| 151 | } |
| 152 | |
| 153 | bool OverlayTree::Remove(ref_ptr<OverlayHandle> handle) |
| 154 | { |
| 155 | if (m_frameCounter == kInvalidFrame) |
| 156 | { |
| 157 | if (!IsEmpty()) |
| 158 | Clear(); |
| 159 | return true; |
| 160 | } |
| 161 | |
| 162 | if (IsInCache(handle)) |
| 163 | { |
| 164 | Clear(); |
| 165 | return true; |
| 166 | } |
| 167 | return false; |
| 168 | } |
| 169 | |
| 170 | void OverlayTree::Add(ref_ptr<OverlayHandle> handle) |
| 171 | { |