diff options
Diffstat (limited to 'src/core/Camera.cpp')
| -rw-r--r-- | src/core/Camera.cpp | 1310 |
1 files changed, 1310 insertions, 0 deletions
diff --git a/src/core/Camera.cpp b/src/core/Camera.cpp new file mode 100644 index 00000000..58e65d24 --- /dev/null +++ b/src/core/Camera.cpp @@ -0,0 +1,1310 @@ +#include "common.h" +#include "patcher.h" +#include "main.h" +#include "Draw.h" +#include "World.h" +#include "Vehicle.h" +#include "Ped.h" +#include "PlayerPed.h" +#include "Pad.h" +#include "General.h" +#include "ZoneCull.h" +#include "SurfaceTable.h" +#include "MBlur.h" +#include "Camera.h" + +const float DefaultFOV = 70.0f; // beta: 80.0f + +CCamera &TheCamera = *(CCamera*)0x6FACF8; +bool &CCamera::m_bUseMouse3rdPerson = *(bool *)0x5F03D8; + +WRAPPER void CCamera::DrawBordersForWideScreen(void) { EAXJMP(0x46B430); } +WRAPPER void CCamera::CalculateDerivedValues(void) { EAXJMP(0x46EEA0); } +WRAPPER void CCamera::Restore(void) { EAXJMP(0x46F990); } +WRAPPER void CCamera::SetWidescreenOff(void) { EAXJMP(0x46FF10); } + +bool +CCamera::IsSphereVisible(const CVector ¢er, float radius, const CMatrix *mat) +{ + RwV3d c; + c = *(RwV3d*)¢er; + RwV3dTransformPoints(&c, &c, 1, &mat->m_matrix); + if(c.y + radius < CDraw::GetNearClipZ()) return false; + if(c.y - radius > CDraw::GetFarClipZ()) return false; + if(c.x*m_vecFrustumNormals[0].x + c.y*m_vecFrustumNormals[0].y > radius) return false; + if(c.x*m_vecFrustumNormals[1].x + c.y*m_vecFrustumNormals[1].y > radius) return false; + if(c.y*m_vecFrustumNormals[2].y + c.z*m_vecFrustumNormals[2].z > radius) return false; + if(c.y*m_vecFrustumNormals[3].y + c.z*m_vecFrustumNormals[3].z > radius) return false; + return true; +} + +bool +CCamera::IsPointVisible(const CVector ¢er, const CMatrix *mat) +{ + RwV3d c; + c = *(RwV3d*)¢er; + RwV3dTransformPoints(&c, &c, 1, &mat->m_matrix); + if(c.y < CDraw::GetNearClipZ()) return false; + if(c.y > CDraw::GetFarClipZ()) return false; + if(c.x*m_vecFrustumNormals[0].x + c.y*m_vecFrustumNormals[0].y > 0.0f) return false; + if(c.x*m_vecFrustumNormals[1].x + c.y*m_vecFrustumNormals[1].y > 0.0f) return false; + if(c.y*m_vecFrustumNormals[2].y + c.z*m_vecFrustumNormals[2].z > 0.0f) return false; + if(c.y*m_vecFrustumNormals[3].y + c.z*m_vecFrustumNormals[3].z > 0.0f) return false; + return true; +} + +bool +CCamera::IsBoxVisible(RwV3d *box, const CMatrix *mat) +{ + int i; + int frustumTests[6] = { 0 }; + RwV3dTransformPoints(box, box, 8, &mat->m_matrix); + + for(i = 0; i < 8; i++){ + if(box[i].y < CDraw::GetNearClipZ()) frustumTests[0]++; + if(box[i].y > CDraw::GetFarClipZ()) frustumTests[1]++; + if(box[i].x*m_vecFrustumNormals[0].x + box[i].y*m_vecFrustumNormals[0].y > 0.0f) frustumTests[2]++; + if(box[i].x*m_vecFrustumNormals[1].x + box[i].y*m_vecFrustumNormals[1].y > 0.0f) frustumTests[3]++; +// Why not test z? +// if(box[i].y*m_vecFrustumNormals[2].y + box[i].z*m_vecFrustumNormals[2].z > 0.0f) frustumTests[4]++; +// if(box[i].y*m_vecFrustumNormals[3].y + box[i].z*m_vecFrustumNormals[3].z > 0.0f) frustumTests[5]++; + } + for(i = 0; i < 6; i++) + if(frustumTests[i] == 8) + return false; // Box is completely outside of one plane + return true; +} + +int +CCamera::GetLookDirection(void) +{ + if(Cams[ActiveCam].Mode == CCam::MODE_CAMONASTRING || + Cams[ActiveCam].Mode == CCam::MODE_FIRSTPERSON || + Cams[ActiveCam].Mode == CCam::MODE_BEHINDBOAT || + Cams[ActiveCam].Mode == CCam::MODE_FOLLOWPED) + return Cams[ActiveCam].DirectionWasLooking; + return LOOKING_FORWARD;; +} + +WRAPPER void CCamera::Fade(float timeout, int16 direction) { EAXJMP(0x46B3A0); } +WRAPPER void CCamera::ProcessFade(void) { EAXJMP(0x46F080); } +WRAPPER void CCamera::ProcessMusicFade(void) { EAXJMP(0x46F1E0); } + +int +CCamera::GetScreenFadeStatus(void) +{ + if(m_fFLOATingFade == 0.0f) + return FADE_0; + if(m_fFLOATingFade == 255.0f) + return FADE_2; + return FADE_1; +} + +void +CCamera::SetFadeColour(uint8 r, uint8 g, uint8 b) +{ + m_FadeTargetIsSplashScreen = r == 0 && g == 0 && b == 0; + CDraw::FadeRed = r; + CDraw::FadeGreen = g; + CDraw::FadeBlue = b; +} + +void +CCamera::SetMotionBlur(int r, int g, int b, int a, int type) +{ + m_BlurRed = r; + m_BlurGreen = g; + m_BlurBlue = b; + m_motionBlur = a; + m_BlurType = type; +} + +void +CCamera::SetMotionBlurAlpha(int a) +{ + m_imotionBlurAddAlpha = a; +} + +void +CCamera::RenderMotionBlur(void) +{ + if(m_BlurType == 0) + return; + + CMBlur::MotionBlurRender(m_pRwCamera, + m_BlurRed, m_BlurGreen, m_BlurBlue, + m_motionBlur, m_BlurType, m_imotionBlurAddAlpha); +} + +void +CCamera::ClearPlayerWeaponMode() +{ + PlayerWeaponMode.Mode = 0; + PlayerWeaponMode.MaxZoom = 1; + PlayerWeaponMode.MinZoom = -1; + PlayerWeaponMode.Duration = 0.0f; +} + + +/* + * + * CCam + * + */ + + +// MaxSpeed is a limit of how fast the value is allowed to change. 1.0 = to Target in up to 1ms +// Acceleration is how fast the speed will change to MaxSpeed. 