Fix impossible bullets

5 files changed, 122 insertions, 27 deletions

diff --git a/src/peds/Ped.cpp b/src/peds/Ped.cpp
index fbe63a1a..6cbe7484 100644
--- a/src/peds/Ped.cpp
+++ b/src/peds/Ped.cpp
@@ -1233,8 +1233,12 @@ CPed::ClearAimFlag(void)
 		m_lookTimer = 0;
 	}
 
-	if (IsPlayer())
+	if (IsPlayer()) {
 		((CPlayerPed*)this)->m_fFPSMoveHeading = 0.0f;
+#ifdef FREE_CAM
+		((CPlayerPed*)this)->m_bFreeAimActive = false;
+#endif
+	}
 }
 
 void
diff --git a/src/peds/PedFight.cpp b/src/peds/PedFight.cpp
index 20df6553..43ded57a 100644
--- a/src/peds/PedFight.cpp
+++ b/src/peds/PedFight.cpp
@@ -345,11 +345,17 @@ CPed::SetAttack(CEntity *victim)
 
 		if (m_pLookTarget) {
 			SetAimFlag(m_pLookTarget);
-		} else if (this == FindPlayerPed() && TheCamera.Cams[0].Using3rdPersonMouseCam()) {
-			SetAimFlag(m_fRotationCur);
-			((CPlayerPed*)this)->m_fFPSMoveHeading = TheCamera.Find3rdPersonQuickAimPitch();
-		} else if (curWeapon->IsFlagSet(WEAPONFLAG_CANAIM_WITHARM)) {
-			SetAimFlag(m_fRotationCur);
+#ifdef FREE_CAM
+		} else if (this != FindPlayerPed() || !((CPlayerPed*)this)->m_bFreeAimActive) {
+#else
+		} else {
+#endif
+			if (this == FindPlayerPed() && TheCamera.Cams[0].Using3rdPersonMouseCam()) {
+				SetAimFlag(m_fRotationCur);
+				((CPlayerPed*)this)->m_fFPSMoveHeading = TheCamera.Find3rdPersonQuickAimPitch();
+			} else if (curWeapon->IsFlagSet(WEAPONFLAG_CANAIM_WITHARM)) {
+				SetAimFlag(m_fRotationCur);
+			}
 		}
 	}
 #ifdef FIX_BUGS
@@ -821,6 +827,9 @@ CPed::Attack(void)
 		if (!bIsDucking && !GetFireAnimNotDucking(ourWeapon) && ourWeapon->IsFlagSet(WEAPONFLAG_CANAIM_WITHARM))
 			m_pedIK.m_flags |= CPedIK::AIMS_WITH_ARM;
 		else
+#ifdef FREE_CAM
+			if (!IsPlayer() || !((CPlayerPed*)this)->m_bFreeAimActive)
+#endif
 			m_pedIK.m_flags &= ~CPedIK::AIMS_WITH_ARM;
 	}
 
@@ -1017,6 +1026,15 @@ CPed::Attack(void)
 			weaponAnimAssoc->SetCurrentTime(animLoopEnd);
 			weaponAnimAssoc->flags &= ~ASSOC_RUNNING;
 			SetPointGunAt(m_pPointGunAt);
+#ifdef FREE_CAM
+		} else if (IsPlayer() && ((CPlayerPed*)this)->m_bFreeAimActive && GetWeapon()->m_eWeaponState != WEAPONSTATE_RELOADING) {
+			float limitedCam = CGeneral::LimitRadianAngle(-TheCamera.Orientation);
+			SetLookFlag(limitedCam, true, true);
+			SetAimFlag(limitedCam);
+			SetLookTimer(INT32_MAX);
+			SetPointGunAt(nil);
+			((CPlayerPed*)this)->m_fFPSMoveHeading = TheCamera.Find3rdPersonQuickAimPitch();
+#endif
 		} else {
 			ClearAimFlag();
 
diff --git a/src/peds/PlayerPed.cpp b/src/peds/PlayerPed.cpp
index 1d96ba6d..b0b82640 100644
--- a/src/peds/PlayerPed.cpp
+++ b/src/peds/PlayerPed.cpp
@@ -98,6 +98,9 @@ CPlayerPed::CPlayerPed(void) : CPed(PEDTYPE_PLAYER1)
 	m_nAttackDirToCheck = 0;
 	m_nLastBusFareCollected = 0;
 	idleAnimBlockIndex = CAnimManager::GetAnimationBlockIndex("playidles");
+#ifdef FREE_CAM
+	m_bFreeAimActive = false;
+#endif
 }
 
 void
@@ -1342,17 +1345,22 @@ CPlayerPed::ProcessPlayerWeapon(CPad *padUsed)
 			if ((padUsed->GetTarget() && CAN_AIM_WITH_ARM) || padUsed->GetWeapon()) {
 				float limitedCam = CGeneral::LimitRadianAngle(-TheCamera.Orientation);
 
