From 1357bd5555c7cfdea62305254b0dcb8076e9287a Mon Sep 17 00:00:00 2001 From: Wuzzy Date: Sat, 27 May 2017 18:09:11 +0200 Subject: [PATCH] Restrict button placement on solid opaque cubes --- mods/ITEMS/REDSTONE/mesecons_button/init.lua | 39 ++++++++++++++++++++ 1 file changed, 39 insertions(+) diff --git a/mods/ITEMS/REDSTONE/mesecons_button/init.lua b/mods/ITEMS/REDSTONE/mesecons_button/init.lua index 64f7f54af..92fc7b798 100644 --- a/mods/ITEMS/REDSTONE/mesecons_button/init.lua +++ b/mods/ITEMS/REDSTONE/mesecons_button/init.lua @@ -43,6 +43,43 @@ local boxes_on = { wall_top = { -4/16, 7/16, -2/16, 4/16, 8/16, 2/16 }, } +local on_button_place = function(itemstack, placer, pointed_thing) + if pointed_thing.type ~= "node" then + -- no interaction possible with entities + return itemstack + end + + local under = pointed_thing.under + local node = minetest.get_node(under) + local def = minetest.registered_nodes[node.name] + local groups = def.groups + + -- Check special rightclick action of pointed node + if def and def.on_rightclick then + if not placer:get_player_control().sneak then + return def.on_rightclick(under, node, placer, itemstack, + pointed_thing) or itemstack, false + end + end + + -- Only allow placement on full-cube solid opaque nodes + if (not groups) or (not groups.solid) or (not groups.opaque) or (def.node_box and def.node_box.type ~= "regular") then + return itemstack + end + + local above = pointed_thing.above + + local idef = itemstack:get_definition() + local success = minetest.item_place_node(itemstack, placer, pointed_thing) + + if success then + if idef.sounds and idef.sounds.place then + minetest.sound_play(idef.sounds.place, {pos=above, gain=1}) + end + end + return itemstack +end + local buttonuse = "Rightclick the button to push it." minetest.register_node("mesecons_button:button_stone_off", { drawtype = "nodebox", @@ -61,6 +98,7 @@ minetest.register_node("mesecons_button:button_stone_off", { description = "Stone Button", _doc_items_longdesc = "A stone button is a redstone component made out of stone which can be pushed to provide redstone power. When pushed, it powers adjacent redstone components for 1 second.", _doc_items_usagehelp = buttonuse, + on_place = on_button_place, on_rightclick = function (pos, node) mesecon:swap_node(pos, "mesecons_button:button_stone_on") mesecon:receptor_on(pos, button_get_output_rules(node)) @@ -117,6 +155,7 @@ minetest.register_node("mesecons_button:button_wood_off", { description = "Wooden Button", _doc_items_longdesc = "A wooden button is a redstone component made out of wood which can be pushed to provide redstone power. When pushed, it powers adjacent redstone components for 1.5 seconds.", _doc_items_usagehelp = buttonuse, + on_place = on_button_place, on_rightclick = function (pos, node) mesecon:swap_node(pos, "mesecons_button:button_wood_on") mesecon:receptor_on(pos, button_get_output_rules(node))