From cca6100b96ae0d179decbc461e3451733c9156f8 Mon Sep 17 00:00:00 2001
From: JotaChina <sousacj1@gmail.com>
Date: Sat, 27 Dec 2025 09:15:21 -0300
Subject: [PATCH] corrigindo loop interno ao esticar patterns na playlist

---
 assets/js/creations/pattern/pattern_audio.js | 26 ++++++++++++++------
 1 file changed, 18 insertions(+), 8 deletions(-)

diff --git a/assets/js/creations/pattern/pattern_audio.js b/assets/js/creations/pattern/pattern_audio.js
index 0f2a4f97..f64abbd3 100755
--- a/assets/js/creations/pattern/pattern_audio.js
+++ b/assets/js/creations/pattern/pattern_audio.js
@@ -641,34 +641,44 @@ export function startSongPatternPlaybackOnTransport() {
           continue; // 👈 importante: não cair na lógica abaixo
         }
 
-        // ✅ 1b) SAMPLER com piano roll (notes) — respeita oitava/pitch via playbackRate
+        // ✅ 1b) SAMPLER com piano roll (notes) — loop interno ao esticar o clip
         if (
           track.type === "sampler" &&
           track.buffer &&
           Array.isArray(patt.notes) &&
           patt.notes.length > 0
         ) {
-          const stepStartTick = hit.localStep * LMMS_TICKS_PER_STEP;
+          // 👇 chave do loop interno: usa tickInPattern (já calculado acima)
+          const stepStartTick = tickInPattern;
           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;
+            // janela do step, tratando “wrap” no fim do pattern
+            const wraps = stepEndTick > pattLenTicks;
+            const inWindow = wraps
+              ? (nPos >= stepStartTick || nPos < (stepEndTick - pattLenTicks))
+              : (nPos >= stepStartTick && nPos < stepEndTick);
+
+            if (!inWindow) continue;
+
+            const offsetTicks = wraps && nPos < stepStartTick
+              ? (pattLenTicks - stepStartTick) + nPos
+              : 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));
 
-            playSamplerNoteAtTime(track, n.key, t2, durSec);
+            playSamplerNoteAtTime(track, Number(n.key) || 0, t2, durSec);
           }
 
-          continue; // 👈 importante: não cair na lógica de steps
+          continue; // mantém: não cair na lógica de steps
         }
 
-
-        // ✅ 2) Lógica antiga de STEP (sampler / plugin sem notes)
+        // ✅ 2) Lógica de STEP (sampler / plugin sem notes)
         if (!patt.steps) continue;
 
         if (patt.steps[stepInPattern]) {