From 05c57aa798f97beecc08414df3659365d3a4918f Mon Sep 17 00:00:00 2001
From: "sigonasr2, Sig, Sigo" <sigonasr2@gmail.com>
Date: Tue, 5 Jul 2022 12:58:30 -0500
Subject: [PATCH] Initial commit

---
 Java/scripts/build.sh            |   9 +
 Java/scripts/clean.sh            |   4 +
 Java/scripts/commit.sh           |  20 ++
 Java/scripts/filelist            |   7 +
 Java/scripts/jar.sh              |  17 ++
 Java/scripts/md5                 |   6 +
 Java/scripts/release.sh          |  14 ++
 Java/scripts/update.sh           |   3 +
 Java/scripts/version_info        |   3 +
 README.md                        |  27 +++
 bin/JavaProjectTemplate.jar      | Bin 0 -> 8133 bytes
 sig                              |  11 ++
 src/sig/JavaProjectTemplate.java |  21 +++
 src/sig/engine/Color.java        |  38 ++++
 src/sig/engine/Edge.java         |  33 ++++
 src/sig/engine/Panel.java        | 314 +++++++++++++++++++++++++++++++
 src/sig/engine/Point.java        |  32 ++++
 tmp                              |  11 ++
 utils/.coauthors                 |   1 +
 utils/.updateDirectories         |   3 +
 utils/define.sh                  |  26 +++
 utils/filelist                   |   5 +
 utils/main.sh                    |  28 +++
 utils/md5                        |   4 +
 utils/search.sh                  | 103 ++++++++++
 25 files changed, 740 insertions(+)
 create mode 100755 Java/scripts/build.sh
 create mode 100755 Java/scripts/clean.sh
 create mode 100755 Java/scripts/commit.sh
 create mode 100644 Java/scripts/filelist
 create mode 100755 Java/scripts/jar.sh
 create mode 100644 Java/scripts/md5
 create mode 100644 Java/scripts/release.sh
 create mode 100755 Java/scripts/update.sh
 create mode 100644 Java/scripts/version_info
 create mode 100644 README.md
 create mode 100644 bin/JavaProjectTemplate.jar
 create mode 100755 sig
 create mode 100644 src/sig/JavaProjectTemplate.java
 create mode 100644 src/sig/engine/Color.java
 create mode 100644 src/sig/engine/Edge.java
 create mode 100644 src/sig/engine/Panel.java
 create mode 100644 src/sig/engine/Point.java
 create mode 100644 tmp
 create mode 100644 utils/.coauthors
 create mode 100644 utils/.updateDirectories
 create mode 100755 utils/define.sh
 create mode 100644 utils/filelist
 create mode 100644 utils/main.sh
 create mode 100644 utils/md5
 create mode 100644 utils/search.sh

diff --git a/Java/scripts/build.sh b/Java/scripts/build.sh
new file mode 100755
index 0000000..613d20e
--- /dev/null
+++ b/Java/scripts/build.sh
@@ -0,0 +1,9 @@
+#Builds and runs the project.
+#Java
+source ${LANGUAGE}/scripts/version_info
+javac -source ${SOURCE_VERSION} -target ${TARGET_VERSION} -Xlint:unchecked -cp ${CLASS_PATH} -d ${OUT_DIR} ${PROJECT_DIR}/*.java
+printf "\n\n\nRunning Program...\n\n"
+ORIGINAL_LOC=$(pwd)
+cd $OUT_DIR
+java -cp .:../lib/bin -Djava.library.path="${LIBRARY_PATH}" ${MAIN_CLASS} "$@"
+${ORIGINAL_LOC}/${LANGUAGE}/scripts/clean.sh
\ No newline at end of file
diff --git a/Java/scripts/clean.sh b/Java/scripts/clean.sh
new file mode 100755
index 0000000..0963522
--- /dev/null
+++ b/Java/scripts/clean.sh
@@ -0,0 +1,4 @@
+#Cleans up and removes unused files.
+#Java
+find -type f -name *.class -delete
+find -type f -name manifest -delete
\ No newline at end of file
diff --git a/Java/scripts/commit.sh b/Java/scripts/commit.sh
new file mode 100755
index 0000000..36b45b5
--- /dev/null
+++ b/Java/scripts/commit.sh
@@ -0,0 +1,20 @@
+#Adds a commit message and pushes project to github repository.
