void CClientLeafSystem::ProjectFlashlight( ClientLeafShadowHandle_t handle, const VMatrix &worldToShadow )
{
// Remove the shadow from any leaves it current exists in
RemoveShadowFromLeaves( handle );
RemoveShadowFromRenderables( handle );
Assert( ( m_Shadows[handle].m_Flags & SHADOW_FLAGS_PROJECTED_TEXTURE_TYPE_MASK ) == SHADOW_FLAGS_FLASHLIGHT );
// This will help us to avoid adding the shadow multiple times to a renderable
++m_ShadowEnum;
// Use an AABB around the frustum to enumerate leaves.
Vector mins, maxs;
CalculateAABBFromProjectionMatrix( worldToShadow, &mins, &maxs );
CShadowLeafEnum leafEnum;
ISpatialQuery* pQuery = engine->GetBSPTreeQuery();
pQuery->EnumerateLeavesInBox( mins, maxs, &leafEnum, handle );
}
void CClientLeafSystem::InsertIntoTree( ClientRenderHandle_t handle )
{
// When we insert into the tree, increase the shadow enumerator
// to make sure each shadow is added exactly once to each renderable
++m_ShadowEnum;
// NOTE: The render bounds here are relative to the renderable's coordinate system
IClientRenderable* pRenderable = m_Renderables[handle].m_pRenderable;
Vector absMins, absMaxs;
CalcRenderableWorldSpaceAABB_Fast( pRenderable, absMins, absMaxs );
Assert( absMins.IsValid() && absMaxs.IsValid() );
ISpatialQuery* pQuery = engine->GetBSPTreeQuery();
pQuery->EnumerateLeavesInBox( absMins, absMaxs, this, handle );
// Cache off the area it's sitting in.
m_Renderables[handle].m_Area = GetRenderableArea( handle );
}
bool CBSPTreeData::EnumerateLeavesInBox( Vector const& mins, Vector const& maxs, ISpatialLeafEnumerator* pEnum, int context )
{
return m_pBSPTree->EnumerateLeavesInBox( mins, maxs, pEnum, context );
}
void CBSPTreeData::InsertIntoTree( BSPTreeDataHandle_t handle, Vector const& mins, Vector const& maxs )
{
m_pBSPTree->EnumerateLeavesInBox( mins, maxs, this, handle );
}