public static void ShowAsDropDown(Rect buttonRect, int mask, Action<int> onClose)
{
window = ScriptableObject.CreateInstance<LayerMaskWindow>();
window.wantsMouseMove = true;
LayerMaskWindow.mask = mask;
LayerMaskWindow.onClose = onClose;
layerNames.SetValues(null);
hover = -1;
int count = 0;
string name;
for(int i=0; i<32; i++)
{
name = LayerMask.LayerToName(i);
if(!string.IsNullOrEmpty(name))
{
layerNames[i] = ' ' + name;
count++;
}
}
size.x = buttonRect.x;
size.y = buttonRect.y;
size = EditorGUIUtility.GUIToScreenPoint(size);
buttonRect.x = size.x;
buttonRect.y = size.y;
size.x = windowWidth;
size.y = buttonHeight + lineHeight * count + 4 * interval;
window.ShowAsDropDown(buttonRect, size);
}
public static void ShowAsDropDown(Rect buttonRect, int mask, Action <int> onClose)
{
window = ScriptableObject.CreateInstance <LayerMaskWindow>();
window.wantsMouseMove = true;
LayerMaskWindow.mask = mask;
LayerMaskWindow.onClose = onClose;
layerNames.SetValues(null);
hover = -1;
int count = 0;
string name;
for (int i = 0; i < 32; i++)
{
name = LayerMask.LayerToName(i);
if (!string.IsNullOrEmpty(name))
{
layerNames[i] = ' ' + name;
count++;
}
}
size.x = buttonRect.x;
size.y = buttonRect.y;
size = EditorGUIUtility.GUIToScreenPoint(size);
buttonRect.x = size.x;
buttonRect.y = size.y;
size.x = windowWidth;
size.y = buttonHeight + lineHeight * count + 4 * interval;
window.ShowAsDropDown(buttonRect, size);
}
// 层掩码绘制
public static void LayerMaskField(Rect rect, GUIContent label, int mask, Action <int> onClose)
{
string text = null;
if (mask == 0)
{
text = "Nothing";
}
else if (mask == (~0))
{
text = "Everything";
}
else
{
for (int i = 0; i < 32; i++)
{
if (mask.GetBit(i))
{
text = LayerMask.LayerToName(i);
if (string.IsNullOrEmpty(text))
{
text = "Mixed...";
}
else if (mask.SetBit0(i) != 0)
{
text += ", ...";
}
break;
}
}
}
if (GUI.Button(rect = EditorGUI.PrefixLabel(rect, label), text))
{
LayerMaskWindow.ShowAsDropDown(rect, mask, onClose);
}
}