+#Java
+COMMIT_MESSAGE="$*"
+FIRST_LINE=true
+while IFS= read -r line
+do
+if [ "$FIRST_LINE" = true ]; then
+  COMMIT_MESSAGE+="
+
+Co-authored-by: $line"
+FIRST_LINE=false
+else
+  COMMIT_MESSAGE+="
+Co-authored-by: $line"
+fi
+done < utils/.coauthors
+git add -u
+git add *
+git commit -m "$COMMIT_MESSAGE"
+git push
\ No newline at end of file
diff --git a/Java/scripts/filelist b/Java/scripts/filelist
new file mode 100644
index 0000000..455d98e
--- /dev/null
+++ b/Java/scripts/filelist
@@ -0,0 +1,7 @@
+build.sh
+clean.sh
+commit.sh
+jar.sh
+release.sh
+update.sh
+version_info
diff --git a/Java/scripts/jar.sh b/Java/scripts/jar.sh
new file mode 100755
index 0000000..d201c59
--- /dev/null
+++ b/Java/scripts/jar.sh
@@ -0,0 +1,17 @@
+#Builds a runnable jar file using ${MAIN_CLASS} as an entry point and then runs the newly generated jar.
+#Java
+source ${LANGUAGE}/scripts/version_info
+rm -Rf bin/*
+javac -source ${SOURCE_VERSION} -target ${TARGET_VERSION} -Xlint:unchecked -cp ${CLASS_PATH} -d ${OUT_DIR} ${PROJECT_DIR}/${PROJECT_NAME}.java
+printf "\n\n\nGenerating Manifest...\n\n"
+touch manifest
+echo "Main-Class: ${MAIN_CLASS}" >> manifest
+printf "\n\n\nCreating Jar...\n\n"
+ORIGINAL_LOC=$(pwd)
+cd ${OUT_DIR}
+jar cfm ${PROJECT_NAME}.jar ${ORIGINAL_LOC}/manifest sig
+jar uf ${PROJECT_NAME}.jar -C ../lib/bin/ .
+printf "\n\n\nRunning Program...\n\n"
+java -cp .:../lib/bin -Djava.library.path="${LIBRARY_PATH}" -jar ${PROJECT_NAME}.jar "$@"
+../${LANGUAGE}/scripts/clean.sh
+cd ..
diff --git a/Java/scripts/md5 b/Java/scripts/md5
new file mode 100644
index 0000000..6ae0752
--- /dev/null
+++ b/Java/scripts/md5
@@ -0,0 +1,6 @@
+build.sh:22308eae5fd9c88aa16fef54cf03ae21  -
+clean.sh:668a2f9b568c55f6a044a509315032f6  -
+commit.sh:5e4448db9ad48e72ec3a1ff4f5763b41  -
+jar.sh:343cf505530401fb696296bc25a9b090  -
+release.sh:b1b62203411b18d0fec1db3dc2e5a061  -
+update.sh:3be721658983183efa395984acd96b03  -
diff --git a/Java/scripts/release.sh b/Java/scripts/release.sh
new file mode 100644
index 0000000..0f7389c
--- /dev/null
+++ b/Java/scripts/release.sh
@@ -0,0 +1,14 @@
+#Creates a zip file containing all project contents.
+#Java
+source ${LANGUAGE}/scripts/version_info
+TARGET_FILE="${PROJECT_NAME}_${RELEASE_VERSION}.zip"
+FILES=$(cat ${LANGUAGE}/scripts/.package.files) 
+echo "Creating Package $TARGET_FILE..."
+for f in $FILES
+do 
+    zip -ur $TARGET_FILE $f
+done
+echo "Complete!"
+echo ""
+echo ""
+echo ""
\ No newline at end of file
diff --git a/Java/scripts/update.sh b/Java/scripts/update.sh
new file mode 100755
index 0000000..517be05
--- /dev/null
+++ b/Java/scripts/update.sh
@@ -0,0 +1,3 @@
+#Pulls the latest version of the repository.
+#Java
+git pull
\ No newline at end of file
diff --git a/Java/scripts/version_info b/Java/scripts/version_info
new file mode 100644
index 0000000..719f74f
--- /dev/null
+++ b/Java/scripts/version_info
@@ -0,0 +1,3 @@
+export SOURCE_VERSION="8"
+export TARGET_VERSION="8"
+export RELEASE_VERSION="0.0a"
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..5421753
--- /dev/null
+++ b/README.md
@@ -0,0 +1,27 @@
+# JavaProjectTemplate
+Provides a Java pipeline for building applications and deploying a JAR with ease. Providing a base graphical engine (fast pixel blitting) with support for input should be enough to get any project going.
+
+The system will also use the SigScript updating system to keep files up-to-date.
