Add entity manipulator widget, added support for editing entity angles.

1 files changed, 59 insertions, 0 deletions

diff --git a/src/manipulator.cc b/src/manipulator.cc
new file mode 100644
index 0000000..33585a9
--- /dev/null
+++ b/src/manipulator.cc
@@ -0,0 +1,59 @@
+/*
+   manipulator.cc
+   This file is part of the Project::OSiRiON world editor 
+   and is distributed under the terms and conditions of 
+   the GNU General Public License version 2
+*/
+
+#include "manipulator.h"
+
+#include <QtGui>
+#include <QPainter>
+#include <QMouseEvent>
+#include <QDebug>
+
+namespace editor
+{
+
+Manipulator::Manipulator(QWidget *parent) : QWidget(parent)
+{
+	manipulator_mode = None;
+	manipulator_yaw = 0;
+}
+
+void Manipulator::setSize(const QWidget *widget)
+{
+	const int s = 16;
+	setGeometry(
+		widget->x() - s,
+		widget->y() -s,
+		widget->width() + 2 * s, 
+		widget->height() + 2 * s
+	);
+}
+
+void Manipulator::paintEvent(QPaintEvent *event)
+{
+	if (mode() == None)
+		return;
+	
+	QColor green;
+	green.setRgb(0, 156, 0);
+	QPen pen(green, 1, Qt::SolidLine);
+	QPainter painter(this);
+	
+	painter.setPen(pen);
+	painter.drawEllipse(0, 0, width() - 1 , height() - 1);
+
+	const int r = width() / 2;
+	const float dx = r * sin(manipulator_yaw * M_PI / 180.0f);
+	const float dy = r * cos(manipulator_yaw * M_PI / 180.0f);
+	painter.drawLine(width() /2, height() /2, width() /2 - dx, height() /2 - dy);
+}
+
+void Manipulator::setProperties(const EntityProperties *properties)
+{
+	manipulator_yaw = properties->yaw();
+}
+
+} // namespace editor