From dcc04cba2446a7bfe8af8268229f3ca28e228b13 Mon Sep 17 00:00:00 2001 From: epoch Date: Mon, 21 Nov 2016 03:08:58 -0600 Subject: added an example use of hackvr with the filebrowser dir. updated a bunch of stuff in hackvr needed to that that filebrowser working. added a multicast example what uses mcast program in my misc repo. updated obj2hackvr to require a filename as argument instead of using stdin --- hackvr.c | 254 ++++++++++++++++++++++++++++++++++++++++++++++----------------- 1 file changed, 186 insertions(+), 68 deletions(-) (limited to 'hackvr.c') diff --git a/hackvr.c b/hackvr.c index 515ce9c..8da254f 100644 --- a/hackvr.c +++ b/hackvr.c @@ -20,9 +20,9 @@ int oldtime=0; int oldfps=0; int fps=0; -//TODO: use different patterns on triangles for different shading. //TODO: don't forget to remake gophervr with this. //TODO: line and triangle intersection for finding what object was clicked on +//if I don't do hiliting I only need to calculate that upon click. #define WALK_SPEED 1 #define SPLIT_SCREEN 1 @@ -141,6 +141,7 @@ struct mainwin { char debug;//flag char drawsky;//flag char zsort; + char selected_object[256];//meh real mmz; XColor green; Colormap color_map; @@ -224,9 +225,11 @@ C b A (x1,y1) /* c2_t get_c2_intersection(c2_t p1,real theta,c2_t p2) { - + real c; + c=distance2(p1,p2); + theta_a=C A B + b = (c/1) * (theta_a + theta_offset) } - int get_2D_intersection_X(x1,y1,theta_offset,x2,y2) { int x3a,y3a,x3b,y3b; int a,b,c;//lenght of sides. @@ -236,6 +239,7 @@ int get_2D_intersection_X(x1,y1,theta_offset,x2,y2) { theta_a= // x1,y1,x2,y2 +//what are these d1 and d2? if(d1==d2) return global.math_error=1; c=dist(x1,y1,x2,y2); b = (c/1) * (theta_a + theta_offset); @@ -335,7 +339,6 @@ c2_t c3_to_c2(c3_t p3) { //DO NOT DRAW STUFF IN HERE // c3_t tmp1; // c3_t tmp2; // c3_t tmp3; - int colori=100; c3_t final; final=rotate_c3_yr(p3,camera.p,d2r(camera.yr));//rotate everything around the camera's location. // final=rotate_c3_yr(p3,(c3_t){0,0,0},d2r(camera.yr));//rotate everything around the center no matter what. @@ -344,15 +347,6 @@ c2_t c3_to_c2(c3_t p3) { //DO NOT DRAW STUFF IN HERE real delta_x=(camera.p.x - final.x); real delta_y=(camera.p.y - final.y); real delta_z=(camera.p.z - final.z); -// XSetForeground(global.dpy, global.gc, global.green.pixel); - if(global.greyscale) { - if(delta_z*2 > 0) { - if(delta_z*2 < 100) { - colori=delta_z*2; - } - } - XSetForeground(global.dpy,global.backgc,global.colors[100-colori].pixel); - } // real d=distance3(camera.p,final); p2.y=camera.zoom * (delta_y * MAGIC(delta_z) - delta_y); p2.x=camera.zoom * (delta_x * MAGIC(delta_z) - delta_x); @@ -360,8 +354,8 @@ c2_t c3_to_c2(c3_t p3) { //DO NOT DRAW STUFF IN HERE } void draw_c3_line(c3_t p1,c3_t p2) { - if(!between_angles(points_to_angle((c2_t){camera.p.x,camera.p.z},(c2_t){p1.x,p1.z}),0,90) || - !between_angles(points_to_angle((c2_t){camera.p.x,camera.p.z},(c2_t){p2.x,p2.z}),0,90)) return; +// if(!between_angles(points_to_angle((c2_t){camera.p.x,camera.p.z},(c2_t){p1.x,p1.z}),0,90) || +// !between_angles(points_to_angle((c2_t){camera.p.x,camera.p.z},(c2_t){p2.x,p2.z}),0,90)) return; if(global.drawminimap == 1) { draw_c2_line((c2_t){(camera.p.x-2)*global.mmz,(camera.p.z+2)*global.mmz},(c2_t){(camera.p.x+2)*global.mmz,(camera.p.z-2)*global.mmz}); draw_c2_line((c2_t){(camera.p.x+2)*global.mmz,(camera.p.z+2)*global.mmz},(c2_t){(camera.p.x-2)*global.mmz,(camera.p.z-2)*global.mmz}); @@ -373,6 +367,9 @@ void draw_c3_line(c3_t p1,c3_t