From 2f4f196eafcc5da8dc871730a97b3d5412229952 Mon Sep 17 00:00:00 2001 From: Wuzzy Date: Wed, 29 Mar 2017 22:12:24 +0200 Subject: [PATCH] Make some nodes drop when pushed by piston --- mods/ITEMS/REDSTONE/mesecons_mvps/init.lua | 58 +++++++++++++++++++--- 1 file changed, 52 insertions(+), 6 deletions(-) diff --git a/mods/ITEMS/REDSTONE/mesecons_mvps/init.lua b/mods/ITEMS/REDSTONE/mesecons_mvps/init.lua index ea058dedb..10114af21 100644 --- a/mods/ITEMS/REDSTONE/mesecons_mvps/init.lua +++ b/mods/ITEMS/REDSTONE/mesecons_mvps/init.lua @@ -1,7 +1,9 @@ ---register stoppers for movestones/pistons - +-- Register stoppers for pistons 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) local get_stopper = mesecon.mvps_stoppers[node.name] if type (get_stopper) == "function" then @@ -17,6 +19,21 @@ function mesecon:register_mvps_stopper(nodename, get_stopper) mesecon.mvps_stoppers[nodename] = get_stopper 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) -- update mesecons for placed nodes ( has to be done after all nodes have been added ) 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 + local first_dropper = nil -- 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() + 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) + if is_dropper then + first_dropper = id + break + end end -- 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:update_autoconnect(n.pos) end -- 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) minetest.add_node(np, n.node) minetest.get_meta(np):from_table(n.meta) end 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) end @@ -86,7 +124,8 @@ function mesecon:mvps_pull_single(pos, dir) -- pos: pos of mvps; direction: dire nn = minetest.get_node(np) 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() minetest.remove_node(np) 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_on") 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")