Examples of custom OSC handlers for use in GlobalOscActions.lua (Renoise)

pattern_looping_osc_handlers.lua

-- Assumes messages are sent from TouchOSC buttons and include extraneous values
-- The values are parsed by Renise but ignore by the handler code
      local global_current_set_pattern = 1

      local function set_pattern_loop(pattern_num)
        renoise.song().transport:set_scheduled_sequence(pattern_num)
        renoise.song().transport.loop_pattern = true
      end

      add_global_action { 
        pattern = "/ng/transport/loop_first_pattern", 
        description = "Set the first pattern to be the next loop",

        arguments = { argument("ignore", "number") },
        handler = function(ignore)
          global_current_set_pattern = 1
          set_pattern_loop(global_current_set_pattern)
        end
      }

      add_global_action { 
        pattern = "/ng/transport/loop_next_pattern", 
        description = "Set the next pattern to be the next loop",

        arguments = { argument("ignore", "number") },
        handler = function(ignore)
          global_current_set_pattern = global_current_set_pattern + 1
          if (global_current_set_pattern > #(song().patterns) ) then
            global_current_set_pattern = #(song().patterns)
          end
          set_pattern_loop(global_current_set_pattern)
        end
      }


      add_global_action { 
        pattern = "/ng/transport/loop_prev_pattern", 
        description = "Set the previous pattern to be the next loop",

        arguments = { argument("ignore", "number") },
        handler = function(ignore)
          global_current_set_pattern = global_current_set_pattern - 1
          if (global_current_set_pattern < 1 ) then
            global_current_set_pattern = 1
          end
          set_pattern_loop(global_current_set_pattern)
        end
      }


-- For more stuff on Renoise OSC scripting see http://jamesbritt.com/posts/renoise-send-track-scripting-with-lua-and-osc.html
-- See also my book, OSC for Artists http://osc.justthebestparts.com/