p2) { draw_c2_line((c2_t){t1.x*global.mmz,t1.z*global.mmz},(c2_t){t2.x*global.mmz,t2.z*global.mmz}); } if(global.draw3d != 0) draw_c2_line(c3_to_c2(p1),c3_to_c2(p2)); + if(global.debug) { + + } } cs_t c3_to_cs(c3_t p) { @@ -417,7 +414,6 @@ real shitdist(struct c3_triangle t,c3_t p) { //black out the rest of the triangle first? //sounds alright to me... - void HatchLines(c2_t p1,c2_t p2,c2_t p3,int density) { real i=0; for(i=1;id < b->d); + return ((a->d) > (b->d)); } + +/* +void draw_c3_point_text(c3_t p,char *text) { + char coords[256]; + int direction,ascent,descent; + cs_t p2; + p2=c3_to_cs(p); + snprintf(coords,sizeof(coords)-1,"(%Lf,%Lf,%Lf)",p.x,p.y,p.z); + XTextExtents(font,text,strlen(text),&direction,&ascent,&descent,&overall); + XDrawString(global.dpy,global.backbuffer,global.backgc,p2.x,p2.y+(descent+ascent),coords,strlen(coords)); +}*/ + void draw_screen(Display *dpy,Window w,GC gc) { - int i,j; + int i; + int colori=100; int cn=0;//camera number. XFontStruct *font=XLoadQueryFont(global.dpy,"fixed"); XCharStruct overall; @@ -517,6 +546,7 @@ void draw_screen(Display *dpy,Window w,GC gc) { oldfps=fps; fps=0; } + XSetForeground(global.dpy, global.backgc, global.green.pixel); snprintf(coords,sizeof(coords)-1,"debug: %s minimap: %d 3d: %d fps: %d triangles: %d",global.debug?"on":"off",global.drawminimap,global.draw3d,oldfps,global.triangles); XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*1,coords,strlen(coords)); @@ -563,7 +593,7 @@ void draw_screen(Display *dpy,Window w,GC gc) { draw_c3_line((c3_t){3,0,-3},(c3_t){3,0,3}); draw_c3_line((c3_t){3,0,-3},(c3_t){3,6,-3}); */ - +/* //floor grid for(i=-21;i<21;i+=3) { for(j=-21;j<21;j+=3) { @@ -572,29 +602,54 @@ void draw_screen(Display *dpy,Window w,GC gc) { draw_c3_line((c3_t){i,0,j},(c3_t){i+3,0,j}); } } - +*/ //apply rotation? - // load up the triangles to render... after applying rotation? for(i=0;global.triangle[i];i++) { zs[i].t=global.triangle[i]; //rotate_triangle(zs[i].t); } // - if(global.zsort) { + if(1) {//global.zsort) { for(i=0;global.triangle[i];i++) { zs[i].d=shitdist(*(zs[i].t),camera.p); } qsort(&zs,i,sizeof(zs[0]),(__compar_fn_t)compar);//sort these zs structs based on d. } //draw all triangles + if(zs[0].t) { + strcpy(global.selected_object,zs[0].t->id); + } for(i=0;global.triangle[i];i++) { + //now we pick the color of this triangle! + + if(!strcmp(global.selected_object,zs[i].t->id)) { + XSetForeground(global.dpy,global.backgc,global.green.pixel); + } else { + if(global.greyscale) { + if(zs[i].d > 0) { + if(zs[i].d < 100) { + colori=zs[i].d; + } + } + XSetForeground(global.dpy,global.backgc,global.colors[100-colori].pixel); + } + } + draw_c3_triangle(*(zs[i].t)); } + XSetForeground(global.dpy, global.backgc, global.green.pixel); + snprintf(coords,sizeof(coords)-1,"selected object: %s",global.selected_object); + XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall); + XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*5,coords,strlen(coords)); + camera.p.z+=(global.split_flip)*(global.split*cosl(d2r(camera.yr+180))); camera.p.x+=(global.split_flip)*(global.split*sinl(d2r(camera.yr+180))); + + } + //DONT USE WIDTH for shit. /* x1=nextX(WIDTH/2,HEIGHT/2,d2r(camera.yr),40); @@ -625,7 +680,7 @@ void draw_screen(Display *dpy,Window w,GC gc) { */ camera.p.x = oldx; camera.p.z = oldz; //-= cn*CAMERA_SEPARATION; - XClearWindow(global.dpy, w); +// XClearWindow(global.dpy, w); XCopyArea(global.dpy,global.backbuffer,w,gc,0,0,global.width,global.height,0,0);//move backbuffer to