start epic if the savegame points to it

common.lua

@@ -1,4 +1,29 @@
 
+-- starts the configured epic node at position
+epic.start = function(playername, pos)
+
+	local player = minetest.get_player_by_name(playername)
+
+	if not player then
+		-- player not online
+		return false
+	end
+
+	local meta = minetest.get_meta(pos)
+	local main_pos = epic.to_absolute_pos(pos, minetest.string_to_pos(meta:get_string("main_pos")))
+	local exit_pos = epic.to_absolute_pos(pos, minetest.string_to_pos(meta:get_string("exit_pos")))
+	local epic_name = meta:get_string("name")
+
+	if not main_pos then
+		-- no main position
+		return false
+	end
+
+	-- start epic
+	epic.execute_epic(player, main_pos, exit_pos, epic_name)
+	return true
+end
+
 -- abort epic if running
 epic.abort = function(playername)
 	if epic.state[playername] then
@@ -133,7 +158,7 @@ epic.is_epic = function(node)
   return nodedef.epic ~= nil
 end
 
--- executes an epic
+-- executes an epic with main and optional exit function
 epic.execute_epic = function(player, main_pos, exit_pos, name)
   if epic.state[player:get_player_name()] then
     -- already running a function

forms/epic_savegame_load.lua

@@ -60,11 +60,14 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		end
 
 		if not selected_pos then
+			-- nothing selected
 			return true
 		end
 
 		local node = epic.get_node(selected_pos)
 		if node.name ~= "epic:save" then
+			-- save node disappeared
+			-- TODO: remove level from topic
 			return true
 		end
 
@@ -72,11 +75,20 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 		local target_pos = minetest.string_to_pos(meta:get_string("pos"))
 
 		if not target_pos then
+			-- no target position
 			return true
 		end
 
 		local destination_pos = epic.to_absolute_pos(selected_pos, target_pos)
-		player:set_pos(destination_pos)
+
+		node = epic.get_node(destination_pos)
+		if node.name == "epic:epic" then
+			-- execute epic on position
+			epic.start(playername, destination_pos)
+		else
+			-- teleport just above the position
+			player:set_pos(vector.add(destination_pos, {x=0, y=0.5, z=0}))
+		end
 	end
 
 	if fields.levelname then

forms/epic_view.lua

@@ -26,17 +26,9 @@ minetest.register_on_player_receive_fields(function(player, formname, fields)
 	end
 
 	local pos = minetest.string_to_pos(parts[2])
-	local meta = minetest.get_meta(pos)
-	local main_pos = epic.to_absolute_pos(pos, minetest.string_to_pos(meta:get_string("main_pos")))
-	local exit_pos = epic.to_absolute_pos(pos, minetest.string_to_pos(meta:get_string("exit_pos")))
-	local epic_name = meta:get_string("name")
-
-	if not main_pos then
-		return
-	end
 
 	if fields.start then
-		epic.execute_epic(player, main_pos, exit_pos, epic_name)
+		epic.start(player:get_player_name(), pos)
 	end
 
 end)