cache: add item sprite renderer

Most of the code is slightly deobfuscated and stripped down from the client

cache/src/test/java/net/runelite/cache/item/ItemSpriteFactoryTest.java

@@ -0,0 +1,118 @@
+/*
+ * Copyright (c) 2018, Adam <Adam@sigterm.info>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this
+ *    list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package net.runelite.cache.item;
+
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+import lombok.extern.slf4j.Slf4j;
+import net.runelite.cache.IndexType;
+import net.runelite.cache.ItemManager;
+import net.runelite.cache.SpriteManager;
+import net.runelite.cache.StoreLocation;
+import net.runelite.cache.TextureManager;
+import net.runelite.cache.definitions.ItemDefinition;
+import net.runelite.cache.definitions.ModelDefinition;
+import net.runelite.cache.definitions.loaders.ModelLoader;
+import net.runelite.cache.definitions.providers.ModelProvider;
+import net.runelite.cache.fs.Archive;
+import net.runelite.cache.fs.Index;
+import net.runelite.cache.fs.Store;
+import org.junit.Ignore;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+
+@Slf4j
+public class ItemSpriteFactoryTest
+{
+	@Rule
+	public TemporaryFolder folder = StoreLocation.getTemporaryFolder();
+
+	@Test
+	@Ignore
+	public void test() throws IOException
+	{
+		File base = StoreLocation.LOCATION,
+			outDir = folder.newFolder();
+
+		int count = 0;
+
+		try (Store store = new Store(base))
+		{
+			store.load();
+
+			ItemManager itemManager = new ItemManager(store);
+			itemManager.load();
+
+			ModelProvider modelProvider = new ModelProvider()
+			{
+				@Override
+				public ModelDefinition provide(int modelId) throws IOException
+				{
+					Index models = store.getIndex(IndexType.MODELS);
+					Archive archive = models.getArchive(modelId);
+
+					byte[] data = archive.decompress(store.getStorage().loadArchive(archive));
+					ModelDefinition inventoryModel = new ModelLoader().load(modelId, data);
+					return inventoryModel;
+				}
+			};
+
+			SpriteManager spriteManager = new SpriteManager(store);
+			spriteManager.load();
+
+			TextureManager textureManager = new TextureManager(store);
+			textureManager.load();
+
+			for (ItemDefinition itemDef : itemManager.getItems())
+			{
+				if (itemDef.name == null || itemDef.name.equalsIgnoreCase("null"))
+				{
+					continue;
+				}
+
+				try
+				{
+					BufferedImage sprite = ItemSpriteFactory.createSprite(itemManager, modelProvider, spriteManager, textureManager,
+						itemDef.id, 1, 1, 3153952, false);
+
+					File out = new File(outDir, itemDef.id + ".png");
+					BufferedImage img = sprite;
+					ImageIO.write(img, "PNG", out);
+
+					++count;
+				}
+				catch (Exception ex)
+				{
+					log.warn("error dumping item {}", itemDef.id, ex);
+				}
+			}
+		}
+
+		log.info("Dumped {} item images to {}", count, outDir);
+	}
+}