refactor replaystuff cursor drawing

src/itdelatrisu/opsu/states/Game.java

@@ -724,6 +724,10 @@ public class Game extends ComplexOpsuState {
 
 		UI.draw(g);
 
+		if (replayCursors == null) {
+			return;
+		}
+
 		//g.setColor(new Color(0.2f, 0.2f, 0.2f));
 		//g.fillRect(0, 0, ReplayPlayback.SQSIZE * 2, displayContainer.height);
 		//g.setColor(Color.black);
@@ -740,6 +744,7 @@ public class Game extends ComplexOpsuState {
 				replayPlayback.render(renderDelta, g, ypos, trackPosition);
 			//}
 		}
+		replayCursors.draw();
 	}
 
 	@Override
@@ -1473,7 +1478,8 @@ public class Game extends ComplexOpsuState {
 		return true;
 	}
 
-	private LinkedList<ReplayPlayback> replays;
+	private ReplayPlayback[] replays;
+	private ReplayCursors replayCursors;
 	@Override
 	public void enter() {
 		overlays.clear();
@@ -1485,7 +1491,7 @@ public class Game extends ComplexOpsuState {
 
 		super.enter();
 
-		File replaydir = new File("d:/Users/Robin/games/osu/osr-stuff-master/xi/");
+		File replaydir = new File("d:/Users/Robin/games/osu/osr-stuff-master/xi3/");
 		if (!replaydir.exists()) {
 			bubNotifs.sendf(Colors.BUB_RED, "replay folder '%s' does not exist", replaydir.getAbsolutePath());
 			displayContainer.switchStateInstantly(songMenuState);
@@ -1499,18 +1505,28 @@ public class Game extends ComplexOpsuState {
 			}
 		});
 
-		if (replays != null) {
+		if (replayCursors != null) {
-			for (ReplayPlayback r : replays) {
+			replayCursors.destroy();
-				r.cursor.destroy();
-			}
 		}
-		replays = new LinkedList<>();
+		final ArrayList<Replay> actualReplays = new ArrayList<>(50);
-		float hueshift = 360f / files.length + 6;
+		final ArrayList<ReplayPlayback.HitData> hitdatas = new ArrayList<>(50);
-		float hue = 0;
 		for (File file : files) {
 			final String datafilename = file.getName().substring(0, file.getName().length() - 3) + "ope";
 			final File hitdatafile = new File(file.getParentFile(), datafilename);
 			if (!hitdatafile.exists()) {
+				bubNotifs.sendf(Colors.BUB_RED, "no hitdata file for %s", file.getName());
+				continue;
+			}
+			final ReplayPlayback.HitData hitdata;
+			try {
+				hitdata = new ReplayPlayback.HitData(hitdatafile);
+			} catch (Exception e) {
+				bubNotifs.sendf(
+					Colors.BUB_RED,
+					"cannot parse hitdata for '%s': %s",
+					hitdatafile.getName(),
+					e.toString()
+				);
 				continue;
 			}
 			Replay r = new Replay(file);
@@ -1520,24 +1536,39 @@ public class Game extends ComplexOpsuState {
 				bubNotifs.sendf(Colors.BUB_RED, "could not load replay %s", file.getName());
 				continue;
 			}
-			final ReplayPlayback.HitData hitdata = new ReplayPlayback.HitData(hitdatafile);
+			actualReplays.add(r);
-			replays.add(new ReplayPlayback(r, hitdata, new Color(Color.white)));
+			hitdatas.add(hitdata);
-			hue += hueshift;
 		}
 
-		replays.sort(new Comparator<ReplayPlayback>() {
+		actualReplays.sort(new Comparator<Replay>() {
 			@Override
-			public int compare(ReplayPlayback o1, ReplayPlayback o2) {
+			public int compare(Replay o1, Replay o2) {
-				return Integer.compare(o2.replay.score, o1.replay.score);
+				return Integer.compare(o2.score, o1.score);
 			}
 		});
 
