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SigRenderer
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World renderer with textures.

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Co-authored-by: sigonasr2 <sigonasr2@gmail.com>
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sigonasr2, Sig, Sigo 3 years ago
parent 17aa2a45af
commit fe3de52b30
2 changed files with 204 additions and 108 deletions
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  1. 82
      src/sig/Panel.java
  2. 230
      src/sig/SigRenderer.java

82
src/sig/Panel.java
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@ -14,6 +14,7 @@ public class Panel extends JPanel{
startTime = System.nanoTime(); startTime = System.nanoTime();
} }
public void paintComponent(Graphics g) { public void paintComponent(Graphics g) {
//g.clearRect(0,0,SigRenderer.SCREEN_WIDTH,SigRenderer.SCREEN_HEIGHT);
g.setColor(Color.BLACK); g.setColor(Color.BLACK);
g.fillRect(0,0,SigRenderer.SCREEN_WIDTH,SigRenderer.SCREEN_HEIGHT); g.fillRect(0,0,SigRenderer.SCREEN_WIDTH,SigRenderer.SCREEN_HEIGHT);
//Vector3f origin = new Vector3f(Math.cos(SigRenderer.rot)*10,0,10+Math.sin(SigRenderer.rot)*10); //Vector3f origin = new Vector3f(Math.cos(SigRenderer.rot)*10,0,10+Math.sin(SigRenderer.rot)*10);
@ -32,86 +33,7 @@ public class Panel extends JPanel{
} }
} }
}*/ }*/
g.drawImage(SigRenderer.buffer2,0,0,null);
final int h=SigRenderer.SCREEN_HEIGHT;
for (int x=0;x<SigRenderer.SCREEN_WIDTH;x++) {
double cameraX = 2*x/(double)SigRenderer.SCREEN_WIDTH-1;
double rayDirX = SigRenderer.dirX+SigRenderer.planeX*cameraX;
double rayDirY = SigRenderer.dirY+SigRenderer.planeY*cameraX;
int mapX = (int)SigRenderer.x;
int mapY = (int)SigRenderer.y;
double sideDistX;
double sideDistY;
double deltaDistX=Math.abs(1/rayDirX);
double deltaDistY=Math.abs(1/rayDirY);
double perpWallDist=0;
int stepX;
int stepY;
int hit=0;
int side=0;
if (rayDirX<0) {
stepX=-1;
sideDistX=(SigRenderer.x-mapX)*deltaDistX;
} else {
stepX=1;
sideDistX=(mapX+1d-SigRenderer.x)*deltaDistX;
}
if (rayDirY<0) {
stepY=-1;
sideDistY=(SigRenderer.y-mapY)*deltaDistY;
} else {
stepY=1;
sideDistY=(mapY+1d-SigRenderer.y)*deltaDistY;
}
while (hit==0) {
if (sideDistX<sideDistY) {
sideDistX+=deltaDistX;
mapX+=stepX;
side=0;
} else {
sideDistY+=deltaDistY;
mapY+=stepY;
side=1;
}
if (SigRenderer.worldMap[mapX][mapY]>0) {hit=1;}
if (side==0) {
perpWallDist=sideDistX-deltaDistX;
} else {
perpWallDist=sideDistY-deltaDistY;
}
}
int lineHeight = (int)(h/perpWallDist);
int drawStart=-lineHeight/2+h/2;
if (drawStart<0) {
drawStart=0;
}
int drawEnd=lineHeight/2+h/2;
if (drawEnd>=h) {drawEnd=h-1;}
Color col;
switch(SigRenderer.worldMap[mapX][mapY]) {
case 1:{col=Color.RED;}break;
case 2:{col=Color.GREEN;}break;
case 3:{col=Color.BLUE;}break;
case 4:{col=Color.WHITE;}break;
default:{col=Color.YELLOW;}break;
}
if (side==1) {col=col.darker();}
g.setColor(col);
g.drawLine(x,drawStart,x,drawEnd);
}
endTime=System.nanoTime(); endTime=System.nanoTime();
SigRenderer.DRAWLOOPTIME = (endTime-startTime)/1000000f; SigRenderer.DRAWLOOPTIME = (endTime-startTime)/1000000f;
} }

230
src/sig/SigRenderer.java
Unescape View File

