Import Cai1Hsu/re3 @ miami (reVC / GTA:VC decompilation)HEADmiami

Snapshot import (no upstream history) into git.ancap.in.ua/claude, per @lzcnt.
Source: https://github.com/Cai1Hsu/re3 branch miami.

1 files changed, 437 insertions, 0 deletions

diff --git a/src/weapons/ProjectileInfo.cpp b/src/weapons/ProjectileInfo.cpp
new file mode 100644
index 0000000..10aa3ef
--- /dev/null
+++ b/src/weapons/ProjectileInfo.cpp
@@ -0,0 +1,437 @@
+#include "common.h"
+
+#include "Camera.h"
+#include "General.h"
+#include "Heli.h"
+#include "ModelIndices.h"
+#include "Particle.h"
+#include "Ped.h"
+#include "Plane.h"
+#include "ProjectileInfo.h"
+#include "Projectile.h"
+#include "Explosion.h"
+#include "Weapon.h"
+#include "World.h"
+
+#ifdef SQUEEZE_PERFORMANCE
+uint32 projectileInUse;
+#endif
+
+CProjectileInfo gaProjectileInfo[NUM_PROJECTILES];
+CProjectile *CProjectileInfo::ms_apProjectile[NUM_PROJECTILES];
+
+#define PROJECTILE_BOUNDARY_MIN_X -2390.0f
+#define PROJECTILE_BOUNDARY_MAX_X 1590.0f
+#define PROJECTILE_BOUNDARY_MIN_Y -1990.0f
+#define PROJECTILE_BOUNDARY_MAX_Y 1990.0f
+
+void
+CProjectileInfo::Initialise()
+{
+	debug("Initialising CProjectileInfo...\n");
+
+	for (int i = 0; i < ARRAY_SIZE(ms_apProjectile); i++) {
+		ms_apProjectile[i] = nil;
+		gaProjectileInfo[i].m_eWeaponType = WEAPONTYPE_GRENADE;
+		gaProjectileInfo[i].m_pSource = nil;
+		gaProjectileInfo[i].m_nExplosionTime = 0;
+		gaProjectileInfo[i].m_bInUse = false;
+	}
+
+	debug("CProjectileInfo ready\n");
+
+#ifdef SQUEEZE_PERFORMANCE
+	projectileInUse = 0;
+#endif
+}
+
+void
+CProjectileInfo::Shutdown()
+{
+	debug("Shutting down CProjectileInfo...\n");
+	debug("CProjectileInfo shut down\n");
+}
+
+CProjectileInfo*
+CProjectileInfo::GetProjectileInfo(int32 id)
+{
+	return &gaProjectileInfo[id];
+}
+
+bool
+CProjectileInfo::AddProjectile(CEntity *entity, eWeaponType weapon, CVector pos, float speed)
+{
+	int8 SpecialCollisionResponseCase = COLLRESPONSE_NONE;
+	bool gravity = true;
+	CMatrix matrix;
+	float elasticity = 0.75f;
+	CPed* ped = (CPed*)entity;
+	int time;
+	CVector velocity;
+
+	switch (weapon)
+	{
+		case WEAPONTYPE_ROCKET:
+		{
+			float vy = 0.35f;
+			time = CTimer::GetTimeInMilliseconds() + 2000;
+			if (entity->GetModelIndex() == MI_SPARROW || entity->GetModelIndex() == MI_HUNTER || entity->GetModelIndex() == MI_SENTINEL) {
+				matrix = ped->GetMatrix();
+				matrix.GetPosition() = pos;
+				CVector vecSpeed = ((CPhysical*)entity)->m_vecMoveSpeed;
+				vy += Max(0.0f, DotProduct(vecSpeed, entity->GetForward())) + Max(0.0f, DotProduct(vecSpeed, entity->GetUp()));
+			} else {
+				if (ped->IsPlayer()) {
+					matrix.GetForward() = TheCamera.Cams[TheCamera.ActiveCam].Front;
+					matrix.GetUp() = TheCamera.Cams[TheCamera.ActiveCam].Up;
+					matrix.GetRight() = CrossProduct(TheCamera.Cams[TheCamera.ActiveCam].Up, TheCamera.Cams[TheCamera.ActiveCam].Front);
+					matrix.GetPosition() = pos;
+				} else if (ped->m_pSeekTarget != nil) {
