Initial commit of current work on Prime World Editor

UI/CNodeSelection.cpp

@@ -0,0 +1,58 @@
+#include "CNodeSelection.h"
+
+CSceneSelection::CSceneSelection(CSceneManager *pScene)
+{
+    mpScene = pScene;
+}
+
+void CSceneSelection::SelectNode(CSceneNode *pNode)
+{
+    // There shouldn't be more than one selection per scene, so this should be safe.
+    if (!pNode->IsSelected())
+    {
+        pNode->SetSelected(true);
+        mSelectedNodes.push_back(pNode);
+    }
+}
+
+void CSceneSelection::DeselectNode(CSceneNode *pNode)
+{
+    if (pNode->IsSelected())
+    {
+        pNode->SetSelected(false);
+
+        for (auto it = mSelectedNodes.begin(); it != mSelectedNodes.end(); it++)
+        {
+            if (*it == pNode)
+            {
+                mSelectedNodes.erase(it);
+                break;
+            }
+        }
+    }
+}
+
+u32 CSceneSelection::SelectionSize()
+{
+    return mSelectedNodes.size();
+}
+
+CSceneNode* CSceneSelection::NodeByIndex(u32 Index)
+{
+    if (Index >= SelectionSize()) return nullptr;
+    return mSelectedNodes[Index];
+}
+
+void CSceneSelection::ClearSelection()
+{
+    for (auto it = mSelectedNodes.begin(); it != mSelectedNodes.end(); it++)
+        (*it)->SetSelected(false);
+
+    mSelectedNodes.clear();
+}
+
+// ************ OPERATORS ************
+CSceneNode* CSceneSelection::operator[](u32 Index)
+{
+    return NodeByIndex(Index);
+}