From 67398809a301cf7968bdd6eaae798c8871c4ea4a Mon Sep 17 00:00:00 2001
From: Filip Gawin <filip.gawin@zoho.com>
Date: Mon, 24 Feb 2020 21:09:05 +0100
Subject: [PATCH] Implement ProcessFires

---
 src/audio/AudioManager.cpp | 80 ++++++++++++++++++++++++++++++++++++--
 src/audio/AudioManager.h   |  4 +-
 src/core/Fire.h            |  2 +-
 3 files changed, 79 insertions(+), 7 deletions(-)

diff --git a/src/audio/AudioManager.cpp b/src/audio/AudioManager.cpp
index eafd1c9a..ab3745f5 100644
--- a/src/audio/AudioManager.cpp
+++ b/src/audio/AudioManager.cpp
@@ -3636,11 +3636,83 @@ cAudioManager::ProcessFireHydrant()
 	}
 }
 
-WRAPPER
-void
-cAudioManager::ProcessFires(int32 entity)
+void cAudioManager::ProcessFires(int32)
 {
-	EAXJMP(0x575CD0);
+	CEntity *entity;
+	uint8 emittingVol;
+	float maxDist;
+	float distSquared;
+
+	for(uint8 i = 0; i < NUM_FIRES; i++) {
+		if(gFireManager.m_aFires[i].m_bIsOngoing && gFireManager.m_aFires[i].m_bAudioSet) {
+			entity = gFireManager.m_aFires[i].m_pEntity;
+			if(entity) {
+				switch(entity->m_type & 7) {
+				case ENTITY_TYPE_BUILDING:
+					maxDist = 2500.f;
+					m_sQueueSample.m_fSoundIntensity = 50.0f;
+					m_sQueueSample.m_nSampleIndex = SFX_CAR_ON_FIRE;
+					emittingVol = 100;
+					m_sQueueSample.m_nFrequency =
+					    8 / 10 * SampleManager.GetSampleBaseFrequency(SFX_CAR_ON_FIRE);
+					m_sQueueSample.m_nFrequency += i * ((uint32)m_sQueueSample.m_nFrequency >> 6);
+					m_sQueueSample.field_16 = 6;
+					break;
+				case ENTITY_TYPE_PED:
+					maxDist = 625.f;
+					m_sQueueSample.m_fSoundIntensity = 25.0f;
+					m_sQueueSample.m_nSampleIndex = SFX_PED_ON_FIRE;
+					m_sQueueSample.m_nFrequency =
+					    SampleManager.GetSampleBaseFrequency(SFX_PED_ON_FIRE);
+					emittingVol = 60;
+					m_sQueueSample.m_nFrequency += i * ((uint32)m_sQueueSample.m_nFrequency >> 6);
+					m_sQueueSample.field_16 = 10;
+					break;
+				default:
+					maxDist = 2500.f;
+					m_sQueueSample.m_fSoundIntensity = 50.0f;
+					m_sQueueSample.m_nSampleIndex = SFX_CAR_ON_FIRE;
+					m_sQueueSample.m_nFrequency =
+					    SampleManager.GetSampleBaseFrequency(SFX_CAR_ON_FIRE);
+					m_sQueueSample.m_nFrequency += i * ((uint32)m_sQueueSample.m_nFrequency >> 6);
+					emittingVol = 80;
+					m_sQueueSample.field_16 = 8;
+				}
+			} else {
+				maxDist = 2500.f;
+				m_sQueueSample.m_fSoundIntensity = 50.0;
+				m_sQueueSample.m_nSampleIndex = SFX_CAR_ON_FIRE;
+				m_sQueueSample.m_nFrequency = SampleManager.GetSampleBaseFrequency(SFX_CAR_ON_FIRE);
+				m_sQueueSample.m_nFrequency += i * ((uint32)m_sQueueSample.m_nFrequency >> 6);
+				emittingVol = 80;
+				m_sQueueSample.field_16 = 8;
+			}
+			m_sQueueSample.m_vecPos = gFireManager.m_aFires[i].m_vecPos;
+			distSquared = GetDistanceSquared(&m_sQueueSample.m_vecPos);
+			if(distSquared < maxDist) {
+				m_sQueueSample.m_fDistance = Sqrt(distSquared);
+				m_sQueueSample.m_bVolume = ComputeVolume(emittingVol, m_sQueueSample.m_fSoundIntensity,
+				                                         m_sQueueSample.m_fDistance);
+				if(m_sQueueSample.m_bVolume) {
+					m_sQueueSample.m_counter = i;
+					m_sQueueSample.m_bBankIndex = 0;
+					m_sQueueSample.field_48 = 2.0;
+					m_sQueueSample.field_76 = 10;
+					m_sQueueSample.m_bIsDistant = 0;
+					m_sQueueSample.m_nLoopCount = 0;
+					m_sQueueSample.field_56 = 0;
+					m_sQueueSample.m_bEmittingVolume = emittingVol;
+					m_sQueueSample.m_nLoopStart =
+					    SampleManager.GetSampleLoopStartOffset(m_sQueueSample.m_nSampleIndex);
+					m_sQueueSample.m_nLoopEnd =
+					    SampleManager.GetSampleLoopEndOffset(m_sQueueSample.m_nSampleIndex);
+					m_sQueueSample.m_bReverbFlag = 1;
+					m_sQueueSample.m_bRequireReflection = 0;
+					AddSampleToRequestedQueue();
+				}
+			}
+		}
+	}
 }
 
 void
diff --git a/src/audio/AudioManager.h b/src/audio/AudioManager.h
index 5e533bff..e4d2fa6d 100644
--- a/src/audio/AudioManager.h
+++ b/src/audio/AudioManager.h
@@ -500,13 +500,13 @@ public:
 	bool ProcessCarBombTick(cVehicleParams *params);         /// ok
 	void ProcessCesna(cVehicleParams *params);               /// ok
 	void ProcessCinemaScriptObject(uint8 sound);             /// ok
-	void ProcessCrane();                                     // todo requires CCrane
+	void ProcessCrane();                                     /// ok
 	void ProcessDocksScriptObject(uint8 sound);              /// ok
 	bool ProcessEngineDamage(cVehicleParams *params);        /// ok
 	void ProcessEntity(int32 sound);                         /// ok
 	void ProcessExplosions(int32 explosion);                 /// ok
 	void ProcessFireHydrant();                               /// ok
-	void ProcessFires(int32 entity);                         // todo requires gFireManager
+	void ProcessFires(int32 entity);                         /// ok
 	void ProcessFrontEnd();                                  /// ok
 	void ProcessGarages();                                   // todo requires CGarages::aGarages
 	bool ProcessHelicopter(cVehicleParams *params);          /// ok
diff --git a/src/core/Fire.h b/src/core/Fire.h
index 9d72179e..624bf608 100644
--- a/src/core/Fire.h
+++ b/src/core/Fire.h
@@ -28,8 +28,8 @@ class CFireManager
 		MAX_FIREMEN_ATTENDING = 2,
 	};
 	uint32 m_nTotalFires;
-	CFire m_aFires[NUM_FIRES];
 public:
+	CFire m_aFires[NUM_FIRES];
 	void StartFire(CEntity *entityOnFire, CEntity *culprit, float, uint32);
 	void StartFire(CVector, float, uint8);
 	void Update(void);