bullet info

src/weapons/BulletInfo.cpp

@@ -2,4 +2,267 @@
 #include "patcher.h"
 #include "BulletInfo.h"
 
-WRAPPER bool CBulletInfo::TestForSniperBullet(float x1, float x2, float y1, float y2, float z1, float z2) { EAXJMP(0x558D40); }
+#include "AnimBlendAssociation.h"
+#include "AudioManager.h"
+#include "AudioScriptObject.h"
+#ifdef FIX_BUGS
+#include "Collision.h"
+#endif
+#include "RpAnimBlend.h"
+#include "Entity.h"
+#include "EventList.h"
+#include "Fire.h"
+#include "Glass.h"
+#include "Particle.h"
+#include "Ped.h"
+#include "Object.h"
+#include "Stats.h"
+#include "Timer.h"
+#include "Vehicle.h"
+#include "Weapon.h"
+#include "WeaponInfo.h"
+#include "World.h"
+
+#define BULLET_LIFETIME (1000)
+#define NUM_PED_BLOOD_PARTICLES (8)
+#define BLOOD_PARTICLE_OFFSET (CVector(0.0f, 0.0f, 0.0f))
+#define NUM_VEHICLE_SPARKS (16)
+#define NUM_OTHER_SPARKS (8)
+#define BULLET_HIT_FORCE (7.5f)
+#define MAP_BORDER (1960.0f)
+
+CBulletInfo gaBulletInfo[CBulletInfo::NUM_BULLETS];
+bool bPlayerSniperBullet;
+CVector PlayerSniperBulletStart;
+CVector PlayerSniperBulletEnd;
+
+void CBulletInfo::Initialise(void)
+{
+	debug("Initialising CBulletInfo...\n");
+	for (int i = 0; i < NUM_BULLETS; i++) {
+		gaBulletInfo[i].m_bInUse = false;
+		gaBulletInfo[i].m_eWeaponType = WEAPONTYPE_COLT45;
+		gaBulletInfo[i].m_fTimer = 0.0f;
+		gaBulletInfo[i].m_pSource = nil;
+	}
+	debug("CBulletInfo ready\n");
+}
+
+void CBulletInfo::Shutdown(void)
+{
+	debug("Shutting down CBulletInfo...\n");
+	debug("CBulletInfo shut down\n");
+}
+
+bool CBulletInfo::AddBullet(CEntity* pSource, eWeaponType type, CVector vecPosition, CVector vecSpeed)
+{
+	int i;
+	for (i = 0; i < NUM_BULLETS; i++) {
+		if (!gaBulletInfo[i].m_bInUse)
+			break;
+	}
+	if (i == NUM_BULLETS)
+		return false;
+	gaBulletInfo[i].m_pSource = pSource;
+	gaBulletInfo[i].m_eWeaponType = type;
+	gaBulletInfo[i].m_nDamage = CWeaponInfo::GetWeaponInfo(type)->m_nDamage;
+	gaBulletInfo[i].m_vecPosition = vecPosition;
+	gaBulletInfo[i].m_vecSpeed = vecSpeed;
+	gaBulletInfo[i].m_fTimer = CTimer::GetTimeInMilliseconds() + BULLET_LIFETIME;
+	gaBulletInfo[i].m_bInUse = true;
+}
+
+void CBulletInfo::Update(void)
+{
+	bool bAddSound = true;
+	bPlayerSniperBullet = false;
+	for (int i = 0; i < NUM_BULLETS; i++) {
+		CBulletInfo* pBullet = &gaBulletInfo[i];
+		if (pBullet->m_pSource && pBullet->m_pSource->IsPed() && !((CPed*)pBullet->m_pSource)->IsPointerValid())
+			pBullet->m_pSource = nil;
+		if (!pBullet->m_bInUse)
+			continue;
+		if (CTimer::GetTimeInMilliseconds() > pBullet->m_fTimer)
+			pBullet->m_bInUse = false;
+		CVector vecOldPos = pBullet->m_vecPosition;
+		CVector vecNewPos = pBullet->m_vecPosition + pBullet->m_vecSpeed * CTimer::GetTimeStep() * 0.5f;
+		CWorld::bIncludeCarTyres = true;
+		CWorld::bIncludeDeadPeds = true;
+		CWorld::pIgnoreEntity = pBullet->m_pSource;
+		CColPoint point;
+		CEntity* pHitEntity;
+		if (CWorld::ProcessLineOfSight(vecOldPos, vecNewPos, point, pHitEntity, true, true, true, true, true, true)) {
+			if (pBullet->m_pSource && (pHitEntity->IsPed() || pHitEntity->IsVehicle()))
+				CStats::InstantHitsHitByPlayer++;
+			if (pHitEntity->IsPed()) {
+				CPed* pPed = (CPed*)pHitEntity;
+				if (!pPed->DyingOrDead() && pPed != pBullet->m_pSource) {
