void Camera::FillXMLInfo(XMLNode *xmlInfo) const
{
Component::FillXMLInfo(xmlInfo);
xmlInfo->SetTagName("Camera");
xmlInfo->SetColor("ClearColor", GetClearColor());
xmlInfo->SetFloat("ZNear", GetZNear());
xmlInfo->SetFloat("ZFar", GetZFar());
xmlInfo->SetEnum("ProjectionMode",
ProjectionMode_GetNamesVector(),
ProjectionMode_GetIndexFromValue(m_projMode),
{XMLProperty::Readonly});
xmlInfo->SetFloat("AspectRatio", GetAspectRatio());
if (GetProjectionMode() == ProjectionMode::Orthographic)
{
xmlInfo->SetFloat("OrthoHeight", GetOrthoHeight());
xmlInfo->SetFloat("FOVDegrees", GetFovDegrees(), {XMLProperty::Hidden});
}
else
{
xmlInfo->SetFloat("OrthoHeight", GetOrthoHeight(), {XMLProperty::Hidden});
xmlInfo->SetFloat("FOVDegrees", GetFovDegrees());
}
}
void Camera::ShowGUIProperties(Editor* editor)
{
SceneNode::ShowGUIProperties(editor);
std::string header = "Camera:" + GetName();
if (ImGui::TreeNode(header.c_str()))
{
auto zNear = GetZNear();
ImGui::DragFloat("##zNear", &zNear, 1.f, 0.1f, 10000.0f, "zNear %.1f");
SetNearClip(zNear);
auto zFar = GetZFar();
ImGui::DragFloat("##zFar", &zFar, 1.f, 0.1f, 10000.0f, "zFar %.1f");
SetFarClip(zFar);
auto isOrtho = IsOrtho();
ImGui::Checkbox("Ortho", &isOrtho);
isOrtho ? EnableOrtho() : DisableOrtho();
if (!isOrtho)
{
auto fov = GetFOVRadians();
ImGui::SliderAngle("FOV", &fov, 0.f, CAMERA_MAX_FOV_DEGREES);
SetFOVRadians(fov);
}
else
{
auto orthoScale = GetOrthoScale();
ImGui::DragFloat("##orthoScale", &orthoScale, 1.f, 0.f, MAX_WORLD_SIZE, "Size %.1f");
SetOrthoScale(orthoScale);
}
ImGui::TreePop();
}
}
void Camera::CloneInto(ICloneable *clone) const
{
Component::CloneInto(clone);
Camera *cam = static_cast<Camera*>(clone);
cam->SetZFar(GetZFar());
cam->SetZNear(GetZNear());
cam->SetClearColor(GetClearColor());
cam->SetFovDegrees(GetFovDegrees());
cam->SetOrthoHeight(GetOrthoHeight());
cam->SetAspectRatio(GetAspectRatio());
cam->SetProjectionMode(GetProjectionMode());
cam->SetAutoUpdateAspectRatio(GetAutoUpdateAspectRatio());
}
void Camera::GetProjectionMatrix(Matrix4 *proj) const
{
if (m_projMode == ProjectionMode::Perspective)
{
if (m_autoUpdateAspectRatio)
{
m_aspectRatio = Screen::GetAspectRatio();
}
*proj = Matrix4::Perspective(glm::radians(m_fovDegrees), m_aspectRatio, m_zNear, m_zFar);
}
else //Ortho
{
*proj = Matrix4::Ortho(-GetOrthoWidth(), GetOrthoWidth(),
-GetOrthoHeight(), GetOrthoHeight(),
GetZNear(), GetZFar());
}
}
void Camera::OnDrawGizmos()
{
if (gameObject->IsEditorGameObject()) return;
Component::OnDrawGizmos();
Camera *sceneCam = Scene::GetCamera();
float distScale = Vector3::Distance(sceneCam->transform->GetPosition(),
transform->GetPosition());
Gizmos::SetDrawWireframe(false);
Gizmos::SetReceivesLighting(true);
Gizmos::SetPosition(transform->GetPosition());
Gizmos::SetRotation(transform->GetRotation());
Gizmos::SetScale(Vector3::One * 0.02f * distScale);
Gizmos::SetColor(GetClearColor());
Gizmos::RenderCustomMesh(Camera::s_camMesh);
if (gameObject->IsSelected())
{
Gizmos::SetColor(Color::Red);
Gizmos::SetReceivesLighting(false);
if (GetProjectionMode() == ProjectionMode::Perspective)
{
Gizmos::RenderFrustum(transform->GetForward(), transform->GetUp(),
transform->GetPosition(),
GetZNear(), GetZFar(),
GetFovDegrees(), GetAspectRatio());
