//----------------------------------------------------------------//
void MOAIAnim::Apply ( float t0, float t1 ) {
if ( t0 == t1 ) {
this->Apply ( t0 );
return;
}
MOAIAttrOp adder;
u32 total = this->mLinks.Size ();
for ( u32 i = 0; i < total; ++i ) {
MOAIAnimLink& link = this->mLinks [ i ];
MOAIAnimCurve* curve = link.mCurve;
MOAINode* target = link.mTarget;
if ( curve && target ) {
if ( link.mRelative ) {
float value = curve->GetFloatDelta ( t0, t1 );
adder.SetValue ( value );
target->ApplyAttrOp ( link.mAttrID, adder, MOAIAttrOp::ADD );
}
else {
float value = curve->GetFloatValue ( t1 );
target->SetAttributeValue < float >( link.mAttrID, value );
}
target->ScheduleUpdate ();
}
}
}
//----------------------------------------------------------------//
void MOAIAnim::Apply ( float t ) {
u32 total = this->mLinks.Size ();
for ( u32 i = 0; i < total; ++i ) {
MOAIAnimLink& link = this->mLinks [ i ];
MOAIAnimCurve* curve = link.mCurve;
MOAINode* target = link.mTarget;
if ( curve && target ) {
if ( !link.mRelative ) {
float value = curve->GetFloatValue ( t );
target->SetAttributeValue < float >( link.mAttrID, value );
}
target->ScheduleUpdate ();
}
}
}
//----------------------------------------------------------------//
void MOAITextDesigner::BuildLayout ( MOAITextBox& textBox ) {
if ( !textBox.mStyleMap.GetTop ()) return;
this->mStr = textBox.mText;
this->mIdx = textBox.mCurrentPageIdx;
this->mStyleSpan = 0;
this->mStyle = 0;
int tokenIdx = this->mIdx;
int lineIdx = this->mIdx;
float width = textBox.mFrame.Width ();
float height = textBox.mFrame.Height ();
u32 lineStart = 0;
u32 lineSize = 0;
u32 tokenStart = 0;
u32 tokenSize = 0;
USRect lineRect;
lineRect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
USRect tokenRect;
tokenRect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
float tokenAscent = 0.0f;
float lineAscent = 0.0f;
USVec2D pen;
pen.Init ( 0.0f, 0.0f );
MOAIGlyph* glyph = 0;
MOAIGlyph* prevGlyph = 0;
textBox.mMore = true;
bool more = true;
while ( more ) {
u32 c = this->NextChar ( textBox );
float scale = textBox.mGlyphScale * ( this->mStyle ? this->mStyle->mScale : 1.0f );
bool acceptToken = false;
bool acceptLine = false;
if ( MOAIFont::IsControl ( c )) {
if ( c == '\n' ) {
tokenIdx = this->mIdx - 1;
tokenStart = textBox.mSprites.GetTop ();
acceptToken = true;
acceptLine = true;
if ( !tokenRect.Height ()) {
tokenRect.mYMax += this->mDeck->mHeight * scale;
}
}
else if ( c == 0 ) {
textBox.mMore = false;
tokenIdx = this->mIdx - 1;
tokenStart = textBox.mSprites.GetTop ();
acceptToken = true;
acceptLine = true;
more = false;
}
}
else {
glyph = this->mDeck->GetGlyph ( c );
if ( !glyph ) continue;
if ( glyph->mAdvanceX == 0.0f ) continue;
// apply kerning
if ( prevGlyph ) {
MOAIKernVec kernVec = prevGlyph->GetKerning ( glyph->mCode );
pen.mX += kernVec.mX * scale;
}
prevGlyph = glyph;
if ( MOAIFont::IsWhitespace ( c )) {
if ( tokenSize ) {
acceptToken = true;
}
}
else {
float glyphBottom = pen.mY + ( this->mDeck->mHeight * scale );
// handle new token
if ( !tokenSize ) {
tokenIdx = this->mIdx - 1;
tokenStart = textBox.mSprites.GetTop ();
tokenRect.Init ( pen.mX, pen.mY, pen.mX, glyphBottom );
tokenAscent = this->mDeck->mAscent * scale;
}
// check for overrun
float glyphRight = pen.mX + (( glyph->mBearingX + glyph->mWidth ) * scale );
bool overrun = glyphRight > width;
acceptLine = ( lineSize && overrun );
if ( acceptLine || !overrun ) {
textBox.PushSprite ( this->mIdx - 1, *glyph, *this->mStyle, pen.mX, pen.mY, scale );
tokenRect.mXMax = glyphRight;
tokenSize++;
}
}
pen.mX += glyph->mAdvanceX * scale;
}
if ( acceptToken ) {
lineRect.Grow ( tokenRect );
lineSize += tokenSize;
