Add image element support to maps.

samples/ayunami2000/VideoMapPacketCodec.java

@@ -48,7 +48,14 @@ public class VideoMapPacketCodec {
 	 * @param posZ audio playback Z coord
 	 */
 	public VideoMapPacketCodec(int[][] mapIds, double posX, double posY, double posZ) {
-		this(mapIds, posX, posY, posZ, 1.0f);
+		this(mapIds, posX, posY, posZ, 0.5f);
+	}
+
+	/**
+	 * @param mapIds 2D grid of map IDs that make up the screen (mapIds[y][x])
+	 */
+	public VideoMapPacketCodec(int[][] mapIds) {
+		this(mapIds, 0, 100, 0, 0.5f);
 	}
 
 	/**

samples/ayunami2000/VideoMapPacketCodecBukkit.java

@@ -28,13 +28,23 @@ public class VideoMapPacketCodecBukkit extends VideoMapPacketCodec {
 	 * @param posZ audio playback Z coord
 	 */
 	public VideoMapPacketCodecBukkit(int[][] mapIds, double posX, double posY, double posZ) {
-		super(mapIds, posX, posY, posZ, 1.0f);
+		super(mapIds, posX, posY, posZ);
+	}
+
+	/**
+	 * @param mapIds 2D grid of map IDs that make up the screen (mapIds[y][x])
+	 */
+	public VideoMapPacketCodecBukkit(int[][] mapIds) {
+		super(mapIds);
 	}
 	
 	public static class VideoMapPacket {
 		protected final Object packet;
 		protected VideoMapPacket(byte[] packet) {
-			this.packet = new Packet131ItemData((short)104, (short)0, packet);
+			this(packet, false);
+		}
+		protected VideoMapPacket(byte[] packet, boolean image) {
+			this.packet = new Packet131ItemData((short)(104 + (image ? 1 : 0)), (short)0, packet);
 		}
 		public Object getNativePacket() {
 			return packet;
@@ -73,6 +83,14 @@ public class VideoMapPacketCodecBukkit extends VideoMapPacketCodec {
 		return new VideoMapPacket(disableVideo());
 	}
 
+	/**
+	 * unloads image and resets all map object to vanilla renderer
+	 * @return packet to send to players
+	 */
+	public VideoMapPacket disableImageBukkit() {
+		return new VideoMapPacket(disableVideo(), true);
+	}
+
 	/**
 	 * syncs the server side video timestamp with players
 	 * @return packet to send to players
@@ -81,6 +99,14 @@ public class VideoMapPacketCodecBukkit extends VideoMapPacketCodec {
 		return new VideoMapPacket(syncPlaybackWithPlayers());
 	}
 
+	/**
+	 * syncs the server side image with players
+	 * @return packet to send to players
+	 */
+	public VideoMapPacket syncPlaybackWithPlayersImageBukkit() {
+		return new VideoMapPacket(syncPlaybackWithPlayers(), true);
+	}
+
 	/**
 	 * @param url URL to an MP4 or other HTML5 supported video file
 	 * @param loop If the video file should loop
@@ -91,6 +117,14 @@ public class VideoMapPacketCodecBukkit extends VideoMapPacketCodec {
 		return new VideoMapPacket(beginPlayback(url, loop, duration));
 	}
 
+	/**
+	 * @param url URL to a PNG, JPEG, GIF, or other HTML5 supported image file
+	 * @return packet to send to players
+	 */
+	public VideoMapPacket beginPlaybackImageBukkit(String url) {
+		return new VideoMapPacket(beginPlayback(url, loop, duration));
+	}
+
 	/**
 	 * Tells the browser to pre-load a URL to a video to be played in the future
 	 * @param url the URL of the video
@@ -101,6 +135,16 @@ public class VideoMapPacketCodecBukkit extends VideoMapPacketCodec {
 		return new VideoMapPacket(bufferVideo(url, ttl));
 	}
 
+	/**
+	 * Tells the browser to pre-load a URL to an image to be played in the future
+	 * @param url the URL of the image
+	 * @param ttl the amount of time the image should stay loaded
+	 * @return packet to send to players
+	 */
+	public static VideoMapPacket bufferImageBukkit(String url, int ttl) {
+		return new VideoMapPacket(bufferVideo(url, ttl), true);
+	}
+
 	/**
 	 * @param time time in seconds to seek the video to
 	 */

src/lwjgl/java/net/lax1dude/eaglercraft/adapter/EaglerAdapterImpl2.java

@@ -675,6 +675,43 @@ public class EaglerAdapterImpl2 {
 		throw new UnsupportedOperationException("Video is not supported in LWJGL runtime");
 	}
 
