Optimized texture pixel getting.

cube.obj

@@ -13,7 +13,7 @@ vt 1 0 #3
 vt 1 1 #4
 
 f 1/2 3/1 7/3
-f 1/2 7/3 8/4
+f 1/2 7/3 5/4
 f 5/2 7/1 8/3
 f 5/2 8/3 6/4
 f 6/2 8/1 4/3

pom.xml

@@ -17,6 +17,12 @@
   </properties>
 
   <dependencies>
+    <!-- https://mvnrepository.com/artifact/org.jogamp.jogl/jogl-all-main -->
+    <dependency>
+      <groupId>org.jogamp.jogl</groupId>
+      <artifactId>jogl-all-main</artifactId>
+      <version>2.3.2</version>
+    </dependency>
   </dependencies>
 
   <build>

src/sig/Panel.java

@@ -9,8 +9,6 @@ import java.awt.Color;
 import java.awt.Image;
 import java.awt.image.MemoryImageSource;
 import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 import java.awt.image.ColorModel;
 import java.awt.GraphicsEnvironment;
@@ -137,7 +135,7 @@ public class Panel extends JPanel implements Runnable {
                 if (t.b!=null) {
                     dp = Math.max(0.1f,Math.min(1,(1f/((triTransformed.b.pos.x-SigRenderer.vCamera.x)*(triTransformed.b.pos.x-SigRenderer.vCamera.x)+
                     (triTransformed.b.pos.y-SigRenderer.vCamera.y)*(triTransformed.b.pos.y-SigRenderer.vCamera.y)+
-                    (triTransformed.b.pos.z-SigRenderer.vCamera.z)*(triTransformed.b.pos.z-SigRenderer.vCamera.z))*4)));
+                    (triTransformed.b.pos.z-SigRenderer.vCamera.z)*(triTransformed.b.pos.z-SigRenderer.vCamera.z))*64)))*0.5f+Math.max(0.1f,Math.min(1,1-Vector.dotProduct(normal,SigRenderer.vLookDir)))*0.5f;
                 } else {
                     dp = Math.max(0.1f,Vector.dotProduct(lightDir,normal));
                 }
@@ -154,7 +152,7 @@ public class Panel extends JPanel implements Runnable {
                 triViewed.B = Matrix.MultiplyVector(matView,triTransformed.B);
                 triViewed.C = Matrix.MultiplyVector(matView,triTransformed.C);
                 triTransformed.copyExtraDataTo(triViewed);
-                triViewed.setColor(new Color(dp,0,0));
+                triViewed.setColor((0)+(0<<8)+((int)(dp*255)<<16));
 
                 int clippedTriangles = 0;
                 Triangle[] clipped = new Triangle[]{new Triangle(),new Triangle()};
@@ -212,14 +210,14 @@ public class Panel extends JPanel implements Runnable {
             }
         } 
 
-        Collections.sort(accumulatedTris, new Comparator<Triangle>() {
+        /*Collections.sort(accumulatedTris, new Comparator<Triangle>() {
             @Override
             public int compare(Triangle t1, Triangle t2) {
                 float z1=(t1.A.z+t1.B.z+t1.C.z)/3f;
                 float z2=(t2.A.z+t2.B.z+t2.C.z)/3f;
                 return (z1<z2)?1:(z1==z2)?0:-1;
             }
-        });
+        });*/
         for (Triangle t : accumulatedTris) {
             
             Triangle[] clipped = new Triangle[]{new Triangle(),new Triangle()};
@@ -251,12 +249,12 @@ public class Panel extends JPanel implements Runnable {
                         (int)tt.A.x,(int)tt.A.y,tt.T.u,tt.T.v,tt.T.w,
                         (int)tt.B.x,(int)tt.B.y,tt.U.u,tt.U.v,tt.U.w,
                         (int)tt.C.x,(int)tt.C.y,tt.V.u,tt.V.v,tt.V.w,
-                    tt.tex,tt.col.getRed());
+                    tt.tex,(tt.col&0xFF0000)>>16);
                 } else {
                     DrawUtils.FillTriangle(p,(int)tt.A.x,(int)tt.A.y,(int)tt.B.x,(int)tt.B.y,(int)tt.C.x,(int)tt.C.y,tt.getColor());
                 }
                 if (SigRenderer.WIREFRAME) {
-                    DrawUtils.DrawTriangle(p,(int)tt.A.x,(int)tt.A.y,(int)tt.B.x,(int)tt.B.y,(int)tt.C.x,(int)tt.C.y,Color.WHITE);
+                    DrawUtils.DrawTriangle(p,(int)tt.A.x,(int)tt.A.y,(int)tt.B.x,(int)tt.B.y,(int)tt.C.x,(int)tt.C.y,Color.WHITE.getRGB());
                 }
             }
         }
@@ -296,4 +294,4 @@ public class Panel extends JPanel implements Runnable {
             try {Thread.sleep(5);} catch (InterruptedException e) {}
         }
     }
-}
+}