+
+## Usage:
+**./sig** - Shows a menu with all scripts. Example output:
+```
+    gitpod /workspace/JavaProjectTemplate (main) $ ./sig
+
+    Usage: ./sig <command> {args}
+
+    ====    Current Configuration   =====================
+            PROJECT_NAME    JavaProjectTemplate
+            PROJECT_DIR                 src/sig
+            MAIN_CLASS     sig.JavaProjectTemplate
+            OUT_DIR                         bin
+    =====================================================
+
+    Command List:
+
+            build          Builds and runs the project.                                     
+            clean          Cleans up and removes unused files.                              
+            commit         Adds a commit message and pushes project to github repository.   
+            jar            Builds a runnable jar file using ${MAIN_CLASS} as an entry point and then runs the newly generated jar.
+```
+Configuration is modified at the top of the script file while the command list includes all included modules inside of `scripts`.
diff --git a/bin/JavaProjectTemplate.jar b/bin/JavaProjectTemplate.jar
new file mode 100644
index 0000000000000000000000000000000000000000..37133e2c71f4be13a732f86dd70340dc9c36b8e0
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diff --git a/sig b/sig
new file mode 100755
index 0000000..e4830e8
--- /dev/null
+++ b/sig
@@ -0,0 +1,11 @@
+export AUTO_UPDATE=true
+
+source utils/define.sh
+
+define PROJECT_NAME "JavaProjectTemplate"
+define PROJECT_DIR "src/sig"
+define MAIN_CLASS "sig.${PROJECT_NAME}"
+define OUT_DIR "bin"
+define LANGUAGE "Java"
+
+source utils/main.sh
\ No newline at end of file
diff --git a/src/sig/JavaProjectTemplate.java b/src/sig/JavaProjectTemplate.java
new file mode 100644
index 0000000..ac5ae34
--- /dev/null
+++ b/src/sig/JavaProjectTemplate.java
@@ -0,0 +1,21 @@
+package sig;
+
+import javax.swing.JFrame;
+import sig.engine.Panel;
+
+public class JavaProjectTemplate {
+	public static final String PROGRAM_NAME="Sig's Java Project Template";
+	public static void main(String[] args) {
+		JFrame f = new JFrame(PROGRAM_NAME);
+		Panel p = new Panel(f);
+		
+		p.init();
+		
+		f.add(p);
+		f.setSize(1280,720);
+		f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+		f.setVisible(true);
+		
+		p.render();
+	}
+}
diff --git a/src/sig/engine/Color.java b/src/sig/engine/Color.java
new file mode 100644
index 0000000..3a6bde7
--- /dev/null
+++ b/src/sig/engine/Color.java
@@ -0,0 +1,38 @@
+package sig.engine;
+
+public class Color {
+	int r,g,b,a;
+	
+	final static public Color BLACK = new Color(0,0,0);
+	final static public Color RED = new Color(204,0,0);
+	final static public Color GREEN = new Color(78,154,6);
+	final static public Color YELLOW = new Color(196,160,0);
+	final static public Color BLUE = new Color(114,159,207);
+	final static public Color MAGENTA = new Color(117,80,123);
+	final static public Color CYAN = new Color(6,152,154);
+	final static public Color WHITE = new Color(211,215,207);
+	final static public Color BRIGHT_BLACK = new Color(85,87,83);
+	final static public Color BRIGHT_RED = new Color(239,41,41);
+	final static public Color BRIGHT_GREEN = new Color(138,226,52);
+	final static public Color BRIGHT_YELLOW = new Color(252,233,79);
+	final static public Color BRIGHT_BLUE = new Color(50,175,255);
+	final static public Color BRIGHT_MAGENTA = new Color(173,127,168);
+	final static public Color BRIGHT_CYAN = new Color(52,226,226);
+	final static public Color BRIGHT_WHITE = new Color(255,255,255);
+
+	public Color(int r, int g, int b) {
+		this(r,g,b,255);
+	}
+
+	public Color(int r, int g, int b,int a) {
+		super();
+		this.r = r;
+		this.g = g;
+		this.b = b;
+		this.a = a;
+	}
+	
+	public int getColor() {
+		return (a<<24)+(r<<16)+(g<<8)+b;
+	}
+}
diff --git a/src/sig/engine/Edge.java b/src/sig/engine/Edge.java
new file mode 100644
index 0000000..867937e
--- /dev/null
+++ b/src/sig/engine/Edge.java
@@ -0,0 +1,33 @@
+package sig.engine;
