minecraft-src/net/minecraft/client/gui/components/SpriteIconButton.java

package net.minecraft.client.gui.components;

import net.fabricmc.api.EnvType;
import net.fabricmc.api.Environment;
import net.minecraft.client.gui.Font;
import net.minecraft.client.gui.GuiGraphics;
import net.minecraft.client.renderer.RenderType;
import net.minecraft.network.chat.Component;
import net.minecraft.resources.ResourceLocation;
import org.jetbrains.annotations.Nullable;

@Environment(EnvType.CLIENT)
public abstract class SpriteIconButton extends Button {
	protected final ResourceLocation sprite;
	protected final int spriteWidth;
	protected final int spriteHeight;

	SpriteIconButton(
		int width,
		int height,
		Component message,
		int spriteWidth,
		int spriteHeight,
		ResourceLocation sprite,
		Button.OnPress onPress,
		@Nullable Button.CreateNarration createNarration
	) {
		super(0, 0, width, height, message, onPress, createNarration == null ? DEFAULT_NARRATION : createNarration);
		this.spriteWidth = spriteWidth;
		this.spriteHeight = spriteHeight;
		this.sprite = sprite;
	}

	public static SpriteIconButton.Builder builder(Component message, Button.OnPress onPress, boolean iconOnly) {
		return new SpriteIconButton.Builder(message, onPress, iconOnly);
	}

	@Environment(EnvType.CLIENT)
	public static class Builder {
		private final Component message;
		private final Button.OnPress onPress;
		private final boolean iconOnly;
		private int width = 150;
		private int height = 20;
		@Nullable
		private ResourceLocation sprite;
		private int spriteWidth;
		private int spriteHeight;
		@Nullable
		Button.CreateNarration narration;

		public Builder(Component message, Button.OnPress onPress, boolean iconOnly) {
			this.message = message;
			this.onPress = onPress;
			this.iconOnly = iconOnly;
		}

		public SpriteIconButton.Builder width(int width) {
			this.width = width;
			return this;
		}

		public SpriteIconButton.Builder size(int width, int height) {
			this.width = width;
			this.height = height;
			return this;
		}

		public SpriteIconButton.Builder sprite(ResourceLocation sprite, int spriteWidth, int spriteHeight) {
			this.sprite = sprite;
			this.spriteWidth = spriteWidth;
			this.spriteHeight = spriteHeight;
			return this;
		}

		public SpriteIconButton.Builder narration(Button.CreateNarration narration) {
			this.narration = narration;
			return this;
		}

		public SpriteIconButton build() {
			if (this.sprite == null) {
				throw new IllegalStateException("Sprite not set");
			} else {
				return (SpriteIconButton)(this.iconOnly
					? new SpriteIconButton.CenteredIcon(this.width, this.height, this.message, this.spriteWidth, this.spriteHeight, this.sprite, this.onPress, this.narration)
					: new SpriteIconButton.TextAndIcon(this.width, this.height, this.message, this.spriteWidth, this.spriteHeight, this.sprite, this.onPress, this.narration));
			}
		}
	}

	@Environment(EnvType.CLIENT)
	public static class CenteredIcon extends SpriteIconButton {
		protected CenteredIcon(
			int i, int j, Component component, int k, int l, ResourceLocation resourceLocation, Button.OnPress onPress, @Nullable Button.CreateNarration createNarration
		) {
			super(i, j, component, k, l, resourceLocation, onPress, createNarration);
		}

		@Override
		public void renderWidget(GuiGraphics guiGraphics, int mouseX, int mouseY, float partialTick) {
			super.renderWidget(guiGraphics, mouseX, mouseY, partialTick);
			int i = this.getX() + this.getWidth() / 2 - this.spriteWidth / 2;
			int j = this.getY() + this.getHeight() / 2 - this.spriteHeight / 2;
			guiGraphics.blitSprite(RenderType::guiTextured, this.sprite, i, j, this.spriteWidth, this.spriteHeight);
		}

		@Override
		public void renderString(GuiGraphics guiGraphics, Font font, int color) {
		}
	}

	@Environment(EnvType.CLIENT)
	public static class TextAndIcon extends SpriteIconButton {
		protected TextAndIcon(
			int i, int j, Component component, int k, int l, ResourceLocation resourceLocation, Button.OnPress onPress, @Nullable Button.CreateNarration createNarration
		) {
			super(i, j, component, k, l, resourceLocation, onPress, createNarration);
		}

		@Override
		public void renderWidget(GuiGraphics guiGraphics, int mouseX, int mouseY, float partialTick) {
			super.renderWidget(guiGraphics, mouseX, mouseY, partialTick);
			int i = this.getX() + this.getWidth() - this.spriteWidth - 2;
			int j = this.getY() + this.getHeight() / 2 - this.spriteHeight / 2;
			guiGraphics.blitSprite(RenderType::guiTextured, this.sprite, i, j, this.spriteWidth, this.spriteHeight);
		}

		@Override
		public void renderString(GuiGraphics guiGraphics, Font font, int color) {
			int i = this.getX() + 2;
			int j = this.getX() + this.getWidth() - this.spriteWidth - 4;
			int k = this.getX() + this.getWidth() / 2;
			renderScrollingString(guiGraphics, font, this.getMessage(), k, i, this.getY(), j, this.getY() + this.getHeight(), color);
		}
	}
}