+					if (pPed->DoesLOSBulletHitPed(point)) {
+						if (pPed->IsPedInControl() && !pPed->bIsDucking) {
+							pPed->ClearAttackByRemovingAnim();
+							CAnimBlendAssociation* pAnim = CAnimManager::AddAnimation(pPed->GetClump(), ASSOCGRP_STD, ANIM_SHOT_FRONT_PARTIAL);
+							pAnim->SetBlend(0.0f, 8.0f);
+						}
+						pPed->InflictDamage(pBullet->m_pSource, pBullet->m_eWeaponType, pBullet->m_nDamage, (ePedPieceTypes)point.pieceB, pPed->GetLocalDirection(pPed->GetPosition() - point.point));
+						CEventList::RegisterEvent(pPed->m_nPedType == PEDTYPE_COP ? EVENT_SHOOT_COP : EVENT_SHOOT_PED, EVENT_ENTITY_PED, pPed, (CPed*)pBullet->m_pSource, 1000);
+						pBullet->m_bInUse = false;
+						vecNewPos = point.point;
+					}
+					else {
+						bAddSound = false;
+					}
+				}
+				if (CGame::nastyGame) {
+					CVector vecParticleDirection = (point.point - pPed->GetPosition()) / 100;
+					vecParticleDirection.z = 0.01f;
+					if (pPed->GetIsOnScreen()) {
+						for (int j = 0; j < NUM_PED_BLOOD_PARTICLES; j++)
+							CParticle::AddParticle(PARTICLE_BLOOD_SMALL, point.point + BLOOD_PARTICLE_OFFSET, vecParticleDirection);
+					}
+					if (pPed->GetPedState() == PED_DEAD) {
+						CAnimBlendAssociation* pAnim;
+						if (RpAnimBlendClumpGetFirstAssociation(pPed->GetClump(), ASSOC_FLAG800))
+							pAnim = CAnimManager::BlendAnimation(pPed->GetClump(), ASSOCGRP_STD, ANIM_FLOOR_HIT_F, 8.0f);
+						else
+							pAnim = CAnimManager::BlendAnimation(pPed->GetClump(), ASSOCGRP_STD, ANIM_FLOOR_HIT, 8.0f);
+						if (pAnim) {
+							pAnim->SetCurrentTime(0.0f);
+							pAnim->flags |= ASSOC_RUNNING;
+							pAnim->flags &= ASSOC_FADEOUTWHENDONE;
+						}
+					}
+					pBullet->m_bInUse = false;
+					vecNewPos = point.point;
+				}
+			}
+			else if (pHitEntity->IsVehicle()) {
+				CVehicle* pVehicle = (CVehicle*)pHitEntity;
+				pVehicle->InflictDamage(pBullet->m_pSource, pBullet->m_eWeaponType, pBullet->m_nDamage);
+				if (pBullet->m_eWeaponType == WEAPONTYPE_FLAMETHROWER) // how?
+					gFireManager.StartFire(pVehicle, pBullet->m_pSource, 0.8f, true);
+				else {
+					for (int j = 0; j < NUM_VEHICLE_SPARKS; j++)
+						CParticle::AddParticle(PARTICLE_SPARK, point.point, point.normal / 20);
+				}
+#ifdef FIX_BUGS
+				pBullet->m_bInUse = false;
+				vecNewPos = point.point;
+#endif
+			}
+			else {
+				for (int j = 0; j < NUM_OTHER_SPARKS; j++)
+					CParticle::AddParticle(PARTICLE_SPARK, point.point, point.normal / 20);
+				if (pHitEntity->IsObject()) {
+					CObject* pObject = (CObject*)pHitEntity;
+					if (!pObject->bInfiniteMass) {
+						if (pObject->bIsStatic && pObject->m_fUprootLimit <= 0.0f) {
+							pObject->bIsStatic = false;
+							pObject->AddToMovingList();
+						}
+						if (!pObject->bIsStatic)
+							pObject->ApplyMoveForce(-BULLET_HIT_FORCE * point.normal);
+					}
+				}
+#ifdef FIX_BUGS
+				pBullet->m_bInUse = false;
+				vecNewPos = point.point;
+#endif
+			}
+			if (pBullet->m_eWeaponType == WEAPONTYPE_SNIPERRIFLE && bAddSound) {
+				cAudioScriptObject* pAudio;
+				switch (pHitEntity->m_type) {
+				case ENTITY_TYPE_BUILDING:
+					pAudio = new cAudioScriptObject();
+					pAudio->Posn = pHitEntity->GetPosition();
