private void OnGUI()
{
var initiallyEnabled = GUI.enabled;
if (m_SelectedLOD >= m_NumberOfLODs)
{
m_SelectedLOD = m_NumberOfLODs - 1;
}
GUILayout.BeginVertical();
GUILayout.Space(28);
var sliderBarPosition = GUILayoutUtility.GetRect(0, LODGUI.kSliderBarHeight, GUILayout.ExpandWidth(true));
var lods = LODGUI.CreateLODInfos(m_NumberOfLODs, sliderBarPosition,
i => string.Format("LOD {0}", i),
i => m_LODs[i].screenRelativeHeight);
DrawLODLevelSlider(sliderBarPosition, lods);
GUILayout.Space(LODGUI.kSliderBarBottomMargin);
if (QualitySettings.lodBias != 1.0f)
{
EditorGUILayout.HelpBox(string.Format("Active LOD bias is {0:0.0#}. Distances are adjusted accordingly.", QualitySettings.lodBias), MessageType.Warning);
}
GUILayout.Space(8);
GUILayout.Label(m_SelectedLOD < 0 ? "Culled" : "LOD " + m_SelectedLOD, LODGUI.selectStyle);
GUILayout.Space(8);
if (m_SelectedLOD >= 0)
{
m_LODs[m_SelectedLOD].GUI();
}
GUILayout.EndVertical();
}
public static float GetCameraPercent(Vector2 position, Rect sliderRect)
{
var percentage = Mathf.Clamp(1.0f - (position.x - sliderRect.x) / sliderRect.width, 0.01f, 1.0f);
percentage = LODGUI.LinearizeScreenPercentage(percentage);
return(percentage);
}
private void DrawLODLevelSlider(Rect sliderPosition, List <LODGUI.LODInfo> lods)
{
int sliderId = GUIUtility.GetControlID(m_LODSliderId, FocusType.Passive);
int camerId = GUIUtility.GetControlID(m_CameraSliderId, FocusType.Passive);
Event evt = Event.current;
switch (evt.GetTypeForControl(sliderId))
{
case EventType.Repaint:
{
LODGUI.DrawLODSlider(sliderPosition, lods, activeLOD);
break;
}
case EventType.MouseDown:
{
if (evt.button == 1 && sliderPosition.Contains(evt.mousePosition)) // right click
{
float cameraPercent = LODGUI.GetCameraPercent(evt.mousePosition, sliderPosition);
var pm = new GenericMenu();
if (lods.Count >= 8)
{
pm.AddDisabledItem(EditorGUIUtility.TrTextContent("Insert Before"));
}
else
{
pm.AddItem(EditorGUIUtility.TrTextContent("Insert Before"), false,
new LODAction(lods, cameraPercent, evt.mousePosition, m_LODs, InsertLod).InsertLOD);
}
// culled region
bool disabledRegion = !(lods.Count > 0 && lods[lods.Count - 1].RawScreenPercent < cameraPercent);
if (disabledRegion)
{
pm.AddDisabledItem(EditorGUIUtility.TrTextContent("Delete"));
}
else
{
pm.AddItem(EditorGUIUtility.TrTextContent("Delete"), false,
new LODAction(lods, cameraPercent, evt.mousePosition, m_LODs, DeletedLOD).DeleteLOD);
}
pm.ShowAsContext();
bool selected = false;
foreach (var lod in lods)
{
if (lod.m_RangePosition.Contains(evt.mousePosition))
{
m_SelectedLOD = lod.LODLevel;
selected = true;
break;
}
}
if (!selected)
{
m_SelectedLOD = -1;
}
evt.Use();
break;
}
// edge buttons overflow by 5 pixels
var barPosition = sliderPosition;
barPosition.x -= 5;
barPosition.width += 10;
if (barPosition.Contains(evt.mousePosition))
{
evt.Use();
GUIUtility.hotControl = sliderId;
bool clickedButton = false;
lods.OrderByDescending(x => x.LODLevel);
foreach (var lod in lods)
{
if (lod.m_ButtonPosition.Contains(evt.mousePosition))
{
m_SelectedLODSlider = lod.LODLevel;
clickedButton = true;
m_cameraPercent = lod.RawScreenPercent + 0.001f;
// Bias by 0.1% so that there is no skipping when sliding
BeginLODDrag();