+					float ry = CGeneral::GetRadianAngleBetweenPoints(1.0f, ped->m_pSeekTarget->GetPosition().z, 1.0f, pos.z);
+					float rz = Atan2(-ped->GetForward().x, ped->GetForward().y);
+					vy = 0.35f * speed + 0.15f;
+					matrix.SetTranslate(0.0f, 1.0f, 1.0f);
+					matrix.Rotate(0.0f, ry, rz);
+					matrix.GetPosition() += pos;
+				} else {
+					matrix = ped->GetMatrix();
+				}
+			}
+			velocity = Multiply3x3(matrix, CVector(0.0f, vy, 0.0f));
+			gravity = false;
+			break;
+		}
+		case WEAPONTYPE_MOLOTOV:
+		{
+			time = CTimer::GetTimeInMilliseconds() + 2000;
+			float scale = 0.22f * speed + 0.15f;
+			if (scale < 0.2f)
+				scale = 0.2f;
+			float angle = Atan2(-ped->GetForward().x, ped->GetForward().y);
+			matrix.SetTranslate(0.0f, 0.0f, 0.0f);
+			matrix.RotateZ(angle);
+			matrix.GetPosition() += pos;
+			velocity.x = -1.0f * scale * Sin(angle);
+			velocity.y = scale * Cos(angle);
+			velocity.z = (0.2f * speed + 0.4f) * scale;
+			break;
+		}
+		case WEAPONTYPE_TEARGAS:
+		{
+			time = CTimer::GetTimeInMilliseconds() + 20000;
+			float scale = 0.0f;
+			if (speed != 0.0f)
+				scale = 0.22f * speed + 0.15f;
+			float angle = Atan2(-ped->GetForward().x, ped->GetForward().y);
+			matrix.SetTranslate(0.0f, 0.0f, 0.0f);
+			matrix.RotateZ(angle);
+			matrix.GetPosition() += pos;
+			SpecialCollisionResponseCase = COLLRESPONSE_UNKNOWN5;
+			velocity.x = -1.0f * scale * Sin(angle);
+			velocity.y = scale * Cos(angle);
+			velocity.z = (0.4f * speed + 0.4f) * scale;
+			elasticity = 0.5f;
+			break;
+		}
+		case WEAPONTYPE_GRENADE:
+		case WEAPONTYPE_DETONATOR_GRENADE:
+		{
+			time = CTimer::GetTimeInMilliseconds() + 2000;
+			float scale = 0.0f;
+			if (speed != 0.0f)
+				scale = 0.22f * speed + 0.15f;
+			float angle = Atan2(-ped->GetForward().x, ped->GetForward().y);
+			matrix.SetTranslate(0.0f, 0.0f, 0.0f);
+			matrix.RotateZ(angle);
+			matrix.GetPosition() += pos;
+			SpecialCollisionResponseCase = COLLRESPONSE_UNKNOWN5;
+			velocity.x = -1.0f * scale * Sin(angle);
+			velocity.y = scale * Cos(angle);
+			velocity.z = (0.4f * speed + 0.4f) * scale;
+			elasticity = 0.5f;
+			break;
+		}
+		default:
+		Error("Undefined projectile type, AddProjectile, ProjectileInfo.cpp");
+		break;
+	}
+
+	int i = 0;
+#ifdef FIX_BUGS
+	while (i < ARRAY_SIZE(gaProjectileInfo) && gaProjectileInfo[i].m_bInUse) i++;
+#else
+	// array overrun is UB
+	while (gaProjectileInfo[i].m_bInUse && i < ARRAY_SIZE(gaProjectileInfo)) i++;
+#endif
+	if (i == ARRAY_SIZE(gaProjectileInfo))
+		return false;
+
+	switch (weapon)
+	{
+		case WEAPONTYPE_ROCKET:
+		ms_apProjectile[i] = new CProjectile(MI_MISSILE);
+		break;
+		case WEAPONTYPE_TEARGAS:
+		ms_apProjectile[i] = new CProjectile(MI_TEARGAS);
+		break;
+		case WEAPONTYPE_MOLOTOV:
+		ms_apProjectile[i] = new CProjectile(MI_MOLOTOV);
+		break;
+		case WEAPONTYPE_GRENADE:
+		case WEAPONTYPE_DETONATOR_GRENADE:
+		ms_apProjectile[i] = new CProjectile(MI_GRENADE);