+					pAudio->AudioId = SCRIPT_SOUND_BULLET_HIT_GROUND_1;
+					pAudio->AudioEntity = AEHANDLE_NONE;
+					DMAudio.CreateOneShotScriptObject(pAudio);
+					break;
+				case ENTITY_TYPE_OBJECT:
+					pAudio = new cAudioScriptObject();
+					pAudio->Posn = pHitEntity->GetPosition();
+					pAudio->AudioId = SCRIPT_SOUND_BULLET_HIT_GROUND_2;
+					pAudio->AudioEntity = AEHANDLE_NONE;
+					DMAudio.CreateOneShotScriptObject(pAudio);
+					break;
+				case ENTITY_TYPE_DUMMY:
+					pAudio = new cAudioScriptObject();
+					pAudio->Posn = pHitEntity->GetPosition();
+					pAudio->AudioId = SCRIPT_SOUND_BULLET_HIT_GROUND_3;
+					pAudio->AudioEntity = AEHANDLE_NONE;
+					DMAudio.CreateOneShotScriptObject(pAudio);
+					break;
+				case ENTITY_TYPE_PED:
+					DMAudio.PlayOneShot(((CPed*)pHitEntity)->m_audioEntityId, SOUND_WEAPON_HIT_PED, 1.0f);
+					((CPed*)pHitEntity)->Say(SOUND_PED_BULLET_HIT);
+					break;
+				case ENTITY_TYPE_VEHICLE:
+					DMAudio.PlayOneShot(((CVehicle*)pHitEntity)->m_audioEntityId, SOUND_WEAPON_HIT_VEHICLE, 1.0f);
+					break;
+				}
+			}
+			CGlass::WasGlassHitByBullet(pHitEntity, point.point);
+			CWeapon::BlowUpExplosiveThings(pHitEntity);
+		}
+		CWorld::pIgnoreEntity = nil;
+		CWorld::bIncludeDeadPeds = false;
+		CWorld::bIncludeCarTyres = false;
+		if (pBullet->m_eWeaponType == WEAPONTYPE_SNIPERRIFLE) {
+			bPlayerSniperBullet = true;
+			PlayerSniperBulletStart = pBullet->m_vecPosition;
+			PlayerSniperBulletEnd = vecNewPos;
+		}
+		pBullet->m_vecPosition = vecNewPos;
+		if (pBullet->m_vecPosition.x < -MAP_BORDER || pBullet->m_vecPosition.x > MAP_BORDER ||
+			pBullet->m_vecPosition.y < -MAP_BORDER || pBullet->m_vecPosition.y > MAP_BORDER)
+			pBullet->m_bInUse = false;
+	}
+}
+
+bool CBulletInfo::TestForSniperBullet(float x1, float x2, float y1, float y2, float z1, float z2)
+{
+	if (!bPlayerSniperBullet)
+		return false;
+#ifdef FIX_BUGS // original code is not going work anyway...
+	CColLine line(PlayerSniperBulletStart, PlayerSniperBulletEnd);
+	CColBox box;
+	box.Set(CVector(x1, y1, z1), CVector(x2, y2, z2), 0, 0);
+	return CCollision::TestLineBox(line, box);
+#else
+	float minP = 0.0f;
+	float maxP = 1.0f;
+	float minX = min(PlayerSniperBulletStart.x, PlayerSniperBulletEnd.x);
+	float maxX = max(PlayerSniperBulletStart.x, PlayerSniperBulletEnd.x);
+	if (minX < x2 || maxX > x1) {
+		if (minX < x1)
+			minP = min(minP, (x1 - minX) / (maxX - minX));
+		if (maxX > x2)
+			maxP = max(maxP, (maxX - x2) / (maxX - minX));
+	}
+	else
+		return false;
+	float minY = min(PlayerSniperBulletStart.y, PlayerSniperBulletEnd.y);
+	float maxY = max(PlayerSniperBulletStart.y, PlayerSniperBulletEnd.y);
+	if (minY < y2 || maxY > y1) {
+		if (minY < y1)
+			minP = min(minP, (y1 - minY) / (maxY - minY));
+		if (maxY > y2)
+			maxP = max(maxP, (maxY - y2) / (maxY - minY));
+	}
+#ifdef FIX_BUGS
+	else
+		return false;
+#endif
+	float minZ = min(PlayerSniperBulletStart.z, PlayerSniperBulletEnd.z);
+	float maxZ = max(PlayerSniperBulletStart.z, PlayerSniperBulletEnd.z);
+	if (minZ < z2 || maxZ > z1) {
+		if (minZ < z1)
+			minP = min(minP, (z1 - minZ) / (maxZ - minZ));
+		if (maxZ > z2)
+			maxP = max(maxP, (maxZ - z2) / (maxZ - minZ));
+	}
+	else
+		return false;
+	return minP <= maxP;
+#endif
+}

