Update to use Mojang's nine_slice implementation for rendering

Author: mezz

Common/src/main/java/mezz/jei/common/Constants.java

@@ -7,6 +7,7 @@
 public final class Constants {
 	public static final IRecipeType<?> UNIVERSAL_RECIPE_TRANSFER_TYPE = IRecipeType.create(ModIds.JEI_ID, "universal_recipe_transfer_handler", Object.class);
 	public static final ResourceLocation LOCATION_JEI_GUI_TEXTURE_ATLAS = ResourceLocation.fromNamespaceAndPath(ModIds.JEI_ID, "textures/atlas/gui.png");
+	public static final ResourceLocation JEI_GUI_TEXTURE_ATLAS_ID = ResourceLocation.fromNamespaceAndPath(ModIds.JEI_ID, "gui");
 
 	private Constants() {
 

Common/src/main/java/mezz/jei/common/Internal.java

@@ -5,7 +5,7 @@
 import mezz.jei.common.config.ClientToggleState;
 import mezz.jei.common.config.IClientToggleState;
 import mezz.jei.common.config.IJeiClientConfigs;
-import mezz.jei.common.gui.textures.JeiSpriteUploader;
+import mezz.jei.common.gui.textures.JeiGuiSpriteManager;
 import mezz.jei.common.gui.textures.Textures;
 import mezz.jei.common.input.IInternalKeyMappings;
 import mezz.jei.common.network.IConnectionToServer;
@@ -43,7 +43,7 @@ public static Textures getTextures() {
 		if (textures == null) {
 			Minecraft minecraft = Minecraft.getInstance();
 			TextureManager textureManager = minecraft.getTextureManager();
-			JeiSpriteUploader spriteUploader = new JeiSpriteUploader(textureManager);
+			JeiGuiSpriteManager spriteUploader = new JeiGuiSpriteManager(textureManager);
 			textures = new Textures(spriteUploader);
 		}
 		return textures;

Common/src/main/java/mezz/jei/common/gui/elements/DrawableNineSliceTexture.java

@@ -3,7 +3,7 @@
 import com.mojang.blaze3d.vertex.VertexConsumer;
 import mezz.jei.api.gui.drawable.IDrawableStatic;
 import mezz.jei.common.Constants;
-import mezz.jei.common.gui.textures.JeiSpriteUploader;
+import mezz.jei.common.gui.textures.JeiGuiSpriteManager;
 import net.minecraft.client.Minecraft;
 import net.minecraft.client.gui.GuiGraphics;
 import net.minecraft.client.renderer.RenderType;
@@ -12,7 +12,7 @@
 import org.joml.Matrix4f;
 
 public class DrawableSprite implements IDrawableStatic {
-	private final JeiSpriteUploader spriteUploader;
+	private final JeiGuiSpriteManager spriteManager;
 	private final ResourceLocation location;
 	private final int width;
 	private final int height;
@@ -21,8 +21,8 @@ public class DrawableSprite implements IDrawableStatic {
 	private int trimTop;
 	private int trimBottom;
 
-	public DrawableSprite(JeiSpriteUploader spriteUploader, ResourceLocation location, int width, int height) {
-		this.spriteUploader = spriteUploader;
+	public DrawableSprite(JeiGuiSpriteManager spriteManager, ResourceLocation location, int width, int height) {
+		this.spriteManager = spriteManager;
 		this.location = location;
 		this.width = width;
 		this.height = height;
@@ -53,7 +53,7 @@ public void draw(GuiGraphics guiGraphics, int xOffset, int yOffset) {
 
 	@Override
 	public void draw(GuiGraphics guiGraphics, int xOffset, int yOffset, int maskTop, int maskBottom, int maskLeft, int maskRight) {
-		TextureAtlasSprite sprite = spriteUploader.getSprite(location);
+		TextureAtlasSprite sprite = spriteManager.getSprite(location);
 		int textureWidth = this.width;
 		int textureHeight = this.height;
 