+	public static final boolean isImageSupported() {
+		return false;
+	}
+	public static final void loadImage(String src) {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final void loadImage(String src, String setJavascriptPointer) {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final void loadImage(String src, String setJavascriptPointer, String javascriptOnloadFunction) {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final void bufferImage(String src, int ttl) {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final void unloadImage() {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final boolean isImageLoaded() {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final void updateImageTexture() {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final void bindImageTexture() {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final int getImageWidth() {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final int getImageHeight() {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+	public static final void setImageFrameRate(float seconds) {
+		throw new UnsupportedOperationException("Image is not supported in LWJGL runtime");
+	}
+
 	// =======================================================================================
 	// =======================================================================================
 	// =======================================================================================

src/main/java/net/minecraft/src/ItemMap.java

@@ -360,4 +360,64 @@ public class ItemMap extends ItemMapBase {
 			e.printStackTrace();
 		}
 	}
+
+	public static void processImageMap(WorldClient theWorld, byte[] data) {
+		if(!EaglerAdapter.isImageSupported()) {
+			return;
+		}
+		try {
+			DataInputStream dat = new DataInputStream(new ByteArrayInputStream(data));
+			int op = dat.read();
+			if(op == 0) {
+				int count = dat.read();
+				int w = (count >> 4) & 0xF;
+				int h = count & 0xF;
+				for(int y = 0; y < h; ++y) {
+					for(int x = 0; x < w; ++x) {
+						getMapById(theWorld, dat.readUnsignedShort()).enableVideoPlayback = false;
+					}
+				}
+				EaglerAdapter.unloadImage();
+			}else if(op == 8) {
+				int ttl = dat.readInt();
+				String src = dat.readUTF();
+				EaglerAdapter.bufferImage(src, ttl);
+			}else {
+				boolean fullResetPacket = (op & 2) == 2;
+				boolean positionPacket = (op & 4) == 4;
+
+				int fps = 0;
+				int len = 0;
+				String url = null;
+				if(fullResetPacket) {
+					int count = dat.read();
+					int w = (count >> 4) & 0xF;
+					int h = count & 0xF;
+					float wf = 1.0f / w;
+					float hf = 1.0f / h;
+					for(int y = 0; y < h; ++y) {
+						for(int x = 0; x < w; ++x) {
+							MapData mp = getMapById(theWorld, dat.readUnsignedShort());
+							mp.videoX1 = x * wf;
+							mp.videoY1 = y * hf;
+							mp.videoX2 = mp.videoX1 + wf;
+							mp.videoY2 = mp.videoY1 + hf;
+							mp.enableVideoPlayback = true;
+						}
+					}
+					fps = dat.read();
+					len = dat.readInt();
+					url = dat.readUTF();
+				}
+
+				if(fullResetPacket) {
+					EaglerAdapter.setImageFrameRate(fps);
+					EaglerAdapter.loadImage(url);
+				}
+			}
+		}catch(IOException e) {
+			System.err.println("Failed to read image map packet! " + e.toString());
+			e.printStackTrace();
+		}
+	}
 }

src/main/java/net/minecraft/src/MapData.java

@@ -1,6 +1,5 @@
 package net.minecraft.src;
 
-import java.io.ByteArrayInputStream;
 import java.io.DataInputStream;
 import java.io.IOException;
 import java.io.InputStream;

src/main/java/net/minecraft/src/MapItemRenderer.java

@@ -30,7 +30,9 @@ public class MapItemRenderer {
 		float texX2 = 1.0f;
 		float texY1 = 0.0f;
 		float texY2 = 1.0f;
-		boolean isVideoMode = EaglerAdapter.isVideoSupported() && par3MapData.enableVideoPlayback && EaglerAdapter.isVideoLoaded();
+		boolean isVideoOrImageMode = EaglerAdapter.isVideoSupported() && par3MapData.enableVideoPlayback;
+		boolean isVideoMode = isVideoOrImageMode && EaglerAdapter.isVideoLoaded();
+		boolean isImageMode = isVideoOrImageMode && EaglerAdapter.isImageLoaded();
 		if(isVideoMode) {
 			EaglerAdapter.glEnable(EaglerAdapter.EAG_SWAP_RB);
 			EaglerAdapter.updateVideoTexture();
@@ -39,6 +41,13 @@ public class MapItemRenderer {
 			texY1 = par3MapData.videoY1;
 			texX2 = par3MapData.videoX2;
 			texY2 = par3MapData.videoY2;
+		}else if(isImageMode) {
+			EaglerAdapter.updateImageTexture();
+			EaglerAdapter.bindImageTexture();
+			texX1 = par3MapData.videoX1;
+			texY1 = par3MapData.videoY1;
+			texX2 = par3MapData.videoX2;
+			texY2 = par3MapData.videoY2;
 		}else {
 			if(par3MapData.enableAyunami) {
 				System.arraycopy(par3MapData.ayunamiPixels, 0, intArray, 0, intArray.length);

