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/*
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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.ai.pathfinding;
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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 com.almasb.fxgl.core.math.FXGLMath;
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import com.almasb.fxgl.dsl.components.RandomAStarMoveComponent;
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import com.almasb.fxgl.pathfinding.CellMoveComponent;
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import com.almasb.fxgl.pathfinding.astar.AStarCell;
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import com.almasb.fxgl.pathfinding.astar.AStarMoveComponent;
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import com.almasb.fxgl.pathfinding.astar.TraversableGrid;
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import com.almasb.fxgl.pathfinding.dungeon.DungeonGrid;
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import com.almasb.fxgl.pathfinding.maze.MazeGrid;
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import javafx.scene.paint.Color;
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import javafx.scene.shape.Line;
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import javafx.scene.shape.Rectangle;
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import javafx.util.Duration;
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import static com.almasb.fxgl.dsl.FXGL.addUINode;
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import static com.almasb.fxgl.dsl.FXGL.entityBuilder;
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/**
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* @author Almas Baim (https://github.com/AlmasB)
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*/
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public class MazeGenSample extends GameApplication {
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@Override
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protected void initSettings(GameSettings settings) {
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settings.setWidth(1280);
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settings.setHeight(720);
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}
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@Override
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protected void initGame() {
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var dungeon = new MazeGrid(30, 26);
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var scale = 40;
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var agent = entityBuilder()
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.viewWithBBox(new Rectangle(scale, scale, Color.BLUE))
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.with(new CellMoveComponent(scale, scale, 150))
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.with(new AStarMoveComponent<>(dungeon))
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.zIndex(1)
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.anchorFromCenter()
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.buildAndAttach();
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for (int y = 0; y < 26; y++) {
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for (int x = 0; x < 30; x++) {
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var finalX = x;
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var finalY = y;
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var tile = dungeon.get(x, y);
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var rect = new Rectangle(scale, scale, Color.WHITE);
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if (tile.hasLeftWall()) {
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var line = new Line(x*scale, y*scale, x*scale, (y+1)*scale);
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line.setStrokeWidth(2);
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line.setStroke(Color.DARKGRAY);
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addUINode(line);
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}
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if (tile.hasTopWall()) {
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var line = new Line(x*scale, y*scale, (x+1) * scale, y*scale);
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line.setStrokeWidth(2);
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line.setStroke(Color.DARKGRAY);
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addUINode(line);
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}
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if (!tile.isWalkable()) {
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rect.setFill(Color.GRAY);
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} else {
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rect.setFill(Color.WHITE);
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agent.getComponent(AStarMoveComponent.class).stopMovementAt(finalX, finalY);
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rect.setOnMouseClicked(e -> {
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agent.getComponent(AStarMoveComponent.class).moveToCell(finalX, finalY);
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});
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if (FXGLMath.randomBoolean(0.09)) {
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spawnNPC(x, y, dungeon);
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}
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}
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entityBuilder()
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.at(x*scale, y*scale)
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.view(rect)
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.buildAndAttach();
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}
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}
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}
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private void spawnNPC(int x, int y, TraversableGrid<?> grid) {
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var view = new Rectangle(40, 40, FXGLMath.randomColor().brighter().brighter());
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view.setStroke(Color.BLACK);
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view.setStrokeWidth(2);
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var e = entityBuilder()
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.zIndex(2)
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.viewWithBBox(view)
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.anchorFromCenter()
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.with(new CellMoveComponent(40, 40, 150))
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.with(new AStarMoveComponent<>(grid))
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.with(new RandomAStarMoveComponent<AStarCell>(1, 7, Duration.seconds(1), Duration.seconds(3)))
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.buildAndAttach();
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e.getComponent(AStarMoveComponent.class).stopMovementAt(x, y);
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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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}
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