From d4b566ecb28084ccb37f5bee9e023b968e12c1c9 Mon Sep 17 00:00:00 2001
From: Filip Gawin <filip.gawin@zoho.com>
Date: Wed, 12 Jun 2019 19:56:45 +0200
Subject: AudioManager::GetPhrase

---
 src/audio/AudioManager.cpp | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'src/audio/AudioManager.cpp')

diff --git a/src/audio/AudioManager.cpp b/src/audio/AudioManager.cpp
index 757ffa79..5a290d28 100644
--- a/src/audio/AudioManager.cpp
+++ b/src/audio/AudioManager.cpp
@@ -10,8 +10,21 @@ cAudioManager::PlayerJustLeftCar(void)
 	// UNUSED: This is a perfectly empty function.
 }
 
+void
+cAudioManager::GetPhrase(uint32 *phrase, uint32 *prevPhrase,
+                         eAudioSamples sample, uint32 maxOffset)
+{
+	*phrase = (uint32)sample +
+	          (uint32)m_anRandomTable[m_sQueueSample.m_nEntityIndex & 3] %
+	              maxOffset;
+	if(*phrase == *prevPhrase && ++*phrase >= (uint32)sample + maxOffset)
+		*phrase = (uint32)sample;
+	*prevPhrase = *phrase;
+}
+
 WRAPPER void cAudioManager::Service() { EAXJMP(0x57A2A0); }
 
 STARTPATCHES
 	InjectHook(0x56AD20, &cAudioManager::PlayerJustLeftCar, PATCH_JUMP);
-ENDPATCHES
\ No newline at end of file
+	InjectHook(0x570DB0, &cAudioManager::GetPhrase, PATCH_JUMP);
+ENDPATCHES
-- 
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