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Translucency implementation.

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This commit is contained in:
Joshua Sigona 2021-11-08 02:04:53 +09:00
parent 5d6c8de3b5
commit 4d3d72eba2
6 changed files with 208 additions and 60 deletions
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48
src/sig/Block.java
View File

@ -20,58 +20,22 @@ public class Block {
}
public void updateFaces() {
if (SigRenderer.blockGrid.containsKey(pos.x+"_"+(pos.y+1)+"_"+pos.z)) {
neighbors.UP=true;
if (block.triangles.get(Texture.TOP).tex.hasTransparency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y+1)+"_"+pos.z).block.triangles.get(Texture.BOTTOM).tex.hasTransparency) {
SigRenderer.blockGrid.get(pos.x+"_"+(pos.y+1)+"_"+pos.z).neighbors.DOWN=true;
} else
if (block.triangles.get(Texture.TOP).tex.hasTransparency&&!SigRenderer.blockGrid.get(pos.x+"_"+(pos.y+1)+"_"+pos.z).block.triangles.get(Texture.BOTTOM).tex.hasTransparency) {
SigRenderer.blockGrid.get(pos.x+"_"+(pos.y+1)+"_"+pos.z).neighbors.DOWN=false;
}
neighbors.UP=SigRenderer.blockGrid.get(pos.x+"_"+(pos.y+1)+"_"+pos.z).neighbors.DOWN=block.triangles.get(Texture.TOP).tex.hasTransparency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y+1)+"_"+pos.z).block.triangles.get(Texture.BOTTOM).tex.hasTransparency&&block.triangles.get(Texture.TOP).tex.hasTranslucency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y+1)+"_"+pos.z).block.triangles.get(Texture.BOTTOM).tex.hasTranslucency;
}
if (SigRenderer.blockGrid.containsKey(pos.x+"_"+(pos.y-1)+"_"+pos.z)) {
neighbors.DOWN=true;
if (block.triangles.get(Texture.BOTTOM).tex.hasTransparency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y-1)+"_"+pos.z).block.triangles.get(Texture.TOP).tex.hasTransparency) {
SigRenderer.blockGrid.get(pos.x+"_"+(pos.y-1)+"_"+pos.z).neighbors.UP=true;
} else
if (block.triangles.get(Texture.BOTTOM).tex.hasTransparency&&!SigRenderer.blockGrid.get(pos.x+"_"+(pos.y-1)+"_"+pos.z).block.triangles.get(Texture.TOP).tex.hasTransparency) {
SigRenderer.blockGrid.get(pos.x+"_"+(pos.y-1)+"_"+pos.z).neighbors.UP=false;
}
neighbors.DOWN=SigRenderer.blockGrid.get(pos.x+"_"+(pos.y-1)+"_"+pos.z).neighbors.UP=block.triangles.get(Texture.BOTTOM).tex.hasTransparency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y-1)+"_"+pos.z).block.triangles.get(Texture.TOP).tex.hasTransparency&&block.triangles.get(Texture.BOTTOM).tex.hasTranslucency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y-1)+"_"+pos.z).block.triangles.get(Texture.TOP).tex.hasTranslucency;
}
if (SigRenderer.blockGrid.containsKey((pos.x-1)+"_"+(pos.y)+"_"+pos.z)) {
neighbors.LEFT=true;
if (block.triangles.get(Texture.WEST).tex.hasTransparency==SigRenderer.blockGrid.get((pos.x-1)+"_"+(pos.y)+"_"+pos.z).block.triangles.get(Texture.EAST).tex.hasTransparency) {
SigRenderer.blockGrid.get((pos.x-1)+"_"+(pos.y)+"_"+pos.z).neighbors.RIGHT=true;
} else
if (block.triangles.get(Texture.WEST).tex.hasTransparency&&!SigRenderer.blockGrid.get((pos.x-1)+"_"+(pos.y)+"_"+pos.z).block.triangles.get(Texture.EAST).tex.hasTransparency) {
SigRenderer.blockGrid.get((pos.x-1)+"_"+(pos.y)+"_"+pos.z).neighbors.RIGHT=false;
}
neighbors.LEFT=SigRenderer.blockGrid.get((pos.x-1)+"_"+(pos.y)+"_"+pos.z).neighbors.RIGHT=block.triangles.get(Texture.WEST).tex.hasTransparency==SigRenderer.blockGrid.get((pos.x-1)+"_"+(pos.y)+"_"+pos.z).block.triangles.get(Texture.EAST).tex.hasTransparency&&block.triangles.get(Texture.WEST).tex.hasTranslucency==SigRenderer.blockGrid.get((pos.x-1)+"_"+(pos.y)+"_"+pos.z).block.triangles.get(Texture.EAST).tex.hasTranslucency;
