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1 +
/*
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* FXGL - JavaFX Game Library. The MIT License (MIT).
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* Copyright (c) AlmasB (almaslvl@gmail.com).
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* See LICENSE for details.
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*/
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package sandbox;
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import com.almasb.fxgl.app.GameApplication;
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import com.almasb.fxgl.app.GameSettings;
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import javafx.scene.input.KeyCode;
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import javafx.util.Duration;
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import java.util.Map;
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import static com.almasb.fxgl.dsl.FXGL.*;
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/**
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* @author Almas Baimagambetov (AlmasB) (almaslvl@gmail.com)
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*/
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public class VarChangeSample extends GameApplication {
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@Override
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protected void initSettings(GameSettings settings) { }
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@Override
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protected void initInput() {
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onKeyDown(KeyCode.F, "update", () -> {
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inc("time", +1.0);
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var name = gets("name");
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set("name", name + "H");
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});
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}
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@Override
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protected void initGameVars(Map<String, Object> vars) {
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vars.put("hp", 0);
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vars.put("time", 0.0);
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vars.put("name", "Hello");
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}
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@Override
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protected void initGame() {
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// the event builder way
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eventBuilder()
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.when(() -> geti("hp") == 7)
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.limit(4)
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.thenRun(() -> System.out.println("hello"))
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.buildAndStart();
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// the DSL way
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onDoubleChange("time", value -> {
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System.out.println(value);
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});
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onStringChange("name", value -> {
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System.out.println(value);
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});
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onStringChangeTo("name", "HelloHH", () -> {
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System.out.println("bye");
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});
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onIntChangeTo("hp", 5, () -> System.out.println("Hello"));
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run(() -> inc("hp", +1), Duration.seconds(1));
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}
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public static void main(String[] args) {
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launch(args);
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}
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}
Original file line number Diff line number Diff line change
@@ -16,6 +16,7 @@ import com.almasb.fxgl.app.services.SystemBundleService
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import com.almasb.fxgl.audio.AudioPlayer
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import com.almasb.fxgl.audio.Music
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import com.almasb.fxgl.core.EngineService
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import com.almasb.fxgl.core.collection.PropertyChangeListener
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import com.almasb.fxgl.core.concurrent.Async
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import com.almasb.fxgl.core.concurrent.Executor
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import com.almasb.fxgl.core.math.FXGLMath
@@ -326,6 +327,67 @@ class FXGL private constructor() { companion object {
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@JvmStatic fun inc(varName: String, value: Double) = getWorldProperties().increment(varName, value)
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@JvmStatic fun onIntChangeTo(varName: String, value: Int, action: Runnable): PropertyChangeListener<Int> {
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return onIntChange(varName) {
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if (it == value)
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action.run()
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}
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}
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@JvmStatic fun onIntChange(varName: String, action: Consumer<Int>): PropertyChangeListener<Int> {
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val listener = PropertyChangeListener<Int> { _, newValue -> action.accept(newValue) }
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getWorldProperties().addListener(varName, listener)
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return listener
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}
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@JvmStatic fun onDoubleChange(varName: String, action: Consumer<Double>): PropertyChangeListener<Double> {
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val listener = PropertyChangeListener<Double> { _, newValue -> action.accept(newValue) }
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getWorldProperties().addListener(varName, listener)
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return listener
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}
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@JvmStatic fun onBooleanChangeTo(varName: String, value: Boolean, action: Runnable): PropertyChangeListener<Boolean> {
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return onBooleanChange(varName) {
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if (it == value)
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action.run()
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}
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}
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@JvmStatic fun onBooleanChange(varName: String, action: Consumer<Boolean>): PropertyChangeListener<Boolean> {
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val listener = PropertyChangeListener<Boolean> { _, newValue -> action.accept(newValue) }
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getWorldProperties().addListener(varName, listener)
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return listener
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}
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@JvmStatic fun onStringChangeTo(varName: String, value: String, action: Runnable): PropertyChangeListener<String> {
369 +
return onStringChange(varName) {
370 +
if (it == value)
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action.run()
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}
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}
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@JvmStatic fun onStringChange(varName: String, action: Consumer<String>): PropertyChangeListener<String> {
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val listener = PropertyChangeListener<String> { _, newValue -> action.accept(newValue) }
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getWorldProperties().addListener(varName, listener)
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return listener
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}
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@JvmStatic fun <T> onObjectChange(varName: String, action: Consumer<T>): PropertyChangeListener<T> {
384 +
val listener = PropertyChangeListener<T> { _, newValue -> action.accept(newValue) }
385 + 386 +
getWorldProperties().addListener(varName, listener)
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return listener
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}
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/* ASSET LOADING */
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@JvmStatic fun image(assetName: String): Image = getAssetLoader().loadImage(assetName)
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