-		hue = 180;
+		replayCursors = new ReplayCursors(actualReplays.size());
-		for (ReplayPlayback r : replays) {
+		replays = new ReplayPlayback[actualReplays.size()];
-			Color c = new Color(java.awt.Color.getHSBColor((hue) / 360f, .7f, 1.0f).getRGB());
+
-			r.color = c;
+		float hueshift = 360f / actualReplays.size();
-			r.cursor.filter = c;
+		float hue = 180;
+
+		final Iterator<ReplayPlayback.HitData> hitdataIter = hitdatas.iterator();
+		final Iterator<Replay> replayIter = actualReplays.iterator();
+		int idx = 0;
+		while (replayIter.hasNext()) {
+			final Color c = new Color(java.awt.Color.HSBtoRGB((hue) / 360f, .7f, 1.0f));
+			final ReplayCursor cursor = new ReplayCursor(c);
+			replays[idx] = new ReplayPlayback(
+				replayIter.next(),
+				hitdataIter.next(),
+				c,
+				cursor
+			);
+			replayCursors.playbacks[idx] = replays[idx];
+
 			hue += hueshift;
+			idx++;
 		}
 
 		displayContainer.drawCursor = false;
@@ -1810,11 +1841,10 @@ public class Game extends ComplexOpsuState {
 
 		knorkesliders = null;
 
-		if (replays != null) {
+		if (replayCursors != null) {
-			for (ReplayPlayback r : replays) {
+			replayCursors.destroy();
-				r.cursor.destroy();
+			replayCursors = null;
-			}
+			replays = null;
-			replays.clear();
 		}
 
 		Dancer.instance.setGameObjects(null);

src/yugecin/opsudance/ReplayCursor.java

@@ -19,15 +19,10 @@
 package yugecin.opsudance;
 
 import java.awt.Point;
-import java.nio.IntBuffer;
 import java.util.Iterator;
 
-import org.lwjgl.BufferUtils;
 import org.lwjgl.opengl.*;
 import org.newdawn.slick.*;
-import org.newdawn.slick.opengl.Texture;
-
-import itdelatrisu.opsu.render.Rendertarget;
 
 import static itdelatrisu.opsu.GameImage.*;
 import static yugecin.opsudance.core.InstanceContainer.*;
@@ -40,80 +35,31 @@ public class ReplayCursor
 
 	public Color filter;
 
-	private Rendertarget fbo;
-
-	private static long nowtime;
-
 	public ReplayCursor(Color filter) {
 		this.filter = filter;
 		this.lastPosition = new Point(width2, 0);
-		this.fbo = Rendertarget.createRTTFramebuffer(width, height);
 	}
 
-	public void draw()
+	public void drawTrail(float trailw2, float trailh2, float txtw, float txth)
 	{
-		nowtime = System.currentTimeMillis();
-
-		// stuff copied from CurveRenderState and stuff, I don't know what I'm doing
-		int oldFb = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
-		int oldTex = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);
-		//glGetInteger requires a buffer of size 16, even though just 4
-		//values are returned in this specific case
-		IntBuffer oldViewport = BufferUtils.createIntBuffer(16);
-		GL11.glGetInteger(GL11.GL_VIEWPORT, oldViewport);
-		EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo.getID());
-		GL11.glViewport(0, 0, fbo.width, fbo.height);
-		// render
-		GL11.glClearColor(0f, 0f, 0f, 0f);
-		GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
-
-		final Image img = CURSOR_TRAIL.getImage();
-		final Texture txt = img.getTexture();
-		Color.white.bind();
-		txt.bind();
-
 		float alpha = 0f;
 		float alphaIncrease = .5f / trail.size;
-		float trailwidth2 = img.getWidth() * OPTION_CURSOR_SIZE.val / 100f / 2f;
-		float trailheight2 = img.getHeight() * OPTION_CURSOR_SIZE.val / 100f / 2f;
-		float txtwidth = txt.getWidth();
-		float txtheight = txt.getHeight();
-		GL11.glBegin(GL11.GL_QUADS);
 		for (Trailpart p : trail) {
 			alpha += alphaIncrease;
 			GL11.glColor4f(filter.r, filter.g, filter.b, alpha);
 			GL11.glTexCoord2f(0f, 0f);
-			GL11.glVertex3f(p.x - trailwidth2, p.y - trailheight2, 0f);
+			GL11.glVertex3f(p.x - trailw2, p.y - trailh2, 0f);
-			GL11.glTexCoord2f(txtwidth, 0);
+			GL11.glTexCoord2f(txtw, 0);
-			GL11.glVertex3f(p.x + trailwidth2, p.y - trailheight2, 0f);
+			GL11.glVertex3f(p.x + trailw2, p.y - trailh2, 0f);
-			GL11.glTexCoord2f(txtwidth, txtheight);
+			GL11.glTexCoord2f(txtw, txth);
-			GL11.glVertex3f(p.x + trailwidth2, p.y + trailheight2, 0f);
+			GL11.glVertex3f(p.x + trailw2, p.y + trailh2, 0f);
-			GL11.glTexCoord2f(0f, txtheight);
+			GL11.glTexCoord2f(0f, txth);
-			GL11.glVertex3f(p.x - trailwidth2, p.y + trailheight2, 0f);
+			GL11.glVertex3f(p.x - trailw2, p.y + trailh2, 0f);
 		}
-		GL11.glEnd();
+	}
-
-		GL11.glBindTexture(GL11.GL_TEXTURE_2D, oldTex);
-		EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, oldFb);
-		GL11.glViewport(oldViewport.get(0), oldViewport.get(1), oldViewport.get(2), oldViewport.get(3));
-
-		GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
-		GL11.glEnable(GL11.GL_TEXTURE_2D);
-		GL11.glDisable(GL11.GL_TEXTURE_1D);
-		GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.getTextureID());
-		GL11.glBegin(GL11.GL_QUADS);
-		GL11.glColor4f(1f, 1f, 1f, 1f);
-		GL11.glTexCoord2f(1f, 1f);
-		GL11.glVertex2i(fbo.width, 0);
-		GL11.glTexCoord2f(0f, 1f);
-		GL11.glVertex2i(0, 0);
-		GL11.glTexCoord2f(0f, 0f);
-		GL11.glVertex2i(0, fbo.height);
-		GL11.glTexCoord2f(1f, 0f);
-		GL11.glVertex2i(fbo.width, fbo.height);
-		GL11.glEnd();
-		GL14.glBlendFuncSeparate(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
 	
