package net.minecraft.client.gui.contextualbar;

import net.minecraft.client.DeltaTracker;
import net.minecraft.client.Minecraft;
import net.minecraft.client.gui.GuiGraphicsExtractor;
import net.minecraft.client.player.LocalPlayer;
import net.minecraft.client.renderer.RenderPipelines;
import net.minecraft.resources.Identifier;

public class ExperienceBar implements ContextualBar {
	private static final Identifier EXPERIENCE_BAR_BACKGROUND_SPRITE = Identifier.withDefaultNamespace("hud/experience_bar_background");
	private static final Identifier EXPERIENCE_BAR_PROGRESS_SPRITE = Identifier.withDefaultNamespace("hud/experience_bar_progress");
	private final Minecraft minecraft;

	public ExperienceBar(final Minecraft minecraft) {
		this.minecraft = minecraft;
	}

	@Override
	public void extractBackground(final GuiGraphicsExtractor graphics, final DeltaTracker deltaTracker) {
		LocalPlayer player = this.minecraft.player;
		int left = this.left(this.minecraft.getWindow());
		int top = this.top(this.minecraft.getWindow());
		int xpNeededForNextLevel = player.getXpNeededForNextLevel();
		if (xpNeededForNextLevel > 0) {
			int progress = (int)(player.experienceProgress * 183.0F);
			graphics.blitSprite(RenderPipelines.GUI_TEXTURED, EXPERIENCE_BAR_BACKGROUND_SPRITE, left, top, 182, 5);
			if (progress > 0) {
				graphics.blitSprite(RenderPipelines.GUI_TEXTURED, EXPERIENCE_BAR_PROGRESS_SPRITE, 182, 5, 0, 0, left, top, progress, 5);
			}
		}
	}

	@Override
	public void extractRenderState(final GuiGraphicsExtractor graphics, final DeltaTracker deltaTracker) {
	}
}