From 169512852e7ddf06061075e142bdb5331ed25053 Mon Sep 17 00:00:00 2001
From: Max Horn
Date: Wed, 13 Apr 2011 12:48:49 +0200
Subject: TOON: Use shared ADPCM data tables

---
 engines/toon/audio.cpp | 26 ++++----------------------
 1 file changed, 4 insertions(+), 22 deletions(-)

(limited to 'engines/toon/audio.cpp')

diff --git a/engines/toon/audio.cpp b/engines/toon/audio.cpp
index 0003bb1972..c2e0bf7b20 100644
--- a/engines/toon/audio.cpp
+++ b/engines/toon/audio.cpp
@@ -26,24 +26,10 @@
 #include "toon/audio.h"
 #include "common/memstream.h"
 #include "common/substream.h"
+#include "audio/decoders/adpcm_intern.h"
 
 namespace Toon {
 
-static const int ADPCM_index[8] = {
-	-1, -1, -1, -1, 2 , 4 , 6 , 8
-};
-static const int ADPCM_table[89] = {
-	7,     8,     9,     10,    11,    12,    13,    14,    16,    17,
-	19,    21,    23,    25,    28,    31,    34,    37,    41,    45,
-	50,    55,    60,    66,    73,    80,    88,    97,    107,   118,
-	130,   143,   157,   173,   190,   209,   230,   253,   279,   307,
-	337,   371,   408,   449,   494,   544,   598,   658,   724,   796,
-	876,   963,   1060,  1166,  1282,  1411,  1552,  1707,  1878,  2066,
-	2272,  2499,  2749,  3024,  3327,  3660,  4026,  4428,  4871,  5358,
-	5894,  6484,  7132,  7845,  8630,  9493,  10442, 11487, 12635, 13899,
-	15289, 16818, 18500, 20350, 22385, 24623, 27086, 29794, 32767
-};
-
 AudioManager::AudioManager(ToonEngine *vm, Audio::Mixer *mixer) : _vm(vm), _mixer(mixer) {
 	for (int32 i = 0; i < 16; i++)
 		_channels[i] = NULL;
@@ -372,7 +358,7 @@ void AudioStreamInstance::decodeADPCM(uint8 *comp, int16 *dest, int32 packetSize
 
 		int32 v31 = v30 & 0x8;
 		int32 v32 = v30 & 0x7;
-		int32 v33 = ADPCM_table[v19];
+		int32 v33 = Audio::Ima_ADPCMStream::_imaTable[v19];
 		int32 v34 = v33 >> 3;
 		if (v32 & 4)
 			v34 += v33;
@@ -383,12 +369,8 @@ void AudioStreamInstance::decodeADPCM(uint8 *comp, int16 *dest, int32 packetSize
 		if (v32 & 1)
 			v34 += v33 >> 2;
 
-		v19 += ADPCM_index[v32];
-		if (v19 < 0)
-			v19 = 0;
-
-		if (v19 > 88)
-			v19 = 88;
+		v19 += Audio::ADPCMStream::_stepAdjustTable[v32];
+		v19 = CLIP<int32>(v19, 0, ARRAYSIZE(Audio::Ima_ADPCMStream::_imaTable) - 1);
 
 		if (v31)
 			v18 -= v34;
-- 
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