+
+public class Edge {
+	Point a,b;
+	int min_y;
+	int max_y;
+	int min_x;
+	int max_x;
+	double x_of_min_y;
+	double inverse_slope;
+	public Edge(Point a, Point b) {
+		super();
+		this.a = a;
+		this.b = b;
+		min_y=Math.min(a.y, b.y);
+		max_y=Math.max(a.y, b.y);
+		min_x=Math.min(a.x, b.x);
+		max_x=Math.max(a.x, b.x);
+		if (a.y==min_y) {
+			x_of_min_y=a.x;
+		} else {
+			x_of_min_y=b.x;
+		}
+		
+		inverse_slope=(double)(a.x-b.x)/(a.y-b.y);
+	}
+	@Override
+	public String toString() {
+		return "Edge [a=" + a + ", b=" + b + ", min_y=" + min_y + ", max_y=" + max_y + ", min_x=" + min_x + ", max_x="
+				+ max_x + ", x_of_min_y=" + x_of_min_y + ", inverse_slope=" + inverse_slope + "]";
+	}
+	
+}
diff --git a/src/sig/engine/Panel.java b/src/sig/engine/Panel.java
new file mode 100644
index 0000000..2f558f7
--- /dev/null
+++ b/src/sig/engine/Panel.java
@@ -0,0 +1,314 @@
+package sig.engine;
+import java.awt.Graphics;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
+import java.awt.Image;
+import java.awt.Toolkit;
+import java.awt.image.ColorModel;
+import java.awt.image.MemoryImageSource;
+import java.util.ArrayList;
+import java.util.List;
+
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+import sig.JavaProjectTemplate;
+
+public class Panel extends JPanel implements Runnable {
+	JFrame window;
+    public int pixel[];
+    public int width=1280;
+    public int height=720; 
+    final int CIRCLE_PRECISION=32;
+	final int OUTLINE_COL=Color.BRIGHT_WHITE.getColor();
+    private Thread thread;
+    private Image imageBuffer;   
+    private MemoryImageSource mImageProducer;   
+    private ColorModel cm;   
+    int scanLine=0;
+    int nextScanLine=0;
+    double x_offset=0;
+    double y_offset=0;
+    int frameCount=0;
+	long lastSecond=0;
+	int lastFrameCount=0;
+
+    public Panel(JFrame f) {
+        super(true);
+		this.window=f;
+        thread = new Thread(this, "MyPanel Thread");
+    }
+
+    /**
+     * Get Best Color model available for current screen.
+     * @return color model
+     */
+    protected static ColorModel getCompatibleColorModel(){        
+        GraphicsConfiguration gfx_config = GraphicsEnvironment.
+                getLocalGraphicsEnvironment().getDefaultScreenDevice().
+                getDefaultConfiguration();        
+        return gfx_config.getColorModel();
+    }
+
+    /**
+     * Call it after been visible and after resizes.
+     */
+    public void init(){        
+        cm = getCompatibleColorModel();
+        int screenSize = width * height;
+        if(pixel == null || pixel.length < screenSize){
+            pixel = new int[screenSize];
+        }        
+        if(thread.isInterrupted() || !thread.isAlive()){
+            thread.start();
+        }
+        mImageProducer =  new MemoryImageSource(width, height, cm, pixel,0, width);
+        mImageProducer.setAnimated(true);
+        mImageProducer.setFullBufferUpdates(true);  
+        imageBuffer = Toolkit.getDefaultToolkit().createImage(mImageProducer);        
+    }
+
+    @Override
+    public void paintComponent(Graphics g) {
+        super.paintComponent(g);
+        // perform draws on pixels
+        render();
+        // ask ImageProducer to update image
+        mImageProducer.newPixels();  
+        // draw it on panel          
+        g.drawImage(this.imageBuffer, 0, 0, this);  
+		
+		
+		if (window!=null&&System.currentTimeMillis()-lastSecond>=1000) {
+			window.setTitle(JavaProjectTemplate.PROGRAM_NAME+" - FPS: "+(frameCount-lastFrameCount));
+			lastFrameCount=frameCount;
+			lastSecond=System.currentTimeMillis();
+		}
+		frameCount++;
+    }
+    
+    /**
+     * Overrides ImageObserver.imageUpdate.
+     * Always return true, assuming that imageBuffer is ready to go when called
+     */
+    @Override
+    public boolean imageUpdate(Image image, int a, int b, int c, int d, int e) {
+        return true;
+    }
+    /**
+    * Do your draws in here !!
+    * pixel is your canvas!
