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/*
* Roughly Enough Items by Danielshe.
* Licensed under the MIT License.
*/
package me.shedaniel.rei.gui.widget;
import me.shedaniel.math.api.Point;
import me.shedaniel.math.api.Rectangle;
import me.shedaniel.math.impl.PointHelper;
import net.minecraft.client.MinecraftClient;
import net.minecraft.client.gui.Element;
import net.minecraft.client.util.Window;
public abstract class DraggableWidget extends WidgetWithBounds {
public boolean dragged = false;
private Point midPoint, startPoint;
private int relateX, relateY;
public DraggableWidget(Point startingPoint) {
initWidgets(midPoint = startingPoint);
}
public DraggableWidget() {
this(new Point(MinecraftClient.getInstance().getWindow().getScaledWidth() / 2, MinecraftClient.getInstance().getWindow().getScaledHeight() / 2));
}
protected abstract void initWidgets(Point midPoint);
public abstract void updateWidgets(Point midPoint);
public abstract Rectangle getGrabBounds();
public abstract Rectangle getDragBounds();
public final Point getMidPoint() {
return midPoint;
}
@Override
public boolean mouseDragged(double double_1, double double_2, int int_1, double double_3, double double_4) {
Point mouse = PointHelper.fromMouse();
if (int_1 == 0) {
if (!dragged) {
if (getGrabBounds().contains(mouse)) {
startPoint = new Point(midPoint.x, midPoint.y);
relateX = mouse.x - midPoint.x;
relateY = mouse.y - midPoint.y;
dragged = true;
}
} else {
Window window = minecraft.getWindow();
midPoint = processMidPoint(midPoint, mouse, startPoint, window, relateX, relateY);
updateWidgets(midPoint);
}
return true;
}
for (Element listener : children())
if (listener.mouseDragged(double_1, double_2, int_1, double_3, double_4))
return true;
return false;
}
public abstract Point processMidPoint(Point midPoint, Point mouse, Point startPoint, Window window, int relateX, int relateY);
@Override
public boolean mouseReleased(double double_1, double double_2, int int_1) {
if (int_1 == 0)
if (dragged) {
dragged = false;
onMouseReleaseMidPoint(getMidPoint());
return true;
}
for (Element listener : children())
if (listener.mouseReleased(double_1, double_2, int_1))
return true;
return false;
}
public void onMouseReleaseMidPoint(Point midPoint) {
}
}
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