vsVector2D
vsLayer::GetCorner(bool bottom, bool right)
{
vsVector2D pos = vsVector2D::Zero;
// okay. First, let's start by grabbing the coordinate of our requested corner,
// as though we had no camera. Later on, we'll correct for the camera.
float fov = GetFOV(); // fov is measured VERTICALLY. So our height is FOV.
float halfFov = 0.5f * fov; // since we assume that '0,0' is in the middle, our coords vertically are [-halfFov .. halfFov]
if ( bottom )
pos.y = halfFov;
else // top
pos.y = -halfFov;
// now, to figure out where the edge is, we need to know our screen aspect ratio, which is the ratio of horizontal pixels to vertical pixels.
float aspectRatio = vsScreen::Instance()->GetAspectRatio();
if ( right )
pos.x = halfFov * aspectRatio;
else // left
pos.x = -halfFov * aspectRatio;
// Okay! Now we have the corner of our screen. Now we just need to figure out where this camera-relative coordinate sits in world-space
// to do this, we take the world-to-camera transform off the camera, and then apply its inverse to our position.
vsTransform worldToCamera;
worldToCamera.m_position = m_camera->GetPosition();
worldToCamera.m_angle = m_camera->GetAngle();
pos = worldToCamera.ApplyInverseTo(pos);
return pos;
}
void C_CFPlayer::CalcInEyeCamView(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 ( pTarget->ShouldForceThirdPerson() )
{
CalcChaseCamView( eyeOrigin, eyeAngles, fov );
return;
}
fov = GetFOV(); // TODO use tragets FOV
m_flObserverChaseDistance = 0.0;
eyeAngles = pTarget->EyeAngles();
eyeOrigin = pTarget->EyePosition();
// Apply punch angle
VectorAdd( eyeAngles, GetPunchAngle(), eyeAngles );
engine->SetViewAngles( eyeAngles );
}
void CBasePlayer::CalcPlayerView( Vector& eyeOrigin, QAngle& eyeAngles, float& fov )
{
#if defined( CLIENT_DLL )
if ( !prediction->InPrediction() )
{
// FIXME: Move into prediction
view->DriftPitch();
}
#endif
VectorCopy( EyePosition(), eyeOrigin );
#ifdef SIXENSE
if ( g_pSixenseInput->IsEnabled() )
{
VectorCopy( EyeAngles() + GetEyeAngleOffset(), eyeAngles );
}
else
{
VectorCopy( EyeAngles(), eyeAngles );
}
#else
VectorCopy( EyeAngles(), eyeAngles );
#endif
#if defined( CLIENT_DLL )
if ( !prediction->InPrediction() )
#endif
{
SmoothViewOnStairs( eyeOrigin );
}
// Snack off the origin before bob + water offset are applied
Vector vecBaseEyePosition = eyeOrigin;
CalcViewRoll( eyeAngles );
// Apply punch angle
VectorAdd( eyeAngles, m_Local.m_vecPunchAngle, eyeAngles );
#if defined( CLIENT_DLL )
if ( !prediction->InPrediction() )
{
// Shake it up baby!
vieweffects->CalcShake();
vieweffects->ApplyShake( eyeOrigin, eyeAngles, 1.0 );
}
#endif
#if defined( CLIENT_DLL )
// Apply a smoothing offset to smooth out prediction errors.
