private unsafe Vector2 Process(ref StringProxy text, FontStyle fontStyle, float height, float wrapSizeX, E_FontProcessType processType)
{
if (text.Length == 0)
{
return(new Vector2());
}
SpriteList.Reset();
SpriteList.RenderPass = RenderPass;
SpriteList.Layer = Layer;
FontData fontData = fontStyle.Font.FontData;
float startX = Position.X;
float x = startX;
float y = Position.Y;
float scale = height / fontData.FontHeight;
float charHeight = fontData.LineHeight * scale;
float lineHeight = charHeight * fontStyle.HeightPercentage;
float multY = _UI.Sprite.IsRenderPass3D(RenderPass) ? -1.0f : 1.0f;
int numLines = 1;
fixed(char *pString = text.String)
fixed(FontSprite * pSpriteStart = &SpriteList.Sprites[0])
fixed(FontDataChar * pCharDataStart = &fontData.Characters[0])
{
char *s = (pString != null) ? pString : text.StringUI;
for (int i = 0; i < text.Length; ++i)
{
char c = s[i];
if (c == '\n')
{
++numLines;
y += (lineHeight * multY);
x = startX;
(pSpriteStart + SpriteList.RenderEnd - 1)->BreakType = E_LetterBreakType.Line;
continue;
}
int characterIndex = fontData.GetCharacterIndex(c);
FontDataChar *pCharData = (pCharDataStart + characterIndex);
if (c == ' ')
{
// mark as potential wrap point unless we've already wrapped here
FontSprite *pSpriteEnd = (pSpriteStart + SpriteList.RenderEnd - 1);
if ((SpriteList.RenderEnd != 0) && (pSpriteEnd->BreakType != E_LetterBreakType.Line))
{
pSpriteEnd->BreakType = E_LetterBreakType.Wrap;
}
// advance
x += (pCharData->AdvanceX * scale);
}
else
{
// check for icons
if (((i + 5) <= text.Length) && (c == '[') && (s[i + 1] == '['))
{
int j = i + 2;
StringUI.Clear();
while ((j < text.Length) && (s[j] != ']'))
{
StringUI.Add(s[j++]);
}
if (((j + 1) < text.Length) && (s[j + 1] == ']'))
{
// valid format
int fontIconIndex = _UI.Store_FontIcon.Get(StringUI);
if (fontIconIndex != -1)
{
// add to list
FontIcon fontIcon = _UI.Store_FontIcon.Get(fontIconIndex);
FontSprite *pSprite = (pSpriteStart + SpriteList.RenderEnd++);
pSprite->Character = (char)0xffff;
pSprite->Position.X = x;
pSprite->Position.Y = y - (((charHeight * fontIcon.Scale) - charHeight) * 0.5f) * multY;
pSprite->Position.Z = Position.Z;
float heightScaled = charHeight * fontIcon.Scale;
pSprite->Size.X = heightScaled * fontIcon.AspectRatio;
pSprite->Size.Y = heightScaled;
fixed(SpriteColor *pColor = &fontIcon.Color)
{
pSprite->Colors.CopyA(ref Colors);
pSprite->Colors.MultA(pColor->A);
pSprite->Colors.R(pColor->R);
pSprite->Colors.G(pColor->G);
pSprite->Colors.B(pColor->B);
if (Colors.PreMultipliedAlpha)
{
pSprite->Colors.ToPremultiplied();
}
}
// set base texture
pSprite->Texture.TextureIndex = fontIcon.Texture.TextureIndex;
pSprite->Texture.PUV = fontIcon.Texture.PUV;
pSprite->Texture.SUV = fontIcon.Texture.SUV;
pSprite->BreakType = E_LetterBreakType.None;
pSprite->IconIndex = fontIconIndex;
// advance
x += pSprite->Size.X;
// advance string past the icon characters
i += (4 + StringUI.Length - 1);
}
}
}
else
{
// add to list
FontSprite *pSprite = (pSpriteStart + SpriteList.RenderEnd++);
pSprite->Character = c;
pSprite->Position.X = x + (pCharData->OffsetX * scale);
pSprite->Position.Y = y + (pCharData->OffsetY * scale) * multY;
pSprite->Position.Z = Position.Z;
pSprite->Size.X = pCharData->Width * scale;
pSprite->Size.Y = pCharData->Height * scale;
pSprite->Colors = Colors;
// set base texture