Common/src/main/java/mezz/jei/common/gui/elements/DrawableSprite.java

@@ -0,0 +1,69 @@
+package mezz.jei.common.gui.elements;
+
+import mezz.jei.api.gui.drawable.IScalableDrawable;
+import mezz.jei.common.gui.textures.JeiGuiSpriteManager;
+import mezz.jei.common.platform.IPlatformRenderHelper;
+import mezz.jei.common.platform.Services;
+import mezz.jei.common.util.ImmutableRect2i;
+import net.minecraft.client.gui.GuiGraphics;
+import net.minecraft.client.renderer.RenderType;
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.client.resources.metadata.gui.GuiSpriteScaling;
+import net.minecraft.resources.ResourceLocation;
+
+public class ScalableDrawable implements IScalableDrawable {
+	private final JeiGuiSpriteManager spriteUploader;
+	private final ResourceLocation location;
+
+	public ScalableDrawable(JeiGuiSpriteManager spriteUploader, ResourceLocation location) {
+		this.spriteUploader = spriteUploader;
+		this.location = location;
+	}
+
+	public void draw(GuiGraphics guiGraphics, ImmutableRect2i area) {
+		draw(guiGraphics, area.getX(), area.getY(), area.getWidth(), area.getHeight());
+	}
+
+	@Override
+	public void draw(GuiGraphics guiGraphics, int xOffset, int yOffset, int width, int height) {
+		TextureAtlasSprite sprite = spriteUploader.getSprite(location);
+		GuiSpriteScaling scaling = spriteUploader.getSpriteScaling(sprite);
+
+		switch (scaling) {
+			case GuiSpriteScaling.Tile tileScaling -> {
+				IPlatformRenderHelper renderHelper = Services.PLATFORM.getRenderHelper();
+				renderHelper.blitTiledSprite(
+					guiGraphics,
+					RenderType::guiTextured,
+					sprite,
+					tileScaling,
+					xOffset,
+					yOffset,
+					width,
+					height
+				);
+			}
+			case GuiSpriteScaling.NineSlice nineSliceScaling -> {
+				IPlatformRenderHelper renderHelper = Services.PLATFORM.getRenderHelper();
+				renderHelper.blitNineSlicedSprite(
+					guiGraphics,
+					RenderType::guiTextured,
+					sprite,
+					nineSliceScaling,
+					xOffset,
+					yOffset,
+					width,
+					height
+				);
+			}
+			default -> guiGraphics.blitSprite(
+				RenderType::guiTextured,
+				location,
+				xOffset,
+				yOffset,
+				width,
+				height
+			);
+		}
+	}
+}

Common/src/main/java/mezz/jei/common/gui/elements/ScalableDrawable.java

@@ -0,0 +1,40 @@
+package mezz.jei.common.gui.textures;
+
+import mezz.jei.common.Constants;
+import net.minecraft.client.renderer.texture.SpriteContents;
+import net.minecraft.client.renderer.texture.TextureAtlasSprite;
+import net.minecraft.client.renderer.texture.TextureManager;
+import net.minecraft.client.resources.TextureAtlasHolder;
+import net.minecraft.client.resources.metadata.animation.AnimationMetadataSection;
+import net.minecraft.client.resources.metadata.gui.GuiMetadataSection;
+import net.minecraft.client.resources.metadata.gui.GuiSpriteScaling;
+import net.minecraft.resources.ResourceLocation;
+import net.minecraft.server.packs.resources.ResourceMetadata;
+
+import java.util.Set;
+
+public class JeiGuiSpriteManager extends TextureAtlasHolder {
+	public JeiGuiSpriteManager(TextureManager textureManager) {
+		super(textureManager, Constants.LOCATION_JEI_GUI_TEXTURE_ATLAS, Constants.JEI_GUI_TEXTURE_ATLAS_ID, Set.of(AnimationMetadataSection.TYPE, GuiMetadataSection.TYPE));
+	}
+
+	/**
+	 * Overridden to make it public
+	 */
+	@Override
+	public TextureAtlasSprite getSprite(ResourceLocation location) {
+		return super.getSprite(location);
+	}
+
+	public GuiSpriteScaling getSpriteScaling(TextureAtlasSprite sprite) {
+		return this.getMetadata(sprite).scaling();
+	}
+
+	private GuiMetadataSection getMetadata(TextureAtlasSprite sprite) {
+		SpriteContents contents = sprite.contents();
+		ResourceMetadata metadata = contents.metadata();
+		return metadata.getSection(GuiMetadataSection.TYPE)
+			.orElse(GuiMetadataSection.DEFAULT);
+	}
+
+}