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feat(container): Dragging and adjustIfOutsideViewport

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extio-de
2025-12-26 17:13:06 +01:00
parent c393fa55c8
commit 8b912a5845
2 changed files with 138 additions and 7 deletions
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139
src/main/java/de/extio/game_engine/renderer/container/Container.java
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@@ -1,5 +1,9 @@
package de.extio.game_engine.renderer.container;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.context.annotation.Scope;
import org.springframework.stereotype.Component;
@@ -11,17 +15,23 @@ import de.extio.game_engine.renderer.RendererControl;
import de.extio.game_engine.renderer.model.RenderingBo;
import de.extio.game_engine.renderer.model.bo.HorizontalAlignment;
import de.extio.game_engine.renderer.model.bo.VerticalAlignment;
import de.extio.game_engine.renderer.model.event.MouseClickEvent;
import de.extio.game_engine.renderer.model.event.MouseMoveEvent;
import de.extio.game_engine.renderer.model.event.ViewportResizeEvent;
import de.extio.game_engine.renderer.work.RendererWorkingSet;
import de.extio.game_engine.renderer.work.RenderingBoPool;
import de.extio.game_engine.spatial2.SpatialUtils2;
import de.extio.game_engine.spatial2.model.Area2;
import de.extio.game_engine.spatial2.model.CoordI2;
import de.extio.game_engine.spatial2.model.ImmutableCoordI2;
import de.extio.game_engine.spatial2.model.MutableCoordI2;
@Component
@Scope("prototype")
public class Container extends AbstractClientModule implements InitializingBean {
protected final static List<Container> DISPLAYED_CONTAINERS = Collections.synchronizedList(new ArrayList<>());
protected final ModuleService moduleService;
protected final RenderingBoPool renderingBoPool;
@@ -39,6 +49,8 @@ public class Container extends AbstractClientModule implements InitializingBean
protected boolean draggable;
protected boolean dragging;
protected CoordI2 dragPrevPosition;
protected HorizontalAlignment horizontalAlignment = HorizontalAlignment.CENTER;
@@ -60,24 +72,144 @@ public class Container extends AbstractClientModule implements InitializingBean
@Override
public void onActivate() {
this.eventService.register(ViewportResizeEvent.class, this.id, this::onViewportResize);
this.eventService.register(MouseMoveEvent.class, this.id, this::onMouseMoveEvent);
this.eventService.register(MouseClickEvent.class, this.id, this::onMouseClickEvent);
this.onViewportResize(null);
}
@Override
public void onShow() {
DISPLAYED_CONTAINERS.add(this);
this.draw();
}
@Override
public void onDeactivate() {
public void onHide() {
DISPLAYED_CONTAINERS.remove(this);
}
protected void onViewportResize(final ViewportResizeEvent event) {
this.setNormalizedPosition(this.normalizedArea.getPosition());
this.setNormalizedDimension(this.normalizedArea.getDimension());
this.adjustIfOutsideViewport();
this.draw();
}
private boolean adjustIfOutsideViewport() {
final var viewportDimension = this.rendererControl.getEffectiveViewportDimension();
final var position = this.area.getPosition();
final var dimension = this.area.getDimension();
final var containerArea = this.area.getDimension().getX() * this.area.getDimension().getY();
final var intersectionArea = this.calculateIntersectionArea(position, dimension, viewportDimension);
final var intersectionPercentage = containerArea > 0 ? (double) intersectionArea / containerArea : 0.0;
if (intersectionPercentage >= 0.1) {
return false;
}
int adjustedX = position.getX();
int adjustedY = position.getY();
if (position.getX() >= viewportDimension.getX()) {
adjustedX = viewportDimension.getX() - dimension.getX();
} else if (position.getX() + dimension.getX() <= 0) {
adjustedX = 0;
} else if (position.getX() < 0) {
adjustedX = 0;
} else if (position.getX() + dimension.getX() > viewportDimension.getX()) {
adjustedX = viewportDimension.getX() - dimension.getX();
}
if (position.getY() >= viewportDimension.getY()) {
adjustedY = viewportDimension.getY() - dimension.getY();
} else if (position.getY() + dimension.getY() <= 0) {
adjustedY = 0;
} else if (position.getY() < 0) {
adjustedY = 0;
} else if (position.getY() + dimension.getY() > viewportDimension.getY()) {
adjustedY = viewportDimension.getY() - dimension.getY();
}
final var normalizedX = this.calculateNormalizedX(adjustedX);
final var normalizedY = this.calculateNormalizedY(adjustedY);
this.normalizedArea.getPosition().setXY(normalizedX, normalizedY);
this.area.getPosition().setXY(adjustedX, adjustedY);
