From ebde46bc82bebf478db67abef5b7dc88c014706b Mon Sep 17 00:00:00 2001
From: epoch <epoch@hacking.allowed.org>
Date: Tue, 3 Jan 2017 00:30:28 -0600
Subject: lots and lots of shit. opengl shit is barely worked on. new pl script
 to obj2hackvr using more than just
 triangles.http://hackaday.com/blog/http://hackaday.com/blog/

---
 hackvr.c | 1314 --------------------------------------------------------------
 1 file changed, 1314 deletions(-)
 delete mode 100644 hackvr.c

(limited to 'hackvr.c')

diff --git a/hackvr.c b/hackvr.c
deleted file mode 100644
index 6689258..0000000
--- a/hackvr.c
+++ /dev/null
@@ -1,1314 +0,0 @@
-#define _POSIX_C_SOURCE 200809L //for fileno and strdup
-#define _BSD_SOURCE
-#include <stdio.h>
-#include <string.h>
-#include <fcntl.h>
-#include <assert.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <stdlib.h>
-//#include <sys/select.h> //code to use select instead of non-blocking is commented out. might decide to use it later.
-#include <X11/Xlib.h>
-#include <X11/keysym.h>
-#include <X11/cursorfont.h>
-#include <X11/Xutil.h> //for size hints
-#include <time.h>
-#define __USE_GNU //for longer math constants
-#include <math.h>
-
-int oldtime=0;
-int oldfps=0;
-int fps=0;
-
-//TODO: optimizations
-//TODO: store caches of cs_t, c2_t, and c3_t numbers.
-//TODO: don't forget to remake gophervr with this.
-//TODO: XSegment or line structs to store some shit?
-//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
-#define CAMERA_SEPARATION 4
-#define RED_AND_BLUE 0
-
-#define SHAPES 16386
-#define MAX_SIDES 8
-
-#define min(a,b) (((a)<(b))?(a):(b))
-#define max(a,b) (((a)>(b))?(a):(b))
-
-typedef double long real; //think this conflicts?
-//typedef float real; //think this conflicts?
-
-typedef struct {
- real x;
- real y;
- real z;
-} c3_t;
-
-typedef struct {
- real x;
- real y;
-} c2_t;
-
-typedef struct { //same as XPoint, just use that? nah...
- short x;
- short y;
-} cs_t;
-
-//TODO: will have to make some pixmaps get resized when the window does.
-//for now set them to be as big as you think you'll ever resize the window to.
-#define WIDTH 1024
-#define HEIGHT 768
-
-#define SKYRULE 90
-#define SKYW (WIDTH*5)
-#define SKYH (HEIGHT/2)
-
-Pixmap skypixmap;
-char sky[SKYH][SKYW];
-
-struct object_1 {
- int type;
- unsigned char x;
- unsigned char y;
- unsigned char z;
-};
-
-struct object_2 {
- int type;
- unsigned short x;
- unsigned short y;
- unsigned short z;
-};
-
-struct object_4 {
- int type;
- unsigned int x;
- unsigned int y;
- unsigned int z;
-};
-
-struct camera {
-  c3_t p;
-  int xr;//rotations
-  int yr;
-  int zr;
-  real zoom;
-} camera;
-
-struct c3_line {
- char *id;
- c3_t p1;
- c3_t p2;
-};
-
-struct c3_shape {//use array or linked list?
-  char *id;
-  unsigned char len;
-  c3_t p[MAX_SIDES];
-};
-
-struct mainwin {
-  int x;
-  int y;
-  unsigned int depth;
-  int mousex;
-  int mousey;
-  int rmousex;
-  int rmousey;
-  int buttonpressed;
-  unsigned int width;
-  unsigned int height;
-  unsigned int border_width;
-  XColor colors[256];
-  int xoff;
-  int math_error;
-  int mapxoff;
-  int mapyoff;
-  int split_screen;
-  int split_flip;//1 or -1
-  char *user;
-  char greyscale;
-  char drawminimap;//flag
-  char draw3d;//flag
-  char debug;//flag
-  char drawsky;//flag
-  char zsort;
-  char red_and_blue;
-  char force_redraw;
-  char selected_object[256];//meh
-  real mmz;
-  XColor green;
-  XColor red;
-  XColor blue;
-  XColor redblue[2];
-  Colormap color_map;
-  Display *dpy;
-  Window w;
-  Pixmap backbuffer;
-  Pixmap cleanbackbuffer;
-  GC gc;
-  GC backgc;
-  struct c3_shape *shape[SHAPES];
-  int shapes;
-  int derp;
-  int root_window;
-  real split;
-} global;
-
-//used to figure out what c2 values are associated with each edge of the window.
-//#define TOP     160.0
-//#define BOTTOM  -160.0
-#define TOP     240.0
-#define BOTTOM  -240.0
-#define RIGHT   320.0
-#define LEFT    -320.0
-
-int c2sX(long double x) { return (global.width/(global.split_screen / (global.red_and_blue ? global.split_screen: 1))) * ((x + RIGHT) / (RIGHT *2)) + global.xoff; }
-int s2cX(long double x) { return (x/(global.width/(global.split_screen / (global.red_and_blue?global.split_screen :1))))*(RIGHT*2)-RIGHT; }
-
-int c2sY(long double y) { return global.height * ((TOP-y) / (TOP*2)); }
-int s2cY(long double y) { return -((y/global.height) * (TOP*2) - TOP); }
-
-cs_t c2_to_cs(c2_t p) {
- return (cs_t){c2sX(p.x),c2sY(p.y)};
-}
-c2_t cs_to_c2(cs_t p) {
- return (c2_t){s2cX(p.x),s2cY(p.y)};
-}
-
-long double distance2(c2_t p1,c2_t p2) {
- return sqrtl(( (p1.x-p2.x)*(p1.x-p2.x) )+( (p1.y-p2.y)*(p1.y-p2.y) ));
-}
-
-long double distance3(c3_t p1,c3_t p2) {
- return sqrtl(( (p1.x-p2.x)*(p1.x-p2.x) )+( (p1.y-p2.y)*(p1.y-p2.y) )+( (p1.z-p2.z)*(p1.z-p2.z) ));
-}
-
-long double points_to_angle(c2_t p1,c2_t p2) {
-  long double a=atan2l(p2.y-p1.y,p2.x-p1.x);
-  return a>=0?a:M_PIl+M_PIl+a;
-}
-
-long double d2r(int d) {
- while(d<0) d+=360;
- return (long double)(d%360) / (long double)180 * M_PIl;
-}
-int r2d(real r) {
- return r / M_PIl * 180;
-}
-
-int between_angles(real angle,real lower,real upper) {
-  //lower may be higher than upper.
