AudioManager::GetPhrase

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
+	InjectHook(0x570DB0, &cAudioManager::GetPhrase, PATCH_JUMP);
+ENDPATCHES

src/audio/AudioManager.h

@@ -1,9 +1,221 @@
 #pragma once
 
-class cAudioManager {
+#include "AudioSamples.h"
+#include "common.h"
+
+class tActiveSample
+{
 public:
-	void PlayerJustLeftCar(void);
-	void Service();
+	int m_nEntityIndex;
+	int field_4;
+	int m_nSampleIndex;
+	char m_bBankIndex;
+	char m_bIsDistant;
+	char field_14;
+	char field_15;
+	int field_16;
+	int m_nFrequency;
+	uint8 m_bVolume;
+	char field_25;
+	char field_26;
+	char field_27;
+	float m_fDistance;
+	int m_nLoopCount;
+	int m_nLoopStart;
+	int m_nLoopEnd;
+	uint8 m_bEmittingVolume;
+	char field_45;
+	char field_46;
+	char field_47;
+	float field_48;
+	float m_fSoundIntensity;
+	char field_56;
+	char field_57;
+	char field_58;
+	char field_59;
+	CVector m_vecPos;
+	char m_bReverbFlag;
+	char m_bLoopsRemaining;
+	char m_bRequireReflection;
+	uint8 m_bOffset;
+	int field_76;
+	char m_bIsProcessed;
+	char m_bLoopEnded;
+	char field_82;
+	char field_83;
+	int field_84;
+	char field_88;
+	char field_89;
+	char field_90;
+	char field_91;
 };
 
-extern cAudioManager &AudioManager;
+static_assert(sizeof(tActiveSample) == 0x5c, "tActiveSample: error");
+
+enum eAudioType : int32 {
+	AUDIOTYPE_PHYSICAL = 0,
+	AUDIOTYPE_EXPLOSION = 1,
+	AUDIOTYPE_FIRE = 2,
+	AUDIOTYPE_WEATHER = 3,
+	AUDIOTYPE_CRANE = 4,
+	AUDIOTYPE_ONE_SHOT = 5,
+	AUDIOTYPE_BRIDGE = 6,
+	AUDIOTYPE_COLLISION = 7,
+	AUDIOTYPE_FRONTEND = 8,
+	AUDIOTYPE_PROJECTILE = 9,
+	AUDIOTYPE_GARAGE = 10,
+	AUDIOTYPE_HYDRANT = 11,
+	AUDIOTYPE_WATER_CANNON = 12,
+	AUDIOTYPE_D = 13,
+	TOTAL_AUDIO_TYPES = 14,
+};
+
+class tAudioEntity
+{
+public:
+	eAudioType m_nType;
+	void *m_pEntity;
+	char m_bIsUsed;
+	char m_bStatus;
+	__int16 m_awAudioEvent[4];
+	char gap_18[2];
+	float m_afVolume[4];
+	char field_24;
+	char field_25[3];
+};
+
+static_assert(sizeof(tAudioEntity) == 0x28, "tAudioEntity: error");
+
+class tPedComment
+{
+public:
+	int m_nSampleIndex;
+	int field_4;
+	CVector m_vecPos;
+	float m_fDistance;
+	char m_bVolume;
+	char field_25;
+	char gap_26[2];
+};
+
+static_assert(sizeof(tPedComment) == 0x1c, "tPedComment: error");
+
+class cPedComments {
+public:
+	tPedComment m_asPedComments[40];
+	char field_1120[40];
+	char field_1160[2];
+	char field_1162;
+	char gap_1163[1];
+};
+
+static_assert(sizeof(cPedComments) == 0x48c, "cPedComments: error");
+
+class CEntity;
+
+class cAudioCollision {
+public:
+	CEntity *m_pEntity1;
+	CEntity *m_pEntity2;
+	char m_bSurface1;
+	char m_bSurface2;
+	char field_10;
+	char field_11;
+	float m_fIntensity1;
+	float m_fIntensity2;
+	CVector m_vecPosition;
+	float m_fDistance;
+	int m_nBaseVolume;
+};
+
+static_assert(sizeof(cAudioCollision) == 0x28, "cAudioCollision: error");
+
+class cAudioCollisionManager {
+public:
+	cAudioCollision m_asCollisions1[10];
+	cAudioCollision m_asCollisions2[10];
+	char m_bIndicesTable[10];
+	char m_bCollisionsInQueue;
+	char gap_811;
+	cAudioCollision m_sQueue;
+};
+
+static_assert(sizeof(cAudioCollisionManager) == 0x354,
+              "cAudioCollisionManager: error");
+
+struct cMissionAudio {
+	CVector m_vecPos;
+	char field_12;
+	char gap_13[3];
+	int m_nSampleIndex;
+	char m_bLoadingStatus;
+	char m_bPlayStatus;
+	char field_22;
+	char field_23;
+	int field_24;
+	char m_bIsPlayed;
+	char field_29;
+	char field_30;
+	char field_31;
+};
+
+static_assert(sizeof(cMissionAudio) == 0x20, "cMissionAudio: error");
+
+class cAudioManager
+{
+public:
+	bool m_bIsInitialised;
+	char field_1;
+	char field_2;
+	char m_bActiveSamples;
+	char field_4;
+	char m_bDynamicAcousticModelingStatus;
+	char field_6;
+	char field_7;
+	float field_8;
+	bool m_bTimerJustReset;
+	char field_13;
+	char field_14;
+	char field_15;
+	int m_nTimer;
+	tActiveSample m_sQueueSample;
+	char m_bActiveSampleQueue;
+	char gap_109[3];
+	tActiveSample m_asSamples[54];
+	char m_abSampleQueueIndexTable[54];
+	char m_bSampleRequestQueuesStatus[2];
+	tActiveSample m_asActiveSamples[27];
+	tAudioEntity m_asAudioEntities[200];
+	int m_anAudioEntityIndices[200];
+	int m_nAudioEntitiesTotal;
+	CVector m_avecReflectionsPos[5];
+	float m_afReflectionsDistances[5];
+	int m_anScriptObjectEntityIndices[40];
+	int m_nScriptObjectEntityTotal;
+	cPedComments m_sPedComments;
+	int m_nFireAudioEntity;
+	int m_nWaterCannonEntity;
+	int m_nPoliceChannelEntity;
+	char gap45B8[444];
+	int m_nFrontEndEntity;
+	int m_nCollisionEntity;
+	cAudioCollisionManager m_sCollisionManager;
+	int m_nProjectileEntity;
+	int m_nBridgeEntity;
+	cMissionAudio m_sMissionAudio;
+	int m_anRandomTable[5];
+	char field_19192;
+	char m_bUserPause;
+	char m_bPreviousUserPause;
+	char field_19195;
+	int m_nTimeOfRecentCrime;
+
+	void PlayerJustLeftCar(void);
+	void Service();
+	void GetPhrase(uint32 *a2, uint32 *a3, eAudioSamples sample,
+	               uint32 maxOffset);
+};
+
+static_assert(sizeof(cAudioManager) == 0x4B14, "cAudioManager: error");
+
+extern cAudioManager &AudioManager;