src/main/java/net/minecraft/src/NetClientHandler.java

@@ -1017,6 +1017,8 @@ public class NetClientHandler extends NetHandler {
 			ItemMap.readAyunamiMapPacket(this.mc.theWorld, par1Packet131MapData.uniqueID, par1Packet131MapData.itemData);
 		} else if (par1Packet131MapData.itemID == 104) {
 			ItemMap.processVideoMap(this.mc.theWorld, par1Packet131MapData.itemData);
+		} else if (par1Packet131MapData.itemID == 105) {
+			ItemMap.processImageMap(this.mc.theWorld, par1Packet131MapData.itemData);
 		} else {
 			System.err.println("Unknown itemid: " + par1Packet131MapData.itemID);
 		}

src/teavm/java/net/lax1dude/eaglercraft/adapter/EaglerAdapterImpl2.java

@@ -35,6 +35,7 @@ import org.teavm.jso.dom.html.HTMLCanvasElement;
 import org.teavm.jso.dom.html.HTMLDocument;
 import org.teavm.jso.dom.html.HTMLElement;
 import org.teavm.jso.dom.html.HTMLVideoElement;
+import org.teavm.jso.dom.html.HTMLImageElement;
 import org.teavm.jso.media.MediaError;
 import org.teavm.jso.typedarrays.ArrayBuffer;
 import org.teavm.jso.typedarrays.Float32Array;
@@ -1189,6 +1190,171 @@ public class EaglerAdapterImpl2 {
 		}
 	}
 