}
if (SigRenderer.blockGrid.containsKey((pos.x+1)+"_"+(pos.y)+"_"+pos.z)) {
neighbors.RIGHT=true;
if (block.triangles.get(Texture.EAST).tex.hasTransparency==SigRenderer.blockGrid.get((pos.x+1)+"_"+(pos.y)+"_"+pos.z).block.triangles.get(Texture.WEST).tex.hasTransparency) {
SigRenderer.blockGrid.get((pos.x+1)+"_"+(pos.y)+"_"+pos.z).neighbors.LEFT=true;
} else
if (block.triangles.get(Texture.EAST).tex.hasTransparency&&!SigRenderer.blockGrid.get((pos.x+1)+"_"+(pos.y)+"_"+pos.z).block.triangles.get(Texture.WEST).tex.hasTransparency) {
SigRenderer.blockGrid.get((pos.x+1)+"_"+(pos.y)+"_"+pos.z).neighbors.LEFT=false;
}
neighbors.RIGHT=SigRenderer.blockGrid.get((pos.x+1)+"_"+(pos.y)+"_"+pos.z).neighbors.LEFT=block.triangles.get(Texture.EAST).tex.hasTransparency==SigRenderer.blockGrid.get((pos.x+1)+"_"+(pos.y)+"_"+pos.z).block.triangles.get(Texture.WEST).tex.hasTransparency&&block.triangles.get(Texture.EAST).tex.hasTranslucency==SigRenderer.blockGrid.get((pos.x+1)+"_"+(pos.y)+"_"+pos.z).block.triangles.get(Texture.WEST).tex.hasTranslucency;
}
if (SigRenderer.blockGrid.containsKey(pos.x+"_"+(pos.y)+"_"+(pos.z+1))) {
neighbors.FORWARD=true;
if (block.triangles.get(Texture.SOUTH).tex.hasTransparency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z+1)).block.triangles.get(Texture.NORTH).tex.hasTransparency) {
SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z+1)).neighbors.BACKWARD=true;
} else
if (block.triangles.get(Texture.SOUTH).tex.hasTransparency&&!SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z+1)).block.triangles.get(Texture.NORTH).tex.hasTransparency) {
SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z+1)).neighbors.BACKWARD=false;
}
neighbors.FORWARD=SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z+1)).neighbors.BACKWARD=block.triangles.get(Texture.SOUTH).tex.hasTransparency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z+1)).block.triangles.get(Texture.NORTH).tex.hasTransparency&&block.triangles.get(Texture.SOUTH).tex.hasTranslucency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z+1)).block.triangles.get(Texture.NORTH).tex.hasTranslucency;
}
if (SigRenderer.blockGrid.containsKey(pos.x+"_"+(pos.y)+"_"+(pos.z-1))) {
neighbors.BACKWARD=true;
if (block.triangles.get(Texture.NORTH).tex.hasTransparency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z-1)).block.triangles.get(Texture.SOUTH).tex.hasTransparency) {
SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z-1)).neighbors.FORWARD=true;
} else
if (block.triangles.get(Texture.NORTH).tex.hasTransparency&&!SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z-1)).block.triangles.get(Texture.SOUTH).tex.hasTransparency) {
SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z-1)).neighbors.FORWARD=false;
}
neighbors.BACKWARD=SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z-1)).neighbors.FORWARD=block.triangles.get(Texture.NORTH).tex.hasTransparency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z-1)).block.triangles.get(Texture.SOUTH).tex.hasTransparency&&block.triangles.get(Texture.NORTH).tex.hasTranslucency==SigRenderer.blockGrid.get(pos.x+"_"+(pos.y)+"_"+(pos.z-1)).block.triangles.get(Texture.SOUTH).tex.hasTranslucency;
}
}
@Override

