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[Feature] Box9Sprite configurable UV #157

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[Feature] Box9Sprite configurable UV #157

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77 changes: 67 additions & 10 deletions oxygine/src/oxygine/actor/Box9Sprite.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -25,14 +25,22 @@ namespace oxygine
_guideY[0] = src._guideY[0];
_guideY[1] = src._guideY[1];

_uvX[0] = src._uvX[0];
_uvX[1] = src._uvX[1];
_uvY[0] = src._uvY[0];
_uvY[1] = src._uvY[1];

_guidesX = src._guidesX;
_guidesY = src._guidesY;
_pointsX = src._pointsX;
_pointsY = src._pointsY;

absoluteGuides = src.absoluteGuides;
}

Box9Sprite::Box9Sprite() :
_prepared(false),
absoluteGuides(false),
_vertMode(STRETCHING),
_horzMode(STRETCHING)

Expand All @@ -41,6 +49,10 @@ namespace oxygine
_guideX[1] = 0.0f;
_guideY[0] = 0.0f;
_guideY[1] = 0.0f;
_uvX[0] = 0.0f;
_uvX[1] = 0.0f;
_uvY[0] = 0.0f;
_uvY[1] = 0.0f;

if (DebugActor::resSystem)
Sprite::setResAnim(DebugActor::resSystem->getResAnim("btn"));
Expand All @@ -53,14 +65,14 @@ namespace oxygine

RectF rect;
rect.pos = Vector2(_guideX[0], _guideY[0]);

Vector2 rb;
rb.x = getWidth() - (_frame.getWidth() - _guideX[1]);
rb.y = getHeight() - (_frame.getHeight() - _guideY[1]);

rect.setSize(rb - rect.pos);

return rect;
return rect;
}

void Box9Sprite::setVerticalMode(StretchMode m)
Expand Down Expand Up @@ -98,6 +110,25 @@ namespace oxygine
_prepared = false;
}

void Box9Sprite::setAbsoluteGuides(bool v) {
if (v != absoluteGuides) {
absoluteGuides = v;
_prepared = false;
}
}
void Box9Sprite::setUV(float x1, float x2, float y1, float y2) {
_uvX[0] = x1; _uvX[1] = x2;
_uvY[0] = y1; _uvY[1] = y2;
_prepared = false;
}
void Box9Sprite::setVerticalUV(float x1, float x2) {
_uvX[0] = x1; _uvX[1] = x2;
_prepared = false;
}
void Box9Sprite::setHorizontalUV(float y1, float y2) {
_uvY[0] = y1; _uvY[1] = y2;
_prepared = false;
}
void Box9Sprite::changeAnimFrame(const AnimationFrame& f)
{
Vector2 size = getSize();
Expand Down Expand Up @@ -168,17 +199,25 @@ namespace oxygine
_guideX[1] = fFrameWidth;
if (_guideY[1] == 0.0f)
_guideY[1] = fFrameHeight;
if (_uvX[1] == 0.0f) {
_uvX[0] = _guideX[0]/fFrameWidth;
_uvX[1] = _guideX[1]/fFrameWidth;
}
if (_uvY[1] == 0.0f) {
_uvY[0] = _guideY[0]/fFrameHeight;
_uvY[1] = _guideY[1]/fFrameHeight;
}

RectF srcFrameRect = _frame.getSrcRect();

_guidesX[0] = srcFrameRect.getLeft(); // these guides contains floats from 0.0 to 1.0, compared to original guides which contain floats in px
_guidesX[1] = lerp(srcFrameRect.getLeft(), srcFrameRect.getRight(), _guideX[0] / fFrameWidth); // lerp is needed here cuz the frame might be in an atlas
_guidesX[2] = lerp(srcFrameRect.getLeft(), srcFrameRect.getRight(), _guideX[1] / fFrameWidth);
_guidesX[1] = lerp(srcFrameRect.getLeft(), srcFrameRect.getRight(), _uvX[0]); // lerp is needed here cuz the frame might be in an atlas
_guidesX[2] = lerp(srcFrameRect.getLeft(), srcFrameRect.getRight(), _uvX[1]);
_guidesX[3] = srcFrameRect.getRight();

_guidesY[0] = srcFrameRect.getTop();
_guidesY[1] = lerp(srcFrameRect.getTop(), srcFrameRect.getBottom(), _guideY[0] / fFrameHeight);
_guidesY[2] = lerp(srcFrameRect.getTop(), srcFrameRect.getBottom(), _guideY[1] / fFrameHeight);
_guidesY[1] = lerp(srcFrameRect.getTop(), srcFrameRect.getBottom(), _uvY[0]);
_guidesY[2] = lerp(srcFrameRect.getTop(), srcFrameRect.getBottom(), _uvY[1]);
_guidesY[3] = srcFrameRect.getBottom();