+				m_cachedCamSource = TheCamera.Cams[TheCamera.ActiveCam].Source;
+				m_cachedCamFront = TheCamera.Cams[TheCamera.ActiveCam].Front;
+				m_cachedCamUp = TheCamera.Cams[TheCamera.ActiveCam].Up;
+				
 				// On this one we can rotate arm.
 				if (CAN_AIM_WITH_ARM) {
-					if (!padUsed->GetWeapon()) { // making this State != ATTACK still stops it after attack. Re-start it immediately!
-						SetPointGunAt(nil);
-						bIsPointingGunAt = false; // to not stop after attack
-					}
 					pointedGun = 2;
-					SetLookFlag(limitedCam, true);
+					m_bFreeAimActive = true;
+					SetLookFlag(limitedCam, true, true);
 					SetAimFlag(limitedCam);
-					SetLookTimer(INT32_MAX); // removing this makes head move for real, but I experinced some bugs.
-					
+					SetLookTimer(INT32_MAX);
+					((CPlayerPed*)this)->m_fFPSMoveHeading = TheCamera.Find3rdPersonQuickAimPitch();
+					if (m_nPedState != PED_ATTACK && m_nPedState != PED_AIM_GUN) {
+						// This is a seperate ped state just for pointing gun. Used for target button
+						SetPointGunAt(nil);
+					}
 				} else {
 					m_fRotationDest = limitedCam;
 					changedHeadingRate = 2;
@@ -1380,9 +1388,19 @@ CPlayerPed::ProcessPlayerWeapon(CPad *padUsed)
 		changedHeadingRate = 0;
 		RestoreHeadingRate();
 	}
-	if (pointedGun == 1 && m_nPedState != PED_ATTACK) {
-		pointedGun = 0;
-		ClearPointGunAt();
+	if (pointedGun == 1) {
+		if (m_nPedState == PED_ATTACK) {
+			if (!padUsed->GetWeapon() && (m_pedIK.m_flags & CPedIK::GUN_POINTED_SUCCESSFULLY) == 0) {
+				float limitedCam = CGeneral::LimitRadianAngle(-TheCamera.Orientation);
+
+				SetAimFlag(limitedCam);
+				((CPlayerPed*)this)->m_fFPSMoveHeading = TheCamera.Find3rdPersonQuickAimPitch();
+				m_bFreeAimActive = true;
+			}
+		} else {
+			pointedGun = 0;
+			ClearPointGunAt();
+		}
 	}
 #endif
 
diff --git a/src/peds/PlayerPed.h b/src/peds/PlayerPed.h
index 1b7158b5..30b67199 100644
--- a/src/peds/PlayerPed.h
+++ b/src/peds/PlayerPed.h
@@ -44,6 +44,12 @@ public:
 	float m_fGunSpinAngle;
 	unsigned int m_nPadDownPressedInMilliseconds;
 	unsigned int m_nLastBusFareCollected;
+#ifdef FREE_CAM
+	bool m_bFreeAimActive;
+	CVector m_cachedCamSource;
+	CVector m_cachedCamFront;
+	CVector m_cachedCamUp;
+#endif
 
 	static bool bDontAllowWeaponChange;
 #ifndef MASTER
diff --git a/src/weapons/Weapon.cpp b/src/weapons/Weapon.cpp
index c0319a11..2d219e2d 100644
--- a/src/weapons/Weapon.cpp
+++ b/src/weapons/Weapon.cpp
@@ -49,6 +49,29 @@ bool CWeapon::bPhotographHasBeenTaken;
 int32 sniperPirateCheck = 0x00797743; // 'Cwy\0' ???
 #endif
 
