From 79431a7fca0a6c7775234787d78395920f3fa280 Mon Sep 17 00:00:00 2001
From: Recrown <yunyangdeng@gmail.com>
Date: Tue, 6 Jun 2017 19:06:57 -0500
Subject: [PATCH] setup shader files

---
 android/assets/shaders/default_frag.glsl       | 16 ++++++++++++++++
 android/assets/shaders/default_vertex.glsl     | 16 ++++++++++++++++
 android/assets/shaders/retro.glsl              |  4 ----
 core/src/zero1hd/polyjet/Polyjet.java          |  4 ++++
 core/src/zero1hd/polyjet/screens/MainMenu.java |  1 +
 5 files changed, 37 insertions(+), 4 deletions(-)
 create mode 100755 android/assets/shaders/default_frag.glsl
 create mode 100755 android/assets/shaders/default_vertex.glsl
 delete mode 100755 android/assets/shaders/retro.glsl

diff --git a/android/assets/shaders/default_frag.glsl b/android/assets/shaders/default_frag.glsl
new file mode 100755
index 0000000..7d6f868
--- /dev/null
+++ b/android/assets/shaders/default_frag.glsl
@@ -0,0 +1,16 @@
+#ifdef GL_ES
+#define LOWP lowp
+    precision mediump float;
+#else
+    #define LOWP
+#endif
+
+varying LOWP vec4 v_color;
+varying vec2 v_texCoords;
+
+uniform sampler2D u_texture;
+
+void main()
+{
+    gl_FragColor = v_color * texture2D(u_texture, v_texCoords);
+}
diff --git a/android/assets/shaders/default_vertex.glsl b/android/assets/shaders/default_vertex.glsl
new file mode 100755
index 0000000..75fd649
--- /dev/null
+++ b/android/assets/shaders/default_vertex.glsl
@@ -0,0 +1,16 @@
+attribute vec4 a_position;
+attribute vec4 a_color;
+attribute vec2 a_texCoord;
+
+uniform mat4 u_projTrans;
+
+varying vec4 v_color;
+varying vec2 v_texCoords;
+
+void main()
+{
+    v_color = a_color;
+    v_color.a = v_color.a * (256.0/255.0);
+    v_texCoords = a_texCoord + 0;
+    gl_Position =  u_projTrans * a_position;
+}
diff --git a/android/assets/shaders/retro.glsl b/android/assets/shaders/retro.glsl
deleted file mode 100755
index b5ae5f0..0000000
--- a/android/assets/shaders/retro.glsl
+++ /dev/null
@@ -1,4 +0,0 @@
-void main()
-{
-    gl_FragColor = vec4(0.0, 0.0, 0.0, 0.0);
-}
diff --git a/core/src/zero1hd/polyjet/Polyjet.java b/core/src/zero1hd/polyjet/Polyjet.java
index d1ee508..cc81c55 100755
--- a/core/src/zero1hd/polyjet/Polyjet.java
+++ b/core/src/zero1hd/polyjet/Polyjet.java
@@ -18,6 +18,7 @@ import com.badlogic.gdx.graphics.g2d.ParticleEffect;
 import com.badlogic.gdx.graphics.g2d.TextureAtlas;
 import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator;
 import com.badlogic.gdx.graphics.g2d.freetype.FreeTypeFontGenerator.FreeTypeFontParameter;
+import com.badlogic.gdx.graphics.glutils.ShaderProgram;
 import com.badlogic.gdx.math.MathUtils;
 import com.badlogic.gdx.scenes.scene2d.ui.Button.ButtonStyle;
 import com.badlogic.gdx.scenes.scene2d.ui.CheckBox.CheckBoxStyle;
@@ -50,6 +51,8 @@ public class Polyjet extends Game {
 	TextureAtlas skinAtlas;
 	private Preferences prefs;
 	
+	public ShaderProgram defaultShader;
+	
 	@Override
 	public void create() {
 		Gdx.app.setLogLevel(Application.LOG_DEBUG);
@@ -86,6 +89,7 @@ public class Polyjet extends Game {
 		assetManager.setLoader(ParticleEffect.class, new ParticleEffectLoader(genericFileFinder));
 		assetManager.setLoader(Sound.class, new SoundLoader(genericFileFinder));
 		
+		defaultShader = new ShaderProgram(Gdx.files.internal("shaders/default_vertex.glsl").readString(), Gdx.files.internal("shaders/default_frag.glsl").readString());
 		
 		default_fontGenerator = new FreeTypeFontGenerator(Gdx.files.internal("fonts/Gasalt-Regular.ttf"));
 		darktech_ldr_fontGenerator = new FreeTypeFontGenerator(Gdx.files.internal("fonts/darktech_ldr.ttf"));
diff --git a/core/src/zero1hd/polyjet/screens/MainMenu.java b/core/src/zero1hd/polyjet/screens/MainMenu.java
index d7ec4a0..5755b51 100755
--- a/core/src/zero1hd/polyjet/screens/MainMenu.java
+++ b/core/src/zero1hd/polyjet/screens/MainMenu.java
@@ -107,6 +107,7 @@ public class MainMenu extends ScreenAdapter implements TransitionAdapter {
 		Gdx.gl.glClearColor(1f, 1f, 1f, 1f);
         Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
 		stage.act();
+		
 		stage.draw();
 		if (stage.getCamera().position.x != targetPosition.x || stage.getCamera().position.y != targetPosition.y) {
 			stage.getCamera().position.lerp(targetPosition, 0.25f);