-  //because lower is < 0 which wraps to higher. lower is 270, upper is 90. 270-90 is in front.
-  if(lower > upper) {
-    if(angle > lower) return 1;
-    if(angle < upper) return 1;
-  }
-  if(upper > lower) {
-    if(angle > lower && angle < upper) return 1;
-  }
-  return 0;
-}
-
-/*
-B (x2,y2)
- |-.   c
-a|  '-.
- |     '-.
- '--------~
-C    b     A (x1,y1)
-*/
-
-//I'll need this for collision I guess.
-
-/*
-
-//use this for finding a line that intersects with what the camera is pointing at
-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.
- int theta_a,theta_b,theta_c;//angles opposite of same named sides.
-
- //get angle C A B
- 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);
- a = (c/1) * (theta_b + theta_offset);
-
- x3b=sin(theta_a) * b;
- y3b=cos(theta_a) * b;
- x3a=sin(theta_a) * a;
- y3a=cos(theta_a) * a;
- printf("x: %d %d\nx: %d %d\n",x3a,y3a,x3b,y3b);
-}
-
-int get_2D_intersection_Y(x,y,d,x,z,d) {
- int x3a,y3a,x3b,y3b;
- int a,b,c;//lenght of sides.
- int theta_a,theta_b,theta_c;//angles opposite of same named sides.
-
- //get angle from A to B.
- x1,y1,x2,y2
-
- if(d1==d2) return global.math_error=1;
- c=dist(x1,y1,x2,y2);
- b = (c/1) * theta_a;
- a = (c/1) * theta_b;
-
- x3b=sin(a) * b;
- y3b=cos(a) * b;
- x3a=sin(a) * a;
- y3a=cos(a) * a;
- printf("y: %d %d\ny: %d %d\n",x3a,y3a,x3b,y3b);
-}
-*/
-
-void draw_cs_line(cs_t p1,cs_t p2) {
-  XDrawLine(global.dpy,global.backbuffer,global.backgc,p1.x,p1.y,p2.x,p2.y);
-}
-
-void draw_c2_line(c2_t p1,c2_t p2) {
-  draw_cs_line(c2_to_cs(p1),c2_to_cs(p2));
-}
-
-#define MAGIC(x) (1.0l-(1.0l/powl(1.01l,(x)))) //??? might want to have some changables in here
-
-real magic(real x) {
-  return MAGIC(x);
-}
-
-void draw_graph(real (*fun)(real x)) {
- c2_t pa;
- draw_c2_line((c2_t){LEFT,0},(c2_t){RIGHT,0});
- draw_c2_line((c2_t){0,TOP},(c2_t){0,BOTTOM});
- for(pa.x=LEFT;pa.x<RIGHT;pa.x+=5.0) {
-  draw_c2_line((c2_t){pa.x,2.0},(c2_t){pa.x,-2.0});
- }
- for(pa.y=BOTTOM;pa.y<TOP;pa.y+=5.0) {
-  draw_c2_line((c2_t){-2.0,pa.y},(c2_t){2.0,pa.y});
- }
- for(pa.x=LEFT;pa.x<RIGHT;pa.x+=1.0) {
-  draw_c2_line((c2_t){pa.x,fun(pa.x)},(c2_t){pa.x+1.0,fun(pa.x+1.0)});
- }
-}
-
-c2_t rotate_c2(c2_t p1,c2_t p2,real dr) {
-  c2_t p3;
-  real d=distance2(p1,p2);
-  real r=points_to_angle(p1,p2);
-  r=r+dr;
-  p3.x=(sinl(r) * d) + p2.x;
-  p3.y=(cosl(r) * d) + p2.y;
-  return p3;
-}
-
-c3_t rotate_c3_xr(c3_t p1,c3_t p2,real xr) {//rotate y and z around camera based on xr (looking up and down)
-  c2_t tmp;
-  tmp=rotate_c2((c2_t){p1.y,p1.z},(c2_t){p2.y,p2.z},xr);
-  return (c3_t){p1.x,tmp.x,tmp.y};
-}
-c3_t rotate_c3_yr(c3_t p1,c3_t p2,real yr) {//rotate x and z around camera based on yr (looking left and right)
-  c2_t tmp;
-  tmp=rotate_c2((c2_t){p1.x,p1.z},(c2_t){p2.x,p2.z},yr);
-  return (c3_t){tmp.x,p1.y,tmp.y};
-}
-c3_t rotate_c3_zr(c3_t p1,c3_t p2,real zr) {//rotate x and y around camera based on zr (cocking your head to a side)
-  c2_t tmp;
-  tmp=rotate_c2((c2_t){p1.x,p1.y},(c2_t){p2.x,p2.y},zr);
-  return (c3_t){tmp.x,tmp.y,p1.z};
-}
-
-void rotate_shape_yr(struct c3_shape *s) {//changes input value!
- int i=0;
- for(i=0;i<s->len+(s->len==1);i++) s->p[0]=rotate_c3_yr(s->p[0],camera.p,camera.yr);
-}
-
-c2_t c3_to_c2(c3_t p3) { //DO NOT DRAW STUFF IN HERE
-  c2_t p2;
-//  c3_t tmp1;
-//  c3_t tmp2;
-//  c3_t tmp3;
-  c3_t final;
-//these rotations need to be about the previous axis after the axis itself has been rotated.
-//  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.