Vector vSmoothOffset;
GetPredictionErrorSmoothingVector( vSmoothOffset );
eyeOrigin += vSmoothOffset;
m_flObserverChaseDistance = 0.0;
#endif
// calc current FOV
fov = GetFOV();
}
void PerspectiveImpl::ComputeAngle (float width)
{
float rview_fov = (float)GetFOV () * 0.5f;
float disp_width = (float)width * 0.5f;
float inv_disp_radius = csQisqrt (
rview_fov * rview_fov + disp_width * disp_width);
fov_angle = 2.0f * (float)acos (disp_width * inv_disp_radius)
* (360.0f / TWO_PI);
Dirtify();
}
///////////////////////////////////////////////////////////////////////////////////////////////////////////////
// GetCameraPlanePoints: return four points in camera space at given distance from camera
void CCamera::GetCameraPlanePoints(float dist,CVector3D pts[4]) const
{
float aspect=float(m_ViewPort.m_Width)/float(m_ViewPort.m_Height);
float x=dist*float(tan(GetFOV()*aspect*0.5));
float y=dist*float(tan(GetFOV()*0.5));
pts[0].X=-x;
pts[0].Y=-y;
pts[0].Z=dist;
pts[1].X=x;
pts[1].Y=-y;
pts[1].Z=dist;
pts[2].X=x;
pts[2].Y=y;
pts[2].Z=dist;
pts[3].X=-x;
pts[3].Y=y;
pts[3].Z=dist;
}
float CBasePlayer::GetFOVDistanceAdjustFactor()
{
float defaultFOV = (float)GetDefaultFOV();
float localFOV = (float)GetFOV();
if ( localFOV == defaultFOV || defaultFOV < 0.001f )
{
return 1.0f;
}
// If FOV is lower, then we're "zoomed" in and this will give a factor < 1 so apparent LOD distances can be
// shorted accordingly
return localFOV / defaultFOV;
}
void C_PointCamera::GetToolRecordingState( KeyValues *msg )
{
BaseClass::GetToolRecordingState( msg );
unsigned char r, g, b;
static MonitorRecordingState_t state;
state.m_bActive = IsActive() && !IsDormant();
state.m_flFOV = GetFOV();
state.m_bFogEnabled = IsFogEnabled();
state.m_flFogStart = GetFogStart();
state.m_flFogEnd = GetFogEnd();
GetFogColor( r, g, b );
state.m_FogColor.SetColor( r, g, b, 255 );
msg->SetPtr( "monitor", &state );
}
//-----------------------------------------------------------------------------
// Purpose: Sets the FOV of the client, doing interpolation between old and new if requested
// Input : FOV - New FOV
// zoomRate - Amount of time (in seconds) to move between old and new FOV
//-----------------------------------------------------------------------------
bool CBasePlayer::SetFOV( CBaseEntity *pRequester, int FOV, float zoomRate, int iZoomStart /* = 0 */ )
{
//NOTENOTE: You MUST specify who is requesting the zoom change
assert( pRequester != NULL );
if ( pRequester == NULL )
return false;
// If we already have an owner, we only allow requests from that owner
if ( ( m_hZoomOwner.Get() != NULL ) && ( m_hZoomOwner.Get() != pRequester ) )
{
#ifdef GAME_DLL
if ( CanOverrideEnvZoomOwner( m_hZoomOwner.Get() ) == false )
#endif
return false;
}
else
{
//FIXME: Maybe do this is as an accessor instead
if ( FOV == 0 )
{
m_hZoomOwner = NULL;
}
else
{
m_hZoomOwner = pRequester;
}
}
// Setup our FOV and our scaling time
if ( iZoomStart > 0 )
{
m_iFOVStart = iZoomStart;
}
else
{
m_iFOVStart = GetFOV();
}
m_flFOVTime = gpGlobals->curtime;
m_iFOV = FOV;
m_Local.m_flFOVRate = zoomRate;
return true;
}
//-----------------------------------------------------------------------------
// Purpose: The main view setup function for vehicles
//-----------------------------------------------------------------------------
void CBasePlayer::CalcVehicleView(
#if defined( CLIENT_DLL )
IClientVehicle *pVehicle,
#else
IServerVehicle *pVehicle,
#endif
Vector& eyeOrigin, QAngle& eyeAngles,
float& zNear, float& zFar, float& fov )
{
Assert( pVehicle );
// Start with our base origin and angles
CacheVehicleView();
eyeOrigin = m_vecVehicleViewOrigin;
eyeAngles = m_vecVehicleViewAngles;
#if defined( CLIENT_DLL )
fov = GetFOV();
// Allows the vehicle to change the clip planes
pVehicle->GetVehicleClipPlanes( zNear, zFar );
#endif
// Snack off the origin before bob + water offset are applied
Vector vecBaseEyePosition = eyeOrigin;
CalcViewRoll( eyeAngles );
// Apply punch angle
VectorAdd( eyeAngles, m_Local.m_vecPunchAngle, eyeAngles );
#if defined( CLIENT_DLL )
if ( !prediction->InPrediction() )
{
// Shake it up baby!
vieweffects->CalcShake();
vieweffects->ApplyShake( eyeOrigin, eyeAngles, 1.0 );
}
#endif
}
vsVector2D
vsScene::GetCorner(bool bottom, bool right)
{
vsVector2D pos = vsVector2D::Zero;
// okay. First, let's start by grabbing the coordinate of our requested corner,
// as though we had no camera. Later on, we'll correct for the camera.
float fov = GetFOV(); // fov is measured VERTICALLY. So our height is FOV.
