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add trigger support (wip)

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Quillraven
2025-05-25 21:31:21 +02:00
parent eb42851379
commit 68e5da62a6
2 changed files with 47 additions and 3 deletions
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46
core/src/main/java/io/github/com/quillraven/tiled/TiledAshleySpawner.java
View File

@@ -7,9 +7,11 @@ import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.maps.MapLayer;
import com.badlogic.gdx.maps.MapObject;
import com.badlogic.gdx.maps.MapObjects;
import com.badlogic.gdx.maps.objects.RectangleMapObject;
import com.badlogic.gdx.maps.tiled.TiledMap;
import com.badlogic.gdx.maps.tiled.TiledMapTileLayer;
import com.badlogic.gdx.maps.tiled.objects.TiledMapTileMapObject;
import com.badlogic.gdx.math.Rectangle;
import com.badlogic.gdx.math.Vector2;
import com.badlogic.gdx.physics.box2d.Body;
import com.badlogic.gdx.physics.box2d.BodyDef;
@@ -36,6 +38,21 @@ public class TiledAshleySpawner {
loadTileLayer(tileLayer);
} else if ("objects".equals(layer.getName())) {
loadObjectLayer(layer);
} else if ("trigger".equals(layer.getName())) {
loadTriggerLayer(layer);
}
}
}
private void loadTriggerLayer(MapLayer triggerLayer) {
for (MapObject mapObject : triggerLayer.getObjects()) {
if (mapObject instanceof RectangleMapObject rectMapObj) {
Entity entity = this.engine.createEntity();
addEntityTransform(rectMapObj, entity);
addEntityPhysic(rectMapObj, entity);
this.engine.addEntity(entity);
} else {
throw new GdxRuntimeException("Unsupported trigger: " + mapObject.getClass().getSimpleName());
}
}
}
@@ -48,7 +65,7 @@ public class TiledAshleySpawner {
if (mapObject instanceof TiledMapTileMapObject tileMapObject) {
spawnEntityOf(tileMapObject);
} else {
throw new GdxRuntimeException("Unsupported map object: " + mapObject.getClass().getSimpleName());
throw new GdxRuntimeException("Unsupported object: " + mapObject.getClass().getSimpleName());
}
}
}
@@ -63,6 +80,22 @@ public class TiledAshleySpawner {
this.engine.addEntity(entity);
}
private void addEntityPhysic(RectangleMapObject rectMapObj, Entity entity) {
BodyDef bodyDef = new BodyDef();
bodyDef.type = BodyDef.BodyType.StaticBody;
Transform transform = entity.getComponent(Transform.class);
bodyDef.position.set(transform.position());
bodyDef.fixedRotation = true;
Body body = this.physicWorld.createBody(bodyDef);
body.setUserData(entity);
FixtureDef fixtureDef = TiledPhysics.fixtureDefOfMapObject(rectMapObj, transform.scaling(), new Vector2(transform.position()));
body.createFixture(fixtureDef);
fixtureDef.shape.dispose();
entity.add(new Physic(body, new Vector2(body.getPosition())));
}
private void addEntityPhysic(MapObjects objects, Entity entity) {
if (objects.getCount() == 0) return;
@@ -94,4 +127,15 @@ public class TiledAshleySpawner {
entity.add(new Transform(position, 0, size, scaling, 0f));
}
private void addEntityTransform(RectangleMapObject rectMapObj, Entity entity) {
Rectangle rect = rectMapObj.getRectangle();
Vector2 position = new Vector2(rect.getX(), rect.getY());
Vector2 size = new Vector2(rect.getWidth(), rect.getHeight());
position.scl(GdxGame.UNIT_SCALE);
size.scl(GdxGame.UNIT_SCALE);
entity.add(new Transform(position, 0, size, new Vector2(1f, 1f), 0f));
}
}

4
core/src/main/java/io/github/com/quillraven/tiled/TiledPhysics.java
View File

@@ -21,8 +21,8 @@ import io.github.com.quillraven.GdxGame;
public final class TiledPhysics {
// relativeTo is necessary for map objects that are directly placed on a layer because
// their x/y is equal to the position of the object, but we need it relative to 0,0 like it
// relativeTo is necessary for map objects that are directly placed on a layer (like rectangles for trigger).
// Their x/y is equal to the position of the object, but we need it relative to 0,0 like it
// is in the collision editor of a tile.
public static FixtureDef fixtureDefOfMapObject(MapObject mapObject, Vector2 scaling, Vector2 relativeTo) {
if (mapObject instanceof RectangleMapObject rectMapObj) {