@ -5,17 +5,25 @@ import java.awt.event.MouseListener;
import java.awt.event.MouseMotionListener; import java.awt.event.MouseMotionListener;
import java.awt.event.KeyEvent; import java.awt.event.KeyEvent;
import java.awt.event.KeyListener; import java.awt.event.KeyListener;
import java.awt.Graphics2D;
import java.awt.Toolkit; import java.awt.Toolkit;
import java.awt.image.BufferedImage;
import java.awt.Color;
import java.awt.AlphaComposite;
import java.awt.GraphicsEnvironment;
import java.awt.GraphicsConfiguration;
public class SigRenderer implements KeyListener,MouseListener,MouseMotionListener{ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListener{
public final static int SCREEN_WIDTH=1280; public final static int SCREEN_WIDTH=640;
public final static int SCREEN_HEIGHT=720; public final static int SCREEN_HEIGHT=480;
public final static int TEXTURE_WIDTH=64;
public final static int TEXTURE_HEIGHT=64;
public final static long TIMEPERTICK = 16666667l; public final static long TIMEPERTICK = 16666667l;
public static float DRAWTIME=0; public static float DRAWTIME=0;
public static float DRAWLOOPTIME=0; public static float DRAWLOOPTIME=0;
public static double x = 22; public static double x = 22;
public static double y = 12; public static double y = 11.5;
public static double dirX = -1; public static double dirX = -1;
public static double dirY = 0; public static double dirY = 0;
public static double planeX = 0; public static double planeX = 0;
@ -30,31 +38,35 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
public static int[][] worldMap = new int[][] public static int[][] worldMap = new int[][]
{ {
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1}, {4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,7,7,7,7,7,7,7,7},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,7},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,2,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7},
{1,0,0,0,0,0,2,2,2,2,2,0,0,0,0,3,0,3,0,3,0,0,0,1}, {4,0,3,0,0,0,0,0,0,0,0,0,0,0,0,0,7,0,0,0,0,0,0,7},
{1,0,0,0,0,0,2,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,4,0,0,0,0,5,5,5,5,5,5,5,5,5,7,7,0,7,7,7,7,7},
{1,0,0,0,0,0,2,0,0,0,2,0,0,0,0,3,0,0,0,3,0,0,0,1}, {4,0,5,0,0,0,0,5,0,5,0,5,0,5,0,5,7,0,0,0,7,7,7,1},
{1,0,0,0,0,0,2,0,0,0,2,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,6,0,0,0,0,5,0,0,0,0,0,0,0,5,7,0,0,0,0,0,0,8},
{1,0,0,0,0,0,2,2,0,2,2,0,0,0,0,3,0,3,0,3,0,0,0,1}, {4,0,7,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,7,7,7,1},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,8,0,0,0,0,5,0,0,0,0,0,0,0,5,7,0,0,0,0,0,0,8},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,0,0,0,0,0,5,0,0,0,0,0,0,0,5,7,0,0,0,7,7,7,1},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,0,0,0,0,0,5,5,5,5,0,5,5,5,5,7,7,7,7,7,7,7,1},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {6,6,6,6,6,6,6,6,6,6,6,0,6,6,6,6,6,6,6,6,6,6,6,6},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {8,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,4},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {6,6,6,6,6,6,0,6,6,6,6,0,6,6,6,6,6,6,6,6,6,6,6,6},
{1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,4,4,4,4,4,0,4,4,4,6,0,6,2,2,2,2,2,2,2,3,3,3,3},
