//----------------------------------------------------------------//
void MOAIPartitionLevel::GatherProps ( MOAIPartitionResultBuffer& results, MOAIProp* ignore, const USVec3D& point, u32 planeID, u32 mask ) {
USVec2D cellPoint ( 0.0f, 0.0f );
switch ( planeID ) {
case USBox::PLANE_XY:
cellPoint.Init ( point.mX, point.mY );
break;
case USBox::PLANE_XZ:
cellPoint.Init ( point.mX, point.mZ );
break;
case USBox::PLANE_YZ:
cellPoint.Init ( point.mY, point.mZ );
break;
};
float halfSize = this->mCellSize * 0.5f;
cellPoint.mX = cellPoint.mX - halfSize;
cellPoint.mY = cellPoint.mY + halfSize;
MOAICellCoord coord = this->mGridSpace.GetCellCoord ( cellPoint.mX, cellPoint.mY );
int width = this->mGridSpace.GetWidth ();
int height = this->mGridSpace.GetHeight ();
int xTotal = ( width < 2 ) ? 1 : 2;
int yTotal = ( height < 2 ) ? 1 : 2;
for ( int y = 0; y < yTotal; ++y ) {
for ( int x = 0; x < xTotal; ++x ) {
MOAICellCoord offset = this->mGridSpace.WrapCellCoord ( coord.mX + x, coord.mY - y );
int addr = this->mGridSpace.GetCellAddr ( offset );
this->mCells [ addr ].GatherProps ( results, ignore, point, mask );
}
}
}
//----------------------------------------------------------------//
void MOAIDraw::DrawAxisGrid ( USVec2D loc, USVec2D vec, float size ) {
USMatrix4x4 mtx = MOAIGfxDevice::Get ().GetViewProjMtx ();
USMatrix4x4 invMtx;
invMtx.Inverse ( mtx );
// Set the axis to the grid length so we can get the length back post-transform
vec.SetLength ( size );
mtx.Transform ( loc );
mtx.TransformVec ( vec );
// Get the axis unit vector
USVec2D norm = vec;
size = norm.NormSafe ();
// Get the axis normal
USVec2D perpNorm ( norm.mY, -norm.mX );
// Project the corners of the viewport onto the axis to get the mix/max bounds
float dot;
float min;
float max;
USVec2D corner;
// left, top
corner.Init ( -1.0f, 1.0f );
corner.Sub ( loc );
dot = norm.Dot ( corner );
min = dot;
max = dot;
// right, top
corner.Init ( 1.0f, 1.0f );
corner.Sub ( loc );
dot = norm.Dot ( corner );
min = ( dot < min ) ? dot : min;
max = ( dot > max ) ? dot : max;
// right, bottom
corner.Init ( 1.0f, -1.0f );
corner.Sub ( loc );
dot = norm.Dot ( corner );
min = ( dot < min ) ? dot : min;
max = ( dot > max ) ? dot : max;
// left, bottom
corner.Init ( -1.0f, -1.0f );
corner.Sub ( loc );
dot = norm.Dot ( corner );
min = ( dot < min ) ? dot : min;
max = ( dot > max ) ? dot : max;
// Get the start andstop grids
s32 start = ( s32 )( min / size ) - 1;
s32 stop = ( s32 )( max / size ) + 1;
// Set the pen to the first...
USVec2D pen = norm;
pen.Scale (( float )start * size );
pen.Add ( loc );
// Step along the axis to draw perpendicular grid lines
USRect viewRect;
viewRect.Init ( -1.0f, -1.0f, 1.0f, 1.0f );
for ( ; start < stop; ++start ) {
USVec2D p0;
USVec2D p1;
if ( viewRect.GetIntersection ( pen, perpNorm, p0, p1 )) {
invMtx.Transform ( p0 );
invMtx.Transform ( p1 );
MOAIDraw::DrawLine ( p0, p1 );
}
pen.Add ( vec );
}
}
//----------------------------------------------------------------//
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;
}
}
}
}