123
src/sig/Panel.java
View File

@ -10,13 +10,17 @@ import java.awt.Image;
import java.awt.image.MemoryImageSource;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.ConcurrentLinkedQueue;
import java.awt.image.ColorModel;
import java.awt.GraphicsEnvironment;
import java.awt.GraphicsConfiguration;
import java.awt.Toolkit;
import java.util.Queue;
public class Panel extends JPanel implements Runnable {
long startTime = System.nanoTime();
@ -75,6 +79,7 @@ public class Panel extends JPanel implements Runnable {
}
SigRenderer.depthBuffer = new float[width*height];
SigRenderer.depthBuffer_tri = new Triangle[width*height];
SigRenderer.translucencyBuffer = new boolean[width*height];
}
/**
* Do your draws in here !!
@ -95,6 +100,7 @@ public class Panel extends JPanel implements Runnable {
p[ (int)(x*SigRenderer.RESOLUTION) + (int)(y*SigRenderer.RESOLUTION) * width] = 0;
SigRenderer.depthBuffer[x+y*width]=0;
SigRenderer.depthBuffer_tri[x+y*width]=null;
SigRenderer.translucencyBuffer[x+y*width]=false;
}
}
@ -234,14 +240,131 @@ public class Panel extends JPanel implements Runnable {
}
}
renderNeeded=true;
boolean translucencyDetected=false;
for (int x=0;x<SigRenderer.SCREEN_WIDTH;x++) {
for (int y=0;y<SigRenderer.SCREEN_HEIGHT;y++) {
if (SigRenderer.translucencyBuffer[x+y*SigRenderer.SCREEN_WIDTH]) {
translucencyDetected=true;
SigRenderer.depthBuffer[x+y*SigRenderer.SCREEN_WIDTH]=0;
//SigRenderer.depthBuffer_tri[x+y*SigRenderer.SCREEN_WIDTH]=null;
}
Triangle t = SigRenderer.depthBuffer_tri[x+y*SigRenderer.SCREEN_WIDTH];
if (t!=null) {
t.nextRenderTime=t.nextRenderTime2=-1;
}
}
}
if (translucencyDetected) {
Collections.sort((ArrayList<Triangle>)currentRender, 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 : currentRender) {
Triangle[] clipped = new Triangle[]{new Triangle(),new Triangle()};
List<Triangle> triList = new ArrayList<>();
triList.add(t);
int newTriangles=1;
for (int pl=0;pl<4;pl++) {
int trisToAdd=0;
while (newTriangles>0) {
clipped = new Triangle[]{new Triangle(),new Triangle()};
Triangle test = triList.remove(0);
newTriangles--;
switch (pl) {
case 0:{trisToAdd = Triangle.ClipAgainstPlane(new Vector(0,0,0),new Vector(0,1,0),test,clipped);}break;
case 1:{trisToAdd = Triangle.ClipAgainstPlane(new Vector(0,getHeight()-1f,0),new Vector(0,-1,0),test,clipped);}break;
case 2:{trisToAdd = Triangle.ClipAgainstPlane(new Vector(0,0,0),new Vector(1,0,0),test,clipped);}break;
case 3:{trisToAdd = Triangle.ClipAgainstPlane(new Vector(getWidth()-1f,0,0),new Vector(-1,0,0),test,clipped);}break;
}
for (int w=0;w<trisToAdd;w++) {
triList.add(clipped[w]);
}
}
newTriangles=triList.size();
}
if (SigRenderer.PROFILING) {
startTime2 = System.nanoTime();
}
for (Triangle tt : triList) {
if (tt.tex!=null) {
DrawUtils.TexturedTriangle(p,
(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&0xFF0000)>>16,tt,DrawUtils.IGNORE_TRANSLUCENT_RENDERING);
} 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.getRGB());
}
}
if (SigRenderer.PROFILING) {
totalTime+=System.nanoTime()-startTime2;
}
}
for (Triangle t : currentRender) {
Triangle[] clipped = new Triangle[]{new Triangle(),new Triangle()};
List<Triangle> triList = new ArrayList<>();
triList.add(t);
int newTriangles=1;
for (int pl=0;pl<4;pl++) {
int trisToAdd=0;
while (newTriangles>0) {
clipped = new Triangle[]{new Triangle(),new Triangle()};
Triangle test = triList.remove(0);
newTriangles--;
switch (pl) {
case 0:{trisToAdd = Triangle.ClipAgainstPlane(new Vector(0,0,0),new Vector(0,1,0),test,clipped);}break;
case 1:{trisToAdd = Triangle.ClipAgainstPlane(new Vector(0,getHeight()-1f,0),new Vector(0,-1,0),test,clipped);}break;
case 2:{trisToAdd = Triangle.ClipAgainstPlane(new Vector(0,0,0),new Vector(1,0,0),test,clipped);}break;
case 3:{trisToAdd = Triangle.ClipAgainstPlane(new Vector(getWidth()-1f,0,0),new Vector(-1,0,0),test,clipped);}break;
}
for (int w=0;w<trisToAdd;w++) {
triList.add(clipped[w]);
}
}
newTriangles=triList.size();
}
if (SigRenderer.PROFILING) {
startTime2 = System.nanoTime();
}
for (Triangle tt : triList) {
if (tt.tex!=null) {
tt.unmodifiedTri.nextRenderTime=tt.unmodifiedTri.nextRenderTime2=-1;
DrawUtils.TexturedTriangle(p,
(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&0xFF0000)>>16,tt,DrawUtils.TRANSLUCENT_ONLY_RENDERING);
} 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.getRGB());
}
}
if (SigRenderer.PROFILING) {
totalTime+=System.nanoTime()-startTime2;
}
}
for (int x=0;x<SigRenderer.SCREEN_WIDTH;x++) {
for (int y=0;y<SigRenderer.SCREEN_HEIGHT;y++) {
Triangle t = SigRenderer.depthBuffer_tri[x+y*SigRenderer.SCREEN_WIDTH];
if (t!=null) {
t.nextRenderTime=t.nextRenderTime2=-1;
}
}
}
}
SigRenderer.request=null;
SigRenderer.answer=SigRenderer.tempAnswer;
if (SigRenderer.PROFILING) {

