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;
}
bool ETHScene::GenerateLightmaps(const int id)
{
const ETHSpriteEntity *pRender = (id >= 0) ? m_buckets.SeekEntity(id) : 0;
const Vector2 v2Bucket = (pRender) ? ETHGlobal::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::const_iterator iEnd = bucketIter->second.end();
for (ETHEntityList::iterator iter = bucketIter->second.begin(); iter != iEnd; iter++)
{
// if nID is valid, let's try to generate the lightmap for this one and only entity
if (id >= 0)
if (id != (*iter)->GetID())
continue;
Vector2 v2Size(1,1);
Vector2 v2Origin(0,0);
if ((*iter)->GetSprite())
{
v2Size = (*iter)->GetCurrentSize();
v2Origin = (*iter)->ComputeOrigin(v2Size);
}
// Place the current entity at the top-left corner to align
// it to the render target
const Vector3 oldPos = (*iter)->GetPosition();
const Vector3 newPos = Vector3(v2Origin.x, v2Origin.y, 0);
// fill the light list
for (ETHBucketMap::iterator lbucketIter = m_buckets.GetFirstBucket(); lbucketIter != m_buckets.GetLastBucket(); lbucketIter++)
{
ETHEntityList::const_iterator liEnd = lbucketIter->second.end();
for (ETHEntityList::iterator liter = lbucketIter->second.begin(); liter != liEnd; liter++)
{
if ((*liter)->IsStatic() && (*liter)->HasLightSource())
{
AddLight(*((*liter)->GetLight()), newPos-oldPos+(*liter)->GetPosition());
}
}
}
ETHLightmapGen((*iter), m_provider->GetShaderManager(), m_lights.begin(), m_lights.end(),
m_buckets, oldPos, newPos, m_minSceneHeight, m_maxSceneHeight, m_sceneProps);
(*iter)->SetOrphanPosition(oldPos);
m_lights.clear();
}
}
#ifdef _DEBUG
ETH_STREAM_DECL(ss) << GS_L("Lightmaps created... ");
m_provider->Log(ss.str(), Platform::FileLogger::INFO);
#endif
return true;
}