+		break;
+		default: break;
+	}
+
+	if (ms_apProjectile[i] == nil)
+		return false;
+
+	gaProjectileInfo[i].m_eWeaponType = weapon;
+	gaProjectileInfo[i].m_pSource = ped;
+	ms_apProjectile[i]->GetMatrix() = matrix;
+	ms_apProjectile[i]->SetMoveSpeed(velocity);
+	ms_apProjectile[i]->bAffectedByGravity = gravity;
+
+	gaProjectileInfo[i].m_nExplosionTime = time;
+	ms_apProjectile[i]->m_fElasticity = elasticity;
+	ms_apProjectile[i]->m_nSpecialCollisionResponseCases = SpecialCollisionResponseCase;
+
+#ifdef SQUEEZE_PERFORMANCE
+	projectileInUse++;
+#endif
+
+	gaProjectileInfo[i].m_bInUse = true;
+	CWorld::Add(ms_apProjectile[i]);
+
+	gaProjectileInfo[i].m_vecPos = ms_apProjectile[i]->GetPosition();
+
+	if (entity && entity->IsPed() && !ped->m_pCollidingEntity) {
+		ped->m_pCollidingEntity = ms_apProjectile[i];
+	}
+	return true;
+}
+
+void
+CProjectileInfo::RemoveProjectile(CProjectileInfo *info, CProjectile *projectile)
+{
+	// TODO(Miami): New parameter: 1
+	switch (info->m_eWeaponType) {
+		case WEAPONTYPE_GRENADE:
+			CExplosion::AddExplosion(nil, info->m_pSource, EXPLOSION_GRENADE, projectile->GetPosition(), 0);
+			break;
+		case WEAPONTYPE_MOLOTOV:
+			CExplosion::AddExplosion(nil, info->m_pSource, EXPLOSION_MOLOTOV, projectile->GetPosition(), 0);
+			break;
+		case WEAPONTYPE_ROCKET:
+			CExplosion::AddExplosion(nil, info->m_pSource->IsVehicle() ? ((CVehicle*)info->m_pSource)->pDriver : info->m_pSource, EXPLOSION_ROCKET, projectile->GetPosition(), 0);
+			break;
+	}
+#ifdef SQUEEZE_PERFORMANCE
+	projectileInUse--;
+#endif
+
+	info->m_bInUse = false;
+	CWorld::Remove(projectile);
+	delete projectile;
+}
+
+void
+CProjectileInfo::RemoveNotAdd(CEntity *entity, eWeaponType weaponType, CVector pos)
+{
+	// TODO(Miami): New parameter: 1
+	switch (weaponType) {
+		case WEAPONTYPE_GRENADE:
+			CExplosion::AddExplosion(nil, entity, EXPLOSION_GRENADE, pos, 0);
+			break;
+		case WEAPONTYPE_MOLOTOV:
+			CExplosion::AddExplosion(nil, entity, EXPLOSION_MOLOTOV, pos, 0);
+			break;
+		case WEAPONTYPE_ROCKET:
+			CExplosion::AddExplosion(nil, entity, EXPLOSION_ROCKET, pos, 0);
+			break;
+	}
+}
+
+void
+CProjectileInfo::Update()
+{
+#ifdef SQUEEZE_PERFORMANCE
+	if (projectileInUse == 0)
+		return;
+#endif
+
+	int tearGasOffset = -0.0f; // unused
+	
+	for (int i = 0; i < ARRAY_SIZE(gaProjectileInfo); i++) {
+		if (!gaProjectileInfo[i].m_bInUse) continue;
+
+		CPed *ped = (CPed*)gaProjectileInfo[i].m_pSource;
+		if (ped != nil && ped->IsPed() && !ped->IsPointerValid())
+			gaProjectileInfo[i].m_pSource = nil;
+
+		if (ms_apProjectile[i] == nil) {
+#ifdef SQUEEZE_PERFORMANCE
+			projectileInUse--;
+#endif
+
+			gaProjectileInfo[i].m_bInUse = false;
+			continue;
+		}
+		if ( (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_DETONATOR_GRENADE || gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_TEARGAS) && ms_apProjectile[i]->m_fElasticity > 0.1f ) {
