1 files changed, 11 insertions, 11 deletions

diff --git a/audio/mods/mod_xm_s3m.cpp b/audio/mods/mod_xm_s3m.cpp
index 615e587380..264dfdc46c 100644
--- a/audio/mods/mod_xm_s3m.cpp
+++ b/audio/mods/mod_xm_s3m.cpp
@@ -1095,31 +1095,31 @@ void ModXmS3mStream::updateRow() {
 	}
 }
 
-int ModXmS3mStream::envelopeNextTick(Envelope &envelope, int tick, int keyOn) {
-	tick++;
-	if (envelope.looped && tick >= envelope.loopEndTick) {
-		tick = envelope.loopStartTick;
+int ModXmS3mStream::envelopeNextTick(Envelope &envelope, int currentTick, int keyOn) {
+	int nextTick = currentTick + 1;
+	if (envelope.looped && nextTick >= envelope.loopEndTick) {
+		nextTick = envelope.loopStartTick;
 	}
-	if (envelope.sustain && keyOn && tick >= envelope.sustainTick) {
-		tick = envelope.sustainTick;
+	if (envelope.sustain && keyOn && nextTick >= envelope.sustainTick) {
+		nextTick = envelope.sustainTick;
 	}
-	return tick;
+	return nextTick;
 }
 
-int ModXmS3mStream::calculateAmpl(Envelope &envelope, int tick) {
+int ModXmS3mStream::calculateAmpl(Envelope &envelope, int currentTick) {
 	int idx, point, dt, da;
 	int ampl = envelope.pointsAmpl[envelope.numPoints - 1];
-	if (tick < envelope.pointsTick[envelope.numPoints - 1]) {
+	if (currentTick < envelope.pointsTick[envelope.numPoints - 1]) {
 		point = 0;
 		for (idx = 1; idx < envelope.numPoints; idx++) {
-			if (envelope.pointsTick[idx] <= tick) {
+			if (envelope.pointsTick[idx] <= currentTick) {
 				point = idx;
 			}
 		}
 		dt = envelope.pointsTick[point + 1] - envelope.pointsTick[point];
 		da = envelope.pointsAmpl[point + 1] - envelope.pointsAmpl[point];
 		ampl = envelope.pointsAmpl[point];
-		ampl += ((da << 24) / dt) * (tick - envelope.pointsTick[point]) >> 24;
+		ampl += ((da << 24) / dt) * (currentTick - envelope.pointsTick[point]) >> 24;
 	}
 	return ampl;
 }