Release Minimize all track envelopes 1.0 (Initial Release) (#1410)

Author: BenTalagan

Envelopes/talagan_Minimize all track envelopes.lua

@@ -0,0 +1,41 @@
+--[[
+@description Minimize all track envelopes
+@version 1.0
+@author Ben 'Talagan' Babut
+@license MIT
+@donation
+  https://www.paypal.com/donate/?business=3YEZMY9D6U8NC&no_recurring=1&currency_code=EUR
+@changelog
+  - Initial release
+@about
+  This script simply minimizes all track envelopes (it sets their heights to their minimum)
+--]]
+
+local function perform()
+
+  -- Modifying the envelope state chunk does not allow to have an undo entry
+  -- ... so undo is not possible, it seems. Let's still handle it as we should.
+  reaper.Undo_BeginBlock();
+
+  -- Loop on all tracks
+  local tn = reaper.CountTracks(0);
+  local ti = 0
+  for ti = 0, tn-1, 1 do
+    local track = reaper.GetTrack(0,ti);
+    local en    = reaper.CountTrackEnvelopes(track);
+
+    -- Loop on each envelope for the current track
+    for ei = 0, en-1, 1 do
+      local evl = reaper.GetTrackEnvelope(track, ei);
+
+      -- ... and patch the height through the state chunk
+      _, str = reaper.GetEnvelopeStateChunk(evl, "", false);
+      str = str:gsub("\nLANEHEIGHT %d+ %d+\n", "\nLANEHEIGHT 0 0\n");
+      reaper.SetEnvelopeStateChunk(evl,str);
+    end
+  end
+
+  reaper.Undo_EndBlock("Minimized all track envelopes",-1);
+end
+
+perform()