private static int[] GetGridDivision(Rect rect, int minimumNr, int labelHeight)
{
float num = Mathf.Sqrt(rect.width * rect.height / (float)minimumNr);
int num2 = Mathf.FloorToInt(rect.width / num);
int num3 = Mathf.FloorToInt(rect.height / (num + (float)labelHeight));
while (num2 * num3 < minimumNr)
{
float num4 = ObjectPreview.AbsRatioDiff((float)(num2 + 1) / rect.width, (float)num3 / (rect.height - (float)(num3 * labelHeight)));
float num5 = ObjectPreview.AbsRatioDiff((float)num2 / rect.width, (float)(num3 + 1) / (rect.height - (float)((num3 + 1) * labelHeight)));
if (num4 < num5)
{
num2++;
if (num2 * num3 > minimumNr)
{
num3 = Mathf.CeilToInt((float)minimumNr / (float)num2);
}
}
else
{
num3++;
if (num2 * num3 > minimumNr)
{
num2 = Mathf.CeilToInt((float)minimumNr / (float)num3);
}
}
}
return(new int[]
{
num2,
num3
});
}
public override void DrawPreview(Rect previewArea)
{
ObjectPreview.DrawPreview(this, previewArea, new UnityEngine.Object[]
{
base.targets[0]
});
}
internal static void DrawPreview(IPreviewable defaultPreview, Rect previewArea, UnityEngine.Object[] targets)
{
if (ObjectPreview.s_Styles == null)
{
ObjectPreview.s_Styles = new ObjectPreview.Styles();
}
string text = string.Empty;
Event current = Event.current;
if (targets.Length > 1)
{
Rect rect = new RectOffset(16, 16, 20, 25).Remove(previewArea);
int num = Mathf.Max(1, Mathf.FloorToInt((rect.height + 10f) / 77f));
int num2 = Mathf.Max(1, Mathf.FloorToInt((rect.width + 10f) / 65f));
int num3 = num * num2;
int num4 = Mathf.Min(targets.Length, 25);
bool flag = true;
int[] array = new int[]
{
num2,
num
};
if (num4 < num3)
{
array = ObjectPreview.GetGridDivision(rect, num4, 12);
flag = false;
}
int num5 = Mathf.Min(array[0] * array[1], targets.Length);
rect.width += 10f;
rect.height += 10f;
Vector2 vector = new Vector2((float)Mathf.FloorToInt(rect.width / (float)array[0] - 10f), (float)Mathf.FloorToInt(rect.height / (float)array[1] - 10f));
float num6 = Mathf.Min(vector.x, vector.y - 12f);
if (flag)
{
num6 = Mathf.Min(num6, 55f);
}
bool flag2 = current.type == EventType.MouseDown && current.button == 0 && current.clickCount == 2 && previewArea.Contains(current.mousePosition);
defaultPreview.ResetTarget();
for (int i = 0; i < num5; i++)
{
Rect position = new Rect(rect.x + (float)(i % array[0]) * rect.width / (float)array[0], rect.y + (float)(i / array[0]) * rect.height / (float)array[1], vector.x, vector.y);
if (flag2 && position.Contains(Event.current.mousePosition))
{
Selection.objects = new UnityEngine.Object[]
{
defaultPreview.target
};
}
position.height -= 12f;
Rect position2 = new Rect(position.x + (position.width - num6) * 0.5f, position.y + (position.height - num6) * 0.5f, num6, num6);
GUI.BeginGroup(position2);
Editor.m_AllowMultiObjectAccess = false;
defaultPreview.OnInteractivePreviewGUI(new Rect(0f, 0f, num6, num6), ObjectPreview.s_Styles.preBackgroundSolid);
Editor.m_AllowMultiObjectAccess = true;
GUI.EndGroup();
position.y = position2.yMax;
position.height = 16f;
GUI.Label(position, targets[i].name, ObjectPreview.s_Styles.previewMiniLabel);
defaultPreview.MoveNextTarget();
}
defaultPreview.ResetTarget();
if (Event.current.type == EventType.Repaint)
{
text = string.Format("Previewing {0} of {1} Objects", num5, targets.Length);
}
}
else
{
defaultPreview.OnInteractivePreviewGUI(previewArea, ObjectPreview.s_Styles.preBackground);
if (Event.current.type == EventType.Repaint)
{
text = defaultPreview.GetInfoString();
if (text != string.Empty)
{
text = text.Replace("\n", " ");
text = string.Format("{0}\n{1}", defaultPreview.target.name, text);
}
}
}
if (Event.current.type == EventType.Repaint && text != string.Empty)
{
float num7 = ObjectPreview.s_Styles.dropShadowLabelStyle.CalcHeight(GUIContent.Temp(text), previewArea.width);
EditorGUI.DropShadowLabel(new Rect(previewArea.x, previewArea.yMax - num7 - 5f, previewArea.width, num7), text);
}
}
public void DrawPreview(Rect previewArea)