}
else
{
Box orthoBox;
orthoBox.SetMin(transform->GetPosition() + Vector3(-GetOrthoWidth(), -GetOrthoHeight(), -GetZNear()));
orthoBox.SetMax(transform->GetPosition() + Vector3( GetOrthoWidth(), GetOrthoHeight(), -GetZFar()));
Gizmos::SetRotation(transform->GetRotation());
Gizmos::RenderSimpleBox(orthoBox);
}
}
}
//-----------------------------------------------------------------------------
// Sets up the view parameters
//-----------------------------------------------------------------------------
void CViewRender::SetUpViews()
{
VPROF("CViewRender::SetUpViews");
// Initialize view structure with default values
float farZ = GetZFar();
// Set up the mono/middle view.
CViewSetup &view = m_View;
view.zFar = farZ;
view.zFarViewmodel = farZ;
// UNDONE: Make this farther out?
// closest point of approach seems to be view center to top of crouched box
view.zNear = GetZNear();
view.zNearViewmodel = 1;
view.fov = default_fov.GetFloat();
view.m_bOrtho = false;
view.m_bViewToProjectionOverride = false;
view.m_eStereoEye = STEREO_EYE_MONO;
// Enable spatial partition access to edicts
partition->SuppressLists( PARTITION_ALL_CLIENT_EDICTS, false );
C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
// You in-view weapon aim.
bool bCalcViewModelView = false;
Vector ViewModelOrigin;
QAngle ViewModelAngles;
if ( engine->IsHLTV() )
{
HLTVCamera()->CalcView( view.origin, view.angles, view.fov );
}
#if defined( REPLAY_ENABLED )
else if ( g_pEngineClientReplay->IsPlayingReplayDemo() )
{
ReplayCamera()->CalcView( view.origin, view.angles, view.fov );
}
#endif
else
{
// FIXME: Are there multiple views? If so, then what?
// FIXME: What happens when there's no player?
if (pPlayer)
{
pPlayer->CalcView( view.origin, view.angles, view.zNear, view.zFar, view.fov );
// If we are looking through another entities eyes, then override the angles/origin for view
int viewentity = render->GetViewEntity();
if ( !g_nKillCamMode && (pPlayer->entindex() != viewentity) )
{
C_BaseEntity *ve = cl_entitylist->GetEnt( viewentity );
if ( ve )
{
VectorCopy( ve->GetAbsOrigin(), view.origin );
VectorCopy( ve->GetAbsAngles(), view.angles );
}
}
// There is a viewmodel.
bCalcViewModelView = true;
ViewModelOrigin = view.origin;
ViewModelAngles = view.angles;
}
else
{
view.origin.Init();
view.angles.Init();
}
// Even if the engine is paused need to override the view
// for keeping the camera control during pause.
g_pClientMode->OverrideView( &view );
}
// give the toolsystem a chance to override the view
ToolFramework_SetupEngineView( view.origin, view.angles, view.fov );
if ( engine->IsPlayingDemo() )
{
if ( cl_demoviewoverride.GetFloat() > 0.0f )
{
// Retreive view angles from engine ( could have been set in IN_AdjustAngles above )
CalcDemoViewOverride( view.origin, view.angles );
}
else
{
s_DemoView = view.origin;
s_DemoAngle = view.angles;
}
}
//Find the offset our current FOV is from the default value
float fDefaultFov = default_fov.GetFloat();
float flFOVOffset = fDefaultFov - view.fov;
//Adjust the viewmodel's FOV to move with any FOV offsets on the viewer's end
view.fovViewmodel = g_pClientMode->GetViewModelFOV() - flFOVOffset;
if ( UseVR() )
{
// Let the headtracking read the status of the HMD, etc.
