static void PreferencesGUI()
{
EditorGUILayout.BeginVertical();
EditorGUILayout.Space();
#if HAS_MINIMUM_REQUIRED_VERSION
// Max execution time
{
var label = new GUIContent("Max Execution Time (ms)",
"One of the features of AutoLOD is to keep the editor running responsively, so it’s possible to set"
+ "the max execution time for coroutines that run. AutLOD will spawn LOD generators on separate "
+ "threads, however, some generators may require main thread usage for accessing non thread-safe "
+ "Unity data structures and classes.");
if (maxExecutionTime == 0)
{
EditorGUILayout.BeginHorizontal();
if (!EditorGUILayout.Toggle(label, true))
{
maxExecutionTime = 1;
}
GUILayout.Label("Infinity");
GUILayout.FlexibleSpace();
EditorGUILayout.EndHorizontal();
}
else
{
EditorGUI.BeginChangeCheck();
var maxTime = EditorGUILayout.IntSlider(label, maxExecutionTime, 0, 15);
if (EditorGUI.EndChangeCheck())
{
maxExecutionTime = maxTime;
}
}
}
// Mesh simplifier
{
var type = meshSimplifierType;
if (type != null)
{
var label = new GUIContent("Default Mesh Simplifier", "All simplifiers (IMeshSimplifier) are "
+ "enumerated and provided here for selection. By allowing for multiple implementations, "
+ "different approaches can be compared. The default mesh simplifier is used to generate LODs "
+ "on import and when explicitly called.");
var displayedOptions = meshSimplifiers.Select(t => t.Name).ToArray();
EditorGUI.BeginChangeCheck();
var selected = EditorGUILayout.Popup(label, Array.IndexOf(displayedOptions, type.Name), displayedOptions);
if (EditorGUI.EndChangeCheck())
{
meshSimplifierType = meshSimplifiers[selected];
}
if (meshSimplifierType != null && typeof(IMeshSimplifier).IsAssignableFrom(meshSimplifierType))
{
if (s_SimplifierPreferences == null || s_SimplifierPreferences.GetType() != meshSimplifierType)
{
s_SimplifierPreferences = (IPreferences)Activator.CreateInstance(meshSimplifierType);
}
if (s_SimplifierPreferences != null)
{
EditorGUI.indentLevel++;
s_SimplifierPreferences.OnPreferencesGUI();
EditorGUI.indentLevel--;
}
}
}
else
{
EditorGUILayout.HelpBox("No IMeshSimplifiers found!", MessageType.Warning);
}
}
// Batcher
{
var type = batcherType;
if (type != null)
{
var label = new GUIContent("Default Batcher", "All simplifiers (IMeshSimplifier) are "
+ "enumerated and provided here for selection. By allowing for multiple implementations, "
+ "different approaches can be compared. The default batcher is used in HLOD generation when "
+ "combining objects that are located within the same LODVolume.");
var displayedOptions = batchers.Select(t => t.Name).ToArray();
EditorGUI.BeginChangeCheck();
var selected = EditorGUILayout.Popup(label, Array.IndexOf(displayedOptions, type.Name), displayedOptions);
if (EditorGUI.EndChangeCheck())
{
batcherType = batchers[selected];
}
}
else
{
EditorGUILayout.HelpBox("No IBatchers found!", MessageType.Warning);
}
}
// Max LOD
{
var label = new GUIContent("Maximum LOD Generated", "Controls the depth of the generated LOD chain");
var maxLODValues = Enumerable.Range(0, LODData.MaxLOD + 1).ToArray();
EditorGUI.BeginChangeCheck();
int maxLODGenerated = EditorGUILayout.IntPopup(label, maxLOD,
maxLODValues.Select(v => new GUIContent(v.ToString())).ToArray(), maxLODValues);
if (EditorGUI.EndChangeCheck())
{
maxLOD = maxLODGenerated;
}
}
// Control LOD0 maximum poly count
{
var label = new GUIContent("Initial LOD Max Poly Count", "In the case where non realtime-ready assets "
+ "are brought into Unity these would normally perform poorly. Being able to set a max poly count "
+ "for LOD0 allows even the largest of meshes to import with performance-minded defaults.");
EditorGUI.BeginChangeCheck();
var maxPolyCount = EditorGUILayout.IntField(label, initialLODMaxPolyCount);
if (EditorGUI.EndChangeCheck())
{
initialLODMaxPolyCount = maxPolyCount;
}
}
// Generate LODs on import
{
var label = new GUIContent("Generate on Import", "Controls whether automatic LOD generation will happen "
+ "on import. Even if this option is disabled it is still possible to generate LOD chains "
+ "individually on individual files.");
EditorGUI.BeginChangeCheck();
var generateLODsOnImport = EditorGUILayout.Toggle(label, generateOnImport);
if (EditorGUI.EndChangeCheck())
{
generateOnImport = generateLODsOnImport;
}
}
// Turn off/on saving assets (performance feature
{
var label = new GUIContent("Save Assets",
"This can speed up performance, but may cause errors with some simplifiers");
EditorGUI.BeginChangeCheck();
var saveAssetsOnImport = EditorGUILayout.Toggle(label, saveAssets);
if (EditorGUI.EndChangeCheck())
{
saveAssets = saveAssetsOnImport;
}
}
// Use SceneLOD?
{
var label = new GUIContent("Scene LOD", "Enable Hierarchical LOD (HLOD) support for scenes, "
+ "which will automatically generate and stay updated in the background.");
EditorGUI.BeginChangeCheck();
var enabled = EditorGUILayout.Toggle(label, sceneLODEnabled);
if (EditorGUI.EndChangeCheck())
{
sceneLODEnabled = enabled;
}
if (sceneLODEnabled)
{
label = new GUIContent("Show Volume Bounds", "This will display the bounds visually of the bounding "
+ "volume hierarchy (currently an Octree)");
EditorGUI.indentLevel++;
EditorGUI.BeginChangeCheck();
var showBounds = EditorGUILayout.Toggle(label, showVolumeBounds);
if (EditorGUI.EndChangeCheck())
{
showVolumeBounds = showBounds;
}
var sceneLOD = SceneLOD.instance;
EditorGUILayout.HelpBox(string.Format("Coroutine Queue: {0}\nCurrent Execution Time: {1:0.00} s", sceneLOD.coroutineQueueRemaining, sceneLOD.coroutineCurrentExecutionTime * 0.001f), MessageType.None);
// Force more frequent updating
var mouseOverWindow = EditorWindow.mouseOverWindow;
if (mouseOverWindow)
{
mouseOverWindow.Repaint();
}
EditorGUI.indentLevel--;
}
}
#else
EditorGUILayout.HelpBox(k_MinimumRequiredVersion, MessageType.Warning);
#endif
EditorGUILayout.EndVertical();
}