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Refactor G2DRendererControl to initialize viewport dimensions with ImmutableCoordI2 and optimize viewport update logic

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extio-de
2025-12-21 17:55:44 +01:00
parent 8fe63b2658
commit f5ef32dea6
1 changed files with 11 additions and 7 deletions
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14
src/main/java/de/extio/game_engine/renderer/g2d/G2DRendererControl.java
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@@ -23,9 +23,9 @@ public class G2DRendererControl implements RendererControl {
private RendererData rendererData;
private CoordI2 absoluteViewportDimension = REFERENCE_RESOLUTION;
private CoordI2 absoluteViewportDimension = ImmutableCoordI2.one();
private CoordI2 effectiveViewportDimension = REFERENCE_RESOLUTION;
private CoordI2 effectiveViewportDimension = ImmutableCoordI2.one();
private double scaleFactor = 1.0;
@@ -153,15 +153,16 @@ public class G2DRendererControl implements RendererControl {
public void updateViewPort(final boolean lockRenderer, final boolean async) {
// This method is called several times in a row by mainFrame resize event handler by intention
// I've discovered in debugger that sometimes when only a black viewPort is displayed the volatile image backing the bufferStrategy is only a few pixels in size
// Letting the resize events do their job seemed to fix it
// Letting the resize events do their job seemed to fix it --> createBufferStrategy is called multiple times in a row here intentionally
final Runnable run = () -> {
if (lockRenderer) {
this.renderer.getWriteLock().lock();
}
try {
this.updateAbsoluteViewportPortDimension();
if (this.updateAbsoluteViewportPortDimension()) {
this.recalculate();
}
this.renderer.getMainFrame().createBufferStrategy();
this.renderer.getMainFrame().resizeListenerEnabled = true;
}
@@ -185,11 +186,14 @@ public class G2DRendererControl implements RendererControl {
this.calculateViewportEffectiveDimension();
}
private void updateAbsoluteViewportPortDimension() {
private boolean updateAbsoluteViewportPortDimension() {
boolean changed = false;
final var absoluteDim = this.absoluteViewportDimension;
if (absoluteDim == null || absoluteDim.getX() != this.renderer.getMainFrame().getWidth() || absoluteDim.getY() != this.renderer.getMainFrame().getHeight()) {
this.absoluteViewportDimension = ImmutableCoordI2.create(this.renderer.getMainFrame().getWidth(), this.renderer.getMainFrame().getHeight());
changed = true;
}
return changed;
}
private void calculateViewportEffectiveDimension() {