+			if ( Abs(ms_apProjectile[i]->m_vecMoveSpeed.x) < 0.05f && Abs(ms_apProjectile[i]->m_vecMoveSpeed.y) < 0.05f && Abs(ms_apProjectile[i]->m_vecMoveSpeed.z) < 0.05f ) {
+				ms_apProjectile[i]->m_fElasticity = 0.03f;
+			}
+		}
+		const CVector &projectilePos = ms_apProjectile[i]->GetPosition();
+		CVector nextPos = CTimer::GetTimeStep() * ms_apProjectile[i]->m_vecMoveSpeed + projectilePos;
+
+		if ( nextPos.x <= PROJECTILE_BOUNDARY_MIN_X || nextPos.x >= PROJECTILE_BOUNDARY_MAX_X || nextPos.y <= PROJECTILE_BOUNDARY_MIN_Y || nextPos.y >= PROJECTILE_BOUNDARY_MAX_Y ) {
+			// Not RemoveProjectile, because we don't want no explosion
+			gaProjectileInfo[i].m_bInUse = false;
+			CWorld::Remove(ms_apProjectile[i]);
+			delete ms_apProjectile[i];
+        	continue;
+		}
+		if ( gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_TEARGAS && CTimer::GetTimeInMilliseconds() > gaProjectileInfo[i].m_nExplosionTime - 19500 ) {
+			CParticle::AddParticle(PARTICLE_TEARGAS, projectilePos, CVector(0.2f, tearGasOffset, 0.0f), 0, 0.0f, 0, 0, 0, 0);
+			CParticle::AddParticle(PARTICLE_TEARGAS, projectilePos, CVector(-0.2f, tearGasOffset, 0.0f), 0, 0.0f, 0, 0, 0, 0);
+			CParticle::AddParticle(PARTICLE_TEARGAS, projectilePos, CVector(tearGasOffset, tearGasOffset, 0.0f), 0, 0.0f, 0, 0, 0, 0);
+
+			if ( CTimer::GetTimeInMilliseconds() & 0x200 )
+				CWorld::SetPedsChoking(projectilePos.x, projectilePos.y, projectilePos.z, 6.0f, gaProjectileInfo[i].m_pSource);
+		}
+
+		if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_ROCKET) {
+			CParticle::AddParticlesAlongLine(PARTICLE_ROCKET_SMOKE, gaProjectileInfo[i].m_vecPos, projectilePos, CVector(0.0f, 0.0f, 0.0f), 0.7f, 0, 0, 0, 3000);
+		}
+
+		if (CTimer::GetTimeInMilliseconds() <= gaProjectileInfo[i].m_nExplosionTime || gaProjectileInfo[i].m_nExplosionTime == 0) {
+			if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_ROCKET) {
+				CVector pos = ms_apProjectile[i]->GetPosition();
+				CWorld::pIgnoreEntity = ms_apProjectile[i];
+				if (ms_apProjectile[i]->bHasCollided
+					|| !CWorld::GetIsLineOfSightClear(gaProjectileInfo[i].m_vecPos, pos, true, true, true, true, false, false)
+					|| CHeli::TestRocketCollision(&pos) || CPlane::TestRocketCollision(&pos)) {
+					RemoveProjectile(&gaProjectileInfo[i], ms_apProjectile[i]);
+				}
+				CWorld::pIgnoreEntity = nil;
+				ms_apProjectile[i]->m_vecMoveSpeed *= 1.07f;
+
+			} else if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_MOLOTOV) {
+				CVector pos = ms_apProjectile[i]->GetPosition();
+				CWorld::pIgnoreEntity = ms_apProjectile[i];
+
+				if (gaProjectileInfo[i].m_pSource == nil 
+					|| ((gaProjectileInfo[i].m_vecPos - gaProjectileInfo[i].m_pSource->GetPosition()).MagnitudeSqr() >= 2.0f))
+				{
+					if (ms_apProjectile[i]->bHasCollided
+						|| !CWorld::GetIsLineOfSightClear(gaProjectileInfo[i].m_vecPos, pos, true, true, true, true, false, false)) {
+						RemoveProjectile(&gaProjectileInfo[i], ms_apProjectile[i]);
+					}
+				}
+				CWorld::pIgnoreEntity = nil;