{
ObjectPreview.DrawPreview(this, previewArea, this.m_Targets);
}
public virtual void DrawPreview(Rect previewArea)
{
ObjectPreview.DrawPreview(this, previewArea, targets);
}
internal static void DrawPreview(IPreviewable defaultPreview, Rect previewArea, Object[] targets)
{
if (ObjectPreview.s_Styles == null)
{
ObjectPreview.s_Styles = new ObjectPreview.Styles();
}
string str1 = string.Empty;
Event current = Event.current;
if (targets.Length > 1)
{
Rect rect = new RectOffset(16, 16, 20, 25).Remove(previewArea);
int num1 = Mathf.Max(1, Mathf.FloorToInt((float)(((double)rect.height + 10.0) / 77.0)));
int num2 = Mathf.Max(1, Mathf.FloorToInt((float)(((double)rect.width + 10.0) / 65.0)));
int num3 = num1 * num2;
int minimumNr = Mathf.Min(targets.Length, 25);
bool flag1 = true;
int[] numArray = new int[2] {
num2, num1
};
if (minimumNr < num3)
{
numArray = ObjectPreview.GetGridDivision(rect, minimumNr, 12);
flag1 = false;
}
int num4 = Mathf.Min(numArray[0] * numArray[1], targets.Length);
rect.width += 10f;
rect.height += 10f;
Vector2 vector2 = new Vector2((float)Mathf.FloorToInt((float)((double)rect.width / (double)numArray[0] - 10.0)), (float)Mathf.FloorToInt((float)((double)rect.height / (double)numArray[1] - 10.0)));
float num5 = Mathf.Min(vector2.x, vector2.y - 12f);
if (flag1)
{
num5 = Mathf.Min(num5, 55f);
}
bool flag2 = current.type == EventType.MouseDown && current.button == 0 && current.clickCount == 2 && previewArea.Contains(current.mousePosition);
defaultPreview.ResetTarget();
for (int index = 0; index < num4; ++index)
{
Rect position1 = new Rect(rect.x + (float)(index % numArray[0]) * rect.width / (float)numArray[0], rect.y + (float)(index / numArray[0]) * rect.height / (float)numArray[1], vector2.x, vector2.y);
if (flag2 && position1.Contains(Event.current.mousePosition))
{
Selection.objects = new Object[1]
{
defaultPreview.target
}
}
;
position1.height -= 12f;
Rect position2 = new Rect(position1.x + (float)(((double)position1.width - (double)num5) * 0.5), position1.y + (float)(((double)position1.height - (double)num5) * 0.5), num5, num5);
GUI.BeginGroup(position2);
Editor.m_AllowMultiObjectAccess = false;
defaultPreview.OnInteractivePreviewGUI(new Rect(0.0f, 0.0f, num5, num5), ObjectPreview.s_Styles.preBackgroundSolid);
Editor.m_AllowMultiObjectAccess = true;
GUI.EndGroup();
position1.y = position2.yMax;
position1.height = 16f;
GUI.Label(position1, targets[index].name, ObjectPreview.s_Styles.previewMiniLabel);
defaultPreview.MoveNextTarget();
}
defaultPreview.ResetTarget();
if (Event.current.type == EventType.Repaint)
{
str1 = string.Format("Previewing {0} of {1} Objects", (object)num4, (object)targets.Length);
}
}
else
{
defaultPreview.OnInteractivePreviewGUI(previewArea, ObjectPreview.s_Styles.preBackground);
if (Event.current.type == EventType.Repaint)
{
str1 = defaultPreview.GetInfoString();
if (str1 != string.Empty)
{
string str2 = str1.Replace("\n", " ");
str1 = string.Format("{0}\n{1}", (object)defaultPreview.target.name, (object)str2);
}
}
}
if (Event.current.type != EventType.Repaint || !(str1 != string.Empty))
{
return;
}
float height = ObjectPreview.s_Styles.dropShadowLabelStyle.CalcHeight(GUIContent.Temp(str1), previewArea.width);
EditorGUI.DropShadowLabel(new Rect(previewArea.x, (float)((double)previewArea.yMax - (double)height - 5.0), previewArea.width, height), str1);
}
public override void DrawPreview(Rect previewArea)
{
ObjectPreview.DrawPreview(this, previewArea, new Object[] { targets[0] }); // only draw the first preview - all the selected systems share it
}
/// <summary>
/// <para>The first entry point for Preview Drawing.</para>
/// </summary>
/// <param name="previewPosition">The available area to draw the preview.</param>
/// <param name="previewArea"></param>
public virtual void DrawPreview(Rect previewArea)
{
ObjectPreview.DrawPreview((IPreviewable)this, previewArea, this.targets);
}