this.LOGGER.debug("Adjusted container {} position to {},{} to remain visible in viewport", this.id, adjustedX, adjustedY);
return true;
}
private int calculateIntersectionArea(final CoordI2 position, final CoordI2 dimension, final CoordI2 viewportDimension) {
final int x1 = Math.max(0, position.getX());
final int y1 = Math.max(0, position.getY());
final int x2 = Math.min(viewportDimension.getX(), position.getX() + dimension.getX());
final int y2 = Math.min(viewportDimension.getY(), position.getY() + dimension.getY());
final int width = Math.max(0, x2 - x1);
final int height = Math.max(0, y2 - y1);
return width * height;
}
protected int calculateNormalizedX(final int actualX) {
return switch (this.horizontalAlignment) {
case LEFT -> actualX;
case CENTER -> actualX - (this.rendererControl.getEffectiveViewportDimension().getX() - RendererControl.REFERENCE_RESOLUTION.getX()) / 2;
case RIGHT -> actualX - (this.rendererControl.getEffectiveViewportDimension().getX() - RendererControl.REFERENCE_RESOLUTION.getX());
};
}
protected int calculateNormalizedY(final int actualY) {
return switch (this.verticalAlignment) {
case TOP -> actualY;
case CENTER -> actualY - (this.rendererControl.getEffectiveViewportDimension().getY() - RendererControl.REFERENCE_RESOLUTION.getY()) / 2;
case BOTTOM -> actualY - (this.rendererControl.getEffectiveViewportDimension().getY() - RendererControl.REFERENCE_RESOLUTION.getY());
};
}
protected void onMouseMoveEvent(final MouseMoveEvent event) {
if (this.draggable && event.isDrag()) {
Container foregroundContainer = null;
synchronized (DISPLAYED_CONTAINERS) {
for (final var container : DISPLAYED_CONTAINERS) {
if (container.dragging) {
foregroundContainer = container;
break;
}
if (SpatialUtils2.intersects(container.area.getPosition(), container.area.getDimension(), event.getCoord(), ImmutableCoordI2.one())) {
// TODO z-index handling
foregroundContainer = container;
}
}
}
if (foregroundContainer == this) {
if (!this.dragging) {
this.dragging = true;
this.dragPrevPosition = null;
this.LOGGER.debug("Started dragging container {}", this.id);
}
if (this.dragPrevPosition != null) {
final var delta = event.getCoord().substract(this.dragPrevPosition);
if (! ImmutableCoordI2.zero().equals(delta)) {
this.setNormalizedPosition(this.getNormalizedPosition().add(delta));
}
}
this.dragPrevPosition = event.getCoord();
}
}
}
protected void onMouseClickEvent(final MouseClickEvent event) {
if (! event.isPressed() && this.dragging) {
this.dragging = false;
this.dragPrevPosition = null;
if (this.adjustIfOutsideViewport()) {
this.draw();
}
this.LOGGER.debug("Stopped dragging container {}", this.id);
}
}
/**
* Override in subclasses, but make sure to call super.draw() at the end if overridden
@@ -120,7 +252,6 @@ public class Container extends AbstractClientModule implements InitializingBean
case BOTTOM -> this.area.getPosition().setY(normalizedPosition.getY() + this.rendererControl.getEffectiveViewportDimension().getY() - RendererControl.REFERENCE_RESOLUTION.getY());
}
this.draw();
this.LOGGER.debug("Effective viewport dimension: {}", this.rendererControl.getEffectiveViewportDimension());
}
public CoordI2 getNormalizedPosition() {

6
src/main/java/de/extio/game_engine/renderer/container/legacy/Window.java
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@@ -16,7 +16,7 @@ import de.extio.game_engine.renderer.model.bo.ControlRenderingBo.WindowCloseButt
import de.extio.game_engine.renderer.model.color.RgbaColor;
import de.extio.game_engine.renderer.work.RenderingBoPool;
import de.extio.game_engine.renderer.model.bo.DrawWindowRenderingBo;
import de.extio.game_engine.spatial2.WorldUtils2;
import de.extio.game_engine.spatial2.SpatialUtils2;
import de.extio.game_engine.spatial2.model.Area2;
import de.extio.game_engine.spatial2.model.CoordD2;
import de.extio.game_engine.spatial2.model.CoordI2;
@@ -82,7 +82,7 @@ public class Window implements HasPositionAndDimension2, AutoCloseable {
// return false;
synchronized (WINDOWS) {
for (final Window window : WINDOWS) {
if (WorldUtils2.intersects(window, area)) {
if (SpatialUtils2.intersects(window, area)) {
return true;
}
}
@@ -163,7 +163,7 @@ public class Window implements HasPositionAndDimension2, AutoCloseable {
}
public boolean intersects(final CoordI2 coord) {
return WorldUtils2.intersects(this.area.getPosition(), this.area.getDimension(), coord, ImmutableCoordI2.one());
return SpatialUtils2.intersects(this.area.getPosition(), this.area.getDimension(), coord, ImmutableCoordI2.one());
}
public void render(final List<RenderingBo> renderingBo, final BiConsumer<List<RenderingBo>, RenderingBo> consumer) {