void CBasePlayer::CalcObserverView( Vector& eyeOrigin, QAngle& eyeAngles, float& fov )
{
#if defined( CLIENT_DLL )
switch ( GetObserverMode() )
{
case OBS_MODE_DEATHCAM : CalcDeathCamView( eyeOrigin, eyeAngles, fov );
break;
case OBS_MODE_ROAMING : // just copy current position without view offset
case OBS_MODE_FIXED : CalcRoamingView( eyeOrigin, eyeAngles, fov );
break;
case OBS_MODE_IN_EYE : CalcInEyeCamView( eyeOrigin, eyeAngles, fov );
break;
case OBS_MODE_CHASE : CalcChaseCamView( eyeOrigin, eyeAngles, fov );
break;
case OBS_MODE_FREEZECAM : CalcFreezeCamView( eyeOrigin, eyeAngles, fov );
break;
}
#else
// on server just copy target postions, final view positions will be calculated on client
VectorCopy( EyePosition(), eyeOrigin );
VectorCopy( EyeAngles(), eyeAngles );
#endif
}
void C_Camera::CalcView(Vector& eyeOrigin, QAngle& eyeAngles, float& fov)
{
if (GetCamMode() == CAM_MODE_TVCAM)
{
CalcTVCamView(eyeOrigin, eyeAngles, fov);
ResetAutoTransparentProps();
}
else if (GetCamMode() == CAM_MODE_FREE_CHASE || GetCamMode() == CAM_MODE_LOCKED_CHASE)
{
CalcChaseCamView(eyeOrigin, eyeAngles, fov);
CheckAutoTransparentProps(eyeOrigin, eyeAngles);
}
else
{
CalcRoamingView(eyeOrigin, eyeAngles, fov);
CheckAutoTransparentProps(eyeOrigin, eyeAngles);
}
// Save the last position and angle so when switching to roaming view it starts at the current position
m_vCamOrigin = eyeOrigin;
m_aCamAngle = eyeAngles;
}
void C_HLTVCamera::CalcView(Vector& origin, QAngle& angles, float& fov)
{
if ( m_bEntityPacketReceived )
{
// try to fixup movment pareents
FixupMovmentParents();
m_bEntityPacketReceived = false;
}
if ( m_iCameraMan > 0 )
{
C_BasePlayer *pCameraMan = UTIL_PlayerByIndex( m_iCameraMan );
if ( pCameraMan )
{
float zNear,zFar;
pCameraMan->CalcView( origin, angles, zNear, zFar, fov );
pCameraMan->CalcViewModelView( origin, angles );
return;
}
}
switch ( m_nCameraMode )
{
case OBS_MODE_ROAMING : CalcRoamingView( origin, angles, fov );
break;
case OBS_MODE_FIXED : CalcFixedView( origin, angles, fov );
break;
case OBS_MODE_IN_EYE : CalcInEyeCamView( origin, angles, fov );
break;
case OBS_MODE_CHASE : CalcChaseCamView( origin, angles, fov );
break;
}
}
void C_Camera::CalcChaseCamView(Vector& eyeOrigin, QAngle& eyeAngles, float& fov)
{
C_SDKPlayer *pLocal = C_SDKPlayer::GetLocalSDKPlayer();
C_BaseEntity *pTarget = NULL;
if ((pLocal->m_nButtons & IN_ZOOM)
&& !pLocal->IsObserver()
&& g_PR->GetTeamPosType(GetLocalPlayerIndex()) == POS_GK
&& GetMatchBall()
&& Sign(GetMatchBall()->GetLocalOrigin().y - SDKGameRules()->m_vKickOff.GetY()) == pLocal->GetTeam()->m_nForward)
{
CalcHawkEyeView(eyeOrigin, eyeAngles, fov);
return;
}
if (pLocal->IsObserver())
pTarget = GetTarget();
else
pTarget = pLocal;
if (!pTarget || !pTarget->GetBaseAnimating() && !pTarget->GetModel())
{
CalcRoamingView( eyeOrigin, eyeAngles, fov );
return;
}
eyeOrigin = pTarget->EyePosition();
eyeAngles = pTarget->EyeAngles();
const QAngle camAngles = ::input->GetCameraAngles();
Vector &camOffset = ::input->GetCameraOffset();
float dist = cl_cam_firstperson.GetBool() ? -10 : cl_cam_dist.GetFloat();
float height = cl_cam_firstperson.GetBool() ? 8 : cl_cam_height.GetFloat();
if (pLocal->IsObserver() && GetCamMode() == CAM_MODE_LOCKED_CHASE && !dynamic_cast<C_MatchBall *>(pTarget))
{
camOffset[PITCH] = eyeAngles[PITCH];
camOffset[YAW] = eyeAngles[YAW];
}
else
{
camOffset[PITCH] = camAngles[PITCH];
camOffset[YAW] = camAngles[YAW];
}
if (camOffset[PITCH] >= 0)
{
camOffset[ROLL] = dist;
}
else
{
float coeff = clamp(cos(DEG2RAD(camOffset[PITCH] + 90)), 0.001f, 1.0f);
camOffset[ROLL] = min((VEC_VIEW.z + height - 5) / coeff, dist);
}
eyeAngles[PITCH] = camOffset[PITCH];
eyeAngles[YAW] = camOffset[YAW];
eyeAngles[ROLL] = 0;
Vector camForward, camRight, camUp;
AngleVectors(eyeAngles, &camForward, &camRight, &camUp);
VectorMA(eyeOrigin, -camOffset[ROLL], camForward, eyeOrigin);
eyeOrigin.z += height;
if (!pLocal->IsObserver())
{
// Apply a smoothing offset to smooth out prediction errors.
