From f548c4828f72d63b2e592712584ef8f733ebf316 Mon Sep 17 00:00:00 2001
From: Recrown <yunyangdeng@gmail.com>
Date: Thu, 12 Oct 2017 14:54:35 -0500
Subject: [PATCH] functioning main menu with scissor issue

---
 .../rhythmbullet/screens/MainMenu.java        | 75 +++++++++----------
 1 file changed, 37 insertions(+), 38 deletions(-)

diff --git a/core/src/zero1hd/rhythmbullet/screens/MainMenu.java b/core/src/zero1hd/rhythmbullet/screens/MainMenu.java
index 7a18888..e6a016f 100755
--- a/core/src/zero1hd/rhythmbullet/screens/MainMenu.java
+++ b/core/src/zero1hd/rhythmbullet/screens/MainMenu.java
@@ -4,6 +4,7 @@ import com.badlogic.gdx.Gdx;
 import com.badlogic.gdx.Input.Keys;
 import com.badlogic.gdx.ScreenAdapter;
 import com.badlogic.gdx.graphics.GL20;
+import com.badlogic.gdx.graphics.OrthographicCamera;
 import com.badlogic.gdx.graphics.Pixmap.Format;
 import com.badlogic.gdx.graphics.g2d.Batch;
 import com.badlogic.gdx.graphics.g2d.SpriteBatch;
@@ -129,6 +130,7 @@ public class MainMenu extends ScreenAdapter implements TransitionAdapter {
 			batch = new SpriteBatch();
 			screenViewport = new ScreenViewport();
 			screenViewport.update(Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
+			((OrthographicCamera) screenViewport.getCamera()).setToOrtho(false, Gdx.graphics.getWidth(), Gdx.graphics.getHeight());
 			
 			Gdx.app.debug("Shader", "using glow shader");
 			brightFilterShader = new ShaderProgram(Gdx.files.internal("shaders/basic.vsh"), Gdx.files.internal("shaders/bright_filter.fsh"));
@@ -197,58 +199,55 @@ public class MainMenu extends ScreenAdapter implements TransitionAdapter {
 			//Begin drawing a normal version of screen
 			stage.getViewport().apply();
 			normalBuffer.begin();
-			Gdx.gl.glClearColor(0.1f, 0.1f, 0f, 1f);
-//			Gdx.gl.glClearColor(0.22f, 0f, 0f, 1f);
+			Gdx.gl.glClearColor(0.22f, 0f, 0f, 1f);
 			Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 			stage.draw();
 			normalBuffer.end();
 
 			//BEGINNING NORMAL SCREEN RENDER
 			screenViewport.apply();
-			//Begin light filtering
-//			lightFilterBuffer.begin();
-//			Gdx.gl.glClearColor(0f, 0f, 0f, 1f);
-//			Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
-//			fboRegion.setTexture(normalBuffer.getColorBufferTexture());
-//			batch.setShader(brightFilterShader);
+			
+//			Begin light filtering
+			lightFilterBuffer.begin();
+			Gdx.gl.glClearColor(0f, 0f, 0f, 1f);
+			Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
+			fboRegion.setTexture(normalBuffer.getColorBufferTexture());
+			batch.setShader(brightFilterShader);
+			batch.setProjectionMatrix(screenViewport.getCamera().combined);
 			batch.begin(); //BATCH STARTS HERE
-//			batch.setProjectionMatrix(stage.getCamera().combined);
-//			batch.draw(fboRegion, 0, 0, stage.getWidth(), stage.getHeight());
-//			batch.flush();
-//			lightFilterBuffer.end();
+			batch.draw(fboRegion, 0, 0, stage.getWidth(), stage.getHeight());
+			batch.flush();
+			lightFilterBuffer.end();
 //			
-//			for (int i = 0; i < blurlvl; i++) {
-//				//Horizontal gaussian blur
-//				hBlur.begin();
-//				if (i > 0) {
-//					fboRegion.setTexture(vBlur.getColorBufferTexture());
-//				} else {
-//					fboRegion.setTexture(lightFilterBuffer.getColorBufferTexture());
-//				}
-//				batch.setShader(gaussianBlurShader);
-//				gaussianBlurShader.setUniformi("horizontal", 1);
-//				batch.draw(fboRegion, 0f, 0f, stage.getWidth(), stage.getHeight());
-//				batch.flush();
-//				hBlur.end();
-//				
+			for (int i = 0; i < blurlvl; i++) {
+//				Horizontal gaussian blur
+				hBlur.begin();
+				if (i > 0) {
+					fboRegion.setTexture(vBlur.getColorBufferTexture());
+				} else {
+					fboRegion.setTexture(lightFilterBuffer.getColorBufferTexture());
+				}
+				batch.setShader(gaussianBlurShader);
+				gaussianBlurShader.setUniformi("horizontal", 1);
+				batch.draw(fboRegion, 0f, 0f, stage.getWidth(), stage.getHeight());
+				batch.flush();
+				hBlur.end();
+				
 //				//Vertical gaussian blur
-//				vBlur.begin();
-//				fboRegion.setTexture(hBlur.getColorBufferTexture());
-//				batch.setShader(gaussianBlurShader);
-//				gaussianBlurShader.setUniformi("horizontal", 0);
-//				batch.draw(fboRegion, 0f, 0f, stage.getWidth(), stage.getHeight());
-//				batch.flush();
-//				vBlur.end();
-//			}
+				vBlur.begin();
+				fboRegion.setTexture(hBlur.getColorBufferTexture());
+				batch.setShader(gaussianBlurShader);
+				gaussianBlurShader.setUniformi("horizontal", 0);
+				batch.draw(fboRegion, 0f, 0f, stage.getWidth(), stage.getHeight());
+				batch.flush();
+				vBlur.end();
+			}
 
 			Gdx.gl.glClearColor(0f, 0f, 0f, 0f);
 			Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
-//			batch.setShader(combineShader);
+			batch.setShader(combineShader);
 			fboRegion.setTexture(normalBuffer.getColorBufferTexture());
 			batch.draw(fboRegion, 0f, 0f, stage.getWidth(), stage.getHeight());
-//			System.out.println(stage.getWidth() + "x" + stage.getHeight());
-//			System.out.println(screenViewport.getScreenWidth() + "x" + screenViewport.getScreenHeight());
-//			System.err.println(screenViewport.getWorldWidth() + "x" + screenViewport.getWorldHeight());
 			batch.setShader(null);
 			batch.end(); //STAGE BATCH ENDS HERE