-//  tmp2=rotate_c3_xr(tmp1,camera.p,d2r(camera.xr));
-//  final=rotate_c3_zr(tmp2,camera.p,d2r(camera.zr));
-  real delta_x=(camera.p.x - final.x);
-  real delta_y=(camera.p.y - final.y);
-  real delta_z=(camera.p.z - final.z);
-//  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);
-  return p2;
-}
-
-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(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});
-  draw_c2_line((c2_t){p1.x*global.mmz,p1.z*global.mmz},(c2_t){p2.x*global.mmz,p2.z*global.mmz});
- }
- if(global.drawminimap == 2) {//map rotates.
-  c3_t t1=rotate_c3_yr(p1,camera.p,d2r(camera.yr));
-  c3_t t2=rotate_c3_yr(p2,camera.p,d2r(camera.yr));
-  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) {
- return c2_to_cs(c3_to_c2(p));
-}
-
-real shitdist2(c3_t p1,c3_t p2) {
- return sqrtl(((p1.x - p2.x) * (p1.x - p2.x)) +
-        ((p1.y - p2.y) * (p1.y - p2.y)) +
-        ((p1.z - p2.z) * (p1.z - p2.z)));
-}
-
-real shitdist(struct c3_shape s,c3_t p) {
-// apply rotation then find distance?
- int i;
- struct c3_shape s_;
- real total;
- s_=s;
- rotate_shape_yr(&s_);
- for(i=0;i<s_.len+(s_.len==1);i++) {
-  total+=shitdist2(s_.p[i],camera.p);
- }
- return (total) / (real)(s_.len+(s_.len==1));
-}
-
-
-void HatchLines(c2_t p1,c2_t p2,c2_t p3,int density) {
- real i=0;
- for(i=1;i<density;i=i+1) {//only need 1/2, not 0/2 and 2/2, those are edges of the triangle.
-  draw_c2_line(
-   (c2_t){((i*p1.x)+((density-i)*p3.x))/density,
-          ((i*p1.y)+((density-i)*p3.y))/density},
-   (c2_t){((i*p2.x)+((density-i)*p3.x))/density,
-          ((i*p2.y)+((density-i)*p3.y))/density}
-  );
- }
-}
-
-/*void DrawHatchedTriangle(struct c3_triangle t,int d) {
- c2_t p1,p2,p3;
- p1=c3_to_c2(t.p1);
- p2=c3_to_c2(t.p2);
- p3=c3_to_c2(t.p3);
- HatchLines(p1,p2,p3,d);
- HatchLines(p2,p3,p1,d);
- HatchLines(p1,p3,p2,d);
-}*/
-
-//^ subdivision algorithm for display purposes only.
-//black out the rest of the triangle first?
-//sounds alright to me...
-
-void draw_cs_text(cs_t p,char *text) {
- char t[256];
- int direction,ascent,descent;
- XFontStruct *font=XLoadQueryFont(global.dpy,"fixed");
- XCharStruct overall;
- snprintf(t,sizeof(t)-1,"%s",text);
- XTextExtents(font,text,strlen(text),&direction,&ascent,&descent,&overall);
- XDrawString(global.dpy,global.backbuffer,global.backgc,p.x,p.y+(descent+ascent),text,strlen(text));
-}
-
-void draw_c2_text(c2_t p,char *text) {
- cs_t p2=c2_to_cs(p);
- draw_cs_text(p2,text);
-}
-
-void draw_c3_text(c3_t p,char *text) {
- cs_t p2=c3_to_cs(p);
- draw_cs_text(p2,text);
-}
-
-/*
-cs_t *c3s_to_css(c3_t *p3,int len) {
- cs_t *ps=malloc(sizeof(cs_t) * len);
- int i;
- for(i=0;i<len;i++) ps[i]=c3_to_cs(p3[i]);
- return ps;
-}*/
-
-void draw_c3_shape(struct c3_shape s) {
-// char line[1024];
- int i=0;
- int w,h;
- XPoint p[s.len+(s.len==1)];
- cs_t tmp;
- for(i=0;i<s.len+(s.len==1);i++) {
-  tmp=c3_to_cs(s.p[i]);
-  p[i]=(XPoint){tmp.x,tmp.y};
- }
- if(global.draw3d == 1) { // wireframe
-  switch(s.len) {
-   case 1:
-    w=max(p[0].x,p[1].x)-min(p[0].x,p[1].x);
-    h=max(p[0].y,p[1].y)-min(p[0].y,p[1].y);
-    p[0].x-=h;
-    p[0].y-=h;
-    XDrawArc(global.dpy,global.backbuffer,global.backgc,p[0].x,p[0].y,h*2,h*2,0,360*64);
-    break;
-   case 2:
-    XDrawLine(global.dpy,global.backbuffer,global.backgc,p[0].x,p[0].y,p[1].x,p[1].y);
-    break;
-   default:
-    for(i=0;i<s.len;i++) {
-     XDrawLines(global.dpy,global.backbuffer,global.backgc,p,s.len,CoordModeOrigin);
-    }
-    break;
-  }
- }
- if(global.draw3d == 2) { //draw it filled in
-  switch(s.len) {
-   case 1:
-    w=max(p[0].x,p[1].x)-min(p[0].x,p[1].x);
-    h=max(p[0].y,p[1].y)-min(p[0].y,p[1].y);
-    p[0].x-=h;
-    p[0].y-=h;
-    XFillArc(global.dpy,global.backbuffer,global.backgc,p[0].x,p[0].y,h*2,h*2,0,360*64);
-    break;
-   case 2:
-    XDrawLine(global.dpy,global.backbuffer,global.backgc,p[0].x,p[0].y,p[1].x,p[1].y);
-    break;
-   default:
-    XFillPolygon(global.dpy,global.backbuffer,global.backgc,p,s.len,Convex,CoordModeOrigin);
-    break;
-  }
- }
-// if(global.draw3d == 3) { //hashed
-//  XSetForeground(global.dpy, global.backgc, global.colors[0].pixel);
-  //XDrawFilledShape(c3_to_cs(t.p1),c3_to_cs(t.p2),c3_to_cs(t.p3));//clear out this triangle.
-//  XSetForeground(global.dpy, global.backgc, global.green.pixel);
-  //upgrade me! DrawHatchedTriangle(t,10 - (shitdist(t,camera.p) / 10));//how to get density?