src/sig/SigRenderer.java

@@ -15,6 +15,7 @@ import java.util.Arrays;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Random;
 import java.awt.Toolkit;
 import java.awt.BorderLayout;
 
@@ -40,14 +41,14 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
     public static float fAspectRatio = (float)SCREEN_HEIGHT/SCREEN_WIDTH;
     public static Matrix matProj = Matrix.MakeProjection(fFov,fAspectRatio,fNear,fFar);
 
-    public static Vector vCamera = new Vector(0.5f,2f,0.5f);
+    public static Vector vCamera = new Vector(0.5f,2f,-15f);
     public static Vector vLookDir = new Vector(0,0,1);
-    public static float yaw = 0;
-    public static float pitch = 0;
+    public static float yaw = (float)(-Math.PI/8);
+    public static float pitch = (float)(Math.PI/8);
     public static float roll = 0;
 
-    final float MOVESPEED = 0.03f;
-    final float TURNSPEED = 0.03f;
+    final float MOVESPEED = 0.2f;
+    final float TURNSPEED = 0.2f;
 
     public static Texture dirtTex;
 
@@ -58,6 +59,8 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
     boolean upHeld=false,downHeld=false,leftHeld=false,rightHeld=false,
     aHeld=false,sHeld=false,dHeld=false,wHeld=false;
 
+    public static MouseEvent storedMouseEvent;
+
     public void runGameLoop() {
         if (upHeld) {
             pitch+=MOVESPEED;
@@ -110,9 +113,10 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
 
     SigRenderer(JFrame f) {
         //cube = new Mesh(OBJReader.ReadOBJFile("teapot.obj",false));
-        for (int x=0;x<16;x++) {
-            for (int z=0;z<16;z++) {
-                for (int y=0;y<16;y++) {
+        Random r = new Random(438107);
+        for (int x=0;x<32;x++) {
+            for (int z=0;z<32;z++) {
+                for (int y=0;y<r.nextInt(64);y++) {
                     addBlock(new Vector(x,y,z),DIRT_CUBE);
                 }
             }
@@ -163,6 +167,7 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
 
     @Override
     public void mouseClicked(MouseEvent e) {
+        storedMouseEvent=e;
     }
 
     @Override

src/sig/Texture.java

@@ -1,30 +1,49 @@
 package sig;
 import java.awt.image.BufferedImage;
+import java.awt.image.WritableRaster;
 import java.io.File;
 import java.io.IOException;
 
 import javax.imageio.ImageIO;
 import java.awt.Color;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
 
 public class Texture{
-    BufferedImage tex;
+    int[] tex;
+    int width;
+    int height;
 
     public Texture(File f) {
         try {
-            this.tex = ImageIO.read(f);
+            BufferedImage i = ImageIO.read(f);
+            GraphicsConfiguration gc = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice().getDefaultConfiguration();
+            width=i.getWidth();
+            height=i.getHeight();
+            tex = new int[width*height];
+            WritableRaster r = i.getRaster();
+            for (int x=0;x<width;x++) {
+                for (int y=0;y<height;y++) {
+                    int[] pixel = r.getPixel(x,y,new int[3]);
+                    tex[x+y*width]=pixel[2]+(pixel[1]<<8)+(pixel[0]<<16);
+                }
+            }
         } catch (IOException e) {
             e.printStackTrace();
         }
     }
 
