static void Init()
{
// Get existing open window or if none, make a new one:
ObjectSpawner m_thisWindow = (ObjectSpawner)EditorWindow.GetWindow(typeof(ObjectSpawner));
m_thisWindow.minSize = m_minWindowSize;
m_thisWindow.Show();
}
void OnGUI()
{
if (m_thisWindow == null)
{
m_thisWindow = (ObjectSpawner)EditorWindow.GetWindow(typeof(ObjectSpawner));
}
if (m_thisWindow != null)
{
m_thisWindow.minSize = m_minWindowSize;
}
//selectedStyle = EditorStyles.miniButton;
//selectedStyle.normal.background = Texture2D.blackTexture;
GUILayout.Label("Jack's Custom Instancing Manager", EditorStyles.boldLabel);
EditorGUILayout.Space();
int registeredCount = SceneViewInstancing.m_registeredInstancedAssets.Count;
for (int i = 0; i < registeredCount; i++)
{
IndirectInstancedAsset asset = SceneViewInstancing.m_registeredInstancedAssets[i];
if (!m_activeIcons.Exists(x => x.asset == asset))
{
SelectableIcon newIcon = new SelectableIcon();
newIcon.asset = asset;
newIcon.icon = null;
newIcon.isSelected = false;
m_activeIcons.Add(newIcon);
}
}
//repaint unloaded icons and remove icons of assets that are no longer active in the scene
for (int i = 0; i < m_activeIcons.Count; i++)
{
Mesh instancedObject = m_activeIcons[i].asset.m_LodSettings[0].mesh;
if (instancedObject != null)
{
bool isLoadingAssetPreview = AssetPreview.IsLoadingAssetPreview(instancedObject.GetInstanceID());
SelectableIcon icon = m_activeIcons[i];
icon.icon = AssetPreview.GetAssetPreview(instancedObject);
if (!icon.icon)
{
// We have a static preview it just hasn't been loaded yet. Repaint until we have it loaded.
if (isLoadingAssetPreview)
{
Repaint();
}
icon.icon = AssetPreview.GetMiniThumbnail(instancedObject);
}
m_activeIcons[i] = icon; //we cannot modify 1 part of a struct, we need to make a copy, modify it, then set the original to the copy
}
IndirectInstancedAsset asset = m_activeIcons[i].asset;
if (!SceneViewInstancing.m_registeredInstancedAssets.Contains(asset))
{
m_activeIcons.RemoveAt(i);
}
}
int windowWidth = (int)EditorGUIUtility.currentViewWidth;
int numColumns = Mathf.FloorToInt(windowWidth / m_buttonDimension);
int numRows = Mathf.CeilToInt((float)registeredCount / numColumns);
GUILayout.BeginArea(new Rect(10, 40, numColumns * m_buttonDimension, numRows * m_buttonDimension), Texture2D.whiteTexture, EditorStyles.helpBox);
for (int i = 0; i < m_activeIcons.Count; i++)
{
if (i % numColumns == 0)
{
GUILayout.BeginHorizontal();
}
SelectableIcon icon = m_activeIcons[i];
if (icon.isSelected)
{
GUI.backgroundColor = Color.blue;
}
else
{
GUI.backgroundColor = Color.white;
}
if (GUILayout.Button(icon.icon, GUILayout.Width(64), GUILayout.Height(64)))
{
icon.isSelected = !icon.isSelected;
m_activeIcons[i] = icon;
Debug.Log(icon.isSelected);
}
if (i % numColumns == (numColumns - 1))
{
GUILayout.EndHorizontal();
}
}
GUILayout.EndArea();
}