-// }
-/* if(global.debug) {
-  snprintf(line,sizeof(line)-1,"(%Lf,%Lf,%Lf)",t.p1.x,t.p1.y,t.p1.z);
-  draw_c3_text(t.p1,line);
-  snprintf(line,sizeof(line)-1,"(%Lf,%Lf,%Lf)",t.p2.x,t.p2.y,t.p2.z);
-  draw_c3_text(t.p2,line);
-  snprintf(line,sizeof(line)-1,"(%Lf,%Lf,%Lf)",t.p3.x,t.p3.y,t.p3.z);
-  draw_c3_text(t.p3,line);
-*/
-// }
-}
-
-typedef struct {
- struct c3_shape *s;
- real d;
-} zsort_t;
-
-int compar(zsort_t *a,zsort_t *b) {
- 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;
-  int colori=100;
-  int cn=0;//camera number.
-  XFontStruct *font=XLoadQueryFont(global.dpy,"fixed");
-  XCharStruct overall;
-  int direction,ascent,descent;
-  char coords[256];
-  XGCValues gcval;
-  zsort_t zs[SHAPES];
-  XCopyArea(global.dpy,global.cleanbackbuffer,global.backbuffer,gc,0,0,global.width,global.height,0,0);//clear the backbuffer.
-//  XCopyPlane(global.dpy,global.cleanbackbuffer,global.backbuffer,gc,0,0,global.width,global.height,0,0,1);//clear the backbuffer.
-
-  XRectangle cliprect;
-  cliprect.x=0;
-  cliprect.y=0;
-  cliprect.width=global.width/global.split_screen;
-  cliprect.height=global.height;
-
-  real oldx=camera.p.x;
-  real oldz=camera.p.z;
-  if(global.split_screen > 1) {
-   camera.p.z-=(global.split_flip)*((global.split/global.split_screen)*cosl(d2r(camera.yr+180)));
-   camera.p.x-=(global.split_flip)*((global.split/global.split_screen)*sinl(d2r(camera.yr+180)));
-  }
-  for(cn=0;cn<global.split_screen;cn++) {
-    if(global.red_and_blue) {
-     //set color for left half to red and right half to blue
-     //and draw mode for the gc to GXOr
-     global.xoff=0;
-     gcval.function=GXor;
-     XChangeGC(global.dpy,global.backgc,GCFunction,&gcval);
-    } else {
-     global.xoff=(global.width/global.split_screen)*cn;
-    }
-    if(!global.red_and_blue) XSetClipRectangles(global.dpy,global.backgc,global.xoff,0,&cliprect,1,Unsorted);
-    //if(global.drawminimap == 3) { draw_graph(magic); continue; }
-    if(global.drawsky) {
-     XCopyArea(global.dpy,skypixmap,global.backbuffer,global.backgc,((camera.yr*5)+SKYW)%SKYW,0,WIDTH,global.height/2,0,0);
-    }
-    if(global.draw3d) {
-//      draw_c2_line((c2_t){LEFT,0},(c2_t){RIGHT,0}); //horizon
-    }
-    if(time(0) == oldtime) {
-     fps++;
-    }
-    else {
-     oldtime=time(0);
-     oldfps=fps;
-     fps=0;
-    }
-    //XSetForeground(global.dpy, global.backgc, global.green.pixel);
-    if(global.debug) {
-      snprintf(coords,sizeof(coords)-1,"debug: %s minimap: %d 3d: %d fps: %d shapes: %d",global.debug?"on":"off",global.drawminimap,global.draw3d,oldfps,global.shapes);
-      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));
-      snprintf(coords,sizeof(coords)-1,"x: %d y: %d",global.mousex,global.mousey);
-      XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall);
-      XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*2,coords,strlen(coords));
-      snprintf(coords,sizeof(coords)-1,"cx: %Lf cy: %Lf cz: %Lf",camera.p.x,camera.p.y,camera.p.z);
-      XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall);
-      XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*3,coords,strlen(coords));
-      snprintf(coords,sizeof(coords)-1,"xr: %d yr: %d zr: %d",camera.xr,camera.yr,camera.zr);
-      XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall);
-      XDrawString(global.dpy,global.backbuffer,global.backgc,global.xoff,global.height/2+(descent+0+ascent)*4,coords,strlen(coords));
-    }
-
-//  if(global.drawminimap) {//this isn't even useful I guess.
-   //cx1=(sinl(d2r(camera.yr+270))*7l);
-   //cy1=(cosl(d2r(camera.yr+270))*7l);
-   //cx2=(sinl(d2r(camera.yr+90))*7l);
-   //cy2=(cosl(d2r(camera.yr+90))*7l);
-//   draw_c2_line((c2_t){0,0},(c2_t){10,10});
-//   draw_c2_line((c2_t){0,0},(c2_t){-10,10});
-//   draw_c2_line((c2_t){10,10},(c2_t){-10,10});
-//  }
-
-/* cube
-   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});
-   draw_c3_line((c3_t){-3,0,-3},(c3_t){3,0,-3});
-
-   draw_c3_line((c3_t){3,6,3},(c3_t){3,6,-3});
-   draw_c3_line((c3_t){3,6,3},(c3_t){-3,6,3});
-   draw_c3_line((c3_t){3,6,3},(c3_t){3,0,3});
-
-   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});
-
-   draw_c3_line((c3_t){-3,6,-3},(c3_t){-3,6,3});
-   draw_c3_line((c3_t){-3,6,-3},(c3_t){3,6,-3});
-
-   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) {
-     //draw_c3_triangle((struct c3_triangle){"id",(c3_t){i,0,j},(c3_t){i,0,j+3},(c3_t){i+3,0,j}});
-     draw_c3_line((c3_t){i,0,j},(c3_t){i,0,j+3});
-     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.shape[i];i++) {
-    zs[i].s=global.shape[i];
-    //rotate_shape(zs[i].s);
-   }
-   //
-   if(1) {//global.zsort) {
-    for(i=0;global.shape[i];i++) {
-     zs[i].d=shitdist(*(zs[i].s),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].s) {
-    strcpy(global.selected_object,zs[0].s->id);
-   }
-   for(i=0;global.shape[i];i++) {
-    //now we pick the color of this triangle!
