bool ETHScene::GenerateLightmaps(const int id)
{
if (!m_provider->IsRichLightingEnabled())
{
return false;
}
// save current global scale and temporarily set it to 1
const ETHGlobalScaleManagerPtr& scaleManager = m_provider->GetGlobalScaleManager();
const float globalScale = scaleManager->GetScale();
scaleManager->SetScaleFactor(1.0f);
const ETHSpriteEntity *pRender = (id >= 0) ? m_buckets.SeekEntity(id) : 0;
const Vector2 v2Bucket = (pRender) ? ETHBucketManager::GetBucket(pRender->GetPositionXY(), GetBucketSize()) : Vector2(0,0);
for (ETHBucketMap::iterator bucketIter = m_buckets.GetFirstBucket(); bucketIter != m_buckets.GetLastBucket(); ++bucketIter)
{
// if we're lighting only one entity and it is not in this bucket, skip it.
// I know we could have used the find method to go directly to that bucket
// but this function os not that critical to make the effort worth it.
if (id >= 0)
if (v2Bucket != bucketIter->first)
continue;
// iterate over all entities in this bucket
ETHEntityList& entityList = bucketIter->second;
ETHEntityList::const_iterator iEnd = entityList.end();
for (ETHEntityList::iterator iter = entityList.begin(); iter != iEnd; ++iter)
{
ETHRenderEntity* entity = (*iter);
// if nID is valid, let's try to generate the lightmap for this one and only entity
if (id >= 0)
if (id != entity->GetID())
continue;
Vector2 v2Size(1,1);
Vector2 v2AbsoluteOrigin(0,0);
if (entity->GetSprite())
{
v2Size = entity->GetCurrentSize();
v2AbsoluteOrigin = entity->ComputeAbsoluteOrigin(v2Size);
}
// Place the current entity at the top-left corner to align
// it to the render target
const Vector3 oldPos = entity->GetPosition();
const Vector3 newPos = Vector3(v2AbsoluteOrigin.x, v2AbsoluteOrigin.y, 0);
std::list<ETHLight> lights;
// fill the light list
for (ETHBucketMap::iterator lbucketIter = m_buckets.GetFirstBucket(); lbucketIter != m_buckets.GetLastBucket(); ++lbucketIter)
{
ETHEntityList& lEntityList = lbucketIter->second;
ETHEntityList::const_iterator liEnd = lEntityList.end();
for (ETHEntityList::iterator liter = lEntityList.begin(); liter != liEnd; ++liter)
{
ETHRenderEntity* lightEntity = (*liter);
if (lightEntity->IsStatic() && lightEntity->HasLightSource())
{
lights.push_back(
ETHEntityRenderingManager::BuildChildLight(
*(lightEntity->GetLight()),
newPos - oldPos + lightEntity->GetPosition(),
lightEntity->GetScale()));
}
}
}
if (lights.size() > 0)
{
ETHLightmapGen((*iter), m_provider->GetShaderManager(), lights.begin(), lights.end(),
m_buckets, oldPos, newPos, m_minSceneHeight, m_maxSceneHeight, m_sceneProps);
}
else
{
entity->ReleaseLightmap();
}
entity->SetOrphanPosition(oldPos);
lights.clear();
}
}
#if defined(_DEBUG) || defined(DEBUG)
ETH_STREAM_DECL(ss) << GS_L("Lightmaps created... ");
m_provider->Log(ss.str(), Platform::FileLogger::INFO);
#endif
// go back to the previous global scale
scaleManager->SetScaleFactor(globalScale);
return true;
}
// TODO-TO-DO: this method is too large...
bool ETHScene::RenderList(float &minHeight, float &maxHeight, SpritePtr pOutline, SpritePtr pInvisibleEntSymbol,
std::list<ETHRenderEntity*> &outParticles, std::list<ETHRenderEntity*> &outHalos, const bool roundUp)
{
// This multimap will store all entities contained in the visible buckets
// It will automatically sort entities to draw them in an "alpha friendly" order
std::multimap<float, ETHRenderEntity*> mmEntities;
// store the max and min height to assign when everything is drawn
maxHeight = m_maxSceneHeight;
minHeight = m_minSceneHeight;
m_nRenderedEntities = 0;
// don't let bucket size be equal to 0
assert(GetBucketSize().x != 0 || GetBucketSize().y != 0);
// Gets the list of visible buckets
std::list<Vector2> bucketList;
const Vector2& v2CamPos = m_provider->GetVideo()->GetCameraPos(); //for debugging pourposes
ETHGlobal::GetIntersectingBuckets(bucketList, v2CamPos,
m_provider->GetVideo()->GetScreenSizeF(), GetBucketSize(),
IsDrawingBorderBuckets(), IsDrawingBorderBuckets());
// Loop through all visible Buckets
for (std::list<Vector2>::iterator bucketPositionIter = bucketList.begin(); bucketPositionIter != bucketList.end(); bucketPositionIter++)
{
ETHBucketMap::iterator bucketIter = m_buckets.Find(*bucketPositionIter);
if (bucketIter == m_buckets.GetLastBucket())
continue;
if (bucketIter->second.empty())
continue;
ETHEntityList::const_iterator iEnd = bucketIter->second.end();
for (ETHEntityList::iterator iter = bucketIter->second.begin(); iter != iEnd; iter++)
