六边形基元平铺MapWidget

MapPresent/MapPresent.cpp

@@ -37,39 +37,66 @@ QRectF MapPresent::outlineGet(const PresentIndex& idx) const
 void MapPresent::paintEvent(QPaintEvent* ev)
 {
 	QWidget::paintEvent(ev);
-
-	QPainter p(this);
-
 	BasicUnitDelegate t;
 
-	p.save();
-	p.setPen(Qt::red);
-	auto rect = outlineGet(_center_index);
-	p.translate(rect.topLeft());
-	rect.moveTo(0, 0);
+	QPainter p(this);
+	for (auto opt : _visible_units) {
+		p.save();
+
+		auto rect = opt.selfOutline;
+		p.translate(rect.topLeft());
+		rect.moveTo(0, 0);
+
+		auto end_pts = t.endPointsGet(rect);
+		QPainterPath clicp_path;
+		clicp_path.moveTo(end_pts.first());
+		for (auto idx = 0; idx < end_pts.size(); ++idx) {
+			clicp_path.lineTo(end_pts[idx]);
+		}
+		p.setClipPath(clicp_path);
+
+		opt.selfOutline = rect;
+		t.paint(&p, opt);
+
+		p.restore();
+	}
+}
+
+void MapPresent::resizeEvent(QResizeEvent* event)
+{
+	QWidget::resizeEvent(event);
+
+	visibleUnitsTidy();
+}
+
+PresentOption AssumeOpt(PresentIndex index, QRectF rf) {
 	PresentOption opt;
-	opt.selfIndex = _center_index;
-	opt.selfOutline = rect;
-	t.paint(&p, opt);
-	p.restore();
+	opt.selfIndex = index;
+	opt.selfOutline = rf;
+	return opt;
+}
 
-	for (auto idx = 1; idx < 10; ++idx) {
-		auto siblings = siblingsGet(_center_index, idx);
-		p.setPen(Qt::green);
-		for (auto item : siblings) {
-			auto rect = outlineGet(item);
-			p.save();
-			p.translate(rect.topLeft());
-			rect.moveTo(0, 0);
-			//p.drawRect(rect);
+void MapPresent::visibleUnitsTidy() {
+	_visible_units.clear();
 
-			opt.selfIndex = item;
-			opt.selfOutline = rect;
-			t.paint(&p, opt);
+	QRectF curr_outline = this->rect();
+	_visible_units << AssumeOpt(_center_index, outlineGet(_center_index));
 
-			p.restore();
+	int visible_count = 1, deduce_x = 1;
+	while (visible_count) {
+		visible_count = 0;
+
+		auto siblings = siblingsGet(_center_index, deduce_x++);
+		for (auto unit : siblings) {
+			auto visible_rect = outlineGet(unit);
+			if (curr_outline.intersects(visible_rect)) {
+				_visible_units << AssumeOpt(unit, visible_rect);
+				visible_count++;
+			}
 		}
 	}
+
+	// TODO ¹¹½¨¿ìËÙ²âÊÔ×éÖ¯½á¹¹
 }
 
 QList<PresentIndex> MapPresent::siblingsGet(const PresentIndex& center, uint16_t dist) const
@@ -131,6 +158,9 @@ void BasicUnitDelegate::paint(QPainter* p, const PresentOption& option)
 	auto alen = rect.width() / 2;
 	const float xspan = alen * sqrt(3) / 2;
 
+	QRadialGradient brush(center, alen);
+	p->fillRect(rect, brush);
+
 	QList<QPointF> points = endPointsGet(rect);
 
 	QVector<QLineF> lines;
@@ -143,6 +173,7 @@ void BasicUnitDelegate::paint(QPainter* p, const PresentOption& option)
 	ft.setPixelSize(alen * 0.3);
 	p->setFont(ft);
 
+	p->setPen(Qt::white);
 	auto text_rect = QRectF(center.x() - xspan, center.y() - alen / 2, xspan * 2, alen);
 	auto text_str = QString("(%1,%2)").arg(option.selfIndex.row).arg(option.selfIndex.col);
 	p->drawText(text_rect, Qt::AlignCenter, text_str);
@@ -153,7 +184,7 @@ QList<QPointF> BasicUnitDelegate::endPointsGet(const QRectF& rect)
 	auto center = rect.center();
 	auto alen = rect.width() / 2;
 	const float xspan = alen * sqrt(3) / 2;
-	
+
 	QList<QPointF> points;
 	points << QPointF(center.x() - xspan, center.y() - alen / 2);
 	points << QPointF(center.x(), 0);

MapPresent/MapPresent.h

@@ -103,8 +103,14 @@ public:
 
 protected:
 	void paintEvent(QPaintEvent* ev) override;
+	void resizeEvent(QResizeEvent* event) override;
 
 private:
+	QList<PresentOption> _visible_units;
+	void visibleUnitsTidy();
+	
 	QList<PresentIndex> siblingsGet(const PresentIndex &center, uint16_t dist=1) const;
 	QList<PresentIndex> itemFills(const PresentIndex &a, const PresentIndex &b) const;
+
+
 };