-    if(global.red_and_blue) {
-     if(cn==0) {
-      XSetForeground(global.dpy,global.backgc,global.red.pixel);
-     } else {
-      XSetForeground(global.dpy,global.backgc,global.blue.pixel);
-     }
-//tests of blending grayscale with red and blue
-//     draw_c3_triangle(*(zs[i].t));
-    } else {
-     if(!strcmp(global.selected_object,zs[i].s->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;
-        }
-       }
-       colori=(int)(zs[i].d)%100;
-       XSetForeground(global.dpy,global.backgc,global.colors[(int)(100.0-(colori))].pixel);//picking the color here only works if...
-      }
-     }
-    }
-    draw_c3_shape(*(zs[i].s));
-   }
-   XSetForeground(global.dpy, global.backgc, global.green.pixel);
-   if(global.debug) {
-    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)));
-
-
-  }
-
-//TODO: figure out what all this shit is and either update or remove.
-//DONT USE WIDTH for shit.
-/*
-  x1=nextX(WIDTH/2,HEIGHT/2,d2r(camera.yr),40);
-  y1=nextY(WIDTH/2,HEIGHT/2,d2r(camera.yr),40);
-  x2=nextX(WIDTH/2,HEIGHT/2,d2r(camera.yr+180),80);
-  y2=nextY(WIDTH/2,HEIGHT/2,d2r(camera.yr+180),80);
-  XDrawLine(global.dpy,w,gc,WIDTH/2,HEIGHT/2,x1,y1);
-  XDrawLine(global.dpy,w,gc,WIDTH/2,HEIGHT/2,x2,y2);
-
-  XDrawLine(global.dpy,w,gc,0,HEIGHT/2,WIDTH,HEIGHT/2);
-
-  x1=global.mousex;
-  y1=global.mousey;
-  real a=points_to_angle((c2_t){0,0},cs_to_c2((cs_t){x1,y1}));
-
-  snprintf(coords,sizeof(coords)-1,"%llf",a);
-  XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall);
-  XDrawString(global.dpy,w,gc,global.xoff,(descent+0+ascent)*6,coords,strlen(coords));
-  snprintf(coords,sizeof(coords)-1,"%llf",points_to_angle(cs_to_c2((cs_t){global.mousex,global.mousey}),(c2_t){0,0})+(M_PIl/2));
-  XTextExtents(font,coords,strlen(coords),&direction,&ascent,&descent,&overall);
-  XDrawString(global.dpy,w,gc,global.xoff,(descent+0+ascent)*7,coords,strlen(coords));
-  XDrawLine(global.dpy,w,gc,global.mousex,global.mousey,global.width/2,global.height/2);
-
-  real c=cosl(d2r(camera.yr) - a) * distance((c2_t){x1,y1},(c2_t){WIDTH/2,HEIGHT/2});
-  x2=nextX(x1,y1,d2r(camera.yr-90),c);
-  y2=nextY(x1,y1,d2r(camera.yr-90),c);
-  XDrawLine(global.dpy,w,gc,x1,y1,x2,y2);
-*/
-  camera.p.x = oldx;
-  camera.p.z = oldz; //-= cn*CAMERA_SEPARATION;
-//  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
-}
-
-/* does not return the newline. */
-char *read_line_hack(FILE *fp,int len) {
- short in;
- char *t;
- switch(in=fgetc(fp)) {
-  case '\n':
-   t=malloc(len+1);
-   t[len]=0;
-   return t;
-  case -1:
-   return 0;
-  default:
-   if((t=read_line_hack(fp,len+1))) t[len]=in;
-   break;
- }
- return t;
-}
-
-//warning: clobbers input
-//skips leading and trailing space.
-//compresses multiple spaces to one.
-//return length of array
-char **line_splitter(char *line,int *rlen) {
- char **a;
- int len,i=0;
- len=1;//we're just counting how much we'll need the first loop through.
- for(i=0;line[i] && line[i] == ' ';i++);//skip leading space
- for(;line[i];len++) {
-  for(;line[i] && line[i] != ' ';i++);//skip rest of data
-  for(;line[i] && line[i] == ' ';i++);//skip rest of space
- }
- a=malloc(sizeof(char *) * len+1);
- a[len]=0;
- len=0;//reuse!
- for(i=0;line[i] && line[i] == ' ';i++);//skip leading space
- a[len]=line+i;
- for(;;) {
-  for(;line[i] && line[i] != ' ';i++);//skip rest of data
-  if(!line[i]) break;
-  line[i++]=0;
-  for(;line[i] && line[i] == ' ';i++);//skip rest of space
-  if(!line[i]) break;
-  a[++len]=line+i;
- }
- a[++len]=0;
- *rlen=len;
- return a;
-}
-
-void set_aspect_ratio() {
- XSizeHints *hints=XAllocSizeHints();
- hints->min_aspect.x=4*(global.split_screen / (global.red_and_blue ? global.split_screen : 1));
- hints->min_aspect.y=3;
- hints->max_aspect.x=4*(global.split_screen / (global.red_and_blue ? global.split_screen : 1));
- hints->max_aspect.y=3;
- hints->flags=PAspect;
- XSetWMNormalHints(global.dpy,global.w,hints);
-}
-
-int load_stdin() {
- struct c3_shape s;
-// struct c3_line l;
- char *command;
- char *line;
- char *id;
- char **a;
- int len;
- int ret=0;
- 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.
- int i;//used to store the last triangle. even though I have a global for that. >_>
-
-// printf("# entering load_stdin()\n");
- for(i=0;global.shape[i];i++) ;//hop to the end.
- fcntl(0,F_SETFL,O_NONBLOCK);
- if(feof(stdin))  {
-  clearerr(stdin);
- }
- // readfs=master;
- // timeout.tv_sec=0;
- // timeout.tv_usec=1;
- // if((j=select(1,&readfs,0,0,&timeout)) == -1) {
- //  perror("select");
- //  return 0;
- // }
- // if(FD_ISSET(0,&readfs)) {
- 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);
-  a=line_splitter(line,&len);
-  if(len > 1) {
-   id=a[0];
-   command=a[1];
-  } else {
-   printf("Ohhhh. shit.\n");
-   return 0;
-  }
-  ret=1;
-  if(!strcmp(command,"deleteallexcept")) {
-   for(j=0;global.shape[j];j++) {//mark first. compress later.