+    */
+    public /* abstract */ void render(){
+        int[] p = pixel; // this avoid crash when resizing
+        //a=h/w
+        
+        for (int x=0;x<width;x++) {
+        	for (int y=0;y<height;y++) {
+        		p[y*width+x]=(0<<16)+(0<<8)+0;
+        	}
+        }
+        
+        x_offset+=1;
+        y_offset=50;
+        
+        FillPolygon(p,Color.WHITE,50,50,new Point[] {
+        		new Point(135,2),
+        		new Point(166,96),
+        		new Point(265,97),
+        		new Point(185,156),
+        		new Point(215,251),
+        		new Point(134,192),
+        		new Point(54,251),
+        		new Point(84,156),
+        		new Point(4,97),
+        		new Point(103,96),
+        });
+        FillPolygon(p,Color.BRIGHT_CYAN,x_offset,y_offset,new Point[] {
+            	new Point(28,29),
+            	new Point(78,103),
+            	new Point(120,31),
+            	new Point(123,221),
+            	new Point(30,218),
+            });
+        //FillRect(p,Color.BRIGHT_RED,200,200,600,64);
+		final Color testAlpha = new Color(150,0,0,128);
+        FillCircle(p,testAlpha,150,150,100);
+        FillOval(p,Color.BRIGHT_GREEN,300,150,100,50);
+    }
+    
+    public void FillRect(int[] p,Color col,double x,double y,double w,double h) {
+    	for (int xx=0;xx<w;xx++) {
+        	for (int yy=0;yy<h;yy++) {
+        		int index = ((int)y+yy)*width+(int)x+xx;
+        		p[index]=col.getColor();
+        	}	
+    	}
+    }
+    
+    public void FillCircle(int[] p,Color col,double center_x,double center_y,double r) {
+    	int counter=0;
+    	Point[] points = new Point[CIRCLE_PRECISION];
+    	for (double theta=0;theta<Math.PI*2;theta+=((Math.PI*2)/CIRCLE_PRECISION)) {
+    		//System.out.println("Loop "+counter+++". Theta:"+theta);
+    		//System.out.println("X:"+(Math.sin(theta)*r+center_x)+" Y:"+(Math.cos(theta)*r+center_y));
+    		points[counter++]=new Point((int)(Math.round(Math.sin(theta)*r+center_x)),(int)(Math.round(Math.cos(theta)*r+center_y)));
+    	}
+        FillPolygon(p,col,0,0,points);
+    }
+
+    
+    public void FillOval(int[] p,Color col,double center_x,double center_y,double w,double h) {
+    	int counter=0;
+    	Point[] points = new Point[CIRCLE_PRECISION];
+    	double r = Math.max(w,h);
+    	double ratio = Math.min(w,h)/r;
+    	for (double theta=0;theta<Math.PI*2;theta+=((Math.PI*2)/CIRCLE_PRECISION)) {
+    		//System.out.println("Loop "+counter+++". Theta:"+theta);
+    		//System.out.println("X:"+(Math.sin(theta)*r+center_x)+" Y:"+(Math.cos(theta)*r+center_y));
+    		Point newP = new Point((int)(Math.round(Math.sin(theta)*r)),(int)(Math.round(Math.cos(theta)*r)));
+    		if (w<h) {
+    			newP.x=(int)Math.round(newP.x*ratio);
+    		} else {
+    			newP.y=(int)Math.round(newP.y*ratio);
+    		}
+    		newP.x+=center_x;
+    		newP.y+=center_y;
+    		points[counter++]=newP;
+    	}
+        FillPolygon(p,col,0,0,points);
+    }
+    
+    public void FillPolygon(int[] p,Color col,double x_offset,double y_offset,Point...points) {
+    	Edge[] edges = new Edge[points.length];
+    	List<Edge> edges_sorted = new ArrayList<Edge>();
+    	for (int i=0;i<points.length;i++) {
+    		edges[i] = new Edge(points[i],points[(i+1)%points.length]);
+    		if (!Double.isInfinite(edges[i].inverse_slope)) {
+	    		if (edges_sorted.size()==0) {
+	    			edges_sorted.add(edges[i]);
+	    		} else {
+	    			boolean inserted=false;
+	    			for (int j=0;j<edges_sorted.size();j++) {
+	    				Edge e2 = edges_sorted.get(j);
+	    				if (e2.min_y>=edges[i].min_y) {
+	    					edges_sorted.add(j,edges[i]);
+	    					inserted=true;
+	    					break;
+	    				}
+	    			}
+	    			if (!inserted) {
+	    				edges_sorted.add(edges[i]);
+	    			}
+	    		}
+    		}
+    	}
+    	//System.out.println(edges_sorted);
+    	List<Edge> active_edges = new ArrayList<Edge>();
