From 759bfe4c39f3807f4bed636c2ded9dfa0ab3a823 Mon Sep 17 00:00:00 2001
From: stysmmaker <mmaker@mmaker.moe>
Date: Sun, 19 Sep 2021 01:25:58 -0400
Subject: [PATCH] feat: added initial midi support

---
 .gitignore        |  1 +
 MMaker_RPPJSON.py | 24 +++++++++++++++++++++++-
 2 files changed, 24 insertions(+), 1 deletion(-)
 create mode 100644 .gitignore

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..94a2dd1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*.json
\ No newline at end of file
diff --git a/MMaker_RPPJSON.py b/MMaker_RPPJSON.py
index 2e13e02..51cb57c 100644
--- a/MMaker_RPPJSON.py
+++ b/MMaker_RPPJSON.py
@@ -1,10 +1,18 @@
 import json, sys, rpp
+from rich import print
+
+def getSecondsFromPPQ(tempo, ppq, offset):
+    microseconds_per_tick = (60000 / tempo * 1000) / ppq
+    seconds_per_tick = microseconds_per_tick / 1000000
+    seconds = offset * seconds_per_tick
+    return seconds
 
 try:
     with open(sys.argv[1], "rb") as f:
         data = f.read().decode("utf-8")
         r = rpp.loads(data)
 
+        tempo = float(next(r.iterfind(".//TEMPO"))[1])
         trackList = {}
         
         for item in r.iterfind(".//TRACK"):
@@ -15,7 +23,21 @@ try:
                 for pos in item.iterfind(".//POSITION"):
                     itemType = item.find(".//SOURCE").attrib
                     itemPos = float(pos[1])
-                    if (itemType not in ["MIDI"]):
+                    if (itemType[0] == "MIDI"):
+                        ppq = 960
+                        tick_offset = 0
+
+                        for midiData in item.find(".//SOURCE").children:
+                            if midiData[0] == 'HASDATA':
+                                ppq = int(midiData[2])
+
+                            if midiData[0] in ['e', 'E']:
+                                if midiData[2].startswith('9') and midiData[4] != '00':
+                                    trackList[trackName].append(getSecondsFromPPQ(tempo, ppq, int(midiData[1]) + tick_offset) + itemPos)
+                                tick_offset += int(midiData[1])
+                            
+                    else:
+                        print(itemType)
                         trackList[trackName].append(itemPos)
         
         if (len(sys.argv) > 2):