+	public void drawCursor()
+	{
 		CURSOR.getScaledImage(OPTION_CURSOR_SIZE.val / 100f).drawCentered(lastPosition.x, lastPosition.y, filter);
 		CURSOR_MIDDLE.getScaledImage(OPTION_CURSOR_SIZE.val / 100f).drawCentered(lastPosition.x, lastPosition.y, filter);
 	}
@@ -186,11 +132,6 @@ public class ReplayCursor
 		return trail.size != size;
 	}
 
-	public void destroy()
-	{
-		this.fbo.destroyRTT();
-	}
-
 	private static class TrailList implements Iterable<Trailpart>
 	{
 		TrailNode first;

src/yugecin/opsudance/ReplayCursors.java

@@ -0,0 +1,112 @@
+/*
+ * opsu!dance - fork of opsu! with cursordance auto
+ * Copyright (C) 2018 yugecin
+ *
+ * opsu!dance is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * opsu!dance is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with opsu!dance.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package yugecin.opsudance;
+
+import org.lwjgl.BufferUtils;
+import org.lwjgl.opengl.*;
+import org.newdawn.slick.*;
+import org.newdawn.slick.opengl.Texture;
+
+import itdelatrisu.opsu.render.Rendertarget;
+
+import static itdelatrisu.opsu.GameImage.*;
+import static yugecin.opsudance.core.InstanceContainer.*;
+import static yugecin.opsudance.options.Options.*;
+
+import java.nio.IntBuffer;
+
+public class ReplayCursors
+{
+	public final ReplayPlayback[] playbacks;
+
+	private final Rendertarget fbo;
+
+	public ReplayCursors(int amount)
+	{
+		this.playbacks = new ReplayPlayback[amount];
+		this.fbo = Rendertarget.createRTTFramebuffer(width, height);
+	}
+
+	public void draw()
+	{
+		final Image img = CURSOR_TRAIL.getImage();
+		final Texture txt = img.getTexture();
+
+		final float trailw2 = img.getWidth() * OPTION_CURSOR_SIZE.val / 100f / 2f;
+		final float trailh2 = img.getHeight() * OPTION_CURSOR_SIZE.val / 100f / 2f;
+		float txtw = txt.getWidth();
+		float txth = txt.getHeight();
+
+		for (ReplayPlayback p : playbacks) {
+			if (!p.shouldDrawCursor()) {
+				continue;
+			}
+			// stuff copied from CurveRenderState and stuff, I don't know what I'm doing
+			int oldFb = GL11.glGetInteger(EXTFramebufferObject.GL_FRAMEBUFFER_BINDING_EXT);
+			int oldTex = GL11.glGetInteger(GL11.GL_TEXTURE_BINDING_2D);
+			IntBuffer oldViewport = BufferUtils.createIntBuffer(16);
+			GL11.glGetInteger(GL11.GL_VIEWPORT, oldViewport);
+			EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, fbo.getID());
+			GL11.glViewport(0, 0, fbo.width, fbo.height);
+			GL11.glClearColor(0f, 0f, 0f, 0f);
+			GL11.glClear(GL11.GL_COLOR_BUFFER_BIT | GL11.GL_DEPTH_BUFFER_BIT);
+
+			txt.bind();
+			GL11.glBegin(GL11.GL_QUADS);
+			p.cursor.drawTrail(trailw2, trailh2, txtw, txth);
+			GL11.glEnd();
+
+			GL11.glBindTexture(GL11.GL_TEXTURE_2D, oldTex);
+			EXTFramebufferObject.glBindFramebufferEXT(EXTFramebufferObject.GL_FRAMEBUFFER_EXT, oldFb);
+			GL11.glViewport(oldViewport.get(0), oldViewport.get(1), oldViewport.get(2), oldViewport.get(3));
+
+			GL11.glBlendFunc(GL11.GL_SRC_ALPHA, GL11.GL_ONE);
+			//GL11.glEnable(GL11.GL_TEXTURE_2D);
+			//GL11.glDisable(GL11.GL_TEXTURE_1D);
+			GL11.glBindTexture(GL11.GL_TEXTURE_2D, fbo.getTextureID());
+			GL11.glBegin(GL11.GL_QUADS);
+			GL11.glColor4f(1f, 1f, 1f, 1f);
+			GL11.glTexCoord2f(1f, 1f);
+			GL11.glVertex2i(fbo.width, 0);
+			GL11.glTexCoord2f(0f, 1f);
+			GL11.glVertex2i(0, 0);
+			GL11.glTexCoord2f(0f, 0f);
+			GL11.glVertex2i(0, fbo.height);
+			GL11.glTexCoord2f(1f, 0f);
+			GL11.glVertex2i(fbo.width, fbo.height);
+			GL11.glEnd();
+			GL14.glBlendFuncSeparate(GL11.GL_SRC_ALPHA, GL11.GL_ONE_MINUS_SRC_ALPHA, GL11.GL_ONE, GL11.GL_ONE_MINUS_SRC_ALPHA);
+
+			// something have to be drawn or things are broken... yeah...
+			CURSOR.getImage().draw(width, height);
+		}
+
+		for (ReplayPlayback p : playbacks) {
+			if (!p.shouldDrawCursor()) {
+				continue;
+			}
+			p.cursor.drawCursor();
+		}
+	}
+
+	public void destroy()
+	{
+		this.fbo.destroyRTT();
+	}
+}