// This call can go almost anywhere, but it needs to know the player FOV for sniper weapon zoom, etc
if ( flFOVOffset == 0.0f )
{
g_ClientVirtualReality.ProcessCurrentTrackingState ( 0.0f );
}
else
{
g_ClientVirtualReality.ProcessCurrentTrackingState ( view.fov );
}
HeadtrackMovementMode_t hmmOverrideMode = g_pClientMode->ShouldOverrideHeadtrackControl();
g_ClientVirtualReality.OverrideView( &m_View, &ViewModelOrigin, &ViewModelAngles, hmmOverrideMode );
// left and right stereo views should default to being the same as the mono/middle view
m_ViewLeft = m_View;
m_ViewRight = m_View;
m_ViewLeft.m_eStereoEye = STEREO_EYE_LEFT;
m_ViewRight.m_eStereoEye = STEREO_EYE_RIGHT;
g_ClientVirtualReality.OverrideStereoView( &m_View, &m_ViewLeft, &m_ViewRight );
}
else
{
// left and right stereo views should default to being the same as the mono/middle view
m_ViewLeft = m_View;
m_ViewRight = m_View;
m_ViewLeft.m_eStereoEye = STEREO_EYE_LEFT;
m_ViewRight.m_eStereoEye = STEREO_EYE_RIGHT;
}
if ( bCalcViewModelView )
{
Assert ( pPlayer != NULL );
pPlayer->CalcViewModelView ( ViewModelOrigin, ViewModelAngles );
}
// Disable spatial partition access
partition->SuppressLists( PARTITION_ALL_CLIENT_EDICTS, true );
// Enable access to all model bones
C_BaseAnimating::PopBoneAccess( "OnRenderStart->CViewRender::SetUpView" ); // pops the (true, false) bone access set in OnRenderStart
C_BaseAnimating::PushAllowBoneAccess( true, true, "CViewRender::SetUpView->OnRenderEnd" ); // pop is in OnRenderEnd()
// Compute the world->main camera transform
// This is only done for the main "middle-eye" view, not for the various other views.
ComputeCameraVariables( view.origin, view.angles,
&g_vecVForward, &g_vecVRight, &g_vecVUp, &g_matCamInverse );
// set up the hearing origin...
AudioState_t audioState;
audioState.m_Origin = view.origin;
audioState.m_Angles = view.angles;
audioState.m_bIsUnderwater = pPlayer && pPlayer->AudioStateIsUnderwater( view.origin );
ToolFramework_SetupAudioState( audioState );
// TomF: I wonder when the audio tools modify this, if ever...
Assert ( view.origin == audioState.m_Origin );
Assert ( view.angles == audioState.m_Angles );
view.origin = audioState.m_Origin;
view.angles = audioState.m_Angles;
engine->SetAudioState( audioState );
g_vecPrevRenderOrigin = g_vecRenderOrigin;
g_vecPrevRenderAngles = g_vecRenderAngles;
g_vecRenderOrigin = view.origin;
g_vecRenderAngles = view.angles;
#ifdef DBGFLAG_ASSERT
s_DbgSetupOrigin = view.origin;
s_DbgSetupAngles = view.angles;
#endif
}
//-----------------------------------------------------------------------------
// Sets up the view parameters
//-----------------------------------------------------------------------------
void CViewRender::SetUpView()
{
VPROF("CViewRender::SetUpView");
// Initialize view structure with default values
float farZ = GetZFar();
m_View.zFar = farZ;
m_View.zFarViewmodel = farZ;
// UNDONE: Make this farther out?
// closest point of approach seems to be view center to top of crouched box
m_View.zNear = GetZNear();
m_View.zNearViewmodel = 1;
m_View.fov = default_fov.GetFloat();
m_View.m_bOrtho = false;
// Enable spatial partition access to edicts
partition->SuppressLists( PARTITION_ALL_CLIENT_EDICTS, false );
C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
if ( engine->IsHLTV() )
{
HLTVCamera()->CalcView( m_View.origin, m_View.angles, m_View.fov );
}
else
{
// FIXME: Are there multiple views? If so, then what?