// filling X axis
Expand All @@ -187,13 +226,15 @@ namespace oxygine

if (_horzMode == STRETCHING)
{
_pointsX.push_back(fActorWidth - (fFrameWidth - _guideX[1]));
if (absoluteGuides) _pointsX.push_back(_guideX[1]);
else _pointsX.push_back(fActorWidth - (fFrameWidth*(1-_uvX[1]+_uvX[0])));
_pointsX.push_back(fActorWidth);
}
else if (_horzMode == TILING || _horzMode == TILING_FULL)
{
float curX = _guideX[0];
float rightB = fActorWidth - (fFrameWidth - _guideX[1]); // right bound (in px)
float rightB = _guideX[1];
if (!absoluteGuides) rightB = fActorWidth - (fFrameWidth*(1-_uvX[1]+_uvX[0])); // right bound (in px)
float centerPart = _guideX[1] - _guideX[0]; // length of the center piece (in px)

// now we add a new center piece every time until we reach right bound
Expand Down Expand Up @@ -225,13 +266,15 @@ namespace oxygine

if (_vertMode == STRETCHING)
{
_pointsY.push_back(fActorHeight - (fFrameHeight - _guideY[1]));
if (absoluteGuides) _pointsY.push_back(_guideY[1]);
else _pointsY.push_back(fActorHeight - (fFrameHeight*(1-_uvY[1]+_uvY[0])));
_pointsY.push_back(fActorHeight);
}
else if (_vertMode == TILING || _vertMode == TILING_FULL)
{
float curY = _guideY[0];
float bottomB = fActorHeight - (fFrameHeight - _guideY[1]); // bottom bound (in px)
float bottomB = _guideY[1];
if (!absoluteGuides) bottomB = fActorHeight - (fFrameHeight*(1-_uvY[1]+_uvY[0])); // bottom bound (in px)
float centerPart = _guideY[1] - _guideY[0]; // length of the center piece (in px)

// now we add a new center piece every time until we reach right bound
Expand Down Expand Up @@ -283,7 +326,12 @@ namespace oxygine
stream << "guideX2=" << _guideX[1] << " ";
stream << "guideY1=" << _guideY[0] << " ";
stream << "guideY2=" << _guideY[1] << " ";
stream << "uvX1=" << _uvX[0] << " ";
stream << "uvX2=" << _uvX[1] << " ";
stream << "uvY1=" << _uvY[0] << " ";
stream << "uvY2=" << _uvY[1] << " ";

stream << "absoluteGuides=" << absoluteGuides << " ";
stream << "vert=" << stretchMode2String(_vertMode) << " ";
stream << "hor=" << stretchMode2String(_horzMode) << " ";

Expand Down Expand Up @@ -345,6 +393,15 @@ namespace oxygine
RectF srcRect(_guidesX[xgi], _guidesY[ygi], _guidesX[xgi + 1] - _guidesX[xgi], _guidesY[ygi + 1] - _guidesY[ygi]);
RectF destRect(_pointsX[xc], _pointsY[yc], _pointsX[xc + 1] - _pointsX[xc], _pointsY[yc + 1] - _pointsY[yc]);

if (getAnchorAffectsOrigin()) {
Vector2 offset = getAnchor();
if (!getIsAnchorInPixels()) {
offset.x *= getSize().x;
offset.y *= getSize().y;
}
destRect.pos -= offset;
}

renderer->addQuad(color, srcRect, destRect);

}
Expand Down
17 changes: 15 additions & 2 deletions oxygine/src/oxygine/actor/Box9Sprite.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -26,7 +26,10 @@ namespace oxygine
float getGuideX2() const { return _guideX[1]; }
float getGuideY1() const { return _guideY[0]; }
float getGuideY2() const { return _guideY[1]; }

float getUVX1() const { return _uvX[0]; }
float getUVX2() const { return _uvX[1]; }
float getUVY1() const { return _uvY[0]; }
float getUVY2() const { return _uvY[1]; }

RectF getInnerArea() const;

Expand All @@ -40,6 +43,12 @@ namespace oxygine
void setVerticalGuides(float x1, float x2);
void setHorizontalGuides(float y1, float y2);

void setUV(float x1, float x2, float y1, float y2);
void setVerticalUV(float x1, float x2);
void setHorizontalUV(float y1, float y2);

void setAbsoluteGuides(bool v);

bool isOn(const Vector2& localPosition, float localScale) override;

std::string dump(const dumpOptions&) const override;
Expand All @@ -54,13 +63,17 @@ namespace oxygine
void animFrameChanged(const AnimationFrame& f) override;
void changeAnimFrame(const AnimationFrame& f) override;

bool absoluteGuides;

mutable bool _prepared;

StretchMode _vertMode;
StretchMode _horzMode;

mutable float _guideX[2];
mutable float _guideY[2];
mutable float _uvX[2];
mutable float _uvY[2];

mutable std::vector<float> _guidesX;
mutable std::vector<float> _guidesY;
Expand All @@ -74,4 +87,4 @@ namespace oxygine
}


EDITOR_INCLUDE(Box9Sprite);
EDITOR_INCLUDE(Box9Sprite);