void VLensFlareComponent::GetVariableAttributes(VisVariable_cl *pVariable, VVariableAttributeInfo &destInfo)
{
// Check whether we need to display the OnlyVisibleInSpotLight property. It should be only visible when the owner is a spotlight
if (!strcmp(pVariable->GetName(),"OnlyVisibleInSpotLight"))
{
VisLightSource_cl* pLight = (VisLightSource_cl*)GetOwner();
if(pLight && pLight->GetType() == VIS_LIGHT_SPOTLIGHT)
destInfo.m_bHidden = false;
else
destInfo.m_bHidden = true;
}
}
void VLensFlareComponent::UpdateVisibility (float& fLastVisibilityQuery, float& fCurrentVisibility)
{
// Make sure we are actually attached to an object
if (GetOwner())
{
// Get Camera
VisRenderContext_cl* pContext = VisRenderContext_cl::GetCurrentContext();
const hkvVec3 vCameraPos = pContext->GetCamera()->GetPosition();
// Get Light
VisLightSource_cl* pLight = (VisLightSource_cl*)GetOwner();
hkvVec3 vPos;
pLight->GetVirtualPosition( vPos, pContext );
hkvVec3 vDist = vCameraPos - vPos;
float fDist = vDist.getLength();
float fFactor = 1.0f;
// Distance FadeOut
if (FadeOutEnd != 0 && FadeOutStart < FadeOutEnd)
{
if (fDist > FadeOutEnd)
{
fFactor = 0.0f;
}
else if (fDist > FadeOutStart)
{
fFactor = 1.0f - (fDist - FadeOutStart) / (FadeOutEnd - FadeOutStart);
}
}
// Apply distance fade out
fLastVisibilityQuery *= fFactor;
// PreGlow/AfterGlow
if (fLastVisibilityQuery > fCurrentVisibility)
{
float fSpeed = Vision::GetTimer()->GetTimeDifference() / ((PreGlowMS + 1) * 0.001f);
fCurrentVisibility = hkvMath::Min(fCurrentVisibility + fSpeed, fLastVisibilityQuery);
}
else if (fLastVisibilityQuery < fCurrentVisibility)
{
float fSpeed = Vision::GetTimer()->GetTimeDifference() / ((AfterGlowMS + 1) * 0.001f);
fCurrentVisibility = hkvMath::Max(fCurrentVisibility - fSpeed, fLastVisibilityQuery);
}
fCurrentVisibility = hkvMath::clamp(fCurrentVisibility, 0.0f, 1.0f);
}
}
void VMobileForwardRenderLoop::DetermineRelevantLights()
{
m_DynamicLightCollection.Clear();
m_pBasePassLight = NULL;
m_iBasePassLightPriority = 0;
// Get all visible light sources
IVisVisibilityCollector_cl *pVisColl = VisRenderContext_cl::GetCurrentContext()->GetVisibilityCollector();
if (pVisColl == NULL)
return;
const VisLightSrcCollection_cl *pLightSourceCollection = pVisColl->GetVisibleLights();
if (pLightSourceCollection == NULL)
return;
unsigned int iNumLights = pLightSourceCollection->GetNumEntries();
if (iNumLights == 0)
return;
VisRenderContext_cl *pContext = VisRenderContext_cl::GetCurrentContext();
const hkvVec3 &vCamPos = pContext->GetCamera()->GetPosition();
for (unsigned i=0;i<iNumLights;i++)
{
VisLightSource_cl *pLight = pLightSourceCollection->GetEntry(i);
// We are only interested in dynamic lights or static lights with attached shadow map component
if ((!pLight->IsDynamic() && !GetCompatibleShadowMapComponent(pLight)) || pLight->GetRadius()<=HKVMATH_LARGE_EPSILON)
continue;
const float fFade = pLight->GetMultiplier()*pLight->GetFadeWeight(vCamPos);
if (fFade <= HKVMATH_LARGE_EPSILON)
continue;
// See which geometry types have to cast shadows
int iReceiverFlags = GetLightReceiverFlags(pLight);
// If nothing receives light from this light source, we can proceed to the next light.
if (!iReceiverFlags)
continue;
// Find light with highest priority. This light will be rendered in the base pass, in contrast to all
// additional lights that are rendered additively after the base pass. The search ignores lights with
// attached light clipping volume, since light clipping volumes can't be rendered before the base pass.