+	private static HTMLImageElement currentImage = null;
+	private static TextureGL imageTexture = null;
+	private static boolean imageIsLoaded = false;
+	private static boolean imageTexIsInitialized = false;
+	private static int imageFrameRate = 33;
+	private static long imageFrameTimer = 0l;
+
+	public static final boolean isImageSupported() {
+		return true;
+	}
+	public static final void loadImage(String src) {
+		loadImage(src, null);
+	}
+	public static final void loadImage(String src, String setJavascriptPointer) {
+		loadImage(src, setJavascriptPointer, null);
+	}
+
+	@JSBody(params = { "ptr", "el" }, script = "window[ptr] = el;")
+	private static native void setImagePointer(String ptr, HTMLImageElement el);
+	@JSBody(params = { "ptr", "el" }, script = "window[ptr](el);")
+	private static native void callImageLoadEvent(String ptr, HTMLImageElement el);
+
+	public static final void loadImage(String src, String setJavascriptPointer, final String javascriptOnloadFunction) {
+		imageIsLoaded = false;
+		imageTexIsInitialized = false;
+		if(imageTexture == null) {
+			imageTexture = _wglGenTextures();
+		}
+		if(currentImage != null) {
+			currentImage.setSrc("");
+		}
+
+		BufferedImageElem img = imagesBuffer.get(src);
+
+		if(img != null) {
+			currentImage = img.imageElement;
+			imagesBuffer.remove(src);
+		}else {
+			currentImage = (HTMLImageElement) win.getDocument().createElement("img");
+			currentImage.setAttribute("crossorigin", "anonymous");
+		}
+
+		if(setJavascriptPointer != null) {
+			setImagePointer(setJavascriptPointer, currentImage);
+		}
+
+		currentImage.addEventListener("load", new EventListener<Event>() {
+			@Override
+			public void handleEvent(Event evt) {
+				imageIsLoaded = true;
+				if(javascriptOnloadFunction != null) {
+					callImageLoadEvent(javascriptOnloadFunction, currentImage);
+				}
+			}
+		});
+
+		if(img == null) {
+			currentImage.setSrc(src);
+		}
+	}
+
+	private static class BufferedImageElem {
+
+		protected final HTMLImageElement imageElement;
+		protected final String url;
+		protected final long requestedTime;
+		protected final int ttl;
+
+		public BufferedImageElem(HTMLImageElement imageElement, String url, int ttl) {
+			this.imageElement = imageElement;
+			this.url = url;
+			this.requestedTime = System.currentTimeMillis();
+			this.ttl = ttl;
+		}
+
+	}
+
+	private static final HashMap<String, BufferedImageElem> imagesBuffer = new HashMap();
+
+	public static final void bufferImage(String src, int ttl) {
+		if(!imagesBuffer.containsKey(src)) {
+			HTMLImageElement image = (HTMLImageElement) win.getDocument().createElement("img");
+			image.setAttribute("crossorigin", "anonymous");
+			image.setSrc(src);
+			imagesBuffer.put(src, new BufferedImageElem(image, src, ttl));
+		}
+	}
+
+	public static final void unloadImage() {
+		if(imageTexture != null) {
+			_wglDeleteTextures(imageTexture);
+			imageTexture = null;
+		}
+		if(currentImage != null) {
+			currentImage.setSrc("");
+			currentImage = null;
+		}
+	}
+	public static final boolean isImageLoaded() {
+		return imageTexture != null && currentImage != null && imageIsLoaded;
+	}
+
+	@JSBody(
+			params = {"ctx", "target", "internalformat", "format", "type", "image"},
+			script = "ctx.texImage2D(target, 0, internalformat, format, type, image);"
+	)
+	private static native void html5ImageTexImage2D(WebGL2RenderingContext ctx, int target, int internalformat, int format, int type, HTMLImageElement image);
+
+	@JSBody(
+			params = {"ctx", "target", "format", "type", "image"},
+			script = "ctx.texSubImage2D(target, 0, 0, 0, format, type, image);"
+	)
+	private static native void html5ImageTexSubImage2D(WebGL2RenderingContext ctx, int target, int format, int type, HTMLImageElement image);
+
+	public static final void updateImageTexture() {
+		long ms = System.currentTimeMillis();
+		if(ms - imageFrameTimer < imageFrameRate && imageTexIsInitialized) {
+			return;
+		}
+		imageFrameTimer = ms;
+		if(currentImage != null && imageTexture != null && imageIsLoaded) {
+			try {
+				_wglBindTexture(_wGL_TEXTURE_2D, imageTexture);
+				if(imageTexIsInitialized) {
+					html5ImageTexSubImage2D(webgl, _wGL_TEXTURE_2D, _wGL_RGBA, _wGL_UNSIGNED_BYTE, currentImage);
+				}else {
+					html5ImageTexImage2D(webgl, _wGL_TEXTURE_2D, _wGL_RGBA, _wGL_RGBA, _wGL_UNSIGNED_BYTE, currentImage);
+					_wglTexParameteri(_wGL_TEXTURE_2D, _wGL_TEXTURE_WRAP_S, _wGL_CLAMP);
+					_wglTexParameteri(_wGL_TEXTURE_2D, _wGL_TEXTURE_WRAP_T, _wGL_CLAMP);
+					_wglTexParameteri(_wGL_TEXTURE_2D, _wGL_TEXTURE_MIN_FILTER, _wGL_LINEAR);
+					_wglTexParameteri(_wGL_TEXTURE_2D, _wGL_TEXTURE_MAG_FILTER, _wGL_LINEAR);
+					imageTexIsInitialized = true;
+				}
+			}catch(Throwable t) {
+				// rip
+			}
+		}
+	}
+	public static final void bindImageTexture() {
+		if(imageTexture != null) {
+			_wglBindTexture(_wGL_TEXTURE_2D, imageTexture);
+		}
+	}
+	public static final int getImageWidth() {
+		if(currentImage != null && imageIsLoaded) {
+			return currentImage.getWidth();
+		}else {
+			return -1;
+		}
+	}
+	public static final int getImageHeight() {
+		if(currentImage != null && imageIsLoaded) {
+			return currentImage.getHeight();
+		}else {
+			return -1;
+		}
+	}
+
+	public static final void setImageFrameRate(float fps) {
+		frameRate = (int)(1000.0f / fps);
+		if(frameRate < 1) {
+			frameRate = 1;
+		}
+	}
+	
 	private static MouseEvent currentEvent = null;
 	private static KeyboardEvent currentEventK = null;
 	private static boolean[] buttonStates = new boolean[8];