//----------------------------------------------------------------//
bool MOAIVertexFormat::ComputeBounds ( void* buffer, u32 size, USRect& bounds ) {
u32 total = this->mVertexSize ? ( size / this->mVertexSize ) : 0;
if ( !total ) return false;
u32 coordAttributeIdx = this->mAttributeUseTable [ ARRAY_VERTEX ].mAttrID;
if ( coordAttributeIdx >= this->mTotalAttributes ) return false;
MOAIVertexAttribute& coordAttr = this->mAttributes [ coordAttributeIdx ];
if ( coordAttr.mType != GL_FLOAT ) return false; // TODO: handle other types
if ( coordAttr.mSize < 2 ) return false;
buffer = ( void* )(( size_t )buffer + coordAttr.mOffset );
USVec2D* coord = ( USVec2D* )buffer;
bounds.Init ( *coord );
bounds.Inflate ( 0.0000001f ); // prevent 'empty' bounds on cardinal direction lines or single vertex objects
for ( u32 i = 1; i < total; ++i ) {
buffer = ( void* )(( size_t )buffer + this->mVertexSize );
coord = ( USVec2D* )buffer;
bounds.Grow ( *coord );
}
return true;
}
//----------------------------------------------------------------//
USRect MOAIGfxQuadListDeck2D::GetBounds ( u32 idx, MOAIDeckRemapper* remapper ) {
USRect rect;
rect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
u32 size = this->mSprites.Size ();
if ( size ) {
idx = remapper ? remapper->Remap ( idx ) : idx;
idx = ( idx - 1 ) % size;
USSprite& sprite = this->mSprites [ idx ];
if ( sprite.mTotalPairs ) {
USSpritePair prim = this->mPairs [ sprite.mBasePair ];
USQuad& baseQuad = this->mQuads [ prim.mQuadID ];
baseQuad.GetBounds ( rect );
for ( u32 i = 1; i < sprite.mTotalPairs; ++i ) {
prim = this->mPairs [ sprite.mBasePair + i ];
USQuad& quad = this->mQuads [ prim.mQuadID ];
rect.Grow ( quad.mV [ 0 ]);
rect.Grow ( quad.mV [ 1 ]);
rect.Grow ( quad.mV [ 2 ]);
rect.Grow ( quad.mV [ 3 ]);
}
}
}
return rect;
}
//----------------------------------------------------------------//
USRect MOAIDeck::GetBounds ( u32 idx, MOAIDeckRemapper* remapper ) {
UNUSED ( idx );
UNUSED ( remapper );
USRect rect;
rect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
return rect;
}
//----------------------------------------------------------------//
USRect MOAIQuadBrush::GetUVBounds () {
USRect rect;
rect.Init ( this->mUV [ 0 ]);
rect.Grow ( this->mUV [ 1 ]);
rect.Grow ( this->mUV [ 2 ]);
rect.Grow ( this->mUV [ 3 ]);
return rect;
}
//----------------------------------------------------------------//
USRect MOAIQuadBrush::GetVtxBounds () {
USRect rect;
rect.Init ( this->mVtx [ 0 ]);
rect.Grow ( this->mVtx [ 1 ]);
rect.Grow ( this->mVtx [ 2 ]);
rect.Grow ( this->mVtx [ 3 ]);
return rect;
}
//----------------------------------------------------------------//
USRect USGLQuad::GetVtxBounds () {
USRect rect;
rect.Init ( this->mVtx [ 0 ]);
rect.Grow ( this->mVtx [ 1 ]);
rect.Grow ( this->mVtx [ 2 ]);
rect.Grow ( this->mVtx [ 3 ]);
return rect;
}
//----------------------------------------------------------------//
USRect USGLQuad::GetUVBounds () {
USRect rect;
rect.Init ( this->mUV [ 0 ]);
rect.Grow ( this->mUV [ 1 ]);
rect.Grow ( this->mUV [ 2 ]);
rect.Grow ( this->mUV [ 3 ]);
return rect;
}
//----------------------------------------------------------------//
USRect MOAIMesh::GetBounds ( u32 idx, MOAIDeckRemapper* remapper ) {
UNUSED ( idx );
UNUSED ( remapper );
if ( this->mVertexBuffer ) {
return this->mVertexBuffer->GetBounds ();
}
USRect bounds;
bounds.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
return bounds;
}
//----------------------------------------------------------------//
USRect MOAISurfaceDeck2D::GetRect ( u32 idx, MOAIDeckRemapper* remapper ) {
idx = remapper ? remapper->Remap ( idx ) : idx;
idx = idx - 1;
if ( idx < this->mBrushes.Size ()) {
return this->mBrushes [ idx ].mBounds;
}
USRect rect;
rect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
return rect;
}
USRect MOAISurfaceDeck2D::GetRect () {
u32 size = this->mBrushes.Size ();