if (!pLight->HasClipVolumeComponent())
{
// get the light with highest priority (largest influence area in screen space combined with weighting factor)
int iLightPriority = GetLightPriority(pLight);
if (iLightPriority > m_iBasePassLightPriority)
{
m_pBasePassLight = pLight;
m_iBasePassLightPriority = iLightPriority;
}
}
if (pLight->IsDynamic())
m_DynamicLightCollection.AppendEntry(pLight);
}
}
bool VOcclusionQueryObjectPixelCounterLensFlare::Render(VOcclusionQuery &query, const hkvAlignedBBox &safeBox)
{
if (m_pLensFlare != NULL && m_pLensFlare->GetOwner() != NULL)
{
SetState(VISQUERY_RENDERSTATE_BILLBOARD);
VisRenderContext_cl* pContext = VisRenderContext_cl::GetCurrentContext();
VisLightSource_cl* pLight = (VisLightSource_cl*)m_pLensFlare->GetOwner();
hkvVec3 vPos(hkvNoInitialization);
pLight->GetVirtualPosition(vPos, pContext);
hkvVec3 vCameraDir = pContext->GetCamera()->GetPosition() - vPos;
vCameraDir /= hkvMath::Max(vCameraDir.getLength(), HKVMATH_LARGE_EPSILON);
vPos += vCameraDir * m_pLensFlare->GetDepthBias();
query.DoHardwareOcclusionTest_Billboard(&vPos.x, m_pLensFlare->GetCheckBlockSize());
return true;
}
return false;
}
// Simplified version of dynamic light rendering for mirrors
void MirrorRenderLoop_cl::DrawDynamicLight()
{
INSERT_PERF_MARKER_SCOPE("MirrorRenderLoop_cl::DrawDynamicLight");
// Some local variables for storing surfaces, shaders, surface shaders, and the like.
VisDrawCallInfo_t SurfaceShaderList[RLP_MAX_ENTITY_SURFACESHADERS];
VCompiledTechnique *pTechnique = NULL;
VisMirror_cl::VReflectionShaderSets_e shaderMode = m_pMirror->m_eReflectionShaderMode;
// Get all visible light sources
IVisVisibilityCollector_cl *pVisColl = VisRenderContext_cl::GetCurrentContext()->GetVisibilityCollector();
if (pVisColl == NULL)
return;
const VisLightSrcCollection_cl *pLightSourceCollection = pVisColl->GetVisibleLights();
unsigned int i;
unsigned int iNumLights = pLightSourceCollection->GetNumEntries();
if (iNumLights == 0)
return;
// Set depth-stencil state
VisRenderStates_cl::SetDepthStencilState(m_dynLightDefaultState);
// For all visible lights...
for (i=0; i<iNumLights; i++)
{
VisLightSource_cl *pLight = pLightSourceCollection->GetEntry(i);
// We're only interested in dynamic lights
if (!pLight->IsDynamic())
continue;
// Clear the collections of geo instances and entities, since we want to build them from scratch for each light
s_LitEntityCollection.Clear();
s_LitGeoInstanceCollection.Clear();
// See which geometry types have to cast shadows
int iReceiverFlags = GetLightReceiverFlags(pLight);
// If nothing receives light from this light source, we can proceed to the next light.
if (!iReceiverFlags)
continue;
// ***************** Create lists of illuminated scene elements *****************
// If no shadows are cast, we simply illuminate all visible geometry within the range (spherical) of the light.
VisEntityCollection_cl *pEntColl = NULL;
if (iReceiverFlags & VIS_LIGHTSRCVIS_MODELS)
pEntColl = &s_LitEntityCollection;
VisStaticGeometryInstanceCollection_cl *pGeoInstanceColl = NULL;
if (iReceiverFlags & VIS_LIGHTSRCVIS_PRIMITIVES)
{
pGeoInstanceColl = &s_LitGeoInstanceCollection;
}
Vision::RenderLoopHelper.GetVisibleGeometryInLightsourceRange(pGeoInstanceColl, pEntColl, NULL, *pLight);
// For all illuminated entities: Render a dynamic lighting pass now.
if (pLight->GetLightInfluenceBitMaskEntity())
{
int j;
int iNumLitEntities = s_LitEntityCollection.GetNumEntries();
Vision::RenderLoopHelper.BeginEntityRendering();
for (j=0; j<iNumLitEntities; j++)
{
VisBaseEntity_cl *pEntity = s_LitEntityCollection.GetEntry(j);
// Ignore foreground entities (they don't trivially support additive lighting)
if (pEntity->IsObjectAlwaysInForegroundEnabled())
continue;
if (!(pEntity->GetLightInfluenceBitMask() & pLight->GetLightInfluenceBitMaskEntity()))
continue;
if (!pVisColl->IsEntityVisible(pEntity))
continue;
VDynamicMesh *pMesh = pEntity->GetMesh();
// Get list of all the surfaces in the model
int iNumSubmeshes = pMesh->GetSubmeshCount();
int iNumSurfaceShaders = 0;
VisSurface_cl **ppSurfaceArray = pEntity->GetSurfaceArray();
// For all the surfaces...