21
src/sig/SigRenderer.java
View File

@ -12,7 +12,9 @@ import java.io.IOException;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.util.HashMap;
import java.util.LinkedList;
import java.util.List;
import java.util.Queue;
import java.util.Random;
import java.util.concurrent.ConcurrentHashMap;
import java.awt.Toolkit;
@ -51,6 +53,7 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
public static float[] depthBuffer;
public static Triangle[] depthBuffer_tri;
public static boolean[] translucencyBuffer;
public static HashMap<TextureType,Texture> blockTextures = new HashMap<TextureType,Texture>();
@ -117,8 +120,12 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
}
for (int x=0;x<64;x++) {
for (int y=0;y<5;y++) {
addBlock(new Vector(x,y,16),BlockType.GLASS);
for (int y=1;y<5;y++) {
if (x%8>2&&x%8<6&&y>1&&y<4) {
addBlock(new Vector(x,y,16),BlockType.GLASS);
} else {
addBlock(new Vector(x,y,16),BlockType.ICE);
}
}
}
@ -171,15 +178,19 @@ public class SigRenderer implements KeyListener,MouseListener,MouseMotionListene
WritableRaster r = img.getRaster();
for (TextureType tt : TextureType.values()) {
int[] pixelData = new int[tt.texWidth*BLOCK_WIDTH*tt.texHeight*BLOCK_HEIGHT];
Texture tex = new Texture(pixelData,tt.texWidth*BLOCK_WIDTH,tt.texHeight*BLOCK_HEIGHT);
Texture tex = new Texture(pixelData,tt.texWidth*BLOCK_WIDTH,tt.texHeight*BLOCK_HEIGHT,tt);
int startX=tt.texX*BLOCK_WIDTH;
int startY=tt.texY*BLOCK_HEIGHT;
for (int x=0;x<tt.texWidth*BLOCK_WIDTH;x++) {
for (int y=0;y<tt.texHeight*BLOCK_HEIGHT;y++) {
int[] pixel = r.getPixel(x+startX,y+startY,new int[4]);
pixelData[x+y*tt.texWidth*BLOCK_WIDTH]=pixel[2]+(pixel[1]<<8)+(pixel[0]<<16)+(pixel[3]<<24);
if (pixel[3]<255) {
tex.hasTransparency=true;
if (pixel[3]!=255) {
if (pixel[3]>0) {
tex.hasTranslucency=true;
} else {
tex.hasTransparency=true;
}
}
}
}

5
src/sig/Texture.java
View File

@ -14,6 +14,8 @@ public class Texture{
int width;
int height;
public boolean hasTransparency=false;
public boolean hasTranslucency=false;
TextureType type;
public Texture(File f) {
try {
@ -41,10 +43,11 @@ public class Texture{
public static final int TOP = 8;
public static final int BOTTOM = 10;
public Texture(int[] tex,int width,int height) {
public Texture(int[] tex,int width,int height,TextureType type) {
this.tex=tex;
this.width=width;
this.height=height;
this.type=type;
}
public int getColor(float u,float v,float mult) {