1.0 = to MaxSpeed in 1ms +void +WellBufferMe(float Target, float *CurrentValue, float *CurrentSpeed, float MaxSpeed, float Acceleration, bool IsAngle) +{ + float Delta = Target - *CurrentValue; + + if(IsAngle){ + while(Delta >= PI) Delta -= 2*PI; + while(Delta < -PI) Delta += 2*PI; + } + + float TargetSpeed = Delta * MaxSpeed; + // Add or subtract absolute depending on sign, genius! +// if(TargetSpeed - *CurrentSpeed > 0.0f) +// *CurrentSpeed += Acceleration * fabs(TargetSpeed - *CurrentSpeed) * CTimer::GetTimeStep(); +// else +// *CurrentSpeed -= Acceleration * fabs(TargetSpeed - *CurrentSpeed) * CTimer::GetTimeStep(); + // this is simpler: + *CurrentSpeed += Acceleration * (TargetSpeed - *CurrentSpeed) * CTimer::GetTimeStep(); + + // Clamp speed if we overshot + if(TargetSpeed < 0.0f && *CurrentSpeed < TargetSpeed) + *CurrentSpeed = TargetSpeed; + else if(TargetSpeed > 0.0f && *CurrentSpeed > TargetSpeed) + *CurrentSpeed = TargetSpeed; + + *CurrentValue += *CurrentSpeed * min(10.0f, CTimer::GetTimeStep()); +} + +void +CCam::GetVectorsReadyForRW(void) +{ + CVector right; + Up = CVector(0.0f, 0.0f, 1.0f); + Front.Normalise(); + if(Front.x == 0.0f && Front.y == 0.0f){ + Front.x = 0.0001f; + Front.y = 0.0001f; + } + right = CrossProduct(Front, Up); + right.Normalise(); + Up = CrossProduct(right, Front); +} + +// This code is really bad. wtf R*? +CVector +CCam::DoAverageOnVector(const CVector &vec) +{ + int i; + CVector Average = { 0.0f, 0.0f, 0.0f }; + + if(ResetStatics){ + m_iRunningVectorArrayPos = 0; + m_iRunningVectorCounter = 1; + } + + // TODO: make this work with NUMBER_OF_VECTORS_FOR_AVERAGE != 2 + if(m_iRunningVectorCounter == 3){ + m_arrPreviousVectors[0] = m_arrPreviousVectors[1]; + m_arrPreviousVectors[1] = vec; + }else + m_arrPreviousVectors[m_iRunningVectorArrayPos] = vec; + + for(i = 0; i <= m_iRunningVectorArrayPos; i++) + Average += m_arrPreviousVectors[i]; + Average /= i; + + m_iRunningVectorArrayPos++; + m_iRunningVectorCounter++; + if(m_iRunningVectorArrayPos >= NUMBER_OF_VECTORS_FOR_AVERAGE) + m_iRunningVectorArrayPos = NUMBER_OF_VECTORS_FOR_AVERAGE-1; + if(m_iRunningVectorCounter > NUMBER_OF_VECTORS_FOR_AVERAGE+1) + m_iRunningVectorCounter = NUMBER_OF_VECTORS_FOR_AVERAGE+1; + + return Average; +} + +// Rotate Beta in direction opposite of BetaOffset in 5 deg. steps. +// Return the first angle for which Beta + BetaOffset + Angle has a clear view. +// i.e. BetaOffset is a safe zone so that Beta + Angle is really clear. +// If BetaOffset == 0, try both directions. +float +CCam::GetPedBetaAngleForClearView(const CVector &Target, float Dist, float BetaOffset, bool checkBuildings, bool checkVehicles, bool checkPeds, bool checkObjects, bool checkDummies) +{ + CColPoint point; + CEntity *ent = nil; + CVector ToSource; + float a; + + // This would be so much nicer if we just got the step variable before the loop...R* + + for(a = 0.0f; a <= PI; a += DEGTORAD(5.0f)){ + if(BetaOffset <= 0.0f){ + ToSource = CVector(cos(Beta + BetaOffset + a), sin(Beta + BetaOffset + a), 0.0f)*Dist; + if(!CWorld::ProcessLineOfSight(Target, Target + ToSource, + point, ent, checkBuildings, checkVehicles, checkPeds, + checkObjects, checkDummies, true, true)) + return a; + } + if(BetaOffset >= 0.0f){ + ToSource = CVector(cos(Beta + BetaOffset - a), sin(Beta + BetaOffset - a), 0.0f)*Dist; + if(!CWorld::ProcessLineOfSight(Target, Target + ToSource, + point, ent, checkBuildings, checkVehicles, checkPeds, + checkObjects, checkDummies, true, true)) + return -a; + } + } + return 0.0f; +} + +static float DefaultAcceleration = 0.045f; +static float DefaultMaxStep = 0.15f; + +void +CCam::Process_FollowPed(const CVector &CameraTarget, float TargetOrientation, float, float) +{ + const float GroundDist = 1.85f; + + CVector TargetCoors, Dist, IdealSource; + float Length = 0.0f; + float LateralLeft = 0.0f; + float LateralRight = 0.0f; + float Center = 0.0f; + static bool PreviouslyObscured; + static bool PickedASide; + static float FixedTargetOrientation = 0.0f; + float AngleToGoTo = 0.0f; + float BetaOffsetAvoidBuildings = 0.45f; // ~25 deg + float BetaOffsetGoingBehind = 0.45f; + bool GoingBehind = false; + bool Obscured = false; + bool BuildingCheckObscured = false; + bool HackPlayerOnStoppingTrain = false; + static int TimeIndicatedWantedToGoDown = 0; + static bool StartedCountingForGoDown = false; + float DeltaBeta; + + m_bFixingBeta = false; + bBelowMinDist = false; + bBehindPlayerDesired = false; + + assert(CamTargetEntity->IsPed()); + + // CenterDist should be > LateralDist because we don't have an angle for safety in this case + float CenterDist, LateralDist; + float AngleToGoToSpeed; + if(m_fCloseInPedHeightOffsetSpeed > 0.00001f){ + LateralDist = 0.55f; + CenterDist = 1.25f; + BetaOffsetAvoidBuildings = 0.9f; // ~50 deg + BetaOffsetGoingBehind = 0.9f; + AngleToGoToSpeed = 0.88254666f; + }else{ + LateralDist = 0.8f; + CenterDist = 1.35f; + if(TheCamera.PedZoomIndicator == 1.0f || TheCamera.PedZoomIndicator == 4.0f){ + LateralDist = 1.25f; + CenterDist = 1.6f; + } + AngleToGoToSpeed = 0.43254671f; + } + + FOV = DefaultFOV; + + if(ResetStatics){ + Rotating = false; + m_bCollisionChecksOn = true; + FixedTargetOrientation = 0.0f; + PreviouslyObscured = false; + PickedASide = false; + StartedCountingForGoDown = false; + AngleToGoTo = 0.0f; + // unused LastAngleWithNoPickedASide + } + + + TargetCoors = CameraTarget; + IdealSource = Source; + TargetCoors.z += m_fSyphonModeTargetZOffSet; + + CVector TempTargetCoors; + TempTargetCoors = DoAverageOnVector(TargetCoors); + TargetCoors = TempTargetCoors; + // Add this unknown offset, but later it's removed again + TargetCoors.z += m_fUnknownZOffSet; + + Dist.x = IdealSource.x - TargetCoors.x; + Dist.y = IdealSource.y - TargetCoors.y; + Length = Dist.Magnitude2D(); + + // Cam on a string. With a fixed distance. Zoom in/out is done later. + if(Length != 0.0f) + IdealSource = TargetCoors + CVector(Dist.x, Dist.y, 0.0f)/Length * GroundDist; + else + IdealSource = TargetCoors + CVector(1.0f, 1.0f, 0.0f); + + // TODO: what's transition beta? + if(TheCamera.m_bUseTransitionBeta && ResetStatics){ + CVector VecDistance; + IdealSource.x = TargetCoors.x + GroundDist*cos(m_fTransitionBeta); + IdealSource.y = TargetCoors.y + GroundDist*sin(m_fTransitionBeta); + Beta = CGeneral::GetATanOfXY(IdealSource.x - TargetCoors.x, IdealSource.y - TargetCoors.y); + }else + Beta = CGeneral::GetATanOfXY(Source.x - TargetCoors.x, Source.y - TargetCoors.y); + + if(TheCamera.m_bCamDirectlyBehind){ + m_bCollisionChecksOn = true; + Beta = TargetOrientation + PI; + } + + if(FindPlayerVehicle()) + if(FindPlayerVehicle()->m_vehType == VEHICLE_TYPE_TRAIN) + HackPlayerOnStoppingTrain = true; + + if(TheCamera.m_bCamDirectlyInFront){ + m_bCollisionChecksOn = true; + Beta = TargetOrientation; + } + + while(Beta >= PI) Beta -= 2.0f * PI; + while(Beta < -PI) Beta += 2.0f * PI; + + // BUG? is this ever used? + // The values seem to be roughly m_fPedZoomValueSmooth + 1.85 + if(ResetStatics){ + if(TheCamera.PedZoomIndicator == 1.0) m_fRealGroundDist = 2.090556f; + if(TheCamera.PedZoomIndicator == 2.0) m_fRealGroundDist = 3.34973f; + if(TheCamera.PedZoomIndicator == 3.0) m_fRealGroundDist = 4.704914f; + if(TheCamera.PedZoomIndicator == 4.0) m_fRealGroundDist = 2.090556f; + } + // And what is this? It's only used for collision and rotation it seems + float RealGroundDist; + if(TheCamera.PedZoomIndicator == 1.0) RealGroundDist = 2.090556f; + if(TheCamera.PedZoomIndicator == 2.0) RealGroundDist = 3.34973f; + if(TheCamera.PedZoomIndicator == 3.0) RealGroundDist = 4.704914f; + if(TheCamera.PedZoomIndicator == 4.0) RealGroundDist = 2.090556f; + if(m_fCloseInPedHeightOffset > 0.00001f) + RealGroundDist = 1.7016; + + + bool Shooting = false; + CPed *ped = (CPed*)CamTargetEntity; + if(ped->GetWeapon()->m_eWeaponType != WEAPONTYPE_UNARMED) + if(CPad::GetPad(0)->GetWeapon()) + Shooting = true; + if(ped->GetWeapon()->m_eWeaponType == WEAPONTYPE_DETONATOR || + ped->GetWeapon()->m_eWeaponType == WEAPONTYPE_BASEBALLBAT) + Shooting = false; + + + if(m_fCloseInPedHeightOffset > 0.00001f) + TargetCoors.z -= m_fUnknownZOffSet; + + // Figure out if and where we want to rotate + + if(CPad::GetPad(0)->ForceCameraBehindPlayer() || Shooting){ + + // Center cam behind player + + GoingBehind = true; + m_bCollisionChecksOn = true; + float OriginalBeta = Beta; + // Set Beta behind player + Beta = TargetOrientation + PI; + TargetCoors.z -= 0.1f; + + AngleToGoTo = GetPedBetaAngleForClearView(TargetCoors, CenterDist * RealGroundDist, 0.0f, true, false, false, true, false); + if(AngleToGoTo != 0.0f){ + if(AngleToGoTo < 0.0f) + AngleToGoTo -= AngleToGoToSpeed; + else + AngleToGoTo += AngleToGoToSpeed; + }else{ + float LateralLeft = GetPedBetaAngleForClearView(TargetCoors, LateralDist * RealGroundDist, BetaOffsetGoingBehind, true, false, false, true, false); + float LateralRight = GetPedBetaAngleForClearView(TargetCoors, LateralDist * RealGroundDist, -BetaOffsetGoingBehind, true, false, false, true, false); + if(LateralLeft == 0.0f && LateralRight != 0.0f) + AngleToGoTo += LateralRight; + else if(LateralLeft != 0.0f && LateralRight == 0.0f) + AngleToGoTo += LateralLeft; + } + + TargetCoors.z += 0.1f; + Beta = OriginalBeta; + + if(PickedASide){ + if(AngleToGoTo == 0.0f) + FixedTargetOrientation = TargetOrientation + PI; + Rotating = true; + }else{ + FixedTargetOrientation = TargetOrientation + PI + AngleToGoTo; + Rotating = true; + PickedASide = true; + } + }else{ + + // Rotate cam to avoid clipping into buildings + + TargetCoors.z -= 0.1f; + + Center = GetPedBetaAngleForClearView(TargetCoors, CenterDist * RealGroundDist, 0.0f, true, false, false, true, false); + if(m_bCollisionChecksOn || PreviouslyObscured || Center != 0.0f || m_fCloseInPedHeightOffset > 0.00001f){ + if(Center != 0.0f){ + AngleToGoTo = Center; + }else{ + LateralLeft = GetPedBetaAngleForClearView(TargetCoors, LateralDist * RealGroundDist, BetaOffsetAvoidBuildings, true, false, false, true, false); + LateralRight = GetPedBetaAngleForClearView(TargetCoors, LateralDist * RealGroundDist, -BetaOffsetAvoidBuildings, true, false, false, true, false); + if(LateralLeft == 0.0f && LateralRight != 0.0f){ + AngleToGoTo += LateralRight; + if(m_fCloseInPedHeightOffset > 0.0f) + RwCameraSetNearClipPlane(Scene.camera, 0.7f); + }else if(LateralLeft != 0.0f && LateralRight == 0.0f){ + AngleToGoTo += LateralLeft; + if(m_fCloseInPedHeightOffset > 0.0f) + RwCameraSetNearClipPlane(Scene.camera, 0.7f); + } + } + if(LateralLeft != 0.0f || LateralRight != 0.0f || Center != 0.0f) + BuildingCheckObscured = true; + } + + TargetCoors.z += 0.1f; + } + + if(m_fCloseInPedHeightOffset > 0.00001f) + TargetCoors.z += m_fUnknownZOffSet; + + + // Have to fix to avoid collision + + if(AngleToGoTo != 0.0f){ + Obscured = true; + Rotating = true; + if(CPad::GetPad(0)->ForceCameraBehindPlayer() || Shooting){ + if(!PickedASide) + FixedTargetOrientation = Beta + AngleToGoTo; // can this even happen? + }else + FixedTargetOrientation = Beta + AngleToGoTo; + + // This calculation is only really used to figure out how fast to rotate out of collision + + m_fAmountFractionObscured = 1.0f; + CVector PlayerPos = FindPlayerPed()->GetPosition(); + float RotationDist = (AngleToGoTo == Center ? CenterDist : LateralDist) * RealGroundDist; + // What's going on here? - AngleToGoTo? + CVector RotatedSource = PlayerPos + CVector(cos(Beta - AngleToGoTo), sin(Beta - AngleToGoTo), 0.0f) * RotationDist; + + CColPoint colpoint; + CEntity *entity; + if(CWorld::ProcessLineOfSight(PlayerPos, RotatedSource, colpoint, entity, true, false, false, true, false, false, false)){ + if((PlayerPos - RotatedSource).Magnitude() != 0.0f) + m_fAmountFractionObscured = (PlayerPos - colpoint.point).Magnitude() / (PlayerPos - RotatedSource).Magnitude(); + else + m_fAmountFractionObscured = 1.0f; + } + } + if(m_fAmountFractionObscured < 0.0f) m_fAmountFractionObscured = 0.0f; + if(m_fAmountFractionObscured > 1.0f) m_fAmountFractionObscured = 1.0f; + + + + // Figure out speed values for Beta rotation + + float Acceleration, MaxSpeed; + static float AccelerationMult = 0.35f; + static float MaxSpeedMult = 0.85f; + static float AccelerationMultClose = 0.7f; + static float MaxSpeedMultClose = 1.6f; + float BaseAcceleration = 0.025f; + float BaseMaxSpeed = 0.09f; + if(m_fCloseInPedHeightOffset > 0.00001f){ + if(AngleToGoTo == 0.0f){ + BaseAcceleration = 0.022f; + BaseMaxSpeed = 0.04f; + }else{ + BaseAcceleration = DefaultAcceleration; + BaseMaxSpeed = DefaultMaxStep; + } + } + if(AngleToGoTo == 0.0f){ + Acceleration = BaseAcceleration; + MaxSpeed = BaseMaxSpeed; + }else if(CPad::GetPad(0)->ForceCameraBehindPlayer() && !Shooting){ + Acceleration = 0.051f; + MaxSpeed = 0.18f; + }else if(m_fCloseInPedHeightOffset > 0.00001f){ + Acceleration = BaseAcceleration + AccelerationMultClose*sq(m_fAmountFractionObscured - 1.05f); + MaxSpeed = BaseMaxSpeed + MaxSpeedMultClose*sq(m_fAmountFractionObscured - 1.05f); + }else{ + Acceleration = DefaultAcceleration + AccelerationMult*sq(m_fAmountFractionObscured - 1.05f); + MaxSpeed = DefaultMaxStep + MaxSpeedMult*sq(m_fAmountFractionObscured - 1.05f); + } + static float AccelerationLimit = 0.3f; + static float MaxSpeedLimit = 0.65f; + if(Acceleration > AccelerationLimit) Acceleration = AccelerationLimit; + if(MaxSpeed > MaxSpeedLimit) MaxSpeed = MaxSpeedLimit; + + + int MoveState = ((CPed*)CamTargetEntity)->m_nMoveState; + if(MoveState != PEDMOVE_NONE && MoveState != PEDMOVE_STILL && + !CPad::GetPad(0)->ForceCameraBehindPlayer() && !Obscured && !Shooting){ + Rotating = false; + BetaSpeed = 0.0f; + } + + // Now do the Beta rotation + + float Distance = (IdealSource - TargetCoors).Magnitude2D(); + m_fDistanceBeforeChanges = Distance; + + if(Rotating){ + m_bFixingBeta = true; + + while(FixedTargetOrientation >= PI) FixedTargetOrientation -= 2*PI; + while(FixedTargetOrientation < -PI) FixedTargetOrientation += 2*PI; + + while(Beta >= PI) Beta -= 2*PI; + while(Beta < -PI) Beta += 2*PI; + + +/* + // This is inlined WellBufferMe + DeltaBeta = FixedTargetOrientation - Beta; + while(DeltaBeta >= PI) DeltaBeta -= 2*PI; + while(DeltaBeta < -PI) DeltaBeta += 2*PI; + + float ReqSpeed = DeltaBeta * MaxSpeed; + // Add or subtract absolute depending on sign, genius! + if(ReqSpeed - BetaSpeed > 0.0f) + BetaSpeed += SpeedStep * fabs(ReqSpeed - BetaSpeed) * CTimer::GetTimeStep(); + else + BetaSpeed -= SpeedStep * fabs(ReqSpeed - BetaSpeed) * CTimer::GetTimeStep(); + // this would be simpler: + // BetaSpeed += SpeedStep * (ReqSpeed - BetaSpeed) * CTimer::ms_fTimeStep; + + if(ReqSpeed < 0.0f && BetaSpeed < ReqSpeed) + BetaSpeed = ReqSpeed; + else if(ReqSpeed > 0.0f && BetaSpeed > ReqSpeed) + BetaSpeed = ReqSpeed; + + Beta += BetaSpeed * min(10.0f, CTimer::GetTimeStep()); +*/ + WellBufferMe(FixedTargetOrientation, &Beta, &BetaSpeed, MaxSpeed, Acceleration, true); + + if(ResetStatics){ + Beta = FixedTargetOrientation; + BetaSpeed = 0.0f; + } + + Source.x = TargetCoors.x + Distance * cos(Beta); + Source.y = TargetCoors.y + Distance * sin(Beta); + + // Check if we can stop rotating + DeltaBeta = FixedTargetOrientation - Beta; + while(DeltaBeta >= PI) DeltaBeta -= 2*PI; + while(DeltaBeta < -PI) DeltaBeta += 2*PI; + if(fabs(DeltaBeta) < DEGTORAD(1.0f) && !bBehindPlayerDesired){ + // Stop rotation + PickedASide = false; + Rotating = false; + BetaSpeed = 0.0f; + } + } + + + if(TheCamera.m_bCamDirectlyBehind || TheCamera.m_bCamDirectlyInFront || + HackPlayerOnStoppingTrain || Rotating){ + if(TheCamera.m_bCamDirectlyBehind){ + Beta = TargetOrientation + PI; + Source.x = TargetCoors.x + Distance * cos(Beta); + Source.y = TargetCoors.y + Distance * sin(Beta); + } + if(TheCamera.m_bCamDirectlyInFront){ + Beta = TargetOrientation; + Source.x = TargetCoors.x + Distance * cos(Beta); + Source.y = TargetCoors.y + Distance * sin(Beta); + } + if(HackPlayerOnStoppingTrain){ + Beta = TargetOrientation + PI; + Source.x = TargetCoors.x + Distance * cos(Beta); + Source.y = TargetCoors.y + Distance * sin(Beta); + m_fDimensionOfHighestNearCar = 0.0f; + m_fCamBufferedHeight = 0.0f; + m_fCamBufferedHeightSpeed = 0.0f; + } + // Beta and Source already set in the rotation code + }else{ + Source = IdealSource; + BetaSpeed = 0.0f; + } + + // Subtract m_fUnknownZOffSet from both? + TargetCoors.z -= m_fUnknownZOffSet; + Source.z = IdealSource.z - m_fUnknownZOffSet; + + // Apply zoom now + // m_fPedZoomValueSmooth makes the cam go down the further out it is + // 0.25 -> 0.20 for nearest dist + // 1.50 -> -0.05 for mid dist + // 2.90 -> -0.33 for far dist + Source.z += (2.5f - TheCamera.m_fPedZoomValueSmooth)*0.2f - 0.25f; + // Zoom out camera + Front = TargetCoors - Source; + Front.Normalise(); + Source -= Front * TheCamera.m_fPedZoomValueSmooth; + // and then we move up again + // -0.375 + // 0.25 + // 0.95 + Source.z += (TheCamera.m_fPedZoomValueSmooth - 1.0f)*0.5f + m_fCloseInPedHeightOffset; + + + // Process height offset to avoid peds and cars + + float TargetZOffSet = m_fUnknownZOffSet + m_fDimensionOfHighestNearCar; + TargetZOffSet = max(TargetZOffSet, m_fPedBetweenCameraHeightOffset); + float TargetHeight = CameraTarget.z + TargetZOffSet - Source.z; + + if(TargetHeight > m_fCamBufferedHeight){ + // Have to go up + if(TargetZOffSet == m_fPedBetweenCameraHeightOffset && TargetZOffSet > m_fCamBufferedHeight) + WellBufferMe(TargetHeight, &m_fCamBufferedHeight, &m_fCamBufferedHeightSpeed, 0.2f, 0.04f, false); + else if(TargetZOffSet == m_fUnknownZOffSet && TargetZOffSet > m_fCamBufferedHeight){ + // TODO: figure this out + bool foo = false; + switch(((CPhysical*)CamTargetEntity)->m_nLastCollType) + case 2: case 3: case 5: + case 11: case 23: case 26: + foo = true; + if(foo) + WellBufferMe(TargetHeight, &m_fCamBufferedHeight, &m_fCamBufferedHeightSpeed, 0.4f, 0.05f, false); + else + WellBufferMe(TargetHeight, &m_fCamBufferedHeight, &m_fCamBufferedHeightSpeed, 0.2f, 0.025f, false); + }else + WellBufferMe(TargetHeight, &m_fCamBufferedHeight, &m_fCamBufferedHeightSpeed, 0.2f, 0.025f, false); + StartedCountingForGoDown = false; + }else{ + // Have to go down + if(StartedCountingForGoDown){ + if(CTimer::GetTimeInMilliseconds() != TimeIndicatedWantedToGoDown){ + if(TargetHeight > 0.0f) + WellBufferMe(TargetHeight, &m_fCamBufferedHeight, &m_fCamBufferedHeightSpeed, 0.2f, 0.01f, false); + else + WellBufferMe(0.0f, &m_fCamBufferedHeight, &m_fCamBufferedHeightSpeed, 0.2f, 0.01f, false); + } + }else{ + StartedCountingForGoDown = true; + TimeIndicatedWantedToGoDown = CTimer::GetTimeInMilliseconds(); + } + } + + Source.z += m_fCamBufferedHeight; + + + // Clip Source if necessary + + bool ClipSource = m_fCloseInPedHeightOffset > 0.00001f && m_fCamBufferedHeight > 0.001f; + if(GoingBehind || ResetStatics || ClipSource){ + CColPoint colpoint; + CEntity *entity; + if(CWorld::ProcessLineOfSight(TargetCoors, Source, colpoint, entity, true, false, false, true, false, true, true)){ + Source = colpoint.point; + if((TargetCoors - Source).Magnitude2D() < 1.0f) + RwCameraSetNearClipPlane(Scene.camera, 0.05f); + } + } + + TargetCoors.z += min(1.0f, m_fCamBufferedHeight/2.0f); + m_cvecTargetCoorsForFudgeInter = TargetCoors; + + Front = TargetCoors - Source; + m_fRealGroundDist = Front.Magnitude2D(); + m_fMinDistAwayFromCamWhenInterPolating = m_fRealGroundDist; + Front.Normalise(); + GetVectorsReadyForRW(); + TheCamera.m_bCamDirectlyBehind = false; + TheCamera.m_bCamDirectlyInFront = false; + PreviouslyObscured = BuildingCheckObscured; + + ResetStatics = false; +} + +void +CCam::Process_BehindCar(const CVector &CameraTarget, float TargetOrientation, float, float) +{ + FOV = DefaultFOV; + + if(!CamTargetEntity->IsVehicle()) + return; + + CVector TargetCoors = CameraTarget; + TargetCoors.z -= 0.2f; + CA_MAX_DISTANCE = 9.95f; + CA_MIN_DISTANCE = 8.5f; + + CVector Dist = Source - TargetCoors; + float Length = Dist.Magnitude2D(); + m_fDistanceBeforeChanges = Length; + if(Length < 0.002f) + Length = 0.002f; + Beta = CGeneral::GetATanOfXY(TargetCoors.x - Source.x, TargetCoors.y - Source.y); + if(Length > CA_MAX_DISTANCE){ + Source.x = TargetCoors.x + Dist.x/Length * CA_MAX_DISTANCE; + Source.y = TargetCoors.y + Dist.y/Length * CA_MAX_DISTANCE; + }else if(Length < CA_MIN_DISTANCE){ + Source.x = TargetCoors.x + Dist.x/Length * CA_MIN_DISTANCE; + Source.y = TargetCoors.y + Dist.y/Length * CA_MIN_DISTANCE; + } + TargetCoors.z += 0.8f; + + WorkOutCamHeightWeeCar(TargetCoors, TargetOrientation); + RotCamIfInFrontCar(TargetCoors, TargetOrientation); + FixCamIfObscured(TargetCoors, 1.2f, TargetOrientation); + + Front = TargetCoors - Source; + m_cvecTargetCoorsForFudgeInter = TargetCoors; + ResetStatics = false; + GetVectorsReadyForRW(); +} + +void +CCam::WorkOutCamHeightWeeCar(CVector &TargetCoors, float TargetOrientation) +{ + CColPoint colpoint; + CEntity *ent; + float TargetZOffSet = 0.0f; + static bool PreviouslyFailedRoadHeightCheck = false; + static float RoadHeightFix = 0.0f; + static float RoadHeightFixSpeed = 0.0f; + + if(ResetStatics){ + RoadHeightFix = 0.0f; + RoadHeightFixSpeed = 0.0f; + Alpha = DEGTORAD(25.0f); + AlphaSpeed = 0.0f; + } + float AlphaTarget = DEGTORAD(25.0f); + if(CCullZones::CamNoRain() || CCullZones::PlayerNoRain()) + AlphaTarget = DEGTORAD(14.0f); + WellBufferMe(AlphaTarget, &Alpha, &AlphaSpeed, 0.1f, 0.05f, true); + Source.z = TargetCoors.z + CA_MAX_DISTANCE*sin(Alpha); + + if(FindPlayerVehicle()){ + m_fUnknownZOffSet = 0.0f; + bool FoundRoad = false; + bool FoundRoof = false; + float RoadZ = 0.0f; + float RoofZ = 0.0f; + + if(CWorld::ProcessVerticalLine(Source, -1000.0f, colpoint, ent, true, false, false, false, false, false, nil) && + ent->IsBuilding()){ + FoundRoad = true; + RoadZ = colpoint.point.z; + } + + if(FoundRoad){ + if(Source.z - RoadZ < 0.9f){ + PreviouslyFailedRoadHeightCheck = true; + TargetZOffSet = RoadZ + 0.9f - Source.z; + }else{ + if(m_bCollisionChecksOn) + PreviouslyFailedRoadHeightCheck = false; + else + TargetZOffSet = 0.0f; + } + }else{ + if(CWorld::ProcessVerticalLine(Source, 1000.0f, colpoint, ent, true, false, false, false, false, false, nil) && + ent->IsBuilding()){ + FoundRoof = true; + RoofZ = colpoint.point.z; + } + if(FoundRoof){ + if(Source.z - RoofZ < 0.9f){ + PreviouslyFailedRoadHeightCheck = true; + TargetZOffSet = RoofZ + 