From f46d63d35c61c9076a3c4ef9936bd88dbf8b8218 Mon Sep 17 00:00:00 2001
From: Marisa-Chan
Date: Fri, 1 Nov 2013 16:44:44 +0700
Subject: ZVISION: Implement engine-wide method for selecting new audio ID.

---
 engines/zvision/zvision.cpp | 10 +++++++++-
 engines/zvision/zvision.h   |  5 +++++
 2 files changed, 14 insertions(+), 1 deletion(-)

diff --git a/engines/zvision/zvision.cpp b/engines/zvision/zvision.cpp
index 8be85d39d4..9a93259ff4 100644
--- a/engines/zvision/zvision.cpp
+++ b/engines/zvision/zvision.cpp
@@ -61,7 +61,8 @@ ZVision::ZVision(OSystem *syst, const ZVisionGameDescription *gameDesc)
 	  _renderManager(nullptr),
 	  _saveManager(nullptr),
 	  _stringManager(nullptr),
-	  _cursorManager(nullptr) {
+	  _cursorManager(nullptr),
+	  _aud_id(0) {
 
 	debug(1, "ZVision::ZVision");
 }
@@ -182,4 +183,11 @@ Common::String ZVision::generateAutoSaveFileName() {
 	return Common::String::format("%s.auto", _targetName.c_str());
 }
 
+int ZVision::getAudioId() {
+	_aud_id++;
+	if (_aud_id < 0)
+		_aud_id = 0;
+	return _aud_id;
+}
+
 } // End of namespace ZVision
diff --git a/engines/zvision/zvision.h b/engines/zvision/zvision.h
index 10711b1605..e7709283ae 100644
--- a/engines/zvision/zvision.h
+++ b/engines/zvision/zvision.h
@@ -101,6 +101,9 @@ private:
 	// Clock
 	Clock _clock;
 
+	// Audio ID
+	int _aud_id;
+
 	// To prevent allocation every time we process events
 	Common::Event _event;
 
@@ -145,6 +148,8 @@ public:
 	 */
 	void playVideo(Video::VideoDecoder &videoDecoder, const Common::Rect &destRect = Common::Rect(0, 0, 0, 0), bool skippable = true);
 
+	int getAudioId();
+
 	Common::String generateSaveFileName(uint slot);
 	Common::String generateAutoSaveFileName();
 
-- 
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