USRect totalRect;
totalRect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
for ( int i = 0; i < size; ++i ) {
totalRect.Grow ( this->mBrushes [ i ].mBounds );
}
return totalRect;
}
//----------------------------------------------------------------//
USBox MOAIGfxQuadDeck2D::ComputeMaxBounds () {
USRect rect;
rect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
u32 size = this->mQuads.Size ();
for ( u32 i = 0; i < size; ++i ) {
rect.Grow ( this->mQuads [ i ].GetVtxBounds ());
}
USBox bounds;
bounds.Init ( rect.mXMin, rect.mYMax, rect.mXMax, rect.mYMin, 0.0f, 0.0f );
return bounds;
}
USRect MOAIGfxQuadDeck2D::GetRect ( ) {
u32 size = this->mQuads.Size ();
USRect totalRect;
totalRect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
for ( u32 i = 0; i < size; ++i ) {
MOAIQuadBrush& quad = this->mQuads [ i ];
USRect rect = quad.GetVtxBounds ();
totalRect.Grow ( rect );
}
return totalRect;
}
//----------------------------------------------------------------//
bool USFrustum::GetXYSectRect ( const USAffine3D& mtx, USRect& rect ) const {
u32 nHits = 0;
USVec2D hits [ 12 ];
USVec3D nlt = this->mPoints [ NEAR_LT_POINT ];
USVec3D nrt = this->mPoints [ NEAR_RT_POINT ];
USVec3D nrb = this->mPoints [ NEAR_RB_POINT ];
USVec3D nlb = this->mPoints [ NEAR_LB_POINT ];
USVec3D flt = this->mPoints [ FAR_LT_POINT ];
USVec3D frt = this->mPoints [ FAR_RT_POINT ];
USVec3D frb = this->mPoints [ FAR_RB_POINT ];
USVec3D flb = this->mPoints [ FAR_LB_POINT ];
mtx.Transform ( nlt );
mtx.Transform ( nrt );
mtx.Transform ( nrb );
mtx.Transform ( nlb );
mtx.Transform ( flt );
mtx.Transform ( frt );
mtx.Transform ( frb );
mtx.Transform ( flb );
if ( _vecToXYPlane ( nlt, flt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nrt, frt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nrb, frb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nlb, flb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nlt, nrt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nrt, nrb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nrb, nlb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( nlb, nlt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( flt, frt, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( frt, frb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( frb, flb, hits [ nHits ])) ++nHits;
if ( _vecToXYPlane ( flb, flt, hits [ nHits ])) ++nHits;
if ( nHits ) {
rect.Init ( hits [ 0 ]);
for ( u32 i = 1; i < nHits; ++i ) {
rect.Grow ( hits [ i ]);
}
return true;
}
return false;
}
//----------------------------------------------------------------//
USBox MOAISurfaceDeck2D::ComputeMaxBounds () {
u32 size = this->mBrushes.Size ();
USRect rect;
rect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
for ( u32 i = 0; i < size; ++i ) {
rect.Grow ( this->mBrushes [ i ].mBounds );
}
USBox bounds;
bounds.Init ( rect.mXMin, rect.mYMax, rect.mXMax, rect.mYMin, 0.0f, 0.0f );
return bounds;
}
//----------------------------------------------------------------//
USRect MOAIGfxQuadDeck2D::GetBounds ( u32 idx, MOAIDeckRemapper* remapper ) {
u32 size = this->mQuads.Size ();
if ( size ) {
idx = remapper ? remapper->Remap ( idx ) : idx;
idx = ( idx - 1 ) % size;
MOAIQuadBrush& quad = this->mQuads [ idx ];
return quad.GetVtxBounds ();
}
USRect rect;
rect.Init ( 0.0f, 0.0f, 0.0f, 0.0f );
return rect;
}
//----------------------------------------------------------------//
USRect MOAIGlyph::GetRect ( float x, float y ) const {
USRect rect;
x += ( this->mBearingX );
y -= ( this->mBearingY );
rect.Init (
x,
y,
x + this->mWidth,
y + this->mHeight
);
return rect;
}
//----------------------------------------------------------------//
USRect MOAIScissorRect::GetScissorRect ( const USMatrix4x4& worldToWndMtx ) const {
USVec3D vtx3D [ 4 ];
vtx3D [ 0 ].mX = this->mRect.mXMin;
vtx3D [ 0 ].mY = this->mRect.mYMin;