lineAscent = tokenAscent > lineAscent ? tokenAscent : lineAscent;
tokenSize = 0;
}
if ( acceptLine ) {
textBox.PushLine ( lineStart, lineSize, lineRect, lineAscent );
// end line
pen.mY += lineRect.Height () + textBox.mLineSpacing;
lineRect.Init ( 0.0f, pen.mY, 0.0f, pen.mY );
// next line
lineIdx = tokenIdx;
lineStart = tokenStart;
lineSize = 0;
lineAscent = 0.0f;
prevGlyph = 0;
if ( tokenSize ){
// slide the current token (if any) back to the origin
for ( u32 i = 0; i < tokenSize; ++i ) {
MOAITextSprite& sprite = textBox.mSprites [ tokenStart + i ];
sprite.mX -= tokenRect.mXMin;
sprite.mY = pen.mY;
}
pen.mX -= tokenRect.mXMin;
tokenRect.Init ( 0.0f, pen.mY, tokenRect.Width (), pen.mY + tokenRect.Height ());
}
else {
pen.mX = 0.0f;
tokenRect.Init ( 0.0f, pen.mY, 0.0f, pen.mY + this->mDeck->mHeight );
}
}
// if we overrun height, then back up to the start of the current line
if ( tokenRect.mYMax > height ) {
textBox.mSprites.SetTop ( lineStart );
textBox.mNextPageIdx = lineIdx;
more = false;
}
}
if ( textBox.mSprites.GetTop () == 0 ) {
textBox.mMore = false;
return;
}
float yOff = textBox.mFrame.mYMin;
float layoutHeight = lineRect.mYMax;
switch ( textBox.mVAlign ) {
case MOAITextBox::CENTER_JUSTIFY:
yOff = ( yOff + ( height * 0.5f )) - ( layoutHeight * 0.5f );
case MOAITextBox::LEFT_JUSTIFY:
break;
case MOAITextBox::RIGHT_JUSTIFY:
yOff = textBox.mFrame.mYMax - layoutHeight;
}
u32 totalLines = textBox.mLines.GetTop ();
for ( u32 i = 0; i < totalLines; ++i ) {
MOAITextLine& line = textBox.mLines [ i ];
float xOff = textBox.mFrame.mXMin;
float lineWidth = line.mRect.Width ();
switch ( textBox.mHAlign ) {
case MOAITextBox::CENTER_JUSTIFY:
xOff = ( xOff + ( width * 0.5f )) - ( lineWidth * 0.5f );
case MOAITextBox::LEFT_JUSTIFY:
break;
case MOAITextBox::RIGHT_JUSTIFY:
xOff = textBox.mFrame.mXMax - lineWidth;
}
line.mRect.Offset ( xOff, yOff );
float spriteYOff = yOff + line.mAscent;
MOAIAnimCurve* curve = 0;
if ( textBox.mCurves ) {
curve = textBox.mCurves [ i % textBox.mCurves.Size ()];
}
for ( u32 j = 0; j < line.mSize; ++j ) {
MOAITextSprite& sprite = textBox.mSprites [ line.mStart + j ];
sprite.mX += xOff;
if ( curve ) {
sprite.mY += spriteYOff + curve->GetFloatValue (( sprite.mX - textBox.mFrame.mXMin ) / width );
}
else {
sprite.mY += spriteYOff;
}
}
}
}
//----------------------------------------------------------------//
void MOAITextFrame::FlushLine () {
if ( this->mLineCount >= this->mTotalLines ) return;
float x = this->mFrame.mXMin;
float width = this->mFrame.Width ();
float lineWidth = this->mRightToLeft ? -this->mLineXMax : this->mLineXMax;
float lineHeight = this->mFont->GetLineSpacing () * this->mPoints * this->mLineSpacing;
switch ( this->mJustify ) {
case CENTER_JUSTIFY:
x = ( x + ( width * 0.5f )) - ( lineWidth * 0.5f );
case LEFT_JUSTIFY:
break;
case RIGHT_JUSTIFY:
x = this->mFrame.mXMax - lineWidth;
}
MOAIAnimCurve* curve = 0;
if ( this->mCurves ) {
curve = this->mCurves [ this->mLineCount % this->mTotalCurves ];
}
if ( this->mRightToLeft ) {
x -= this->mLineXMax;
}
for ( u32 i = this->mLineBottom; i < this->mLineTop; ++i ) {
MOAITextSprite& sprite = ( *this->mLayout )[ i ];
float yOff = 0.0f;
if ( curve ) {
yOff = curve->GetFloatValue ( sprite.mX / width );
}
sprite.mX += x;
sprite.mY = this->mPen.mY + yOff;
}
this->mLineBottom = this->mLineTop;
this->mLineXMax = 0.0f;
this->mPen.mY += lineHeight;
this->mLineCount++;
this->mGlyph = 0;
// move token to origin
u32 tokenTop = this->mLayout->GetTop ();
for ( u32 i = this->mLineTop; i < tokenTop; ++i ) {
MOAITextSprite& sprite = ( *this->mLayout )[ i ];
sprite.mX -= this->mTokenXMin;
}
this->mPen.mX -= this->mTokenXMin;
this->mTokenXMax -= this->mTokenXMin;
this->mTokenXMin = 0.0f;
}