for (int k=0; k<iNumSubmeshes; k++)
{
VDynamicSubmesh *pSubmesh = pMesh->GetSubmesh(k);
VASSERT(pSubmesh != NULL);
VisSurface_cl* pSurface = &m_dummySurface;
VisSurface_cl* pMeshSurface = pSubmesh->m_pSurface;
VASSERT(pMeshSurface != NULL);
bool bHasManualTemplateShaderAssignment = pMeshSurface->GetShaderMode() == VisSurface_cl::VSM_Template
&& pMeshSurface->GetMaterialTemplate() != NULL && pMeshSurface->GetMaterialTemplate()->HasManualAssignment();
if (shaderMode == VisMirror_cl::AlwaysSurfaceShaders ||
(shaderMode == VisMirror_cl::SimpleForAUTO && ( (pMeshSurface->GetShaderMode() == VisSurface_cl::VSM_Manual) || bHasManualTemplateShaderAssignment) ) )
{
pSurface = ppSurfaceArray[pSubmesh->m_iMaterialIndex]; // use the real surface
}
pTechnique = Vision::GetApplication()->GetShaderProvider()->GetDynamicLightShader(pLight, pSurface, true);
if (pTechnique==NULL)
continue;
VisDrawCallInfo_t &info(SurfaceShaderList[iNumSurfaceShaders++]);
info.Set(pSubmesh, pSurface, pTechnique->m_Shaders.GetAt(0));
}
// Finally, render the entity with a surface shader list.
if (iNumSurfaceShaders>0)
Vision::RenderLoopHelper.RenderEntityWithSurfaceShaderList(pEntity, iNumSurfaceShaders, SurfaceShaderList);
}
Vision::RenderLoopHelper.EndEntityRendering();
}
// For all illuminated world primitives: Render a dynamic lighting pass now
if (pLight->GetLightInfluenceBitMaskWorld() > 0)
{
// For all illuminated static geometry instances: Render a dynamic lighting pass now.
int iNumLitGeoInstances = s_LitGeoInstanceCollection.GetNumEntries();
s_RenderGeoInstanceCollection.Clear();
// Render illuminated geometry instances.
for (int j=0; j < iNumLitGeoInstances; j++)
{
VisStaticGeometryInstance_cl *pGI = s_LitGeoInstanceCollection.GetEntry(j);
if (pGI->GetSurface()==NULL || pGI->GetSurface()->IsFullbright())
continue;
// We have to append the primitive to our collection
s_RenderGeoInstanceCollection.AppendEntry(pGI);
}
// render the collection
const int iLitGeoCount = s_RenderGeoInstanceCollection.GetNumEntries();
if (iLitGeoCount > 0)
{
VCompiledTechnique *pLastTech = NULL;
VisSurface_cl* pLastSurface = NULL;
m_CustomGeoInstances.EnsureSize(iLitGeoCount);
m_CustomGeoInstances.Clear();
for (int j=0; j < iLitGeoCount; j++)
{
VisStaticGeometryInstance_cl *pGI = s_RenderGeoInstanceCollection.GetEntry(j);
GetLightShader (pLight, pGI, m_pMirror->m_eReflectionShaderMode, pLastSurface, pLastTech, pLastSurface, pTechnique);
// The current technique has changed, so we have to render the previously gathered geometry.
if (pLastTech != pTechnique)
{
if ((m_CustomGeoInstances.GetNumEntries() > 0) && (pLastTech != NULL) && (pLastTech->GetShaderCount() > 0))
{
Vision::RenderLoopHelper.RenderStaticGeometryWithShader(m_CustomGeoInstances, *pLastTech->m_Shaders.GetAt(0) );
m_CustomGeoInstances.Clear();
}
pLastTech = pTechnique;
}
m_CustomGeoInstances.AppendEntryFast(pGI);
}
// Render remaining geometry
if ((m_CustomGeoInstances.GetNumEntries() > 0) && (pLastTech != NULL) && (pLastTech->GetShaderCount() > 0))
{
Vision::RenderLoopHelper.RenderStaticGeometryWithShader(m_CustomGeoInstances, *pTechnique->m_Shaders.GetAt(0) );
}
s_RenderGeoInstanceCollection.Clear();
}
}
}
// Restore default render state
VisRenderStates_cl::SetDepthStencilState(*VisRenderStates_cl::GetDepthStencilDefaultState());
}
void VTimeOfDayComponent::UpdateParent()
{
IVTimeOfDay *pTimeOfDayInterface = Vision::Renderer.GetTimeOfDayHandler();
if (pTimeOfDayInterface == NULL)
return;
VisObject3D_cl *pOwnerObject = (VisObject3D_cl *)m_pOwner;
VASSERT(pOwnerObject);
hkvVec3 vDirection(hkvNoInitialization);
pTimeOfDayInterface->GetSunDirection(vDirection);
vDirection.normalizeIfNotZero();
if (AttachmentType == TIMEOFDAY_ATTACHMENT_MOONLIGHTSOURCE)
{
vDirection = -vDirection;
}
else if(AttachmentType == TIMEOFDAY_ATTACHMENT_SUNBACKLIGHTSOURCE)
