refactor replaystuff cursor drawing

2018-10-26 00:05:59 +02:00
parent a3c1cfad9e
commit 2b83657907
6 changed files with 192 additions and 105 deletions
--- a/src/yugecin/opsudance/ReplayCursors.java
+++ b/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();
+	}
+}