src/weapons/BulletInfo.h

@@ -1,7 +1,24 @@
 #pragma once
+#include "Weapon.h"
+
+class CEntity;
 
 class CBulletInfo
 {
+    eWeaponType m_eWeaponType;
+    CEntity* m_pSource;
+    float m_fTimer; // big mistake
+    bool m_bInUse;
+    CVector m_vecPosition;
+    CVector m_vecSpeed;
+    int16 m_nDamage;
 public:
+    enum {
+        NUM_BULLETS = 100
+    };
+	static void Initialise(void);
+	static void Shutdown(void);
+	static bool AddBullet(CEntity*, eWeaponType, CVector, CVector);
+	static void Update(void);
 	static bool TestForSniperBullet(float x1, float x2, float y1, float y2, float z1, float z2);
 };

src/weapons/Weapon.cpp

@@ -15,6 +15,7 @@ WRAPPER void CWeapon::Update(int32 audioEntity) { EAXJMP(0x563A10); }
 WRAPPER void CWeapon::DoTankDoomAiming(CEntity *playerVehicle, CEntity *playerPed, CVector *start, CVector *end) { EAXJMP(0x563200); }
 WRAPPER void CWeapon::InitialiseWeapons(void) { EAXJMP(0x55C2D0); }
 WRAPPER void FireOneInstantHitRound(CVector* shotSource, CVector* shotTarget, int32 damage) { EAXJMP(0x563B00); }
+WRAPPER void CWeapon::BlowUpExplosiveThings(CEntity* pEntity) { EAXJMP(0x564A60); }
 
 void
 CWeapon::Initialise(eWeaponType type, int ammo)

src/weapons/Weapon.h

@@ -79,6 +79,7 @@ public:
 	bool HasWeaponAmmoToBeUsed(void);
 	static void InitialiseWeapons(void);
 	static void UpdateWeapons(void);
+	static void BlowUpExplosiveThings(CEntity*);
 };
 static_assert(sizeof(CWeapon) == 0x18, "CWeapon: error");