{
vDirection.x = -vDirection.x;
vDirection.y = -vDirection.y;
}
if (AttachmentType != TIMEOFDAY_ATTACHMENT_ENABLEDATNIGHTLIGHTSOURCE)
{
pOwnerObject->SetDirection(vDirection);
}
if (AttachmentType == TIMEOFDAY_ATTACHMENT_CORONALIGHTSOURCE)
{
// TODO (multiple renderer nodes)
IVRendererNode *pRenderer = Vision::Renderer.GetRendererNode(0);
float fNear, fFar;
pRenderer->GetReferenceContext()->GetClipPlanes(fNear, fFar);
hkvVec3 vCamPos = pRenderer->GetReferenceContext()->GetCamera()->GetPosition();
hkvVec3 vCoronaPos = -vDirection;
vCoronaPos *= 0.95f * fFar;
vCoronaPos += vCamPos;
pOwnerObject->SetPosition(vCoronaPos);
}
if (m_bIsLightClass)
{
VisLightSource_cl *pLight = (VisLightSource_cl*)m_pOwner;
VColorRef sunColor = pTimeOfDayInterface->GetSunColor();
bool bSwitchable = (AttachmentType == TIMEOFDAY_ATTACHMENT_ENABLEDATNIGHTLIGHTSOURCE);
float fBelowHorizonMultiplier = hkvMath::pow (hkvMath::Max(-vDirection.z+0.1f, 0.0f), bSwitchable ? 1.0f : 0.1f);
fBelowHorizonMultiplier = hkvMath::Min(1.0f, fBelowHorizonMultiplier);
if (bSwitchable && fBelowHorizonMultiplier < 1.0f && fBelowHorizonMultiplier > 0.f)
{
pLight->SetColor(m_iColor);
pLight->SetMultiplier(Intensity * (1.0f - fBelowHorizonMultiplier));
}
else if (AttachmentType == TIMEOFDAY_ATTACHMENT_SUNLIGHTSOURCE)
{
pLight->SetColor(sunColor);
pLight->SetMultiplier(Intensity * fBelowHorizonMultiplier);
}
else if ((AttachmentType == TIMEOFDAY_ATTACHMENT_MOONLIGHTSOURCE) ||
(AttachmentType == TIMEOFDAY_ATTACHMENT_SUNBACKLIGHTSOURCE))
{
// TODO
VColorRef negativeColor = V_RGBA_WHITE - sunColor;
pLight->SetColor(negativeColor);
pLight->SetMultiplier(Intensity * fBelowHorizonMultiplier * 0.333f);
}
else if (AttachmentType == TIMEOFDAY_ATTACHMENT_CORONALIGHTSOURCE)
{
hkvVec3 vSunColorFloat = sunColor.ToFloat();
float fLargestComponent = hkvMath::Max(hkvMath::Max(vSunColorFloat.x, vSunColorFloat.y), vSunColorFloat.z);
if (fLargestComponent <= 0.0f)
fLargestComponent = 1.0f;
sunColor.FromFloat(vSunColorFloat * (1.0f / fLargestComponent));
pLight->SetColor(sunColor * fBelowHorizonMultiplier);
pLight->SetMultiplier(0.0f);
}
}
}
void VCoronaManager::RenderCorona (VCoronaCandidate& coronaCandidate, VTextureObject*& pTexture)
{
#ifdef SUPPORTS_CORONAS
VCoronaComponent *pCorona = coronaCandidate.m_pCorona;
VisRenderContext_cl* pContext = VisRenderContext_cl::GetCurrentContext();
VisLightSource_cl* pLight = (VisLightSource_cl*)pCorona->GetOwner();
hkvVec3 vLightPos(hkvNoInitialization);
pLight->GetVirtualPosition(vLightPos, pContext);
hkvVec3 vEyePos(hkvNoInitialization);
pContext->GetCamera()->GetPosition(vEyePos);
hkvVec3 vDir = pContext->GetCamera()->GetDirection();
// Corona texture
VTextureObject *pTex = pCorona->GetCoronaTexture();
if (pTex == NULL)
return;
if (pTexture != pTex)
{
pTexture = pTex;
Vision::RenderLoopHelper.BindMeshTexture(pTexture,0);
}
// Get light color
VColorRef color = pLight->GetColor();
hkvVec3 vDist = vLightPos - vEyePos;
float fEyeDist = vDir.dot(vDist);
//determine if camera is in light cone if the light is directional
float fDirectionalDampening = 1.0f;
if ( pLight->GetType() == VIS_LIGHT_SPOTLIGHT && pCorona->GetOnlyVisibleInSpotLight() )
{
fDirectionalDampening = 0.0f;
float fConeAngle = pLight->GetProjectionAngle();
float fConeLength = pLight->GetRadius();
hkvVec3 fConeDirection = pLight->GetDirection();
fConeDirection.normalize();
hkvVec3 vLightEyeDist = vEyePos - vLightPos;
//#2 check if the camera is inside the angle of the cone
float cosinusAngle = (vLightEyeDist/vLightEyeDist.getLength()).dot(fConeDirection);
float fDegree = hkvMath::acosDeg(cosinusAngle);
float normRadius = fDegree / (fConeAngle/2.0f);
if (normRadius < 1.0f)
{
//hardcoded falloff. For better performance, we avoid sampling the projection texture here.