+    	scanLine = edges_sorted.get(0).min_y-1;
+    	nextScanLine = scanLine+1;
+    	do {
+    		for (int i=0;i<active_edges.size();i+=2) {
+    			Edge e1 = active_edges.get(i);
+    			Edge e2 = active_edges.get(i+1);
+				//System.out.println("Drawing from "+((int)Math.round(e1.x_of_min_y))+" to "+e2.x_of_min_y+" on line "+scanLine);
+    			for (int x=(int)Math.round(e1.x_of_min_y);x<=e2.x_of_min_y;x++) {
+    				int index = (scanLine+(int)y_offset)*width+x+(int)x_offset;
+    				if (index<p.length&&index>=0) {
+						Draw(p,index,col.getColor());
+					}
+    			}
+    		}
+    		List<Edge> new_active_edges = new ArrayList<Edge>();
+    		for (int i=0;i<active_edges.size();i++) {
+    			Edge e = active_edges.get(i);
+    			if (e.max_y==scanLine+1) {
+    				active_edges.remove(i--);
+    			} else {
+    				e.x_of_min_y+=e.inverse_slope;
+    			}
+    		}
+    		scanLine++;
+    		for (int i=0;i<active_edges.size();i++) {
+    			Edge e = active_edges.get(i);
+    			boolean inserted=false;
+    			for (int j=0;j<new_active_edges.size();j++) {
+    				Edge e2 = new_active_edges.get(j);
+    				if (e2.x_of_min_y>e.x_of_min_y) {
+    					new_active_edges.add(j,e);
+    					inserted=true;
+    					break;
+    				}
+    			}
+    			if (!inserted) {
+					new_active_edges.add(e);
+    			}
+    		}
+    		active_edges=new_active_edges;
+    		GetNextScanLineEdges(edges_sorted, active_edges);
+    	}
+    	while (active_edges.size()>0);
+    }
+
+	private void GetNextScanLineEdges(List<Edge> edges_sorted, List<Edge> active_edges) {
+		if (scanLine==nextScanLine) {
+	    	for (int i=0;i<edges_sorted.size();i++) {
+	    		Edge e = edges_sorted.get(i);
+	    		if (e.min_y==scanLine) {
+	    			e = edges_sorted.remove(i--);
+	    			boolean inserted=false;
+	    			for (int j=0;j<active_edges.size();j++) {
+	    				if (e.x_of_min_y<active_edges.get(j).x_of_min_y) {
+	    					active_edges.add(j,e);
+	    					inserted=true;
+	    					break;
+	    				}
+	    			}
+	    			if (!inserted) {
+	    				active_edges.add(e);
+	    			}
+	    			
+	    		} else
+	    		if (e.min_y>scanLine) {
+	    			nextScanLine=e.min_y;
+	    			break;
+	    		}
+	    	}
+    	}
+	}
+
+	public void Draw(int[] canvas,int index, int col) {
+		int alpha = col>>>24;
+		if (alpha==0) {
+			return;}
+		 else
+		if (alpha==255) {
+			canvas[index]=col;
+		} else {
+			float ratio=alpha/255f;
+			int prev_col=canvas[index];
+			int prev_r=(prev_col&0xFF);
+			int prev_g=(prev_col&0xFF00)>>>8;
+			int prev_b=(prev_col&0xFF0000)>>>16;
+			int r=(col&0xFF);
+			int g=(col&0xFF00)>>>8;
+			int b=(col&0xFF0000)>>>16;
+
+			int new_r=(int)(ratio*r+(1-ratio)*prev_r);
+			int new_g=(int)(ratio*g+(1-ratio)*prev_g);
+			int new_b=(int)(ratio*b+(1-ratio)*prev_b);
+			
+			canvas[index]=new_r+(new_g<<8)+(new_b<<16)+(col&0xFF000000);
+		}
+	}
+
+	@Override
+	public void run() {
+		while (true) {
+            // request a JPanel re-drawing
+            repaint();       
+            //System.out.println("Repaint "+frameCount++);
+            //try {Thread.sleep(1);} catch (InterruptedException e) {}
+        }
+	}
+}
\ No newline at end of file
diff --git a/src/sig/engine/Point.java b/src/sig/engine/Point.java
new file mode 100644
index 0000000..b848018
--- /dev/null
+++ b/src/sig/engine/Point.java
@@ -0,0 +1,32 @@
+package sig.engine;
+
+public class Point {
+	int x,y;
+
+	public Point(int x, int y) {
+		super();
+		this.x = x;
+		this.y = y;
+	}
+
+	public int getX() {
+		return x;
+	}
+
+	public void setX(int x) {
+		this.x = x;
+	}
+
+	public int getY() {
+		return y;
+	}
+
+	public void setY(int y) {
+		this.y = y;
+	}
+
+	@Override
+	public String toString() {
+		return "Point(" + x + "," + y + ")";
+	}
+}
diff --git a/tmp b/tmp
new file mode 100644
index 0000000..b81d66d
