games.rednblack.editor.renderer.components.sprite.SpriteAnimationStateComponent Maven / Gradle / Ivy

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package games.rednblack.editor.renderer.components.sprite;

import com.artemis.PooledComponent;
import com.badlogic.gdx.graphics.g2d.Animation;
import com.badlogic.gdx.graphics.g2d.TextureAtlas;
import com.badlogic.gdx.graphics.g2d.TextureRegion;
import com.badlogic.gdx.utils.Array;
import games.rednblack.editor.renderer.data.FrameRange;

import java.util.Comparator;
import java.util.Objects;

public class SpriteAnimationStateComponent  extends PooledComponent {
    public transient Array allRegions;
	public transient Animation currentAnimation;
	public float time = 0.0f;

    public  boolean paused = false;

    private FrameRange lastFrameRange = null;
    private int lastFPS = -1;
    private Animation.PlayMode lastPlayMode = null;

    public SpriteAnimationStateComponent() {
    }

    public void setAllRegions(Array allRegions) {
        this.allRegions = sortAndGetRegions(allRegions);
    }

	public Animation get() {
		return currentAnimation;
	}

    public void set(SpriteAnimationComponent sac) {
        set(sac.frameRangeMap.get(sac.currentAnimation), sac.fps, sac.playMode);
    }

    public void set(FrameRange range, int fps, Animation.PlayMode playMode) {
        if (Objects.equals(range, lastFrameRange) && fps == lastFPS && Objects.equals(playMode, lastPlayMode) && currentAnimation != null)
            return;

        Array textureRegions = new Array<>(range.endFrame - range.startFrame + 1);
        for (int r = range.startFrame; r <= range.endFrame; r++) {
            textureRegions.add(allRegions.get(r));
        }

        currentAnimation =  new Animation(1f/fps, textureRegions, playMode);
        time = 0.0f;

        lastFrameRange = range;
        lastFPS = fps;
        lastPlayMode = playMode;
    }

    private Array sortAndGetRegions(Array regions) {
        regions.sort(new SortRegionsComparator());

        return regions;
    }

    @Override
    public void reset() {
        allRegions = null;
        currentAnimation = null;
        time = 0.0f;
        paused = false;
        lastFrameRange = null;
        lastFPS = -1;
        lastPlayMode = null;
    }

    private static class SortRegionsComparator implements Comparator {
        @Override
        public int compare(TextureAtlas.AtlasRegion o1, TextureAtlas.AtlasRegion o2) {
            return Integer.compare(o1.index, o2.index);
        }
    }
}