const float fEpsilon = 64.0f/256.0f;
const float fQuadFactor = 1.0f/fEpsilon - 1.0f;
fDirectionalDampening = 1.0f / (1.0f + fQuadFactor*normRadius*normRadius);
// scale the function so that the value is exactly 0.0 at the edge and 1.0 in the center
fDirectionalDampening = (fDirectionalDampening - fEpsilon) / (1.0f - fEpsilon);
}
}
// Fog params
float fFogDampening = 1.0f;
if (pLight->GetType() != VIS_LIGHT_DIRECTED && Vision::World.IsLinearDepthFogEnabled())
{
const VFogParameters &fog = Vision::World.GetFogParameters();
float fFogStart = fog.fDepthStart;
float fFogEnd = fog.fDepthEnd;
float fFogFactor = (fFogEnd > fFogStart) ? ((fEyeDist - fFogStart) / (fFogEnd - fFogStart)) : 0.f;
fFogDampening = 1.0f - hkvMath::clamp(fFogFactor, 0.0f, 1.0f);
}
// Get corona rotation
float fRotation = 0.0f;
hkvVec4 vRotation(1.0f, 0.0f, 0.0f, 1.0f);
if (pCorona->CoronaFlags & VIS_CORONASCALE_ROTATING)
{
fRotation = hkvMath::mod (fEyeDist * 0.5f, 360.f);
vRotation.x = hkvMath::cosDeg (fRotation);
vRotation.y = -hkvMath::sinDeg (fRotation);
vRotation.z = -vRotation.y;
vRotation.w = vRotation.x;
}
// Texture dimensions
int iSizeX, iSizeY, depth;
pTex->GetTextureDimensions(iSizeX, iSizeY, depth);
hkvVec4 vScale(0.0f, 0.0f, 0.0f, 0.0f);
int iMainWidth, iMainHeight, iWidth, iHeight;
pContext->GetSize(iWidth, iHeight);
VisRenderContext_cl::GetMainRenderContext()->GetSize(iMainWidth, iMainHeight);
// Preserve texture aspect ratio
int iTexHeight = pTex->GetTextureHeight();
int iTexWidth = pTex->GetTextureWidth();
// Perspective scaling
// This scaling ensures roughly the same size on 720p as the old implementation.
vScale.z = iTexWidth * pCorona->CoronaScaling * 0.25f;
vScale.w = iTexHeight * pCorona->CoronaScaling * 0.25f;
// Screen-space scaling
// This scaling ensures roughly the same size on 720p as the old implementation.
const float fScaleFactor = pCorona->CoronaScaling * iMainHeight / 11.0f;
vScale.x = ((float)iTexWidth / 128.0f) * fScaleFactor * (float(iWidth) / float(iMainWidth));
vScale.y = ((float)iTexHeight / 128.0f) * fScaleFactor * (float(iHeight) / float(iMainHeight));
vScale.x *= 2.0f / iWidth;
vScale.y *= 2.0f / iHeight;
// Scale by visibility
if (pCorona->CoronaFlags & VIS_CORONASCALE_VISIBLEAREA)
{
vScale.x *= coronaCandidate.m_fCurrentVisibility;
vScale.y *= coronaCandidate.m_fCurrentVisibility;
vScale.z *= coronaCandidate.m_fCurrentVisibility;
vScale.w *= coronaCandidate.m_fCurrentVisibility;
}
VCompiledShaderPass* pShader = m_spCoronaTechnique->GetShader(0);
VShaderConstantBuffer *pVertexConstBuffer = pShader->GetConstantBuffer(VSS_VertexShader);
// xyz = worldspace position, w = 1.0 if VIS_CORONASCALE_DISTANCE is true, otherwise zero.
pVertexConstBuffer->SetSingleParameterF("coronaPosition", vLightPos.x, vLightPos.y, vLightPos.z, (pCorona->CoronaFlags & VIS_CORONASCALE_DISTANCE) ? 1.0f : 0.0f);
// xyz = light color, w = corona visibility.
pVertexConstBuffer->SetSingleParameterF("coronaColor", color.r/255.0f, color.g/255.0f, color.b/255.0f, coronaCandidate.m_fCurrentVisibility * fFogDampening * fDirectionalDampening);
// xyzw = 2x2 rotation matrix. float2x2 is not supported in shader model 2, so a float4 is used and multiplication is done manually in the shader.
pVertexConstBuffer->SetSingleParameterF("coronaRotation", vRotation.x, vRotation.y, vRotation.z, vRotation.w);
// xy = screen-space scaling. zw = view-space scaling.
pVertexConstBuffer->SetSingleParameterF("coronaScale", vScale.x, vScale.y, vScale.z, vScale.w);
Vision::RenderLoopHelper.RenderMeshes(pShader, VisMeshBuffer_cl::MB_PRIMTYPE_TRILIST, 0, 2, 6);
#endif
}
void VCoronaManager::UpdateCoronas(int iCoronaUpdateFlags)
{
#ifdef SUPPORTS_CORONAS
VisRenderContext_cl* pContext = VisRenderContext_cl::GetCurrentContext();
if ((iCoronaUpdateFlags & VCUF_USE_OC_CONTEXT) > 0)
{
// Determine relevant render context and visibility collector
IVisVisibilityCollector_cl *pVisCollector = pContext->GetVisibilityCollector();
if (!pVisCollector)
return;
VisRenderContext_cl *pOQContext = pVisCollector->GetOcclusionQueryRenderContext();
if (pOQContext != NULL)
pContext = pOQContext;
}
if (pContext == NULL)
return;
if ((pContext->GetRenderFlags() & VIS_RENDERCONTEXT_FLAG_USE_PIXELCOUNTER) == 0)
return;
if ((pContext->GetRenderFlags() & VIS_RENDERCONTEXT_FLAG_RENDER_CORONAS) == 0)
return;
// Get bitmask for this context.
unsigned int iRenderFilterMask = pContext->GetRenderFilterMask();
// get the collection of visible lights.