71
src/sig/utils/DrawUtils.java
View File

@ -9,16 +9,27 @@ import sig.Texture;
import sig.Triangle;
public class DrawUtils {
final public static int NORMAL_RENDERING = 0;
final public static int IGNORE_TRANSLUCENT_RENDERING = 1;
final public static int TRANSLUCENT_ONLY_RENDERING = 2;
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);
}
}
public static void TexturedTriangle(int[] canvas,
int x1, int y1, float u1,float v1,float w1,
int x2, int y2, float u2,float v2,float w2,
int x3, int y3, float u3,float v3,float w3,
Texture texture, int colorMult,Triangle ref) {
TexturedTriangle(canvas,x1,y1,u1,v1,w1,x2,y2,u2,v2,w2,x3,y3,u3,v3,w3,texture,colorMult,ref,NORMAL_RENDERING);
}
public static void TexturedTriangle(int[] canvas,
int x1, int y1, float u1,float v1,float w1,
int x2, int y2, float u2,float v2,float w2,
int x3, int y3, float u3,float v3,float w3,
Texture texture, int colorMult,Triangle ref
Texture texture, int colorMult,Triangle ref,
int rendering_state
) {
if (y2<y1) {int t=y1;y1=y2;y2=t;t=x1;x1=x2;x2=t;float u=u1;u1=u2;u2=u;float v=v1;v1=v2;v2=v;float w=w1;w1=w2;w2=w;}
if (y3<y1) {int t=y1;y1=y3;y3=t;t=x1;x1=x3;x3=t;float u=u1;u1=u3;u3=u;float v=v1;v1=v3;v3=v;float w=w1;w1=w3;w3=w;}
@ -86,11 +97,21 @@ public class DrawUtils {
}
int col = texture.getColor(tex_u/tex_w,tex_v/tex_w,colorMult/255f);
if (((col&0xFF000000)>>>24)!=0) {
Draw(canvas,j,i,col);
}
if (((col&0xFF000000)>>>24)==255) {
SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
if (((col&0xFF000000)>>>24)!=255) {
if (rendering_state==TRANSLUCENT_ONLY_RENDERING||
rendering_state==NORMAL_RENDERING) {
Draw(canvas,j,i,col);
SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
SigRenderer.translucencyBuffer[i*SigRenderer.SCREEN_WIDTH+j] = true;
}
} else {
if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
Draw(canvas,j,i,col);
SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
}
}
}
}
t+=tstep;
@ -147,11 +168,23 @@ public class DrawUtils {
}
int col = texture.getColor(tex_u/tex_w,tex_v/tex_w,colorMult/255f);
if (((col&0xFF000000)>>>24)!=0) {
Draw(canvas,j,i,col);
}
if (((col&0xFF000000)>>>24)==255) {
SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
if (((col&0xFF000000)>>>24)!=255) {
if (rendering_state==TRANSLUCENT_ONLY_RENDERING||
rendering_state==NORMAL_RENDERING) {
Draw(canvas,j,i,col);
SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
}
SigRenderer.translucencyBuffer[i*SigRenderer.SCREEN_WIDTH+j] = true;
}
} else {
if (rendering_state!=TRANSLUCENT_ONLY_RENDERING) {
Draw(canvas,j,i,col);
SigRenderer.depthBuffer[i*SigRenderer.SCREEN_WIDTH+j] = tex_w;
SigRenderer.depthBuffer_tri[i*SigRenderer.SCREEN_WIDTH+j] = ref.unmodifiedTri;
}
}
}
}
t+=tstep;
@ -350,7 +383,21 @@ public class DrawUtils {
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;
int alpha = col>>>24;
if (alpha>0&&alpha<255) {
float ratio = alpha/255f;
int prev_col = canvas[x+y*SigRenderer.SCREEN_WIDTH];
int prev_r=(prev_col&0xFF),prev_g=(prev_col&0xFF00)>>>8,prev_b=(prev_col&0xFF0000)>>>16;
int r=(col&0xFF),g=(col&0xFF00)>>>8,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[x+y*SigRenderer.SCREEN_WIDTH]=new_r+(new_g<<8)+(new_b<<16)+(col&0xFF000000);
} else {
canvas[x+y*SigRenderer.SCREEN_WIDTH]=col;
}
}
}
}

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textures.png
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