window // XCopyPlane(global.dpy,global.backbuffer,w,gc,0,0,global.width,global.height,0,0,0x000100);//move backbuffer to window } @@ -690,15 +745,17 @@ int load_stdin() { char **a; int len; int ret=0; - int j,k; + int j,k,l; //struct timeval timeout; //fd_set master; //fd_set readfs; //FD_ZERO(&master); //FD_ZERO(&readfs); //FD_SET(0,&master);//just stdin. - static int i=0;//used to store the last triangle. - for(;global.triangle[i];i++) ;//hop to the end. + int i;//used to store the last triangle. + +// printf("# entering load_stdin()\n"); + for(i=0;global.triangle[i];i++) ;//hop to the end. fcntl(0,F_SETFL,O_NONBLOCK); if(feof(stdin)) { clearerr(stdin); @@ -712,8 +769,9 @@ int load_stdin() { // } // if(FD_ISSET(0,&readfs)) { while((line=read_line_hack(stdin,0))) {//load as long there's something to load +// while((line=read_line_hack(stdin,0))) {//load as long there's something to load if(*line == '#') return 0; - printf("# read command: %s\n",line); + //printf("# read command: %s\n",line); a=line_splitter(line,&len); if(len > 1) { id=a[0]; @@ -726,16 +784,46 @@ int load_stdin() { // } // fflush(stdout); ret=1; + if(!strcmp(command,"deleteallexcept")) { + for(j=0;global.triangle[j];j++) {//mark first. compress later. + if(strcmp(global.triangle[j]->id,t.id)) { + // free(global.triangle[j]->id); + // free(global.triangle[j]); + global.triangle[j]=0; + } + } + l=0; + for(k=0;kid,t.id)) { - for(k=j;k<=(i+1);k++) { - global.triangle[k]=global.triangle[k+1]; - i--; - j=-1;//restart! + free(global.triangle[j]->id); + free(global.triangle[j]); + global.triangle[j]=0; + } + } + l=0; + for(k=0;kid,a[2])) { + free(global.triangle[j]->id); + global.triangle[j]->id=strdup(id); } } } + continue; } if(!strcmp(command,"addtriangle")) { if(len == 11) { @@ -784,40 +872,45 @@ int load_stdin() { if(!strcmp(command,"move")) {// extra fun if the arguments are different. t.id=strdup(id); - t.p1.x=strtold(a[2],0);//second arg is just for a return value. set to 0 if you don't want it. - t.p1.y=strtold(a[3],0); - t.p1.z=strtold(a[4],0); - t.p2.x=strtold(a[5],0); - t.p2.y=strtold(a[6],0); - t.p2.z=strtold(a[7],0); - t.p3.x=strtold(a[8],0); - t.p3.y=strtold(a[9],0); - t.p3.z=strtold(a[10],0); - for(i=0;global.triangle[i];i++) { - if(!strcmp(global.triangle[i]->id,t.id)) { - global.triangle[i]->p1.x+=t.p1.x; - global.triangle[i]->p1.y+=t.p1.y; - global.triangle[i]->p1.z+=t.p1.z; - global.triangle[i]->p2.x+=t.p1.x; - global.triangle[i]->p2.y+=t.p1.y; - global.triangle[i]->p2.z+=t.p1.z; - global.triangle[i]->p3.x+=t.p1.x; - global.triangle[i]->p3.y+=t.p1.y; - global.triangle[i]->p3.z+=t.p1.z; + if(len == 11) { + t.p1.x=strtold(a[2],0);//second arg is just for a return value. set to 0 if you don't want it. + t.p1.y=strtold(a[3],0); + t.p1.z=strtold(a[4],0); + t.p2.x=strtold(a[5],0); + t.p2.y=strtold(a[6],0); + t.p2.z=strtold(a[7],0); + t.p3.x=strtold(a[8],0); + t.p3.y=strtold(a[9],0); + t.p3.z=strtold(a[10],0); + for(i=0;global.triangle[i];i++) { + if(!strcmp(global.triangle[i]->id,t.id)) { + global.triangle[i]->p1.x+=t.p1.x; + global.triangle[i]->p1.y+=t.p1.y; + global.triangle[i]->p1.z+=t.p1.z; + global.triangle[i]->p2.x+=t.p1.x; + global.triangle[i]->p2.y+=t.p1.y; + global.triangle[i]->p2.z+=t.p1.z; + global.triangle[i]->p3.x+=t.p1.x; + global.triangle[i]->p3.y+=t.p1.y; + global.triangle[i]->p3.z+=t.p1.z; /* - global.triangle[i]->p2.x+=t.p2.x; - global.triangle[i]->p2.y+=t.p2.y; - global.triangle[i]->p2.z+=t.p2.z; - global.triangle[i]->p3.x+=t.p3.x; - global.triangle[i]->p3.y+=t.p3.y; - global.triangle[i]->p3.z+=t.p3.z; + global.triangle[i]->p2.x+=t.p2.x; + global.triangle[i]->p2.y+=t.p2.y; + global.triangle[i]->p2.z+=t.p2.z; + global.triangle[i]->p3.x+=t.p3.x; + global.triangle[i]->p3.y+=t.p3.y; + global.triangle[i]->p3.z+=t.p3.z; */ + } } } + else { + printf("# ERROR: wrong amount of parts for move. got: %d expected: 11\n",len); + } continue; //return ret; } - printf("# I don't know what you're talking about."); + printf("# I don't know what command you're talking about. %s\n",command); /* if(!strcmp(command,"rotate")) { for(i=0;global.triangle[i];i++) { global.triangle[i]->p1=rotate_c3_about() @@ -829,6 +922,7 @@ int load_stdin() { if(a) free(a); // } } +// printf("# leaving load_stdin()\n"); return ret; } @@ -860,6 +954,10 @@ int keypress_handler(int sym) { // real tmpy; //unused atm real tmpz; switch(sym) { + case XK_Return: + snprintf(line,sizeof(line)-1,"%s action %s\n",global.user,global.selected_object); + selfcommand(line); + break; case XK_Up: tmpx=WALK_SPEED*sinl(d2r(camera.yr+90)); tmpz=WALK_SPEED*cosl(d2r(camera.yr+90)); @@ -975,13 +1073,18 @@ int main(int argc,char *argv[]) { } else { global.user=strdup(argv[1]); } - global.dpy = XOpenDisplay(0); + fcntl(1,F_SETFL,O_NONBLOCK);//won't work + printf("# Opening X Display... (%s)\n",getenv("DISPLAY")); + if((global.dpy = XOpenDisplay(0)) == NULL) return printf("# failure.\n"),2; + else printf("# done.\n"); global.color_map=DefaultColormap(global.dpy, DefaultScreen(global.dpy)); + printf("# generating grays...\n"); for(i=0;i<=100;i++) { snprintf(tmp,sizeof(tmp),"gray%d",i); XAllocNamedColor(global.dpy,global.color_map,tmp,&global.colors[i],&global.colors[i]); } + printf("# done.\n"); setbuf(stdin,0); setbuf(stdout,0); assert(global.dpy); @@ -997,8 +1100,6 @@ int main(int argc,char *argv[]) { } else { w = XCreateWindow(global.dpy,DefaultRootWindow(global.dpy),0,0,WIDTH*global.split_screen,HEIGHT,1,DefaultDepth(global.dpy,DefaultScreen(global.dpy)),InputOutput,DefaultVisual(global.dpy,DefaultScreen(global.dpy))\ ,CWBackPixel, &attributes); - } - if(!global.root_window) { XSizeHints *hints=XAllocSizeHints(); hints->min_aspect.x=4*global.split_screen; hints->min_aspect.y=3; @@ -1022,16 +1123,24 @@ int main(int argc,char *argv[]) { global.backbuffer=XCreatePixmap(global.dpy,w,global.width,global.height,DefaultDepth(global.dpy,DefaultScreen(global.dpy))); global.cleanbackbuffer=XCreatePixmap(global.dpy,w,global.width,global.height,DefaultDepth(global.dpy,DefaultScreen(global.dpy))); +//backbuffer is uninitialized global.backgc=XCreateGC(global.dpy,global.backbuffer,0,0); - cursor=XCreateFontCursor(global.dpy,XC_crosshair); XDefineCursor(global.dpy, w, cursor); XAllocNamedColor(global.dpy, global.color_map, "green", &global.green, &global.green); XSetForeground(global.dpy, global.gc, global.green.pixel); + XSetForeground(global.dpy, global.backgc, global.colors[0].pixel);//black. we're about to draw the blank background using this. + XSetBackground(global.dpy, global.gc, global.colors[160].pixel); + XSetBackground(global.dpy, global.backgc, global.colors[140].pixel); + + XFillRectangle(global.dpy,global.cleanbackbuffer,global.backgc,0,0,global.width,global.height); XSetForeground(global.dpy, global.backgc, global.green.pixel); + // XSetForeground(global.dpy, gc, whiteColor); +// this was taking a "long" time. + printf("# generating sky... "); skypixmap=XCreatePixmap(global.dpy,w,SKYW,SKYH,DefaultDepth(global.dpy,DefaultScreen(global.dpy))); for(i=0;i