+#ifdef FREE_CAM
+static bool
+Find3rdPersonCamTargetVectorFromCachedVectors(float dist, CVector pos, CVector& source, CVector& target, CVector camSource, CVector camFront, CVector camUp)
+{
+	if (CPad::GetPad(0)->GetLookBehindForPed()) {
+		source = pos;
+		target = dist * FindPlayerPed()->GetForward() + source;
+		return false;
+	} else {
+		float angleX = DEGTORAD((CCamera::m_f3rdPersonCHairMultX - 0.5f) * 1.8f * 0.5f * TheCamera.Cams[TheCamera.ActiveCam].FOV * CDraw::GetAspectRatio());
+		float angleY = DEGTORAD((0.5f - CCamera::m_f3rdPersonCHairMultY) * 1.8f * 0.5f * TheCamera.Cams[TheCamera.ActiveCam].FOV);
+		source = camSource;
+		target = camFront;
+		target += camUp * Tan(angleY);
+		target += CrossProduct(camFront, camUp) * Tan(angleX);
+		target.Normalise();
+		source += DotProduct(pos - source, target) * target;
+		target = dist * target + source;
+		return true;
+	}
+}
+#endif
+
 CWeaponInfo *
 CWeapon::GetInfo()
 {
@@ -943,17 +966,23 @@ CWeapon::FireInstantHit(CEntity *shooter, CVector *fireSource)
 	}
 	else if ( shooter == FindPlayerPed() && TheCamera.Cams[0].Using3rdPersonMouseCam()  )
 	{
-		TheCamera.Find3rdPersonCamTargetVector(info->m_fRange, *fireSource, source, target);
 #ifdef FREE_CAM
-		CPed *shooterPed = (CPed *)shooter;
-		if((shooterPed->m_pedIK.m_flags & CPedIK::GUN_POINTED_SUCCESSFULLY) == 0) {
-			target.x = info->m_fRange;
-			target.y = 0.0f;
-			target.z = 0.0f;
+		if (CCamera::bFreeCam) {
+			CPlayerPed* shooterPed = (CPlayerPed*)shooter;
+			Find3rdPersonCamTargetVectorFromCachedVectors(info->m_fRange, *fireSource, source, target, shooterPed->m_cachedCamSource, shooterPed->m_cachedCamFront, shooterPed->m_cachedCamUp);
 
-			shooterPed->TransformToNode(target, PED_HANDR);
-		}
+			if ((shooterPed->m_pedIK.m_flags & CPedIK::GUN_POINTED_SUCCESSFULLY) == 0) {
+				target.x = info->m_fRange;
+				target.y = 0.0f;
+				target.z = 0.0f;
+
+				shooterPed->TransformToNode(target, PED_HANDR);
+			}
+		} else
 #endif
+		{
+			TheCamera.Find3rdPersonCamTargetVector(info->m_fRange, *fireSource, source, target);
+		}
 
 #ifdef FIX_BUGS
 		// fix muzzleflash rotation
@@ -1708,8 +1737,19 @@ CWeapon::FireShotgun(CEntity *shooter, CVector *fireSource)
 
 		if ( shooter == FindPlayerPed() && TheCamera.Cams[0].Using3rdPersonMouseCam() )
 		{
-			TheCamera.Find3rdPersonCamTargetVector(1.0f, *fireSource, source, target);
-			CVector Left = CrossProduct(TheCamera.Cams[TheCamera.ActiveCam].Front, TheCamera.Cams[TheCamera.ActiveCam].Up);
+			CVector Left;
+#ifdef FREE_CAM
+			if (CCamera::bFreeCam) {
+				CPlayerPed* shooterPed = (CPlayerPed*)shooter;
+				Find3rdPersonCamTargetVectorFromCachedVectors(1.0f, *fireSource, source, target, shooterPed->m_cachedCamSource, shooterPed->m_cachedCamFront, shooterPed->m_cachedCamUp);
+				Left = CrossProduct(shooterPed->m_cachedCamFront, shooterPed->m_cachedCamUp);
+			}
+			else
+#endif
+			{
+				TheCamera.Find3rdPersonCamTargetVector(1.0f, *fireSource, source, target);
+				Left = CrossProduct(TheCamera.Cams[TheCamera.ActiveCam].Front, TheCamera.Cams[TheCamera.ActiveCam].Up);
+			}
 
 			float f = (i - (shootsAtOnce / 2)) * angleBetweenTwoShot;
 			target  = f * Left + target - source;
@@ -2151,7 +2191,16 @@ CWeapon::FireAreaEffect(CEntity *shooter, CVector *fireSource)
 
 	if ( shooter == FindPlayerPed() && TheCamera.Cams[0].Using3rdPersonMouseCam() )
 	{
-		TheCamera.Find3rdPersonCamTargetVector(info->m_fRange, *fireSource, source, target);
+#ifdef FREE_CAM
+		if (CCamera::bFreeCam) {
+			CPlayerPed* shooterPed = (CPlayerPed*)shooter;
+			Find3rdPersonCamTargetVectorFromCachedVectors(info->m_fRange, *fireSource, source, target, shooterPed->m_cachedCamSource, shooterPed->m_cachedCamFront, shooterPed->m_cachedCamUp);
+		}
+		else
+#endif
+		{
+			TheCamera.Find3rdPersonCamTargetVector(info->m_fRange, *fireSource, source, target);
+		}
 		float norm = (1.0f / info->m_fRange);
 		dir = (target - source) * norm;
 	}