{1,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,0,0,0,0,0,0,0,4,6,0,6,2,0,0,0,0,0,2,0,0,0,2},
{1,4,0,4,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,0,0,0,0,0,0,0,0,0,0,6,2,0,0,5,0,0,2,0,0,0,2},
{1,4,0,0,0,0,5,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,0,0,0,0,0,0,0,4,6,0,6,2,0,0,0,0,0,2,2,0,2,2},
{1,4,0,4,0,0,0,0,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,6,0,6,0,0,0,0,4,6,0,0,0,0,0,5,0,0,0,0,0,0,2},
{1,4,0,4,4,4,4,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,0,5,0,0,0,0,0,4,6,0,6,2,0,0,0,0,0,2,2,0,2,2},
{1,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,6,0,6,0,0,0,0,4,6,0,6,2,0,0,5,0,0,2,0,0,0,2},
{1,4,4,4,4,4,4,4,4,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1}, {4,0,0,0,0,0,0,0,0,4,6,0,6,2,0,0,0,0,0,2,0,0,0,2},
{1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1} {4,4,4,4,4,4,4,4,4,4,1,1,1,2,2,2,2,2,2,3,3,3,3,3}
}; };
public static int[][] textures = new int[8][TEXTURE_WIDTH*TEXTURE_HEIGHT];
public static BufferedImage buffer = new BufferedImage(SCREEN_WIDTH,SCREEN_HEIGHT,BufferedImage.TYPE_INT_ARGB);
public static BufferedImage buffer2 = new BufferedImage(SCREEN_WIDTH,SCREEN_HEIGHT,BufferedImage.TYPE_INT_ARGB);
public void runGameLoop() { public void runGameLoop() {
if (UP_KEY) { if (UP_KEY) {
@ -89,10 +101,172 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
planeX=planeX*Math.cos(rotSpeed)-planeY*Math.sin(rotSpeed); planeX=planeX*Math.cos(rotSpeed)-planeY*Math.sin(rotSpeed);
planeY=oldPlaneX*Math.sin(rotSpeed)+planeY*Math.cos(rotSpeed); planeY=oldPlaneX*Math.sin(rotSpeed)+planeY*Math.cos(rotSpeed);
} }
//buffer.flush();
Graphics2D g = buffer.createGraphics();
g.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR));
g.fillRect(0,0,SigRenderer.SCREEN_WIDTH,SigRenderer.SCREEN_HEIGHT);
//reset composite
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER));
final int h=SigRenderer.SCREEN_HEIGHT;
for (int x=0;x<SigRenderer.SCREEN_WIDTH;x++) {
double cameraX = 2*x/(double)SigRenderer.SCREEN_WIDTH-1;
double rayDirX = SigRenderer.dirX+SigRenderer.planeX*cameraX;
double rayDirY = SigRenderer.dirY+SigRenderer.planeY*cameraX;
int mapX = (int)SigRenderer.x;
int mapY = (int)SigRenderer.y;
double sideDistX;
double sideDistY;
double deltaDistX=Math.abs(1/rayDirX);
double deltaDistY=Math.abs(1/rayDirY);
double perpWallDist=0;
int stepX;
int stepY;
int hit=0;
int side=0;
if (rayDirX<0) {
stepX=-1;
sideDistX=(SigRenderer.x-mapX)*deltaDistX;
} else {
stepX=1;
sideDistX=(mapX+1d-SigRenderer.x)*deltaDistX;
}
if (rayDirY<0) {
stepY=-1;
sideDistY=(SigRenderer.y-mapY)*deltaDistY;
} else {
stepY=1;
sideDistY=(mapY+1d-SigRenderer.y)*deltaDistY;
}
while (hit==0) {
if (sideDistX<sideDistY) {
sideDistX+=deltaDistX;
mapX+=stepX;
side=0;
} else {
sideDistY+=deltaDistY;
mapY+=stepY;
side=1;
}
if (SigRenderer.worldMap[mapX][mapY]>0) {hit=1;}
if (side==0) {
perpWallDist=sideDistX-deltaDistX;
} else {
perpWallDist=sideDistY-deltaDistY;
}
}
int lineHeight = (int)(h/perpWallDist);
int drawStart=-lineHeight/2+h/2;
if (drawStart<0) {
drawStart=0;
}
int drawEnd=lineHeight/2+h/2;
if (drawEnd>=h) {drawEnd=h-1;}
/*Color col; //FLAT COLOR CHOOSER.
