destroy sign entities if sign node is exploded

display_api/display.lua

@@ -289,6 +289,16 @@ function display_api.on_destruct(pos)
 	end
 end
 
+function display_api.on_blast(pos, intensity)
+	if not minetest.is_protected(pos, "tnt:blast") then
+		local node = minetest.get_node(pos)
+		local drops = minetest.get_node_drops(node, "tnt:blast")
+		minetest.remove_node(pos)
+		display_api.on_destruct(pos)
+		return drops
+	end
+end
+
 -- On_rotate (screwdriver) callback for display_api items. Prevents invalid
 -- rotations and reorients entities.
 function display_api.on_rotate(pos, node, user, _, new_param2)

ontime_clocks/nodes.lua

@@ -48,6 +48,7 @@ minetest.register_node("ontime_clocks:green_digital", {
 	on_place = display_api.on_place,
 	on_construct = display_api.on_construct,
 	on_destruct = display_api.on_destruct,
+	on_blast = display_api.on_blast,
 	on_rotate = display_api.on_rotate,
 })
 
@@ -86,6 +87,7 @@ minetest.register_node("ontime_clocks:red_digital", {
 	on_place = display_api.on_place,
 	on_construct = display_api.on_construct,
 	on_destruct = display_api.on_destruct,
+	on_blast = display_api.on_blast,
 	on_rotate = display_api.on_rotate,
 })
 
@@ -124,6 +126,7 @@ minetest.register_node("ontime_clocks:white", {
 	on_place = display_api.on_place,
 	on_construct = display_api.on_construct,
 	on_destruct = display_api.on_destruct,
+	on_blast = display_api.on_blast,
 	on_rotate = display_api.on_rotate,
 })
 
@@ -161,6 +164,7 @@ minetest.register_node("ontime_clocks:frameless_black", {
 	on_place = display_api.on_place,
 	on_construct = display_api.on_construct,
 	on_destruct = display_api.on_destruct,
+	on_blast = display_api.on_blast,
 	on_rotate = display_api.on_rotate,
 })
 
@@ -198,6 +202,7 @@ minetest.register_node("ontime_clocks:frameless_gold", {
 	on_place = display_api.on_place,
 	on_construct = display_api.on_construct,
 	on_destruct = display_api.on_destruct,
+	on_blast = display_api.on_blast,
 	on_rotate = display_api.on_rotate,
 })
 
@@ -235,6 +240,7 @@ minetest.register_node("ontime_clocks:frameless_white", {
 	on_place = display_api.on_place,
 	on_construct = display_api.on_construct,
 	on_destruct = display_api.on_destruct,
+	on_blast = display_api.on_blast,
 	on_rotate = display_api.on_rotate,
 })
 

signs_api/init.lua

@@ -218,6 +218,7 @@ function signs_api.register_sign(mod, name, model)
 				display_api.on_construct(pos)
 			end,
 		on_destruct = display_api.on_destruct,
+		on_blast = display_api.on_blast,
 		on_rotate = signs_api.on_rotate,
 		on_receive_fields =  signs_api.on_receive_fields,
 		on_punch = function(pos, node, player, pointed_thing)

steles/nodes.lua

@@ -74,6 +74,7 @@ for i, material in ipairs(steles.materials) do
 					display_api.on_construct(pos)
 				end,
 			on_destruct = display_api.on_destruct,
+			on_blast = display_api.on_blast,
 			on_rotate = display_api.on_rotate,
 			on_receive_fields = function(pos, formname, fields, player)
 					if not minetest.is_protected(pos, player:get_player_name()) then