Vector vSmoothOffset;
pLocal->GetPredictionErrorSmoothingVector( vSmoothOffset );
eyeOrigin += Vector(vSmoothOffset.x, vSmoothOffset.y, 0);
}
fov = pLocal->GetFOV();
}
void C_CFPlayer::CalcChaseCamView(Vector& eyeOrigin, QAngle& eyeAngles, float& fov)
{
C_CFPlayer *pTarget = ToCFPlayer(GetObserverTarget());
if ( !pTarget )
{
// just copy a save in-map position
VectorCopy( EyePosition(), eyeOrigin );
VectorCopy( EyeAngles(), eyeAngles );
return;
};
// If our target isn't visible, we're at a camera point of some kind.
// Instead of letting the player rotate around an invisible point, treat
// the point as a fixed camera.
if ( !pTarget->GetBaseAnimating() && !pTarget->GetModel() )
{
CalcRoamingView( eyeOrigin, eyeAngles, fov );
return;
}
// The following code was ripped from CCFInput::CAM_ThirdPersonNormalThink.
// Should probably delete it and move that code to C_CFPlayer so that it can be used here too.
eyeAngles = pTarget->EyeAngles();
Vector vecEngineForward, vecEngineRight, vecEngineUp;
AngleVectors(eyeAngles, &vecEngineForward, &vecEngineRight, &vecEngineUp);
Vector vecEngineForward2D;
AngleVectors(QAngle(0, eyeAngles[YAW], 0), &vecEngineForward2D);
// Don't use EyePosition() because that changes depending on the animation.
Vector vecCameraCenter = pTarget->GetAbsOrigin() + VEC_VIEW;
m_bThirdPositionMelee = true;
if (pTarget->GetPrimaryWeapon() && !pTarget->GetPrimaryWeapon()->IsMeleeWeapon())
m_bThirdPositionMelee = false;
if (pTarget->GetSecondaryWeapon() && !pTarget->GetSecondaryWeapon()->IsMeleeWeapon())
m_bThirdPositionMelee = false;
Vector vecRearRightPosition = vecCameraCenter + vecEngineRight * cvar->FindVar("cam_right")->GetFloat() - vecEngineForward * cvar->FindVar("cam_back")->GetFloat();
Vector vecRearMeleePosition = vecCameraCenter + vecEngineRight * cvar->FindVar("cam_right_melee")->GetFloat() - vecEngineForward * cvar->FindVar("cam_back_melee")->GetFloat();
m_flThirdPositionMeleeWeight = Approach(m_bThirdPositionMelee?0:1, m_flThirdPositionMeleeWeight, gpGlobals->frametime * (1/cvar->FindVar("cam_switchtime")->GetFloat()));
float flWeight = Gain(m_flThirdPositionMeleeWeight, 0.8f);
eyeOrigin = vecRearMeleePosition * (1-flWeight) + vecRearRightPosition * flWeight;
if ( pTarget )
{
trace_t trace;
// Trace back to see if the camera is in a wall.
CTraceFilterNoNPCsOrPlayer traceFilter( pTarget, COLLISION_GROUP_NONE );
UTIL_TraceHull( vecCameraCenter, eyeOrigin,
Vector(-9,-9,-9), Vector(9,9,9),
MASK_SOLID, &traceFilter, &trace );
if( trace.fraction < 1.0 )
eyeOrigin = trace.endpos;
}
fov = GetFOV();
}