-    public Color getColor(float u,float v,float mult) {
-        int sx = (int)(u*tex.getWidth()-1f);
-        int sy = (int)(v*tex.getHeight()-1f);
-        if (sx<0||sx>=tex.getWidth()||sy<0||sy>=tex.getHeight()) {
-            return new Color(0,0,0,0);
+    public int getColor(float u,float v,float mult) {
+        int sx = (int)(u*width-1f);
+        int sy = (int)(v*height-1f);
+        if (sx<0||sx>=width||sy<0||sy>=height) {
+            return 0;
         } else {
-            Color newCol = new Color(tex.getRGB(sx,sy));
-            return new Color((newCol.getRed()/255f)*mult,(newCol.getGreen()/255f)*mult,(newCol.getBlue()/255f)*mult);
+            int indice = (int)(u*width-1)+(int)(v*height-1)*width;
+            //return tex[indice];
+            return (int)((tex[indice]&0xFF)*mult) + ((int)(((tex[indice]&0xFF00)>>8)*mult)<<8) + ((int)(((tex[indice]&0xFF0000)>>16)*mult)<<16);
+            /*Color newCol = new Color(tex.getRGB(sx,sy));
+            return new Color((newCol.getRed()/255f)*mult,(newCol.getGreen()/255f)*mult,(newCol.getBlue()/255f)*mult);*/
         }
     }
     

src/sig/Triangle.java

@@ -4,7 +4,7 @@ import java.awt.Color;
 public class Triangle {
     Vector A,B,C;
     Vector2 T,U,V;
-    Color col = Color.WHITE;
+    int col = Color.WHITE.getRGB();
     Block b = null;
     public Texture tex = null;
     public Triangle() {
@@ -42,10 +42,10 @@ public class Triangle {
         return "Triangle [A=" + A + ", B=" + B + ", C=" + C + ", T=" + T + ", U=" + U + ", V=" + V + ", col=" + col
                 + "]";
     }
-    public Color getColor() {
+    public int getColor() {
         return col;
     }
-    public void setColor(Color col) {
+    public void setColor(int col) {
         this.col=col;
     }
 

src/sig/utils/DrawUtils.java

@@ -8,7 +8,7 @@ import sig.SigRenderer;
 import sig.Texture;
 
 public class DrawUtils {
-    static void drawLine(int[] canvas,int sx,int ex,int ny,Color col) {
+    static void drawLine(int[] canvas,int sx,int ex,int ny,int col) {
         for (int i=sx;i<=ex;i++) {
             Draw(canvas,i,ny,col);
         }
@@ -140,7 +140,7 @@ public class DrawUtils {
             }
         }
     }
-    public static void FillTriangle(int[] canvas,int x1, int y1, int x2, int y2, int x3, int y3, Color col)
+    public static void FillTriangle(int[] canvas,int x1, int y1, int x2, int y2, int x3, int y3, int col)
 	{
 		int t1x=0, t2x=0, y=0, minx=0, maxx=0, t1xp=0, t2xp=0;
 		boolean changed1 = false;
@@ -274,12 +274,12 @@ public class DrawUtils {
 			if (y>y3) return;
 		}
 	}
-    public static void DrawTriangle(int[]canvas,int x1,int y1,int x2,int y2,int x3,int y3,Color col) {
+    public static void DrawTriangle(int[]canvas,int x1,int y1,int x2,int y2,int x3,int y3,int col) {
         DrawLine(canvas,x1,y1,x2,y2,col);
         DrawLine(canvas,x2,y2,x3,y3,col);
         DrawLine(canvas,x3,y3,x1,y1,col);
     }
-    public static void DrawLine(int[] canvas,int x1,int y1,int x2,int y2,Color col) {
+    public static void DrawLine(int[] canvas,int x1,int y1,int x2,int y2,int col) {
         int x,y,dx,dy,dx1,dy1,px,py,xe,ye,i;
         dx=x2-x1;dy=y2-y1;
         dx1=Math.abs(dx);dy1=Math.abs(dy);
@@ -328,10 +328,10 @@ public class DrawUtils {
             }
         }
     }
-    public static void Draw(int[] canvas,int x,int y,Color col) {
+    public static void Draw(int[] canvas,int x,int y,int col) {
         if (x>=0&&y>=0&&x<SigRenderer.SCREEN_WIDTH&&y<SigRenderer.SCREEN_HEIGHT) {
             //System.out.println(x+","+y);
-            canvas[x+y*SigRenderer.SCREEN_WIDTH]=col.getRGB();
+            canvas[x+y*SigRenderer.SCREEN_WIDTH]=col;
         }
     }
 }