break;
}
}
if (!clickedButton)
{
foreach (var lod in lods)
{
if (lod.m_RangePosition.Contains(evt.mousePosition))
{
m_SelectedLODSlider = -1;
m_SelectedLOD = lod.LODLevel;
break;
}
}
}
}
break;
}
case EventType.MouseDrag:
{
if (GUIUtility.hotControl == sliderId && m_SelectedLODSlider >= 0 && lods[m_SelectedLODSlider] != null)
{
evt.Use();
var cameraPercent = LODGUI.GetCameraPercent(evt.mousePosition, sliderPosition);
// Bias by 0.1% so that there is no skipping when sliding
LODGUI.SetSelectedLODLevelPercentage(cameraPercent - 0.001f, m_SelectedLODSlider, lods);
m_LODs[m_SelectedLODSlider].screenRelativeHeight = cameraPercent;
UpdateLODDrag();
}
break;
}
case EventType.MouseUp:
{
if (GUIUtility.hotControl == sliderId)
{
GUIUtility.hotControl = 0;
m_SelectedLODSlider = -1;
EndLODDrag();
evt.Use();
}
break;
}
case EventType.DragUpdated:
case EventType.DragPerform:
{
var lodLevel = -2;
foreach (var lod in lods)
{
if (lod.m_RangePosition.Contains(evt.mousePosition))
{
lodLevel = lod.LODLevel;
break;
}
}
if (lodLevel >= 0)
{
m_SelectedLOD = lodLevel;
DragAndDrop.visualMode = DragAndDropVisualMode.Copy;
if (DragAndDrop.objectReferences.Count() > 0)
{
if (evt.type == EventType.DragPerform)
{
var selectedGameObjects = from go in DragAndDrop.objectReferences
where go as GameObject != null
select go as GameObject;
if (selectedGameObjects.Count() > 0)
{
var go = selectedGameObjects.First();
if (go != null)
{
m_LODs[m_SelectedLOD].Drop(go);
UpdateBehavic();
Debug.Log("drop lod: " + m_SelectedLOD + " " + go.name);
}
}
DragAndDrop.AcceptDrag();
}
evt.Use();
}
}
break;
}
case EventType.DragExited:
{
evt.Use();
break;
}
}
var cameraRect = LODGUI.CalcLODButton(sliderPosition, LODGUI.DelinearizeScreenPercentage(m_cameraPercent));
var cameraIconRect = new Rect(cameraRect.center.x - 15, cameraRect.y - 25, 32, 32);
var cameraLineRect = new Rect(cameraRect.center.x - 1, cameraRect.y, 2, cameraRect.height);
var cameraPercentRect = new Rect(cameraIconRect.center.x - 5, cameraLineRect.yMax, 35, 20);
switch (evt.GetTypeForControl(camerId))
{
case EventType.Repaint:
{
var colorCache = GUI.backgroundColor;
GUI.backgroundColor = new Color(colorCache.r, colorCache.g, colorCache.b, 0.8f);
LODGUI.Styles.m_LODCameraLine.Draw(cameraLineRect, false, false, false, false);
GUI.backgroundColor = colorCache;
GUI.Label(cameraIconRect, LODGUI.Styles.m_CameraIcon, GUIStyle.none);
LODGUI.Styles.m_LODSliderText.Draw(cameraPercentRect, String.Format("{0:0}%", Mathf.Clamp01(m_cameraPercent) * 100.0f), false, false, false, false);
break;
}
case EventType.MouseDown:
{
if (cameraIconRect.Contains(evt.mousePosition))
{
evt.Use();
var cameraPercent = LODGUI.GetCameraPercent(evt.mousePosition, sliderPosition);
UpdateSelectedLODFromCamera(lods, cameraPercent);
GUIUtility.hotControl = camerId;
BeginLODDrag();
}
break;
}
case EventType.MouseDrag:
{
if (GUIUtility.hotControl == camerId)
{
evt.Use();
m_cameraPercent = LODGUI.GetCameraPercent(evt.mousePosition, sliderPosition);
UpdateSelectedLODFromCamera(lods, m_cameraPercent);
UpdateLODDrag();
}
break;
}
case EventType.MouseUp:
{
if (GUIUtility.hotControl == camerId)
{
EndLODDrag();
GUIUtility.hotControl = 0;
evt.Use();
}
break;
}
}
}