float halfFov = 0.5f * fov; // since we assume that '0,0' is in the middle, our coords vertically are [-halfFov .. halfFov]
if ( bottom )
pos.y = halfFov;
else // top
pos.y = -halfFov;
// now, to figure out where the edge is, we need to know our screen aspect
// ratio, which is the ratio of horizontal pixels to vertical pixels. Note
// that we're going to use the CAMERA's recorded aspect ratio, not the ACTUAL
// aspect ratio, since the two may differ. When we tell people corner coordinates,
// though, they're likely to want to use them for rendering from our current
// camera, so let's return values in that coordinate space.
float aspectRatio = m_camera->GetAspectRatio();
if ( right )
pos.x = halfFov * aspectRatio;
else // left
pos.x = -halfFov * aspectRatio;
// Okay! Now we have the corner of our screen. Now we just need to figure out where this camera-relative coordinate sits in world-space
// to do this, we take the world-to-camera transform off the camera, and then apply its inverse to our position.
vsTransform2D worldToCamera;
worldToCamera.SetTranslation( m_camera->GetPosition() );
worldToCamera.SetAngle( m_camera->GetAngle() );
pos = worldToCamera.ApplyTo(pos);
return pos;
}
bool Client::IsInViewCone (const Vector &pos) const
{
engine->BuildGlobalVectors (GetViewAngles ());
return ((pos - GetHeadOrigin ()).Normalize () | g_pGlobals->v_forward) >= cosf (Math::DegreeToRadian ((GetFOV () > 0.0f ? GetFOV () : 90.0f) * 0.5f));
}
// This is mostly copy paste from C_BasePlayer::CalcPlayerView
void C_NEOPlayer::CalcPlayerView( Vector& eyeOrigin, QAngle& eyeAngles, float& fov )
{
if ( !prediction->InPrediction() )
{
// FIXME: Move into prediction
view->DriftPitch();
}
VectorCopy( EyePosition(), eyeOrigin );
VectorCopy( EyeAngles(), eyeAngles );
if ( !prediction->InPrediction() )
{
SmoothViewOnStairs( eyeOrigin );
}
// Snack off the origin before bob + water offset are applied
Vector vecBaseEyePosition = eyeOrigin;
CalcViewRoll( eyeAngles );
// Apply punch angle
VectorAdd( eyeAngles, m_Local.m_vecPunchAngle, eyeAngles );
if ( !prediction->InPrediction() )
{
// Shake it up baby!
vieweffects->CalcShake();
vieweffects->ApplyShake( eyeOrigin, eyeAngles, 1.0 );
}
// Apply a smoothing offset to smooth out prediction errors.
Vector vSmoothOffset;
GetPredictionErrorSmoothingVector( vSmoothOffset );
eyeOrigin += vSmoothOffset;
m_flObserverChaseDistance = 0.0;
// This is what they've added
switch ( m_iUnknown )
{
case 0:
eyeAngles.z = 0.f;
break;
case 1:
eyeAngles.z = m_flUnknown3 * 20.f - 20.f;
break;
case 2:
eyeAngles.z = -20.f;
break;
case 3:
eyeAngles.z = -20.f * m_flUnknown3;
break;
case 4:
eyeAngles.z = m_flUnknown3;
break;
case 5:
eyeAngles.z = 20.f;
break;
case 6:
eyeAngles.z = 20.f * m_flUnknown3;
break;
}
// calc current FOV
fov = GetFOV();
}
bool ZCamera::CheckCollisionWall(float &fRealDist, rvector& pos, rvector& dir)
{
RBSPPICKINFO bpi;
float fNearZ = DEFAULT_NEAR_Z;
rvector pos2 = pos; // camera pos
rvector tarpos = pos2 + (dir * fNearZ); // near pos
rvector up2, right2;
up2 = rvector(0.0f, 0.0f, 1.0f);
right2 = Normalized(CrossProduct(dir, up2));
up2 = Normalized(CrossProduct(right2, dir));
right2 = Normalized(CrossProduct(dir, up2));
float fov = GetFOV();
float e = 1 / (tanf(fov / 2));
float fAspect = (float)RGetScreenWidth() / (float)RGetScreenHeight();