vtx3D [ 0 ].mZ = 0.0f;
vtx3D [ 1 ].mX = this->mRect.mXMin;
vtx3D [ 1 ].mY = this->mRect.mYMax;
vtx3D [ 1 ].mZ = 0.0f;
vtx3D [ 2 ].mX = this->mRect.mXMax;
vtx3D [ 2 ].mY = this->mRect.mYMax;
vtx3D [ 2 ].mZ = 0.0f;
vtx3D [ 3 ].mX = this->mRect.mXMax;
vtx3D [ 3 ].mY = this->mRect.mYMin;
vtx3D [ 3 ].mZ = 0.0f;
USMatrix4x4 mtx;
mtx.Init ( this->GetLocalToWorldMtx ());
mtx.Append ( worldToWndMtx );
mtx.Project ( vtx3D [ 0 ]);
mtx.Project ( vtx3D [ 1 ]);
mtx.Project ( vtx3D [ 2 ]);
mtx.Project ( vtx3D [ 3 ]);
USRect scissorRect;
scissorRect.Init ( vtx3D [ 0 ]);
scissorRect.Grow ( vtx3D [ 1 ]);
scissorRect.Grow ( vtx3D [ 2 ]);
scissorRect.Grow ( vtx3D [ 3 ]);
if ( this->mScissorRect ) {
USRect parentRect = this->mScissorRect->GetScissorRect ( worldToWndMtx );
parentRect.Clip ( scissorRect );
}
return scissorRect;
}
//----------------------------------------------------------------//
void MOAIDraw::DrawRay ( float x, float y, float dx, float dy ) {
USVec2D loc ( x, y );
USVec2D vec ( dx, dy );
USMatrix4x4 mtx = MOAIGfxDevice::Get ().GetViewProjMtx ();
USMatrix4x4 invMtx;
invMtx.Inverse ( mtx );
mtx.Transform ( loc );
mtx.TransformVec ( vec );
USRect viewRect;
viewRect.Init ( -1.0f, -1.0f, 1.0f, 1.0f );
USVec2D p0;
USVec2D p1;
if ( viewRect.GetIntersection ( loc, vec, p0, p1 )) {
invMtx.Transform ( p0 );
invMtx.Transform ( p1 );
MOAIGfxDevice& gfxDevice = MOAIGfxDevice::Get ();
gfxDevice.BeginPrim ( GL_LINES );
gfxDevice.WriteVtx ( p0.mX, p0.mY, 0.0f );
gfxDevice.WriteFinalColor4b ();
gfxDevice.WriteVtx ( p1.mX, p1.mY, 0.0f );
gfxDevice.WriteFinalColor4b ();
gfxDevice.EndPrim ();
}
}
//----------------------------------------------------------------//
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;
}
}
}
}
//----------------------------------------------------------------//
void MOAIStretchPatch2D::DrawStretch ( u32 idx, float xStretch, float yStretch ) {
USRect uvRect;
u32 totalUVRects = this->mUVRects.Size ();
idx = ( idx - 1 ) % totalUVRects;
if ( totalUVRects == 0 ) {
uvRect.Init ( 0.0f, 1.0f, 1.0f, 0.0f );
}
else {
uvRect = this->mUVRects [ idx ];
}
float nativeWidth = this->mRect.Width ();
float nativeHeight = this->mRect.Height ();
float rectWidth = nativeWidth * xStretch;
float rectHeight = nativeHeight * yStretch;
float xMin = this->mRect.mXMin * xStretch;
float yMin = this->mRect.mYMin * yStretch;
float uMin = uvRect.mXMin;
float vMin = uvRect.mYMin;
// scale for x patches
float xPatchScale = 1.0f;
float xStretchPatchScale = 1.0f;
if ( rectWidth > nativeWidth ) {
xStretchPatchScale = ( rectWidth - ( nativeWidth * this->mXFix )) / ( nativeWidth * this->mXFlex );
}
else {
xPatchScale = rectWidth / nativeWidth;
xStretchPatchScale = xPatchScale;
}
// scale for y patches
float yPatchScale = 1.0f;
float yStretchPatchScale = 1.0f;
if ( rectHeight > nativeHeight ) {
yStretchPatchScale = ( rectHeight - ( nativeHeight * this->mYFix )) / ( nativeHeight * this->mYFlex );
}
else {
yPatchScale = rectHeight / nativeHeight;
yStretchPatchScale = yPatchScale;
}
u32 totalRows = this->mRows.Size ();
u32 totalCols = this->mCols.Size ();
MOAIQuadBrush quad;
float uSpan = uvRect.mXMax - uvRect.mXMin;
float vSpan = uvRect.mYMax - uvRect.mYMin;
float y = yMin;
float v = vMin;
for ( u32 i = 0; i < totalRows; ++i ) {
MOAIStretchPatchSpan& row = this->mRows [ i ];
float vStep = row.mPercent * vSpan;
float h = nativeHeight * row.mPercent;
if ( row.mCanStretch ) {
h *= yStretchPatchScale;
}
else {
h *= yPatchScale;
}
float x = xMin;
float u = uMin;
for ( u32 j = 0; j < totalCols; ++j ) {
MOAIStretchPatchSpan& col = this->mCols [ j ];
float uStep = col.mPercent * uSpan;
float w = nativeWidth * col.mPercent;
if ( col.mCanStretch ) {
w *= xStretchPatchScale;
}
else {
w *= xPatchScale;
}
quad.SetVerts ( x, y, x + w, y + h );
quad.SetUVs ( u, v, u + uStep, v + vStep );
quad.Draw ();
x += w;
u += uStep;
}
y += h;
v += vStep;
}
}