public void UpdateRenderTarget()
{
bool flag = false;
foreach (GameWidget gameWidget in m_subsystemViews.GameWidgets)
{
bool flag2 = false;
foreach (Vector3 lastUpdatePosition in m_lastUpdatePositions)
{
if (Vector3.DistanceSquared(gameWidget.ActiveCamera.ViewPosition, lastUpdatePosition) < 4f)
{
flag2 = true;
break;
}
}
if (!flag2)
{
flag = true;
break;
}
}
if (!flag)
{
return;
}
m_lastUpdatePositions.Clear();
m_lastUpdatePositions.AddRange(m_subsystemViews.GameWidgets.Select((GameWidget v) => v.ActiveCamera.ViewPosition));
m_nearTexts.Clear();
foreach (TextData value in m_textsByPoint.Values)
{
Point3 point = value.Point;
float num = m_subsystemViews.CalculateSquaredDistanceFromNearestView(new Vector3(point));
if (num <= 400f)
{
value.Distance = num;
m_nearTexts.Add(value);
}
}
m_nearTexts.Sort((TextData d1, TextData d2) => Comparer <float> .Default.Compare(d1.Distance, d2.Distance));
if (m_nearTexts.Count > 32)
{
m_nearTexts.RemoveRange(32, m_nearTexts.Count - 32);
}
foreach (TextData nearText in m_nearTexts)
{
nearText.ToBeRenderedFrame = Time.FrameIndex;
}
bool flag3 = false;
for (int i = 0; i < MathUtils.Min(m_nearTexts.Count, 32); i++)
{
TextData textData = m_nearTexts[i];
if (textData.TextureLocation.HasValue)
{
continue;
}
int num2 = m_textureLocations.FirstIndex((TextData d) => d == null);
if (num2 < 0)
{
num2 = m_textureLocations.FirstIndex((TextData d) => d.ToBeRenderedFrame != Time.FrameIndex);
}
if (num2 >= 0)
{
TextData textData2 = m_textureLocations[num2];
if (textData2 != null)
{
textData2.TextureLocation = null;
m_textureLocations[num2] = null;
}
m_textureLocations[num2] = textData;
textData.TextureLocation = num2;
flag3 = true;
}
}
if (flag3)
{
RenderTarget2D renderTarget = Display.RenderTarget;
Display.RenderTarget = m_renderTarget;
try
{
Display.Clear(new Vector4(Color.Transparent));
FlatBatch2D flatBatch = m_primitivesRenderer2D.FlatBatch(0, DepthStencilState.None, null, BlendState.Opaque);
FontBatch2D fontBatch = m_primitivesRenderer2D.FontBatch(m_font, 1, DepthStencilState.None, null, BlendState.Opaque, SamplerState.PointClamp);
for (int j = 0; j < m_textureLocations.Length; j++)
{
TextData textData3 = m_textureLocations[j];
if (textData3 != null)
{
RenderText(fontBatch, flatBatch, textData3);
}
}
m_primitivesRenderer2D.Flush();
}
finally
{
Display.RenderTarget = renderTarget;
}
}
}
public void RenderText(FontBatch2D fontBatch, FlatBatch2D flatBatch, TextData textData)
{
if (!textData.TextureLocation.HasValue)
{
return;
}
List <string> list = new List <string>();
List <Color> list2 = new List <Color>();
for (int i = 0; i < textData.Lines.Length; i++)
{
if (!string.IsNullOrEmpty(textData.Lines[i]))
{
list.Add(textData.Lines[i].Replace("\\", "").ToUpper());
list2.Add(textData.Colors[i]);
}
}
if (list.Count <= 0)
{
return;
}
float num = list.Max((string l) => l.Length) * 32; //宽
float num2 = list.Count * 32; //高
int num3 = 0;
foreach (string txt in list)
{
fontBatch.QueueText(list[num3], new Vector2(0, num3 * 32 + textData.TextureLocation.Value * 32), 0f, list2[num3], TextAnchor.Default);
++num3;
}
textData.UsedTextureHeight = num2;
textData.UsedTextureWidth = num;
/*
* float num3 = 4f;
* float num4;
* float num5;
* if (num / num2 < num3)//宽不是高的4倍
* {
* num4 = num2 * num3;//让宽变为高的4倍
* num5 = num2;//高度
* }
* else
* {
* num4 = num;//绘制的宽度
* num5 = num / num3;//行高
* }
* bool flag = !string.IsNullOrEmpty(textData.Url);
* for (int j = 0; j < list.Count; j++)
* {
* Vector2 position = new Vector2(num4 / 2f, (j * 32) + textData.TextureLocation.Value * 32 + (num5 - num2) / 2f);
* fontBatch.QueueText(list[j], position, 0f, flag ? new Color(0, 0, 64) : list2[j], TextAnchor.HorizontalCenter);
* if (flag)
* {
* flatBatch.QueueLine(new Vector2(position.X - (float)(list[j].Length * 8 / 2), position.Y + 8f), new Vector2(position.X + (float)(list[j].Length * 8 / 2), position.Y + 8f), 0f, new Color(0, 0, 64));
* }
* }
* textData.UsedTextureWidth = num4;
* textData.UsedTextureHeight = num5;
*/
}