--- /dev/null
+++ b/tmp
@@ -0,0 +1,11 @@
+.coauthors:3785ad38663e5fc43e574914ad067294  -
+define.sh:d6b20a25a04a60d94f466e48fa60ac69  -
+main.sh:32a1f953ffca8584d1eb57c0ecd8a582  -
+search.sh:3321258db3b59d8e4cfe04c472516e45  -
+.updateDirectories:0ede00461e947494545e694040787b3f  -
+commit.sh:9c342703d765cad7ea296f16d68f29f4  -
+.coauthors:3785ad38663e5fc43e574914ad067294  -
+define.sh:d6b20a25a04a60d94f466e48fa60ac69  -
+main.sh:32a1f953ffca8584d1eb57c0ecd8a582  -
+search.sh:3321258db3b59d8e4cfe04c472516e45  -
+.updateDirectories:0ede00461e947494545e694040787b3f  -
diff --git a/utils/.coauthors b/utils/.coauthors
new file mode 100644
index 0000000..b904d0f
--- /dev/null
+++ b/utils/.coauthors
@@ -0,0 +1 @@
+sigonasr2 <sigonasr2@gmail.com>
diff --git a/utils/.updateDirectories b/utils/.updateDirectories
new file mode 100644
index 0000000..e4dde11
--- /dev/null
+++ b/utils/.updateDirectories
@@ -0,0 +1,3 @@
+Java/
+scripts/
+utils/
\ No newline at end of file
diff --git a/utils/define.sh b/utils/define.sh
new file mode 100755
index 0000000..214fc50
--- /dev/null
+++ b/utils/define.sh
@@ -0,0 +1,26 @@
+export VARS=("")
+
+export LANGUAGE=""
+
+function define() {
+  VARS+=("$1")
+  value="${*:2}"
+  eval export "$1"='$value'
+}
+
+if [[ $(pwd) != *"SigScript" && $AUTO_UPDATE = "true" && $1 != "update" ]]; then
+  source utils/search.sh
+
+  find . -type f -name md5 -delete
+  find . -type f -name filelist -delete
+
+  #Check for hashes
+  FILES=$(cat utils/.updateDirectories)
+  for f in $FILES
+  do 
+      search $f
+      check $f
+  done
+else
+  echo "Dev build, no checks required."
+fi
\ No newline at end of file
diff --git a/utils/filelist b/utils/filelist
new file mode 100644
index 0000000..95ad5ff
--- /dev/null
+++ b/utils/filelist
@@ -0,0 +1,5 @@
+.coauthors
+define.sh
+main.sh
+search.sh
+.updateDirectories
diff --git a/utils/main.sh b/utils/main.sh
new file mode 100644
index 0000000..d299d6b
--- /dev/null
+++ b/utils/main.sh
@@ -0,0 +1,28 @@
+if [ -z "$1" ]
+  then
+    echo ""
+    echo "  Usage: ./sig <command> {args}"
+    echo ""
+    printf "====\tCurrent Configuration"
+    printf "\t====================="
+    for t in ${VARS[@]}
+    do
+      printf "\n\t%-15s%20s" $t ${!t}
+    done
+    printf "\n====================================================="
+    echo ""
+    echo ""
+    echo "  Command List:"
+    FILES=$(ls -1A ./$LANGUAGE/scripts 2>/dev/null | sed -e 's/\.sh$//' | sed -e 's/^/    /')
+    for f in $FILES
+    do
+      if [ -f "./$LANGUAGE/scripts/$f.sh" ]; then
+        DESC="$(head -n1 ./$LANGUAGE/scripts/$f.sh)"
+        printf "\n\t%-15s%-65s" $f "${DESC:1}"
+      fi
+    done
+    echo ""
+    exit
+fi
+
+./$LANGUAGE/scripts/$1.sh "${*:2}"
\ No newline at end of file
diff --git a/utils/md5 b/utils/md5
new file mode 100644
index 0000000..baa339d
--- /dev/null
+++ b/utils/md5
@@ -0,0 +1,4 @@
+define.sh:3ecab0dffe2adfb950f3eb7c7061b750  -
+main.sh:d3d1bd0b56d8114eb7479964227f8576  -
+search.sh:81d08f5ff48e8a44b5f68387d426da05  -
+.updateDirectories:0ede00461e947494545e694040787b3f  -
diff --git a/utils/search.sh b/utils/search.sh
new file mode 100644
index 0000000..99a69b3
--- /dev/null
+++ b/utils/search.sh
@@ -0,0 +1,103 @@
+function search() {
+    FILES2=$(ls -A $1 2>/dev/null)
+    for g in $FILES2
+    do
+        if [ -d $1$g ];
+        then
+            echo "$1$g is a directory"
+            search $1$g/
+        else 
+            echo "$1$g is a file"
+            if [ $g != "md5" ] && [ $g != "filelist" ] && [ $g != ".package.files" ]; then
+                if [ $g != ".coauthors" ] && [ $g != "version_info" ]; then
+                    SUM=$(md5sum < $1$g)
+                    echo "$g:$SUM" >> $1md5
+                fi
+                echo "$g" >> $1filelist
+            else
+                echo "  ignoring $g..."