pSprite->Texture.TextureIndex = fontStyle.Font.TextureIndex;
pSprite->Texture.PUV.X = (float)pCharData->X / fontData.TextureWidth;
pSprite->Texture.PUV.Y = (float)pCharData->Y / fontData.TextureHeight;
pSprite->Texture.SUV.X = (float)pCharData->Width / fontData.TextureWidth;
pSprite->Texture.SUV.Y = (float)pCharData->Height / fontData.TextureHeight;
// second (optional) texture is set through the FontStyle when rendering
pSprite->BreakType = E_LetterBreakType.None;
pSprite->IconIndex = -1;
// advance
x += (pCharData->AdvanceX * scale);
// kerning
if (i != (text.Length - 1))
{
x += (fontData.GetKerningAmount(c, s[i + 1]) * scale);
}
}
}
// check for wrapping
if ((c != ' ') && (wrapSizeX != 0.0f) && ((x - startX) > wrapSizeX))
{
int iWrap = SpriteList.RenderEnd - 1;
FontSprite *pSpriteWrap = (pSpriteStart + iWrap);
// search backwards until we find a place to wrap
while ((iWrap >= 0) && (pSpriteWrap->BreakType != E_LetterBreakType.Wrap) && (pSpriteWrap->BreakType != E_LetterBreakType.Line))
{
pSpriteWrap = (pSpriteStart + --iWrap);
}
bool wrapOnLine = false;
if (iWrap != -1)
{
if (pSpriteWrap->BreakType == E_LetterBreakType.Line)
{
wrapOnLine = true; // word is longer than the wrap size
}
else
{
pSpriteWrap->BreakType = E_LetterBreakType.Line;
}
}
else
{
if (SpriteList.RenderEnd > 1)
{
wrapOnLine = true; // long first word with leading spaces, wtf
}
}
++pSpriteWrap;
float diffX = pSpriteWrap->Position.X - startX;
float offsetX = x - pSpriteWrap->Position.X;
// shift the characters after the break point
for (int j = (iWrap + 1); j < SpriteList.RenderEnd; ++j)
{
pSpriteWrap->Position.X -= diffX;
if (!wrapOnLine)
{
pSpriteWrap->Position.Y += (lineHeight * multY);
}
++pSpriteWrap;
}
++numLines;
if (!wrapOnLine)
{
y += (lineHeight * multY);
}
x = startX + offsetX;
}
// tracking
x += (height * fontStyle.TrackingPercentage);
}
(pSpriteStart + SpriteList.RenderEnd - 1)->BreakType = E_LetterBreakType.Line;
float totalHeight = ((numLines - 1) * lineHeight) + charHeight;
if (processType == E_FontProcessType.Draw)
{
// align
if ((Align != E_Align.TopLeft) && (Align != E_Align.None))
{
Vector2 offset = _UI.Sprite.GetVertexOffsetAligned(0, Align);
if ((Align == E_Align.MiddleLeft) || (Align == E_Align.BottomLeft))
{
// only just need to offset y
FontSprite *pSpriteToOffset = pSpriteStart;
for (int i = 0; i < SpriteList.RenderEnd; ++i, ++pSpriteToOffset)
{
pSpriteToOffset->Position.Y -= (totalHeight * offset.Y) * multY;
}
}
else
{
// need to offset both x and y
int iLineStart = 0;
FontSprite *pSpriteLineEnd = pSpriteStart;
for (int i = 0; i < SpriteList.RenderEnd; ++i, ++pSpriteLineEnd)
{
if (pSpriteLineEnd->BreakType != E_LetterBreakType.Line)
{
continue;
}
float lineWidth = (pSpriteLineEnd->Position.X + pSpriteLineEnd->Size.X) - startX;
// offset every sprite on this line
FontSprite *pSpriteToOffset = (pSpriteStart + iLineStart);
for (int j = iLineStart; j <= i; ++j, ++pSpriteToOffset)
{
pSpriteToOffset->Position.X -= (lineWidth * offset.X);
pSpriteToOffset->Position.Y -= (totalHeight * offset.Y) * multY;
}
iLineStart = i + 1;
}
}
}
// pre-render
if (FontEffects != null)
{
for (int i = 0; i < FontEffects.Count; ++i)
{
FontEffects[i].Process(SpriteList);
}
FontEffects = null;
}
// actual render
fontStyle.Render(SpriteList, height);
}
return(new Vector2((numLines == 1) ? (x - startX) : wrapSizeX, totalHeight));
}
}