public void Update()
{
if (this._done && !Level.current._waitingOnTransition)
{
Layer.doVirtualEffect = false;
if (this._realBackground == null)
{
return;
}
Level.activeLevel.backgroundColor = this._realBackground.backgroundColor;
this._realBackground.scissor = new Rectangle(0.0f, 0.0f, (float)Graphics.width, (float)Graphics.height);
this._realBackground = (BackgroundUpdater)null;
}
else
{
if (Level.current._waitingOnTransition)
{
this._realBackground = (BackgroundUpdater)null;
}
if (this._realBackground == null)
{
using (IEnumerator <Thing> enumerator = Level.activeLevel.things[typeof(BackgroundUpdater)].GetEnumerator())
{
if (enumerator.MoveNext())
{
this._realBackground = (BackgroundUpdater)enumerator.Current;
}
}
}
float num = this._stick;
if (this._scanStage == 2 && this._virtualMode)
{
this._backgroundColor = this._curBackgroundColor;
Level.activeLevel.backgroundColor = Lerp.ColorSmooth(this._backgroundColor, this._curBackgroundColor, this._stick);
Layer.Glow.fade = Lerp.FloatSmooth(Layer.Glow.fade, 0.0f, this._stick);
}
if (this._scanStage == 0 && !this._virtualMode && this._realBackground != null)
{
Level.activeLevel.backgroundColor = Lerp.ColorSmooth(this._backgroundColor, this._realBackground.backgroundColor, this._stick);
Layer.Glow.fade = Lerp.FloatSmooth(Layer.Glow.fade, 1f, this._stick);
}
if (this._scanStage == -1)
{
Level.activeLevel.backgroundColor = Lerp.ColorSmooth(this._backgroundColor, Color.Black, 0.1f);
}
if (this._scanStage < 2)
{
num = 0.0f;
}
Rectangle rectangle1 = new Rectangle((float)(int)((1.0 - (double)num) * (double)Graphics.width), 0.0f, (float)(Graphics.width - (int)((1.0 - (double)num) * (double)Graphics.width)), (float)Graphics.height);
if (this._realBackground != null)
{
if ((double)rectangle1.width == 0.0)
{
this._realBackground.SetVisible(false);
}
else
{
this._realBackground.scissor = rectangle1;
this._realBackground.SetVisible(true);
}
}
Rectangle rectangle2 = new Rectangle(0.0f, 0.0f, (float)Graphics.width - rectangle1.width, (float)Graphics.height);
if ((double)rectangle2.width == 0.0)
{
this.SetVisible(false);
this._visible = false;
}
else
{
this._scissor = rectangle2;
this.SetVisible(true);
this._visible = true;
}
float amount1 = 0.04f;
float amount2 = 0.06f;
if (Level.activeLevel != null)
{
amount1 *= Level.activeLevel.transitionSpeedMultiplier;
amount2 *= Level.activeLevel.transitionSpeedMultiplier;
}
if (!this._virtualMode)
{
if (this._scanStage == 0)
{
this._stick = Lerp.Float(this._stick, 1f, amount1);
if ((double)this._stick > 0.990000009536743)
{
this._stick = 1f;
this._incStage = true;
}
}
else if (this._scanStage == 1)
{
this._stick = Lerp.Float(this._stick, 0.0f, amount1);
if ((double)this._stick < 0.00999999977648258)
{
this._stick = 0.0f;
this._incStage = true;
}
}
else if (this._scanStage == 2)
{
Layer.basicWireframeEffect.effect.Parameters["screenCross"].SetValue(0.0f);
if (Layer.basicWireframeTex)
{
Layer.basicWireframeEffect.effect.Parameters["scanMul"].SetValue(0.0f);
}
this._stick = Lerp.Float(this._stick, 1f, amount1);
if ((double)this._stick > 0.990000009536743)
{
this._stick = 1f;
this._incStage = true;
this._done = true;
}
}
}
else if (this._scanStage == 2)
{
Layer.basicWireframeEffect.effect.Parameters["screenCross"].SetValue(0.0f);
if (Layer.basicWireframeTex)
{
Layer.basicWireframeEffect.effect.Parameters["scanMul"].SetValue(0.0f);
}
this._stick = Lerp.Float(this._stick, 0.0f, amount2);
if ((double)this._stick < 0.00999999977648258)
{
this._stick = 0.0f;
this._decStage = true;
}
}
else if (this._scanStage == 1)
{
this._stick = Lerp.Float(this._stick, 1f, amount2);
if ((double)this._stick > 0.990000009536743)
{
this._stick = 1f;
this._decStage = true;
}
}
else if (this._scanStage == 0)
{
this._stick = Lerp.Float(this._stick, 0.0f, amount2);
if ((double)this._stick < 0.00999999977648258)
{
this._stick = 0.0f;
this._decStage = true;
this._done = true;
}
}
if (this._incStage)
{
this._incStage = false;
++this._scanStage;
}
if (this._decStage)
{
this._decStage = false;
--this._scanStage;
}
if (this._scanStage < 2)
{
Layer.doVirtualEffect = true;
Layer.basicWireframeTex = this._scanStage == 1;
Layer.basicWireframeEffect.effect.Parameters["screenCross"].SetValue(this._stick);
if (Layer.basicWireframeTex)
{
Layer.basicWireframeEffect.effect.Parameters["scanMul"].SetValue(1f);
}
}
this._fullyVirtual = false;
this._fullyNonVirtual = false;
if (this._scanStage == 3)
{
this._fullyNonVirtual = true;
}
else if (this._scanStage == -1)
{
this._fullyVirtual = true;
}
this._lastCameraX = Level.activeLevel.camera.centerX;
if ((double)this._scissor.width == 0.0)
{
return;
}
this._parallax.scissor = this._scissor;
}
}
