http-service: add sprite service

http-service/src/main/java/net/runelite/http/service/sprite/SpriteController.java

@@ -0,0 +1,72 @@
+/*
+ * Copyright (c) 2018, Adam <[email protected]>
+ * 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.http.service.sprite;
+
+import com.google.common.cache.CacheBuilder;
+import com.google.common.cache.CacheLoader;
+import com.google.common.cache.LoadingCache;
+import java.io.IOException;
+import java.util.concurrent.TimeUnit;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequestMapping("/sprite")
+public class SpriteController
+{
+	@Autowired
+	private SpriteService spriteService;
+
+	private final LoadingCache<Integer, byte[]> spriteCache = CacheBuilder.newBuilder()
+		.maximumSize(1024L)
+		.expireAfterWrite(10, TimeUnit.MINUTES)
+		.build(new CacheLoader<Integer, byte[]>()
+		{
+			@Override
+			public byte[] load(Integer key) throws Exception
+			{
+				byte[] data = spriteService.getImagePng(key >>> 16, key & 0xffff);
+				return data != null ? data : new byte[0];
+			}
+		});
+
+	@RequestMapping(produces = "image/png")
+	public ResponseEntity<byte[]> getSprite(
+		@RequestParam int spriteId,
+		@RequestParam(defaultValue = "0") int frameId
+	) throws IOException
+	{
+		byte[] data = spriteCache.getUnchecked(spriteId << 16 | frameId);
+		if (data == null || data.length == 0)
+		{
+			return ResponseEntity.notFound().build();
+		}
+
+		return ResponseEntity.ok(data);
+	}
+}

http-service/src/main/java/net/runelite/http/service/sprite/SpriteService.java

@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2018, Adam <[email protected]>
+ * 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.http.service.sprite;
+
+import java.awt.image.BufferedImage;
+import java.io.ByteArrayOutputStream;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+import net.runelite.cache.IndexType;
+import net.runelite.cache.definitions.SpriteDefinition;
+import net.runelite.cache.definitions.loaders.SpriteLoader;
+import net.runelite.cache.fs.ArchiveFiles;
+import net.runelite.cache.fs.FSFile;
+import net.runelite.http.service.cache.CacheService;
+import net.runelite.http.service.cache.beans.ArchiveEntry;
+import net.runelite.http.service.cache.beans.CacheEntry;
+import net.runelite.http.service.cache.beans.IndexEntry;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class SpriteService
+{
+	@Autowired
+	private CacheService cacheService;
+
+	public SpriteDefinition getSprite(int spriteId, int frameId) throws IOException
+	{
+		CacheEntry cache = cacheService.findMostRecent();
+		if (cache == null)
+		{
+			return null;
+		}
+
+		IndexEntry index = cacheService.findIndexForCache(cache, IndexType.SPRITES.getNumber());
+		if (index == null)
+		{
+			return null;
+		}
+
+		ArchiveEntry archive = cacheService.findArchiveForIndex(index, spriteId);
+		if (archive == null)
+		{
+			return null;
+		}
+
+		ArchiveFiles files = cacheService.getArchiveFiles(archive);
+		if (files == null)
+		{
+			return null;
+		}
+
+		FSFile file = files.getFiles().get(0);
+		byte[] contents = file.getContents();
+		SpriteDefinition[] sprite = new SpriteLoader().load(archive.getArchiveId(), contents);
+		if (frameId < 0 || frameId >= sprite.length)
+		{
+			return null;
+		}
+
+		return sprite[frameId];
+	}
+
+	public BufferedImage getImage(int spriteId, int frameId) throws IOException
+	{
+		SpriteDefinition sprite = getSprite(spriteId, frameId);
+		if (sprite == null)
+		{
+			return null;
+		}
+
+		BufferedImage bufferedImage = getSpriteImage(sprite);
+		return bufferedImage;
+	}
+
+	public byte[] getImagePng(int spriteId, int frameId) throws IOException
+	{
+		BufferedImage image = getImage(spriteId, frameId);
+		if (image == null)
+		{
+			return null;
+		}
+
+		ByteArrayOutputStream bao = new ByteArrayOutputStream();
+		ImageIO.write(image, "png", bao);
+		return bao.toByteArray();
+	}
+
+	private BufferedImage getSpriteImage(SpriteDefinition sprite)
+	{
+		BufferedImage image = new BufferedImage(sprite.getWidth(), sprite.getHeight(), BufferedImage.TYPE_INT_ARGB);
+		image.setRGB(0, 0, sprite.getWidth(), sprite.getHeight(), sprite.getPixels(), 0, sprite.getWidth());
+		return image;
+	}
+}