0.9f - Source.z; + }else{ + if(m_bCollisionChecksOn) + PreviouslyFailedRoadHeightCheck = false; + else + TargetZOffSet = 0.0f; + } + } + } + } + + if(TargetZOffSet > RoadHeightFix) + RoadHeightFix = TargetZOffSet; + else + WellBufferMe(TargetZOffSet, &RoadHeightFix, &RoadHeightFixSpeed, 0.27f, 0.1f, false); + + if((colpoint.surfaceB == SURFACE_DEFAULT || colpoint.surfaceB >= SURFACE_METAL6) && + colpoint.surfaceB != SURFACE_STEEL && colpoint.surfaceB != SURFACE_STONE && + RoadHeightFix > 1.4f) + RoadHeightFix = 1.4f; + + Source.z += RoadHeightFix; +} + +void +CCam::WorkOutCamHeight(const CVector &TargetCoors, float TargetOrientation, float TargetHeight) +{ + static float LastTargetAlphaWithCollisionOn = 0.0f; + static float LastTopAlphaSpeed = 0.0f; + static float LastAlphaSpeedStep = 0.0f; + static bool PreviousNearCheckNearClipSmall = false; + + bool CamClear = true; + float ModeAlpha = 0.0f; + + if(ResetStatics){ + LastTargetAlphaWithCollisionOn = 0.0f; + LastTopAlphaSpeed = 0.0f; + LastAlphaSpeedStep = 0.0f; + PreviousNearCheckNearClipSmall = false; + } + + float TopAlphaSpeed = 0.15f; + float AlphaSpeedStep = 0.015f; + + float zoomvalue = TheCamera.CarZoomValueSmooth; + if(zoomvalue < 0.1f) + zoomvalue = 0.1f; + if(TheCamera.CarZoomIndicator == 1.0f) + ModeAlpha = CGeneral::GetATanOfXY(23.0f, zoomvalue); // near + else if(TheCamera.CarZoomIndicator == 2.0f) + ModeAlpha = CGeneral::GetATanOfXY(10.8f, zoomvalue); // mid + else if(TheCamera.CarZoomIndicator == 3.0f) + ModeAlpha = CGeneral::GetATanOfXY(7.0f, zoomvalue); // far + + + float Length = (Source - TargetCoors).Magnitude2D(); + if(m_bCollisionChecksOn){ // there's another variable (on PC) but it's uninitialised + CVector Forward = CamTargetEntity->GetForward(); + float CarAlpha = CGeneral::GetATanOfXY(Forward.Magnitude2D(), Forward.z); + // this shouldn't be necessary.... + while(CarAlpha >= PI) CarAlpha -= 2*PI; + while(CarAlpha < -PI) CarAlpha += 2*PI; + + while(Beta >= PI) Beta -= 2*PI; + while(Beta < -PI) Beta += 2*PI; + + float deltaBeta = Beta - TargetOrientation; + while(deltaBeta >= PI) deltaBeta -= 2*PI; + while(deltaBeta < -PI) deltaBeta += 2*PI; + + float BehindCarNess = cos(deltaBeta); // 1 if behind car, 0 if side, -1 if in front + CarAlpha = -CarAlpha * BehindCarNess; + if(CarAlpha < -0.01f) + CarAlpha = -0.01f; + + float DeltaAlpha = CarAlpha - Alpha; + while(DeltaAlpha >= PI) DeltaAlpha -= 2*PI; + while(DeltaAlpha < -PI) DeltaAlpha += 2*PI; + // What's this?? wouldn't it make more sense to clamp? + float AngleLimit = DEGTORAD(1.8f); + if(DeltaAlpha < -AngleLimit) + DeltaAlpha += AngleLimit; + else if(DeltaAlpha > AngleLimit) + DeltaAlpha -= AngleLimit; + else + DeltaAlpha = 0.0f; + + // Now the collision + + float TargetAlpha = 0.0f; + bool FoundRoofCenter = false; + bool FoundRoofSide1 = false; + bool FoundRoofSide2 = false; + bool FoundCamRoof = false; + bool FoundCamGround = false; + float CamRoof = 0.0f; + float CarBottom = TargetCoors.z - TargetHeight/2.0f; + + // Check car center + float CarRoof = CWorld::FindRoofZFor3DCoord(TargetCoors.x, TargetCoors.y, CarBottom, &FoundRoofCenter); + + // Check sides of the car + Forward = CamTargetEntity->GetForward(); // we actually still have that... + Forward.Normalise(); // shouldn't be necessary + float CarSideAngle = CGeneral::GetATanOfXY(Forward.x, Forward.y) + PI/2.0f; + float SideX = 2.5f * cos(CarSideAngle); + float SideY = 2.5f * sin(CarSideAngle); + CWorld::FindRoofZFor3DCoord(TargetCoors.x + SideX, TargetCoors.y + SideY, CarBottom, &FoundRoofSide1); + CWorld::FindRoofZFor3DCoord(TargetCoors.x - SideX, TargetCoors.y - SideY, CarBottom, &FoundRoofSide2); + + // Now find out at what height we'd like to place the camera + float CamGround = CWorld::FindGroundZFor3DCoord(Source.x, Source.y, TargetCoors.z + Length*sin(Alpha + ModeAlpha) + m_fCloseInCarHeightOffset, &FoundCamGround); + float CamTargetZ = 0.0f; + if(FoundCamGround){ + // This is the normal case + CamRoof = CWorld::FindRoofZFor3DCoord(Source.x, Source.y, CamGround + TargetHeight, &FoundCamRoof); + CamTargetZ = CamGround + TargetHeight*1.5f + 0.1f; + }else{ + FoundCamRoof = false; + CamTargetZ = TargetCoors.z; + } + + if(FoundRoofCenter && !FoundCamRoof && (FoundRoofSide1 || FoundRoofSide2)){ + // Car is under something but camera isn't + // This seems weird... + TargetAlpha = CGeneral::GetATanOfXY(CA_MAX_DISTANCE, CarRoof - CamTargetZ - 1.5f); + CamClear = false; + } + if(FoundCamRoof){ + // Camera is under something + float roof = FoundRoofCenter ? min(CamRoof, CarRoof) : CamRoof; + // Same weirdness again? + TargetAlpha = CGeneral::GetATanOfXY(CA_MAX_DISTANCE, roof - CamTargetZ - 1.5f); + CamClear = false; + } + while(TargetAlpha >= PI) TargetAlpha -= 2*PI; + while(TargetAlpha < -PI) TargetAlpha += 2*PI; + if(TargetAlpha < DEGTORAD(-7.0f)) + TargetAlpha = DEGTORAD(-7.0f); + + // huh? + if(TargetAlpha > ModeAlpha) + CamClear = true; + // Camera is contrained by collision in some way + PreviousNearCheckNearClipSmall = false; + if(!CamClear){ + PreviousNearCheckNearClipSmall = true; + RwCameraSetNearClipPlane(Scene.camera, 0.9f); + + DeltaAlpha = TargetAlpha - (Alpha + ModeAlpha); + while(DeltaAlpha >= PI) DeltaAlpha -= 2*PI; + while(DeltaAlpha < -PI) DeltaAlpha += 2*PI; + + TopAlphaSpeed = 0.3f; + AlphaSpeedStep = 0.03f; + } + + // Now do things if CamClear...but what is that anyway? + float CamZ = TargetCoors.z + Length*sin(Alpha + DeltaAlpha + ModeAlpha) + m_fCloseInCarHeightOffset; + bool FoundGround, FoundRoof; + float CamGround2 = CWorld::FindGroundZFor3DCoord(Source.x, Source.y, CamZ, &FoundGround); + if(FoundGround){ + if(CamClear) + if(CamZ - CamGround2 < 1.5f){ + PreviousNearCheckNearClipSmall = true; + RwCameraSetNearClipPlane(Scene.camera, 0.9f); + + float a; + if(Length == 0.0f || CamGround2 + 1.5f - TargetCoors.z == 0.0f) + a = Alpha; + else + a = CGeneral::GetATanOfXY(Length, CamGround2 + 1.5f - TargetCoors.z); + while(a > PI) a -= 2*PI; + while(a < -PI) a += 2*PI; + DeltaAlpha = a - Alpha; + } + }else{ + if(CamClear){ + float CamRoof2 = CWorld::FindRoofZFor3DCoord(Source.x, Source.y, CamZ, &FoundRoof); + if(FoundRoof && CamZ - CamRoof2 < 1.5f){ + PreviousNearCheckNearClipSmall = true; + RwCameraSetNearClipPlane(Scene.camera, 0.9f); + + if(CamRoof2 > TargetCoors.z + 3.5f) + CamRoof2 = TargetCoors.z + 3.5f; + + float a; + if(Length == 0.0f || CamRoof2 + 1.5f - TargetCoors.z == 0.0f) + a = Alpha; + else + a = CGeneral::GetATanOfXY(Length, CamRoof2 + 1.5f - TargetCoors.z); + while(a > PI) a -= 2*PI; + while(a < -PI) a += 2*PI; + DeltaAlpha = a - Alpha; + } + } + } + + LastTargetAlphaWithCollisionOn = DeltaAlpha + Alpha; + LastTopAlphaSpeed = TopAlphaSpeed; + LastAlphaSpeedStep = AlphaSpeedStep; + }else{ + if(PreviousNearCheckNearClipSmall) + RwCameraSetNearClipPlane(Scene.camera, 0.9f); + } + + WellBufferMe(LastTargetAlphaWithCollisionOn, &Alpha, &AlphaSpeed, LastTopAlphaSpeed, LastAlphaSpeedStep, true); + + Source.z = TargetCoors.z + sin(Alpha + ModeAlpha)*Length + m_fCloseInCarHeightOffset; +} + +// Rotate cam behind the car when the car is moving forward +bool +CCam::RotCamIfInFrontCar(CVector &TargetCoors, float TargetOrientation) +{ + bool MovingForward = false; + CPhysical *phys = (CPhysical*)CamTargetEntity; + + float ForwardSpeed = DotProduct(phys->GetForward(), phys->GetSpeed(CVector(0.0f, 0.0f, 0.0f))); + if(ForwardSpeed > 0.02f) + MovingForward = true; + + float Dist = (Source - TargetCoors).Magnitude2D(); + + float DeltaBeta = TargetOrientation - Beta; + while(DeltaBeta >= PI) DeltaBeta -= 2*PI; + while(DeltaBeta < -PI) DeltaBeta += 2*PI; + + if(fabs(DeltaBeta) > DEGTORAD(20.0f) && MovingForward && TheCamera.m_uiTransitionState == 0) + m_bFixingBeta = true; + + CPad *pad = CPad::GetPad(0); + if(!(pad->GetLookBehindForCar() || pad->GetLookBehindForPed() || pad->GetLookLeft() || pad->GetLookRight())) + if(DirectionWasLooking != LOOKING_FORWARD) + TheCamera.m_bCamDirectlyBehind = true; + + if(!m_bFixingBeta && !TheCamera.m_bUseTransitionBeta && !TheCamera.m_bCamDirectlyBehind && !TheCamera.m_bCamDirectlyInFront) + return false; + + bool SetBeta = false; + if(TheCamera.m_bCamDirectlyBehind || TheCamera.m_bCamDirectlyInFront || TheCamera.m_bUseTransitionBeta) + if(&TheCamera.Cams[TheCamera.ActiveCam] == this) + SetBeta = true; + + if(m_bFixingBeta || SetBeta){ + WellBufferMe(TargetOrientation, &Beta, &BetaSpeed, 0.15f, 0.007f, true); + + if(TheCamera.m_bCamDirectlyBehind && &TheCamera.Cams[TheCamera.ActiveCam] == this) + Beta = TargetOrientation; + if(TheCamera.m_bCamDirectlyInFront && &TheCamera.Cams[TheCamera.ActiveCam] == this) + Beta = TargetOrientation + PI; + if(TheCamera.m_bUseTransitionBeta && &TheCamera.Cams[TheCamera.ActiveCam] == this) + Beta = m_fTransitionBeta; + + Source.x = TargetCoors.x - cos(Beta)*Dist; + Source.y = TargetCoors.y - sin(Beta)*Dist; + + // Check if we're done + DeltaBeta = TargetOrientation - Beta; + while(DeltaBeta >= PI) DeltaBeta -= 2*PI; + while(DeltaBeta < -PI) DeltaBeta += 2*PI; + if(fabs(DeltaBeta) < DEGTORAD(2.0f)) + m_bFixingBeta = false; + } + TheCamera.m_bCamDirectlyBehind = false; + TheCamera.m_bCamDirectlyInFront = false; + return true; +} + +// Move the cam to avoid clipping through buildings +bool +CCam::FixCamIfObscured(CVector &TargetCoors, float TargetHeight, float TargetOrientation) +{ + CVector Target = TargetCoors; + bool UseEntityPos = false; + CVector EntityPos; + static CColPoint colPoint; + static bool LastObscured = false; + + if(Mode == MODE_BEHINDCAR) + Target.z += TargetHeight/2.0f; + if(Mode == MODE_CAMONASTRING){ + UseEntityPos = true; + Target.z += TargetHeight/2.0f; + EntityPos = CamTargetEntity->GetPosition(); + } + + CVector TempSource = Source; + + bool Obscured1 = false; + bool Obscured2 = false; + bool Fix1 = false; + float Dist1 = 0.0f; + float Dist2 = 0.0f; + CEntity *ent; + if(m_bCollisionChecksOn || LastObscured){ + Obscured1 = CWorld::ProcessLineOfSight(Target, TempSource, colPoint, ent, true, false, false, true, false, true, true); + if(Obscured1){ + Dist1 = (Target - colPoint.point).Magnitude2D(); + Fix1 = true; + if(UseEntityPos) + Obscured1 = CWorld::ProcessLineOfSight(EntityPos, TempSource, colPoint, ent, true, false, false, true, false, true, true); + }else if(m_bFixingBeta){ + float d = (TempSource - Target).Magnitude(); + TempSource.x = Target.x - d*cos(TargetOrientation); + TempSource.y = Target.y - d*sin(TargetOrientation); + + // same check again + Obscured2 = CWorld::ProcessLineOfSight(Target, TempSource, colPoint, ent, true, false, false, true, false, true, true); + if(Obscured2){ + Dist2 = (Target - colPoint.point).Magnitude2D(); + if(UseEntityPos) + Obscured2 = CWorld::ProcessLineOfSight(EntityPos, TempSource, colPoint, ent, true, false, false, true, false, true, true); + } + } + LastObscured = Obscured1 || Obscured2; + } + + // nothing to do + if(!LastObscured) + return