IVisVisibilityCollector_cl* pVisCollector = VisRenderContext_cl::GetCurrentContext()->GetVisibilityCollector();
if (pVisCollector == NULL)
return;
VISION_PROFILE_FUNCTION(PROFILING_CORONA_UPDATE);
// Get multi-sampling mode
unsigned int iTexelsPerPixel = 1;
VTextureObject* pDepthTex = pContext->GetDepthStencilTarget();
if(pDepthTex == NULL)
{
// If no depth stencil target is available, we might work without a renderer node and we're in the main context
if(Vision::Renderer.GetCurrentRendererNode() == NULL && pContext == VisRenderContext_cl::GetMainRenderContext())
{
// In this case get the multi-sampling type from the video config as it's used to set the actual backbuffer settings
// where the main context will render to
iTexelsPerPixel = hkvMath::Max(1, 1 << ((int)Vision::Video.GetCurrentConfig()->m_eMultiSample));
}
}
else if (pDepthTex->GetTextureType() == VTextureLoader::Texture2D)
{
iTexelsPerPixel = hkvMath::Max(1u, ((VisRenderableTexture_cl*)pDepthTex)->GetConfig()->m_iMultiSampling);
}
const VisLightSrcCollection_cl* pVisibleLights = pVisCollector->GetVisibleLights();
int iCandidates = 0;
if (pVisibleLights != NULL)
iCandidates = pVisibleLights->GetNumEntries();
// Ensure size of coronas state structure.
int iContextIndex = pContext->GetNumber();
if (iContextIndex + 1 > m_State.GetSize())
m_State.SetSize(iContextIndex + 1, -1);
VCoronaRenderContextState& state = m_State[iContextIndex];
int iCapacity = m_Instances.GetCapacity();
state.EnsureSize(iCapacity);
// Add visible lights with a lens flare component to the candidate list for this frame
if ((iCoronaUpdateFlags & VCUF_ADD) > 0)
{
for (int iCandidate = 0; iCandidate < iCandidates; ++iCandidate)
{
VisLightSource_cl* pLight = pVisibleLights->GetEntry(iCandidate);
if (pLight)
{
VCoronaComponent *pComponent = pLight->Components().GetComponentOfBaseType<VCoronaComponent>();
if (pComponent != NULL && pComponent->IsEnabled() && !state.IsBitSet(pComponent->m_iIndex))
{
// The component is not in m_Candidates yet, so we check whether it is a valid candidate
bool bIsLightOnScreen = pComponent->IsValidCandidate(pContext);
if (bIsLightOnScreen)
{
state.SetBit(pComponent->m_iIndex);
pContext->SetPixelCounterResult(pComponent->m_CoronaPixelCounter.GetNumber(), 0);
state.m_Candidates.Append(pComponent);
}
}
}
}
}
// Forces the retrieval all pending queries.
pContext->FetchPixelCounterTestResults( (iCoronaUpdateFlags & VCUF_FORCE_FETCH) > 0 );
// Retrieve Queries and update status of lens flares
if ((iCoronaUpdateFlags & VCUF_UPDATE) > 0)
{
for (int i=0; i < state.m_Candidates.GetSize(); ++i)
{
VCoronaCandidate& coronaCandidate = state.m_Candidates.ElementAt(i);
VCoronaComponent* pCorona = coronaCandidate.m_pCorona;
if (!pCorona || !pCorona->IsEnabled())
continue;
if (pCorona->GetOwner())
{
// Retrieve occlusion results of the last query
unsigned int iElementIndex = pCorona->m_CoronaPixelCounter.GetNumber();
bool bRes = !pContext->IsPixelCounterQueryInProgress(iElementIndex);
// Reschedule query if the old on could be retrieved or if a teleport forces us to re-query everything.
if (bRes | ((iCoronaUpdateFlags & VCUF_FORCE_SCHEDULE) > 0) )
pContext->SchedulePixelCounterTest(iElementIndex);
unsigned int iDrawnPixels = pContext->GetPixelCounterResult(iElementIndex) / iTexelsPerPixel;
float fVisibility = (float)iDrawnPixels / ((int)pCorona->QueryRadius * (int)pCorona->QueryRadius * 4);
// ATI fix for random insanely high return values.