+			}
+		} else {
+			if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_DETONATOR_GRENADE) {
+				CEntity *ent = gaProjectileInfo[i].m_pSource;
+				if (ent->IsPed() && ((CPed*)ped)->IsPlayer()) {
+					CPed *ped = (CPed*)ent;
+					if (ped->GetWeapon(ped->GetWeaponSlot(WEAPONTYPE_DETONATOR)).m_eWeaponType != WEAPONTYPE_DETONATOR
+						|| ped->GetWeapon(ped->GetWeaponSlot(WEAPONTYPE_DETONATOR)).m_nAmmoTotal == 0) {
+						gaProjectileInfo[i].m_nExplosionTime = 0;
+					}
+				}
+			} else {
+				RemoveProjectile(&gaProjectileInfo[i], ms_apProjectile[i]);
+			}
+		}
+
+		gaProjectileInfo[i].m_vecPos = ms_apProjectile[i]->GetPosition();
+	}
+}
+
+bool
+CProjectileInfo::IsProjectileInRange(float x1, float x2, float y1, float y2, float z1, float z2, bool remove)
+{
+	bool result = false;
+	for (int i = 0; i < ARRAY_SIZE(ms_apProjectile); i++) {
+		if (gaProjectileInfo[i].m_bInUse) {
+			if (gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_ROCKET || gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_MOLOTOV || gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_GRENADE) {
+				const CVector &pos = ms_apProjectile[i]->GetPosition();
+				if (pos.x >= x1 && pos.x <= x2 && pos.y >= y1 && pos.y <= y2 && pos.z >= z1 && pos.z <= z2) {
+					result = true;
+					if (remove) {
+#ifdef SQUEEZE_PERFORMANCE
+						projectileInUse--;
+#endif
+
+						gaProjectileInfo[i].m_bInUse = false;
+						CWorld::Remove(ms_apProjectile[i]);
+						delete ms_apProjectile[i];
+					}
+				}
+			}
+		}
+	}
+	return result;
+}
+
+void
+CProjectileInfo::RemoveDetonatorProjectiles()
+{
+	for (int i = 0; i < ARRAY_SIZE(ms_apProjectile); i++) {
+		if (gaProjectileInfo[i].m_bInUse && gaProjectileInfo[i].m_eWeaponType == WEAPONTYPE_DETONATOR_GRENADE) {
+			CExplosion::AddExplosion(nil, gaProjectileInfo[i].m_pSource, EXPLOSION_GRENADE, gaProjectileInfo[i].m_vecPos, 0); // TODO(Miami): New parameter: 1
+			gaProjectileInfo[i].m_bInUse = false;
+			CWorld::Remove(ms_apProjectile[i]);
+			delete ms_apProjectile[i];
+		}
+	}
+}
+
+void
+CProjectileInfo::RemoveAllProjectiles()
+{
+#ifdef SQUEEZE_PERFORMANCE
+	if (projectileInUse == 0)
+		return;
+#endif
+
+	for (int i = 0; i < ARRAY_SIZE(ms_apProjectile); i++) {
+		if (gaProjectileInfo[i].m_bInUse) {
+#ifdef SQUEEZE_PERFORMANCE
+			projectileInUse--;
+#endif
+
+			gaProjectileInfo[i].m_bInUse = false;
+			CWorld::Remove(ms_apProjectile[i]);
+			delete ms_apProjectile[i];
+		}
+	}
+}
+
+bool
+CProjectileInfo::RemoveIfThisIsAProjectile(CObject *object)
+{
+#ifdef SQUEEZE_PERFORMANCE
+	if (projectileInUse == 0)
+		return false;
+#endif
+
+	int i = 0;
+	while (ms_apProjectile[i++] != object) {
+		if (i >= ARRAY_SIZE(ms_apProjectile))
+			return false;
+	}
+
+#ifdef SQUEEZE_PERFORMANCE
+	projectileInUse--;
+#endif
+
+	gaProjectileInfo[i].m_bInUse = false;
+	CWorld::Remove(ms_apProjectile[i]);
+	delete ms_apProjectile[i];
+	ms_apProjectile[i] = nil;
+	return true;
+}