paper poster fix

common.lua

@@ -1,4 +1,10 @@
 
+epic.debug = function(msg)
+	if epic.log_executor then
+		minetest.log("action", "[epic] " .. msg)
+	end
+end
+
 -- converts a pos to a relative one in respect to the node_pos
 epic.to_relative_pos = function(node_pos, remote_abs_pos)
 	if not node_pos or not remote_abs_pos then

compat/signs_paper_poster.lua

@@ -6,22 +6,24 @@ assert(def)
 local closed_forms = {}
 
 local old_on_receive_fields = def.on_receive_fields
-def.on_receive_fields = function(pos, formname, fields, player)
-	closed_forms[player:get_player_name()] = true
-	old_on_receive_fields(pos, formname, fields, player)
-end
 
-def.groups.epic = 1
-def.epic = {
-	on_enter = function(pos, _, player)
-		closed_forms[player:get_player_name()] = nil
-		local node = epic.get_node(pos)
-		def.on_rightclick(pos, node, player)
+minetest.override_item("signs:paper_poster", {
+	on_receive_fields = function(pos, formname, fields, player)
+		closed_forms[player:get_player_name()] = true
+		old_on_receive_fields(pos, formname, fields, player)
 	end,
-	on_check = function(_, _, player, ctx)
-		if closed_forms[player:get_player_name()] then
+
+	epic = {
+		on_enter = function(pos, _, player)
 			closed_forms[player:get_player_name()] = nil
-			ctx.next()
+			local node = epic.get_node(pos)
+			def.on_rightclick(pos, node, player)
+		end,
+		on_check = function(_, _, player, ctx)
+			if closed_forms[player:get_player_name()] then
+				closed_forms[player:get_player_name()] = nil
+				ctx.next()
+			end
 		end
-	end
-}
+	}
+})

executor.lua

@@ -39,12 +39,16 @@ execute_player_state = function(playername, state)
 
   if not epic.is_epic(node) then
     -- no more instructions in this branch
+    epic.debug("[executor] no more instructions in this branch @ " ..
+      minetest.pos_to_string(pos) .. " node: " .. node.name)
 
     if #state.stack > 0 then
       -- pop stack
       state.ip = table.remove(state.stack, #state.stack)
       state.initialized = false
       state.step_data = {}
+      epic.debug("[executor] pop stack result: " .. minetest.pos_to_string(state.ip))
+
       execute_player_state(playername, state)
     else
       -- done