if (iDrawnPixels > ((unsigned int)pCorona->QueryRadius * 2 + 1) * ((unsigned int)pCorona->QueryRadius * 2 + 1))
{
fVisibility = coronaCandidate.m_fLastVisibilityQuery;
}
if ((iCoronaUpdateFlags & VCUF_FORCE_FETCH) > 0)
{
// Force lens flare visibility to the current query value.
coronaCandidate.m_fCurrentVisibility = fVisibility;
coronaCandidate.m_fLastVisibilityQuery = fVisibility;
pCorona->UpdateVisibility(coronaCandidate.m_fLastVisibilityQuery, coronaCandidate.m_fCurrentVisibility);
}
else if (!m_bTeleportedLastFrame)
{
coronaCandidate.m_fLastVisibilityQuery = fVisibility;
pCorona->UpdateVisibility(coronaCandidate.m_fLastVisibilityQuery, coronaCandidate.m_fCurrentVisibility);
}
else
{
// if we were teleported, the last frame's query results must be invalidated
coronaCandidate.m_fCurrentVisibility = 0.0f;
coronaCandidate.m_fLastVisibilityQuery = 0.0f;
}
}
}
}
// Removes coronas that are outside the frustum and no longer visible.
if ((iCoronaUpdateFlags & VCUF_REMOVE) > 0)
{
for (int i=0; i < state.m_Candidates.GetSize();)
{
VCoronaCandidate& coronaCandidate = state.m_Candidates.ElementAt(i);
VCoronaComponent* pCorona = coronaCandidate.m_pCorona;
unsigned int iElementIndex = pCorona->m_CoronaPixelCounter.GetNumber();
// If the visibility reached zero and the corona is no longer potentially visible it is removed from the list
if (!pCorona->IsEnabled() || !pCorona->GetOwner()
|| (pCorona->GetVisibleBitmask() & iRenderFilterMask) == 0
|| (((VisLightSource_cl*)pCorona->GetOwner())->GetVisibleBitmask() & iRenderFilterMask) == 0
|| ( coronaCandidate.m_fCurrentVisibility == 0.0f && !pCorona->IsValidCandidate(pContext) ) )
{
state.RemoveBit(pCorona->m_iIndex);
state.m_Candidates.SetAt(i, state.m_Candidates.GetAt(state.m_Candidates.GetSize()-1) );
state.m_Candidates.RemoveAt(state.m_Candidates.GetSize() -1);
// Reset cache to zero, so we don't see the lens flare once it enters the frustum again.
pContext->SetPixelCounterResult(iElementIndex, 0);
}
else
{
++i;
}
}
}
#endif
}
void VTimeOfDayComponent::UpdateParent()
{
VTimeOfDay *pTimeOfDayInterface = (VTimeOfDay*)Vision::Renderer.GetTimeOfDayHandler();
if (pTimeOfDayInterface == NULL)
return;
VisObject3D_cl *pOwnerObject = (VisObject3D_cl *)m_pOwner;
VASSERT(pOwnerObject);
hkvVec3 vDirection(hkvNoInitialization);
pTimeOfDayInterface->GetSunDirection(vDirection);
// The Moon and back light direction is calculated from the Sun direction
if (AttachmentType == TIMEOFDAY_ATTACHMENT_MOONLIGHTSOURCE)
{
vDirection = -vDirection;
}
else if(AttachmentType == TIMEOFDAY_ATTACHMENT_SUNBACKLIGHTSOURCE)
{
vDirection.x = -vDirection.x;
vDirection.y = -vDirection.y;
}
if (AttachmentType != TIMEOFDAY_ATTACHMENT_ENABLEDATNIGHTLIGHTSOURCE)
{
pOwnerObject->SetDirection(vDirection);
}
if (AttachmentType == TIMEOFDAY_ATTACHMENT_CORONALIGHTSOURCE)
{
// TODO (multiple renderer nodes)
IVRendererNode *pRenderer = Vision::Renderer.GetRendererNode(0);
float fNear, fFar;
pRenderer->GetReferenceContext()->GetClipPlanes(fNear, fFar);
hkvVec3 vCamPos = pRenderer->GetReferenceContext()->GetCamera()->GetPosition();
hkvVec3 vCoronaPos = -vDirection;
vCoronaPos *= 0.95f * fFar;
vCoronaPos += vCamPos;
pOwnerObject->SetPosition(vCoronaPos);
}
// Set the color and intensity of the light
if (m_bIsLightClass)
{
VisLightSource_cl *pLight = (VisLightSource_cl*)m_pOwner;
VColorRef color;
float intensity = 0.0f;
switch (AttachmentType)
{
case TIMEOFDAY_ATTACHMENT_ENABLEDATNIGHTLIGHTSOURCE:
{
color = m_iColor;
const float fMarginNearHorizon = 0.1f; //10% - Margin above the horizon to switch lights ON/OFF
const float fBelowHorizonMultiplier = hkvMath::Max(-vDirection.z + fMarginNearHorizon, 0.0f);
intensity = 1.0f - hkvMath::Min(1.0f, fBelowHorizonMultiplier);
break;