switch(SigRenderer.worldMap[mapX][mapY]) {
case 1:{col=Color.RED;}break;
case 2:{col=Color.GREEN;}break;
case 3:{col=Color.BLUE;}break;
case 4:{col=Color.WHITE;}break;
default:{col=Color.YELLOW;}break;
}
if (side==1) {col=col.darker();}
g.setColor(col);
g.drawLine(x,drawStart,x,drawEnd);*/
int texNum=SigRenderer.worldMap[mapX][mapY]-1;
double wallX;
if (side==0) {
wallX=SigRenderer.y+perpWallDist*rayDirY;
} else {
wallX=SigRenderer.x+perpWallDist*rayDirX;
}
wallX-=Math.floor(wallX);
int texX=(int)(wallX*(double)SigRenderer.TEXTURE_WIDTH);
if (side==0&&rayDirX>0){texX=SigRenderer.TEXTURE_WIDTH-texX-1;}
if (side==1&&rayDirY<0){texX=SigRenderer.TEXTURE_WIDTH-texX-1;}
double step=1d*SigRenderer.TEXTURE_HEIGHT/lineHeight;
double texPos=(drawStart-h/2+lineHeight/2)*step;
for (int y=drawStart;y<drawEnd;y++) {
int texY=(int)texPos&(SigRenderer.TEXTURE_HEIGHT-1);
texPos+=step;
Color col = new Color(SigRenderer.textures[texNum][SigRenderer.TEXTURE_HEIGHT*texY+texX]);
if (side==1) {col=col.darker();}
buffer.setRGB(x,y,col.getRGB());
}
}
Graphics2D g2 = buffer2.createGraphics();
g2.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR));
g2.fillRect(0,0,SigRenderer.SCREEN_WIDTH,SigRenderer.SCREEN_HEIGHT);
buffer2.getGraphics().drawImage(toCompatibleImage(buffer),0,0,null);
buffer2=toCompatibleImage(buffer2);
} }
BufferedImage toCompatibleImage(BufferedImage image)
{
// obtain the current system graphical settings
GraphicsConfiguration gfxConfig = GraphicsEnvironment.
getLocalGraphicsEnvironment().getDefaultScreenDevice().
getDefaultConfiguration();
/*
* if image is already compatible and optimized for current system
* settings, simply return it
*/
if (image.getColorModel().equals(gfxConfig.getColorModel()))
return image;
// image is not optimized, so create a new image that is
BufferedImage newImage = gfxConfig.createCompatibleImage(
image.getWidth(), image.getHeight(), image.getTransparency());
// get the graphics context of the new image to draw the old image on
Graphics2D g2d = newImage.createGraphics();
// actually draw the image and dispose of context no longer needed
g2d.drawImage(image, 0, 0, null);
g2d.dispose();
// return the new optimized image
return newImage;
}
SigRenderer(JFrame f) { SigRenderer(JFrame f) {
for (int x=0;x<TEXTURE_WIDTH;x++) {
for (int y=0;y<TEXTURE_HEIGHT;y++) {
int xorcolor = (x*256/TEXTURE_WIDTH)^(y*256/TEXTURE_HEIGHT);
int ycolor=y*256/TEXTURE_HEIGHT;
int xycolor=y*128/TEXTURE_HEIGHT+x*128/TEXTURE_WIDTH;
textures[0][TEXTURE_WIDTH*y+x]=65536*254*((x!=y&&x!=TEXTURE_WIDTH-y)?1:0);
textures[1][TEXTURE_WIDTH*y+x]=xycolor+256*xycolor+65536*xycolor;
textures[2][TEXTURE_WIDTH*y+x]=256*xycolor+65536*xycolor;
textures[3][TEXTURE_WIDTH*y+x]=xorcolor+256*xorcolor+65536*xorcolor;
textures[4][TEXTURE_WIDTH*y+x]=256*xorcolor;
textures[5][TEXTURE_WIDTH*y+x]=65536*192*((x%16>=1&&y%16>=1)?1:0);
textures[6][TEXTURE_WIDTH*y+x]=65536*ycolor;
textures[7][TEXTURE_WIDTH*y+x]=128+256*128+65536*128;
}
}
Panel p = new Panel(); Panel p = new Panel();
new Thread() { new Thread() {

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