float fPV = (fAspect * fNearZ / e);
float fPH = (fNearZ / e);
bool bCollisionWall = false;
pos2 = pos;
rvector tar = tarpos + (up2 * fPV);
rvector dir2;
dir2 = tar - pos2;
Normalize(dir2);
// NOTE: This was using dir as at??? Figure out why
auto matView = ViewMatrix(pos2, Normalized(dir - pos2), up2);
if (ZGetGame()->GetWorld()->GetBsp()->Pick(pos2, dir2, &bpi))
{
if (Magnitude(tar - bpi.PickPos) < Magnitude(tar - pos2))
{
rvector v1, v2, v3;
v1 = bpi.PickPos;
v3 = tar;
if (ZGetGame()->GetWorld()->GetBsp()->Pick(tarpos, up2, &bpi))
{
v2 = bpi.PickPos;
float fD = Magnitude(tarpos - v2);
if (fD < fPH)
{
rvector vv1 = v1 - v2, vv2 = v2 - v3;
D3DXVECTOR4 rV4;
vv1 = Transform(vv1, matView);
v2 = Transform(vv2, matView);
float fAng = GetAngleOfVectors(vv1, vv2);
if (fAng < 0.0f) fAng = -fAng;
if (fAng < PI_FLOAT)
{
bCollisionWall = true;
float fX = fPV - fD;
float fY = fX * tanf(fAng);
float fMyRealDist = fRealDist - fY;
fRealDist = min(fMyRealDist, fRealDist);
}
}
}
}
}
pos2 = pos;
tar = tarpos + (right2 * fPH);
dir2 = Normalized(tar - pos2);
if (ZGetGame()->GetWorld()->GetBsp()->Pick(pos2, dir2, &bpi))
{
if (Magnitude(tar - bpi.PickPos) < Magnitude(tar - pos2))
{
rvector v1, v2, v3;
v1 = bpi.PickPos;
v3 = tar;
if (ZGetGame()->GetWorld()->GetBsp()->Pick(tarpos, right2, &bpi))
{
v2 = bpi.PickPos;
float fD = Magnitude(tarpos - v2);
if (fD < fPH)
{
rvector vv1 = v1 - v2, vv2 = v2 - v3;
float fAng = GetAngleOfVectors(vv1, vv2);
if (fAng < 0.0f) fAng = -fAng;
if (fAng < (PI_FLOAT / 2))
{
bCollisionWall = true;
float fX = fPH - fD;
float fY = fX * tanf(fAng);
float fMyRealDist = fRealDist - fY;
fRealDist = min(fMyRealDist, fRealDist);
}
}
}
}
}
pos2 = pos;
tar = tarpos - (up2 * fPV);
dir2 = Normalized(tar - pos2);
matView = ViewMatrix(pos2, Normalized(dir2 - pos2), up2);
if (ZGetGame()->GetWorld()->GetBsp()->Pick(pos2, dir2, &bpi))
{
if (Magnitude(tar - bpi.PickPos) < Magnitude(tar - pos2))
{
rvector v1, v2, v3;
v1 = bpi.PickPos;
v3 = tar;
if (ZGetGame()->GetWorld()->GetBsp()->Pick(tarpos, -up2, &bpi))
{
v2 = bpi.PickPos;
float fD = Magnitude(tarpos - v2);
if (fD < fPH)
{
bCollisionWall = true;
rvector vv1 = v1 - v2, vv2 = v2 - v3;
vv1 = Transform(vv1, matView);
vv2 = Transform(vv2, matView);
float fAng = GetAngleOfVectors(vv1, vv2);
if (fAng < 0.0f) fAng = -fAng;
if (fAng < (PI_FLOAT / 2))
{
float fX = fPV - fD;
float fY = fX * tanf(fAng);
float fMyRealDist = fRealDist - fY;
fRealDist = min(fMyRealDist, fRealDist);
}
}
}
}
}
pos2 = pos;
tar = tarpos - (right2 * fPH);
dir2 = Normalized(tar - pos2);
if (ZGetGame()->GetWorld()->GetBsp()->Pick(pos2, dir2, &bpi))
{
if (Magnitude(tar - bpi.PickPos) < Magnitude(tar - pos2))
{
rvector v1, v2, v3;
v1 = bpi.PickPos;
v3 = tar;
if (ZGetGame()->GetWorld()->GetBsp()->Pick(tarpos, -right2, &bpi))
{
v2 = bpi.PickPos;
float fD = Magnitude(tarpos - v2);
if (fD < fPH)
{
bCollisionWall = true;
rvector vv1 = v1 - v2, vv2 = v2 - v3;
float fAng = GetAngleOfVectors(vv1, vv2);
if (fAng < 0.0f) fAng = -fAng;
if (fAng < (PI_FLOAT / 2))
{
float fX = fPH - fD;
float fY = fX * tanf(fAng);
float fMyRealDist = fRealDist - fY;
fRealDist = min(fMyRealDist, fRealDist);
}
}
}
}
}
if (fRealDist < 0) fRealDist = 0.0f;
return bCollisionWall;
}
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();
}