false; + + if(Fix1){ + Source.x = Target.x - cos(Beta)*Dist1; + Source.y = Target.y - sin(Beta)*Dist1; + if(Mode == MODE_BEHINDCAR) + Source = colPoint.point; + }else{ + WellBufferMe(Dist2, &m_fDistanceBeforeChanges, &DistanceSpeed, 0.2f, 0.025f, false); + Source.x = Target.x - cos(Beta)*m_fDistanceBeforeChanges; + Source.y = Target.y - sin(Beta)*m_fDistanceBeforeChanges; + } + + if(ResetStatics){ + m_fDistanceBeforeChanges = (Source - Target).Magnitude2D(); + DistanceSpeed = 0.0f; + Source.x = colPoint.point.x; + Source.y = colPoint.point.y; + } + return true; +} + +void +CCam::Process_Cam_On_A_String(const CVector &CameraTarget, float TargetOrientation, float, float) +{ + if(!CamTargetEntity->IsVehicle()) + return; + + FOV = DefaultFOV; + + if(ResetStatics){ + AlphaSpeed = 0.0f; + if(TheCamera.m_bIdleOn) + TheCamera.m_uiTimeWeEnteredIdle = CTimer::GetTimeInMilliseconds(); + } + + CBaseModelInfo *mi = CModelInfo::GetModelInfo(CamTargetEntity->GetModelIndex()); + CVector Dimensions = mi->GetColModel()->boundingBox.max - mi->GetColModel()->boundingBox.min; + float BaseDist = Dimensions.Magnitude2D(); + + CVector TargetCoors = CameraTarget; + TargetCoors.z += Dimensions.z - 0.1f; // final + Beta = CGeneral::GetATanOfXY(TargetCoors.x - Source.x, TargetCoors.y - Source.y); + while(Alpha >= PI) Alpha -= 2*PI; + while(Alpha < -PI) Alpha += 2*PI; + while(Beta >= PI) Beta -= 2*PI; + while(Beta < -PI) Beta += 2*PI; + + m_fDistanceBeforeChanges = (Source - TargetCoors).Magnitude2D(); + + Cam_On_A_String_Unobscured(TargetCoors, BaseDist); + WorkOutCamHeight(TargetCoors, TargetOrientation, Dimensions.z); + RotCamIfInFrontCar(TargetCoors, TargetOrientation); + FixCamIfObscured(TargetCoors, Dimensions.z, TargetOrientation); + FixCamWhenObscuredByVehicle(TargetCoors); + + m_cvecTargetCoorsForFudgeInter = TargetCoors; + Front = TargetCoors - Source; + Front.Normalise(); + GetVectorsReadyForRW(); + ResetStatics = false; +} + +// Basic Cam on a string algorithm +void +CCam::Cam_On_A_String_Unobscured(const CVector &TargetCoors, float BaseDist) +{ + CA_MAX_DISTANCE = BaseDist + 0.1f + TheCamera.CarZoomValueSmooth; + CA_MIN_DISTANCE = min(BaseDist*0.6f, 3.5f); + + CVector Dist = Source - TargetCoors; + + if(ResetStatics) + Source = TargetCoors + Dist*(CA_MAX_DISTANCE + 1.0f); + + float Length = Dist.Magnitude2D(); + if(Length < 0.001f){ + // This probably shouldn't happen. reset view + CVector Forward = CamTargetEntity->GetForward(); + Forward.z = 0.0f; + Forward.Normalise(); + Source = TargetCoors - Forward*CA_MAX_DISTANCE; + Dist = Source - TargetCoors; + Length = Dist.Magnitude2D(); + } + + if(Length > CA_MAX_DISTANCE){ + Source.x = TargetCoors.x + Dist.x/Length * CA_MAX_DISTANCE; + Source.y = TargetCoors.y + Dist.y/Length * CA_MAX_DISTANCE; + }else if(Length < CA_MIN_DISTANCE){ + Source.x = TargetCoors.x + Dist.x/Length * CA_MIN_DISTANCE; + Source.y = TargetCoors.y + Dist.y/Length * CA_MIN_DISTANCE; + } +} + +void +CCam::FixCamWhenObscuredByVehicle(const CVector &TargetCoors) +{ + // BUG? is this never reset + static float HeightFixerCarsObscuring = 0.0f; + static float HeightFixerCarsObscuringSpeed = 0.0f; + CColPoint colPoint; + CEntity *entity; + + float HeightTarget = 0.0f; + if(CWorld::ProcessLineOfSight(TargetCoors, Source, colPoint, entity, false, true, false, false, false, false, false)){ + CBaseModelInfo *mi = CModelInfo::GetModelInfo(entity->GetModelIndex()); + HeightTarget = mi->GetColModel()->boundingBox.max.z + 1.0f + TargetCoors.z - Source.z; + if(HeightTarget < 0.0f) + HeightTarget = 0.0f; + } + WellBufferMe(HeightTarget, &HeightFixerCarsObscuring, &HeightFixerCarsObscuringSpeed, 0.2f, 0.025f, false); + Source.z += HeightFixerCarsObscuring; +} + +bool +CCam::Using3rdPersonMouseCam() +{ + return CCamera::m_bUseMouse3rdPerson && + (Mode == MODE_FOLLOWPED || + TheCamera.m_bPlayerIsInGarage && + FindPlayerPed() && FindPlayerPed()->m_nPedState != PED_DRIVING && + Mode != MODE_TOPDOWN1 && this->CamTargetEntity == FindPlayerPed()); +} + +bool +CCam::GetWeaponFirstPersonOn() +{ + CEntity *target = this->CamTargetEntity; + if (target && target->IsPed()) + return ((CPed*)target)->GetWeapon()->m_bAddRotOffset; + + return false; +} + +STARTPATCHES + InjectHook(0x42C760, &CCamera::IsSphereVisible, PATCH_JUMP); + InjectHook(0x46FD00, &CCamera::SetFadeColour, PATCH_JUMP); + + InjectHook(0x46FD40, &CCamera::SetMotionBlur, PATCH_JUMP); + InjectHook(0x46FD80, &CCamera::SetMotionBlurAlpha, PATCH_JUMP); + InjectHook(0x46F940, &CCamera::RenderMotionBlur, PATCH_JUMP); + + InjectHook(0x456F40, WellBufferMe, PATCH_JUMP); + InjectHook(0x4582F0, &CCam::GetVectorsReadyForRW, PATCH_JUMP); + InjectHook(0x457710, &CCam::DoAverageOnVector, PATCH_JUMP); + InjectHook(0x458060, &CCam::GetPedBetaAngleForClearView, PATCH_JUMP); + InjectHook(0x457210, &CCam::Cam_On_A_String_Unobscured, PATCH_JUMP); + InjectHook(0x457A80, &CCam::FixCamWhenObscuredByVehicle, PATCH_JUMP); + InjectHook(0x457B90, &CCam::FixCamIfObscured, PATCH_JUMP); + InjectHook(0x465DA0, &CCam::RotCamIfInFrontCar, PATCH_JUMP); + InjectHook(0x4662D0, &CCam::WorkOutCamHeightWeeCar, PATCH_JUMP); + InjectHook(0x466650, &CCam::WorkOutCamHeight, PATCH_JUMP); + + InjectHook(0x45E3A0, &CCam::Process_FollowPed, PATCH_JUMP); + InjectHook(0x45BE60, &CCam::Process_BehindCar, PATCH_JUMP); + InjectHook(0x45C090, &CCam::Process_Cam_On_A_String, PATCH_JUMP); + + InjectHook(0x473250, &CCamera::dtor, PATCH_JUMP); +ENDPATCHES |