private static string CreateHash(TextTextureProperties text)
{
return(text.Text + "," + text.OffsetX + "," + text.OffsetY + "," +
text.Width + "," + text.Height + "," +
text.FontSize + "," + text.Background.r + "," +
text.Background.g + "," + text.Background.b);
}
/// <summary>
/// Renders a texture and caches it so it can be used as a texture
/// for a material (like a computer screen for example).
/// </summary>
/// <returns>The text.</returns>
/// <param name="text">Text.</param>
/// <param name="forceRender">Whether the texture should be rendered
/// again even if it's cached.</param>
public static Texture2D GetText(TextTextureProperties text, bool forceRender = false)
{
string Hash = CreateHash(text);
if (forceRender || !Cache.ContainsKey(Hash))
{
Cache[Hash] = Singleton.RenderText(text);
}
return(Cache[Hash]);
}
/// <summary>
/// Sets the text properties.
/// </summary>
/// <param name="Props">Properties.</param>
public void SetTextProperties(TextTextureProperties Props)
{
TextProperties = Props;
Dirty = true;
}
private Texture2D RenderText(TextTextureProperties text)
{
// Set scales
float Scale = 2.0f / text.Width;
Text.fontSize = text.FontSize;
Text.characterSize = text.FontSize * Scale * 0.25f;
// Fix newlines
Text.text = text.Text.Replace("\\n", "\n");
float CharacterWidth = FontUtil.GetCharacterWidth(Text.font,
Text.fontSize, Text.fontStyle);
string FixedText = "";
int CutAmount = 0;
for (int i = 0; i < Text.text.Length; i++)
{
int RowLength = i - CutAmount;
string Line = Text.text.Substring(CutAmount, RowLength).Trim() + "\n";
int NextWordLength = 0;
if (Text.text[i] == ' ' && i + 1 < Text.text.Length)
{
NextWordLength = Text.text.Substring(i + 1).Split(' ')[0].Length;
}
if ((Line.Length + NextWordLength) * CharacterWidth > text.Width - text.OffsetX ||
Text.text[i] == '\n')
{
FixedText += Line;
CutAmount = i;
}
}
FixedText += Text.text.Substring(CutAmount).Trim();
Text.text = FixedText;
// Setup render textures
RenderTexture TextTexture = RenderTexture.GetTemporary(text.Width, text.Height);
RenderTexture OldRT = Camera.targetTexture;
// Calculate positions
float OffsetX = -text.Width / 2f;
float OffsetY = -text.Height / 2f;
if (text.Centered)
{
OffsetX = 0;
Text.anchor = TextAnchor.UpperCenter;
}
else
{
Text.anchor = TextAnchor.UpperLeft;
}
Camera.orthographicSize = 1.0f * text.Height / text.Width;
Camera.transform.localPosition = new Vector3(
-(text.OffsetX + OffsetX) * Scale,
(text.OffsetY + OffsetY) * Scale);
// Setup camera
Camera.targetTexture = TextTexture;
Camera.backgroundColor = text.Background;
// *click*
Camera.Render();
Camera.targetTexture = OldRT;
// Copy the result to a Texture2D
OldRT = RenderTexture.active;
Texture2D Result = new Texture2D(text.Width, text.Height);
RenderTexture.active = TextTexture;
Result.ReadPixels(new Rect(0, 0, Result.width, Result.height), 0, 0);
Result.Apply();
// Clean up
RenderTexture.active = OldRT;
RenderTexture.ReleaseTemporary(TextTexture);
return(Result);
}