}
case TIMEOFDAY_ATTACHMENT_CORONALIGHTSOURCE:
{
color = pTimeOfDayInterface->GetSunColor();
hkvVec3 vSunColorFloat = color.ToFloat();
float fLargestComponent = hkvMath::Max(hkvMath::Max(vSunColorFloat.x, vSunColorFloat.y), vSunColorFloat.z);
if (fLargestComponent > 0.0f)
{
color.FromFloat(vSunColorFloat / fLargestComponent);
}
intensity = 0.0f;
break;
}
case TIMEOFDAY_ATTACHMENT_SUNLIGHTSOURCE:
{
color = pTimeOfDayInterface->GetSunColor();
intensity = pTimeOfDayInterface->GetSunIntensity();
break;
}
case TIMEOFDAY_ATTACHMENT_SUNBACKLIGHTSOURCE:
{
color = pTimeOfDayInterface->GetBackLightColor();
intensity = pTimeOfDayInterface->GetBackLightIntensity();
break;
}
case TIMEOFDAY_ATTACHMENT_MOONLIGHTSOURCE:
{
color = pTimeOfDayInterface->GetMoonColor();
intensity = pTimeOfDayInterface->GetMoonIntensity();
break;
}
default:
VASSERT_MSG(0,"Unknown time of day attachment type");
}
pLight->SetColor(color);
pLight->SetMultiplier(intensity * Intensity);
}
}
void VFakeSpecularGenerator::OnDoRenderLoop(void *pUserData)
{
VFrustumMeshHelper::UpdateMeshBuffer(m_spMeshBuffer, Vision::Contexts.GetCurrentContext(), VFrustumMeshHelper::IN_WORLD_SPACE);
Vision::RenderLoopHelper.ClearScreen(VisRenderLoopHelper_cl::VCTF_All, VColorRef(0, 0, 0, 0));
VisRenderContext_cl* pContext = Vision::Contexts.GetCurrentContext();
const VisLightSrcCollection_cl* pLights = pContext->GetVisibilityCollector()->GetVisibleLights();
Vision::RenderLoopHelper.BeginMeshRendering();
Vision::RenderLoopHelper.ResetMeshStreams();
Vision::RenderLoopHelper.AddMeshStreams(m_spMeshBuffer, m_spShader->GetStreamMask () | VERTEX_STREAM_INDEXBUFFER);
for(unsigned int iLightIndex = 0; iLightIndex < pLights->GetNumEntries(); iLightIndex++)
{
VisLightSource_cl* pLight = pLights->GetEntry(iLightIndex);
if((pLight->GetVisibleBitmask() & pContext->GetRenderFilterMask()) == 0)
continue;
if(!pLight->GetUseSpecular())
continue;
hkvVec4 vDirection;
hkvVec3 vLightPositionRel = pLight->GetPosition() - pContext->GetCamera()->GetPosition();
hkvVec3 vLightDirection = pLight->GetDirection();
float fAttenuation = 1;
switch(pLight->GetType())
{
case VIS_LIGHT_DIRECTED:
vDirection = vLightDirection.getAsVec4(1.0f);
break;
case VIS_LIGHT_SPOTLIGHT:
{
vDirection = vLightDirection.getAsVec4(1.0f);
float fAngle = vLightPositionRel.getAngleBetween(-vLightDirection);
float fConeAngle = pLight->GetProjectionAngle();
fAttenuation = hkvMath::clamp((fConeAngle - fAngle) / fConeAngle, 0.0f, 1.0f);
float fDistance = vLightPositionRel.getLength();
float fRadius = pLight->GetRadius();
fAttenuation *= hkvMath::clamp((fRadius - fDistance) / fRadius, 0.0f, 1.0f);
}
break;
case VIS_LIGHT_POINT:
vDirection = (-vLightPositionRel).getNormalized().getAsVec4(1.0f);
float fDistance = vLightPositionRel.getLength();
float fRadius = pLight->GetRadius();
fAttenuation = hkvMath::clamp((fRadius - fDistance) / fRadius, 0.0f, 1.0f);
break;
}
hkvVec4 vColor = pLight->GetColor().getAsVec4() * pLight->GetMultiplier() * fAttenuation;
hkvVec4 vParams(m_fSpecularPower, 0, 0, 0);
m_spShader->GetConstantBuffer(VSS_PixelShader)->SetSingleParameterF("fLightDirection", vDirection.data);
m_spShader->GetConstantBuffer(VSS_PixelShader)->SetSingleParameterF("fLightColor", vColor.data);
m_spShader->GetConstantBuffer(VSS_PixelShader)->SetSingleParameterF("fParams", vParams.data);
Vision::RenderLoopHelper.RenderMeshes(m_spShader, VisMeshBuffer_cl::MB_PRIMTYPE_INDEXED_TRILIST, 0, 2, 6);
}
Vision::RenderLoopHelper.EndMeshRendering();
// Trigger pre-screenmask render hook to make the attached cubemap handle flip and blur the cubemap target
VisRenderHookDataObject_cl data(&Vision::Callbacks.OnRenderHook, VRH_PRE_SCREENMASKS);
Vision::Callbacks.OnRenderHook.TriggerCallbacks(&data);
}
