stack) function mesecon:mvps_process_stack(stack)
-- update mesecons for placed nodes ( has to be done after all nodes have been added ) -- update mesecons for placed nodes ( has to be done after all nodes have been added )
for _, n in ipairs(stack) do for _, n in ipairs(stack) do
@ -55,26 +72,47 @@ function mesecon:mvps_push(pos, dir, maximum) -- pos: pos of mvps; dir: directio
end end
end end
local first_dropper = nil
-- remove all nodes -- remove all nodes
for _, n in ipairs(nodes) do for id, n in ipairs(nodes) do
n.meta = minetest.get_meta(n.pos):to_table() n.meta = minetest.get_meta(n.pos):to_table()
local is_dropper = mesecon:is_mvps_dropper(n.node, dir, nodes, id)
if is_dropper then
minetest.log("error", "DROPPER @ "..minetest.pos_to_string(n.pos))
local drops = minetest.get_node_drops(n.node.name, "")
local droppos = vector.add(n.pos, dir)
minetest.handle_node_drops(droppos, drops, nil)
end
minetest.remove_node(n.pos) minetest.remove_node(n.pos)
if is_dropper then
first_dropper = id
break
end
end end
-- update mesecons for removed nodes ( has to be done after all nodes have been removed ) -- update mesecons for removed nodes ( has to be done after all nodes have been removed )
for _, n in ipairs(nodes) do for id, n in ipairs(nodes) do
if first_dropper and id >= first_dropper then
break
end
mesecon.on_dignode(n.pos, n.node) mesecon.on_dignode(n.pos, n.node)
mesecon:update_autoconnect(n.pos) mesecon:update_autoconnect(n.pos)
end end
-- add nodes -- add nodes
for _, n in ipairs(nodes) do for id, n in ipairs(nodes) do
if first_dropper and id >= first_dropper then
break
end
np = mesecon:addPosRule(n.pos, dir) np = mesecon:addPosRule(n.pos, dir)
minetest.add_node(np, n.node) minetest.add_node(np, n.node)
minetest.get_meta(np):from_table(n.meta) minetest.get_meta(np):from_table(n.meta)
end end
for i in ipairs(nodes) do for i in ipairs(nodes) do
if first_dropper and i >= first_dropper then
break
end
nodes[i].pos = mesecon:addPosRule(nodes[i].pos, dir) nodes[i].pos = mesecon:addPosRule(nodes[i].pos, dir)
end end
@ -86,7 +124,8 @@ function mesecon:mvps_pull_single(pos, dir) -- pos: pos of mvps; direction: dire
nn = minetest.get_node(np) nn = minetest.get_node(np)
if minetest.registered_nodes[nn.name].liquidtype == "none" if minetest.registered_nodes[nn.name].liquidtype == "none"
and not mesecon:is_mvps_stopper(nn, {x = -dir.x, y = -dir.y, z = -dir.z}, {{pos = np, node = nn}}, 1) then and not mesecon:is_mvps_stopper(nn, {x = -dir.x, y = -dir.y, z = -dir.z}, {{pos = np, node = nn}}, 1)
and not mesecon:is_mvps_dropper(nn, {x = -dir.x, y = -dir.y, z = -dir.z}, {{pos = np, node = nn}}, 1) then
local meta = minetest.get_meta(np):to_table() local meta = minetest.get_meta(np):to_table()
minetest.remove_node(np) minetest.remove_node(np)
minetest.add_node(pos, nn) minetest.add_node(pos, nn)
@ -154,3 +193,10 @@ mesecon:register_mvps_stopper("mesecons_solarpanel:solar_panel_on")
mesecon:register_mvps_stopper("mesecons_solarpanel:solar_panel_inverted_off") mesecon:register_mvps_stopper("mesecons_solarpanel:solar_panel_inverted_off")
mesecon:register_mvps_stopper("mesecons_solarpanel:solar_panel_inverted_on") mesecon:register_mvps_stopper("mesecons_solarpanel:solar_panel_inverted_on")
mesecon:register_mvps_stopper("mesecons_noteblock:noteblock") mesecon:register_mvps_stopper("mesecons_noteblock:noteblock")
mesecon:register_mvps_dropper("mcl_core:cactus")
mesecon:register_mvps_dropper("mcl_core:cobweb")
mesecon:register_mvps_dropper("mcl_farming:melon")
mesecon:register_mvps_dropper("mcl_farming:pumpkin")
mesecon:register_mvps_dropper("beds:bed_top")
mesecon:register_mvps_dropper("beds:bed_bottom")