-    if(strcmp(global.shape[j]->id,a[2])) {//TODO: memory leak!
-     //free(global.triangle[j]->id);
-     //free(global.triangle[j]);
-     global.shape[j]=0;
-    }
-   }
-   l=0;
-   for(k=0;k<j;k++) {
-    while(global.shape[l] == 0 && l < j) l++;
-    global.shape[k]=global.shape[l];
-   }
-   continue;
-  }
-  if(!strcmp(command,"deletegroup")) {
-   for(j=0;global.shape[j];j++) {//mark first. compress later.
-    if(!strcmp(global.shape[j]->id,s.id)) {//??? where is s.id supposed to be set from?
-     free(global.shape[j]->id);
-     free(global.shape[j]);
-     global.shape[j]=0;
-    }
-   }
-   l=0;
-   for(k=0;k<j;k++) {
-    while(global.shape[l] == 0 && l < j) l++;
-    global.shape[k]=global.shape[l];
-   }
-   continue;
-  }
-  if(!strcmp(command,"assimilate")) {
-   if(len == 3) {
-    for(j=0;global.shape[j];j++) {
-     if(!strcmp(global.shape[j]->id,a[2])) {
-      free(global.shape[j]->id);
-      global.shape[j]->id=strdup(id);
-     }
-    }
-   }
-   continue;
-  }
-  if(!strcmp(command,"renamegroup")) {
-   if(len == 4) {
-    for(j=0;global.shape[j];j++) {
-     if(!strcmp(global.shape[j]->id,a[2])) {
-      free(global.shape[j]->id);
-      global.shape[j]->id=strdup(a[3]);
-     }
-    }
-   }
-   continue;
-  }
-  if(!strcmp(command,"export")) {
-   for(j=0;global.shape[j];j++) {
-    if(!strcmp(global.shape[j]->id,a[2])) {
-//     to=global.shape[j];
-//     printf("%s addshape %Lf %Lf %Lf %Lf %Lf %Lf %Lf %Lf %Lf\n",a[2],
-//            to->p1.x,to->p1.y,to->p1.z,
-//            to->p2.x,to->p2.y,to->p2.z,
-//            to->p3.x,to->p3.y,to->p3.z
-//           );
-    }
-   }
-   continue;
-  }
-  if(!strcmp(command,"dump")) {
-   printf("%s set camera.p.x %Lf\n",global.user,camera.p.x);
-   printf("%s set camera.p.y %Lf\n",global.user,camera.p.y);
-   printf("%s set camera.p.z %Lf\n",global.user,camera.p.z);
-   printf("%s set camera.xr %d\n",global.user,camera.xr);
-   printf("%s set camera.yr %d\n",global.user,camera.yr);
-   printf("%s set camera.zr %d\n",global.user,camera.zr);
-   printf("%s set camera.zoom %Lf\n",global.user,camera.zoom);
-   continue;
-  }
-  if(!strcmp(command,"quit")) {
-   return -1;
-  }
-  if(!strcmp(command,"set")) { //set variable //TODO: add more things to this.
-   if(len != 3 && len != 4) continue;
-   if(len == 4) {
-    if(!strcmp(a[2],"camera.p.x")) camera.p.x=strtold(a[3],0);
-    else if(!strcmp(a[2],"camera.p.y")) camera.p.y=strtold(a[3],0);
-    else if(!strcmp(a[2],"camera.p.z")) camera.p.z=strtold(a[3],0);
-    else if(!strcmp(a[2],"camera.zoom")) camera.zoom=strtold(a[3],0);
-    else if(!strcmp(a[2],"camera.xr")) camera.xr=atoi(a[3]);
-    else if(!strcmp(a[2],"camera.yr")) camera.yr=atoi(a[3]);
-    else if(!strcmp(a[2],"camera.zr")) camera.zr=atoi(a[3]);
-    else printf("# unknown variable: %s\n",a[2]);
-    continue;
-   }
-   if(!strcmp(a[2],"force_redraw")) global.force_redraw^=1;
-   else if(!strcmp(a[2],"red_and_blue")) { global.red_and_blue^=1; set_aspect_ratio(); }
-   else { printf("# unknown variable: %s\n",a[2]); continue; }
-   printf("# %s toggled!\n",a[2]);
-   continue;
-  }
-  if(!strcmp(command,"addshape")) {
-   if(len > 3) {
-    global.shape[i]=malloc(sizeof(struct c3_shape));
-    global.shape[i]->id=strdup(id);
-    global.shape[i]->len=strtold(a[2],0);
-    for(j=0;j < global.shape[i]->len+(global.shape[i]->len==1);j++) {
-     global.shape[i]->p[j].x=strtold(a[(j*3)+3],0);//second arg is just for a return value. set to 0 if you don't want it.
-     global.shape[i]->p[j].y=strtold(a[(j*3)+4],0);
-     global.shape[i]->p[j].z=strtold(a[(j*3)+5],0);
-    }
-    i++;
-    global.shapes=i;
-    global.shape[i]=0;
-   } else {
-    printf("# ERROR: wrong amount of parts for addshape. got: %d expected: 11\n",len);
-   }
-   continue;
-  }
-  if(!strcmp(command,"scaleup")) {//should this scale separately so it can be a deform too?
