#!/usr/bin/env python3 """ Create a simple drum pattern in REAPER using OSC This script demonstrates how to create a more complex musical pattern using OSC """ import sys import time from pythonosc import udp_client # OSC settings (matching our server configuration) REAPER_OSC_HOST = "192.168.1.110" REAPER_OSC_PORT = 8000 def main(): print("Creating a drum pattern in REAPER using OSC...") # Create OSC client client = udp_client.SimpleUDPClient(REAPER_OSC_HOST, REAPER_OSC_PORT) # Create a new project print("Creating a new project...") client.send_message("/new", None) time.sleep(1) # Set project tempo to 120 BPM print("Setting project tempo to 120 BPM...") client.send_message("/tempo", [120.0]) time.sleep(0.5) # Create drum tracks track_names = ["Kick", "Snare", "Hi-Hat", "Crash"] for i, name in enumerate(track_names): print(f"Creating track: {name}...") client.send_message("/track/add", None) time.sleep(0.5) client.send_message(f"/track/{i}/name", [name]) time.sleep(0.2) # Create a 4-bar pattern (16 beats at 4/4) print("Creating MIDI items for the pattern...") # Pattern definitions (1 = hit, 0 = rest) patterns = { "Kick": [1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0], "Snare": [0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 1, 0], "Hi-Hat": [1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0, 1, 0], "Crash": [1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] } # Create MIDI items for each track for i, (track_name, pattern) in enumerate(patterns.items()): # Select the track client.send_message(f"/track/{i}/select", [1]) time.sleep(0.2) # Insert a 4-bar MIDI item client.send_message("/insert/midi", None) time.sleep(0.5) # We can't directly add MIDI notes via OSC # But we've created the MIDI items that can be edited in REAPER print(f"Created pattern for {track_name}") print("\nDrum pattern created! You'll need to add the actual MIDI notes in REAPER.") print("The pattern structure is:") # Print the pattern as a visual representation for name, pattern in patterns.items(): pattern_str = "" for beat in pattern: pattern_str += "X " if beat == 1 else "- " print(f"{name.ljust(8)}: {pattern_str}") print("\nYou can now open the MIDI editor in REAPER to add the notes according to this pattern.") if __name__ == "__main__": main()