src/yugecin/opsudance/ReplayPlayback.java

@@ -45,8 +45,8 @@ public class ReplayPlayback {
 	public ReplayFrame currentFrame;
 	public ReplayFrame nextFrame;
 	private int frameIndex;
-	public Color color;
+	private Color color;
-	public Color originalcolor;
+	private final Color originalcolor;
 	public final ReplayCursor cursor;
 	private int keydelay[];
 	public static final int SQSIZE = 15;
@@ -71,15 +71,13 @@ public class ReplayPlayback {
 
 	private static final Color missedColor = new Color(0.4f, 0.4f, 0.4f, 1f);
 
-	public ReplayPlayback(Replay replay, HitData hitdata, Color color) {
+	public ReplayPlayback(Replay replay, HitData hitdata, Color color, ReplayCursor cursor) {
 		this.replay = replay;
 		this.hitdata = hitdata;
 		resetFrameIndex();
-		this.color = color;
+		this.color = new Color(color);
-		this.originalcolor = new Color(color);
+		this.originalcolor = color;
-		Color cursorcolor = new Color(color);
+		this.cursor = cursor;
-		//cursorcolor.a = 0.5f;
-		cursor = new ReplayCursor(cursorcolor);
 		keydelay = new int[4];
 		this.player = replay.playerName;
 		this.playerwidth = Fonts.SMALLBOLD.getWidth(this.player);
@@ -298,7 +296,11 @@ public class ReplayPlayback {
 			y = height - y;
 		}
 		cursor.setCursorPosition(renderdelta, currentFrame.getScaledX(), y);
-		cursor.draw();
+	}
+
+	public boolean shouldDrawCursor()
+	{
+		return !missed;
 	}
 
 	private void processKeys() {

src/yugecin/opsudance/core/DisplayContainer.java

@@ -174,6 +174,7 @@ public class DisplayContainer implements ErrorDumpable, SkinChangedListener {
 
 	public void run() throws Exception {
 		while(!exitRequested && !(Display.isCloseRequested() && state.onCloseRequest()) || !confirmExit()) {
+			nowtime = System.currentTimeMillis();
 			delta = getDelta();
 
 			timeSinceLastRender += delta;

src/yugecin/opsudance/core/InstanceContainer.java

@@ -82,6 +82,7 @@ public class InstanceContainer {
 	public static boolean isWidescreen;
 	public static int mouseX, mouseY;
 	public static int renderDelta;
+	public static long nowtime;
 
 	public static void kickstart() {
 		updater = new Updater();