-   for(i=0;global.shape[i];i++) {
-    if(!strcmp(global.shape[i]->id,id)) {
-     for(j=0;j < global.shape[i]->len+(global.shape[i]->len==1);j++) {
-      global.shape[i]->p[j].x*=strtold(a[2],0);
-      global.shape[i]->p[j].y*=strtold(a[2],0);
-      global.shape[i]->p[j].z*=strtold(a[2],0);
-     }
-    }
-   }
-   continue;
-    //return ret;
-  }
-  if(!strcmp(command,"move")) {
-   if(len > 4) {
-    for(i=0;global.shape[i];i++) {
-     if(!strcmp(global.shape[i]->id,id)) {
-      for(j=0;j < global.shape[i]->len+(global.shape[i]->len==1);j++) {
-       global.shape[i]->p[j].x+=strtold(a[2],0);
-       global.shape[i]->p[j].y+=strtold(a[3],0);
-       global.shape[i]->p[j].z+=strtold(a[4],0);
-      }
-     }
-    }
-   }
-   else {
-    printf("# ERROR: wrong amount of parts for move. got: %d expected: 11\n",len);
-   }
-   continue;
-   //return ret;
-  }
-  printf("# I don't know what command you're talking about. %s\n",command);
-/*   if(!strcmp(command,"rotate")) {
-     for(i=0;global.shape[i];i++) {
-      global.shape[i]->p1=rotate_c3_about()
-      global.shape[i]->p2=
-      global.shape[i]->p3=
-     }
-*/
-  free(line);
-  if(a) free(a);
- }
- return ret;
-}
-
-int export_file(FILE *fp) {//not used yet. maybe export in obj optionally? no. that should be an external program
-// struct c3_shape *to;
-// int i;
-// for(i=0;global.shape[i];i++) {
-//  to=global.shape[i];
-//  printf("%s addshape %Lf %Lf %Lf %Lf %Lf %Lf %Lf %Lf %Lf\n",to->id,to->p1.x,to->p1.y,to->p1.z,to->p2.x,to->p2.y,to->p2.z,to->p3.x,to->p3.y,to->p3.z);
-// }
- return 0;
-}
-
-//push a string back into stdin so it can be read by the file loader. :P
-int selfcommand(char *s) {
- char t;
- if(!strlen(s)) return 0;
- ungetc(s[strlen(s)-1],stdin);
- t=s[strlen(s)-1];
- s[strlen(s)-1]=0;
- selfcommand(s);
- putchar(t);
- return 0;
-}
-
-int keypress_handler(int sym) {
-  char line[1024];
-  real tmpx;
-//  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));
-    camera.p.x+=tmpx;
-    camera.p.z+=tmpz;
-    snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
-    selfcommand(line);
-    break;
-   case XK_Down:
-    tmpx=WALK_SPEED*sinl(d2r(camera.yr+270));
-    tmpz=WALK_SPEED*cosl(d2r(camera.yr+270));
-    camera.p.x+=tmpx;
-    camera.p.z+=tmpz;
-    snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
-    selfcommand(line);
-    break;
-   case XK_Left:
-    tmpx=WALK_SPEED*sinl(d2r(camera.yr));
-    tmpz=WALK_SPEED*cosl(d2r(camera.yr));
-    camera.p.x+=tmpx;
-    camera.p.z+=tmpz;
-    snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
-    selfcommand(line);
-    break;
-   case XK_Right:
-    tmpx=WALK_SPEED*sinl(d2r(camera.yr+180));
-    tmpz=WALK_SPEED*cosl(d2r(camera.yr+180));
-    camera.p.x+=tmpx;
-    camera.p.z+=tmpz;
-    snprintf(line,sizeof(line)-1,"%s move %Lf 0 %Lf 0 0 0 0 0 0\n",global.user,tmpx,tmpz);
-    selfcommand(line);
-    break;
-   case XK_w:
-    camera.p.y+=1;
-    snprintf(line,sizeof(line)-1,"%s move 0 1 0 0 0 0 0 0 0\n",global.user);
-    selfcommand(line);
-    break;
-   case XK_s:
-    camera.p.y-=1;
-    snprintf(line,sizeof(line)-1,"%s move 0 -1 0 0 0 0 0 0 0\n",global.user);
-    selfcommand(line);
-    break;
-   case XK_r:
-    camera.xr+=5;
-    while(camera.xr > 360) camera.xr-=360;
-    break;
-   case XK_y:
-    camera.xr-=5;
-    while(camera.xr < 0) camera.xr+=360;
-    break;
-   case XK_q:
-    camera.yr+=5;
-    while(camera.yr > 360) camera.yr-=360;
-    break;
-   case XK_e:
-    camera.yr-=5;
-    while(camera.yr < 0) camera.yr+=360;
-    break;
-   case XK_u:
-    camera.zr+=5;
-    while(camera.zr > 360) camera.zr-=360;
-    break;
-   case XK_o:
-    camera.zr-=5;
-    while(camera.zr < 0) camera.zr+=360;
-    break;
-   case XK_z: camera.zoom+=1; break;
-   case XK_x: camera.zoom-=1; break;
-   case XK_c: global.mmz*=1.1; break;
-   case XK_v: global.mmz/=1.1; break;
-   case XK_h: global.split+=1; break;
-   case XK_j: global.split-=1; break;
-   case XK_d:
-    global.debug ^= 1;
-    break;
-   case XK_f:
-    global.derp ^= 1;
-    break;
-   case XK_m:
-    global.drawminimap += 1;
-    global.drawminimap %= 4;
-    break;
-   case XK_a:
-    global.drawsky ^= 1;
-    break;
-   case XK_3:
-    global.draw3d += 1;
-    global.draw3d %= 4;
-    break;
-   case XK_Escape:
-    return -1;
-   default:
-    return 0;
-    break;
- }
- return 1;
-}
-
-
-int main(int argc,char *argv[]) {
-  Cursor cursor;
-  XEvent e;
-  XSetWindowAttributes attributes;
-  Window root,child;//why do I have this?
-//  XColor toss;
-  int i,j;
-  char tmp[64];
-  unsigned int mask;
-  char redraw=0;
-  if(argc < 2) {
-   fprintf(stderr,"usage: hackvr yourname < from_others > to_others\n");
-   return 1;
-  } else {
-   global.user=strdup(argv[1]);
-  }
-  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);
-  global.split_screen=SPLIT_SCREEN;
-  global.split_flip=-1;
-  global.split=5;
-  global.root_window=0;
-  global.red_and_blue=RED_AND_BLUE;
-  //global.colors[0]=BlackPixel(global.dpy,DefaultScreen(global.dpy));
-//  int whiteColor = //WhitePixel(global.dpy, DefaultScreen(global.dpy));
-  attributes.background_pixel=global.colors[0].pixel;
-  if(global.root_window) {
-   global.w = DefaultRootWindow(global.dpy); //this is still buggy.