+            fi
+        fi
+    done
+}
+
+function check() {
+    echo "Check $1"
+    FILES2=$(ls -A $1 2>/dev/null)
+    if [ -f "$1/md5" ];
+    then
+        echo "   md5: https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1md5"
+        curl -H 'Cache-Control: no-cache, no-store' -s "https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1md5" --output /tmp/out
+        cmp -s $1/md5 /tmp/out
+        if [ "$?" -ne 0 ] 
+        then
+            echo " Differences detected!"
+            cat /tmp/out 
+            while IFS= read -r line
+            do
+                IFS=':' read -ra split <<< $line
+                g="${split[0]}"
+                echo "LINE -- $g" 
+                if [ "$g" != "md5" ] && [ "$g" != "filelist" ] && [ "$g" != ".package.files" ]; then
+                    if [ -f $1$g ];
+                    then
+                        if [ "$g" != ".coauthors" ] && [ "$g" != "version_info" ]; then
+                            echo "++Redownload $1$g..."
+                            if [ -f "$1$g" ]; then
+                                curl -H 'Cache-Control: no-cache, no-store' "https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1$g" --output $1$g
+                            else
+                                echo "===Could not find directory, assuming regular scripts directory exists."
+                                curl -H 'Cache-Control: no-cache, no-store' "https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1$g" --output $LANGUAGE/scripts/$g
+                            fi
+                        fi
+                    else 
+                        echo "++==Downloading $1$g..."
+                        curl -H 'Cache-Control: no-cache, no-store' "https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1$g" --output $1$g
+                    fi
+                fi
+            done < /tmp/out
+        fi
+    fi
+    if [ -f "$1/filelist" ];
+    then
+        echo "   filelist: https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1filelist"
+        curl -H 'Cache-Control: no-cache, no-store' -s "https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1filelist" --output /tmp/out
+        cmp -s $1/filelist /tmp/out
+        if [ "$?" -ne 0 ] 
+        then
+            echo " Differences detected!"
+            cat /tmp/out 
+            while IFS= read -r line
+            do
+                IFS=':' read -ra split <<< $line
+                g="${split[0]}"
+                echo "LINE -- $g" 
+                if [ "$g" != "md5" ] && [ "$g" != "filelist" ] && [ "$g" != ".package.files" ]; then
+                    if [ -f $1$g ];
+                    then
+                        if [ "$g" != ".coauthors" ] && [ "$g" != "version_info" ]; then
+                            echo "++Redownload $1$g..."
+                            if [ -f "$1$g" ]; then
+                                curl -H 'Cache-Control: no-cache, no-store' "https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1$g" --output $1$g
+                            else
+                                echo "===Could not find directory, assuming regular scripts directory exists."
+                                curl -H 'Cache-Control: no-cache, no-store' "https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1$g" --output $LANGUAGE/scripts/$g
+                            fi
+                        fi
+                    else 
+                        echo "++==Downloading $1$g..."
+                        curl -H 'Cache-Control: no-cache, no-store' "https://raw.githubusercontent.com/sigonasr2/SigScript/main/$1$g" --output $1$g
+                    fi
+                fi
+            done < /tmp/out
+        fi
+    fi
+    for g in $FILES2
+    do
+        if [ -d $1$g ];
+        then
+            echo "$1$g is a directory"
+            check $1$g/
+        fi
+    done
+}