private void SliderGUI()
{
if (this.m_HSlider || this.m_VSlider)
{
using (new EditorGUI.DisabledScope(!this.enableMouseInput))
{
float num;
float num2;
Bounds drawingBounds = this.drawingBounds;
Rect shownAreaInsideMargins = this.shownAreaInsideMargins;
float num3 = this.styles.sliderWidth - this.styles.visualSliderWidth;
float num4 = (!this.vSlider || !this.hSlider) ? 0f : num3;
Vector2 scale = this.m_Scale;
if (this.m_HSlider)
{
Rect position = new Rect(this.drawRect.x + 1f, this.drawRect.yMax - num3, this.drawRect.width - num4, this.styles.sliderWidth);
float width = shownAreaInsideMargins.width;
float xMin = shownAreaInsideMargins.xMin;
if (this.m_EnableSliderZoom)
{
EditorGUIExt.MinMaxScroller(position, this.horizontalScrollbarID, ref xMin, ref width, drawingBounds.min.x, drawingBounds.max.x, float.NegativeInfinity, float.PositiveInfinity, this.styles.horizontalScrollbar, this.styles.horizontalMinMaxScrollbarThumb, this.styles.horizontalScrollbarLeftButton, this.styles.horizontalScrollbarRightButton, true);
}
else
{
xMin = GUI.Scroller(position, xMin, width, drawingBounds.min.x, drawingBounds.max.x, this.styles.horizontalScrollbar, this.styles.horizontalMinMaxScrollbarThumb, this.styles.horizontalScrollbarLeftButton, this.styles.horizontalScrollbarRightButton, true);
}
num = xMin;
num2 = xMin + width;
if (num > shownAreaInsideMargins.xMin)
{
num = Mathf.Min(num, num2 - (this.rect.width / this.m_HScaleMax));
}
if (num2 < shownAreaInsideMargins.xMax)
{
num2 = Mathf.Max(num2, num + (this.rect.width / this.m_HScaleMax));
}
this.SetShownHRangeInsideMargins(num, num2);
}
if (this.m_VSlider)
{
if (this.m_UpDirection == YDirection.Positive)
{
Rect rect8 = new Rect(this.drawRect.xMax - num3, this.drawRect.y, this.styles.sliderWidth, this.drawRect.height - num4);
float height = shownAreaInsideMargins.height;
float num8 = -shownAreaInsideMargins.yMax;
if (this.m_EnableSliderZoom)
{
EditorGUIExt.MinMaxScroller(rect8, this.verticalScrollbarID, ref num8, ref height, -drawingBounds.max.y, -drawingBounds.min.y, float.NegativeInfinity, float.PositiveInfinity, this.styles.verticalScrollbar, this.styles.verticalMinMaxScrollbarThumb, this.styles.verticalScrollbarUpButton, this.styles.verticalScrollbarDownButton, false);
}
else
{
num8 = GUI.Scroller(rect8, num8, height, -drawingBounds.max.y, -drawingBounds.min.y, this.styles.verticalScrollbar, this.styles.verticalMinMaxScrollbarThumb, this.styles.verticalScrollbarUpButton, this.styles.verticalScrollbarDownButton, false);
}
num = -(num8 + height);
num2 = -num8;
if (num > shownAreaInsideMargins.yMin)
{
num = Mathf.Min(num, num2 - (this.rect.height / this.m_VScaleMax));
}
if (num2 < shownAreaInsideMargins.yMax)
{
num2 = Mathf.Max(num2, num + (this.rect.height / this.m_VScaleMax));
}
this.SetShownVRangeInsideMargins(num, num2);
}
else
{
Rect rect14 = new Rect(this.drawRect.xMax - num3, this.drawRect.y, this.styles.sliderWidth, this.drawRect.height - num4);
float size = shownAreaInsideMargins.height;
float yMin = shownAreaInsideMargins.yMin;
if (this.m_EnableSliderZoom)
{
EditorGUIExt.MinMaxScroller(rect14, this.verticalScrollbarID, ref yMin, ref size, drawingBounds.min.y, drawingBounds.max.y, float.NegativeInfinity, float.PositiveInfinity, this.styles.verticalScrollbar, this.styles.verticalMinMaxScrollbarThumb, this.styles.verticalScrollbarUpButton, this.styles.verticalScrollbarDownButton, false);
}
else
{
yMin = GUI.Scroller(rect14, yMin, size, drawingBounds.min.y, drawingBounds.max.y, this.styles.verticalScrollbar, this.styles.verticalMinMaxScrollbarThumb, this.styles.verticalScrollbarUpButton, this.styles.verticalScrollbarDownButton, false);
}
num = yMin;
num2 = yMin + size;
if (num > shownAreaInsideMargins.yMin)
{
num = Mathf.Min(num, num2 - (this.rect.height / this.m_VScaleMax));
}
if (num2 < shownAreaInsideMargins.yMax)
{
num2 = Mathf.Max(num2, num + (this.rect.height / this.m_VScaleMax));
}
this.SetShownVRangeInsideMargins(num, num2);
}
}
if (this.uniformScale)
{
float num11 = this.drawRect.width / this.drawRect.height;
scale -= this.m_Scale;
Vector2 vector14 = new Vector2(-scale.y * num11, -scale.x / num11);
this.m_Scale -= vector14;
this.m_Translation.x -= scale.y / 2f;
this.m_Translation.y -= scale.x / 2f;
this.EnforceScaleAndRange();
}
}
}
}
