// #if UNITY_EDITOR
// protected override void OnValidate()
// {
// effectDistance = m_EffectDistance;
// base.OnValidate();
// }
// #endif
// #if TMP_PRESENT
// protected void OnCullStateChanged (bool state)
// {
// SetVerticesDirty ();
// }
//
// Vector2 res;
// protected override void LateUpdate ()
// {
// if (res.x != Screen.width || res.y != Screen.height)
// {
// res.x = Screen.width;
// res.y = Screen.height;
// SetVerticesDirty ();
// }
// if (textMeshPro && transform.hasChanged)
// {
// transform.hasChanged = false;
// }
// base.LateUpdate ();
// }
// #endif
/// <summary>
/// Modifies the mesh.
/// </summary>
public override void ModifyMesh(VertexHelper vh, Graphic graphic)
{
if (!isActiveAndEnabled || vh.currentVertCount <= 0 || m_Style == ShadowStyle.None)
{
return;
}
vh.GetUIVertexStream(s_Verts);
GetComponents <UIShadow>(tmpShadows);
foreach (var s in tmpShadows)
{
if (!s.isActiveAndEnabled)
{
continue;
}
if (s == this)
{
foreach (var s2 in tmpShadows)
{
s2._graphicVertexCount = s_Verts.Count;
}
}
break;
}
tmpShadows.Clear();
//================================
// Append shadow vertices.
//================================
{
_uiEffect = _uiEffect ? _uiEffect : GetComponent <UIEffect>();
var start = s_Verts.Count - _graphicVertexCount;
var end = s_Verts.Count;
if (paramTex != null && _uiEffect && _uiEffect.isActiveAndEnabled)
{
paramTex.SetData(this, 0, _uiEffect.effectFactor); // param.x : effect factor
paramTex.SetData(this, 1, 255); // param.y : color factor
paramTex.SetData(this, 2, m_BlurFactor); // param.z : blur factor
}
ApplyShadow(s_Verts, effectColor, ref start, ref end, effectDistance, style, useGraphicAlpha);
}
vh.Clear();
vh.AddUIVertexTriangleStream(s_Verts);
s_Verts.Clear();
}
protected override void OnDisable()
{
base.OnDisable();
_uiEffect = null;
if (paramTex == null)
{
return;
}
paramTex.Unregister(this);
paramTex = null;
}
protected override void OnEnable()
{
base.OnEnable();
_uiEffect = GetComponent <UIEffect>();
if (!_uiEffect)
{
return;
}
paramTex = _uiEffect.paramTex;
paramTex.Register(this);
}