From f9ae0d92a83348f785936f2f8756ed184616d034 Mon Sep 17 00:00:00 2001
From: JotaChina <sousacj1@gmail.com>
Date: Thu, 25 Dec 2025 16:45:09 -0300
Subject: [PATCH] melhorando a leitura de projetos no mmpCreator

---
 assets/js/creations/pattern/pattern_audio.js | 56 +++++++++++++++-----
 1 file changed, 43 insertions(+), 13 deletions(-)

diff --git a/assets/js/creations/pattern/pattern_audio.js b/assets/js/creations/pattern/pattern_audio.js
index 03515757..fab1c3bf 100755
--- a/assets/js/creations/pattern/pattern_audio.js
+++ b/assets/js/creations/pattern/pattern_audio.js
@@ -586,26 +586,56 @@ export function startSongPatternPlaybackOnTransport() {
 
       for (const hit of activePatternHits) {
         const patt = track.patterns?.[hit.patternIndex];
-        if (!patt?.steps) continue;
+        if (!patt) continue;
+
+        // ✅ 1) PLUGIN com piano roll (notes)
+        if (
+          track.type === "plugin" &&
+          track.instrument &&
+          Array.isArray(patt.notes) &&
+          patt.notes.length > 0
+        ) {
+          const stepStartTick = hit.localStep * LMMS_TICKS_PER_STEP;
+          const stepEndTick = stepStartTick + LMMS_TICKS_PER_STEP;
+
+          for (const n of patt.notes) {
+            const nPos = Number(n.pos) || 0;
+            if (nPos < stepStartTick || nPos >= stepEndTick) continue;
+
+            const offsetTicks = nPos - stepStartTick;
+            const t2 = time + ticksToSec(offsetTicks, stepIntervalSec);
+
+            const lenTicks = Math.max(1, Number(n.len) || LMMS_TICKS_PER_STEP);
+            const durSec = Math.max(0.01, ticksToSec(lenTicks, stepIntervalSec));
+
+            const vel = Math.max(0, Math.min(1, (Number(n.vol) || 100) / 100));
+            const noteName = midiToNoteName(n.key);
 
-        if (patt.steps[hit.localStep]) {
-          // SAMPLER
-          if (track.type === "sampler" && track.player) {
-            track.player.restart = true; // baterias precisam retrigger
             try {
-              track.player.start(time);
-            } catch {}
-          }
-          // PLUGIN (step sem piano roll)
-          else if (track.type === "plugin" && track.instrument) {
-            const hasNotes = patt.notes && patt.notes.length > 0;
-            if (!hasNotes) {
+              track.instrument.triggerAttackRelease(noteName, durSec, t2, vel);
+            } catch {
               try {
-                track.instrument.triggerAttackRelease("C5", "16n", time);
+                track.instrument.triggerAttackRelease(noteName, durSec, t2);
               } catch {}
             }
           }
+
+          continue; // 👈 importante: não cair na lógica de steps abaixo
         }
+
+        // ✅ 2) Lógica antiga de STEP (sampler / plugin sem notes)
+        if (!patt.steps) continue;
+
+        if (patt.steps[hit.localStep]) {
+          if (track.type === "sampler" && track.player) {
+            track.player.restart = true;
+            try { track.player.start(time); } catch {}
+          } else if (track.type === "plugin" && track.instrument) {
+            // plugin sem piano roll
+            try { track.instrument.triggerAttackRelease("C5", "16n", time); } catch {}
+          }
+        }
+
       }
     }
   }, "16n");