// FIXME: What happens when there's no player?
if (pPlayer)
{
pPlayer->CalcView( m_View.origin, m_View.angles, m_View.zNear, m_View.zFar, m_View.fov );
// If we are looking through another entities eyes, then override the angles/origin for m_View
int viewentity = render->GetViewEntity();
if ( !g_nKillCamMode && (pPlayer->entindex() != viewentity) )
{
C_BaseEntity *ve = cl_entitylist->GetEnt( viewentity );
if ( ve )
{
VectorCopy( ve->GetAbsOrigin(), m_View.origin );
VectorCopy( ve->GetAbsAngles(), m_View.angles );
}
}
pPlayer->CalcViewModelView( m_View.origin, m_View.angles );
}
// Even if the engine is paused need to override the view
// for keeping the camera control during pause.
g_pClientMode->OverrideView( &m_View );
}
// give the toolsystem a chance to override the view
ToolFramework_SetupEngineView( m_View.origin, m_View.angles, m_View.fov );
if ( engine->IsPlayingDemo() )
{
if ( cl_demoviewoverride.GetFloat() > 0.0f )
{
// Retreive view angles from engine ( could have been set in IN_AdjustAngles above )
CalcDemoViewOverride( m_View.origin, m_View.angles );
}
else
{
s_DemoView = m_View.origin;
s_DemoAngle = m_View.angles;
}
}
//Find the offset our current FOV is from the default value
float flFOVOffset = default_fov.GetFloat() - m_View.fov;
//Adjust the viewmodel's FOV to move with any FOV offsets on the viewer's end
m_View.fovViewmodel = g_pClientMode->GetViewModelFOV() - flFOVOffset;
// Disable spatical partition access
partition->SuppressLists( PARTITION_ALL_CLIENT_EDICTS, true );
// Enable access to all model bones
C_BaseAnimating::PopBoneAccess( "OnRenderStart->CViewRender::SetUpView" ); // pops the (true, false) bone access set in OnRenderStart
C_BaseAnimating::PushAllowBoneAccess( true, true, "CViewRender::SetUpView->OnRenderEnd" ); // pop is in OnRenderEnd()
// Compute the world->main camera transform
ComputeCameraVariables( m_View.origin, m_View.angles,
&g_vecVForward, &g_vecVRight, &g_vecVUp, &g_matCamInverse );
// set up the hearing origin...
AudioState_t audioState;
audioState.m_Origin = m_View.origin;
audioState.m_Angles = m_View.angles;
audioState.m_bIsUnderwater = pPlayer && pPlayer->AudioStateIsUnderwater( m_View.origin );
ToolFramework_SetupAudioState( audioState );
m_View.origin = audioState.m_Origin;
m_View.angles = audioState.m_Angles;
engine->SetAudioState( audioState );
g_vecPrevRenderOrigin = g_vecRenderOrigin;
g_vecPrevRenderAngles = g_vecRenderAngles;
g_vecRenderOrigin = m_View.origin;
g_vecRenderAngles = m_View.angles;
#ifdef _DEBUG
s_DbgSetupOrigin = m_View.origin;
s_DbgSetupAngles = m_View.angles;
#endif
}
//-----------------------------------------------------------------------------
// Sets up the view parameters
//-----------------------------------------------------------------------------
void CViewRender::SetUpView()
{
ASSERT_LOCAL_PLAYER_RESOLVABLE();
int nSlot = GET_ACTIVE_SPLITSCREEN_SLOT();
m_bAllowViewAccess = true;
VPROF("CViewRender::SetUpView");
// Initialize view structure with default values
float farZ = GetZFar();
CViewSetup &view = GetView();
view.zFar = farZ;
view.zFarViewmodel = farZ;
// UNDONE: Make this farther out?