-  } else {
-   global.w = XCreateWindow(global.dpy,DefaultRootWindow(global.dpy),0,0,WIDTH*(global.split_screen / (global.red_and_blue ? global.split_screen : 1)),HEIGHT,1,DefaultDepth(global.dpy,DefaultScreen(global.dpy)),InputOutput,DefaultVisual(global.dpy,DefaultScreen(global.dpy))\
-                    ,CWBackPixel, &attributes);
-   set_aspect_ratio();
-   XSelectInput(global.dpy, global.w, PointerMotionMask|StructureNotifyMask|ButtonPressMask|ButtonReleaseMask|KeyPressMask|ExposureMask);
-  }
-  XMapWindow(global.dpy, global.w);
-  XStoreName(global.dpy,global.w,"hackvr");
-  global.greyscale=1;
-  global.zsort=1;
-  global.shape[0]=0;//we'll allocate as we need more.
-  global.gc=XCreateGC(global.dpy, global.w, 0, 0);
-
-  if(global.red_and_blue) {
-   global.width=WIDTH;
-  } else {
-   global.width=WIDTH*global.split_screen;
-  }
-  global.height=HEIGHT;
-
-  global.backbuffer=XCreatePixmap(global.dpy,global.w,global.width,global.height,DefaultDepth(global.dpy,DefaultScreen(global.dpy)));
-  global.cleanbackbuffer=XCreatePixmap(global.dpy,global.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, global.w, cursor);
-
-  XAllocNamedColor(global.dpy, global.color_map, "green", &global.green, &global.green);
-  XAllocNamedColor(global.dpy, global.color_map, "red", &global.red, &global.red);
-  XAllocNamedColor(global.dpy, global.color_map, "blue", &global.blue, &global.blue);
-  XAllocNamedColor(global.dpy, global.color_map, "red", &global.redblue[0], &global.redblue[0]);
-  XAllocNamedColor(global.dpy, global.color_map, "blue", &global.redblue[1], &global.redblue[1]);
-  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,global.w,SKYW,SKYH,DefaultDepth(global.dpy,DefaultScreen(global.dpy)));
-  for(i=0;i<SKYH;i++) {
-   for(j=0;j<SKYW;j++) {
-    if(i==0) sky[i][j]=rand()%2;
-    else {
-     sky[i][j]=(SKYRULE >> ((!!sky[i-1][(j+(SKYW)-1)%(SKYW)]<<2) | (!!sky[i-1][j]<<1) | (!!sky[i-1][j+1%(SKYW)])) & 1);
-     if(sky[i][j]) {
-      XDrawPoint(global.dpy,skypixmap,global.backgc,j,i);
-     }
-    }
-   }
-  }
-  printf("done.\n");
-
-  global.mapxoff=global.width/2;
-  global.mapyoff=global.height/2;
-  global.drawminimap=0;
-  global.draw3d=1;
-  global.debug=0;
-  global.force_redraw=1;//use this for checking proper fps I guess.
-  camera.zoom=30.0l;
-  camera.xr=270;
-  camera.yr=270;
-  camera.zr=0;
-  global.mmz=1;
-  camera.p.x=0;
-  camera.p.z=6;
-  camera.p.y=5;
-  printf("# entering main loop\n");
-  for(;;) {
-    redraw=global.force_redraw;
-    while(XPending(global.dpy)) {//these are taking too long?
-     XNextEvent(global.dpy, &e);
-//     printf("# handling event with type: %d\n",e.type);
-     switch(e.type) {
-//       case Expose:
-//         if(e.xexpose.count == 0) redraw=1;
-//         break;
-       case MotionNotify:
-         redraw=1;
-         XQueryPointer(global.dpy,global.w,&root,&child,&global.rmousex,&global.rmousey,&global.mousex,&global.mousey,&mask);
-         break;
-       case ButtonPress:
-         redraw=1;
-         global.buttonpressed=e.xbutton.button;
-         break;
-       case ButtonRelease:
-         redraw=1;
-         global.buttonpressed=0;
-         break;
-       case ConfigureNotify:
-         redraw=1;
-         XGetGeometry(global.dpy,global.w,&root,&global.x,&global.y,&global.width,&global.height,&global.border_width,&global.depth);
-         if(global.width / (global.split_screen / (global.red_and_blue ? global.split_screen : 1 )) / 4 * 3 != global.height) {
-          if(global.height * 3 / 4 == global.height) {
-           printf("math doesn't work.\n");
-          }
-          printf("# DERPY WM CANT TAKE A HINT %d / %d / 4 * 3 = %d != %d\n",global.width,global.split_screen,global.width /global.split_screen /4 * 3,global.height);
-          if(global.width / (global.split_screen / (global.red_and_blue ? global.split_screen : 1)) / 4 * 3 < global.height) {
-           global.height=global.width / (global.split_screen / (global.red_and_blue ? global.split_screen : 1)) / 4 * 3;
-          } else {
-           global.width=global.height * 3 / 4 * (global.split_screen / (global.red_and_blue ? global.split_screen : 1));
-          }
-         }
-         global.mapxoff=global.width/(global.split_screen / (global.red_and_blue ? global.split_screen : 1))/2;
-         global.mapyoff=global.height/2;
-         break;
-       case KeyPress:
-         redraw=1;
-         if(keypress_handler(XLookupKeysym(&e.xkey,0)) == -1) {
-          printf("# exiting\n");
-          return 0;
-         }
-         break;
-       default:
-         //printf("# received event with type: %d\n",e.type);
-         break;
-     }
-    }
-    switch(load_stdin()) {
-     case -1:
-      return 0;
-      break;
-     case 0:
-      break;
-     default:
-      redraw=1;
-      break;
-    }
-    //camera.yr+=2;
-    if(redraw) {
-     draw_screen(global.dpy,global.w,global.gc);
-    }
-    //usleep(10000);
-  }
-  return 0;
-}
-- 
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