#!/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()