{
ETHSpriteEntity *pRenderEntity = (*iter);
// update scene bounding for depth buffer
maxHeight = Max(maxHeight, pRenderEntity->GetMaxHeight());
minHeight = Min(minHeight, pRenderEntity->GetMinHeight());
if (pRenderEntity->IsHidden())
continue;
// fill the light list for this frame
// const ETHEntityFile &entity = pRenderEntity->GetData()->entity;
if (pRenderEntity->HasLightSource())
{
ETHLight light = *(pRenderEntity->GetLight());
// if it has a particle system in the first slot, adjust the light
// brightness according to the number os active particles
if (pRenderEntity->GetParticleManager(0) && !pRenderEntity->IsStatic())
{
boost::shared_ptr<ETHParticleManager> paticleManager = pRenderEntity->GetParticleManager(0);
light.color *=
static_cast<float>(paticleManager->GetNumActiveParticles()) /
static_cast<float>(paticleManager->GetNumParticles());
}
AddLight(light, pRenderEntity->GetPosition());
}
// add this entity to the multimap to sort it for an alpha-friendly rendering list
const Vector3& v3Pos = pRenderEntity->GetPosition();
const ETH_ENTITY_TYPE type = pRenderEntity->GetType();
const float depth = pRenderEntity->ComputeDepth(maxHeight, minHeight);
const float drawHash = ComputeDrawHash(depth, v2CamPos, v3Pos, type);
// add the entity to the render map
mmEntities.insert(std::pair<float, ETHRenderEntity*>(drawHash, *iter));
m_nRenderedEntities++;
}
}
// Draw visible entities ordered in an alpha-friendly map
for (std::multimap<float, ETHRenderEntity*>::iterator iter = mmEntities.begin(); iter != mmEntities.end(); iter++)
{
ETHRenderEntity *pRenderEntity = (iter->second);
m_provider->GetShaderManager()->BeginAmbientPass(pRenderEntity, maxHeight, minHeight);
// draws the ambient pass and if we're at the editor, draw the collision box if it's an invisible entity
#ifdef _ETHANON_EDITOR
if (pOutline && pRenderEntity->IsInvisible() && pRenderEntity->Collidable())
{
pRenderEntity->DrawCollisionBox(true, pOutline, GS_WHITE, maxHeight, minHeight, m_sceneProps.zAxisDirection);
}
#endif
m_provider->GetVideo()->RoundUpPosition(roundUp);
pRenderEntity->DrawAmbientPass(m_maxSceneHeight, m_minSceneHeight, (m_enableLightmaps && m_showingLightmaps), m_sceneProps);
// draw "invisible entity symbol" if we're in the editor
#ifdef _ETHANON_EDITOR
if (pOutline)
{
if (pRenderEntity->IsInvisible() && pRenderEntity->Collidable())
{
pRenderEntity->DrawCollisionBox(false, pOutline, GS_WHITE, maxHeight, minHeight, m_sceneProps.zAxisDirection);
}
if (pRenderEntity->IsInvisible() && !pRenderEntity->Collidable())
{
const float depth = m_provider->GetVideo()->GetSpriteDepth();
m_provider->GetVideo()->SetSpriteDepth(1.0f);
pInvisibleEntSymbol->Draw(pRenderEntity->GetPositionXY());
m_provider->GetVideo()->SetSpriteDepth(depth);
}
}
#endif
// fill the halo list
// const ETHEntityFile &entity = pRenderEntity->GetData()->entity;
if (pRenderEntity->HasLightSource() && pRenderEntity->GetHalo())
{
outHalos.push_back(pRenderEntity);
}
// fill the particle list for this frame
if (pRenderEntity->HasParticleSystems())
{
outParticles.push_back(pRenderEntity);
}
// fill the callback list
m_tempEntities.AddCallbackWhenEligible(pRenderEntity);
m_provider->GetShaderManager()->EndAmbientPass();
//draw light pass
for (std::list<ETHLight>::iterator iter = m_lights.begin(); iter != m_lights.end(); iter++)
{
if (!pRenderEntity->IsHidden())
{
if (!(pRenderEntity->IsStatic() && iter->staticLight && m_enableLightmaps))
{
m_provider->GetVideo()->RoundUpPosition(roundUp);
if (m_provider->GetShaderManager()->BeginLightPass(pRenderEntity, &(*iter), m_maxSceneHeight, m_minSceneHeight, GetLightIntensity()))
{
pRenderEntity->DrawLightPass(GetZAxisDirection());
m_provider->GetShaderManager()->EndLightPass();
m_provider->GetVideo()->RoundUpPosition(false);
if (AreRealTimeShadowsEnabled())
{
if (m_provider->GetShaderManager()->BeginShadowPass(pRenderEntity, &(*iter), m_maxSceneHeight, m_minSceneHeight))
{
pRenderEntity->DrawShadow(m_maxSceneHeight, m_minSceneHeight, m_sceneProps, *iter, 0);
m_provider->GetShaderManager()->EndShadowPass();
}
}
m_provider->GetVideo()->RoundUpPosition(roundUp);
}
}
}
}
}
mmEntities.clear();
m_nCurrentLights = m_lights.size();
// Show the buckets outline in debug mode
#if defined _DEBUG || defined _ETHANON_EDITOR
if (m_provider->GetInput()->IsKeyDown(GSK_PAUSE))
{
DrawBucketOutlines();
}
#endif
return true;
}