// closest point of approach seems to be view center to top of crouched box
view.zNear = GetZNear();
view.zNearViewmodel = 1;
view.fov = default_fov.GetFloat();
view.m_bOrtho = false;
// Enable spatial partition access to edicts
partition->SuppressLists( PARTITION_ALL_CLIENT_EDICTS, false );
C_BasePlayer *pPlayer = C_BasePlayer::GetLocalPlayer();
bool bNoViewEnt = false;
if( pPlayer == NULL )
{
pPlayer = GetSplitScreenViewPlayer( nSlot );
bNoViewEnt = true;
}
if ( g_bEngineIsHLTV )
{
HLTVCamera()->CalcView( view.origin, view.angles, view.fov );
}
#if defined( REPLAY_ENABLED )
else if ( engine->IsReplay() )
{
ReplayCamera()->CalcView( view.origin, view.angles, view.fov );
}
#endif
else
{
// FIXME: Are there multiple views? If so, then what?
// FIXME: What happens when there's no player?
if (pPlayer)
{
pPlayer->CalcView( view.origin, view.angles, view.zNear, view.zFar, view.fov );
// If we are looking through another entities eyes, then override the angles/origin for GetView()
int viewentity = render->GetViewEntity();
if ( !bNoViewEnt && !g_nKillCamMode && (pPlayer->entindex() != viewentity) )
{
C_BaseEntity *ve = cl_entitylist->GetEnt( viewentity );
if ( ve )
{
VectorCopy( ve->GetAbsOrigin(), view.origin );
VectorCopy( ve->GetAbsAngles(), view.angles );
}
}
pPlayer->CalcViewModelView( view.origin, view.angles );
// Is this the proper place for this code?
if ( cl_camera_follow_bone_index.GetInt() >= -1 && input->CAM_IsThirdPerson() )
{
VectorCopy( g_cameraFollowPos, view.origin );
}
}
// Even if the engine is paused need to override the view
// for keeping the camera control during pause.
GetClientMode()->OverrideView( &GetView() );
}
// give the toolsystem a chance to override the view
ToolFramework_SetupEngineView( view.origin, view.angles, view.fov );
if ( engine->IsPlayingDemo() )
{
if ( cl_demoviewoverride.GetFloat() > 0.0f )
{
// Retreive view angles from engine ( could have been set in IN_AdjustAngles above )
CalcDemoViewOverride( view.origin, view.angles );
}
else
{
s_DemoView = view.origin;
s_DemoAngle = view.angles;
}
}
// Disable spatial partition access
partition->SuppressLists( PARTITION_ALL_CLIENT_EDICTS, true );
//Find the offset our current FOV is from the default value
float flFOVOffset = default_fov.GetFloat() - view.fov;
//Adjust the viewmodel's FOV to move with any FOV offsets on the viewer's end
view.fovViewmodel = GetClientMode()->GetViewModelFOV() - flFOVOffset;
// Compute the world->main camera transform
ComputeCameraVariables( view.origin, view.angles,
&g_vecVForward[ nSlot ], &g_vecVRight[ nSlot ], &g_vecVUp[ nSlot ], &g_matCamInverse[ nSlot ] );
// set up the hearing origin...
AudioState_t audioState;
audioState.m_Origin = view.origin;
audioState.m_Angles = view.angles;
audioState.m_bIsUnderwater = pPlayer && pPlayer->AudioStateIsUnderwater( view.origin );
ToolFramework_SetupAudioState( audioState );
view.origin = audioState.m_Origin;
view.angles = audioState.m_Angles;
GetClientMode()->OverrideAudioState( &audioState );
engine->SetAudioState( audioState );
g_vecPrevRenderOrigin[ nSlot ] = g_vecRenderOrigin[ nSlot ];
g_vecPrevRenderAngles[ nSlot ] = g_vecRenderAngles[ nSlot ];
g_vecRenderOrigin[ nSlot ] = view.origin;
g_vecRenderAngles[ nSlot ] = view.angles;
#ifdef DBGFLAG_ASSERT
s_DbgSetupOrigin[ nSlot ] = view.origin;
s_DbgSetupAngles[ nSlot ] = view.angles;
#endif
m_bAllowViewAccess = false;
}
void FGLRenderer::SetProjection(float fov, float ratio, float fovratio)
{
float fovy = 2 * RAD2DEG(atan(tan(DEG2RAD(fov) / 2) / fovratio));
gl_RenderState.mProjectionMatrix.perspective(fovy, ratio, GetZNear(), GetZFar());
}
